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README.md

This chart was copied from helm/charts because it is no longer updated.

This software includes the work that is distributed in the Apache License 2.0.

incubator/raw

The incubator/raw chart takes a list of Kubernetes resources and merges each resource with a default metadata.labels map and installs the result.

The Kubernetes resources can be "raw" ones defined under the resources key, or "templated" ones defined under the templates key.

Some use cases for this chart include Helm-based installation and maintenance of resources of kinds:

  • LimitRange
  • PriorityClass
  • Secret

Usage

Raw resources

STEP 1: Create a yaml file containing your raw resources.

# raw-priority-classes.yaml

resources:

  - apiVersion: scheduling.k8s.io/v1beta1
    kind: PriorityClass
    metadata:
      name: common-critical
    value: 100000000
    globalDefault: false
    description: "This priority class should only be used for critical priority common pods."

  - apiVersion: scheduling.k8s.io/v1beta1
    kind: PriorityClass
    metadata:
      name: common-high
    value: 90000000
    globalDefault: false
    description: "This priority class should only be used for high priority common pods."

  - apiVersion: scheduling.k8s.io/v1beta1
    kind: PriorityClass
    metadata:
      name: common-medium
    value: 80000000
    globalDefault: false
    description: "This priority class should only be used for medium priority common pods."

  - apiVersion: scheduling.k8s.io/v1beta1
    kind: PriorityClass
    metadata:
      name: common-low
    value: 70000000
    globalDefault: false
    description: "This priority class should only be used for low priority common pods."

  - apiVersion: scheduling.k8s.io/v1beta1
    kind: PriorityClass
    metadata:
      name: app-critical
    value: 100000
    globalDefault: false
    description: "This priority class should only be used for critical priority app pods."

  - apiVersion: scheduling.k8s.io/v1beta1
    kind: PriorityClass
    metadata:
      name: app-high
    value: 90000
    globalDefault: false
    description: "This priority class should only be used for high priority app pods."

  - apiVersion: scheduling.k8s.io/v1beta1
    kind: PriorityClass
    metadata:
      name: app-medium
    value: 80000
    globalDefault: true
    description: "This priority class should only be used for medium priority app pods."

  - apiVersion: scheduling.k8s.io/v1beta1
    kind: PriorityClass
    metadata:
      name: app-low
    value: 70000
    globalDefault: false
    description: "This priority class should only be used for low priority app pods."

STEP 2: Install your raw resources.

helm install --name raw-priority-classes chatwork/raw -f raw-priority-classes.yaml

Templated resources

STEP 1: Create a yaml file containing your templated resources.

# values.yaml

templates:
- |
  apiVersion: v1
  kind: Secret
  metadata:
    name: common-secret
  stringData:
    mykey: {{ .Values.mysecret }}

The yaml file containing mysecret should be encrypted with a tool like helm-secrets

# secrets.yaml
mysecret: abc123

$ helm secrets enc secrets.yaml

STEP 2: Install your templated resources.

helm secrets install --name mysecret chatwork/raw -f values.yaml -f secrets.yaml