Master jobs should use home-built Linux container

When running the Seed Job, the following pod is created today:
apiVersion: v1
kind: Pod
metadata:
  annotations:
    cni.projectcalico.org/podIP: 10.24.0.17/32
  creationTimestamp: "2021-03-21T12:23:11Z"
  deletionGracePeriodSeconds: 30
  deletionTimestamp: "2021-03-21T12:24:21Z"
  labels:
    jenkins/jenkins-controller-jenkins-agent: "true"
    jenkins/label: jenkins-controller-jenkins-agent
    jenkins/label-digest: 0ecf0c85ea5642e59bb36c88579764ad70870c79
  managedFields:
  - apiVersion: v1
    fieldsType: FieldsV1
    fieldsV1:
      f:metadata:
        f:labels:
          .: {}
          f:jenkins/jenkins-controller-jenkins-agent: {}
          f:jenkins/label: {}
          f:jenkins/label-digest: {}
      f:spec:
        f:containers:
          k:{"name":"jnlp"}:
            .: {}
            f:args: {}
            f:env:
              .: {}
              k:{"name":"JENKINS_AGENT_NAME"}:
                .: {}
                f:name: {}
                f:value: {}
              k:{"name":"JENKINS_AGENT_WORKDIR"}:
                .: {}
                f:name: {}
                f:value: {}
              k:{"name":"JENKINS_NAME"}:
                .: {}
                f:name: {}
                f:value: {}
              k:{"name":"JENKINS_SECRET"}:
                .: {}
                f:name: {}
                f:value: {}
              k:{"name":"JENKINS_TUNNEL"}:
                .: {}
                f:name: {}
                f:value: {}
              k:{"name":"JENKINS_URL"}:
                .: {}
                f:name: {}
                f:value: {}
            f:image: {}
            f:imagePullPolicy: {}
            f:name: {}
            f:resources:
              .: {}
              f:limits:
                .: {}
                f:cpu: {}
                f:memory: {}
              f:requests:
                .: {}
                f:cpu: {}
                f:memory: {}
            f:terminationMessagePath: {}
            f:terminationMessagePolicy: {}
            f:volumeMounts:
              .: {}
              k:{"mountPath":"/home/jenkins"}:
                .: {}
                f:mountPath: {}
                f:name: {}
            f:workingDir: {}
        f:dnsPolicy: {}
        f:enableServiceLinks: {}
        f:nodeSelector:
          .: {}
          f:kubernetes.io/os: {}
        f:restartPolicy: {}
        f:schedulerName: {}
        f:securityContext: {}
        f:serviceAccount: {}
        f:serviceAccountName: {}
        f:terminationGracePeriodSeconds: {}
        f:volumes:
          .: {}
          k:{"name":"workspace-volume"}:
            .: {}
            f:emptyDir: {}
            f:name: {}
    manager: okhttp
    operation: Update
    time: "2021-03-21T12:23:10Z"
  - apiVersion: v1
    fieldsType: FieldsV1
    fieldsV1:
      f:metadata:
        f:annotations:
          .: {}
          f:cni.projectcalico.org/podIP: {}
    manager: calico
    operation: Update
    time: "2021-03-21T12:23:13Z"
  - apiVersion: v1
    fieldsType: FieldsV1
    fieldsV1:
      f:status:
        f:conditions:
          k:{"type":"ContainersReady"}:
            .: {}
            f:lastProbeTime: {}
            f:lastTransitionTime: {}
            f:reason: {}
            f:status: {}
            f:type: {}
          k:{"type":"Initialized"}:
            .: {}
            f:lastProbeTime: {}
            f:lastTransitionTime: {}
            f:reason: {}
            f:status: {}
            f:type: {}
          k:{"type":"Ready"}:
            .: {}
            f:lastProbeTime: {}
            f:lastTransitionTime: {}
            f:reason: {}
            f:status: {}
            f:type: {}
        f:containerStatuses: {}
        f:hostIP: {}
        f:phase: {}
        f:podIP: {}
        f:podIPs:
          .: {}
          k:{"ip":"10.24.0.17"}:
            .: {}
            f:ip: {}
        f:startTime: {}
    manager: kubelet
    operation: Update
    time: "2021-03-21T12:23:52Z"
  name: default-s3dpt
  namespace: default
  resourceVersion: "1016481"
  selfLink: /api/v1/namespaces/default/pods/default-s3dpt
  uid: 26b2333a-fb64-47ce-9bc1-a34e5fc20af0
spec:
  containers:
  - args:
    - d7cb0449034b5ef379585f55c7b88acfc330fe204d6ed25f3670b466fa0ee3ef
    - default-s3dpt
    env:
    - name: JENKINS_SECRET
      value: d7cb0449034b5ef379585f55c7b88acfc330fe204d6ed25f3670b466fa0ee3ef
    - name: JENKINS_TUNNEL
      value: jenkins-controller-agent:50000
    - name: JENKINS_AGENT_NAME
      value: default-s3dpt
    - name: JENKINS_NAME
      value: default-s3dpt
    - name: JENKINS_AGENT_WORKDIR
      value: /home/jenkins
    - name: JENKINS_URL
      value: http://jenkins-controller.default.svc.cluster.local:8080/
    image: jenkins/inbound-agent:4.6-1
    imagePullPolicy: IfNotPresent
    name: jnlp
    resources:
      limits:
        cpu: 512m
        memory: 512Mi
      requests:
        cpu: 512m
        memory: 512Mi
    terminationMessagePath: /dev/termination-log
    terminationMessagePolicy: File
    volumeMounts:
    - mountPath: /home/jenkins
      name: workspace-volume
    - mountPath: /var/run/secrets/kubernetes.io/serviceaccount
      name: default-token-zqhcb
      readOnly: true
    workingDir: /home/jenkins
  dnsPolicy: ClusterFirst
  enableServiceLinks: true
  nodeName: gke-jenkins-jenkins-controller-node-p-0df38a80-4sgd
  nodeSelector:
    kubernetes.io/os: linux
  priority: 0
  restartPolicy: Never
  schedulerName: default-scheduler
  securityContext: {}
  serviceAccount: default
  serviceAccountName: default
  terminationGracePeriodSeconds: 30
  tolerations:
  - effect: NoExecute
    key: node.kubernetes.io/not-ready
    operator: Exists
    tolerationSeconds: 300
  - effect: NoExecute
    key: node.kubernetes.io/unreachable
    operator: Exists
    tolerationSeconds: 300
  volumes:
  - emptyDir: {}
    name: workspace-volume
  - name: default-token-zqhcb
    secret:
      defaultMode: 420
      secretName: default-token-zqhcb
status:
  conditions:
  - lastProbeTime: null
    lastTransitionTime: "2021-03-21T12:23:12Z"
    reason: PodCompleted
    status: "True"
    type: Initialized
  - lastProbeTime: null
    lastTransitionTime: "2021-03-21T12:23:52Z"
    reason: PodCompleted
    status: "False"
    type: Ready
  - lastProbeTime: null
    lastTransitionTime: "2021-03-21T12:23:52Z"
    reason: PodCompleted
    status: "False"
    type: ContainersReady
  - lastProbeTime: null
    lastTransitionTime: "2021-03-21T12:23:12Z"
    status: "True"
    type: PodScheduled
  containerStatuses:
  - containerID: docker://50a1726901ed3bd90ab4479f1311ebd419fe8aa1b5b2540e947702e9d921fb29
    image: jenkins/inbound-agent:4.6-1
    imageID: docker-pullable://jenkins/inbound-agent@sha256:19b6cb12bffa7e0d108fd66b14df96c819f729dc4ab7e0a43d53cbe154899b53
    lastState: {}
    name: jnlp
    ready: false
    restartCount: 0
    started: false
    state:
      terminated:
        containerID: docker://50a1726901ed3bd90ab4479f1311ebd419fe8aa1b5b2540e947702e9d921fb29
        exitCode: 0
        finishedAt: "2021-03-21T12:23:51Z"
        reason: Completed
        startedAt: "2021-03-21T12:23:14Z"
  hostIP: 10.132.0.2
  phase: Succeeded
  podIP: 10.24.0.17
  podIPs:
  - ip: 10.24.0.17
  qosClass: Guaranteed
  startTime: "2021-03-21T12:23:12Z"
This pod uses jenkins/inbound-agent:4.6-1 as its image. It should use the default agent. How do we make that happen?
falldamagestudio / UE-Jenkins-BuildSystem

Master jobs should use home-built Linux container #27
