Files
bakery-ia/infrastructure/cicd/tekton-helm/templates/task-kaniko-build.yaml
2026-01-23 06:08:12 +01:00

257 lines
10 KiB
YAML

# Tekton Kaniko Build Task for Bakery-IA CI/CD
# This task builds and pushes container images using Kaniko
# Supports environment-configurable base images via build-args
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
name: kaniko-build
namespace: {{ .Release.Namespace }}
labels:
app.kubernetes.io/name: {{ .Values.labels.app.name }}
app.kubernetes.io/component: build
spec:
workspaces:
- name: source
description: Workspace containing the source code
- name: docker-credentials
description: Docker registry credentials
params:
- name: services
type: string
description: Comma-separated list of services to build
- name: registry
type: string
description: Container registry URL for pushing built images
- name: git-revision
type: string
description: Git revision to tag images with
- name: base-registry
type: string
description: Base image registry URL (e.g., docker.io, ghcr.io/org)
default: "registry.bakewise.ai/bakery-admin"
- name: python-image
type: string
description: Python base image name and tag
default: "python_3.11-slim"
results:
- name: build-status
description: Status of the build operation
steps:
- name: build-and-push
image: gcr.io/kaniko-project/executor:v1.15.0-debug
# Note: Kaniko requires root to unpack image layers and perform chown operations
# This is a known requirement for container image building
securityContext:
runAsNonRoot: false
runAsUser: 0
allowPrivilegeEscalation: false
seccompProfile:
type: RuntimeDefault
env:
- name: DOCKER_CONFIG
value: /tekton/home/.docker
script: |
#!/busybox/sh
set -e
# Set up Docker credentials from workspace
DOCKER_CREDS_PATH="$(workspaces.docker-credentials.path)"
echo "Setting up Docker credentials from: $DOCKER_CREDS_PATH"
mkdir -p /tekton/home/.docker
if [ -f "$DOCKER_CREDS_PATH/config.json" ]; then
cp "$DOCKER_CREDS_PATH/config.json" /tekton/home/.docker/config.json
echo "Docker config.json copied successfully"
elif [ -f "$DOCKER_CREDS_PATH/.dockerconfigjson" ]; then
cp "$DOCKER_CREDS_PATH/.dockerconfigjson" /tekton/home/.docker/config.json
echo "Docker .dockerconfigjson copied successfully"
else
echo "Warning: No docker credentials found in workspace"
ls -la "$DOCKER_CREDS_PATH/" || echo "Cannot list docker-credentials workspace"
fi
echo "==================================================================="
echo "Kaniko Build Configuration"
echo "==================================================================="
echo "Target Registry: $(params.registry)"
echo "Base Registry: $(params.base-registry)"
echo "Python Image: $(params.python-image)"
echo "Git Revision: $(params.git-revision)"
echo "Services param: $(params.services)"
echo "==================================================================="
# Trim whitespace and newlines from services param
SERVICES_PARAM=$(echo "$(params.services)" | tr -d '\n' | tr -d ' ')
WORKSPACE="$(workspaces.source.path)"
echo "Trimmed services param: '$SERVICES_PARAM'"
# Handle special cases for service discovery
# "all" = all services + gateway + frontend
# "services-and-gateway" = all services + gateway (no frontend) - used when shared/ changes
if [ "$SERVICES_PARAM" = "all" ] || [ "$SERVICES_PARAM" = "services-and-gateway" ]; then
if [ "$SERVICES_PARAM" = "all" ]; then
echo "Building all services (including frontend) - discovering from workspace..."
else
echo "Building services and gateway (shared/ changed) - discovering from workspace..."
fi
echo "Workspace contents:"
ls -la "$WORKSPACE/"
echo "Services directory contents:"
ls -la "$WORKSPACE/services/" || echo "No services directory"
SERVICES=""
# Find all services with Dockerfiles using ls
if [ -d "$WORKSPACE/services" ]; then
for svc_name in $(ls "$WORKSPACE/services/"); do
if [ -f "$WORKSPACE/services/$svc_name/Dockerfile" ]; then
if [ -z "$SERVICES" ]; then
SERVICES="$svc_name"
else
SERVICES="$SERVICES,$svc_name"
fi
fi
done
fi
# Add gateway if it has Dockerfile
if [ -f "$WORKSPACE/gateway/Dockerfile" ]; then
if [ -z "$SERVICES" ]; then
SERVICES="gateway"
else
SERVICES="$SERVICES,gateway"
fi
fi
# Add frontend ONLY for "all" (not for "services-and-gateway")
if [ "$SERVICES_PARAM" = "all" ] && [ -f "$WORKSPACE/frontend/Dockerfile.kubernetes" ]; then
if [ -z "$SERVICES" ]; then
SERVICES="frontend"
else
SERVICES="$SERVICES,frontend"
fi
fi
echo "Discovered services: $SERVICES"
else
SERVICES="$SERVICES_PARAM"
fi
# Build each service SEQUENTIALLY to avoid registry upload conflicts
# Track build results using files (variables don't persist across subshells)
# Note: Use /tekton/home instead of /tmp as Kaniko container doesn't have /tmp
BUILD_STATUS_FILE="/tekton/home/build_status"
echo "0" > "$BUILD_STATUS_FILE.success"
echo "0" > "$BUILD_STATUS_FILE.failed"
echo "" > "$BUILD_STATUS_FILE.failed_services"
# Convert comma-separated to newline-separated and iterate
# Using for loop instead of pipe to avoid subshell issues
SERVICES_LIST=$(echo "$SERVICES" | tr ',' ' ')
for service in $SERVICES_LIST; do
service=$(echo "$service" | tr -d ' ') # Trim whitespace
if [ -n "$service" ] && [ "$service" != "none" ] && [ "$service" != "infrastructure" ] && [ "$service" != "shared" ]; then
echo ""
echo "==================================================================="
echo "Building service: $service"
echo "==================================================================="
# Determine Dockerfile path (services vs gateway vs frontend)
if [ "$service" = "gateway" ]; then
DOCKERFILE_PATH="$WORKSPACE/gateway/Dockerfile"
elif [ "$service" = "frontend" ]; then
DOCKERFILE_PATH="$WORKSPACE/frontend/Dockerfile.kubernetes"
else
DOCKERFILE_PATH="$WORKSPACE/services/$service/Dockerfile"
fi
# Check if Dockerfile exists
if [ ! -f "$DOCKERFILE_PATH" ]; then
echo "Warning: Dockerfile not found at $DOCKERFILE_PATH, skipping..."
continue
fi
# Build with retry logic to handle transient registry errors
RETRY_COUNT=0
MAX_RETRIES=2
BUILD_SUCCESS=false
while [ "$RETRY_COUNT" -le "$MAX_RETRIES" ] && [ "$BUILD_SUCCESS" = "false" ]; do
if [ "$RETRY_COUNT" -gt 0 ]; then
echo "Retry $RETRY_COUNT/$MAX_RETRIES for $service..."
# Wait before retry to let registry recover
sleep 10
fi
if /kaniko/executor \
--dockerfile="$DOCKERFILE_PATH" \
--destination="$(params.registry)/$service:$(params.git-revision)" \
--context="$WORKSPACE" \
--build-arg="BASE_REGISTRY=$(params.base-registry)" \
--build-arg="PYTHON_IMAGE=$(params.python-image)" \
--cache=true \
--cache-repo="$(params.registry)/cache" \
--cache-ttl=168h \
--push-retry=3 \
--image-fs-extract-retry=3; then
BUILD_SUCCESS=true
echo "Successfully built and pushed: $(params.registry)/$service:$(params.git-revision)"
# Increment success count
COUNT=$(cat "$BUILD_STATUS_FILE.success")
echo $((COUNT + 1)) > "$BUILD_STATUS_FILE.success"
else
RETRY_COUNT=$((RETRY_COUNT + 1))
echo "Build/push failed for $service (attempt $RETRY_COUNT)"
fi
done
if [ "$BUILD_SUCCESS" = "false" ]; then
echo "ERROR: Failed to build $service after $MAX_RETRIES retries"
# Increment failed count and record service name
COUNT=$(cat "$BUILD_STATUS_FILE.failed")
echo $((COUNT + 1)) > "$BUILD_STATUS_FILE.failed"
echo "$service" >> "$BUILD_STATUS_FILE.failed_services"
fi
# Small delay between services to let registry settle
# This prevents "offset mismatch" errors from concurrent uploads
echo "Waiting 5s before next build to let registry settle..."
sleep 5
fi
done
# Read final counts
SUCCESS_COUNT=$(cat "$BUILD_STATUS_FILE.success")
FAILED_COUNT=$(cat "$BUILD_STATUS_FILE.failed")
FAILED_SERVICES=$(cat "$BUILD_STATUS_FILE.failed_services" | tr '\n' ',' | sed 's/,$//')
echo ""
echo "==================================================================="
echo "Build Summary"
echo "==================================================================="
echo "Successful builds: $SUCCESS_COUNT"
echo "Failed builds: $FAILED_COUNT"
if [ -n "$FAILED_SERVICES" ]; then
echo "Failed services: $FAILED_SERVICES"
fi
echo "==================================================================="
# Set result based on outcome
if [ "$FAILED_COUNT" -gt 0 ]; then
if [ "$SUCCESS_COUNT" -gt 0 ]; then
echo "partial" > $(results.build-status.path)
echo "Build completed with some failures"
else
echo "failed" > $(results.build-status.path)
echo "All builds failed!"
exit 1
fi
else
echo "success" > $(results.build-status.path)
echo "All builds completed successfully!"
fi
resources:
limits:
cpu: 2000m
memory: 4Gi
requests:
cpu: 500m
memory: 1Gi