Minikube pod 永远保持 pending 状态，无法调度
Minikube pod keep a forever pending status and failed to be scheduled
我是 kubernetes 的初学者。对不起，如果这是一个愚蠢的问题。
我正在使用 minikube 和 kvm2(5.0.0)。这是关于 minikube 和 kubectl 版本
的信息
Minikube 状态输出
host: Running
kubelet: Running
apiserver: Running
kubeconfig: Configured
kubectl cluster-info 输出：
Kubernetes master is running at https://127.0.0.1:32768
KubeDNS is running at https://127.0.0.1:32768/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy
我正在尝试使用 kubectl apply -f client-pod.yaml 部署一个 pod。这是我的 client-pod.yaml 配置
apiVersion: v1
kind: Pod
metadata:
name: client-pod
labels:
component: web
spec:
containers:
- name: client
image: stephengrider/multi-client
ports:
- containerPort: 3000
这是 kubectl get pods 输出：
NAME READY STATUS RESTARTS AGE
client-pod 0/1 Pending 0 4m15s
kubectl describe pods 输出：
Name: client-pod
Namespace: default
Priority: 0
Node: <none>
Labels: component=web
Annotations: kubectl.kubernetes.io/last-applied-configuration:
{"apiVersion":"v1","kind":"Pod","metadata":{"annotations":{},"labels":{"component":"web"},"name":"client-pod","namespace":"default"},"spec...
Status: Pending
IP:
IPs: <none>
Containers:
client:
Image: stephengrider/multi-client
Port: 3000/TCP
Host Port: 0/TCP
Environment: <none>
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from default-token-z45bq (ro)
Conditions:
Type Status
PodScheduled False
Volumes:
default-token-z45bq:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-z45bq
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
---- ------ ---- ---- -------
Warning FailedScheduling <unknown> default-scheduler 0/1 nodes are available: 1 node(s) had taints that the pod didn't tolerate.
Warning FailedScheduling <unknown> default-scheduler 0/1 nodes are available: 1 node(s) had taints that the pod didn't tolerate.
我一直在寻找一种方法来查看哪些污点正在停止 pod 进行初始化，但运气不佳。
有没有办法查看失败的污点？
kubectl get nodes 输出：
NAME STATUS ROLES AGE VERSION
m01 Ready master 11h v1.17.3
-- 编辑--
kubectl describe nodes 输出：
Name: home-pc
Roles: master
Labels: beta.kubernetes.io/arch=amd64
beta.kubernetes.io/os=linux
kubernetes.io/arch=amd64
kubernetes.io/hostname=home-pc
kubernetes.io/os=linux
minikube.k8s.io/commit=eb13446e786c9ef70cb0a9f85a633194e62396a1
minikube.k8s.io/name=minikube
minikube.k8s.io/updated_at=2020_03_17T22_51_28_0700
minikube.k8s.io/version=v1.8.2
node-role.kubernetes.io/master=
Annotations: kubeadm.alpha.kubernetes.io/cri-socket: /var/run/dockershim.sock
node.alpha.kubernetes.io/ttl: 0
volumes.kubernetes.io/controller-managed-attach-detach: true
CreationTimestamp: Tue, 17 Mar 2020 22:51:25 -0500
Taints: <none>
Unschedulable: false
Lease:
HolderIdentity: home-pc
AcquireTime: <unset>
RenewTime: Tue, 17 Mar 2020 22:51:41 -0500
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
MemoryPressure False Tue, 17 Mar 2020 22:51:41 -0500 Tue, 17 Mar 2020 22:51:21 -0500 KubeletHasSufficientMemory kubelet has sufficient memory available
DiskPressure False Tue, 17 Mar 2020 22:51:41 -0500 Tue, 17 Mar 2020 22:51:21 -0500 KubeletHasNoDiskPressure kubelet has no disk pressure
PIDPressure False Tue, 17 Mar 2020 22:51:41 -0500 Tue, 17 Mar 2020 22:51:21 -0500 KubeletHasSufficientPID kubelet has sufficient PID available
Ready True Tue, 17 Mar 2020 22:51:41 -0500 Tue, 17 Mar 2020 22:51:41 -0500 KubeletReady kubelet is posting ready status. AppArmor enabled
Addresses:
InternalIP: 192.168.0.12
Hostname: home-pc
Capacity:
cpu: 12
ephemeral-storage: 227688908Ki
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 8159952Ki
pods: 110
Allocatable:
cpu: 12
ephemeral-storage: 209838097266
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 8057552Ki
pods: 110
System Info:
Machine ID: 339d426453b4492da92f75d06acc1e0d
System UUID: 62eedb55-444f-61ce-75e9-b06ebf3331a0
Boot ID: a9ae9889-d7cb-48c5-ae75-b2052292ac7a
Kernel Version: 5.0.0-38-generic
OS Image: Ubuntu 19.04
Operating System: linux
Architecture: amd64
Container Runtime Version: docker://19.3.5
Kubelet Version: v1.17.3
Kube-Proxy Version: v1.17.3
Non-terminated Pods: (7 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits AGE
--------- ---- ------------ ---------- --------------- ------------- ---
kube-system coredns-6955765f44-mbwqt 100m (0%) 0 (0%) 70Mi (0%) 170Mi (2%) 10s
kube-system coredns-6955765f44-sblf2 100m (0%) 0 (0%) 70Mi (0%) 170Mi (2%) 10s
kube-system etcd-home-pc 0 (0%) 0 (0%) 0 (0%) 0 (0%) 13s
kube-system kube-apiserver-home-pc 250m (2%) 0 (0%) 0 (0%) 0 (0%) 13s
kube-system kube-controller-manager-home-pc 200m (1%) 0 (0%) 0 (0%) 0 (0%) 13s
kube-system kube-proxy-lk7xs 0 (0%) 0 (0%) 0 (0%) 0 (0%) 10s
kube-system kube-scheduler-home-pc 100m (0%) 0 (0%) 0 (0%) 0 (0%) 12s
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 750m (6%) 0 (0%)
memory 140Mi (1%) 340Mi (4%)
ephemeral-storage 0 (0%) 0 (0%)
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Starting 24s kubelet, home-pc Starting kubelet.
Normal NodeHasSufficientMemory 23s (x4 over 24s) kubelet, home-pc Node home-pc status is now: NodeHasSufficientMemory
Normal NodeHasNoDiskPressure 23s (x3 over 24s) kubelet, home-pc Node home-pc status is now: NodeHasNoDiskPressure
Normal NodeHasSufficientPID 23s (x3 over 24s) kubelet, home-pc Node home-pc status is now: NodeHasSufficientPID
Normal NodeAllocatableEnforced 23s kubelet, home-pc Updated Node Allocatable limit across pods
Normal Starting 13s kubelet, home-pc Starting kubelet.
Normal NodeHasSufficientMemory 13s kubelet, home-pc Node home-pc status is now: NodeHasSufficientMemory
Normal NodeHasNoDiskPressure 13s kubelet, home-pc Node home-pc status is now: NodeHasNoDiskPressure
Normal NodeHasSufficientPID 13s kubelet, home-pc Node home-pc status is now: NodeHasSufficientPID
Normal NodeAllocatableEnforced 13s kubelet, home-pc Updated Node Allocatable limit across pods
Normal Starting 9s kube-proxy, home-pc Starting kube-proxy.
Normal NodeReady 3s kubelet, home-pc Node home-pc status is now: NodeReady
您在节点上有一些污点，这会阻止调度程序部署 pod.Either 从主节点中删除污点或在 pod 规范中添加容忍度。
我是 kubernetes 的初学者。对不起，如果这是一个愚蠢的问题。
我正在使用 minikube 和 kvm2(5.0.0)。这是关于 minikube 和 kubectl 版本
Minikube 状态输出
host: Running
kubelet: Running
apiserver: Running
kubeconfig: Configured
kubectl cluster-info 输出：
Kubernetes master is running at https://127.0.0.1:32768
KubeDNS is running at https://127.0.0.1:32768/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy
我正在尝试使用 kubectl apply -f client-pod.yaml 部署一个 pod。这是我的 client-pod.yaml 配置
apiVersion: v1
kind: Pod
metadata:
name: client-pod
labels:
component: web
spec:
containers:
- name: client
image: stephengrider/multi-client
ports:
- containerPort: 3000
这是 kubectl get pods 输出：
NAME READY STATUS RESTARTS AGE
client-pod 0/1 Pending 0 4m15s
kubectl describe pods 输出：
Name: client-pod
Namespace: default
Priority: 0
Node: <none>
Labels: component=web
Annotations: kubectl.kubernetes.io/last-applied-configuration:
{"apiVersion":"v1","kind":"Pod","metadata":{"annotations":{},"labels":{"component":"web"},"name":"client-pod","namespace":"default"},"spec...
Status: Pending
IP:
IPs: <none>
Containers:
client:
Image: stephengrider/multi-client
Port: 3000/TCP
Host Port: 0/TCP
Environment: <none>
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from default-token-z45bq (ro)
Conditions:
Type Status
PodScheduled False
Volumes:
default-token-z45bq:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-z45bq
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
---- ------ ---- ---- -------
Warning FailedScheduling <unknown> default-scheduler 0/1 nodes are available: 1 node(s) had taints that the pod didn't tolerate.
Warning FailedScheduling <unknown> default-scheduler 0/1 nodes are available: 1 node(s) had taints that the pod didn't tolerate.
我一直在寻找一种方法来查看哪些污点正在停止 pod 进行初始化，但运气不佳。
有没有办法查看失败的污点？
kubectl get nodes 输出：
NAME STATUS ROLES AGE VERSION
m01 Ready master 11h v1.17.3
-- 编辑--
kubectl describe nodes 输出：
Name: home-pc
Roles: master
Labels: beta.kubernetes.io/arch=amd64
beta.kubernetes.io/os=linux
kubernetes.io/arch=amd64
kubernetes.io/hostname=home-pc
kubernetes.io/os=linux
minikube.k8s.io/commit=eb13446e786c9ef70cb0a9f85a633194e62396a1
minikube.k8s.io/name=minikube
minikube.k8s.io/updated_at=2020_03_17T22_51_28_0700
minikube.k8s.io/version=v1.8.2
node-role.kubernetes.io/master=
Annotations: kubeadm.alpha.kubernetes.io/cri-socket: /var/run/dockershim.sock
node.alpha.kubernetes.io/ttl: 0
volumes.kubernetes.io/controller-managed-attach-detach: true
CreationTimestamp: Tue, 17 Mar 2020 22:51:25 -0500
Taints: <none>
Unschedulable: false
Lease:
HolderIdentity: home-pc
AcquireTime: <unset>
RenewTime: Tue, 17 Mar 2020 22:51:41 -0500
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
MemoryPressure False Tue, 17 Mar 2020 22:51:41 -0500 Tue, 17 Mar 2020 22:51:21 -0500 KubeletHasSufficientMemory kubelet has sufficient memory available
DiskPressure False Tue, 17 Mar 2020 22:51:41 -0500 Tue, 17 Mar 2020 22:51:21 -0500 KubeletHasNoDiskPressure kubelet has no disk pressure
PIDPressure False Tue, 17 Mar 2020 22:51:41 -0500 Tue, 17 Mar 2020 22:51:21 -0500 KubeletHasSufficientPID kubelet has sufficient PID available
Ready True Tue, 17 Mar 2020 22:51:41 -0500 Tue, 17 Mar 2020 22:51:41 -0500 KubeletReady kubelet is posting ready status. AppArmor enabled
Addresses:
InternalIP: 192.168.0.12
Hostname: home-pc
Capacity:
cpu: 12
ephemeral-storage: 227688908Ki
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 8159952Ki
pods: 110
Allocatable:
cpu: 12
ephemeral-storage: 209838097266
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 8057552Ki
pods: 110
System Info:
Machine ID: 339d426453b4492da92f75d06acc1e0d
System UUID: 62eedb55-444f-61ce-75e9-b06ebf3331a0
Boot ID: a9ae9889-d7cb-48c5-ae75-b2052292ac7a
Kernel Version: 5.0.0-38-generic
OS Image: Ubuntu 19.04
Operating System: linux
Architecture: amd64
Container Runtime Version: docker://19.3.5
Kubelet Version: v1.17.3
Kube-Proxy Version: v1.17.3
Non-terminated Pods: (7 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits AGE
--------- ---- ------------ ---------- --------------- ------------- ---
kube-system coredns-6955765f44-mbwqt 100m (0%) 0 (0%) 70Mi (0%) 170Mi (2%) 10s
kube-system coredns-6955765f44-sblf2 100m (0%) 0 (0%) 70Mi (0%) 170Mi (2%) 10s
kube-system etcd-home-pc 0 (0%) 0 (0%) 0 (0%) 0 (0%) 13s
kube-system kube-apiserver-home-pc 250m (2%) 0 (0%) 0 (0%) 0 (0%) 13s
kube-system kube-controller-manager-home-pc 200m (1%) 0 (0%) 0 (0%) 0 (0%) 13s
kube-system kube-proxy-lk7xs 0 (0%) 0 (0%) 0 (0%) 0 (0%) 10s
kube-system kube-scheduler-home-pc 100m (0%) 0 (0%) 0 (0%) 0 (0%) 12s
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 750m (6%) 0 (0%)
memory 140Mi (1%) 340Mi (4%)
ephemeral-storage 0 (0%) 0 (0%)
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Starting 24s kubelet, home-pc Starting kubelet.
Normal NodeHasSufficientMemory 23s (x4 over 24s) kubelet, home-pc Node home-pc status is now: NodeHasSufficientMemory
Normal NodeHasNoDiskPressure 23s (x3 over 24s) kubelet, home-pc Node home-pc status is now: NodeHasNoDiskPressure
Normal NodeHasSufficientPID 23s (x3 over 24s) kubelet, home-pc Node home-pc status is now: NodeHasSufficientPID
Normal NodeAllocatableEnforced 23s kubelet, home-pc Updated Node Allocatable limit across pods
Normal Starting 13s kubelet, home-pc Starting kubelet.
Normal NodeHasSufficientMemory 13s kubelet, home-pc Node home-pc status is now: NodeHasSufficientMemory
Normal NodeHasNoDiskPressure 13s kubelet, home-pc Node home-pc status is now: NodeHasNoDiskPressure
Normal NodeHasSufficientPID 13s kubelet, home-pc Node home-pc status is now: NodeHasSufficientPID
Normal NodeAllocatableEnforced 13s kubelet, home-pc Updated Node Allocatable limit across pods
Normal Starting 9s kube-proxy, home-pc Starting kube-proxy.
Normal NodeReady 3s kubelet, home-pc Node home-pc status is now: NodeReady
您在节点上有一些污点，这会阻止调度程序部署 pod.Either 从主节点中删除污点或在 pod 规范中添加容忍度。