Node Seen in "Error Authorizing Host" State, pf9-kube Service Fails to Start

Problem

• Node is seen in "Error Authorizing Host" state in Platform9's Clarity UI.
• pf9-kube service on the node fails to start.
• Following errors are present in the /var/log/pf9/kube/kube.log on the node.

E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem.

Environment

• Platform9 Managed Kubernetes - v3.6.0 and Higher

Cause

The packages weren't downloaded/configured correctly when the node was authorized or upgraded. This can also be observed when the same node was deauthorized and re-authorized.

Resolution

1. Run the following command on the node.

# sudo dpkg --configure -a

2. Then restart the pf9-kube service by running the command.

# /etc/init.d/pf9-kube start

3. The above command should complete successfully and the prompt should return. Check the status of the pf9-kube service.