laradock/jenkins/publish.sh

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#!/bin/bash -eu
# Publish any versions of the docker image not yet pushed to jenkinsci/jenkins
# Arguments:
# -n dry run, do not build or publish images
set -o pipefail
sort-versions() {
if [ "$(uname)" == 'Darwin' ]; then
gsort --version-sort
else
sort --version-sort
fi
}
# Try tagging with and without -f to support all versions of docker
docker-tag() {
local from="jenkinsci/jenkins:$1"
local to="jenkinsci/jenkins:$2"
local out
if out=$(docker tag -f "$from" "$to" 2>&1); then
echo "$out"
else
docker tag "$from" "$to"
fi
}
get-variant() {
local branch
branch=$(git show-ref | grep $(git rev-list -n 1 HEAD) | tail -1 | rev | cut -d/ -f 1 | rev)
if [ -z "$branch" ]; then
>&2 echo "Could not get the current branch name for commit, not in a branch?: $(git rev-list -n 1 HEAD)"
return 1
fi
case "$branch" in
master) echo "" ;;
*) echo "-${branch}" ;;
esac
}
login-token() {
# could use jq .token
curl -q -sSL https://auth.docker.io/token\?service\=registry.docker.io\&scope\=repository:jenkinsci/jenkins:pull | grep -o '"token":"[^"]*"' | cut -d':' -f 2 | xargs echo
}
is-published() {
get-manifest "$1" &> /dev/null
}
get-manifest() {
local tag=$1
curl -q -fsSL -H "Accept: application/vnd.docker.distribution.manifest.v2+json" -H "Authorization: Bearer $TOKEN" "https://index.docker.io/v2/jenkinsci/jenkins/manifests/$tag"
}
get-digest() {
#get-manifest "$1" | jq .config.digest
get-manifest "$1" | grep -A 10 -o '"config".*' | grep digest | head -1 | cut -d':' -f 2,3 | xargs echo
}
get-latest-versions() {
curl -q -fsSL https://api.github.com/repos/jenkinsci/jenkins/tags?per_page=20 | grep '"name": "jenkins-' | egrep -o '[0-9]+(\.[0-9]+)+' | sort-versions | uniq
}
publish() {
local version=$1
local variant=$2
local tag="${version}${variant}"
local sha
local build_opts="--no-cache --pull"
sha=$(curl -q -fsSL "http://repo.jenkins-ci.org/simple/releases/org/jenkins-ci/main/jenkins-war/${version}/jenkins-war-${version}.war.sha1")
docker build --build-arg "JENKINS_VERSION=$version" \
--build-arg "JENKINS_SHA=$sha" \
--tag "jenkinsci/jenkins:${tag}" ${build_opts} .
docker push "jenkinsci/jenkins:${tag}"
}
tag-and-push() {
local source=$1
local target=$2
local digest_source; digest_source=$(get-digest ${tag1})
local digest_target; digest_target=$(get-digest ${tag2})
if [ "$digest_source" == "$digest_target" ]; then
echo "Images ${source} [$digest_source] and ${target} [$digest_target] are already the same, not updating tags"
else
echo "Creating tag ${target} pointing to ${source}"
if [ ! "$dry_run" = true ]; then
docker-tag "jenkinsci/jenkins:${source}" "jenkinsci/jenkins:${target}"
docker push "jenkinsci/jenkins:${source}"
fi
fi
}
publish-latest() {
local version=$1
local variant=$2
# push latest (for master) or the name of the branch (for other branches)
if [ -z "${variant}" ]; then
tag-and-push "${version}${variant}" "latest"
else
tag-and-push "${version}${variant}" "${variant#-}"
fi
}
publish-lts() {
local version=$1
local variant=$2
tag-and-push "${version}" "lts${variant}"
}
dry_run=false
if [ "-n" == "${1:-}" ]; then
dry_run=true
fi
if [ "$dry_run" = true ]; then
echo "Dry run, will not build or publish images"
fi
TOKEN=$(login-token)
variant=$(get-variant)
lts_version=""
version=""
for version in $(get-latest-versions); do
if is-published "$version$variant"; then
echo "Tag is already published: $version$variant"
else
echo "Publishing version: $version$variant"
if [ ! "$dry_run" = true ]; then
publish "$version" "$variant"
fi
fi
# Update lts tag
if [[ "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
lts_version="${version}"
fi
done
publish-latest "${version}" "${variant}"
if [ -n "${lts_version}" ]; then
publish-lts "${lts_version}" "${variant}"
fi