Bug 1480878 - Metrics deploys without specifying a PVC size, Logging does not....
Metrics deploys without specifying a PVC size, Logging does not....
Status: NEW
Product: OpenShift Container Platform
Classification: Red Hat
Component: Logging (Show other bugs)
3.6.1
Unspecified Unspecified
unspecified Severity unspecified
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Assigned To: Jeff Cantrill
Xia Zhao
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Reported: 2017-08-12 12:31 EDT by Nicholas Nachefski
Modified: 2017-08-12 12:31 EDT (History)
2 users (show)

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Description Nicholas Nachefski 2017-08-12 12:31:36 EDT
Description of problem:

when installing the metrics stack, if you dont specify a PVC size, it defaults to 10Gi and provisions just fine.

This:
ansible-playbook /usr/share/ansible/openshift-ansible/playbooks/byo/openshift-cluster/openshift-metrics.yml -e openshift_metrics_install_metrics=True -e openshift_metrics_cassandra_storage_type=dynamic 

Gives you this:
pvc-8ec379c3-7f78-11e7-8aea-525400fb09ec   10Gi       RWO           Delete          Bound     openshift-infra/metrics-cassandra-1   glusterfs-storage             5m

Perfect.... however...

This:

ansible-playbook /usr/share/ansible/openshift-ansible/playbooks/byo/openshift-cluster/openshift-logging.yml -e openshift_logging_install_logging=True -e openshift_logging_es_pvc_dynamic=True -e 

Gives you this:
Failed to provision volume with StorageClass "glusterfs-storage": glusterfs: create volume err: error creating volume Invalid volume size.


When you add another parameter to explicitly set the PVC size, like this:

 ansible-playbook /usr/share/ansible/openshift-ansible/playbooks/byo/openshift-cluster/openshift-logging.yml -e openshift_logging_install_logging=True -e openshift_logging_es_pvc_dynamic=True -e openshift_logging_es_pvc_size=10Gi

You get this (a proper install):

pvc-6c03818e-7f7a-11e7-af65-525400fb09ec   10Gi       RWO           Delete          Bound     logging/logging-es-0                  glusterfs-storage             2m



There are too many inconsistencies between the metrics and the logging stacks and how they are configured.  This ultimately needs to be cleaned up....

-Nick

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