Build and Push Container Images #8

	name: Build and Push Container Images

	on:
	push:
	branches:
	- main
	- release-**
	tags:
	- v*

	env:
	REGISTRY: ghcr.io
	REGISTRY_USER: ${{ github.repository_owner }}
	REGISTRY_PATH: ${{ github.repository }}

	jobs:
	build-and-publish-images:
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read

	steps:
	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Build images
	run: make images

	- name: Log in to registry
	run: \|
	echo "${{ secrets.GITHUB_TOKEN }}" \| \
	docker login ${{ env.REGISTRY }} -u ${{ env.REGISTRY_USER }} --password-stdin

	- name: Push images
	run: \|
	GITREF=${{ github.ref }}
	IMAGE_LOCATION=${{ env.REGISTRY }}/${{ env.REGISTRY_PATH }}
	cd build/images
	for tarball in *.tar; do
	echo "- Publishing image for tarball $tarball..."
	docker load -i $tarball
	img=${tarball#nri-}; img=${img%-image*}
	sha=${tarball##*-image-}; sha=${sha%.tar}
	echo " - image: $img"
	echo " - digest: $sha"
	echo " - digging out tag from git ref $GITREF..."
	case $GITREF in
	refs/tags/v*)
	tag="${GITREF#refs/tags/v}"
	;;
	refs/heads/main)
	tag=unstable
	;;
	refs/heads/release-*)
	tag="${GITREF#refs/heads/release-}-unstable"
	;;
	*)
	echo "error: can't determine tag."
	exit 1
	;;
	esac
	echo " - tag: $tag"
	docker tag $sha $IMAGE_LOCATION/nri-$img:$tag
	docker push $IMAGE_LOCATION/nri-$img:$tag
	done

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