kubernetes创建pod出现ImagePullBackOff
kubernetes创建pod出现ImagePullBackOff，是describe查看，如下信息：
kubectl describe pods -n rook-ceph-system rook-ceph-operator-6b4c5d4684-q4sl4
Name: rook-ceph-operator-6b4c5d4684-q4sl4
Namespace: rook-ceph-system
Priority: 0
PriorityClassName: <none>
Node: node3/192.168.2.218
Start Time: Sun, 20 Jan 2019 05:12:47 +0800
Labels: app=rook-ceph-operator
pod-template-hash=2607180240
Annotations: <none>
Status: Pending
IP: 10.244.3.18
Controlled By: ReplicaSet/rook-ceph-operator-6b4c5d4684
Containers:
rook-ceph-operator:
Container ID:
Image: rook/ceph:master
Image ID:
Port: <none>
Host Port: <none>
Args:
ceph
operator
State: Waiting
Reason: ImagePullBackOff
Ready: False
Restart Count: 0
Environment:
ROOK_ALLOW_MULTIPLE_FILESYSTEMS: false
ROOK_LOG_LEVEL: INFO
ROOK_MON_HEALTHCHECK_INTERVAL: 45s
ROOK_MON_OUT_TIMEOUT: 300s
ROOK_DISCOVER_DEVICES_INTERVAL: 60m
ROOK_HOSTPATH_REQUIRES_PRIVILEGED: false
ROOK_ENABLE_SELINUX_RELABELING: true
ROOK_ENABLE_FSGROUP: true
NODE_NAME: (v1:spec.nodeName)
POD_NAME: rook-ceph-operator-6b4c5d4684-q4sl4 (v1:metadata.name)
POD_NAMESPACE: rook-ceph-system (v1:metadata.namespace)
Mounts:
/etc/ceph from default-config-dir (rw)
/var/lib/rook from rook-config (rw)
/var/run/secrets/kubernetes.io/serviceaccount from rook-ceph-system-token-hsb47 (ro)
Conditions:
Type Status
Initialized True
Ready False
ContainersReady False
PodScheduled True
Volumes:
rook-config:
Type: EmptyDir (a temporary directory that shares a pod's lifetime)
Medium:
default-config-dir:
Type: EmptyDir (a temporary directory that shares a pod's lifetime)
Medium:
rook-ceph-system-token-hsb47:
Type: Secret (a volume populated by a Secret)
SecretName: rook-ceph-system-token-hsb47
Optional: false
QoS Class: BestEffort
Node-Selectors: <none>
Tolerations: node.kubernetes.io/not-ready:NoExecute for 300s
node.kubernetes.io/unreachable:NoExecute for 300s
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Scheduled 4m default-scheduler Successfully assigned rook-ceph-system/rook-ceph-operator-6b4c5d4684-q4sl4 to node3
Warning Failed 4m kubelet, node3 Failed to pull image "rook/ceph:master": rpc error: code = Unknown desc = error pulling image configuration: Get https://production.cloudflare.docker.com/registry-v2/docker/registry/v2/blobs/sha256/6a/6a24edf782ca5648a502bf81f368e3b1ba92988e733d72e2cf9025cac89903e1/data?verify=1549257241-9PpxfOCv75gYTQrP8VCjoqeYVnI%3D: x509: certificate has expired or is not yet valid
Normal SandboxChanged 4m kubelet, node3 Pod sandbox changed, it will be killed and re-created.
Warning Failed 3m kubelet, node3 Failed to pull image "rook/ceph:master": rpc error: code = Unknown desc = error pulling image configuration: Get https://production.cloudflare.docker.com/registry-v2/docker/registry/v2/blobs/sha256/6a/6a24edf782ca5648a502bf81f368e3b1ba92988e733d72e2cf9025cac89903e1/data?verify=1549257257-2PNM%2FFH5sUvEf1OU4hxgU0aI3%2Bw%3D: x509: certificate has expired or is not yet valid
Warning Failed 3m kubelet, node3 Failed to pull image "rook/ceph:master": rpc error: code = Unknown desc = error pulling image configuration: Get https://production.cloudflare.docker.com/registry-v2/docker/registry/v2/blobs/sha256/6a/6a24edf782ca5648a502bf81f368e3b1ba92988e733d72e2cf9025cac89903e1/data?verify=1549257290-ejyauPSi7E8OB9WDBixNDtyLivU%3D: x509: certificate has expired or is not yet valid
Normal Pulling 2m (x4 over 4m) kubelet, node3 pulling image "rook/ceph:master"
Warning Failed 2m (x4 over 4m) kubelet, node3 Error: ErrImagePull
Warning Failed 2m kubelet, node3 Failed to pull image "rook/ceph:master": rpc error: code = Unknown desc = error pulling image configuration: Get https://production.cloudflare.docker.com/registry-v2/docker/registry/v2/blobs/sha256/6a/6a24edf782ca5648a502bf81f368e3b1ba92988e733d72e2cf9025cac89903e1/data?verify=1549257336-%2Bd5Xd%2FOj0i9nrmnOWbHkGjv30Yw%3D: x509: certificate has expired or is not yet valid
Normal BackOff 2m (x6 over 3m) kubelet, node3 Back-off pulling image "rook/ceph:master"
Warning Failed 2m (x6 over 3m) kubelet, node3 Error: ImagePullBackOff
