update command nslookup target to include fully qualified service name, namespace picked up from running pod (#19603)

This commit is contained in:
James Spurin
2020-03-16 21:34:30 +00:00
committed by GitHub
parent b76520526d
commit 9e0f7b4eb3
6 changed files with 12 additions and 12 deletions
@@ -122,10 +122,10 @@ spec:
initContainers: initContainers:
- name: init-myservice - name: init-myservice
image: busybox:1.28 image: busybox:1.28
command: ['sh', '-c', 'until nslookup myservice; do echo waiting for myservice; sleep 2; done;'] command: ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for myservice; sleep 2; done"]
- name: init-mydb - name: init-mydb
image: busybox:1.28 image: busybox:1.28
command: ['sh', '-c', 'until nslookup mydb; do echo waiting for mydb; sleep 2; done;'] command: ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"]
``` ```
You can start this Pod by running: You can start this Pod by running:
@@ -111,10 +111,10 @@ spec:
initContainers: initContainers:
- name: init-myservice - name: init-myservice
image: busybox:1.28 image: busybox:1.28
command: ['sh', '-c', 'until nslookup myservice; do echo "En attente de myservice"; sleep 2; done;'] command: ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo en attente de myservice; sleep 2; done"]
- name: init-mydb - name: init-mydb
image: busybox:1.28 image: busybox:1.28
command: ['sh', '-c', 'until nslookup mydb; do echo "En attente de mydb"; sleep 2; done;'] command: ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo en attente de mydb; sleep 2; done"]
``` ```
Les fichiers YAML suivants résument les services `mydb` et `myservice` : Les fichiers YAML suivants résument les services `mydb` et `myservice` :
@@ -78,12 +78,12 @@ metadata:
{ {
"name": "init-myservice", "name": "init-myservice",
"image": "busybox:1.28", "image": "busybox:1.28",
"command": ["sh", "-c", "until nslookup myservice; do echo waiting for myservice; sleep 2; done;"] "command": ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for myservice; sleep 2; done"]
}, },
{ {
"name": "init-mydb", "name": "init-mydb",
"image": "busybox:1.28", "image": "busybox:1.28",
"command": ["sh", "-c", "until nslookup mydb; do echo waiting for mydb; sleep 2; done;"] "command": ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"]
} }
]' ]'
spec: spec:
@@ -76,12 +76,12 @@ metadata:
{ {
"name": "init-myservice", "name": "init-myservice",
"image": "busybox:1.28", "image": "busybox:1.28",
"command": ["sh", "-c", "until nslookup myservice; do echo waiting for myservice; sleep 2; done;"] "command": ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for myservice; sleep 2; done"]
}, },
{ {
"name": "init-mydb", "name": "init-mydb",
"image": "busybox:1.28", "image": "busybox:1.28",
"command": ["sh", "-c", "until nslookup mydb; do echo waiting for mydb; sleep 2; done;"] "command": ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"]
} }
]' ]'
spec: spec:
@@ -120,10 +120,10 @@ spec:
initContainers: initContainers:
- name: init-myservice - name: init-myservice
image: busybox:1.28 image: busybox:1.28
command: ['sh', '-c', 'until nslookup myservice; do echo waiting for myservice; sleep 2; done;'] command: ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for myservice; sleep 2; done"]
- name: init-mydb - name: init-mydb
image: busybox:1.28 image: busybox:1.28
command: ['sh', '-c', 'until nslookup mydb; do echo waiting for mydb; sleep 2; done;'] command: ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"]
``` ```
다음 커맨드들을 이용하여 파드를 시작하거나 디버깅할 수 있다. 다음 커맨드들을 이용하여 파드를 시작하거나 디버깅할 수 있다.
@@ -186,10 +186,10 @@ spec:
initContainers: initContainers:
- name: init-myservice - name: init-myservice
image: busybox:1.28 image: busybox:1.28
command: ['sh', '-c', 'until nslookup myservice; do echo waiting for myservice; sleep 2; done;'] command: ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for myservice; sleep 2; done"]
- name: init-mydb - name: init-mydb
image: busybox:1.28 image: busybox:1.28
command: ['sh', '-c', 'until nslookup mydb; do echo waiting for mydb; sleep 2; done;'] command: ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"]
``` ```
下面的 yaml 文件展示了 `mydb` 和 `myservice` 两个 Service 下面的 yaml 文件展示了 `mydb` 和 `myservice` 两个 Service