Initial codespaces support and big bazel version bump (#72)

* Initial codespaces support

* add missing file

* Update to a consistent bazel version and minor python update

* Add dotfiles

* A few more tweaks

* A few more updates and helpers

* Python update and rerun gazelle

* a few go fixes

* mem and cpu settings

* More ci tweaks

.bazelrc.travis

@@ -3,11 +3,9 @@
 # This is from Bazel's former travis setup, to avoid blowing up the RAM usage.
 startup --host_jvm_args=-Xmx1500m
 startup --host_jvm_args=-Xms1500m
-# startup --batch # we actually start many bazels in the test script, we don't want batch
-test --ram_utilization_factor=10
 
 # Just making sure that we don't OOM with parallel builds
-build --local_resources 1024,.5,1.0
+build --local_ram_resources=3072 --local_cpu_resources="HOST_CPUS*.5"
 
 # This is so we understand failures better
 build --verbose_failures

.circleci/config.yml

@@ -76,25 +76,13 @@ jobs:
       - save-caches
       # - e2e-test - Leave this out for now until docker issues can be resolved
 
-  build-bazel-1-2:
+  build-bazel-3-4:
     <<: *build-template
     environment:
-      BAZEL_VER: "1.2.1"
-
-  build-bazel-2-2:
-    <<: *build-template
-    environment:
-      BAZEL_VER: "2.2.0"
-
-  build-bazel-3-0:
-    <<: *build-template
-    environment:
-      BAZEL_VER: "3.0.0"
+      BAZEL_VER: "3.4.1"
 
 workflows:
   version: 2
   default_workflow:
     jobs:
-      # - build-bazel-1-2
-      - build-bazel-2-2
-      # - build-bazel-3-0
+      - build-bazel-3-4

.devcontainer/BUILD

@@ -0,0 +1,4 @@
+filegroup(
+    name = "srcs",
+    srcs = glob(["*"]),
+)

.devcontainer/Dockerfile

@@ -0,0 +1,30 @@
+# You can pick any Debian/Ubuntu-based image. 😊
+FROM mcr.microsoft.com/vscode/devcontainers/base:buster
+
+# Options for setup script
+ARG INSTALL_ZSH="true"
+ARG UPGRADE_PACKAGES="false"
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+
+# Install needed packages and setup non-root user. Use a separate RUN statement to add your own dependencies.
+COPY library-scripts/*.sh /tmp/library-scripts/
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+    && /bin/bash /tmp/library-scripts/common-debian.sh "${INSTALL_ZSH}" "${USERNAME}" "${USER_UID}" "${USER_GID}" "${UPGRADE_PACKAGES}" \
+    && apt-get install -y pkg-config zip g++ zlib1g-dev unzip python \
+    && apt-get autoremove -y && apt-get clean -y && rm -rf /var/lib/apt/lists/* /tmp/library-scripts
+
+# Install Bazel
+ARG BAZEL_VERSION=3.4.1
+ARG BAZEL_DOWNLOAD_SHA=dev-mode
+RUN curl -fSsL -o /tmp/bazel-installer.sh https://github.com/bazelbuild/bazel/releases/download/${BAZEL_VERSION}/bazel-${BAZEL_VERSION}-installer-linux-x86_64.sh \
+    && ([ "${BAZEL_DOWNLOAD_SHA}" = "dev-mode" ] || echo "${BAZEL_DOWNLOAD_SHA} */tmp/bazel-installer.sh" | sha256sum --check - ) \
+    && /bin/bash /tmp/bazel-installer.sh --base=/usr/local/bazel \
+    && rm /tmp/bazel-installer.sh
+
+# [Optional] Uncomment this section to install additional OS packages.
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+    && apt-get -y install --no-install-recommends \
+         python3-distutils python3-dev python3-pip openjdk-11-jdk-headless \
+         jq entr tmux vim

.devcontainer/README.md

@@ -0,0 +1,5 @@
+Codespaces setup
+
+See https://docs.github.com/en/free-pro-team@latest/github/developing-online-with-codespaces/personalizing-codespaces-for-your-account
+
+and example project https://github.com/microsoft/vscode-dev-containers/tree/master/containers/bazel

.devcontainer/devcontainer.json

@@ -0,0 +1,34 @@
+
+{
+	"name": "Bazel (Community)",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"args": {
+			"BAZEL_VERSION": "3.4.1",
+			"BAZEL_DOWNLOAD_SHA": "9808adad931ac652e8ff5022a74507c532250c2091d21d6aebc7064573669cc5"
+		}
+	},
+
+	// Set *default* container specific settings.json values on container create.
+	"settings": { 
+		"terminal.integrated.shell.linux": "/usr/bin/zsh"
+	},
+
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"devondcarew.bazel-code"
+	]
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "uname -a",
+
+	// Uncomment when using a ptrace-based debugger like C++, Go, and Rust
+	// "runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
+
+	// Uncomment to connect as a non-root user. See https://aka.ms/vscode-remote/containers/non-root.
+	// "remoteUser": "vscode"
+
+}

.devcontainer/library-scripts/BUILD

@@ -0,0 +1,4 @@
+filegroup(
+    name = "srcs",
+    srcs = glob(["*"]),
+)