【Kubernetes】複数のConfigMapを同じディレクトリにマウントする

1  volumes:
2  - name: test-volume
3    projected: # projectedボリューム
4      sources: # CofigMapを列挙
5      - configMap:
6          name: config1
7      - configMap:
8          name: config2
9      - configMap:
10          name: config3

1apiVersion: v1
2kind: ConfigMap
3metadata:
4  name: config1
5data:
6  config1.txt: |-
7    hoge

1apiVersion: v1
2kind: ConfigMap
3metadata:
4  name: config2
5data:
6  config2.txt: |-
7    foo

1apiVersion: v1
2kind: ConfigMap
3metadata:
4  name: config3
5data:
6  config3.txt: |-
7    bar

1kubectl apply -f config1.yml config2.yml config3.yml

1apiVersion: v1
2kind: Pod
3metadata:
4  name: projected-volume-pod
5spec:
6  containers:
7  - name: projected-volume-container
8    image: busybox
9    args:
10    - sleep
11    - "999"
12    volumeMounts:
13    - name: all-in-one
14      mountPath: "/projected-volume"
15      readOnly: true
16  volumes:
17  - name: all-in-one
18    projected: # projectedボリューム
19      sources: # CofigMapを列挙
20      - configMap:
21          name: config1
22      - configMap:
23          name: config2
24      - configMap:
25          name: config3

1kubectl apply -f pod.yml

1❯ kubectl exec -it projected-volume-pod -- /bin/sh
2
3/ # ls /projected-volume/
4config1.txt  config2.txt  config3.txt