ingress
curl -o ingress-nginx.yaml https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-0.32.0/deploy/static/provider/cloud/deploy.yaml
kubectl apply -f ingress-nginx.yaml
% kubectl get pods –all-namespaces -l app.kubernetes.io/name=ingress-nginx
NAMESPACE NAME READY STATUS RESTARTS AGE
ingress-nginx ingress-nginx-admission-create-hszqp 0/1 Completed 0 49s
ingress-nginx ingress-nginx-admission-patch-q87l4 0/1 Completed 0 48s
ingress-nginx ingress-nginx-controller-98f46f89d-g27tk 0/1 ContainerCreating 0 59s
brew install helm
Add helm repo
helm repo add stable http://mirror.azure.cn/kubernetes/charts/
Update charts repo
% helm repo update
Hang tight while we grab the latest from your chart repositories…
…Successfully got an update from the “stable” chart repository
Update Complete. ⎈Happy Helming!⎈
https://cloud.tencent.com/document/product/457/42946
% kubectl describe pod ingress-nginx-controller-98f46f89d-g27tk -n ingress-nginx
Events:
Type Reason Age From Message
—- —— —- —- ——-
Normal Scheduled 13m default-scheduler Successfully assigned ingress-nginx/ingress-nginx-controller-98f46f89d-g27tk to docker-desktop
Warning FailedMount 13m (x6 over 13m) kubelet MountVolume.SetUp failed for volume “webhook-cert” : secret “ingress-nginx-admission” not found
Normal Pulling 13m kubelet Pulling image “quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.32.0”
Warning Failed 45s kubelet Failed to pull image “quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.32.0”: rpc error: code = Unknown desc = context canceled
Warning Failed 45s kubelet Error: ErrImagePull
Normal BackOff 44s kubelet Back-off pulling image “quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.32.0”
Warning Failed 44s kubelet Error: ImagePullBackOff
Normal Pulling 32s (x2 over 6m31s) kubelet Pulling image “quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.32.0”
Normal Pulled 1s kubelet Successfully pulled image “quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.32.0” in 31.139592431
docker pull quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.32.0
% kubectl get pods –all-namespaces -l app.kubernetes.io/name=ingress-nginx
NAMESPACE NAME READY STATUS RESTARTS AGE
ingress-nginx ingress-nginx-admission-create-hszqp 0/1 Completed 0 18m
ingress-nginx ingress-nginx-admission-patch-q87l4 0/1 Completed 0 18m
ingress-nginx ingress-nginx-controller-98f46f89d-g27tk 1/1 Running 0 18m
https://stackoverflow.com/questions/51234378/why-do-pods-with-completed-status-still-show-up-in-kubctl-get-pods
%kubectl delete -f ingress-nginx.yaml
Error from server (Forbidden): error when creating “ingress-nginx.yaml”: serviceaccounts “ingress-nginx-admission” is forbidden: unable to create new content in namespace ingress-nginx because it is being terminated
https://blog.51cto.com/liujingyu/2531898
% kubectl delete -f ingress-nginx.yaml –force
%kubectl apply -f ingress-nginx.yaml
https://matthewpalmer.net/kubernetes-app-developer/articles/kubernetes-ingress-guide-nginx-example.html
% cp -r k8s-for-docker-desktop/sample sample
% kubectl create -f sample/apple.yaml
pod/apple-app created
service/apple-service created
% kubectl create -f sample/banana.yaml
pod/banana-app created
service/banana-service created
% kubectl create -f sample/ingress.yaml
Warning: extensions/v1beta1 Ingress is deprecated in v1.14+, unavailable in v1.22+; use networking.k8s.io/v1 Ingress
ingress.extensions/example-ingress created
% kubectl get Ingress -o wide
Warning: extensions/v1beta1 Ingress is deprecated in v1.14+, unavailable in v1.22+; use networking.k8s.io/v1 Ingress
NAME CLASS HOSTS ADDRESS PORTS AGE
example-ingress
% curl -kL http://localhost/apple
% kubectl get pods
NAME READY STATUS RESTARTS AGE
apple-app 0/1 CrashLoopBackOff 8 32m
banana-app 0/1 CrashLoopBackOff 8 32m
% kubectl describe pod apple-app
Warning BackOff 1s (x3 over 20s) kubelet Back-off restarting failed container
% kubectl logs apple-app
runtime: failed to create new OS thread (have 2 already; errno=22)
fatal error: newosproc
runtime stack:
runtime.throw(0x6955a0, 0x9)
/usr/local/go/src/runtime/panic.go:596 +0x95
runtime.newosproc(0xc420024000, 0xc420034000)
/usr/local/go/src/runtime/os_linux.go:163 +0x18c
runtime.newm(0x6a4348, 0x0)
/usr/local/go/src/runtime/proc.go:1628 +0x137
runtime.main.func1()
/usr/local/go/src/runtime/proc.go:126 +0x36
runtime.systemstack(0x7cc200)
/usr/local/go/src/runtime/asm_amd64.s:327 +0x79
runtime.mstart()
/usr/local/go/src/runtime/proc.go:1132
goroutine 1 [running]:
runtime.systemstack_switch()
/usr/local/go/src/runtime/asm_amd64.s:281 fp=0xc420020788 sp=0xc420020780
runtime.main()
/usr/local/go/src/runtime/proc.go:127 +0x6c fp=0xc4200207e0 sp=0xc420020788
runtime.goexit()
https://github.com/golang/go/issues/19163
增加核数为6
https://blog.csdn.net/sqhren626232/article/details/101013390
%kubectl delete -f sample/apple.yaml
spec:
containers:
- name: banana-app
image: hashicorp/http-echo
args:
- "-text=banana"
command: [ "/bin/bash", "-ce", "tail -f /dev/null" ]
% kubectl create -f sample/apple.yaml
pod/apple-app created
service/apple-service created
% kubectl describe pod apple-app
Error: failed to start container "apple-app": Error response from daemon: OCI runtime create failed: container_linux.go:367: starting container process caused: exec: "/bin/bash": stat /bin/bash: no such file or directory: unknown
