Issue with the deployment of the mongodb-persistent pod from the openshift templates using the local volume storage.
Issue
- After deploying the openshift mongodb template the pod fails to get scheduled on the node and the pvc waits for first consumer to be created before binding.
# oc project openshift
# oc new-app --template=mongodb-persistent -n project-name
# oc get pods -n project-name
# oc describe po mongodb-1-2lw55
Name: mongodb-1-2lw55
Namespace: openshift
Priority: 0
Node: <none>
Labels: deployment=mongodb-1
deploymentconfig=mongodb
name=mongodb
Annotations: openshift.io/deployment-config.latest-version: 1
openshift.io/deployment-config.name: mongodb
openshift.io/deployment.name: mongodb-1
openshift.io/generated-by: OpenShiftNewApp
Status: Pending
IP:
IPs: <none>
Controlled By: ReplicationController/mongodb-1
Containers:
mongodb:
Image: registry.redhat.io/rhscl/mongodb-36-rhel7@sha256:506e4daa19721199e35249f2e0e67b02cbcbee1fed653f7eb91d5595b74c3bf8
Port: 27017/TCP
Host Port: 0/TCP
Limits:
memory: 512Mi
Requests:
memory: 512Mi
Liveness: tcp-socket :27017 delay=30s timeout=1s period=10s #success=1 #failure=3
Readiness: exec [/bin/sh -i -c mongo 127.0.0.1:27017/$MONGODB_DATABASE -u $MONGODB_USER -p $MONGODB_PASSWORD --eval="quit()"] delay=3s timeout=1s period=10s #success=1 #failure=3
Environment:
MONGODB_USER: <set to the key 'database-user' in secret 'mongodb'> Optional: false
MONGODB_PASSWORD: <set to the key 'database-password' in secret 'mongodb'> Optional: false
MONGODB_ADMIN_PASSWORD: <set to the key 'database-admin-password' in secret 'mongodb'> Optional: false
MONGODB_DATABASE: <set to the key 'database-name' in secret 'mongodb'> Optional: false
Mounts:
/var/lib/mongodb/data from mongodb-data (rw)
/var/run/secrets/kubernetes.io/serviceaccount from default-token-2h57c (ro)
Conditions:
Type Status
PodScheduled False
Volumes:
mongodb-data:
Type: PersistentVolumeClaim (a reference to a PersistentVolumeClaim in the same namespace)
ClaimName: mongodb
ReadOnly: false
default-token-2h57c:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-2h57c
Optional: false
QoS Class: Burstable
Node-Selectors: <none>
Tolerations: node.kubernetes.io/memory-pressure:NoSchedule
node.kubernetes.io/not-ready:NoExecute for 300s
node.kubernetes.io/unreachable:NoExecute for 300s
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Warning FailedScheduling <unknown> default-scheduler 0/4 nodes are available: 1 node(s) didn't find available persistent volumes to bind, 3 node(s) had taints that the pod didn't tolerate.
# oc describe pvc mongodb
Name: mongodb
Namespace: openshift
StorageClass: local-sc
Status: Pending
Volume:
Labels: app=mongodb-persistent
app.kubernetes.io/component=mongodb-persistent
app.kubernetes.io/instance=mongodb-persistent
template=mongodb-persistent-template
Annotations: openshift.io/generated-by: OpenShiftNewApp
Finalizers: [kubernetes.io/pvc-protection]
Capacity:
Access Modes:
VolumeMode: Filesystem
Mounted By: mongodb-1-2lw55
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal WaitForFirstConsumer 2s (x5 over 48s) persistentvolume-controller waiting for first consumer to be created before binding
Environment
- Red Hat OpenShift Container Platform 4.x
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