[chore] Move build args to .env file (open-telemetry#1767)

* Move build args to .env file

* Try different approach

* Try individual value

* explicitly export to $GITHUB_ENV

* test each step

* Remove if

* explicitly export to $GITHUB_ENV no if

* single build arg

* Persist env vars across steps

* check if .env is accessible

* Load whole .env file

* Move current build args to .env file

* changelog

* fix indentation

Author: julianocosta89

.env

@@ -5,18 +5,22 @@ IMAGE_VERSION=1.12.0
 IMAGE_NAME=ghcr.io/open-telemetry/demo
 DEMO_VERSION=latest
 
+# Build Args
+TRACETEST_IMAGE_VERSION=v1.5.2
+OTEL_JAVA_AGENT_VERSION=2.9.0
+OPENTELEMETRY_CPP_VERSION=1.17.0
+
 # Dependent images
 COLLECTOR_CONTRIB_IMAGE=otel/opentelemetry-collector-contrib:0.108.0
 FLAGD_IMAGE=ghcr.io/open-feature/flagd:v0.11.2
 GRAFANA_IMAGE=grafana/grafana:11.3.0
 JAEGERTRACING_IMAGE=jaegertracing/all-in-one:1.60
-# must also update version field in
+# must also update version field in src/grafana/provisioning/datasources/opensearch.yaml
 OPENSEARCH_IMAGE=opensearchproject/opensearch:2.17.1
 POSTGRES_IMAGE=postgres:16.4
 PROMETHEUS_IMAGE=quay.io/prometheus/prometheus:v2.54.1
 VALKEY_IMAGE=valkey/valkey:8.0-alpine
-# must also update the version arg in ./test/tracetesting/Dockerfile
-TRACETEST_IMAGE=kubeshop/tracetest:v1.5.2
+TRACETEST_IMAGE=kubeshop/tracetest:${TRACETEST_IMAGE_VERSION}
 
 # Demo Platform
 ENV_PLATFORM=local

.github/workflows/component-build-images.yml

@@ -124,6 +124,17 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+      - name: Load environment variables from .env file
+        run: |
+          if [ -f .env ]; then
+            # Filter out comments and empty lines, then add each variable to $GITHUB_ENV
+            grep -vE '^\s*#|^\s*$' .env | while read -r line; do
+              echo "$line" >> $GITHUB_ENV
+            done
+          else
+            echo ".env file not found!"
+            exit 1
+          fi
       - name: Check for changes and set push options
         id: check_changes
         run: |
@@ -172,6 +183,10 @@ jobs:
           file: ${{ matrix.file_tag.file }}
           platforms: linux/amd64,linux/arm64
           push: ${{ inputs.push }}
+          build-args: |
+            OTEL_JAVA_AGENT_VERSION=${{ env.OTEL_JAVA_AGENT_VERSION }}
+            OPENTELEMETRY_CPP_VERSION=${{ env.OPENTELEMETRY_CPP_VERSION }}
+            TRACETEST_IMAGE_VERSION=${{ env.TRACETEST_IMAGE_VERSION }}
           tags: |
             ${{ inputs.dockerhub_repo }}:${{ inputs.version }}-${{matrix.file_tag.tag_suffix }}
             ${{ inputs.dockerhub_repo }}:latest-${{matrix.file_tag.tag_suffix }}

CHANGELOG.md

@@ -9,6 +9,8 @@ the release.
 
 * [grafana] Update grafana to 11.3.0
   ([#1764](https://github.com/open-telemetry/opentelemetry-demo/pull/1764))
+* [chore] Move build args to .env file
+  ([#1767](https://github.com/open-telemetry/opentelemetry-demo/pull/1767))
 
 ## 1.12.0
 

docker-compose-tests.yml

@@ -34,6 +34,8 @@ services:
     build:
       context: ./
       dockerfile: ./test/tracetesting/Dockerfile
+      args:
+        TRACETEST_IMAGE_VERSION: ${TRACETEST_IMAGE_VERSION}
     environment:
       - AD_SERVICE_ADDR
       - CART_SERVICE_ADDR

docker-compose.minimal.yml

@@ -27,6 +27,8 @@ services:
       dockerfile: ${AD_SERVICE_DOCKERFILE}
       cache_from:
         - ${IMAGE_NAME}:${IMAGE_VERSION}-adservice
+      args:
+        OTEL_JAVA_AGENT_VERSION: ${OTEL_JAVA_AGENT_VERSION}
     deploy:
       resources:
         limits:
@@ -133,6 +135,8 @@ services:
       dockerfile: ${CURRENCY_SERVICE_DOCKERFILE}
       cache_from:
         - ${IMAGE_NAME}:${IMAGE_VERSION}-currencyservice
+      args:
+        OPENTELEMETRY_CPP_VERSION: ${OPENTELEMETRY_CPP_VERSION}
     deploy:
       resources:
         limits:

docker-compose.yml

@@ -53,6 +53,8 @@ services:
       dockerfile: ${AD_SERVICE_DOCKERFILE}
       cache_from:
         - ${IMAGE_NAME}:${IMAGE_VERSION}-adservice
+      args:
+        OTEL_JAVA_AGENT_VERSION: ${OTEL_JAVA_AGENT_VERSION}
     deploy:
       resources:
         limits:
@@ -171,6 +173,8 @@ services:
       dockerfile: ${CURRENCY_SERVICE_DOCKERFILE}
       cache_from:
         - ${IMAGE_NAME}:${IMAGE_VERSION}-currencyservice
+      args:
+        OPENTELEMETRY_CPP_VERSION: ${OPENTELEMETRY_CPP_VERSION}
     deploy:
       resources:
         limits:
@@ -224,6 +228,8 @@ services:
       dockerfile: ${FRAUD_SERVICE_DOCKERFILE}
       cache_from:
         - ${IMAGE_NAME}:${IMAGE_VERSION}-frauddetectionservice
+      args:
+        OTEL_JAVA_AGENT_VERSION: ${OTEL_JAVA_AGENT_VERSION}
     deploy:
       resources:
         limits:
@@ -637,6 +643,8 @@ services:
       dockerfile: ${KAFKA_SERVICE_DOCKERFILE}
       cache_from:
         - ${IMAGE_NAME}:${IMAGE_VERSION}-kafka
+      args:
+        OTEL_JAVA_AGENT_VERSION: ${OTEL_JAVA_AGENT_VERSION}
     deploy:
       resources:
         limits:

src/adservice/Dockerfile

@@ -20,11 +20,11 @@ RUN ./gradlew installDist -PprotoSourceDir=./proto
 
 FROM eclipse-temurin:21-jre
 
-ARG version=2.6.0
+ARG OTEL_JAVA_AGENT_VERSION
 WORKDIR /usr/src/app/
 
 COPY --from=builder /usr/src/app/ ./
-ADD --chmod=644 https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v$version/opentelemetry-javaagent.jar /usr/src/app/opentelemetry-javaagent.jar
+ADD --chmod=644 https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v$OTEL_JAVA_AGENT_VERSION/opentelemetry-javaagent.jar /usr/src/app/opentelemetry-javaagent.jar
 ENV JAVA_TOOL_OPTIONS=-javaagent:/usr/src/app/opentelemetry-javaagent.jar
 
 EXPOSE ${AD_SERVICE_PORT}

src/currencyservice/Dockerfile

@@ -18,7 +18,7 @@ FROM alpine:3.18 as builder
 
 RUN apk update && apk add git cmake make g++ grpc-dev protobuf-dev linux-headers
 
-ARG OPENTELEMETRY_CPP_VERSION=1.15.0
+ARG OPENTELEMETRY_CPP_VERSION
 
 RUN git clone https://github.com/open-telemetry/opentelemetry-cpp \
 	  && cd opentelemetry-cpp/ \

src/frauddetectionservice/Dockerfile

@@ -14,11 +14,11 @@ RUN gradle shadowJar
 
 FROM gcr.io/distroless/java17-debian11
 
-ARG version=2.4.0
+ARG OTEL_JAVA_AGENT_VERSION
 WORKDIR /usr/src/app/
 
 COPY --from=builder /usr/src/app/build/libs/frauddetectionservice-1.0-all.jar ./
-ADD --chmod=644 https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v$version/opentelemetry-javaagent.jar /app/opentelemetry-javaagent.jar
+ADD --chmod=644 https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v$OTEL_JAVA_AGENT_VERSION/opentelemetry-javaagent.jar /app/opentelemetry-javaagent.jar
 ENV JAVA_TOOL_OPTIONS=-javaagent:/app/opentelemetry-javaagent.jar
 
 ENTRYPOINT [ "java", "-jar", "frauddetectionservice-1.0-all.jar" ]

src/kafka/Dockerfile

@@ -5,11 +5,11 @@
 FROM apache/kafka:3.7.0
 
 USER root
-ARG version=2.4.0
+ARG OTEL_JAVA_AGENT_VERSION
 
 USER appuser
 
-ADD --chown=appuser:appuser https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v$version/opentelemetry-javaagent.jar /tmp/opentelemetry-javaagent.jar
+ADD --chown=appuser:appuser https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v$OTEL_JAVA_AGENT_VERSION/opentelemetry-javaagent.jar /tmp/opentelemetry-javaagent.jar
 
 ENV KAFKA_LISTENERS=PLAINTEXT://0.0.0.0:9092,CONTROLLER://0.0.0.0:9093
 ENV KAFKA_CONTROLLER_QUORUM_VOTERS='[email protected]:9093'