我有一个关于kubernetes和网络防火墙规则的问题。我想用防火墙规则来保护我的kubernetes集群,并想知道工人/主人是否需要访问互联网?我正计划使用位于我的网络上的私人注册表,但当工作人员无法访问互联网时,我遇到了难题。这里有一个例子使用私人注册表时,kubernetes是否需要访问互联网?
Name: foo
Namespace: default
Node: worker003/192.168.30.1
Start Time: Mon, 23 Jan 2017 10:33:07 -0500
Labels: <none>
Status: Pending
IP:
Controllers: <none>
Containers:
foo:
Container ID:
Image: registry.company.org/wop_java/app:nginx
Image ID:
Port:
State: Waiting
Reason: ContainerCreating
Ready: False
Restart Count: 0
Volume Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from default-token-3cg0w (ro)
Environment Variables: <none>
Conditions:
Type Status
Initialized True
Ready False
PodScheduled True
Volumes:
default-token-3cg0w:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-3cg0w
QoS Class: BestEffort
Tolerations: <none>
Events:
FirstSeen LastSeen Count From SubObjectPath Type Reason Message
--------- -------- ----- ---- ------------- -------- ------ -------
5m 5m 1 {default-scheduler } Normal Scheduled Successfully assigned foo to worker003
4m 1m 4 {kubelet worker003} Warning FailedSync Error syncing pod, skipping: failed to "StartContainer" for "POD" with ErrImagePull: "image pull failed for gcr.io/google_containers/pause-amd64:3.0, this may be because there are no credentials on this request. details: (Error response from daemon: {\"message\":\"Get https://gcr.io/v1/_ping: dial tcp 74.125.192.82:443: i/o timeout\"})"
3m 3s 9 {kubelet worker003} Warning FailedSync Error syncing pod, skipping: failed to "StartContainer" for "POD" with ImagePullBackOff: "Back-off pulling image \"gcr.io/google_containers/pause-amd64:3.0\""
我的问题是,kubernetes是否需要互联网接入工作?如果是的话,它在哪里正式记录?
有趣的是,你是否找到了解决方案(也许甚至从答案)呢? – pagid