From 61718dba123c6f4746f9373a5e9ad5fbbfa2aaa0 Mon Sep 17 00:00:00 2001
From: localhost <xpaomian@gmail.com>
Date: Mon, 18 Nov 2024 10:27:34 +0800
Subject: [PATCH] chore: add otlp logs demo for grafana alloy (#61)

* chore: add otlp logs and rename vector ingestion readme

* Apply suggestions from code review

Co-authored-by: Ning Sun <classicning@gmail.com>

---------

Co-authored-by: Ning Sun <classicning@gmail.com>
---
 grafana-alloy/config.alloy.tpl   | 25 +++++++++++++++++++++++++
 grafana-alloy/docker-compose.yml |  3 ++-
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/grafana-alloy/config.alloy.tpl b/grafana-alloy/config.alloy.tpl
index 3f41e04..4e76f12 100644
--- a/grafana-alloy/config.alloy.tpl
+++ b/grafana-alloy/config.alloy.tpl
@@ -63,7 +63,32 @@ otelcol.exporter.otlphttp "greptimedb" {
   }
 }
 
+otelcol.exporter.otlphttp "greptimedb_logs" {
+  client {
+    endpoint = "${GREPTIME_SCHEME:=http}://${GREPTIME_HOST:=greptimedb}:${GREPTIME_PORT:=4000}/v1/otlp/"
+    headers  = {
+      "X-Greptime-DB-Name" = "${GREPTIME_DB:=public}",
+      "x-greptime-log-table-name" = "demo_logs",
+      "x-greptime-log-extract-keys" = "filename",
+    }
+    auth     = otelcol.auth.basic.credentials.handler
+  }
+}
+
 otelcol.auth.basic "credentials" {
   username = "${GREPTIME_USERNAME}"
   password = "${GREPTIME_PASSWORD}"
 }
+
+loki.source.file "greptime" {
+  targets = [
+    {__path__ = "/tmp/foo.txt"},
+  ]
+  forward_to = [otelcol.receiver.loki.greptime.receiver]
+}
+
+otelcol.receiver.loki "greptime" {
+  output {
+    logs = [otelcol.exporter.otlphttp.greptimedb_logs.input]
+  }
+}
\ No newline at end of file
diff --git a/grafana-alloy/docker-compose.yml b/grafana-alloy/docker-compose.yml
index eedaa45..8654dc1 100644
--- a/grafana-alloy/docker-compose.yml
+++ b/grafana-alloy/docker-compose.yml
@@ -11,7 +11,7 @@ services:
     init: true
 
   greptimedb:
-    image: docker.io/greptime/greptimedb:v0.10.0-nightly-20241007
+    image: docker.io/greptime/greptimedb:v0.10.0-nightly-20241104
     command: standalone start --http-addr=0.0.0.0:4000 --rpc-addr=0.0.0.0:4001 --mysql-addr=0.0.0.0:4002 --postgres-addr 0.0.0.0:4003
     ports:
       - 4000:4000
@@ -44,6 +44,7 @@ services:
       - demo-network
     volumes:
       - config:/etc/alloy
+      - ./foo.txt:/tmp/foo.txt
     depends_on:
       envsubst:
         condition: service_completed_successfully