Error: Failed to restart atomic-openshift-master.service: Unit atomic-openshift-master.service is masked
Environment
OpenShift Container Platform - OCP
Issue
Attempting to restart the openshift master services like so:
$ systemctl restart atomic-openshift-master
Results in:
Failed to restart atomic-openshift-master.service: Unit atomic-openshift-master.service is masked.
Resolution
Instead of issuing a systemctl restart atomic-openshift-master for an HA install, you should instead:
$ systemctl restart atomic-openshift-master-api atomic-openshift-master-controllers
Root Cause
For HA installations the atomic-openshift-master service is masked on purpose. Instead the atomic-openshift-api and atomic-openshift-controllers units are used instead.
Both the atomic-openshift-api and atomic-openshift-controllers service use the /etc/origin/master/master-config.yaml config file, however the environment file for the controllers service /etc/sysconfig/atomic-openshift-controllers overrides some values via command line parameters.
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