A free cheat Sheet of Helm Commands

Basic Commands

- Update helm Version

 curl -L https://git.io/get_helm.sh | bash -s - - version {VERSION}

- Add a repository to helm

 helm repo add stable https://charts.helm.sh/stable

- List the repository

 helm repo list

- Search for a repository

 helm search repo stable/mysql

- Update a repository

 helm repo update

- Install a repository

 helm install stable/mysql - generate-name
 helm install myairflow stable/airflow

- Uninstall a repository

 helm uninstall myairflow

- History about the objects deployed

 helm history {DEPLOYEDCHART}
 
 - Set image tag

 helm install - set image.tag=12345 <your-chart-name>

Custom Charts

- Create a chart

 helm create ziggy

- Install a chart

 helm install ziggy-demo ./ziggy

- See template output after install

 helm get manifest ziggy

- Check output of template

 helm template {DIRECTORY}
 helm install - debug - dry-run dryrun ziggy/

- Change template value

 helm install - dry-run - debug - set name=zygote valuestest ziggy/

Charts and Repository

- Package chart 

 helm package ziggy/

- Send chart to chartmuseum

 curl - data-binary "@ziggy-0.1.0.tgz" http://localhost:8085/api/charts

- Push using plugin

 helm push {DIRECTORY} {REPONAME}
 helm repo update
 helm search repo {REPONAME}

- Remove a repository

 helm repo remove {REPONAME}

- Check previous versions

 helm search repo -l {REPONAME}

- Install chart from repository

 helm install {INSTALLNAME} {REPOSITORYNAME}/{CHARTNAME}
 
- Upgrade using helm

 helm upgrade {INSTALLNAME} {REPOSITORYNAME}/{CHARTNAME}

- Rollback a install

 helm rollback (INSTALLNAME) {REVISION NO}

Using Chart museum

- Set chartmuseum storage 

 chartmuseum - debug - port=8085 \
  storage="local" \
 storage-local-rootdir="./chartstorage"

- Add chartmuseum repo

 helm repo add mychartrepo http://localhost:8085

- Push using the push plugin

 helm push ziggy/ mychartrepo