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spawn any required number of Jenkins

Slaves and enables execution of multiple jobs in parallel.

1. Install Jenkins  2.32.1 (

1. Kube plugin requires this version of Jenkins)
2. Install Kubernetes plugin
3. Configure "Kube Cloud" in Manage Jenkins → configure system

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Docker image : gcr.io/cloud-solutions-images/jenkins-k8s-slave

Arguments: ${computer.jnlpmac} ${computer.name}

Note: Name of Kubernetes Pod Template and Name of Container Template should be "jnlp"

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Choose TCP port for JNLP agents as "Random" since slaves are spawned in Kube slaves and port will be randomly generated if many number of jobs are executed at the same time.

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Sample Output:

The below screenshot shows execution of 5 jobs

in parallel without being

queued.

Note: Executors in the Master

are unused. Jenkins slaves are spawnedin Kube Slaves on-demand

 and the jobs are executed.

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