解决国内k8s的ingress-nginx镜像无法正常pull拉取问题
目录
-
一、问题描述 二、解决方法
一、问题描述
我们期望运行Ingress就必须给我们的集群创建Ingress controller
目前官方推荐的controller有:[目前支持和维护 AWS, GCE 和 nginx Ingress 控制器]
https://kubernetes.io/zh/docs/concepts/services-networking/ingress-controllers/
我们使用nginx控制器,其官网给出的配置方法如下:https://kubernetes.github.io/ingress-nginx/deploy/
# 不使用helm,使用yaml
kubectl APPly -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.1.1/deploy/static/provider/cloud/deploy.yaml
注意,不同的版本适应的k8s版本不同,详细见表格:(根据你的k8s版本选择支持的版本,替换上面的v1.1.1,我的是1.23)
Ingress-NGINX version | k8s supported version | Alpine Version | Nginx Version |
v1.1.1 | 1.23, 1.22, 1.21, 1.20, 1.19 | 3.14.2 | 1.19.9† |
v1.1.0 | 1.22, 1.21, 1.20, 1.19 | 3.14.2 | 1.19.9† |
v1.0.5 | 1.22, 1.21, 1.20, 1.19 | 3.14.2 | 1.19.9† |
v1.0.4 | 1.22, 1.21, 1.20, 1.19 | 3.14.2 | 1.19.9† |
v1.0.3 | 1.22, 1.21, 1.20, 1.19 | 3.14.2 | 1.19.9† |
v1.0.2 | 1.22, 1.21, 1.20, 1.19 | 3.14.2 | 1.19.9† |
v1.0.1 | 1.22, 1.21, 1.20, 1.19 | 3.14.2 | 1.19.9† |
v1.0.0 | 1.22, 1.21, 1.20, 1.19 | 3.13.5 | 1.20.1 |
v0.50.0 | 1.21, 1.20, 1.19 | 3.14.2 | 1.19.9† |
v0.49.3 | 1.21, 1.20, 1.19 | 3.14.2 | 1.19.9† |
v0.49.2 | 1.21, 1.20, 1.19 | 3.14.2 | 1.19.9† |
v0.49.1 | 1.21, 1.20, 1.19 | 3.14.2 | 1.19.9† |
v0.49.0 | 1.21, 1.20, 1.19 | 3.13.5 | 1.20.1 |
v0.48.1 | 1.21, 1.20, 1.19 | 3.13.5 | 1.20.1 |
v0.47.0 | 1.21, 1.20, 1.19 | 3.13.5 | 1.20.1 |
v0.46.0 | 1.21, 1.20, 1.19 | 3.13.2 | 1.19.6 |
但是官方给出的yaml文件中拉取的镜像不在docker hub中,在k8s.gcr.io中,所以在国内我们拉取就会报错:ErrImagePull
$ k describe pod/ingress-nginx-admission-create-8zv9w
…
…
Events:
Type Reason Age From Message
—- —— —- —- ——-
Normal Scheduled 16m default-scheduler Successfully assigned ingress-nginx/ingress-nginx-admissio
n-create-8zv9w to node2
Normal SandboxChanged 16m kubelet Pod sandbox changed, it will be killed and re-created.
Warning Failed 14m (x6 over 16m) kubelet Error: ImagePullBackOff
Normal Pulling 14m (x4 over 16m) kubelet Pulling image “k8s.gcr.io/ingress-nginx/kube-webhook-certg
en:v1.1.1@sha256:64d8c73dca984af206adf9d6d7e46aa550362b1d7a01f3a0a91b20cc67868660″
Warning Failed 14m (x4 over 16m) kubelet Failed to pull image “k8s.gcr.io/ingress-nginx/kube-webhoo
k-certgen:v1.1.1@sha256:64d8c73dca984af206adf9d6d7e46aa550362b1d7a01f3a0a91b20cc67868660″: rpc error: code = Unknown desc =
Error response from daemon: Get “https://k8s.gcr.io/v2/”: net/http: request canceled while waiting for connection (Client.Ti
meout exceeded while awaiting headers)
Warning Failed 14m (x4 over 16m) kubelet Error: ErrImagePull
Normal BackOff 77s (x58 over 16m) kubelet Back-off pulling image “k8s.gcr.io/ingress-nginx/kube-webh
ook-certgen:v1.1.1@sha256:64d8c73dca984af206adf9d6d7e46aa550362b1d7a01f3a0a91b20cc67868660″
相同问题的issue:https://github.com/kubernetes/ingress-nginx/issues/6335
issue中官方人员说没法上传到docker hub,可能也有自己的苦衷吧。。。
二、解决方法
解决方法很简单,用国内好心人搬运到docker hub上的仓库代替
好心人的项目地址:https://github.com/anjia0532/gcr.io_mirror,对应的docker hub地址:https://hub.docker.com/u/anjia0532
还可以手动发issue让其更新,以后gcr.io或k8s.gcr.io仓库的都可以在此更换
所以,v1.1.1版本的修改过的镜像的完整yaml文件如下:(我已经帮你找好了),如果你要使用其他版本ingress控制器,请在该docker hub上自己寻找替换,如果不是最新自己发issue拉取
apiVersion: v1
kind: Namespace
metadata:
name: ingress-nginx
labels:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
—
# Source: ingress-nginx/templates/controller-serviceaccount.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx
namespace: ingress-nginx
automountServiceAccountToken: true
—
# Source: ingress-nginx/templates/controller-configmap.yaml
apiVersion: v1
kind: ConfigMap
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller
namespace: ingress-nginx
data:
allow-snippet-annotations: ‘true’
—
# Source: ingress-nginx/templates/clusterrole.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
name: ingress-nginx
rules:
– apiGroups:
– ”
resources:
– configmaps
– endpoints
– nodes
– pods
– secrets
– namespaces
verbs:
– list
– watch
– apiGroups:
– ”
resources:
– nodes
verbs:
– get
– apiGroups:
– ”
resources:
– services
verbs:
– get
– list
– watch
– apiGroups:
– networking.k8s.io
resources:
– ingresses
verbs:
– get
– list
– watch
– apiGroups:
– ”
resources:
– events
verbs:
– create
– patch
– apiGroups:
– networking.k8s.io
resources:
– ingresses/status
verbs:
– update
– apiGroups:
– networking.k8s.io
resources:
– ingressclasses
verbs:
– get
– list
– watch
—
# Source: ingress-nginx/templates/clusterrolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
name: ingress-nginx
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: ingress-nginx
subjects:
– kind: ServiceAccount
name: ingress-nginx
namespace: ingress-nginx
—
# Source: ingress-nginx/templates/controller-role.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx
namespace: ingress-nginx
rules:
– apiGroups:
– ”
resources:
– namespaces
verbs:
– get
– apiGroups:
– ”
resources:
– configmaps
– pods
– secrets
– endpoints
verbs:
– get
– list
– watch
– apiGroups:
– ”
resources:
– services
verbs:
– get
– list
– watch
– apiGroups:
– networking.k8s.io
resources:
– ingresses
verbs:
– get
– list
– watch
– apiGroups:
– networking.k8s.io
resources:
– ingresses/status
verbs:
– update
– apiGroups:
– networking.k8s.io
resources:
– ingressclasses
verbs:
– get
– list
– watch
– apiGroups:
– ”
resources:
– configmaps
resourceNames:
– ingress-controller-leader
verbs:
– get
– update
– apiGroups:
– ”
resources:
– configmaps
verbs:
– create
– apiGroups:
– ”
resources:
– events
verbs:
– create
– patch
—
# Source: ingress-nginx/templates/controller-rolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx
namespace: ingress-nginx
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: ingress-nginx
subjects:
– kind: ServiceAccount
name: ingress-nginx
namespace: ingress-nginx
—
# Source: ingress-nginx/templates/controller-service-webhook.yaml
apiVersion: v1
kind: Service
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller-admission
namespace: ingress-nginx
spec:
type: ClusterIP
ports:
– name: https-webhook
port: 443
targetPort: webhook
appProtocol: https
selector:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/component: controller
—
# Source: ingress-nginx/templates/controller-service.yaml
apiVersion: v1
kind: Service
metadata:
annotations:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller
namespace: ingress-nginx
spec:
type: LoadBalancer
externalTrafficPolicy: Local
ipFamilyPolicy: SingleStack
ipFamilies:
– IPv4
ports:
– name: http
port: 80
protocol: TCP
targetPort: http
appProtocol: http
– name: https
port: 443
protocol: TCP
targetPort: https
appProtocol: https
selector:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/component: controller
—
# Source: ingress-nginx/templates/controller-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller
namespace: ingress-nginx
spec:
selector:
matchLabels:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/component: controller
revisionHistoryLimit: 10
minReadySeconds: 0
template:
metadata:
labels:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/component: controller
spec:
dnsPolicy: ClusterFirst
containers:
– name: controller
image: anjia0532/google-containers.ingress-nginx.controller:v1.1.1
imagePullPolicy: IfNotPresent
lifecycle:
preStop:
exec:
command:
– /wait-shutdown
args:
– /nginx-ingress-controller
– –publish-service=$(POD_NAMESPACE)/ingress-nginx-controller
– –election-id=ingress-controller-leader
– –controller-class=k8s.io/ingress-nginx
– –configmap=$(POD_NAMESPACE)/ingress-nginx-controller
– –validating-webhook=:8443
– –validating-webhook-certificate=/usr/local/certificates/cert
– –validating-webhook-key=/usr/local/certificates/key
securityContext:
capabilities:
drop:
– ALL
add:
– NET_BIND_SERVICE
runAsUser: 101
allowPrivilegeEscalation: true
env:
– name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
– name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
– name: LD_PRELOAD
value: /usr/local/lib/libmimalloc.so
livenessProbe:
failureThreshold: 5
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 10
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
readinessProbe:
failureThreshold: 3
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 10
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
ports:
– name: http
containerPort: 80
protocol: TCP
– name: https
containerPort: 443
protocol: TCP
– name: webhook
containerPort: 8443
protocol: TCP
volumeMounts:
– name: webhook-cert
mountPath: /usr/local/certificates/
readOnly: true
resources:
requests:
cpu: 100m
memory: 90Mi
nodeSelector:
kubernetes.io/os: linux
serviceAccountName: ingress-nginx
terminationGracePeriodSeconds: 300
volumes:
– name: webhook-cert
secret:
secretName: ingress-nginx-admission
—
# Source: ingress-nginx/templates/controller-ingressclass.yaml
# We don’t support namespaced ingressClass yet
# So a ClusterRole and a ClusterRoleBinding is required
apiVersion: networking.k8s.io/v1
kind: IngressClass
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: nginx
namespace: ingress-nginx
spec:
controller: k8s.io/ingress-nginx
—
# Source: ingress-nginx/templates/admission-webhooks/validating-webhook.yaml
# before changing this value, check the required kubernetes version
# https://kubernetes.io/docs/reference/access-authn-authz/extensible-admission-controllers/#prerequisites
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
name: ingress-nginx-admission
webhooks:
– name: validate.nginx.ingress.kubernetes.io
matchPolicy: Equivalent
rules:
– apiGroups:
– networking.k8s.io
apiVersions:
– v1
operations:
– CREATE
– UPDATE
resources:
– ingresses
failurePolicy: Fail
sideEffects: None
admissionReviewVersions:
– v1
clientConfig:
service:
namespace: ingress-nginx
name: ingress-nginx-controller-admission
path: /networking/v1/ingresses
—
# Source: ingress-nginx/templates/admission-webhooks/job-patch/serviceaccount.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
name: ingress-nginx-admission
namespace: ingress-nginx
annotations:
helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
—
# Source: ingress-nginx/templates/admission-webhooks/job-patch/clusterrole.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: ingress-nginx-admission
annotations:
helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
rules:
– apiGroups:
– admissionregistration.k8s.io
resources:
– validatingwebhookconfigurations
verbs:
– get
– update
—
# Source: ingress-nginx/templates/admission-webhooks/job-patch/clusterrolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: ingress-nginx-admission
annotations:
helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: ingress-nginx-admission
subjects:
– kind: ServiceAccount
name: ingress-nginx-admission
namespace: ingress-nginx
—
# Source: ingress-nginx/templates/admission-webhooks/job-patch/role.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
name: ingress-nginx-admission
namespace: ingress-nginx
annotations:
helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
rules:
– apiGroups:
– ”
resources:
– secrets
verbs:
– get
– create
—
# Source: ingress-nginx/templates/admission-webhooks/job-patch/rolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: ingress-nginx-admission
namespace: ingress-nginx
annotations:
helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: ingress-nginx-admission
subjects:
– kind: ServiceAccount
name: ingress-nginx-admission
namespace: ingress-nginx
—
# Source: ingress-nginx/templates/admission-webhooks/job-patch/job-createSecret.yaml
apiVersion: batch/v1
kind: Job
metadata:
name: ingress-nginx-admission-create
namespace: ingress-nginx
annotations:
helm.sh/hook: pre-install,pre-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
spec:
template:
metadata:
name: ingress-nginx-admission-create
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
spec:
containers:
– name: create
image: anjia0532/google-containers.ingress-nginx.kube-webhook-certgen:v1.1.1
imagePullPolicy: IfNotPresent
args:
– create
– –host=ingress-nginx-controller-admission,ingress-nginx-controller-admission.$(POD_NAMESPACE).svc
– –namespace=$(POD_NAMESPACE)
– –secret-name=ingress-nginx-admission
env:
– name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
securityContext:
allowPrivilegeEscalation: false
restartPolicy: OnFailure
serviceAccountName: ingress-nginx-admission
nodeSelector:
kubernetes.io/os: linux
securityContext:
runAsNonRoot: true
runAsUser: 2000
—
# Source: ingress-nginx/templates/admission-webhooks/job-patch/job-patchWebhook.yaml
apiVersion: batch/v1
kind: Job
metadata:
name: ingress-nginx-admission-patch
namespace: ingress-nginx
annotations:
helm.sh/hook: post-install,post-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
spec:
template:
metadata:
name: ingress-nginx-admission-patch
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
spec:
containers:
– name: patch
image: anjia0532/google-containers.ingress-nginx.kube-webhook-certgen:v1.1.1
imagePullPolicy: IfNotPresent
args:
– patch
– –webhook-name=ingress-nginx-admission
– –namespace=$(POD_NAMESPACE)
– –patch-mutating=false
– –secret-name=ingress-nginx-admission
– –patch-failure-policy=Fail
env:
– name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
securityContext:
allowPrivilegeEscalation: false
restartPolicy: OnFailure
serviceAccountName: ingress-nginx-admission
nodeSelector:
kubernetes.io/os: linux
securityContext:
runAsNonRoot: true
runAsUser: 2000
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