Added support for jenkins official container

jenkins/publish.sh

@@ -0,0 +1,148 @@
+#!/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