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Helm cơ bản 0

Helm cơ bản

1. Repository Management

COMMAND	DESCRIPTION
helm repo list	List Helm repositories
helm repo update	Update list of Helm charts from repositories

2. Chart Management

COMMAND	DESCRIPTION
helm search	List all installed charts
helm search <CHARTNAME>	Search for a chart
helm ls	List all installed Helm charts
helm ls –deleted	List all deleted Helm charts
helm ls –all	List installed and deleted Helm charts
helm inspect values <REPO>/<CHART>	Inspect the variables in a chart

3. Install/Delete Helm Charts

COMMAND	DESCRIPTION
helm install –name <NAME> <REPO>/<CHART>	Install a Helm chart
helm install –name <NAME> –values <VALUES.YML> <REPO>/<CHART>	Install a Helm chart and override variables
helm status <NAME>	Show status of Helm chart being installed
helm delete –purge <NAME>	Delete a Helm chart

4. Upgrading Helm Charts

COMMAND	DESCRIPTION
helm get values <NAME>	Return the variables for a release
helm upgrade –values <VALUES.YML> <NAME> <REPO>/<CHART>	Upgrade the chart or variables in a release
helm history <NAME>	List release numbers
helm rollback <NAME> 1	Rollback to a previous release number

5. Creating Helm Charts

COMMAND	DESCRIPTION
helm create <NAME>	Create a blank chart
helm lint <NAME>	Lint the chart
helm package <NAME>	Package the chart into foo.tgz
helm dependency update	Install chart dependencies

6. Chart Folder Structure

wordpress/
  Chart.yaml          # A YAML file containing information about the chart
  LICENSE             # OPTIONAL: A plain text file containing the license for the chart
  README.md           # OPTIONAL: A human-readable README file
  requirements.yaml   # OPTIONAL: A YAML file listing dependencies for the chart
  values.yaml         # The default configuration values for this chart
  charts/             # A directory containing any charts upon which this chart depends.
  templates/          # A directory of templates that, when combined with values,
                      # will generate valid Kubernetes manifest files.
  templates/NOTES.txt # OPTIONAL: A plain text file containing short usage notes