I'm having a problem with my GKE cluster, all the pods are stuck with ContainerCreating status. When I run the kubectl get events I see this error:
Failed create pod sandbox: rpc error: code = Unknown desc = Error response from daemon: Get https://k8s.gcr.io/v2/: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)Anyone knows what the hell is happening? I can't find this solution anywhere.
EDIT I saw this post https://github.com/kubernetes/kubernetes/issues/44273 saying that the GKE instances that are small than the default google instance for GKE(n1-standard-1) can have network problems. So I changed my instances to the default type, but without success. Here are my node and pod descriptions:
Name: gke-aditum-k8scluster--pool-nodes-dev-500ebc8b-bgb6
Roles: <none>
Labels: beta.kubernetes.io/arch=amd64
beta.kubernetes.io/fluentd-ds-ready=true
beta.kubernetes.io/instance-type=n1-standard-1
beta.kubernetes.io/os=linux
cloud.google.com/gke-nodepool=pool-nodes-dev
failure-domain.beta.kubernetes.io/region=southamerica-east1
failure-domain.beta.kubernetes.io/zone=southamerica-east1-a
kubernetes.io/hostname=gke-aditum-k8scluster--pool-nodes-dev-500ebc8b-bgb6
Annotations: node.alpha.kubernetes.io/ttl=0
volumes.kubernetes.io/controller-managed-attach-detach=true
CreationTimestamp: Thu, 27 Sep 2018 20:27:47 -0300
Taints: <none>
Unschedulable: false
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
KernelDeadlock False Fri, 28 Sep 2018 09:58:58 -0300 Thu, 27 Sep 2018 20:27:16 -0300 KernelHasNoDeadlock kernel has no deadlock
FrequentUnregisterNetDevice False Fri, 28 Sep 2018 09:58:58 -0300 Thu, 27 Sep 2018 20:32:18 -0300 UnregisterNetDevice node is functioning properly
NetworkUnavailable False Thu, 27 Sep 2018 20:27:48 -0300 Thu, 27 Sep 2018 20:27:48 -0300 RouteCreated NodeController create implicit route
OutOfDisk False Fri, 28 Sep 2018 09:59:03 -0300 Thu, 27 Sep 2018 20:27:47 -0300 KubeletHasSufficientDisk kubelet has sufficient disk space available
MemoryPressure False Fri, 28 Sep 2018 09:59:03 -0300 Thu, 27 Sep 2018 20:27:47 -0300 KubeletHasSufficientMemory kubelet has sufficient memory available
DiskPressure False Fri, 28 Sep 2018 09:59:03 -0300 Thu, 27 Sep 2018 20:27:47 -0300 KubeletHasNoDiskPressure kubelet has no disk pressure
PIDPressure False Fri, 28 Sep 2018 09:59:03 -0300 Thu, 27 Sep 2018 20:27:47 -0300 KubeletHasSufficientPID kubelet has sufficient PID available
Ready True Fri, 28 Sep 2018 09:59:03 -0300 Thu, 27 Sep 2018 20:28:07 -0300 KubeletReady kubelet is posting ready status. AppArmor enabled
Addresses:
InternalIP: 10.0.0.2
ExternalIP:
Hostname: gke-aditum-k8scluster--pool-nodes-dev-500ebc8b-bgb6
Capacity:
cpu: 1
ephemeral-storage: 98868448Ki
hugepages-2Mi: 0
memory: 3787608Ki
pods: 110
Allocatable:
cpu: 940m
ephemeral-storage: 47093746742
hugepages-2Mi: 0
memory: 2702168Ki
pods: 110
System Info:
Machine ID: 1e8e0ecad8f5cc7fb5851bc64513d40c
System UUID: 1E8E0ECA-D8F5-CC7F-B585-1BC64513D40C
Boot ID: 971e5088-6bc1-4151-94bf-b66c6c7ee9a3
Kernel Version: 4.14.56+
OS Image: Container-Optimized OS from Google
Operating System: linux
Architecture: amd64
Container Runtime Version: docker://17.3.2
Kubelet Version: v1.10.7-gke.2
Kube-Proxy Version: v1.10.7-gke.2
PodCIDR: 10.0.32.0/24
ProviderID: gce://aditumpay/southamerica-east1-a/gke-aditum-k8scluster--pool-nodes-dev-500ebc8b-bgb6
Non-terminated Pods: (11 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits
--------- ---- ------------ ---------- --------------- -------------
kube-system event-exporter-v0.2.1-5f5b89fcc8-xsvmg 0 (0%) 0 (0%) 0 (0%) 0 (0%)
kube-system fluentd-gcp-scaler-7c5db745fc-vttc9 0 (0%) 0 (0%) 0 (0%) 0 (0%)
kube-system fluentd-gcp-v3.1.0-sz8r8 0 (0%) 0 (0%) 0 (0%) 0 (0%)
kube-system heapster-v1.5.3-75486b456f-sj7k8 138m (14%) 138m (14%) 301856Ki (11%) 301856Ki (11%)
kube-system kube-dns-788979dc8f-99xvh 260m (27%) 0 (0%) 110Mi (4%) 170Mi (6%)
kube-system kube-dns-788979dc8f-9sz2b 260m (27%) 0 (0%) 110Mi (4%) 170Mi (6%)
kube-system kube-dns-autoscaler-79b4b844b9-6s8x2 20m (2%) 0 (0%) 10Mi (0%) 0 (0%)
kube-system kube-proxy-gke-aditum-k8scluster--pool-nodes-dev-500ebc8b-bgb6 100m (10%) 0 (0%) 0 (0%) 0 (0%)
kube-system kubernetes-dashboard-598d75cb96-6nhcd 50m (5%) 100m (10%) 100Mi (3%) 300Mi (11%)
kube-system l7-default-backend-5d5b9874d5-8wk6h 10m (1%) 10m (1%) 20Mi (0%) 20Mi (0%)
kube-system metrics-server-v0.2.1-7486f5bd67-fvddz 53m (5%) 148m (15%) 154Mi (5%) 404Mi (15%)
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 891m (94%) 396m (42%)
memory 817952Ki (30%) 1391392Ki (51%)
Events: <none>The other node:
Name: gke-aditum-k8scluster--pool-nodes-dev-500ebc8b-m7bz
Roles: <none>
Labels: beta.kubernetes.io/arch=amd64
beta.kubernetes.io/fluentd-ds-ready=true
beta.kubernetes.io/instance-type=n1-standard-1
beta.kubernetes.io/os=linux
cloud.google.com/gke-nodepool=pool-nodes-dev
failure-domain.beta.kubernetes.io/region=southamerica-east1
failure-domain.beta.kubernetes.io/zone=southamerica-east1-a
kubernetes.io/hostname=gke-aditum-k8scluster--pool-nodes-dev-500ebc8b-m7bz
Annotations: node.alpha.kubernetes.io/ttl=0
volumes.kubernetes.io/controller-managed-attach-detach=true
CreationTimestamp: Thu, 27 Sep 2018 20:30:05 -0300
Taints: <none>
Unschedulable: false
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
KernelDeadlock False Fri, 28 Sep 2018 10:11:03 -0300 Thu, 27 Sep 2018 20:29:34 -0300 KernelHasNoDeadlock kernel has no deadlock
FrequentUnregisterNetDevice False Fri, 28 Sep 2018 10:11:03 -0300 Thu, 27 Sep 2018 20:34:36 -0300 UnregisterNetDevice node is functioning properly
NetworkUnavailable False Thu, 27 Sep 2018 20:30:06 -0300 Thu, 27 Sep 2018 20:30:06 -0300 RouteCreated NodeController create implicit route
OutOfDisk False Fri, 28 Sep 2018 10:11:49 -0300 Thu, 27 Sep 2018 20:30:05 -0300 KubeletHasSufficientDisk kubelet has sufficient disk space available
MemoryPressure False Fri, 28 Sep 2018 10:11:49 -0300 Thu, 27 Sep 2018 20:30:05 -0300 KubeletHasSufficientMemory kubelet has sufficient memory available
DiskPressure False Fri, 28 Sep 2018 10:11:49 -0300 Thu, 27 Sep 2018 20:30:05 -0300 KubeletHasNoDiskPressure kubelet has no disk pressure
PIDPressure False Fri, 28 Sep 2018 10:11:49 -0300 Thu, 27 Sep 2018 20:30:05 -0300 KubeletHasSufficientPID kubelet has sufficient PID available
Ready True Fri, 28 Sep 2018 10:11:49 -0300 Thu, 27 Sep 2018 20:30:25 -0300 KubeletReady kubelet is posting ready status. AppArmor enabled
Addresses:
InternalIP: 10.0.0.3
ExternalIP:
Hostname: gke-aditum-k8scluster--pool-nodes-dev-500ebc8b-m7bz
Capacity:
cpu: 1
ephemeral-storage: 98868448Ki
hugepages-2Mi: 0
memory: 3787608Ki
pods: 110
Allocatable:
cpu: 940m
ephemeral-storage: 47093746742
hugepages-2Mi: 0
memory: 2702168Ki
pods: 110
System Info:
Machine ID: f1d5cf2a0b2c5472cf6509778a7941a7
System UUID: F1D5CF2A-0B2C-5472-CF65-09778A7941A7
Boot ID: f35bebb8-acd7-4a2f-95d6-76604638aef9
Kernel Version: 4.14.56+
OS Image: Container-Optimized OS from Google
Operating System: linux
Architecture: amd64
Container Runtime Version: docker://17.3.2
Kubelet Version: v1.10.7-gke.2
Kube-Proxy Version: v1.10.7-gke.2
PodCIDR: 10.0.33.0/24
ProviderID: gce://aditumpay/southamerica-east1-a/gke-aditum-k8scluster--pool-nodes-dev-500ebc8b-m7bz
Non-terminated Pods: (7 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits
--------- ---- ------------ ---------- --------------- -------------
default aditum-payment-7d966c494c-wpk2t 100m (10%) 0 (0%) 0 (0%) 0 (0%)
default aditum-portal-dev-5c69d76bb6-n5d5b 100m (10%) 0 (0%) 0 (0%) 0 (0%)
default aditum-vtexapi-5c758fcfb7-rhvsn 100m (10%) 0 (0%) 0 (0%) 0 (0%)
default admin-mongo-dev-7d9f7f7d46-rrj42 100m (10%) 0 (0%) 0 (0%) 0 (0%)
default mongod-0 200m (21%) 0 (0%) 200Mi (7%) 0 (0%)
kube-system fluentd-gcp-v3.1.0-pgwfx 0 (0%) 0 (0%) 0 (0%) 0 (0%)
kube-system kube-proxy-gke-aditum-k8scluster--pool-nodes-dev-500ebc8b-m7bz 100m (10%) 0 (0%) 0 (0%) 0 (0%)
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 700m (74%) 0 (0%)
memory 200Mi (7%) 0 (0%)
Events: <none>All the cluster's pods are stucked.
NAMESPACE NAME READY STATUS RESTARTS AGE
default aditum-payment-7d966c494c-wpk2t 0/1 ContainerCreating 0 13h
default aditum-portal-dev-5c69d76bb6-n5d5b 0/1 ContainerCreating 0 13h
default aditum-vtexapi-5c758fcfb7-rhvsn 0/1 ContainerCreating 0 13h
default admin-mongo-dev-7d9f7f7d46-rrj42 0/1 ContainerCreating 0 13h
default mongod-0 0/1 ContainerCreating 0 13h
kube-system event-exporter-v0.2.1-5f5b89fcc8-xsvmg 0/2 ContainerCreating 0 13h
kube-system fluentd-gcp-scaler-7c5db745fc-vttc9 0/1 ContainerCreating 0 13h
kube-system fluentd-gcp-v3.1.0-pgwfx 0/2 ContainerCreating 0 16h
kube-system fluentd-gcp-v3.1.0-sz8r8 0/2 ContainerCreating 0 16h
kube-system heapster-v1.5.3-75486b456f-sj7k8 0/3 ContainerCreating 0 13h
kube-system kube-dns-788979dc8f-99xvh 0/4 ContainerCreating 0 13h
kube-system kube-dns-788979dc8f-9sz2b 0/4 ContainerCreating 0 13h
kube-system kube-dns-autoscaler-79b4b844b9-6s8x2 0/1 ContainerCreating 0 13h
kube-system kube-proxy-gke-aditum-k8scluster--pool-nodes-dev-500ebc8b-bgb6 0/1 ContainerCreating 0 13h
kube-system kube-proxy-gke-aditum-k8scluster--pool-nodes-dev-500ebc8b-m7bz 0/1 ContainerCreating 0 13h
kube-system kubernetes-dashboard-598d75cb96-6nhcd 0/1 ContainerCreating 0 13h
kube-system l7-default-backend-5d5b9874d5-8wk6h 0/1 ContainerCreating 0 13h
kube-system metrics-server-v0.2.1-7486f5bd67-fvddz 0/2 ContainerCreating 0 13hA stucked pod.
Name: aditum-payment-7d966c494c-wpk2t
Namespace: default
Node: gke-aditum-k8scluster--pool-nodes-dev-500ebc8b-m7bz/10.0.0.3
Start Time: Thu, 27 Sep 2018 20:30:47 -0300
Labels: io.kompose.service=aditum-payment
pod-template-hash=3852270507
Annotations: kubernetes.io/limit-ranger=LimitRanger plugin set: cpu request for container aditum-payment
Status: Pending
IP:
Controlled By: ReplicaSet/aditum-payment-7d966c494c
Containers:
aditum-payment:
Container ID:
Image: gcr.io/aditumpay/aditumpaymentwebapi:latest
Image ID:
Port: 5000/TCP
Host Port: 0/TCP
State: Waiting
Reason: ContainerCreating
Ready: False
Restart Count: 0
Requests:
cpu: 100m
Environment:
CONNECTIONSTRING: <set to the key 'CONNECTIONSTRING' of config map 'aditum-payment-config'> Optional: false
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from default-token-qsc9k (ro)
Conditions:
Type Status
Initialized True
Ready False
PodScheduled True
Volumes:
default-token-qsc9k:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-qsc9k
Optional: false
QoS Class: Burstable
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
---- ------ ---- ---- -------
Warning FailedCreatePodSandBox 3m (x1737 over 13h) kubelet, gke-aditum-k8scluster--pool-nodes-dev-500ebc8b-m7bz Failed create pod sandbox: rpc error: code = Unknown desc = Error response from daemon: Get https://k8s.gcr.io/v2/: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)Thanks!
In addition of the description of your nodes, it ca depend from where you are launching them.
As mentioned in kubernetes/minikube issue 2148 or kubernetes/minikube issue 3142, that won't work from China.
The workaround in that case is to find another source, pull it and tag it:
minikube ssh \
"docker pull registry.cn-hangzhou.aliyuncs.com/google-containers/pause-amd64:3.0
docker tag registry.cn-hangzhou.aliyuncs.com/google-containers/pause-amd64:3.0 gcr.io/google_containers/pause-amd64:3.0"Sorry for taking to long to respond. It was a very silly problem. After I reach the google cloud support, I notice that my NAT machine was not working properly. The PrivateAccess route was passing thougth my NAT. Thanks everyone for the help.