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Nodes Report Offline After Attaching to New BareOS Cluster
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Problem
- New cluster remain in "pending" state after nodes are attached to it.
- Nodes in this cluster remain offline as pf9-kube fails to start. The following errors are seen in /var/log/pf9/kube/kube.log.
Waiting for "local_apiserver_running" to evaluate to true ...Waiting for "local_apiserver_running" to evaluate to true ...Waiting for "local_apiserver_running" to evaluate to true ...Waiting for "local_apiserver_running" to evaluate to true ...- The following error can be seen in /var/log/pf9/kubelet log.
kubelet[4686]: E0117 976804 4686 kubelet_node_status.go:94] Unable to register node "[node IP address ]" with API server: Post https://127.0.0.1:443/api/v1/nodes: dial tkubelet[4686]: E0117 011489 4686 kubelet.go:2268] node "[node IP address" not foundkubelet[4686]: E0117 111855 4686 kubelet.go:2268] node "<node IP ddress]" not found........kubelet[4686]: E0117 976804 4686 kubelet_node_status.go:94] Unable to register node "[node IP address]" with API server: Post https://127.0.0.1:443/api/v1/nodes: dial tkubelet[4686]: E0117 011489 4686 kubelet.go:2268] node "[node IP address]" not foundkubelet[4686]: E0117 111855 4686 kubelet.go:2268] node "[node IP address]" not foundEnvironment
- Platform9 Managed Kubernetes - All Versions
Cause
Nodes used to create the cluster were a part of another cluster previously and were not cleaned up/deauthorized properly after being detached from the cluster.
Resolution
- Remove/purge all the pf9 packages from the node and verify, as shown below.
xxxxxxxxxx# dpkg --remove --force-remove-reinstreq [pf9-packagename]# dpkg --purge --force-all [pf9-packagename]- Ensure that the following directories have been removed after removal of the packages.
directory '/var/opt/pf9' not empty so not removeddirectory '/var/log/pf9' not empty so not removeddirectory '/opt/pf9' not empty so not removeddirectory '/etc/pf9' not empty so not removed- Reboot the node.
- Install the pf9 agent on the nodes again.
- Authorize the nodes to the Management Plane once the pf9 agent is successfully installed.
- Proceed with cluster creation.
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