How to Start and Stop the PMK Stack Starting From v5.0/K8s v1.18

Problem

Starting with v5.0 and Kubernetes v1.18 the /etc/init.d/pf9-kube script is deprecated and can no longer be used to start and stop the PMK stack on the nodes.

Environment

Platform9 Managed Kubernetes - v5.0 and Higher
Kubernetes v1.18

Answer

There is a new component pf9-nodelet which controls the lifecycle of the Kubernetes stack. You can start and stop the stack by using the following command.

/opt/pf9/nodelet/nodeletd phases stop

/opt/pf9/nodelet/nodeletd phases start

pf9-nodelet offers you more granularity for controlling the K8s stack compared to the old init.d script. You can see the other options available to you by running the command with a -h flag.

# /opt/pf9/nodelet/nodeletd phases -h

Commands related to phases related to bring up of k8s stack

Usage:

nodeletd phases [command]

Available Commands:

list Lists the phases and their index numbers to use with rest of commands

restart restarts pf9 kube stack. Takes optional --phase param to allow restarting from the specific phase

start starts pf9 kube stack. Takes optional --from-phase param to allow starting from the specific phase

status checks the status of Platform9 Kube on this host. Takes optional --phase param to check the status of a specific phase

stop stops pf9 kube stack. Takes optional --till-phase param to allow stopping till the specific phase

Flags:

-h, --help help for phases

Use “nodeletd phases [command] --help” for more information about a command.

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