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apiVersion: v1 | ||
kind: ServiceAccount | ||
metadata: | ||
name: coredns | ||
namespace: kube-system | ||
--- | ||
apiVersion: rbac.authorization.k8s.io/v1 | ||
kind: ClusterRole | ||
metadata: | ||
labels: | ||
kubernetes.io/bootstrapping: rbac-defaults | ||
name: system:coredns | ||
rules: | ||
- apiGroups: | ||
- "" | ||
resources: | ||
- endpoints | ||
- services | ||
- pods | ||
- namespaces | ||
verbs: | ||
- list | ||
- watch | ||
- apiGroups: | ||
- discovery.k8s.io | ||
resources: | ||
- endpointslices | ||
verbs: | ||
- list | ||
- watch | ||
--- | ||
apiVersion: rbac.authorization.k8s.io/v1 | ||
kind: ClusterRoleBinding | ||
metadata: | ||
annotations: | ||
rbac.authorization.kubernetes.io/autoupdate: "true" | ||
labels: | ||
kubernetes.io/bootstrapping: rbac-defaults | ||
name: system:coredns | ||
roleRef: | ||
apiGroup: rbac.authorization.k8s.io | ||
kind: ClusterRole | ||
name: system:coredns | ||
subjects: | ||
- kind: ServiceAccount | ||
name: coredns | ||
namespace: kube-system | ||
--- | ||
apiVersion: v1 | ||
kind: ConfigMap | ||
metadata: | ||
name: coredns | ||
namespace: kube-system | ||
data: | ||
Corefile: | | ||
.:53 { | ||
errors | ||
health { | ||
lameduck 5s | ||
} | ||
ready | ||
kubernetes cluster.local in-addr.arpa ip6.arpa { | ||
fallthrough in-addr.arpa ip6.arpa | ||
} | ||
prometheus :9153 | ||
forward . /etc/resolv.conf { | ||
max_concurrent 1000 | ||
} | ||
cache 30 | ||
loop | ||
reload | ||
loadbalance | ||
} | ||
--- | ||
apiVersion: apps/v1 | ||
kind: Deployment | ||
metadata: | ||
name: coredns | ||
namespace: kube-system | ||
labels: | ||
k8s-app: kube-dns | ||
kubernetes.io/name: "CoreDNS" | ||
spec: | ||
# replicas: not specified here: | ||
# 1. Default is 1. | ||
# 2. Will be tuned in real time if DNS horizontal auto-scaling is turned on. | ||
strategy: | ||
type: RollingUpdate | ||
rollingUpdate: | ||
maxUnavailable: 1 | ||
selector: | ||
matchLabels: | ||
k8s-app: kube-dns | ||
template: | ||
metadata: | ||
labels: | ||
k8s-app: kube-dns | ||
spec: | ||
priorityClassName: system-cluster-critical | ||
serviceAccountName: coredns | ||
tolerations: | ||
- key: "CriticalAddonsOnly" | ||
operator: "Exists" | ||
nodeSelector: | ||
kubernetes.io/os: linux | ||
affinity: | ||
podAntiAffinity: | ||
preferredDuringSchedulingIgnoredDuringExecution: | ||
- weight: 100 | ||
podAffinityTerm: | ||
labelSelector: | ||
matchExpressions: | ||
- key: k8s-app | ||
operator: In | ||
values: ["kube-dns"] | ||
topologyKey: kubernetes.io/hostname | ||
containers: | ||
- name: coredns | ||
image: registry.cn-beijing.aliyuncs.com/dotbalo/coredns:1.8.6 | ||
imagePullPolicy: IfNotPresent | ||
resources: | ||
limits: | ||
memory: 170Mi | ||
requests: | ||
cpu: 100m | ||
memory: 70Mi | ||
args: [ "-conf", "/etc/coredns/Corefile" ] | ||
volumeMounts: | ||
- name: config-volume | ||
mountPath: /etc/coredns | ||
readOnly: true | ||
ports: | ||
- containerPort: 53 | ||
name: dns | ||
protocol: UDP | ||
- containerPort: 53 | ||
name: dns-tcp | ||
protocol: TCP | ||
- containerPort: 9153 | ||
name: metrics | ||
protocol: TCP | ||
securityContext: | ||
allowPrivilegeEscalation: false | ||
capabilities: | ||
add: | ||
- NET_BIND_SERVICE | ||
drop: | ||
- all | ||
readOnlyRootFilesystem: true | ||
livenessProbe: | ||
httpGet: | ||
path: /health | ||
port: 8080 | ||
scheme: HTTP | ||
initialDelaySeconds: 60 | ||
timeoutSeconds: 5 | ||
successThreshold: 1 | ||
failureThreshold: 5 | ||
readinessProbe: | ||
httpGet: | ||
path: /ready | ||
port: 8181 | ||
scheme: HTTP | ||
dnsPolicy: Default | ||
volumes: | ||
- name: config-volume | ||
configMap: | ||
name: coredns | ||
items: | ||
- key: Corefile | ||
path: Corefile | ||
--- | ||
apiVersion: v1 | ||
kind: Service | ||
metadata: | ||
name: kube-dns | ||
namespace: kube-system | ||
annotations: | ||
prometheus.io/port: "9153" | ||
prometheus.io/scrape: "true" | ||
labels: | ||
k8s-app: kube-dns | ||
kubernetes.io/cluster-service: "true" | ||
kubernetes.io/name: "CoreDNS" | ||
spec: | ||
selector: | ||
k8s-app: kube-dns | ||
clusterIP: KUBEDNS_SERVICE_IP | ||
ports: | ||
- name: dns | ||
port: 53 | ||
protocol: UDP | ||
- name: dns-tcp | ||
port: 53 | ||
protocol: TCP | ||
- name: metrics | ||
port: 9153 | ||
protocol: TCP |
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apiVersion: v1 | ||
kind: Secret | ||
metadata: | ||
name: bootstrap-token-c8ad9c | ||
namespace: kube-system | ||
type: bootstrap.kubernetes.io/token | ||
stringData: | ||
description: "The default bootstrap token generated by 'kubelet '." | ||
token-id: c8ad9c | ||
token-secret: 2e4d610cf3e7426e | ||
usage-bootstrap-authentication: "true" | ||
usage-bootstrap-signing: "true" | ||
auth-extra-groups: system:bootstrappers:default-node-token,system:bootstrappers:worker,system:bootstrappers:ingress | ||
|
||
--- | ||
apiVersion: rbac.authorization.k8s.io/v1 | ||
kind: ClusterRoleBinding | ||
metadata: | ||
name: kubelet-bootstrap | ||
roleRef: | ||
apiGroup: rbac.authorization.k8s.io | ||
kind: ClusterRole | ||
name: system:node-bootstrapper | ||
subjects: | ||
- apiGroup: rbac.authorization.k8s.io | ||
kind: Group | ||
name: system:bootstrappers:default-node-token | ||
--- | ||
apiVersion: rbac.authorization.k8s.io/v1 | ||
kind: ClusterRoleBinding | ||
metadata: | ||
name: node-autoapprove-bootstrap | ||
roleRef: | ||
apiGroup: rbac.authorization.k8s.io | ||
kind: ClusterRole | ||
name: system:certificates.k8s.io:certificatesigningrequests:nodeclient | ||
subjects: | ||
- apiGroup: rbac.authorization.k8s.io | ||
kind: Group | ||
name: system:bootstrappers:default-node-token | ||
--- | ||
apiVersion: rbac.authorization.k8s.io/v1 | ||
kind: ClusterRoleBinding | ||
metadata: | ||
name: node-autoapprove-certificate-rotation | ||
roleRef: | ||
apiGroup: rbac.authorization.k8s.io | ||
kind: ClusterRole | ||
name: system:certificates.k8s.io:certificatesigningrequests:selfnodeclient | ||
subjects: | ||
- apiGroup: rbac.authorization.k8s.io | ||
kind: Group | ||
name: system:nodes | ||
--- | ||
apiVersion: rbac.authorization.k8s.io/v1 | ||
kind: ClusterRole | ||
metadata: | ||
annotations: | ||
rbac.authorization.kubernetes.io/autoupdate: "true" | ||
labels: | ||
kubernetes.io/bootstrapping: rbac-defaults | ||
name: system:kube-apiserver-to-kubelet | ||
rules: | ||
- apiGroups: | ||
- "" | ||
resources: | ||
- nodes/proxy | ||
- nodes/stats | ||
- nodes/log | ||
- nodes/spec | ||
- nodes/metrics | ||
verbs: | ||
- "*" | ||
--- | ||
apiVersion: rbac.authorization.k8s.io/v1 | ||
kind: ClusterRoleBinding | ||
metadata: | ||
name: system:kube-apiserver | ||
namespace: "" | ||
roleRef: | ||
apiGroup: rbac.authorization.k8s.io | ||
kind: ClusterRole | ||
name: system:kube-apiserver-to-kubelet | ||
subjects: | ||
- apiGroup: rbac.authorization.k8s.io | ||
kind: User | ||
name: kube-apiserver | ||
|
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