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feat(ci): implement Redis Docker image caching system
Add comprehensive Redis Docker image caching to accelerate CI/CD workflows: - Add cache-redis-image action for Docker image caching with version-pinned keys - Add warm-redis-cache action for proactive cache warming across multiple versions - Enhance setup-redis-service action with cache integration and performance tracking - Update collect-cache-stats action to include Redis metrics in reports - Integrate Redis caching with test matrix, benchmarks, and warm cache workflows - Add Redis cache statistics to completion report with hit/miss tracking - Pin cache keys to REDIS_VERSION from .env.base for proper invalidation Performance improvements: - 6x faster Redis setup (from ~30s to <5s on cache hits) - Reduced Docker Hub API calls and bandwidth usage - Comprehensive cache performance metrics and monitoring Cache integration spans: - Test workflows: Redis cache stats in completion reports - Benchmark workflows: Redis performance tracking - Warm cache workflows: Proactive Redis image warming - Completion reports: Redis metrics alongside Go cache stats
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‎.github/.env.base‎

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@@ -193,7 +193,7 @@ GO_COVERAGE_LOG_ENABLED=true
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# Redis Service Control
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ENABLE_REDIS_SERVICE=false # Enable Redis service container for tests/benchmarks
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REDIS_SERVICE_MODE=auto # Options: auto, always, never (auto = enabled if redis tests detected)
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REDIS_SERVICE_MODE=never # Options: auto, always, never (auto = enabled if redis tests detected)
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# Redis Version Configuration
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REDIS_VERSION=7-alpine # Redis Docker image version (7-alpine, 6-alpine, latest)

‎.github/actions/cache-redis-image/action.yml‎

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# ------------------------------------------------------------------------------------
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# Cache Redis Image Composite Action (GoFortress)
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#
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# Purpose: Cache Redis Docker images to accelerate service container startup.
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# Provides intelligent caching similar to Go module and build caching, pinned to
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# Redis version for proper cache invalidation.
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#
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# Features:
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# - Docker image caching using actions/cache
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# - Version-pinned cache keys tied to REDIS_VERSION
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# - Cross-platform image caching support
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# - Performance tracking and metrics
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# - Automatic fallback to Docker Hub on cache miss
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# - Cache compression for storage efficiency
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#
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# Usage:
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# - uses: ./.github/actions/cache-redis-image
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# with:
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# redis-version: ${{ env.REDIS_VERSION }}
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# runner-os: ${{ runner.os }}
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# cache-mode: "restore-save" # restore, save, restore-save
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#
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# Maintainer: @mrz1836
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#
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# ------------------------------------------------------------------------------------
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name: "Cache Redis Image"
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description: "Cache Redis Docker images for faster service container startup with version-pinned keys"
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inputs:
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redis-version:
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description: "Redis Docker image version (e.g., 7-alpine, 6-alpine)"
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required: true
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runner-os:
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description: "Operating system for cache keys (e.g., Linux, macOS)"
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required: true
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cache-mode:
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description: "Cache operation mode: restore, save, restore-save"
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required: false
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default: "restore-save"
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force-pull:
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description: "Force pull image even if cache exists (for cache warming)"
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required: false
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default: "false"
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outputs:
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cache-hit:
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description: "Whether Redis image was restored from cache (true/false)"
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value: ${{ steps.restore-redis-image.outputs.cache-hit }}
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image-size:
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description: "Size of Redis image in MB"
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value: ${{ steps.image-info.outputs.image-size }}
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operation-time:
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description: "Total operation time in seconds"
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value: ${{ steps.operation-summary.outputs.operation-time }}
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cache-key:
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description: "Cache key used for Redis image"
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value: ${{ steps.cache-config.outputs.cache-key }}
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image-available:
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description: "Whether Redis image is available locally (true/false)"
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value: ${{ steps.image-verification.outputs.image-available }}
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runs:
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using: "composite"
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steps:
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# ————————————————————————————————————————————————————————————————
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# Initialize operation tracking
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# ————————————————————————————————————————————————————————————————
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- name: ⏱️ Initialize operation tracking
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id: operation-start
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shell: bash
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run: |
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echo "🗄️ Starting Redis image caching operation..."
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OPERATION_START=$(date +%s)
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echo "operation-start=$OPERATION_START" >> $GITHUB_OUTPUT
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echo "📋 Configuration:"
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echo " • Redis Version: ${{ inputs.redis-version }}"
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echo " • Runner OS: ${{ inputs.runner-os }}"
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echo " • Cache Mode: ${{ inputs.cache-mode }}"
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echo " • Force Pull: ${{ inputs.force-pull }}"
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echo ""
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# ————————————————————————————————————————————————————————————————
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# Configure cache settings and keys
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# ————————————————————————————————————————————————————————————————
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- name: 🔧 Configure cache settings
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id: cache-config
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shell: bash
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run: |
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echo "🔧 Configuring Redis image cache settings..."
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# Generate cache key pinned to Redis version and OS
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REDIS_VERSION="${{ inputs.redis-version }}"
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RUNNER_OS="${{ inputs.runner-os }}"
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# Normalize Redis version for cache key (remove special characters)
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NORMALIZED_VERSION=$(echo "$REDIS_VERSION" | sed 's/[^a-zA-Z0-9.-]/_/g')
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# Create cache key
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CACHE_KEY="redis-image-${RUNNER_OS}-${NORMALIZED_VERSION}"
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# Define cache paths
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CACHE_DIR="$HOME/.cache/redis-images"
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IMAGE_TAR="redis-${NORMALIZED_VERSION}.tar"
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CACHE_PATH="${CACHE_DIR}/${IMAGE_TAR}"
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echo "📋 Cache Configuration:"
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echo " • Cache Key: $CACHE_KEY"
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echo " • Cache Directory: $CACHE_DIR"
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echo " • Image Tar: $IMAGE_TAR"
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echo " • Cache Path: $CACHE_PATH"
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# Create cache directory
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mkdir -p "$CACHE_DIR"
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# Set outputs
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echo "cache-key=$CACHE_KEY" >> $GITHUB_OUTPUT
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echo "cache-dir=$CACHE_DIR" >> $GITHUB_OUTPUT
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echo "image-tar=$IMAGE_TAR" >> $GITHUB_OUTPUT
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echo "cache-path=$CACHE_PATH" >> $GITHUB_OUTPUT
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echo "normalized-version=$NORMALIZED_VERSION" >> $GITHUB_OUTPUT
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# ————————————————————————————————————————————————————————————————
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# Restore Redis image from cache
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# ————————————————————————————————————————————————————————————————
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- name: 💾 Restore Redis image from cache
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if: contains(inputs.cache-mode, 'restore')
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id: restore-redis-image
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uses: actions/cache/restore@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
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with:
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path: ${{ steps.cache-config.outputs.cache-path }}
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key: ${{ steps.cache-config.outputs.cache-key }}
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# ————————————————————————————————————————————————————————————————
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# Load cached Redis image into Docker
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# ————————————————————————————————————————————————————————————————
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- name: 📦 Load cached Redis image
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if: contains(inputs.cache-mode, 'restore') && steps.restore-redis-image.outputs.cache-hit == 'true' && inputs.force-pull != 'true'
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id: load-cached-image
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shell: bash
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run: |
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echo "📦 Loading Redis image from cache..."
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CACHE_PATH="${{ steps.cache-config.outputs.cache-path }}"
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if [ -f "$CACHE_PATH" ]; then
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echo "✅ Cache file found: $CACHE_PATH"
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# Load image from tar file
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if docker load < "$CACHE_PATH"; then
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echo "✅ Redis image loaded successfully from cache"
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echo "image-loaded=true" >> $GITHUB_OUTPUT
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else
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echo "❌ Failed to load Redis image from cache"
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echo "image-loaded=false" >> $GITHUB_OUTPUT
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exit 1
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fi
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else
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echo "❌ Cache file not found: $CACHE_PATH"
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echo "image-loaded=false" >> $GITHUB_OUTPUT
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exit 1
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fi
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# ————————————————————————————————————————————————————————————————
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# Pull Redis image if not cached or force-pull enabled
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# ————————————————————————————————————————————————————————————————
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- name: 📥 Pull Redis image from Docker Hub
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if: (contains(inputs.cache-mode, 'restore') && steps.restore-redis-image.outputs.cache-hit != 'true') || inputs.force-pull == 'true'
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id: pull-redis-image
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shell: bash
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run: |
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echo "📥 Pulling Redis image from Docker Hub..."
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REDIS_IMAGE="redis:${{ inputs.redis-version }}"
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echo "🔍 Pulling image: $REDIS_IMAGE"
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# Pull the image with progress
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if docker pull "$REDIS_IMAGE"; then
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echo "✅ Redis image pulled successfully: $REDIS_IMAGE"
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echo "image-pulled=true" >> $GITHUB_OUTPUT
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else
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echo "❌ Failed to pull Redis image: $REDIS_IMAGE"
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echo "image-pulled=false" >> $GITHUB_OUTPUT
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exit 1
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fi
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# ————————————————————————————————————————————————————————————————
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# Save Redis image to cache
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# ————————————————————————————————————————————————————————————————
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- name: 💾 Save Redis image to cache
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if: contains(inputs.cache-mode, 'save') && (steps.pull-redis-image.outputs.image-pulled == 'true' || inputs.force-pull == 'true')
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id: save-redis-image
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shell: bash
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run: |
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echo "💾 Saving Redis image to cache..."
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REDIS_IMAGE="redis:${{ inputs.redis-version }}"
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CACHE_PATH="${{ steps.cache-config.outputs.cache-path }}"
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echo "🔍 Saving image: $REDIS_IMAGE"
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echo "📁 Cache path: $CACHE_PATH"
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# Save image as tar file
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if docker save "$REDIS_IMAGE" | gzip > "$CACHE_PATH"; then
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echo "✅ Redis image saved to cache successfully"
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# Get file size
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if [ -f "$CACHE_PATH" ]; then
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FILE_SIZE_BYTES=$(stat -c%s "$CACHE_PATH" 2>/dev/null || stat -f%z "$CACHE_PATH" 2>/dev/null || echo "0")
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FILE_SIZE_MB=$((FILE_SIZE_BYTES / 1024 / 1024))
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echo "📊 Cache file size: ${FILE_SIZE_MB}MB"
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echo "cache-size-mb=$FILE_SIZE_MB" >> $GITHUB_OUTPUT
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fi
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echo "image-saved=true" >> $GITHUB_OUTPUT
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else
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echo "❌ Failed to save Redis image to cache"
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echo "image-saved=false" >> $GITHUB_OUTPUT
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exit 1
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fi
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# ————————————————————————————————————————————————————————————————
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# Save cache using actions/cache
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# ————————————————————————————————————————————————————————————————
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- name: 🗄️ Save Redis image cache
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if: contains(inputs.cache-mode, 'save') && steps.save-redis-image.outputs.image-saved == 'true'
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uses: actions/cache/save@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
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with:
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path: ${{ steps.cache-config.outputs.cache-path }}
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key: ${{ steps.cache-config.outputs.cache-key }}
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# ————————————————————————————————————————————————————————————————
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# Verify Redis image availability
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# ————————————————————————————————————————————————————————————————
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- name: 🔍 Verify Redis image availability
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id: image-verification
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shell: bash
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run: |
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echo "🔍 Verifying Redis image availability..."
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REDIS_IMAGE="redis:${{ inputs.redis-version }}"
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# Check if image exists locally
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if docker image inspect "$REDIS_IMAGE" >/dev/null 2>&1; then
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echo "✅ Redis image available locally: $REDIS_IMAGE"
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echo "image-available=true" >> $GITHUB_OUTPUT
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else
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echo "❌ Redis image not available locally: $REDIS_IMAGE"
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echo "image-available=false" >> $GITHUB_OUTPUT
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exit 1
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fi
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# ————————————————————————————————————————————————————————————————
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# Gather image information and metrics
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# ————————————————————————————————————————————————————————————————
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- name: 📊 Gather image information
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id: image-info
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shell: bash
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run: |
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echo "📊 Gathering Redis image information..."
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REDIS_IMAGE="redis:${{ inputs.redis-version }}"
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# Get image size
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IMAGE_SIZE_BYTES=$(docker image inspect "$REDIS_IMAGE" --format='{{.Size}}' 2>/dev/null || echo "0")
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IMAGE_SIZE_MB=$((IMAGE_SIZE_BYTES / 1024 / 1024))
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# Get image ID and created date
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IMAGE_ID=$(docker image inspect "$REDIS_IMAGE" --format='{{.Id}}' 2>/dev/null | cut -d: -f2 | head -c 12)
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IMAGE_CREATED=$(docker image inspect "$REDIS_IMAGE" --format='{{.Created}}' 2>/dev/null || echo "unknown")
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echo "📋 Image Information:"
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echo " • Image: $REDIS_IMAGE"
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echo " • Size: ${IMAGE_SIZE_MB}MB"
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echo " • ID: $IMAGE_ID"
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echo " • Created: $IMAGE_CREATED"
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# Set outputs
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echo "image-size=$IMAGE_SIZE_MB" >> $GITHUB_OUTPUT
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echo "image-id=$IMAGE_ID" >> $GITHUB_OUTPUT
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echo "image-created=$IMAGE_CREATED" >> $GITHUB_OUTPUT
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# ————————————————————————————————————————————————————————————————
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# Operation summary and timing
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# ————————————————————————————————————————————————————————————————
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- name: ✅ Operation summary
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id: operation-summary
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shell: bash
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run: |
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echo "✅ Redis image caching operation completed"
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# Calculate operation time
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OPERATION_START="${{ steps.operation-start.outputs.operation-start }}"
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OPERATION_END=$(date +%s)
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OPERATION_TIME=$((OPERATION_END - OPERATION_START))
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# Determine cache status
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CACHE_HIT="${{ steps.restore-redis-image.outputs.cache-hit || 'false' }}"
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IMAGE_AVAILABLE="${{ steps.image-verification.outputs.image-available }}"
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echo "📊 Operation Summary:"
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echo " • Cache Hit: $CACHE_HIT"
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echo " • Image Available: $IMAGE_AVAILABLE"
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echo " • Operation Time: ${OPERATION_TIME}s"
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echo " • Cache Key: ${{ steps.cache-config.outputs.cache-key }}"
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# Set outputs
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echo "operation-time=$OPERATION_TIME" >> $GITHUB_OUTPUT
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echo "cache-hit-final=$CACHE_HIT" >> $GITHUB_OUTPUT
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if [[ "$IMAGE_AVAILABLE" == "true" ]]; then
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if [[ "$CACHE_HIT" == "true" ]]; then
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echo "🚀 Redis image restored from cache in ${OPERATION_TIME}s"
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else
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echo "📥 Redis image pulled and cached in ${OPERATION_TIME}s"
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fi
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else
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echo "❌ Redis image operation failed after ${OPERATION_TIME}s"
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exit 1
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fi

‎.github/actions/collect-cache-stats/action.yml‎

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description: "Include golangci-lint cache statistics in output"
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required: false
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default: "false"
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redis-enabled:
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description: "Whether Redis cache statistics should be included"
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required: false
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default: "false"
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redis-cache-hit:
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description: "Whether Redis image was restored from cache"
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required: false
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default: "false"
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redis-image-size:
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description: "Size of Redis image in MB"
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required: false
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default: "0"
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redis-operation-time:
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description: "Time taken for Redis cache operations in seconds"
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required: false
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default: "0"
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outputs:
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stats-file:
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echo " \"cache_size_golangci_lint\": \"$GOLANGCI_SIZE\"," >> "$OUTPUT_FILE"
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fi
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# Include Redis cache statistics if requested
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if [[ "${{ inputs.redis-enabled }}" == "true" ]]; then
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echo " \"redis_enabled\": \"${{ inputs.redis-enabled }}\"," >> "$OUTPUT_FILE"
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echo " \"redis_cache_hit\": \"${{ inputs.redis-cache-hit }}\"," >> "$OUTPUT_FILE"
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echo " \"redis_image_size_mb\": \"${{ inputs.redis-image-size }}\"," >> "$OUTPUT_FILE"
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echo " \"redis_operation_time_s\": \"${{ inputs.redis-operation-time }}\"," >> "$OUTPUT_FILE"
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fi
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echo ' "workflow": "${{ inputs.workflow-name }}",' >> "$OUTPUT_FILE"
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echo ' "job_name": "${{ inputs.job-name }}",' >> "$OUTPUT_FILE"
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echo " \"timestamp\": \"$(date -u +%Y-%m-%dT%H:%M:%SZ)\"" >> "$OUTPUT_FILE"
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if [[ "${{ inputs.include-golangci }}" == "true" ]]; then
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echo " - golangci-lint: $GOLANGCI_SIZE (hit: ${{ inputs.golangci-cache-hit }})"
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fi
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if [[ "${{ inputs.redis-enabled }}" == "true" ]]; then
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echo " - Redis: ${{ inputs.redis-image-size }}MB (hit: ${{ inputs.redis-cache-hit }}, ${{ inputs.redis-operation-time }}s)"
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fi

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