macos - minikube 错误试图在 osx 上达到 172.17.0.4:8080
问题描述
我正在使用 osx 上的 minikube 在本地做 kubernetes 教程。在https://kubernetes.io/docs/tutorials/kubernetes-basics/deploy-app/deploy-interactive/第 3 步中,我收到错误
% curl http://localhost:8001/api/v1/namespaces/default/pods/$POD_NAME/proxy/
Error: 'dial tcp 172.17.0.4:8080: getsockopt: connection refused'
Trying to reach: 'http://172.17.0.4:8080/'%
知道为什么这在本地不起作用吗?更简单的请求确实有效
% curl http://localhost:8001/version
{
"major": "1",
"minor": "10",
"gitVersion": "v1.10.0",
"gitCommit": "fc32d2f3698e36b93322a3465f63a14e9f0eaead",
"gitTreeState": "clean",
"buildDate": "2018-03-26T16:44:10Z",
"goVersion": "go1.9.3",
"compiler": "gc",
"platform": "linux/amd64"
信息
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
kubernetes-bootcamp-74f58d6b87-ntn5r 0/1 ImagePullBackOff 0 21h
日志
$ kubectl logs $POD_NAME
Error from server (BadRequest): container "kubernetes-bootcamp" in pod "kubernetes-bootcamp-74f58d6b87-w4zh8" is waiting to start: trying and failing to pull image
那么运行命令正在启动节点但 pod 崩溃了?为什么?
$ kubectl run kubernetes-bootcamp --image=gcr.io/google-samples/kubernetes-bootcamp:v1 --port=8080
我可以毫无问题地拉出图像
$ docker pull gcr.io/google-samples/kubernetes-bootcamp:v1
v1: Pulling from google-samples/kubernetes-bootcamp
5c90d4a2d1a8: Pull complete
ab30c63719b1: Pull complete
29d0bc1e8c52: Pull complete
d4fe0dc68927: Pull complete
dfa9e924f957: Pull complete
Digest: sha256:0d6b8ee63bb57c5f5b6156f446b3bc3b3c143d233037f3a2f00e279c8fcc64af
Status: Downloaded newer image for gcr.io/google-samples/kubernetes-bootcamp:v1
描述
$ kubectl describe pods
Name: kubernetes-bootcamp-74f58d6b87-w4zh8
Namespace: default
Node: minikube/10.0.2.15
Start Time: Tue, 24 Jul 2018 15:05:00 -0400
Labels: pod-template-hash=3091482643
run=kubernetes-bootcamp
Annotations: <none>
Status: Pending
IP: 172.17.0.3
Controlled By: ReplicaSet/kubernetes-bootcamp-74f58d6b87
Containers:
kubernetes-bootcamp:
Container ID:
Image: gci.io/google-samples/kubernetes-bootcamp:v1
Image ID:
Port: 8080/TCP
State: Waiting
Reason: ImagePullBackOff
Ready: False
Restart Count: 0
Environment: <none>
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from default-token-wp28q (ro)
Conditions:
Type Status
Initialized True
Ready False
PodScheduled True
Volumes:
default-token-wp28q:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-wp28q
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 BackOff 23m (x281 over 1h) kubelet, minikube Back-off pulling image "gci.io/google-samples/kubernetes-bootcamp:v1"
Warning Failed 4m (x366 over 1h) kubelet, minikube Error: ImagePullBackOff
解决方案
Minikube是一个可以轻松在本地运行Kubernetes的工具。
Minikube 在您笔记本电脑上的虚拟机内运行单节点 Kubernetes 集群,供希望试用 Kubernetes 或日常使用它进行开发的用户使用。
回到你的问题。您是否检查过您是否提供了足够的资源来运行 Minikube 环境?
您可以尝试运行 minikube 并强制分配更多内存:
minikube start --memory 4096
如需进一步分析,请提供有关专用于此安装的资源和您使用的管理程序类型的信息。
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