#!/bin/sh # This script do the following : # Use jenkins-cli.jar # Verify if an update is available for any Jenkins plugins. # Update the plugins. # Restart Jenkins. # # How-to use it ? # Run it with `jenkins_update_plugins JENKINS_HOME="/var/lib/jenkins" JENKINS_CLI_JAR="${JENKINS_HOME}/war/WEB-INF/jenkins-cli.jar" JENKINS_AUTH_FILE="/root/.jenkins.auth" JENKINS_PLUGIN_LIST_FILE="${JENKINS_HOME}/updates/.plugin_list.$(date +%Y%m%d)" if [ ! -f "${JENKINS_CLI_JAR}" ]; then printf '%b\n' "Jenkins-cli (${JENKINS_CLI_JAR}) does not seem to be available." exit 1 fi if [ ! -f "${JENKINS_AUTH_FILE}" ]; then printf '%b\n' "Jenkins authentication file (${JENKINS_AUTH_FILE}) does not seem to be available." exit 1 fi if [ -f "${JENKINS_PLUGIN_LIST_FILE}" ]; then rm -f -- "${JENKINS_PLUGIN_LIST_FILE}" fi # Move to the directory where authentication file is stored cd "$(dirname ${JENKINS_AUTH_FILE})" || exit # Verify if updates are available for plugins if java -jar "${JENKINS_CLI_JAR}" -s http://127.0.0.1:8080 -auth @.jenkins.auth list-plugins | grep -i -q -- "(.*)$" then # Store the list of plugins to upgrade in a file, one by line java -jar "${JENKINS_CLI_JAR}" -s http://127.0.0.1:8080 -auth @.jenkins.auth list-plugins | grep -i -- "(.*)$" | cut -d" " -f1 > "${JENKINS_PLUGIN_LIST_FILE}" # Upgrade plugins one by one while IFS= read -r plugin; do #printf '%b\n' "Upgrading : ${plugin}" java -jar "${JENKINS_CLI_JAR}" -s http://127.0.0.1:8080 -auth @.jenkins.auth install-plugin "${plugin}" > /dev/null & # Wait for the end of the upgrade while ps axg | grep -vw grep | grep -w "install-plugin ${plugin}" > /dev/null; do sleep 1; done # With pgrep, it still runs 4~5 java commands at the same time #while pgrep -f "install-plugin ${plugin}" > /dev/null; do sleep 1; done done < "${JENKINS_PLUGIN_LIST_FILE}" # Restart Jenkins java -jar "${JENKINS_CLI_JAR}" -s http://127.0.0.1:8080 -auth @.jenkins.auth restart #else #printf '%b\n' "Nothing to do." fi cd - > /dev/null || exit # Purge "log" files older than 30 days find "${JENKINS_HOME}/updates" -iname ".plugin_list*" -mtime +30 -delete exit 0