fabric8/nexus image on Red Hat CDK

[Rafael Soares (Tuelho)]

After deploying F8 templates on my CDK, I'm seeing the following errors on my nexus pod...

Caused by: java.nio.file.AccessDeniedException: /sonatype-work/storage/central
 at sun.nio.fs.UnixException.translateToIOException(UnixException.java:84) ~[na:1.8.0_74]
 at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102) ~[na:1.8.0_74]
 at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107) ~[na:1.8.0_74]
 at sun.nio.fs.UnixFileSystemProvider.createDirectory(UnixFileSystemProvider.java:384) ~[na:1.8.0_74]

I used the 'gofabric8 volumes' to create the volumes on my CDK

oc describe po/nexus-1-553l4
Name: nexus-1-553l4
Namespace: default
Security Policy: anyuid
Node: cdk.vm/192.168.121.20
Start Time: Tue, 22 Nov 2016 23:40:35 -0300
Labels: deployment=nexus-1
 deploymentconfig=nexus
 group=io.fabric8.devops.apps
 project=nexus
 provider=fabric8
 version=2.2.297
Status: Running
IP: 172.17.0.3
Controllers: ReplicationController/nexus-1
Containers:
  nexus:
    Container ID: docker://ba225858b65f5a5d73d1b14353b1e817dde0dabaab0ff166a76d6fa28907a751
    Image: fabric8/nexus:2.2.297
    Image ID: docker-pullable://docker.io/fabric8/nexus@sha256:6051d102ac8e5b2699bf6017d4167b1b03c8584afb26db53af1c5508e2a7b3f1
    Port: 8081/TCP
    Limits:
      cpu: 0
      memory: 0
    Requests:
      cpu: 0
      memory: 0
    State: Running
      Started: Tue, 22 Nov 2016 23:40:38 -0300
    Ready: True
    Restart Count: 0
    Liveness: http-get http://:8081/content/repositories/ delay=60s timeout=10s period=10s #success=1 #failure=3
    Volume Mounts:
      /sonatype-work/storage from nexus-storage (rw)
      /var/run/secrets/kubernetes.io/serviceaccount from default-token-2futs (ro)
    Environment Variables:
      KUBERNETES_NAMESPACE: default (v1:metadata.namespace)
Conditions:
  Type Status
  Initialized True
  Ready True
  PodScheduled True
Volumes:
  nexus-storage:
    Type: PersistentVolumeClaim (a reference to a PersistentVolumeClaim in the same namespace)
    ClaimName: nexus-storage
    ReadOnly: false
  default-token-2futs:
    Type: Secret (a volume populated by a Secret)
    SecretName: default-token-2futs

oc get persistentvolume      
NAME                        CAPACITY   ACCESSMODES   STATUS    CLAIM                            REASON    AGE
default-jenkins-workspace   1Gi        RWO           Bound     default/jenkins-workspace                  29m
default-nexus-storage       1Gi        RWO           Bound     default/nexus-storage                      29m
pv01                        1Gi        RWO,RWX       Bound     default/gogs-data                          1h
pv02                        2Gi        RWO,RWX       Bound     default/jenkins-jobs                       1h
pv03                        3Gi        RWO,RWX       Bound     default/jenkins-mvn-local-repo             1h

oc describe pv/default-nexus-storage                                                                                                                                   1 ↵
Name: default-nexus-storage
Labels: <none>
Status: Bound
Claim: default/nexus-storage
Reclaim Policy: Recycle
Access Modes: RWO
Capacity: 1Gi
Message:
Source:
    Type: HostPath (bare host directory volume)
    Path: /data/default/nexus-storage
No events.

[vagrant@cdk ~]$ ls -la /data/default/
total 0
drwxr-xr-x. 4 root root 52 Nov 22 21:26 .
drwxr-xr-x. 3 root root 21 Nov 22 21:23 ..
drwxr-xr-x. 2 root root  6 Nov 22 21:23 jenkins-workspace
drwxr-xr-x. 2 root root  6 Nov 22 21:26 nexus-storage

I'm suspecting the 'HostPath' volume type is not supported on CDK...

CDK comes with 3 volumes of NFS type... They were picked by gogs and jenkins pods.

what is missing?

[Rafael Soares]

I changed the volumes created by 'gofabric8 volumes' command to use NFS type instead of HostPath. Now it seems to be working on CDK 2.

For some reason HostPath type volumes seems to not work OOB on CDK. Even applying this change described here: https://docs.openshift.com/container-platform/3.3/admin_guide/manage_scc.html#use-the-hostpath-volume-plugin

:-\

________________________
Rafael Torres Coelho Soares

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