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Jenkinsfile.trigger
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Jenkinsfile.trigger
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// one job per arch (for now) that triggers builds for all unbuilt images
properties([
disableConcurrentBuilds(),
disableResume(),
durabilityHint('PERFORMANCE_OPTIMIZED'),
pipelineTriggers([
upstream(threshold: 'UNSTABLE', upstreamProjects: 'meta'),
]),
])
env.BASHBREW_ARCH = env.JOB_NAME.split('/')[-1].minus('trigger-') // "windows-amd64", "arm64v8", etc
def queue = []
def breakEarly = false // thanks Jenkins...
// this includes the number of attempts per failing buildId
// { buildId: { "count": 1, ... }, ... }
def pastFailedJobsJson = '{}'
node {
stage('Checkout') {
checkout(scmGit(
userRemoteConfigs: [[
url: 'https://github.com/docker-library/meta.git',
name: 'origin',
]],
branches: [[name: '*/subset']], // TODO back to main
extensions: [
submodule(
parentCredentials: true,
recursiveSubmodules: true,
trackingSubmodules: true,
),
cleanBeforeCheckout(),
cleanAfterCheckout(),
[$class: 'RelativeTargetDirectory', relativeTargetDir: 'meta'],
],
))
pastFailedJobsJson = sh(returnStdout: true, script: '''#!/usr/bin/env bash
set -Eeuo pipefail -x
if ! json="$(wget --timeout=5 -qO- "$JOB_URL/lastSuccessfulBuild/artifact/pastFailedJobs.json")"; then
echo >&2 'failed to get pastFailedJobs.json'
json='{}'
fi
jq <<<"$json" '.'
''').trim()
}
dir('meta') {
def queueJson = ''
stage('Queue') {
withEnv([
'pastFailedJobsJson=' + pastFailedJobsJson,
]) {
// using pastFailedJobsJson, sort the needs_build queue so that failing builds always live at the bottom of the queue
queueJson = sh(returnStdout: true, script: '''
jq -L.scripts '
include "meta";
(env.pastFailedJobsJson | fromjson) as $pastFailedJobs
| [
.[]
| select(
needs_build
and (
.build.arch as $arch
| if env.BASHBREW_ARCH == "gha" then
[ "amd64", "i386", "windows-amd64" ]
else [ env.BASHBREW_ARCH ] end
| index($arch)
)
)
]
# this Jenkins job exports a JSON file that includes the number of attempts so far per failing buildId so that this can sort by attempts which means failing builds always live at the bottom of the queue (sorted by the number of times they have failed, so the most failing is always last)
| sort_by($pastFailedJobs[.buildId].count // 0)
' builds.json
''').trim()
}
}
if (queueJson && queueJson != '[]') {
queue = readJSON(text: queueJson)
currentBuild.displayName = 'queue size: ' + queue.size() + ' (#' + currentBuild.number + ')'
} else {
currentBuild.displayName = 'empty queue (#' + currentBuild.number + ')'
breakEarly = true
return
}
// for GHA builds, we still need a node (to curl GHA API), so we'll handle those here
if (env.BASHBREW_ARCH == 'gha') {
withCredentials([
string(
variable: 'GH_TOKEN',
credentialsId: 'github-access-token-docker-library-bot-meta',
),
]) {
for (buildObj in queue) {
def identifier = buildObj.source.arches[buildObj.build.arch].tags[0] + ' (' + buildObj.build.arch + ')'
def json = writeJSON(json: buildObj, returnText: true)
withEnv([
'json=' + json,
]) {
stage(identifier) {
echo(json) // for debugging/data purposes
sh '''#!/usr/bin/env bash
set -Eeuo pipefail -x
# https://docs.github.com/en/free-pro-team@latest/rest/actions/workflows?apiVersion=2022-11-28#create-a-workflow-dispatch-event
payload="$(
jq <<<"$json" -L.scripts '
include "jenkins";
gha_payload
'
)"
set +x
curl -fL \
-X POST \
-H 'Accept: application/vnd.github+json' \
-H "Authorization: Bearer $GH_TOKEN" \
-H 'X-GitHub-Api-Version: 2022-11-28' \
https://api.github.com/repos/docker-library/meta/actions/workflows/build.yml/dispatches \
-d "$payload"
'''
}
}
}
}
// we're done triggering GHA, so we're completely done with this job
breakEarly = true
return
}
}
}
if (breakEarly) { return } // thanks Jenkins...
// now that we have our parsed queue, we can release the node we're holding up (since we handle GHA builds above)
def pastFailedJobs = readJSON(text: pastFailedJobsJson)
def newFailedJobs = [:]
for (buildObj in queue) {
def identifier = buildObj.source.arches[buildObj.build.arch].tags[0]
def json = writeJSON(json: buildObj, returnText: true)
withEnv([
'json=' + json,
]) {
stage(identifier) {
echo(json) // for debugging/data purposes
def res = build(
job: 'build-' + env.BASHBREW_ARCH,
parameters: [
string(name: 'buildId', value: buildObj.buildId),
],
propagate: false,
quietPeriod: 5, // seconds
)
// TODO do something useful with "res.result" (especially "res.result != 'SUCCESS'")
echo(res.result)
if (res.result != 'SUCCESS') {
def c = 1
if (pastFailedJobs[buildObj.buildId]) {
// TODO more defensive access of .count? (it is created just below, so it should be safe)
c += pastFailedJobs[buildObj.buildId].count
}
// TODO maybe implement some amount of backoff? keep first url/endTime?
newFailedJobs[buildObj.buildId] = [
count: c,
identifier: identifier,
url: res.absoluteUrl,
endTime: (res.startTimeInMillis + res.duration) / 1000.0, // convert to seconds
]
// "catchError" is the only way to set "stageResult" :(
catchError(message: 'Build of "' + identifier + '" failed', buildResult: 'UNSTABLE', stageResult: 'FAILURE') { error() }
}
}
}
}
// save newFailedJobs so we can use it next run as pastFailedJobs
node {
def newFailedJobsJson = writeJSON(json: newFailedJobs, returnText: true)
withEnv([
'newFailedJobsJson=' + newFailedJobsJson,
]) {
stage('Archive') {
dir('builds') {
deleteDir()
sh '''#!/usr/bin/env bash
set -Eeuo pipefail -x
jq <<<"$newFailedJobsJson" '.' | tee pastFailedJobs.json
'''
archiveArtifacts(
artifacts: '*.json',
fingerprint: true,
onlyIfSuccessful: true,
)
}
}
}
}