coredns is stuck as below.
Please help me~~!!!
XXXX:~$ kubectl get pods -n kube-system
NAME READY STATUS RESTARTS AGE
coredns-6d4b75cb6d-2425h 0/1 ContainerCreating 0 16m
coredns-6d4b75cb6d-j2wjf 0/1 ContainerCreating 0 16m
etcd-alienware-m15 1/1 Running 4 16m
kube-apiserver-alienware-m15 1/1 Running 4 16m
kube-controller-manager-alienware-m15 1/1 Running 4 16m
kube-proxy-dmnp8 1/1 Running 0 16m
kube-scheduler-alienware-m15 1/1 Running 4 16m
weave-net-k4xgx 2/2 Running 0 12m
XXXX~$ kubectl describe pods coredns-6d4b75cb6d-j2wjf -n kube-system
Name: coredns-6d4b75cb6d-j2wjf
Namespace: kube-system
Priority: 2000000000
Priority Class Name: system-cluster-critical
Node: alienware-m15/192.168.0.121
Start Time: Fri, 03 Jun 2022 19:14:43 +0900
Labels: k8s-app=kube-dns
pod-template-hash=6d4b75cb6d
Annotations:
Status: Pending
IP:
IPs:
Controlled By: ReplicaSet/coredns-6d4b75cb6d
Containers:
coredns:
Container ID:
Image: k8s.gcr.io/coredns/coredns:v1.8.6
Image ID:
Ports: 53/UDP, 53/TCP, 9153/TCP
Host Ports: 0/UDP, 0/TCP, 0/TCP
Args:
-conf
/etc/coredns/Corefile
State: Waiting
Reason: ContainerCreating
Ready: False
Restart Count: 0
Limits:
memory: 170Mi
Requests:
cpu: 100m
memory: 70Mi
Liveness: http-get http://:8080/health delay=60s timeout=5s period=10s #success=1 #failure=5
Readiness: http-get http://:8181/ready delay=0s timeout=1s period=10s #success=1 #failure=3
Environment:
Mounts:
/etc/coredns from config-volume (ro)
/var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-xzntg (ro)
Conditions:
Type Status
Initialized True
Ready False
ContainersReady False
PodScheduled True
Volumes:
config-volume:
Type: ConfigMap (a volume populated by a ConfigMap)
Name: coredns
Optional: false
kube-api-access-xzntg:
Type: Projected (a volume that contains injected data from multiple sources)
TokenExpirationSeconds: 3607
ConfigMapName: kube-root-ca.crt
ConfigMapOptional:
DownwardAPI: true
QoS Class: Burstable
Node-Selectors: kubernetes.io/os=linux
Tolerations: CriticalAddonsOnly op=Exists
node-role.kubernetes.io/control-plane:NoSchedule
node-role.kubernetes.io/master:NoSchedule
node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events:
Type Reason Age From Message
Normal Scheduled 19m default-scheduler Successfully assigned kube-system/coredns-6d4b75cb6d-j2wjf to alienware-m15
Warning FailedCreatePodSandBox 19m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "245dc659076edff594dc273e9c07079b47fd504ac1800c5295c7b6a8c06539d7": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes")
Warning FailedCreatePodSandBox 19m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "cb59dc70a763dcff9587d04440c81575637eb118c334bab34999a306fd5d05c8": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes")
Warning FailedCreatePodSandBox 18m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "bf173b1abca1df5b96d69b28a0ecbc56d5ac6beb5f7c19571b6f02b0d10c8573": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes")
Warning FailedCreatePodSandBox 18m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "9fb96da7f956acfebd89ec4db8608475366ffdd17337a2c79c5e87c278d06ab4": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes")
Warning FailedCreatePodSandBox 18m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "78a8d628664f1a0e3d686c4632601221753b09f1ff6c6abf03a5472dd19a9411": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes")
Warning FailedCreatePodSandBox 18m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "759c9c6ae9cdf41391db6cc01b1819df8d0295067610b6376baa524e92a61c0c": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes")
Warning FailedCreatePodSandBox 17m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "6422f8f0f09fcd0375101839520d2f9e2c9d04c23877853f686c0e1598f88c4c": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes")
Warning FailedCreatePodSandBox 17m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "df458fc88a220ed14921956b5da8ffd34c53fba7cf0442e574e9ae5f9ef70a9c": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes")
Warning FailedCreatePodSandBox 17m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "4effffeaa6ce0f5a8a91ce1390f2843fec78f68664ffb3e1641fb230c430a1c0": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes")
Warning FailedCreatePodSandBox 4m16s (x61 over 17m) kubelet (combined from similar events): Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "83db114211a2922e28a2aa83811d4fb6713e5d82ce33a0a510d90d413c6525e4": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes")
phyljh
commented
2 years ago
coredns is stuck as below. Please help me~~!!! XXXX:~$ kubectl get pods -n kube-system NAME READY STATUS RESTARTS AGE coredns-6d4b75cb6d-2425h 0/1 ContainerCreating 0 16m coredns-6d4b75cb6d-j2wjf 0/1 ContainerCreating 0 16m etcd-alienware-m15 1/1 Running 4 16m kube-apiserver-alienware-m15 1/1 Running 4 16m kube-controller-manager-alienware-m15 1/1 Running 4 16m kube-proxy-dmnp8 1/1 Running 0 16m kube-scheduler-alienware-m15 1/1 Running 4 16m weave-net-k4xgx 2/2 Running 0 12m
XXXX~$ kubectl describe pods coredns-6d4b75cb6d-j2wjf -n kube-system Name: coredns-6d4b75cb6d-j2wjf Namespace: kube-system Priority: 2000000000 Priority Class Name: system-cluster-critical Node: alienware-m15/192.168.0.121 Start Time: Fri, 03 Jun 2022 19:14:43 +0900 Labels: k8s-app=kube-dns pod-template-hash=6d4b75cb6d Annotations:
Status: Pending
IP:
Controlled By: ReplicaSet/coredns-6d4b75cb6d
Containers:
coredns:
Container ID:
Mounts:
/etc/coredns from config-volume (ro)
/var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-xzntg (ro)
Conditions:
Type Status
Initialized True
Ready False
ContainersReady False
PodScheduled True
Volumes:
config-volume:
Type: ConfigMap (a volume populated by a ConfigMap)
Name: coredns
Optional: false
kube-api-access-xzntg:
Type: Projected (a volume that contains injected data from multiple sources)
TokenExpirationSeconds: 3607
ConfigMapName: kube-root-ca.crt
ConfigMapOptional:
DownwardAPI: true
QoS Class: Burstable
Node-Selectors: kubernetes.io/os=linux
Tolerations: CriticalAddonsOnly op=Exists
node-role.kubernetes.io/control-plane:NoSchedule
node-role.kubernetes.io/master:NoSchedule
node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events:
Type Reason Age From Message
IPs:
Image: k8s.gcr.io/coredns/coredns:v1.8.6 Image ID:
Ports: 53/UDP, 53/TCP, 9153/TCP Host Ports: 0/UDP, 0/TCP, 0/TCP Args: -conf /etc/coredns/Corefile State: Waiting Reason: ContainerCreating Ready: False Restart Count: 0 Limits: memory: 170Mi Requests: cpu: 100m memory: 70Mi Liveness: http-get http://:8080/health delay=60s timeout=5s period=10s #success=1 #failure=5 Readiness: http-get http://:8181/ready delay=0s timeout=1s period=10s #success=1 #failure=3 Environment:
Normal Scheduled 19m default-scheduler Successfully assigned kube-system/coredns-6d4b75cb6d-j2wjf to alienware-m15 Warning FailedCreatePodSandBox 19m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "245dc659076edff594dc273e9c07079b47fd504ac1800c5295c7b6a8c06539d7": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes") Warning FailedCreatePodSandBox 19m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "cb59dc70a763dcff9587d04440c81575637eb118c334bab34999a306fd5d05c8": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes") Warning FailedCreatePodSandBox 18m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "bf173b1abca1df5b96d69b28a0ecbc56d5ac6beb5f7c19571b6f02b0d10c8573": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes") Warning FailedCreatePodSandBox 18m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "9fb96da7f956acfebd89ec4db8608475366ffdd17337a2c79c5e87c278d06ab4": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes") Warning FailedCreatePodSandBox 18m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "78a8d628664f1a0e3d686c4632601221753b09f1ff6c6abf03a5472dd19a9411": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes") Warning FailedCreatePodSandBox 18m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "759c9c6ae9cdf41391db6cc01b1819df8d0295067610b6376baa524e92a61c0c": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes") Warning FailedCreatePodSandBox 17m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "6422f8f0f09fcd0375101839520d2f9e2c9d04c23877853f686c0e1598f88c4c": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes") Warning FailedCreatePodSandBox 17m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "df458fc88a220ed14921956b5da8ffd34c53fba7cf0442e574e9ae5f9ef70a9c": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes") Warning FailedCreatePodSandBox 17m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "4effffeaa6ce0f5a8a91ce1390f2843fec78f68664ffb3e1641fb230c430a1c0": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes") Warning FailedCreatePodSandBox 4m16s (x61 over 17m) kubelet (combined from similar events): Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "83db114211a2922e28a2aa83811d4fb6713e5d82ce33a0a510d90d413c6525e4": error getting ClusterInformation: Get "https://[10.96.0.1]:443/apis/crd.projectcalico.org/v1/clusterinformations/default": x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes")