... keeping update ...
- via CLI
$ ssh domain.jenkins.com groovy =< /path/to/script.groovy
- via GUI: copy & paste script into https://domina.jenkins.com/script
Last active
April 11, 2024 22:34
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Save marslo/ce6dddd2cf7e264ba5e2ffec2d6610c4 to your computer and use it in GitHub Desktop.
jenkins script for agents
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| #!/usr/bin/env groovy | |
| /** | |
| * @author marslo | |
| * @since 02/16/2024 | |
| * | |
| * @result | |
| * | AGENT NAME | NODE CREDENTIAL | COMPUTER CREDENTIIAL | | |
| * | ------------------ | --------------- | -------------------- | | |
| * | STAGING_TEST_01 | SSH_CREDENTIAL | SSH_CREDENTIAL | | |
| * | DEVELOPMENT_ENV_03 | SSH_CREDENTIAL | SSH_CREDENTIAL | | |
| **/ | |
| List<String> title = [ 'AGENT NAME', 'NODE CREDENTIAL', 'COMPUTER CREDENTIIAL' ] | |
| List<List<String>> agentCredentials = jenkins.model.Jenkins.instance.computers.findAll { computer -> | |
| ! jenkins.model.Jenkins.MasterComputer.isInstance(computer) && | |
| computer?.launcher instanceof hudson.plugins.sshslaves.SSHLauncher | |
| }.collect { computer -> | |
| [ computer.name, computer.node.launcher?.credentialsId?.toString() ?: '', computer.launcher?.credentialsId?.toString() ?: '' ] | |
| } | |
| agentCredentials.add( 0, title ) | |
| agentCredentials.add( 0, agentCredentials.transpose().collect { column -> column.collect{ it.size() }.max() } ) | |
| agentCredentials = agentCredentials.withIndex().collect { raw, idx -> | |
| if ( idx ) raw.withIndex().collect { x, y -> x.toString().padRight(agentCredentials[0][y]) } | |
| }.findAll() | |
| String showTable ( List l ) { | |
| l.collect{ '| ' + it.join(' | ' ) + ' |' }.join('\n') | |
| } | |
| println showTable( [ agentCredentials.head(), agentCredentials.head().collect { '-'*it.size() } ] ) | |
| println showTable( agentCredentials.tail() ) | |
| // vim:tabstop=2:softtabstop=2:shiftwidth=2:expandtab:filetype=Groovy |
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| #!/usr/bin/env groovy | |
| /** | |
| * @author marslo | |
| * @since 02/16/2024 | |
| * | |
| * @result | |
| * STAGING_TEST_01 | SSH_CREDENTIAL | SSH_CREDENTIAL | |
| * DEVELOPMENT_ENV_03 | SSH_CREDENTIAL | SSH_CREDENTIAL | |
| **/ | |
| List<List<String>> agentCredentials = jenkins.model.Jenkins.instance.computers.findAll { computer -> | |
| ! jenkins.model.Jenkins.MasterComputer.isInstance(computer) && | |
| computer?.launcher instanceof hudson.plugins.sshslaves.SSHLauncher | |
| }.collect { computer -> | |
| [ computer.name, computer.node.launcher?.credentialsId?.toString() ?: '', computer.launcher?.credentialsId?.toString() ?: '' ] | |
| } | |
| agentCredentials.add( 0, agentCredentials.transpose().collect { column -> column.collect{ it.size() }.max() } ) | |
| println agentCredentials.withIndex().collect { raw, idx -> | |
| if ( idx ) { | |
| raw.withIndex().collect { x, y -> "${x.padRight(agentCredentials[0][y])}" }.join(' | ') | |
| } | |
| }.findAll().join('\n') | |
| // vim:tabstop=2:softtabstop=2:shiftwidth=2:expandtab:filetype=Groovy |
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| #!/usr/bin/env groovy | |
| /** | |
| * @author marslo | |
| * @since 02/14/2024 | |
| **/ | |
| import hudson.slaves.* | |
| import hudson.model.Node.Mode | |
| import jenkins.model.Jenkins | |
| import hudson.plugins.sshslaves.SSHLauncher | |
| String newCredId = 'NEW_CREDENTIAL' | |
| jenkins.model.Jenkins.instance.nodes.findAll { node -> | |
| ! jenkins.model.Jenkins.MasterComputer.isInstance(node) && | |
| node?.launcher instanceof hudson.plugins.sshslaves.SSHLauncher | |
| }.each { node -> | |
| println ">> ${node.name} update <<" | |
| ComputerLauncher launcher = node.launcher | |
| SSHLauncher newLauncher = new SSHLauncher( launcher.host, | |
| launcher.port, | |
| newCredId, | |
| launcher.jvmOptions, | |
| launcher.javaPath, | |
| launcher.prefixStartSlaveCmd, | |
| launcher.suffixStartSlaveCmd, | |
| launcher.launchTimeoutSeconds, | |
| launcher.maxNumRetries, | |
| launcher.retryWaitTime, | |
| launcher.sshHostKeyVerificationStrategy | |
| ) | |
| DumbSlave agent = new DumbSlave( node.name, node.remoteFS, newLauncher ) | |
| agent.nodeDescription = node.nodeDescription | |
| agent.numExecutors = node.numExecutors | |
| agent.labelString = node.labelString | |
| agent.mode = node.mode | |
| agent.retentionStrategy = node.retentionStrategy | |
| node.computer.doDoDelete() // delete if necessary | |
| Thread.sleep( 5*1000 ) | |
| jenkins.model.Jenkins.instance.addNode( agent ) | |
| } | |
| "DONE" |
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| #!/usr/bin/env groovy | |
| /** | |
| * @author marslo | |
| * @since 02/14/2024 | |
| **/ | |
| import jenkins.model.Jenkins | |
| import hudson.plugins.sshslaves.SSHLauncher | |
| import hudson.slaves.ComputerLauncher | |
| String newCredId = 'NEW_CREDENTIAL' | |
| jenkins.model.Jenkins.instance.nodes.findAll { node -> | |
| ! jenkins.model.Jenkins.MasterComputer.isInstance(node) && | |
| node?.launcher instanceof hudson.plugins.sshslaves.SSHLauncher | |
| }.each { node -> | |
| println ">> update ${node.name} <<" | |
| ComputerLauncher launcher = node.launcher | |
| SSHLauncher newLauncher = new SSHLauncher( launcher.host, launcher.port, newCredId ) | |
| newLauncher.sshHostKeyVerificationStrategy = launcher.sshHostKeyVerificationStrategy | |
| node.setLauncher( newLauncher ) | |
| node.save() | |
| node.computer.setNode( node ) | |
| // disconnect agent | |
| if ( node.computer.isOnline() && node.computer.countBusy() == 0 ) { | |
| println ">> disconnet ${node.name} <<" | |
| String message = 'disconnect due to credential update' | |
| node.computer.setTemporarilyOffline( true, new hudson.slaves.OfflineCause.ByCLI(message) ) | |
| node.computer.disconnect( new hudson.slaves.OfflineCause.UserCause(User.current(), message ) ) | |
| node.computer.doChangeOfflineCause( message ) | |
| println '\t.. computer.getOfflineCause: ' + node.computer.getOfflineCause(); | |
| } | |
| // connect agent | |
| Thread.sleep( 5*1000 ) | |
| if ( node.computer.isOffline() ) { | |
| println ">> reconnect ${node.name} <<" | |
| node.getComputer().connect( true ) | |
| node.computer.setTemporarilyOffline( false, null ) | |
| } | |
| println ">> ${node.name} DONE <<" | |
| } | |
| "DONE" | |
| // vim:tabstop=2:softtabstop=2:shiftwidth=2:expandtab:filetype=Groovy |
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| #!/usr/bin/env groovy | |
| /** | |
| * @author marslo | |
| * @since 02/14/2024 | |
| **/ | |
| import hudson.slaves.* | |
| import hudson.model.Node.Mode | |
| import jenkins.model.Jenkins | |
| import hudson.plugins.sshslaves.SSHLauncher | |
| // add/modify in newInfo | |
| Map<String, Object> newInfo = [ | |
| credId : 'NEW_CREDENTIAL' , | |
| name : '' , | |
| label : '' , | |
| description : '' , | |
| hostname : '' , | |
| numExecutors : 1 , | |
| port : 22 | |
| ] | |
| jenkins.model.Jenkins.instance.nodes.findAll { node -> | |
| ! jenkins.model.Jenkins.MasterComputer.isInstance(node) && | |
| node?.launcher instanceof hudson.plugins.sshslaves.SSHLauncher | |
| }.each { node -> | |
| println ">> update ${node.name} <<" | |
| ComputerLauncher launcher = node.launcher | |
| SSHLauncher newLauncher = new SSHLauncher( newInfo.get('hostname') ?: launcher.host, | |
| newInfo.get('port') ?: launcher.port, | |
| newInfo.get('credId') ?: launcher.credentialsId, | |
| launcher.jvmOptions, | |
| launcher.javaPath, | |
| launcher.prefixStartSlaveCmd, | |
| launcher.suffixStartSlaveCmd, | |
| launcher.launchTimeoutSeconds, | |
| launcher.maxNumRetries, | |
| launcher.retryWaitTime, | |
| launcher.sshHostKeyVerificationStrategy | |
| ) | |
| node.nodeDescription = newInfo.get('description') ?: node.nodeDescription | |
| node.numExecutors = newInfo.get('numExecutors') ?: node.numExecutors | |
| node.labelString = newInfo.get('label') ?: node.labelString | |
| node.mode = node.mode | |
| node.retentionStrategy = node.retentionStrategy | |
| node.setLauncher( newLauncher ) | |
| node.save() | |
| node.computer.setNode( node ) | |
| // disconnect agent | |
| if ( node.computer.isOnline() && node.computer.countBusy() == 0 ) { | |
| println ">> disconnect ${node.name} <<" | |
| String message = 'disconnect due to credential update' | |
| node.computer.setTemporarilyOffline( true, new hudson.slaves.OfflineCause.ByCLI(message) ) | |
| node.computer.disconnect( new hudson.slaves.OfflineCause.UserCause(User.current(), message ) ) | |
| node.computer.doChangeOfflineCause( message ) | |
| println '\t.. computer.getOfflineCause: ' + node.computer.getOfflineCause(); | |
| } | |
| // connect agent | |
| Thread.sleep( 5*1000 ) | |
| if ( node.computer.isOffline() ) { | |
| println ">> reconnect ${node.name} <<" | |
| node.getComputer().connect( true ) | |
| node.computer.setTemporarilyOffline( false, null ) | |
| } | |
| } | |
| "DONE" | |
| // vim:tabstop=2:softtabstop=2:shiftwidth=2:expandtab:filetype=Groovy |
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