Connecting static node within 'jenkins-kubernetes-plugin' dynamic environment.

WANG, YAN-HONG

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Mar 5, 2018, 5:35:01 AM3/5/18

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Hello,

I use jenkins-kubernetes-plugin to run Jenkins in Kubernetes cluster.

So far that works perfectly.

All the nodes are automatically generated and destroyed in right moment of pipeline.

But, is it possible to connect external static node within Jenkins of Kubernetes cluster ?

By definition of NodePort, the Kubernetes master only allocates a port from a flag-configured range: 30000-32767.

Suppose I need to expose 8080 and 50000 with 30808 and 30500 'NodePort'.

I tried to change the agent_port to 30500.

But, that still doesn't work...

Is there any someone have some similar condition?

Best regards,

Hong

Carlos Sanchez

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Mar 5, 2018, 5:41:52 AM3/5/18

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yes, you can do that, using the tunnel parameter of the jnlp-slave jar

If you want to run an external agent on docker use JENKINS_TUNNEL=your_node_ip:your_node_port for instance

https://github.com/jenkinsci/docker-jnlp-slave#running

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YAN-HONG WANG

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Mar 5, 2018, 10:47:08 AM3/5/18

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Hello Carlos,

Thanks very much for your fast hint.
I will try it.

Hong

Am Montag, 5. März 2018 11:41:52 UTC+1 schrieb Carlos Sanchez:

yes, you can do that, using the tunnel parameter of the jnlp-slave jar
If you want to run an external agent on docker use JENKINS_TUNNEL=your_node_ip:your_node_port for instance
https://github.com/jenkinsci/docker-jnlp-slave#running

On Mon, Mar 5, 2018 at 11:34 AM, WANG, YAN-HONG <allway...@gmail.com> wrote:

Hello,

I use jenkins-kubernetes-plugin to run Jenkins in Kubernetes cluster.
So far that works perfectly.
All the nodes are automatically generated and destroyed in right moment of pipeline.

But, is it possible to connect external static node within Jenkins of Kubernetes cluster ?

By definition of NodePort, the Kubernetes master only allocates a port from a flag-configured range: 30000-32767.
Suppose I need to expose 8080 and 50000 with 30808 and 30500 'NodePort'.

I tried to change the agent_port to 30500.
But, that still doesn't work...

Is there any someone have some similar condition?

Best regards,
Hong

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