From 438906a123854564fd78cda7923dd8d8a6603e84 Mon Sep 17 00:00:00 2001
From: Naftuli Kay <me@naftuli.wtf>
Date: Tue, 18 Jun 2019 15:29:57 -0700
Subject: [PATCH 01/12] [WIP] Composite EC2 Plugin for Metadata

Tags also will be forthcoming, but in a different PR.
---
 src/facts.rs                      |  1 +
 src/facts/plugins.rs              |  1 +
 src/facts/plugins/ec2.rs          | 40 +++++++++++++++++++++++++++++++
 src/facts/plugins/ec2/metadata.rs | 30 +++++++++++++++++++++++
 4 files changed, 72 insertions(+)
 create mode 100644 src/facts/plugins/ec2.rs
 create mode 100644 src/facts/plugins/ec2/metadata.rs

diff --git a/src/facts.rs b/src/facts.rs
index cc60897..abf758c 100644
--- a/src/facts.rs
+++ b/src/facts.rs
@@ -53,6 +53,7 @@ impl Default for Facts {
 
         // install plugins
         f.register("basic", Box::new(plugins::basic::BasicPlugin::new()));
+        f.register("ec2", Box::new(plugins::ec2::Ec2Plugin::new()));
         f.register("env", Box::new(plugins::env::EnvPlugin::new()));
 
         f
diff --git a/src/facts/plugins.rs b/src/facts/plugins.rs
index a432e35..0db26c5 100644
--- a/src/facts/plugins.rs
+++ b/src/facts/plugins.rs
@@ -1,2 +1,3 @@
 pub mod basic;
+pub mod ec2;
 pub mod env;
diff --git a/src/facts/plugins/ec2.rs b/src/facts/plugins/ec2.rs
new file mode 100644
index 0000000..a9d4014
--- /dev/null
+++ b/src/facts/plugins/ec2.rs
@@ -0,0 +1,40 @@
+mod metadata;
+
+use crate::facts::FactPlugin;
+use crate::facts::FactSet;
+
+use serde_json::Value;
+
+use std::default::Default;
+
+use std::io;
+
+/// A fact plugin for EC2-related data.
+///
+/// This plugin will produce EC2 metadata and EC2 tag facts.
+pub struct Ec2Plugin;
+
+impl Ec2Plugin {
+    pub fn new() -> Self {
+        Self::default()
+    }
+}
+
+impl Default for Ec2Plugin {
+    fn default() -> Self {
+        Self
+    }
+}
+
+impl FactPlugin for Ec2Plugin {
+    fn discover(&self) -> Result<FactSet, io::Error> {
+        let mut r = FactSet::new();
+        let meta = metadata::Ec2MetadataPlugin::new();
+
+        // if ec2 metadata discovery fails, then we return that failure and ec2 facts are not
+        // returned
+        r.insert("metadata".to_string(), Value::Object(meta.discover()?));
+
+        Ok(r)
+    }
+}
diff --git a/src/facts/plugins/ec2/metadata.rs b/src/facts/plugins/ec2/metadata.rs
new file mode 100644
index 0000000..22bf5df
--- /dev/null
+++ b/src/facts/plugins/ec2/metadata.rs
@@ -0,0 +1,30 @@
+use crate::facts::FactPlugin;
+use crate::facts::FactSet;
+
+use std::default::Default;
+
+use std::io;
+
+/// An EC2 instance metadata fact plugin.
+///
+/// This plugin harvests all available facts present in the latest API revision of the EC2 metadata
+/// service.
+pub struct Ec2MetadataPlugin;
+
+impl Ec2MetadataPlugin {
+    pub fn new() -> Self {
+        Self::default()
+    }
+}
+
+impl Default for Ec2MetadataPlugin {
+    fn default() -> Self {
+        Self
+    }
+}
+
+impl FactPlugin for Ec2MetadataPlugin {
+    fn discover(&self) -> Result<FactSet, io::Error> {
+        Ok(FactSet::new())
+    }
+}

From 77660d7969bfa6e5771db6a74b933692adf57888 Mon Sep 17 00:00:00 2001
From: Naftuli Kay <me@naftuli.wtf>
Date: Wed, 19 Jun 2019 11:49:54 -0700
Subject: [PATCH 02/12] fix badge

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index dd5d0c3..e450cf2 100644
--- a/README.md
+++ b/README.md
@@ -84,7 +84,7 @@ Licensed at your discretion under either:
  - [MIT License](./LICENSE-MIT)
 
  [docker]: https://cloud.docker.com/repository/docker/naftulikay/jinjer
- [docker.svg]: https://img.shields.io/docker/build/naftulikay/jinjer.svg
+ [docker.svg]: https://img.shields.io/docker/cloud/build/naftulikay/jinjer.svg
  [tera]: https://tera.netlify.com/
  [travis]: https://travis-ci.org/naftulikay/jinjer
  [travis.svg]: https://travis-ci.org/naftulikay/jinjer.svg?branch=master

From f021f4a4af0b274e29b43c6b3644e099e7a6f52b Mon Sep 17 00:00:00 2001
From: Naftuli Kay <me@naftuli.wtf>
Date: Thu, 20 Jun 2019 15:45:00 -0700
Subject: [PATCH 03/12] demo request

---
 Cargo.lock                        | 1120 ++++++++++++++++++++++++++++-
 Cargo.toml                        |    4 +
 src/facts/plugins/ec2.rs          |    4 +
 src/facts/plugins/ec2/metadata.rs |   26 +
 4 files changed, 1142 insertions(+), 12 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index c0f007c..e594cff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,219 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+[[package]]
+name = "actix-codec"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "actix-connect"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "actix-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-service 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-utils 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-current-thread 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trust-dns-resolver 0.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "actix-http"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "actix-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-connect 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-server-config 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-service 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-threadpool 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-utils 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "brotli2 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "copyless 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "encoding 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.1.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashbrown 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "httparse 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_urlencoded 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trust-dns-resolver 0.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "actix-router"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
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+ "tokio-current-thread 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "actix-server"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "actix-rt 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-server-config 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-service 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-signal 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "actix-server-config"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "actix-service"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
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+ "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "threadpool 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
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+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
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+]
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+ "actix-http 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-router 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-rt 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-server 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-server-config 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-service 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-threadpool 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-utils 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-web-codegen 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "awc 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "encoding 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashbrown 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_urlencoded 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "actix-web-codegen"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.35 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "adler32"
 version = "1.0.3"
@@ -31,6 +245,14 @@ name = "arc-swap"
 version = "0.3.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "arrayvec"
+version = "0.4.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "atty"
 version = "0.2.11"
@@ -46,6 +268,57 @@ name = "autocfg"
 version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "awc"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "actix-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-http 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-service 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_urlencoded 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "backtrace"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace-sys 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-demangle 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "backtrace-sys"
+version = "0.1.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "base64"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "bitflags"
 version = "1.1.0"
@@ -70,6 +343,24 @@ dependencies = [
  "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "brotli-sys"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "brotli2"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "brotli-sys 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "bstr"
 version = "0.1.4"
@@ -93,6 +384,15 @@ name = "byteorder"
 version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "bytes"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "cc"
 version = "1.0.37"
@@ -135,6 +435,11 @@ dependencies = [
  "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "copyless"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "crc"
 version = "1.8.1"
@@ -151,6 +456,19 @@ dependencies = [
  "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "crossbeam"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-epoch 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "crossbeam-channel"
 version = "0.3.8"
@@ -160,6 +478,36 @@ dependencies = [
  "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "crossbeam-deque"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "crossbeam-epoch 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "crossbeam-queue"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.6.5"
@@ -169,6 +517,30 @@ dependencies = [
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "derive_more"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.35 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "derive_more"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.35 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "deunicode"
 version = "0.4.3"
@@ -187,6 +559,98 @@ name = "dtoa"
 version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "either"
+version = "1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "encoding"
+version = "0.2.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "encoding-index-japanese 1.20141219.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "encoding-index-korean 1.20141219.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "encoding-index-simpchinese 1.20141219.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "encoding-index-singlebyte 1.20141219.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "encoding-index-tradchinese 1.20141219.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "encoding-index-japanese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "encoding_index_tests 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "encoding-index-korean"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "encoding_index_tests 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "encoding-index-simpchinese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "encoding_index_tests 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "encoding-index-singlebyte"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "encoding_index_tests 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "encoding-index-tradchinese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "encoding_index_tests 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "encoding_index_tests"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "enum-as-inner"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.35 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "failure"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "backtrace 0.3.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "failure_derive"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "fake-simd"
 version = "0.1.2"
@@ -213,6 +677,25 @@ name = "fuchsia-cprng"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "fuchsia-zircon"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "fuchsia-zircon-sys"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "futures"
+version = "0.1.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "generic-array"
 version = "0.12.0"
@@ -242,6 +725,28 @@ dependencies = [
  "walkdir 2.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "h2"
+version = "0.1.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "heck"
 version = "0.3.1"
@@ -250,6 +755,30 @@ dependencies = [
  "unicode-segmentation 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "hostname"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winutil 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "http"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "httparse"
+version = "1.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "humansize"
 version = "1.1.0"
@@ -290,6 +819,31 @@ dependencies = [
  "winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "indexmap"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "iovec"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "ipconfig"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "socket2 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "widestring 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winreg 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "itoa"
 version = "0.4.4"
@@ -299,6 +853,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "jinjer"
 version = "0.1.0"
 dependencies = [
+ "actix-rt 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-web 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log4rs 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -309,6 +867,20 @@ dependencies = [
  "tera 1.0.0-beta.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "kernel32-sys"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "language-tags"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "lazy_static"
 version = "1.3.0"
@@ -324,6 +896,15 @@ name = "linked-hash-map"
 version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "lock_api"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "lock_api"
 version = "0.2.0"
@@ -370,6 +951,14 @@ dependencies = [
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "lru-cache"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "maplit"
 version = "1.0.1"
@@ -381,38 +970,104 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "memchr"
-version = "2.2.0"
+name = "memchr"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "memoffset"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "mime"
+version = "0.3.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unicase 2.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "miniz-sys"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "miniz_oxide"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "miniz_oxide_c_api"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crc 1.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miniz_oxide 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "mio"
+version = "0.6.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
-name = "miniz-sys"
-version = "0.1.12"
+name = "mio-uds"
+version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "miniz_oxide"
+name = "miow"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "miniz_oxide_c_api"
-version = "0.2.1"
+name = "net2"
+version = "0.2.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "crc 1.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz_oxide 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "nodrop"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "num-integer"
 version = "0.1.41"
@@ -456,6 +1111,23 @@ dependencies = [
  "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "owning_ref"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "parking_lot"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lock_api 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.8.0"
@@ -466,6 +1138,18 @@ dependencies = [
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "parking_lot_core"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "parking_lot_core"
 version = "0.5.0"
@@ -683,6 +1367,20 @@ dependencies = [
  "ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "resolv-conf"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "hostname 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rustc-demangle"
+version = "0.1.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "rustc_version"
 version = "0.2.3"
@@ -704,6 +1402,11 @@ dependencies = [
  "winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "scopeguard"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "scopeguard"
 version = "1.0.0"
@@ -759,6 +1462,17 @@ dependencies = [
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "serde_urlencoded"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "dtoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "serde_yaml"
 version = "0.8.9"
@@ -781,6 +1495,34 @@ dependencies = [
  "opaque-debug 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "signal-hook"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "signal-hook-registry 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "signal-hook-registry"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "arc-swap 0.3.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
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+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "slug"
 version = "0.1.4"
@@ -794,6 +1536,30 @@ name = "smallvec"
 version = "0.6.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "socket2"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.54 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
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+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
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+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "strsim"
 version = "0.8.0"
@@ -829,6 +1595,17 @@ dependencies = [
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "synstructure"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "tera"
 version = "1.0.0-beta.9"
@@ -885,6 +1662,14 @@ dependencies = [
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "threadpool"
+version = "1.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "time"
 version = "0.1.42"
@@ -895,11 +1680,172 @@ dependencies = [
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
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+ "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
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+[[package]]
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+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+ "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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+ "tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lru-cache 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "resolv-conf 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trust-dns-proto 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "typemap"
 version = "0.3.3"
@@ -967,6 +1913,14 @@ dependencies = [
  "unic-common 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "unicode-bidi"
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@@ -1011,6 +1965,7 @@ name = "url"
 version = "1.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "encoding 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -1026,6 +1981,11 @@ name = "vec_map"
 version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
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+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
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@@ -1036,6 +1996,16 @@ dependencies = [
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 ]
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
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@@ -1045,6 +2015,11 @@ dependencies = [
  "winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
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@@ -1063,6 +2038,31 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
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+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
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+
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+ "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "yaml-rust"
 version = "0.4.3"
@@ -1072,65 +2072,128 @@ dependencies = [
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+"checksum parking_lot_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "94c8c7923936b28d546dfd14d4472eaf34c99b14e1c973a32b3e6d4eb04298c9"
 "checksum parking_lot_core 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cb88cb1cb3790baa6776844f968fea3be44956cf184fa1be5a03341f5491278c"
 "checksum percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
 "checksum pest 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "933085deae3f32071f135d799d75667b63c8dc1f4537159756e3d4ceab41868c"
@@ -1155,9 +2218,12 @@ dependencies = [
 "checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
 "checksum regex 1.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "0b2f0808e7d7e4fb1cb07feb6ff2f4bc827938f24f8c2e6a3beb7370af544bdd"
 "checksum regex-syntax 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)" = "9d76410686f9e3a17f06128962e0ecc5755870bb890c34820c7af7f1db2e1d48"
+"checksum resolv-conf 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b263b4aa1b5de9ffc0054a2386f96992058bb6870aab516f8cdeb8a667d56dcb"
+"checksum rustc-demangle 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "a7f4dccf6f4891ebcc0c39f9b6eb1a83b9bf5d747cb439ec6fba4f3b977038af"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 "checksum ryu 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "b96a9549dc8d48f2c283938303c4b5a77aa29bfbc5b54b084fb1630408899a8f"
 "checksum same-file 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8f20c4be53a8a1ff4c1f1b2bd14570d2f634628709752f0702ecdd2b3f9a5267"
+"checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
 "checksum scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b42e15e59b18a828bbf5c58ea01debb36b9b096346de35d941dcb89009f24a0d"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
@@ -1165,21 +2231,43 @@ dependencies = [
 "checksum serde-value 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7a663f873dedc4eac1a559d4c6bc0d0b2c34dc5ac4702e105014b8281489e44f"
 "checksum serde_derive 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)" = "46a3223d0c9ba936b61c0d2e3e559e3217dbfb8d65d06d26e8b3c25de38bae3e"
 "checksum serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)" = "5a23aa71d4a4d43fdbfaac00eff68ba8a06a51759a89ac3304323e800c4dd40d"
+"checksum serde_urlencoded 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "642dd69105886af2efd227f75a520ec9b44a820d65bc133a9131f7d229fd165a"
 "checksum serde_yaml 0.8.9 (registry+https://github.com/rust-lang/crates.io-index)" = "38b08a9a90e5260fe01c6480ec7c811606df6d3a660415808c3c3fa8ed95b582"
 "checksum sha-1 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "23962131a91661d643c98940b20fcaffe62d776a823247be80a48fcb8b6fce68"
+"checksum sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2579985fda508104f7587689507983eadd6a6e84dd35d6d115361f530916fa0d"
+"checksum signal-hook 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "72ab58f1fda436857e6337dcb6a5aaa34f16c5ddc87b3a8b6ef7a212f90b9c5a"
+"checksum signal-hook-registry 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cded4ffa32146722ec54ab1f16320568465aa922aa9ab4708129599740da85d7"
+"checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 "checksum slug 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b3bc762e6a4b6c6fcaade73e77f9ebc6991b676f88bb2358bddb56560f073373"
 "checksum smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "ab606a9c5e214920bb66c458cd7be8ef094f813f20fe77a54cc7dbfff220d4b7"
+"checksum socket2 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "4e626972d3593207547f14bf5fc9efa4d0e7283deb73fef1dff313dae9ab8878"
+"checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
+"checksum string 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d0bbfb8937e38e34c3444ff00afb28b0811d9554f15c5ad64d12b0308d1d1995"
 "checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 "checksum structopt 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)" = "fa19a5a708e22bb5be31c1b6108a2a902f909c4b9ba85cba44c06632386bc0ff"
 "checksum structopt-derive 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)" = "c6d59d0ae8ef8de16e49e3ca7afa16024a3e0dfd974a75ef93fdc5464e34523f"
 "checksum syn 0.15.35 (registry+https://github.com/rust-lang/crates.io-index)" = "641e117d55514d6d918490e47102f7e08d096fdde360247e4a10f7a91a8478d3"
+"checksum synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "02353edf96d6e4dc81aea2d8490a7e9db177bf8acb0e951c24940bf866cb313f"
 "checksum tera 1.0.0-beta.9 (registry+https://github.com/rust-lang/crates.io-index)" = "f868d9b04e269cc4bb2108e3f0631937ccb004c68ef715e489649385c0b04185"
 "checksum termion 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dde0593aeb8d47accea5392b39350015b5eccb12c0d98044d856983d89548dea"
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 "checksum thread-id 3.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c7fbf4c9d56b320106cd64fd024dadfa0be7cb4706725fc44a7d7ce952d820c1"
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+"checksum tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5c501eceaf96f0e1793cf26beb63da3d11c738c4a943fdf3746d81d64684c39f"
+"checksum tokio-current-thread 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "d16217cad7f1b840c5a97dfb3c43b0c871fef423a6e8d2118c604e843662a443"
+"checksum tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "83ea44c6c0773cc034771693711c35c677b4b5a4b21b9e7071704c54de7d555e"
+"checksum tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "5090db468dad16e1a7a54c8c67280c5e4b544f3d3e018f0b913b400261f85926"
+"checksum tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "6af16bfac7e112bea8b0442542161bfc41cbfa4466b580bdda7d18cb88b911ce"
+"checksum tokio-signal 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "dd6dc5276ea05ce379a16de90083ec80836440d5ef8a6a39545a3207373b8296"
+"checksum tokio-sync 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2162248ff317e2bc713b261f242b69dbb838b85248ed20bb21df56d60ea4cae7"
+"checksum tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1d14b10654be682ac43efee27401d792507e30fd8d26389e1da3b185de2e4119"
+"checksum tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "f2106812d500ed25a4f38235b9cae8f78a09edf43203e16e59c3b769a342a60e"
+"checksum tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "66268575b80f4a4a710ef83d087fdfeeabdce9b74c797535fbac18a2cb906e92"
 "checksum traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "efd1f82c56340fdf16f2a953d7bda4f8fdffba13d93b00844c25572110b26079"
+"checksum trust-dns-proto 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5559ebdf6c2368ddd11e20b11d6bbaf9e46deb803acd7815e93f5a7b4a6d2901"
+"checksum trust-dns-resolver 0.11.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6c9992e58dba365798803c0b91018ff6c8d3fc77e06977c4539af2a6bfe0a039"
 "checksum typemap 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "653be63c80a3296da5551e1bfd2cca35227e13cdd08c6668903ae2f4f77aa1f6"
 "checksum typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "612d636f949607bdf9b123b4a6f6d966dedf3ff669f7f045890d3a4a73948169"
 "checksum ucd-trie 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "71a9c5b1fe77426cf144cc30e49e955270f5086e31a6441dfa8b32efc09b9d77"
@@ -1190,6 +2278,7 @@ dependencies = [
 "checksum unic-segment 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e4ed5d26be57f84f176157270c112ef57b86debac9cd21daaabbe56db0f88f23"
 "checksum unic-ucd-segment 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2079c122a62205b421f499da10f3ee0f7697f012f55b675e002483c73ea34700"
 "checksum unic-ucd-version 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "96bd2f2237fe450fcd0a1d2f5f4e91711124f7857ba2e964247776ebeeb7b0c4"
+"checksum unicase 2.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a84e5511b2a947f3ae965dcb29b13b7b1691b6e7332cf5dbc1744138d5acb7f6"
 "checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
 "checksum unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "141339a08b982d942be2ca06ff8b076563cbe223d1befd5450716790d44e2426"
 "checksum unicode-segmentation 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1967f4cdfc355b37fd76d2a954fb2ed3871034eb4f26d60537d88795cfc332a9"
@@ -1199,9 +2288,16 @@ dependencies = [
 "checksum url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
 "checksum utf8-ranges 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "9d50aa7650df78abf942826607c62468ce18d9019673d4a2ebe1865dbb96ffde"
 "checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
+"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
 "checksum walkdir 2.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "c7904a7e2bb3cdf0cf5e783f44204a85a37a93151738fa349f06680f59a98b45"
+"checksum widestring 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "effc0e4ff8085673ea7b9b2e3c73f6bd4d118810c9009ed8f1e16bd96c331db6"
+"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
 "checksum winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f10e386af2b13e47c89e7236a7a14a086791a2b88ebad6df9bf42040195cf770"
+"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 "checksum winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7168bab6e1daee33b4557efd0e95d5ca70a03706d39fa5f3fe7a236f584b03c9"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+"checksum winreg 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "daf67b95d0b1bf421c4f11048d63110ca3719977169eec86396b614c8942b6e0"
+"checksum winutil 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7daf138b6b14196e3830a588acf1e86966c694d3e8fb026fb105b8b5dca07e6e"
+"checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
 "checksum yaml-rust 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "65923dd1784f44da1d2c3dbbc5e822045628c590ba72123e1c73d3c230c4434d"
diff --git a/Cargo.toml b/Cargo.toml
index 8f26f57..ae954e5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,6 +5,10 @@ authors = ["Naftuli Kay <me@naftuli.wtf>"]
 edition = "2018"
 
 [dependencies]
+actix-rt = "0.2"
+actix-web = "1.0"
+crossbeam = "0.7"
+futures = "0.1"
 log = "0.4"
 log4rs = "0.8"
 num_cpus = "1.10"
diff --git a/src/facts/plugins/ec2.rs b/src/facts/plugins/ec2.rs
index a9d4014..3a22215 100644
--- a/src/facts/plugins/ec2.rs
+++ b/src/facts/plugins/ec2.rs
@@ -3,6 +3,8 @@ mod metadata;
 use crate::facts::FactPlugin;
 use crate::facts::FactSet;
 
+use log;
+
 use serde_json::Value;
 
 use std::default::Default;
@@ -28,6 +30,8 @@ impl Default for Ec2Plugin {
 
 impl FactPlugin for Ec2Plugin {
     fn discover(&self) -> Result<FactSet, io::Error> {
+        log::info!("Discovering EC2 facts...");
+
         let mut r = FactSet::new();
         let meta = metadata::Ec2MetadataPlugin::new();
 
diff --git a/src/facts/plugins/ec2/metadata.rs b/src/facts/plugins/ec2/metadata.rs
index 22bf5df..363f52f 100644
--- a/src/facts/plugins/ec2/metadata.rs
+++ b/src/facts/plugins/ec2/metadata.rs
@@ -1,10 +1,20 @@
+use actix_rt::System;
+use actix_web::client::Client;
+
 use crate::facts::FactPlugin;
 use crate::facts::FactSet;
 
+use futures::future::lazy;
+use futures::future::Future;
+
+use log;
+
 use std::default::Default;
 
 use std::io;
 
+static METADATA_URL: &'static str = "http://169.254.169.254/latest/meta-data/";
+
 /// An EC2 instance metadata fact plugin.
 ///
 /// This plugin harvests all available facts present in the latest API revision of the EC2 metadata
@@ -25,6 +35,22 @@ impl Default for Ec2MetadataPlugin {
 
 impl FactPlugin for Ec2MetadataPlugin {
     fn discover(&self) -> Result<FactSet, io::Error> {
+        log::info!("Discovering EC2 metadata facts...");
+
+        System::new("ec2-metadata")
+            .block_on(lazy(|| {
+                Client::default()
+                    .get(METADATA_URL)
+                    .header("User-Agent", "jinjer")
+                    .send()
+                    .map_err(|e| log::error!("Error: {:?}", e))
+                    .and_then(|response| {
+                        log::info!("Response: {:?}", response);
+                        Ok(())
+                    })
+            }))
+            .unwrap();
+
         Ok(FactSet::new())
     }
 }

From 26737f42cc31b0958bec6c27688485dc90af2c3d Mon Sep 17 00:00:00 2001
From: Naftuli Kay <me@naftuli.wtf>
Date: Fri, 21 Jun 2019 13:16:26 -0700
Subject: [PATCH 04/12] attempting to do discovery

---
 Cargo.lock                        |  2 ++
 Cargo.toml                        |  4 ++-
 src/facts/plugins/ec2.rs          | 47 +++++++++++++++++++++++++++++++
 src/facts/plugins/ec2/metadata.rs |  8 ++++--
 src/main.rs                       | 15 ++++++++++
 5 files changed, 73 insertions(+), 3 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index e594cff..8e177fd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -857,6 +857,8 @@ dependencies = [
  "actix-web 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log4rs 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index ae954e5..210dc8b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,8 @@ actix-rt = "0.2"
 actix-web = "1.0"
 crossbeam = "0.7"
 futures = "0.1"
+http = "0.1"
+lazy_static = "1.3"
 log = "0.4"
 log4rs = "0.8"
 num_cpus = "1.10"
@@ -16,4 +18,4 @@ parking_lot = "0.8"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 structopt = "0.2"
-tera = "1.0.0-beta.9"
+tera = "1.0.0-beta.9"
\ No newline at end of file
diff --git a/src/facts/plugins/ec2.rs b/src/facts/plugins/ec2.rs
index 3a22215..3a0caab 100644
--- a/src/facts/plugins/ec2.rs
+++ b/src/facts/plugins/ec2.rs
@@ -1,16 +1,29 @@
 mod metadata;
 
+use actix_web::client::Client;
+use actix_web::http::header::HeaderValue;
+
 use crate::facts::FactPlugin;
 use crate::facts::FactSet;
 
+use futures::Future;
+
+use http::StatusCode;
+
 use log;
 
 use serde_json::Value;
 
 use std::default::Default;
 
+use std::env;
+
 use std::io;
 
+lazy_static! {
+    pub static ref EC2_METADATA_URL: String = format!("http://{}/", env::var("EC2_METADATA_HOST").unwrap_or("169.254.169.254".to_string()));
+}
+
 /// A fact plugin for EC2-related data.
 ///
 /// This plugin will produce EC2 metadata and EC2 tag facts.
@@ -20,6 +33,36 @@ impl Ec2Plugin {
     pub fn new() -> Self {
         Self::default()
     }
+
+    /// Determine whether we are currently running in EC2.
+    /// 
+    /// At present, we send a HEAD request to the EC2 metadata service and examine the `Server` header to determine
+    /// whether we're in EC2. If the `Server` header is `EC2ws`, we're in EC2.
+    fn is_ec2(&self) -> bool {
+        log::debug!("Checking the EC2 metadata server to detect whether we're in EC2...");
+
+        let fut = Client::default().head(EC2_METADATA_URL.as_str())
+            .header("User-Agent", "jinjer")
+            .send();
+
+        match fut.wait() {
+            Ok(response) => {
+                match response.status() {
+                    StatusCode::OK => {
+                        response.headers().get("Server").unwrap_or(&HeaderValue::from_static("Unknown")) == HeaderValue::from_static("EC2ws")
+                    },
+                    _ => {
+                        log::debug!("Received non-200 response: {:?}", response);
+                        false
+                    }
+                }
+            },
+            Err(e) => {
+                log::debug!("Unable to query EC2 metadata service: {:?}", e);   
+                false
+            }
+        }
+    }
 }
 
 impl Default for Ec2Plugin {
@@ -30,6 +73,10 @@ impl Default for Ec2Plugin {
 
 impl FactPlugin for Ec2Plugin {
     fn discover(&self) -> Result<FactSet, io::Error> {
+        if !self.is_ec2() {
+            return Err(io::Error::new(io::ErrorKind::Other, "Not running in EC2."));
+        }
+
         log::info!("Discovering EC2 facts...");
 
         let mut r = FactSet::new();
diff --git a/src/facts/plugins/ec2/metadata.rs b/src/facts/plugins/ec2/metadata.rs
index 363f52f..9aa3bbd 100644
--- a/src/facts/plugins/ec2/metadata.rs
+++ b/src/facts/plugins/ec2/metadata.rs
@@ -11,9 +11,13 @@ use log;
 
 use std::default::Default;
 
+use std::env;
+
 use std::io;
 
-static METADATA_URL: &'static str = "http://169.254.169.254/latest/meta-data/";
+lazy_static! {
+    static ref METADATA_URL: String = format!("http://{}/latest/meta-data/", env::var("EC2_METADATA_HOST").unwrap_or("169.254.169.254".to_string()));
+}
 
 /// An EC2 instance metadata fact plugin.
 ///
@@ -40,7 +44,7 @@ impl FactPlugin for Ec2MetadataPlugin {
         System::new("ec2-metadata")
             .block_on(lazy(|| {
                 Client::default()
-                    .get(METADATA_URL)
+                    .get(METADATA_URL.as_str())
                     .header("User-Agent", "jinjer")
                     .send()
                     .map_err(|e| log::error!("Error: {:?}", e))
diff --git a/src/main.rs b/src/main.rs
index 0c92e44..32e1fea 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,10 +1,19 @@
+#[macro_use]
+extern crate lazy_static;
+
 mod cli;
 mod cmd;
 mod facts;
 mod logging;
 
+use actix_rt::System;
+
+use parking_lot::Once;
+
 use structopt::StructOpt;
 
+static CREATE_ACTIX_RUNTIME: Once = Once::new();
+
 fn main() {
     // parse CLI args
     let args = cli::Args::from_args();
@@ -12,6 +21,12 @@ fn main() {
     // initialize logging
     logging::init(&args);
 
+    // setup actix system runtime
+    CREATE_ACTIX_RUNTIME.call_once(|| {
+        log::info!("Setting up Actix system...");
+        let _ = System::new("jinjer");
+    });
+
     // execute the given command
     match args.command {
         cli::Command::Facts(f) => cmd::facts::call(f),

From 5b8f0029eb3811ceb5e258f7822b41bb8d91e28d Mon Sep 17 00:00:00 2001
From: Naftuli Kay <me@naftuli.wtf>
Date: Fri, 21 Jun 2019 13:44:59 -0700
Subject: [PATCH 05/12] allow specify root level via environment var

---
 src/logging.rs | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/logging.rs b/src/logging.rs
index 9b2e32a..6cb2a23 100644
--- a/src/logging.rs
+++ b/src/logging.rs
@@ -11,13 +11,19 @@ use log4rs::encode::Encode;
 
 use parking_lot::Once;
 
+use std::env;
+
+use std::str::FromStr;
+
 static APPENDER_NAME: &'static str = "stderr";
 
 static INITIALIZE: Once = Once::new();
 
 static LOG_FORMAT: &'static str = "{d(%Y-%m-%dT%H:%M:%S%.3f%z)} {l:5.5} [{T}] {M}: {m}{n}";
 
-static ROOT_LEVEL: LevelFilter = LevelFilter::Error;
+static DEFAULT_ROOT_LEVEL: LevelFilter = LevelFilter::Error;
+
+static ROOT_LEVEL_ENV_VAR: &'static str = "LOG4RS_ROOT_LEVEL";
 
 /// Initialize logging. This function is idempotent.
 pub fn init(config: &Args) {
@@ -45,7 +51,12 @@ fn init_once(config: &Args) {
         Config::builder()
             .appender(Appender::builder().build(APPENDER_NAME, appender))
             .logger(Logger::builder().build("jinjer", level))
-            .build(Root::builder().appender(APPENDER_NAME).build(ROOT_LEVEL))
+            .build(Root::builder().appender(APPENDER_NAME).build(
+                match env::var(ROOT_LEVEL_ENV_VAR) {
+                    Ok(s) => LevelFilter::from_str(s.as_str()).expect("unknown logging level"),
+                    Err(_) => DEFAULT_ROOT_LEVEL,
+                }
+            ))
             .unwrap(),
     )
     .unwrap();

From c0d966e1a7d97a7c89d93c77953a7cfe1b96aa26 Mon Sep 17 00:00:00 2001
From: Naftuli Kay <me@naftuli.wtf>
Date: Fri, 21 Jun 2019 14:24:50 -0700
Subject: [PATCH 06/12] expose log formatting too

---
 src/logging.rs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/logging.rs b/src/logging.rs
index 6cb2a23..96b23bf 100644
--- a/src/logging.rs
+++ b/src/logging.rs
@@ -19,7 +19,9 @@ static APPENDER_NAME: &'static str = "stderr";
 
 static INITIALIZE: Once = Once::new();
 
-static LOG_FORMAT: &'static str = "{d(%Y-%m-%dT%H:%M:%S%.3f%z)} {l:5.5} [{T}] {M}: {m}{n}";
+static DEFAULT_LOG_FORMAT: &'static str = "{d(%Y-%m-%dT%H:%M:%S%.3f%z)} {l:5.5} [{T}] {M}: {m}{n}";
+
+static LOG_FORMAT_ENV_VAR: &'static str = "LOG4RS_LOG_FORMAT";
 
 static DEFAULT_ROOT_LEVEL: LevelFilter = LevelFilter::Error;
 
@@ -31,7 +33,13 @@ pub fn init(config: &Args) {
 }
 
 fn init_once(config: &Args) {
-    let encoder: Box<Encode> = Box::new(PatternEncoder::new(LOG_FORMAT));
+    let encoder: Box<Encode> = Box::new(PatternEncoder::new(
+        match env::var(LOG_FORMAT_ENV_VAR) {
+            Ok(ref s) => &s,
+            _ => DEFAULT_LOG_FORMAT,
+        }
+    ));
+
     let appender: Box<Append> = Box::new(
         ConsoleAppender::builder()
             .encoder(encoder)

From 6384f5d724d99758fc08e5d249b3b289daf65f0e Mon Sep 17 00:00:00 2001
From: Naftuli Kay <me@naftuli.wtf>
Date: Mon, 24 Jun 2019 12:45:56 -0700
Subject: [PATCH 07/12] rust format

---
 src/facts/plugins/ec2/metadata.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/facts/plugins/ec2/metadata.rs b/src/facts/plugins/ec2/metadata.rs
index 9aa3bbd..e3233d6 100644
--- a/src/facts/plugins/ec2/metadata.rs
+++ b/src/facts/plugins/ec2/metadata.rs
@@ -16,7 +16,10 @@ use std::env;
 use std::io;
 
 lazy_static! {
-    static ref METADATA_URL: String = format!("http://{}/latest/meta-data/", env::var("EC2_METADATA_HOST").unwrap_or("169.254.169.254".to_string()));
+    static ref METADATA_URL: String = format!(
+        "http://{}/latest/meta-data/",
+        env::var("EC2_METADATA_HOST").unwrap_or("169.254.169.254".to_string())
+    );
 }
 
 /// An EC2 instance metadata fact plugin.

From d783f37443e7bbd79c7e05b12d13a623d28dbac7 Mon Sep 17 00:00:00 2001
From: Naftuli Kay <me@naftuli.wtf>
Date: Mon, 24 Jun 2019 13:15:22 -0700
Subject: [PATCH 08/12] this works

---
 src/facts.rs | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/src/facts.rs b/src/facts.rs
index abf758c..5c0a9f3 100644
--- a/src/facts.rs
+++ b/src/facts.rs
@@ -1,5 +1,9 @@
 pub mod plugins;
 
+use actix_rt::System;
+
+use futures::Future;
+
 use serde_json::Map;
 use serde_json::Value;
 
@@ -28,6 +32,15 @@ impl Facts {
     ///
     /// This operation will take some time as it fetches facts from all available providers.
     pub fn discover(&self) -> FactSet {
+        let mut result = FactSet::new();
+
+        result.extend(self.discover_sync());
+        result.extend(self.discover_async());
+
+        result
+    }
+
+    fn discover_sync(&self) -> FactSet {
         let mut r = FactSet::new();
 
         for (name, plugin) in self.plugins.iter() {
@@ -42,6 +55,11 @@ impl Facts {
         r
     }
 
+    fn discover_async(&self) -> FactSet {
+
+        FactSet::new()
+    }
+
     pub fn register(&mut self, id: &str, plugin: Box<dyn FactPlugin>) {
         self.plugins.insert(id.to_string(), plugin);
     }
@@ -60,7 +78,15 @@ impl Default for Facts {
     }
 }
 
+/// A plugin which discovers facts synchronously.
 pub trait FactPlugin {
     /// Execute the plugin, discovering and returning all available facts.
     fn discover(&self) -> Result<FactSet, io::Error>;
 }
+
+/// A plugin which discovers facts asynchronously.
+pub trait AsyncFactPlugin {
+    /// Execute the plugin, yielding a future that can be polled for readiness.
+    fn discover(&self) -> Future<Item=FactSet, Error=io::Error>;
+
+}

From 6a3f4c206283cb99bd82e438f9a9e65811176e2d Mon Sep 17 00:00:00 2001
From: Naftuli Kay <me@naftuli.wtf>
Date: Mon, 24 Jun 2019 13:50:06 -0700
Subject: [PATCH 09/12] separate registry

---
 src/facts.rs | 31 +++++++++++++++++++++----------
 1 file changed, 21 insertions(+), 10 deletions(-)

diff --git a/src/facts.rs b/src/facts.rs
index 5c0a9f3..feaeb1f 100644
--- a/src/facts.rs
+++ b/src/facts.rs
@@ -1,31 +1,34 @@
 pub mod plugins;
 
-use actix_rt::System;
-
 use futures::Future;
 
 use serde_json::Map;
 use serde_json::Value;
 
 use std::collections::HashMap;
-
 use std::default::Default;
-
 use std::io;
+use std::iter::once;
 
 pub type FactSet = Map<String, Value>;
 
+/// A future that, when executed, returns a set of facts.
+pub type FactSetFuture = Future<Item=FactSet, Error=io::Error>;
+
+/// A registry for asynchronous plugins.
+pub type AsyncPluginRegistry = HashMap<String, Box<dyn AsyncFactPlugin>>;
+
+/// A registry for synchronous plugins.
 pub type PluginRegistry = HashMap<String, Box<dyn FactPlugin>>;
 
 pub struct Facts {
     plugins: PluginRegistry,
+    async_plugins: AsyncPluginRegistry,
 }
 
 impl Facts {
     pub fn new() -> Self {
-        Self {
-            plugins: PluginRegistry::new(),
-        }
+        Self { ..Default::default() }
     }
 
     /// Discover all available facts via the registered fact plugins.
@@ -34,12 +37,16 @@ impl Facts {
     pub fn discover(&self) -> FactSet {
         let mut result = FactSet::new();
 
-        result.extend(self.discover_sync());
-        result.extend(self.discover_async());
+        for factset in once(self.discover_sync()).chain(once(self.discover_async())) {
+            result.extend(factset);
+        }
 
         result
     }
 
+    /// Discover synchronous fact plugins.
+    /// 
+    /// FIXME either use rayon for parallelism here or just use futures everywhere
     fn discover_sync(&self) -> FactSet {
         let mut r = FactSet::new();
 
@@ -55,14 +62,18 @@ impl Facts {
         r
     }
 
+    /// Discover asynchronous fact plugins.
     fn discover_async(&self) -> FactSet {
-
         FactSet::new()
     }
 
     pub fn register(&mut self, id: &str, plugin: Box<dyn FactPlugin>) {
         self.plugins.insert(id.to_string(), plugin);
     }
+
+    pub fn register_async(&mut self, id: &str, plugin: Box<dyn AsyncFactPlugin>) {
+        self.async_plugins.insert(id.to_string(), plugin);        
+    }
 }
 
 impl Default for Facts {

From 6cb1cc8395c5478b2f759ac1a6ddc755ce023e5d Mon Sep 17 00:00:00 2001
From: Naftuli Kay <me@naftuli.wtf>
Date: Mon, 24 Jun 2019 16:35:17 -0700
Subject: [PATCH 10/12] I mean it  like does futures and shit

---
 .gitignore                        |  1 +
 src/facts.rs                      | 71 ++++++++++---------------------
 src/facts/plugins/basic.rs        | 53 ++++++++++++-----------
 src/facts/plugins/ec2.rs          | 64 ++++++++++++++++------------
 src/facts/plugins/ec2/metadata.rs | 42 +++++++++---------
 src/facts/plugins/env.rs          | 18 +++++---
 src/main.rs                       | 12 ------
 7 files changed, 121 insertions(+), 140 deletions(-)

diff --git a/.gitignore b/.gitignore
index 16df137..5d8096f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 /.ansible/galaxy-roles
 /.vagrant
+/.vscode
 
 /target
 **/*.rs.bk
diff --git a/src/facts.rs b/src/facts.rs
index feaeb1f..30cd48b 100644
--- a/src/facts.rs
+++ b/src/facts.rs
@@ -1,5 +1,7 @@
 pub mod plugins;
 
+use actix_rt::System;
+
 use futures::Future;
 
 use serde_json::Map;
@@ -8,27 +10,19 @@ use serde_json::Value;
 use std::collections::HashMap;
 use std::default::Default;
 use std::io;
-use std::iter::once;
 
 pub type FactSet = Map<String, Value>;
 
-/// A future that, when executed, returns a set of facts.
-pub type FactSetFuture = Future<Item=FactSet, Error=io::Error>;
-
-/// A registry for asynchronous plugins.
-pub type AsyncPluginRegistry = HashMap<String, Box<dyn AsyncFactPlugin>>;
-
 /// A registry for synchronous plugins.
 pub type PluginRegistry = HashMap<String, Box<dyn FactPlugin>>;
 
 pub struct Facts {
     plugins: PluginRegistry,
-    async_plugins: AsyncPluginRegistry,
 }
 
 impl Facts {
     pub fn new() -> Self {
-        Self { ..Default::default() }
+        Self { plugins: PluginRegistry::default() }
     }
 
     /// Discover all available facts via the registered fact plugins.
@@ -37,42 +31,30 @@ impl Facts {
     pub fn discover(&self) -> FactSet {
         let mut result = FactSet::new();
 
-        for factset in once(self.discover_sync()).chain(once(self.discover_async())) {
-            result.extend(factset);
+        // FIXME this should be parallelized using a stream map over the futures
+        for (name, plugin) in &self.plugins {
+            log::info!("Executing asynchronous plugin {}", name);
+
+            match System::new("jinjer").block_on(plugin.discover()) {
+                Ok(v) => {
+                    log::info!("Successfully determined {} facts.", name);
+                    result.insert(name.to_string(), Value::Object(v));
+                },
+                Err(e) => {
+                    match e.kind() {
+                        io::ErrorKind::NotFound => log::debug!("Unable to resolve {} facts.", name),
+                        _ => log::warn!("Unable to resolve facts for {}: {:?}", name, e),
+                    };
+                },
+            };
         }
 
         result
     }
 
-    /// Discover synchronous fact plugins.
-    /// 
-    /// FIXME either use rayon for parallelism here or just use futures everywhere
-    fn discover_sync(&self) -> FactSet {
-        let mut r = FactSet::new();
-
-        for (name, plugin) in self.plugins.iter() {
-            match plugin.discover() {
-                Ok(f) => {
-                    r.insert(name.to_string(), Value::Object(f));
-                }
-                Err(e) => log::warn!("Discovery failed for {}: {}", name, e),
-            }
-        }
-
-        r
-    }
-
-    /// Discover asynchronous fact plugins.
-    fn discover_async(&self) -> FactSet {
-        FactSet::new()
-    }
-
+    /// Register a plugin.
     pub fn register(&mut self, id: &str, plugin: Box<dyn FactPlugin>) {
-        self.plugins.insert(id.to_string(), plugin);
-    }
-
-    pub fn register_async(&mut self, id: &str, plugin: Box<dyn AsyncFactPlugin>) {
-        self.async_plugins.insert(id.to_string(), plugin);        
+        self.plugins.insert(id.to_string(), plugin.into());
     }
 }
 
@@ -89,15 +71,8 @@ impl Default for Facts {
     }
 }
 
-/// A plugin which discovers facts synchronously.
-pub trait FactPlugin {
-    /// Execute the plugin, discovering and returning all available facts.
-    fn discover(&self) -> Result<FactSet, io::Error>;
-}
-
 /// A plugin which discovers facts asynchronously.
-pub trait AsyncFactPlugin {
+pub trait FactPlugin {
     /// Execute the plugin, yielding a future that can be polled for readiness.
-    fn discover(&self) -> Future<Item=FactSet, Error=io::Error>;
-
+    fn discover(&self) -> Box<dyn Future<Item=FactSet, Error=io::Error>>;
 }
diff --git a/src/facts/plugins/basic.rs b/src/facts/plugins/basic.rs
index 765715c..b8ea053 100644
--- a/src/facts/plugins/basic.rs
+++ b/src/facts/plugins/basic.rs
@@ -1,6 +1,8 @@
 use crate::facts::FactPlugin;
 use crate::facts::FactSet;
 
+use futures::Future;
+
 use log;
 
 use num_cpus;
@@ -9,7 +11,6 @@ use serde_json::Number;
 use serde_json::Value;
 
 use std::default::Default;
-
 use std::io;
 
 /// A fact plugin providing a basic set of system facts.
@@ -28,29 +29,31 @@ impl Default for BasicPlugin {
 }
 
 impl FactPlugin for BasicPlugin {
-    fn discover(&self) -> Result<FactSet, io::Error> {
-        log::info!("Discovering basic facts...");
-
-        let mut f = FactSet::new();
-
-        f.insert(
-            "cpu_cores".to_string(),
-            Value::Object({
-                let mut p = FactSet::new();
-
-                p.insert(
-                    "logical".to_string(),
-                    Value::Number(Number::from(num_cpus::get())),
-                );
-                p.insert(
-                    "physical".to_string(),
-                    Value::Number(Number::from(num_cpus::get_physical())),
-                );
-
-                p
-            }),
-        );
-
-        Ok(f)
+    fn discover(&self) -> Box<Future<Item = FactSet, Error = io::Error>> {
+        Box::new(futures::lazy(|| {
+            log::info!("Discovering basic facts...");
+
+            let mut f = FactSet::new();
+
+            f.insert(
+                "cpu_cores".to_string(),
+                Value::Object({
+                    let mut p = FactSet::new();
+
+                    p.insert(
+                        "logical".to_string(),
+                        Value::Number(Number::from(num_cpus::get())),
+                    );
+                    p.insert(
+                        "physical".to_string(),
+                        Value::Number(Number::from(num_cpus::get_physical())),
+                    );
+
+                    p
+                }),
+            );
+
+            Ok(f)
+        }))
     }
 }
diff --git a/src/facts/plugins/ec2.rs b/src/facts/plugins/ec2.rs
index 3a0caab..ad43c6c 100644
--- a/src/facts/plugins/ec2.rs
+++ b/src/facts/plugins/ec2.rs
@@ -3,17 +3,15 @@ mod metadata;
 use actix_web::client::Client;
 use actix_web::http::header::HeaderValue;
 
+use futures::Future;
+
 use crate::facts::FactPlugin;
 use crate::facts::FactSet;
 
-use futures::Future;
-
 use http::StatusCode;
 
 use log;
 
-use serde_json::Value;
-
 use std::default::Default;
 
 use std::env;
@@ -21,7 +19,10 @@ use std::env;
 use std::io;
 
 lazy_static! {
-    pub static ref EC2_METADATA_URL: String = format!("http://{}/", env::var("EC2_METADATA_HOST").unwrap_or("169.254.169.254".to_string()));
+    pub static ref EC2_METADATA_URL: String = format!(
+        "http://{}/",
+        env::var("EC2_METADATA_HOST").unwrap_or("169.254.169.254".to_string())
+    );
 }
 
 /// A fact plugin for EC2-related data.
@@ -35,30 +36,33 @@ impl Ec2Plugin {
     }
 
     /// Determine whether we are currently running in EC2.
-    /// 
+    ///
     /// At present, we send a HEAD request to the EC2 metadata service and examine the `Server` header to determine
     /// whether we're in EC2. If the `Server` header is `EC2ws`, we're in EC2.
     fn is_ec2(&self) -> bool {
         log::debug!("Checking the EC2 metadata server to detect whether we're in EC2...");
 
-        let fut = Client::default().head(EC2_METADATA_URL.as_str())
+        let fut = Client::default()
+            .head(EC2_METADATA_URL.as_str())
             .header("User-Agent", "jinjer")
             .send();
 
         match fut.wait() {
-            Ok(response) => {
-                match response.status() {
-                    StatusCode::OK => {
-                        response.headers().get("Server").unwrap_or(&HeaderValue::from_static("Unknown")) == HeaderValue::from_static("EC2ws")
-                    },
-                    _ => {
-                        log::debug!("Received non-200 response: {:?}", response);
-                        false
-                    }
+            Ok(response) => match response.status() {
+                StatusCode::OK => {
+                    response
+                        .headers()
+                        .get("Server")
+                        .unwrap_or(&HeaderValue::from_static("Unknown"))
+                        == HeaderValue::from_static("EC2ws")
+                }
+                _ => {
+                    log::debug!("Received non-200 response: {:?}", response);
+                    false
                 }
             },
             Err(e) => {
-                log::debug!("Unable to query EC2 metadata service: {:?}", e);   
+                log::debug!("Unable to query EC2 metadata service: {:?}", e);
                 false
             }
         }
@@ -72,20 +76,24 @@ impl Default for Ec2Plugin {
 }
 
 impl FactPlugin for Ec2Plugin {
-    fn discover(&self) -> Result<FactSet, io::Error> {
-        if !self.is_ec2() {
-            return Err(io::Error::new(io::ErrorKind::Other, "Not running in EC2."));
-        }
+    fn discover(&self) -> Box<Future<Item = FactSet, Error = io::Error>> {
+        let is_ec2 = self.is_ec2();
+
+        Box::new(futures::lazy(move || {
+            if !is_ec2 {
+                return Err(io::Error::new(io::ErrorKind::Other, "Not running in EC2."));
+            }
 
-        log::info!("Discovering EC2 facts...");
+            log::info!("Discovering EC2 facts...");
 
-        let mut r = FactSet::new();
-        let meta = metadata::Ec2MetadataPlugin::new();
+            let r = FactSet::new();
+            let _meta = metadata::Ec2MetadataPlugin::new();
 
-        // if ec2 metadata discovery fails, then we return that failure and ec2 facts are not
-        // returned
-        r.insert("metadata".to_string(), Value::Object(meta.discover()?));
+            // if ec2 metadata discovery fails, then we return that failure and ec2 facts are not
+            // returned
+            // r.insert("metadata".to_string(), Value::Object(meta.discover()?));
 
-        Ok(r)
+            Ok(r)
+        }))
     }
 }
diff --git a/src/facts/plugins/ec2/metadata.rs b/src/facts/plugins/ec2/metadata.rs
index e3233d6..928043b 100644
--- a/src/facts/plugins/ec2/metadata.rs
+++ b/src/facts/plugins/ec2/metadata.rs
@@ -4,8 +4,8 @@ use actix_web::client::Client;
 use crate::facts::FactPlugin;
 use crate::facts::FactSet;
 
-use futures::future::lazy;
-use futures::future::Future;
+use futures::future;
+use futures::Future;
 
 use log;
 
@@ -41,23 +41,25 @@ impl Default for Ec2MetadataPlugin {
 }
 
 impl FactPlugin for Ec2MetadataPlugin {
-    fn discover(&self) -> Result<FactSet, io::Error> {
-        log::info!("Discovering EC2 metadata facts...");
-
-        System::new("ec2-metadata")
-            .block_on(lazy(|| {
-                Client::default()
-                    .get(METADATA_URL.as_str())
-                    .header("User-Agent", "jinjer")
-                    .send()
-                    .map_err(|e| log::error!("Error: {:?}", e))
-                    .and_then(|response| {
-                        log::info!("Response: {:?}", response);
-                        Ok(())
-                    })
-            }))
-            .unwrap();
-
-        Ok(FactSet::new())
+    fn discover(&self) -> Box<Future<Item=FactSet, Error=io::Error>> {
+        Box::new(future::lazy(|| {
+            log::info!("Discovering EC2 metadata facts...");
+
+            System::new("ec2-metadata")
+                .block_on(futures::lazy(|| {
+                    Client::default()
+                        .get(METADATA_URL.as_str())
+                        .header("User-Agent", "jinjer")
+                        .send()
+                        .map_err(|e| log::error!("Error: {:?}", e))
+                        .and_then(|response| {
+                            log::info!("Response: {:?}", response);
+                            Ok(())
+                        })
+                }))
+                .unwrap();
+
+           Ok(FactSet::new())
+        }))
     }
 }
diff --git a/src/facts/plugins/env.rs b/src/facts/plugins/env.rs
index d8c07ff..bcf0290 100644
--- a/src/facts/plugins/env.rs
+++ b/src/facts/plugins/env.rs
@@ -1,6 +1,8 @@
 use crate::facts::FactPlugin;
 use crate::facts::FactSet;
 
+use futures::Future;
+
 use serde_json::Value;
 
 use std::default::Default;
@@ -23,15 +25,17 @@ impl Default for EnvPlugin {
 }
 
 impl FactPlugin for EnvPlugin {
-    fn discover(&self) -> Result<FactSet, io::Error> {
-        log::info!("Discovering facts from environment variables...");
+    fn discover(&self) -> Box<Future<Item = FactSet, Error = io::Error>> {
+        Box::new(futures::lazy(|| {
+            log::info!("Discovering facts from environment variables...");
 
-        let mut f = FactSet::new();
+            let mut f = FactSet::new();
 
-        for (key, value) in std::env::vars() {
-            f.insert(key, Value::String(value));
-        }
+            for (key, value) in std::env::vars() {
+                f.insert(key, Value::String(value));
+            }
 
-        Ok(f)
+            Ok(f)
+        }))
     }
 }
diff --git a/src/main.rs b/src/main.rs
index 32e1fea..3a8a559 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,14 +6,8 @@ mod cmd;
 mod facts;
 mod logging;
 
-use actix_rt::System;
-
-use parking_lot::Once;
-
 use structopt::StructOpt;
 
-static CREATE_ACTIX_RUNTIME: Once = Once::new();
-
 fn main() {
     // parse CLI args
     let args = cli::Args::from_args();
@@ -21,12 +15,6 @@ fn main() {
     // initialize logging
     logging::init(&args);
 
-    // setup actix system runtime
-    CREATE_ACTIX_RUNTIME.call_once(|| {
-        log::info!("Setting up Actix system...");
-        let _ = System::new("jinjer");
-    });
-
     // execute the given command
     match args.command {
         cli::Command::Facts(f) => cmd::facts::call(f),

From 72693d0e7657914268455a01f9267a5cbf93bc14 Mon Sep 17 00:00:00 2001
From: Naftuli Kay <me@naftuli.wtf>
Date: Tue, 25 Jun 2019 13:15:26 -0700
Subject: [PATCH 11/12] closer to futures

---
 Makefile                          | 27 +++++++++++++
 src/facts/plugins/ec2.rs          | 63 ++++++++-----------------------
 src/facts/plugins/ec2/metadata.rs |  4 +-
 3 files changed, 45 insertions(+), 49 deletions(-)
 create mode 100644 Makefile

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..faff440
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,27 @@
+#!/usr/bin/make -f
+
+EXEC_NAME:=jinjer
+RUST_RELEASE_TARGET:=x86_64-unknown-linux-musl
+
+release:
+	@cargo build --release --target $(RUST_RELEASE_TARGET)
+
+strip:
+	@strip target/$(RUST_RELEASE_TARGET)/release/$(EXEC_NAME)
+
+deploy: release strip
+ifndef DEPLOY_HOST
+$(error DEPLOY_HOST is not set.)
+endif
+
+	@echo "Deploying binary to $(DEPLOY_HOST)..."
+	@scp -q -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \
+		target/$(RUST_RELEASE_TARGET)/release/$(EXEC_NAME) \
+		$(DEPLOY_HOST):bin/
+
+shell:
+ifndef DEPLOY_HOST
+$(error DEPLOY_HOST is not set.)
+endif
+	@ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \
+		$(DEPLOY_HOST)
\ No newline at end of file
diff --git a/src/facts/plugins/ec2.rs b/src/facts/plugins/ec2.rs
index ad43c6c..77338b5 100644
--- a/src/facts/plugins/ec2.rs
+++ b/src/facts/plugins/ec2.rs
@@ -34,39 +34,6 @@ impl Ec2Plugin {
     pub fn new() -> Self {
         Self::default()
     }
-
-    /// Determine whether we are currently running in EC2.
-    ///
-    /// At present, we send a HEAD request to the EC2 metadata service and examine the `Server` header to determine
-    /// whether we're in EC2. If the `Server` header is `EC2ws`, we're in EC2.
-    fn is_ec2(&self) -> bool {
-        log::debug!("Checking the EC2 metadata server to detect whether we're in EC2...");
-
-        let fut = Client::default()
-            .head(EC2_METADATA_URL.as_str())
-            .header("User-Agent", "jinjer")
-            .send();
-
-        match fut.wait() {
-            Ok(response) => match response.status() {
-                StatusCode::OK => {
-                    response
-                        .headers()
-                        .get("Server")
-                        .unwrap_or(&HeaderValue::from_static("Unknown"))
-                        == HeaderValue::from_static("EC2ws")
-                }
-                _ => {
-                    log::debug!("Received non-200 response: {:?}", response);
-                    false
-                }
-            },
-            Err(e) => {
-                log::debug!("Unable to query EC2 metadata service: {:?}", e);
-                false
-            }
-        }
-    }
 }
 
 impl Default for Ec2Plugin {
@@ -77,23 +44,25 @@ impl Default for Ec2Plugin {
 
 impl FactPlugin for Ec2Plugin {
     fn discover(&self) -> Box<Future<Item = FactSet, Error = io::Error>> {
-        let is_ec2 = self.is_ec2();
-
-        Box::new(futures::lazy(move || {
-            if !is_ec2 {
-                return Err(io::Error::new(io::ErrorKind::Other, "Not running in EC2."));
-            }
+        let f = Client::default()
+            .get(EC2_METADATA_URL.as_str())
+            .header("User-Agent", "jinjer")
+            .send()
+            .map_err(|e| io::Error::new(io::ErrorKind::Other, format!("{:?}", e)))
+            .map(|resp| {
+                log::debug!("Reached the EC2 metadata server: {:?}", resp);
 
-            log::info!("Discovering EC2 facts...");
+                if resp.status() != StatusCode::OK {
+                    log::debug!(
+                        "Reached the EC2 metadata service, but received an error response."
+                    );
 
-            let r = FactSet::new();
-            let _meta = metadata::Ec2MetadataPlugin::new();
+                    // return Err(io::Error::new(io::ErrorKind::NotFound, "HTTP error reaching EC2 metadata service."));
+                }
 
-            // if ec2 metadata discovery fails, then we return that failure and ec2 facts are not
-            // returned
-            // r.insert("metadata".to_string(), Value::Object(meta.discover()?));
+                FactSet::new()
+            });
 
-            Ok(r)
-        }))
+        Box::new(f)
     }
 }
diff --git a/src/facts/plugins/ec2/metadata.rs b/src/facts/plugins/ec2/metadata.rs
index 928043b..1e6eb68 100644
--- a/src/facts/plugins/ec2/metadata.rs
+++ b/src/facts/plugins/ec2/metadata.rs
@@ -41,7 +41,7 @@ impl Default for Ec2MetadataPlugin {
 }
 
 impl FactPlugin for Ec2MetadataPlugin {
-    fn discover(&self) -> Box<Future<Item=FactSet, Error=io::Error>> {
+    fn discover(&self) -> Box<Future<Item = FactSet, Error = io::Error>> {
         Box::new(future::lazy(|| {
             log::info!("Discovering EC2 metadata facts...");
 
@@ -59,7 +59,7 @@ impl FactPlugin for Ec2MetadataPlugin {
                 }))
                 .unwrap();
 
-           Ok(FactSet::new())
+            Ok(FactSet::new())
         }))
     }
 }

From 1d1998962d3fbda118fe9d4e36dacd49cb3d0afc Mon Sep 17 00:00:00 2001
From: Naftuli Kay <me@naftuli.wtf>
Date: Wed, 26 Jun 2019 16:10:45 -0700
Subject: [PATCH 12/12] MRAKE

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index faff440..6185db2 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ EXEC_NAME:=jinjer
 RUST_RELEASE_TARGET:=x86_64-unknown-linux-musl
 
 release:
-	@cargo build --release --target $(RUST_RELEASE_TARGET)
+	@cargo build --release --bin $(EXEC_NAME) --target $(RUST_RELEASE_TARGET)
 
 strip:
 	@strip target/$(RUST_RELEASE_TARGET)/release/$(EXEC_NAME)