[英]Helm - How to write a file in a Volume using ConfigMap?
我已经定义了values.yaml
,如下所示:
name: custom-streams
image: streams-docker-images
imagePullPolicy: Always
restartPolicy: Always
replicas: 1
port: 8080
nodeSelector:
nodetype: free
configHocon: |-
streams {
monitoring {
custom {
uri = ${?URI}
method = ${?METHOD}
}
}
}
和configmap.yaml
如下:
apiVersion: v1
kind: ConfigMap
metadata:
name: custom-streams-configmap
data:
config.hocon: {{ .Values.configHocon | indent 4}}
最后,我定义了deployment.yaml
,如下所示:
apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ .Values.name }}
spec:
replicas: {{ default 1 .Values.replicas }}
strategy: {}
template:
spec:
containers:
- env:
{{- range $key, $value := .Values.env }}
- name: {{ $key }}
value: {{ $value | quote }}
{{- end }}
image: {{ .Values.image }}
name: {{ .Values.name }}
volumeMounts:
- name: config-hocon
mountPath: /config
ports:
- containerPort: {{ .Values.port }}
restartPolicy: {{ .Values.restartPolicy }}
volumes:
- name: config-hocon
configmap:
name: custom-streams-configmap
items:
- key: config.hocon
path: config.hocon
status: {}
当我通过以下方式运行容器时:
helm install --name custom-streams custom-streams -f values.yaml --debug --namespace streaming
然后 pod 运行良好,但我在容器中看不到config.hocon
文件:
$ kubectl exec -it custom-streams-55b45b7756-fb292 sh -n streaming
/ # ls
...
config
...
/ # cd config/
/config # ls
/config #
我需要写在/config
文件夹中的config.hocon
。 谁能告诉我配置有什么问题?
我能够解决这个问题。 问题是在deployment.yaml
中使用configmap
代替configMap
:
apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ .Values.name }}
spec:
replicas: {{ default 1 .Values.replicas }}
strategy: {}
template:
spec:
containers:
- env:
{{- range $key, $value := .Values.env }}
- name: {{ $key }}
value: {{ $value | quote }}
{{- end }}
image: {{ .Values.image }}
name: {{ .Values.name }}
volumeMounts:
- name: config-hocon
mountPath: /config
ports:
- containerPort: {{ .Values.port }}
restartPolicy: {{ .Values.restartPolicy }}
volumes:
- name: config-hocon
configMap:
name: custom-streams-configmap
items:
- key: config.hocon
path: config.hocon
status: {}
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