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| 1 | +#!/usr/bin/env bash |
| 2 | +set -euo pipefail |
| 3 | + |
| 4 | +HOST="${HOST:-localhost}" |
| 5 | +PORT="${PORT:-8080}" |
| 6 | + |
| 7 | +# === marker & token produced by Groovy === |
| 8 | +BOOTSTRAP_DIR="/root/.jenkins/secrets/bootstrap" |
| 9 | +MARKER_FILE="${BOOTSTRAP_DIR}/.token_ready" |
| 10 | +SPRYKER_SCHEDULER_USER="${SPRYKER_SCHEDULER_USER:-}" # optional; will auto-detect if empty |
| 11 | +TOKEN_FILE="${BOOTSTRAP_DIR}/${SPRYKER_SCHEDULER_USER:-}.token" |
| 12 | + |
| 13 | +# Will be filled after reading token |
| 14 | +AUTH_CURL=() |
| 15 | +TOKEN_VALUE="" |
| 16 | + |
| 17 | +# --- helpers (auth-aware once AUTH_CURL is set) --- |
| 18 | +getCrumb() { |
| 19 | + # Returns 'Jenkins-Crumb:<crumb>' or empty if endpoint not enabled |
| 20 | + curl -sf "http://${HOST}:${PORT}/crumbIssuer/api/json" \ |
| 21 | + "${AUTH_CURL[@]}" 2>/dev/null \ |
| 22 | + | jq -r '"Jenkins-Crumb:"+.crumb' 2>/dev/null || true |
| 23 | +} |
| 24 | + |
| 25 | +suspendJenkins() { |
| 26 | + local crumb |
| 27 | + crumb="$(getCrumb || true)" |
| 28 | + curl -sfLI -X POST "http://${HOST}:${PORT}/quietDown" \ |
| 29 | + "${AUTH_CURL[@]}" \ |
| 30 | + ${crumb:+-H "$crumb"} \ |
| 31 | + || true |
| 32 | +} |
| 33 | + |
| 34 | +countRunningJobs() { |
| 35 | + # returns a number (defaults to 0 on error) |
| 36 | + curl -sf "http://${HOST}:${PORT}/computer/api/json" \ |
| 37 | + "${AUTH_CURL[@]}" 2>/dev/null \ |
| 38 | + | jq -r '.busyExecutors' 2>/dev/null || echo 0 |
| 39 | +} |
| 40 | + |
| 41 | +waitForFinishOfActiveJobs() { |
| 42 | + suspendJenkins |
| 43 | + local count |
| 44 | + count="$(countRunningJobs || echo 0)" |
| 45 | + while [ "${count}" -gt 0 ]; do |
| 46 | + echo "Active jobs count: ${count}" |
| 47 | + sleep 1 |
| 48 | + count="$(countRunningJobs || echo 0)" |
| 49 | + done |
| 50 | + echo "No running jobs. Exiting..." |
| 51 | +} |
| 52 | + |
| 53 | +waitForJenkinsToStart() { |
| 54 | + local code=000 |
| 55 | + local url="http://${HOST}:${PORT}/login" # safe endpoint under SSO |
| 56 | + |
| 57 | + echo "Waiting for Jenkins HTTP on ${url} (accept 200/3xx/401/403)..." |
| 58 | + until code="$(curl -sS -o /dev/null -w '%{http_code}' -I "$url" || echo 000)"; \ |
| 59 | + [[ "$code" == "200" || "$code" == "401" || "$code" == "403" || \ |
| 60 | + "$code" == "301" || "$code" == "302" || "$code" == "303" || \ |
| 61 | + "$code" == "307" || "$code" == "308" ]]; do |
| 62 | + sleep 1 |
| 63 | + done |
| 64 | + echo "Jenkins responded with HTTP ${code} — proceeding." |
| 65 | +} |
| 66 | + |
| 67 | +waitForGroovyBootstrap() { |
| 68 | + echo "Waiting for Groovy bootstrap marker: ${MARKER_FILE}" |
| 69 | + local waited=0 |
| 70 | + local timeout="${WAIT_TIMEOUT:-300}" # seconds; set 0 to disable |
| 71 | + until [ -f "${MARKER_FILE}" ]; do |
| 72 | + sleep 1 |
| 73 | + waited=$((waited+1)) |
| 74 | + if [ "${timeout}" -gt 0 ] && [ "${waited}" -ge "${timeout}" ]; then |
| 75 | + echo "ERROR: Timed out waiting for ${MARKER_FILE}" |
| 76 | + exit 1 |
| 77 | + fi |
| 78 | + done |
| 79 | + echo "Groovy bootstrap complete." |
| 80 | + |
| 81 | + # Discover token file if username wasn't set |
| 82 | + if [ -z "${SPRYKER_SCHEDULER_USER}" ]; then |
| 83 | + TOKEN_FILE="$(find "${BOOTSTRAP_DIR}" -maxdepth 1 -type f -name '*.token' | head -n1 || true)" |
| 84 | + if [ -z "${TOKEN_FILE}" ]; then |
| 85 | + echo "ERROR: No token file found in ${BOOTSTRAP_DIR}" |
| 86 | + exit 1 |
| 87 | + fi |
| 88 | + SPRYKER_SCHEDULER_USER="$(basename "${TOKEN_FILE}")" |
| 89 | + SPRYKER_SCHEDULER_USER="${SPRYKER_SCHEDULER_USER%.token}" |
| 90 | + fi |
| 91 | +} |
| 92 | + |
| 93 | +readToken() { |
| 94 | + if [ ! -f "${TOKEN_FILE}" ]; then |
| 95 | + echo "ERROR: Token file not found: ${TOKEN_FILE}" |
| 96 | + exit 1 |
| 97 | + fi |
| 98 | + TOKEN_VALUE="$(awk -F'=' '/^tokenValue=/{print $2; exit}' "${TOKEN_FILE}")" |
| 99 | + if [ -z "${TOKEN_VALUE:-}" ]; then |
| 100 | + echo "ERROR: tokenValue not present in ${TOKEN_FILE}" |
| 101 | + exit 1 |
| 102 | + fi |
| 103 | + echo "Token for user ${SPRYKER_SCHEDULER_USER} loaded from ${TOKEN_FILE}" |
| 104 | + |
| 105 | + # Prepare auth array for curl |
| 106 | + local auth_b64 |
| 107 | + auth_b64="$(printf '%s' "${SPRYKER_SCHEDULER_USER}:${TOKEN_VALUE}" | base64)" |
| 108 | + AUTH_CURL=(-H "Authorization: Basic ${auth_b64}") |
| 109 | +} |
| 110 | + |
| 111 | +# === main bootstrap === |
| 112 | +mkdir -p ~/.jenkins/updates |
| 113 | +rm -rf ~/.jenkins/plugins || echo 'plugins did not exist anyway' |
| 114 | +mkdir -p ~/.jenkins/plugins |
| 115 | +test -f ~/.jenkins/jenkins.model.JenkinsLocationConfiguration.xml || envsubst < /opt/jenkins.model.JenkinsLocationConfiguration.xml > ~/.jenkins/jenkins.model.JenkinsLocationConfiguration.xml |
| 116 | + |
| 117 | +# On shutdown: drain queue then stop Jenkins |
| 118 | +trap 'waitForFinishOfActiveJobs; kill ${pid}; exit 0;' SIGTERM |
| 119 | + |
| 120 | +# Seed plugins from ref |
| 121 | +cp -r /usr/share/jenkins/ref/plugins/* /root/.jenkins/plugins/ || true |
| 122 | + |
| 123 | +# Init bootstrap script |
| 124 | +HOME_DIR="${JENKINS_HOME:-/root/.jenkins}" |
| 125 | +INIT_REF="/usr/share/jenkins/ref/init.groovy.d" |
| 126 | +INIT_HOME="${HOME_DIR}/init.groovy.d" |
| 127 | + |
| 128 | +mkdir -p "${INIT_HOME}" |
| 129 | +if [ -d "${INIT_REF}" ]; then |
| 130 | + # copy only if there are .groovy files; avoid failing when none exist |
| 131 | + if find "${INIT_REF}" -maxdepth 1 -type f -name '*.groovy' | read _; then |
| 132 | + find "${INIT_REF}" -maxdepth 1 -type f -name '*.groovy' -print -exec cp -f {} "${INIT_HOME}/" \; |
| 133 | + fi |
| 134 | +fi |
| 135 | +echo "Init scripts in HOME (${INIT_HOME}):" |
| 136 | +ls -l "${INIT_HOME}" || true |
| 137 | + |
| 138 | +# Start Jenkins (Groovy init runs now and creates the token) |
| 139 | +java ${JAVA_OPTS:-} -Djenkins.install.runSetupWizard=false -jar /usr/share/jenkins/jenkins.war ${JENKINS_OPTS:-} & pid=$! |
| 140 | + |
| 141 | +# First wait: HTTP up (no auth yet) |
| 142 | +waitForJenkinsToStart |
| 143 | +echo "HTTP port ${PORT} on ${HOST} all started up.." |
| 144 | + |
| 145 | +# Wait for Groovy to finish and write the marker + token |
| 146 | +waitForGroovyBootstrap |
| 147 | +readToken |
| 148 | + |
| 149 | +# Keep PID 1 alive |
| 150 | +wait "${pid}" |
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