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In this example we save the values in file:  platform_values.txt.

Check so that your namespace is available.
$ helm list --namespace <namespace>

Example:
$ helm list --namespace user1
NAME   	NAMESPACE	REVISION	UPDATED                                 	STATUS  	CHART                                                 	                APP VERSION
platpod user1    	2       	2020-09-01 14:57:55.458292074 +0200 CEST	deployed	usage-engine-private-edition-10.1.0-release-20200824070905.1566f6c   	10.1.0     

Save the installed values to a file, in the case you need them later in the upgrade.
$ helm get values <release_platform> -a --namespace <namespace> > platform_values.txt

Editing the new values.yaml file

View the contents of the installed values.yaml file. Either if you have access to the already installed values.yaml file or look at the platform_values.txt file explained above:

• cat <current installation> usage-engine-private-edition / values.yaml

Edit and update the new installation's values.yaml file with the site unique values, that you find in the installed values.yaml file.

• Do NOT change the image tags in the new values.yaml file.

Check the Release Notes for any special considerations concerning the new values.yaml file. Update them accordingly.

• See: /wiki/spaces/DRXXE/pages/6194875 at Upgrade and Downgrade.

Parameters to check

Make sure the Helm chart is defined for on-premise (Private cloud) by viewing the file: usage-engine-private-edition / values.yaml

$ cat usage-engine-private-edition/values.yaml | grep environment:

# Only on-premise and aws supported for now
environment: on-premise

Make sure the new tags are pointing at the new image by viewing the file: usage-engine-private-edition / values.yaml

$ cat usage-engine-private-edition/values.yaml | grep tag:

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Persistent Storage is required for a possible downgrade

To be prepared for a possible downgrade later, make sure that you have defined Persistent Storage prior to the upgrade. Persistent Storage is mandatory to be able to perform a downgrade.

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