Kubernetes
k8s 图形化生成yaml，告别手写
本文主要是介绍k8s 图形化生成yaml，告别手写，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！
安装说明
参数解析:
serverName: 集群别名
serverAddress: Kubernetes APIServer地址
serverAdminUser: Kubernetes管理员账号(需要配置basic auth)
serverAdminPassword: Kubernetes管理员密码
serverAdminToken: Kubernetes管理员Token // 暂不支持
serverDashboardUrl: Kubernetes官方dashboard地址，1.x版本需要添加/#!，2.x需要添加/#
kubeConfigPath: Kubernetes kube.config路径(绝对路径，这个路径不是宿主机的本地路径，而是1.2小节secret的挂载路径，一般可以不改/mnt)
harborConfig: 对于多集群管理的情况下，可能会存在不同的harbor仓库，配置此参数可以在拷贝资源的时候自动替换harbor配置
kubeConfigPath 通过secret挂载到容器的/mnt目录或者其他目录
创建secret
[root@master01 ratel]# vi servers.yaml - serverName: 'test1' serverAddress: 'https://127.0.0.1:8443' #serverAdminUser: 'xxx' #serverAdminPassword: 'xxx#' # serverAdminToken: 'null' serverDashboardUrl: "https://172.16.1.11:30001/#" production: 'false' kubeConfigPath: "/mnt/test1.config" harborConfig: "HarborUrl, HarborUsername, HarborPassword, HarborEmail"
[root@master01 ratel]# kubectl create secret generic ratel-config --from-file=test1.config --from-file=servers.yaml -n kube-system && kubectl create ns kube-users
创建RBAC
创建权限管理namespace
[root@master01 ratel]# kubectl create ns kube-users
然后添加如下的ClusterroleBinding
[root@master01 ratel]# vim ratel-rbac.yaml
apiVersion: v1
items:
- apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
annotations:
rbac.authorization.kubernetes.io/autoupdate: "true"
labels:
kubernetes.io/bootstrapping: rbac-defaults
rbac.authorization.k8s.io/aggregate-to-edit: "true"
name: ratel-namespace-readonly
rules:
- apiGroups:
- ""
resources:
- namespaces
verbs:
- get
- list
- watch
- apiGroups:
- metrics.k8s.io
resources:
- pods
verbs:
- get
- list
- watch
- apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: ratel-pod-delete
rules:
- apiGroups:
- ""
resources:
- pods
verbs:
- get
- list
- delete
- apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: ratel-pod-exec
rules:
- apiGroups:
- ""
resources:
- pods
- pods/log
verbs:
- get
- list
- apiGroups:
- ""
resources:
- pods/exec
verbs:
- create
- apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
annotations:
rbac.authorization.kubernetes.io/autoupdate: "true"
name: ratel-resource-edit
rules:
- apiGroups:
- ""
resources:
- configmaps
- persistentvolumeclaims
- services
- services/proxy
verbs:
- patch
- update
- apiGroups:
- apps
resources:
- daemonsets
- deployments
- deployments/rollback
- deployments/scale
- statefulsets
- statefulsets/scale
verbs:
- patch
- update
- apiGroups:
- autoscaling
resources:
- horizontalpodautoscalers
verbs:
- patch
- update
- apiGroups:
- batch
resources:
- cronjobs
- jobs
verbs:
- patch
- update
- apiGroups:
- extensions
resources:
- daemonsets
- deployments
- deployments/rollback
- deployments/scale
- ingresses
- networkpolicies
verbs:
- patch
- update
- apiGroups:
- networking.k8s.io
resources:
- ingresses
- networkpolicies
verbs:
- patch
- update
- apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: ratel-resource-readonly
rules:
- apiGroups:
- ""
resources:
- configmaps
- endpoints
- persistentvolumeclaims
- pods
- replicationcontrollers
- replicationcontrollers/scale
- serviceaccounts
- services
verbs:
- get
- list
- watch
- apiGroups:
- ""
resources:
- bindings
- events
- limitranges
- namespaces/status
- pods/log
- pods/status
- replicationcontrollers/status
- resourcequotas
- resourcequotas/status
verbs:
- get
- list
- watch
- apiGroups:
- ""
resources:
- namespaces
verbs:
- get
- list
- watch
- apiGroups:
- apps
resources:
- controllerrevisions
- daemonsets
- deployments
- deployments/scale
- replicasets
- replicasets/scale
- statefulsets
- statefulsets/scale
verbs:
- get
- list
- watch
- apiGroups:
- autoscaling
resources:
- horizontalpodautoscalers
verbs:
- get
- list
- watch
- apiGroups:
- batch
resources:
- cronjobs
- jobs
verbs:
- get
- list
- watch
- apiGroups:
- extensions
resources:
- daemonsets
- deployments
- deployments/scale
- ingresses
- networkpolicies
- replicasets
- replicasets/scale
- replicationcontrollers/scale
verbs:
- get
- list
- watch
- apiGroups:
- policy
resources:
- poddisruptionbudgets
verbs:
- get
- list
- watch
- apiGroups:
- networking.k8s.io
resources:
- networkpolicies
- ingresses
verbs:
- get
- list
- watch
- apiGroups:
- metrics.k8s.io
resources:
- pods
verbs:
- get
- list
- watch
kind: List
metadata:
resourceVersion: ""
selfLink: ""
[root@master01 ratel]# kubectl create -f ratel-rbac.yaml
vim ratel-rbac-binding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: ratel-namespace-readonly-sa
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: ratel-namespace-readonly
subjects:
- apiGroup: rbac.authorization.k8s.io
kind: Group
name: system:serviceaccounts:kube-users
[root@master01 ratel]# kubectl create -f ratel-rbac-binding.yaml
部署ratel
[root@master01 ratel]# vi ratel.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: ratel
name: ratel
namespace: kube-system
spec:
replicas: 1
selector:
matchLabels:
app: ratel
strategy:
rollingUpdate:
maxSurge: 1
maxUnavailable: 0
type: RollingUpdate
template:
metadata:
creationTimestamp: null
labels:
app: ratel
spec:
containers:
- command:
- sh
- -c
- ./ratel -c /mnt/servers.yaml
env:
- name: TZ
value: Asia/Shanghai
- name: LANG
value: C.UTF-8
- name: ProRunMode
value: prod
- name: ADMIN_USERNAME
value: admin # 登录用户
- name: ADMIN_PASSWORD
value: password #登录密码
image: registry.cn-beijing.aliyuncs.com/dotbalo/ratel:latest
imagePullPolicy: Always
livenessProbe:
failureThreshold: 2
initialDelaySeconds: 10
periodSeconds: 60
successThreshold: 1
tcpSocket:
port: 8888
timeoutSeconds: 2
name: ratel
ports:
- containerPort: 8888
name: web
protocol: TCP
readinessProbe:
failureThreshold: 2
initialDelaySeconds: 10
periodSeconds: 60
successThreshold: 1
tcpSocket:
port: 8888
timeoutSeconds: 2
resources:
limits:
cpu: 500m
memory: 512Mi
requests:
cpu: 500m
memory: 512Mi
volumeMounts:
- mountPath: /mnt
name: ratel-config
dnsPolicy: ClusterFirst
imagePullSecrets:
- name: myregistrykey
restartPolicy: Always
schedulerName: default-scheduler
securityContext: {}
terminationGracePeriodSeconds: 30
volumes:
- name: ratel-config
secret:
defaultMode: 420
secretName: ratel-config
需要更改的内容如下:
ProRunMode: 区别在于dev模式打印的是debug日志, 其他模式是info级别的日志, 实际使用时应该配置为非dev
ADMIN_USERNAME: ratel自己的管理员账号
ADMIN_PASSWORD: ratel自己的管理员密码
实际使用时账号密码应满足复杂性要求,因为ratel可以直接操作所有配置的资源。
其他无需配置, 端口配置暂不支持。
[root@master01 ratel]# kubectl apply -f ratel.yaml
创建service
[root@master01 ratel]# vi ratel-service.yaml
创建ratel Service的文件如下:
apiVersion: v1
kind: Service
metadata:
labels:
app: ratel
name: ratel
namespace: kube-system
spec:
ports:
- name: container-1-web-1
port: 8888
protocol: TCP
targetPort: 8888
selector:
app: ratel
type: NodePort
[root@master01 ratel]# kubectl apply -f ratel-service.yaml
#参考链接：https://www.cnblogs.com/dukuan/p/13524622.html
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