kubernetes - 在自定义 Helm chart 中禁用子图

Question

我用 elastic-stack 创建了一个自定义 Helm chart 作为具有以下配置的子图。

# requirements.yaml
dependencies:
  - name: elastic-stack
    version: 1.5.0
    repository: '@stable'

# values.yaml
elastic-stack:
  kibana:
    # at this level enabled is not recognized (does not work)
    # enabled: true

    # configs like env, only work at this level
    env:
      ELASTICSEARCH_URL: http://foo-elasticsearch-client.default.svc.cluster.local:9200
    service:
      externalPort: 80

# enabled only works at root level
elasticsearch:
  enabled: true
kibana:
  enabled: true
logstash:
  enabled: false

我不明白的是为什么我必须定义 enabled elasatic-stack:之外的标签以及里面的所有其他配置？

这是正常的 Helm 行为还是弹性堆栈图中的一些错误配置？

Answer 1

Helm conditions在顶级父级的值中进行评估:

Condition - The condition field holds one or more YAML paths (delimited by commas). If this path exists in the top parent’s values and resolves to a boolean value, the chart will be enabled or disabled based on that boolean value

查看requirements.yaml中的条件从稳定/弹性堆栈:

- name: elasticsearch
  version: ^1.17.0
  repository: https://kubernetes-charts.storage.googleapis.com/
  condition: elasticsearch.enabled
- name: kibana
  version: ^1.1.0
  repository: https://kubernetes-charts.storage.googleapis.com/
  condition: kibana.enabled
- name: logstash
  version: ^1.2.1
  repository: https://kubernetes-charts.storage.googleapis.com/
  condition: logstash.enabled

条件路径为 elasticsearch.enabled , kibana.enabled和 logstash.enabled ，因此您需要在父图表值中使用它们。