OpenShift Controller Manager pods stuck on Pending status

Solution Verified - Updated -

Issue

  • The controller manager pods are stuck on Pending status

    $ oc get pod -n openshift-controller-manager
NAME                      READY  STATUS   RESTARTS  AGE
controller-manager-6wz66  0/1    Pending  0         1h58m
controller-manager-dpk5m  0/1    Pending  0         1h58m
controller-manager-tcv4q  0/1    Pending  0         1h58m

  • openshift-global-ca configmap lacks any available data

    $ oc get cm openshift-global-ca -n openshift-controller-manager
NAME                 DATA  AGE
openshift-global-ca  0     4h25m

Environment

  • Red Hat OpenShift Container Platform 4.7

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