kubernetes-helm

From helm template documentation -s, –show-only stringArray only show manifests rendered from the given templates For rendering only one resource use helm template -s templates/deployment.yaml .

When you do helm delete $RELEASE_NAME it deletes all resources but keeps the record with $RELEASE_NAME in case you want to rollback. You can see removed releases via helm ls -a. Whereas helm delete –purge $RELEASE_NAME removes records and make that name free to be reused for another installation.

To view what was actually deployed in a release, use helm get. If you use helm -n <namespace> get all <release-name> you get all the information for the current release of <release-name> in namespace <namespace>†. You can specify –revision to get the information for a specific version, which you can use to see what the … Read more

If you need to pass array values you can use curly braces (unix shell require quotes): –set test={x,y,z} –set “test={x,y,z}” Result YAML: test: – x – y – z Source: https://helm.sh/docs/intro/using_helm/#the-format-and-limitations-of—set EDITED : added double-quotes for unix shell like bash

To delete all Helm releases in Linux(in Helm v2.X) with a single command, you can use some good old bash. Just pipe the output of helm ls –short to xargs, and run helm delete for each release returned. helm ls –all –short | xargs -L1 helm delete Adding –purge will delete the charts as well, … Read more

As indicated in the Helm documentation on operators: For templates, the operators (eq, ne, lt, gt, and, or and so on) are all implemented as functions. In pipelines, operations can be grouped with parentheses ((, and )). It means you could use {{- if or (eq .Values.isCar true) (eq .Values.isBus true) }} Furthermore, as noted … Read more