Merge pull request #7 from CroffZ/main

Add appinsights java agent setup init container image

Author: CroffZ

app-insights-java-agent-setup/Dockerfile

@@ -0,0 +1,15 @@
+# Prerequisites:
+# 1. Shared volume mounted to /java-agent in both init-container and app container
+# 2. Environment variable CONNECTION_STRING in init container set to the Application Insights connection string
+
+FROM mcr.microsoft.com/cbl-mariner/base/core:2.0
+
+ARG version="3.5.4"
+
+RUN tdnf update -y && tdnf install -y curl ca-certificates
+
+RUN curl -L "https://github.com/microsoft/ApplicationInsights-Java/releases/download/${version}/applicationinsights-agent-${version}.jar" > agent.jar
+
+ADD setup.sh /setup.sh
+
+ENTRYPOINT ["/bin/sh", "setup.sh"]

app-insights-java-agent-setup/setup.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+if [[ -z "$CONNECTION_STRING" ]]; then
+  echo "Environment variable CONNECTION_STRING is not found. Exiting..."
+  exit 1
+else
+  echo "{\"connectionString\": \"$CONNECTION_STRING\"}" > /java-agent/applicationinsights.json
+  cp agent.jar /java-agent/agent.jar
+fi