I've been updated credential ID in the SSH Agent ( hudson.plugins.sshslaves.SSHLauncher ), when I using script to check the credentialsId status, find out the jenkins.model.Jenkins.instance.nodes works as I saw in configure page, however, the jenkins.model.Jenkins.instance.computers still shows the legacy ( previous ) credentialsId .
Does it get back in sync if you call SlaveComputer.setNode(Node), which would then do launcher = grabLauncher(node);? The setNode method is protected but perhaps you can call it via Jenkins.setNodes(List).
Kalle Niemitalo
added a comment - Does it get back in sync if you call SlaveComputer.setNode(Node) , which would then do launcher = grabLauncher(node); ? The setNode method is protected but perhaps you can call it via Jenkins.setNodes(List) .
Probably the change on computer only gets active after disconnecting the agent and reconnecting it. Changing the configuration of an agent will not automatically reconnect it. Some changes are immediately visible, like labels, agent root, availability and usage, but the connection is not closed, so there will be no change to the currently active Launcher in the Computer class. It would probably be not a good idea to automatically disconnect when the launcher changes as this could kill running builds.
Markus Winter
added a comment - Probably the change on computer only gets active after disconnecting the agent and reconnecting it. Changing the configuration of an agent will not automatically reconnect it. Some changes are immediately visible, like labels, agent root, availability and usage, but the connection is not closed, so there will be no change to the currently active Launcher in the Computer class. It would probably be not a good idea to automatically disconnect when the launcher changes as this could kill running builds.
I suppose you're right. It somehow cannot sync configure automatically in Jenkins runtime. Even if the configure has been updated ( agent.xml ), but in Jenkins itself, it stills read the legacy credential.
So, what I did to re-sync manually by
open the configure page
click save button
and it updated the Jenkins runtime settings.
So, does jenkins.model.Jenkins.setNode( node.name ) will automatic "sync" the configure in Jenkins runtime ?
My current solution is to delete node -> create node via:
groovy.lang.MissingMethodException: No signature of method: static jenkins.model.Jenkins.updateNode() is applicable for argument types: (hudson.slaves.DumbSlave)
And
Jenkins.instance.nodes.collect{ it.load() }
got issue:
groovy.lang.MissingMethodException: No signature of method: hudson.slaves.DumbSlave.load() is applicable for argument types: () values: []
Marslo Jiao
added a comment - - edited Hi kon ,
I suppose you're right. It somehow cannot sync configure automatically in Jenkins runtime. Even if the configure has been updated ( agent.xml ), but in Jenkins itself, it stills read the legacy credential.
So, what I did to re-sync manually by
open the configure page
click save button
and it updated the Jenkins runtime settings.
So, does jenkins.model.Jenkins.setNode( node.name ) will automatic "sync" the configure in Jenkins runtime ?
My current solution is to delete node -> create node via:
import hudson.slaves.*
import hudson.model.Node.Mode
import jenkins.model.Jenkins
import hudson.plugins.sshslaves.SSHLauncher
String newCredId = 'GIT_SSH_CREDENTIAL'
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()
Thread .sleep( 5*1000 )
Jenkins.instance.addNode( agent )
}
"DONE"
UPDATE
I've tried the :
Jenkins.instance.nodes.collect { Jenkins.updateNode(it) }
got issue:
groovy.lang.MissingMethodException: No signature of method: static jenkins.model.Jenkins.updateNode() is applicable for argument types: (hudson.slaves.DumbSlave)
And
Jenkins.instance.nodes.collect{ it.load() }
got issue:
groovy.lang.MissingMethodException: No signature of method: hudson.slaves.DumbSlave.load() is applicable for argument types: () values: []
Markus Winter
added a comment - When you modify an agent via the UI you get a new Node object. This in the end calls computer.setNode which updates the launcher
As groovy doesn't care about protected or private methods you could just call this method I think
...
node.setLauncher(newLauncher)
node.save()
node.computer.setNode(node)
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Does it get back in sync if you call SlaveComputer.setNode(Node), which would then do launcher = grabLauncher(node);? The setNode method is protected but perhaps you can call it via Jenkins.setNodes(List).