Kubernetes + Jenkins: how to assign all jenkins slave to one specific node
All you need to do is specify this in the Deployment of your jenkins slave with nodeAffinity, like so:
---apiVersion: apps/v1kind: Deploymentmetadata: name: jenkins-slave namespace: ci labels: app: jenkins role: slavespec: selector: matchLabels: app: jenkins role: slave template: metadata: labels: app: jenkins role: slave spec: affinity: nodeAffinity: requiredDuringSchedulingIgnoredDuringExecution: nodeSelectorTerms: - matchExpressions: - key: kubernetes.io/hostname operator: In values: - vm-1You can see some examples here
However, I am not sure if kubernetes.io/hostname is a valid label to be used when selecting node affinity, maybe you will need to create one, such as role, dedicated or type.
Use the Kubernetes plugin yaml syntax and add affinity section as described in https://kubernetes.io/docs/concepts/configuration/assign-pod-node/