Operator installation failed. Subscription object stays in UpgradePending but the InstallPlan it associated with isn’t installing

Environment

• Red Hat OpenShift Container Platform
  • 4.4.x

Issue

• After deploying several operators into the namespace, then removing and adding an operator can get blocked by the previous installplan
• Hence, a user can't recreate the operator if the installplan already exist in the namespace
• A couple of operators were seen blocked at upgradePending forever

Resolution

• There is a This content is not included.Bugzilla reported for this issue.

Diagnostic Steps

• Steps to reproduce or to verify this issue can also be found Content from github.com is not included.here

# oc describe sub <subscription_name> 
# oc describe installplan <installplan_name>

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