Graham McIntire
2386f0d5a5
Alpine 3.23 ships net-snmp 5.9.4 which has segfault bugs in varbind construction and buffer overflows in octet string handling. Version 5.9.5.2 fixes these issues. Adds a pre-built base image (Dockerfile.netsnmp) compiled from source so the net-snmp build doesn't run on every agent deploy. The base image is built separately via the netsnmp-base workflow and referenced in the main Dockerfile.
99 lines
2.9 KiB
YAML
99 lines
2.9 KiB
YAML
# Builds the net-snmp base image used by the agent Dockerfile.
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# Only needs to run when the net-snmp version changes.
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#
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# Trigger manually or on changes to Dockerfile.netsnmp.
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name: Build net-snmp base image
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on:
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push:
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branches: [main]
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paths: [Dockerfile.netsnmp]
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workflow_dispatch:
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inputs:
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netsnmp_version:
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description: "Net-SNMP version to build"
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default: "5.9.5.2"
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required: true
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env:
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REGISTRY: ghcr.io
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IMAGE_NAME: towerops-app/netsnmp-alpine
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jobs:
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build:
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name: Build (${{ matrix.arch }})
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runs-on: ${{ matrix.runner }}
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permissions:
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contents: read
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packages: write
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strategy:
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fail-fast: false
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matrix:
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include:
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- platform: linux/amd64
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arch: amd64
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runner: blacksmith-4vcpu-ubuntu-2404
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- platform: linux/arm64
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arch: arm64
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runner: blacksmith-4vcpu-ubuntu-2404-arm
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Setup Blacksmith Builder
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uses: useblacksmith/setup-docker-builder@v1
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- name: Log in to GitHub Container Registry
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uses: docker/login-action@v3
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with:
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registry: ${{ env.REGISTRY }}
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Build and push
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uses: useblacksmith/build-push-action@v2
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with:
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context: .
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file: Dockerfile.netsnmp
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platforms: ${{ matrix.platform }}
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push: true
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provenance: false
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build-args: |
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NETSNMP_VERSION=${{ inputs.netsnmp_version || '5.9.5.2' }}
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tags: |
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${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ inputs.netsnmp_version || '5.9.5.2' }}-${{ matrix.arch }}
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manifest:
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name: Create Manifest
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needs: build
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runs-on: blacksmith-4vcpu-ubuntu-2404
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permissions:
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contents: read
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packages: write
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steps:
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- name: Log in to GitHub Container Registry
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uses: docker/login-action@v3
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with:
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registry: ${{ env.REGISTRY }}
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Create multi-arch manifest
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run: |
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VERSION="${{ inputs.netsnmp_version || '5.9.5.2' }}"
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IMAGE="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}"
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docker buildx imagetools create -t ${IMAGE}:${VERSION} \
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${IMAGE}:${VERSION}-amd64 \
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${IMAGE}:${VERSION}-arm64
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docker buildx imagetools create -t ${IMAGE}:latest \
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${IMAGE}:${VERSION}-amd64 \
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${IMAGE}:${VERSION}-arm64
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- name: Summary
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run: |
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echo "### net-snmp base image built" >> $GITHUB_STEP_SUMMARY
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echo "Version: ${{ inputs.netsnmp_version || '5.9.5.2' }}" >> $GITHUB_STEP_SUMMARY
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echo "Image: \`${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ inputs.netsnmp_version || '5.9.5.2' }}\`" >> $GITHUB_STEP_SUMMARY
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