Nginx autoinstrumentation image

.chloggen/1852-nginx-image-v-1-0-3.yaml

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+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: new_component
+
+# The name of the component, or a single word describing the area of concern, (e.g. operator, target allocator, github action)
+component: operator
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Build image with instrumentation library v1.0.3 for Nginx.
+
+# One or more tracking issues related to the change
+issues: [1852]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:

.github/workflows/publish-autoinstrumentation-nginx.yaml

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+name: "Publish Nginx Auto-Instrumentation Image"
+
+on:
+  push:
+    paths:
+      - 'autoinstrumentation/nginx/**'
+      - '.github/workflows/publish-autoinstrumentation-nginx.yaml'
+    branches:
+      - main
+  pull_request:
+    paths:
+      - 'autoinstrumentation/nginx/**'
+      - '.github/workflows/publish-autoinstrumentation-nginx.yaml'
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  publish:
+    runs-on: ubuntu-20.04
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Read version
+        run: echo "VERSION=$(cat autoinstrumentation/nginx/version.txt)" >> $GITHUB_ENV
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ghcr.io/open-telemetry/opentelemetry-operator/autoinstrumentation-nginx
+          tags: |
+            type=match,pattern=v(.*),group=1,value=v${{ env.VERSION }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Cache Docker layers
+        uses: actions/cache@v3
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+
+      - name: Login to GitHub Package Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: autoinstrumentation/nginx
+          platforms: linux/amd64
+          push: ${{ github.event_name == 'push' }}
+          build-args: version=${{ env.VERSION }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache

autoinstrumentation/nginx/Dockerfile

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+
+############################
+# STEP 1 download the webserver agent 
+############################
+FROM alpine:latest as agent
+
+ARG version
+
+RUN mkdir /opt/opentelemetry
+WORKDIR /opt/opentelemetry
+
+RUN wget https://github.com/open-telemetry/opentelemetry-cpp-contrib/releases/download/webserver%2Fv$version/opentelemetry-webserver-sdk-x64-linux.tgz
+RUN mkdir agent
+RUN tar -xvf opentelemetry-webserver-sdk-x64-linux.tgz -C agent
+
+############################
+# STEP 2 build streamlined image
+############################
+FROM alpine:latest
+
+COPY --from=agent /opt/opentelemetry/agent/opentelemetry-webserver-sdk /opt/opentelemetry
+
+RUN chmod a+w /opt/opentelemetry/logs
+
+CMD ["cat", "Just delivering the Opentelemetry Nginx agent"]

autoinstrumentation/nginx/README.md

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+# How to build Nginx auto-instrumentation docker image
+
+To build image for Nginx auto instrumentation, use the following commands
+
+```
+export REPO_NAME="<your-docker-image-repo-name>"
+export IMAGE_NAME_PREFIX="autoinstrumentation-nginx"
+export IMAGE_VERSION=`cat version.txt`
+export IMAGE_NAME=${REPO_NAME}/${IMAGE_NAME_PREFIX}:${IMAGE_VERSION}
+docker build --build-arg version=${IMAGE_VERSION} . -t ${IMAGE_NAME} -t ${REPO_NAME}/${IMAGE_NAME_PREFIX}:latest
+docker push ${IMAGE_NAME} 
+docker push ${REPO_NAME}/${IMAGE_NAME_PREFIX}:latest
+```

autoinstrumentation/nginx/version.txt

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+1.0.3