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netbox-docker
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❇️ Don't build what's already there 

This change introduces an API call to hub.docker.com to check if
the version we're about to build was already built & pushed. This
avoids superfluos builds.
This commit is contained in:
Christian Mäder 2018-01-30 11:22:43 +01:00
parent 57e0c34661
commit 96d414b46d
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GPG Key ID: 92FFD0A711F196BB
1 changed files with 20 additions and 3 deletions
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21
build-latest.sh
View File

@ -1,12 +1,15 @@
#!/bin/bash
URL_RELEASES=https://api.github.com/repos/digitalocean/netbox/releases
ORIGINAL_GITHUB_REPO="digitalocean/netbox"
GITHUB_REPO="${GITHUB_REPO-$ORIGINAL_GITHUB_REPO}"
URL_RELEASES="https://api.github.com/repos/${GITHUB_REPO}/releases"
JQ_LATEST="group_by(.prerelease) | .[] | sort_by(.published_at) | reverse | .[0] | select(.prerelease==${PRERELEASE-false}) | .tag_name"
CURL_OPTS="-s"
CURL="curl ${CURL_OPTS}"
VERSION=$(curl $CURL_OPTS "${URL_RELEASES}" | jq -r "${JQ_LATEST}")
VERSION=$($CURL "${URL_RELEASES}" | jq -r "${JQ_LATEST}")
# Check if the prerelease version is actually higher than stable version
if [ "${PRERELEASE}" == "true" ]; then
@ -25,4 +28,18 @@ if [ "${PRERELEASE}" == "true" ]; then
fi
fi
# Check if that version is not already available on docker hub:
ORIGINAL_DOCKERHUB_REPO="ninech/netbox"
DOCKERHUB_REPO="${DOCKERHUB_REPO-$ORIGINAL_DOCKERHUB_REPO}"
URL_DOCKERHUB_TOKEN="https://auth.docker.io/token?service=registry.docker.io&scope=repository:${DOCKERHUB_REPO}:pull"
BEARER_TOKEN="$($CURL "${URL_DOCKERHUB_TOKEN}" | jq -r .token)"
URL_DOCKERHUB_TAG="https://registry.hub.docker.com/v2/${DOCKERHUB_REPO}/tags/list"
AUTHORIZATION_HEADER="Authorization: Bearer ${BEARER_TOKEN}"
ALREADY_BUILT="$($CURL -H "${AUTHORIZATION_HEADER}" "${URL_DOCKERHUB_TAG}" | jq -e ".tags | any(.==\"${VERSION}\")")"
if [ "$ALREADY_BUILT" == "false" ]; then
./build.sh "${VERSION}" $@
else
echo "✅ ${VERSION} already exists on https://hub.docker.com/r/${DOCKERHUB_REPO}"
fi