增加一些k8s的应用
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@@ -3,8 +3,11 @@ kind: Deployment #该配置的类型,我们使用的是 Deployment
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metadata: #译名为元数据,即 Deployment 的一些基本属性和信息
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metadata: #译名为元数据,即 Deployment 的一些基本属性和信息
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name: nginx-deployment #Deployment 的名称
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name: nginx-deployment #Deployment 的名称
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namespace: nginx
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namespace: nginx
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labels: #标签,可以灵活定位一个或多个资源,其中key和value均可自定义,可以定义多组,目前不需要理解
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labels: #标签,可以灵活定位一个或多个资源,其中key和value均可自定义,可以定义多组,目前不需要理解 Job、Deployment、ReplicaSet 和 DaemonSet 同时支持基于等式的选择方式和基于集合的选择方式
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app: nginx #为该Deployment设置key为app,value为nginx的标签
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app: nginx #为该Deployment设置key为app,value为nginx的标签
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annotations: #注释
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key1: value1
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key2: value2
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spec: #这是关于该Deployment的描述,可以理解为你期待该Deployment在k8s中如何使用
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spec: #这是关于该Deployment的描述,可以理解为你期待该Deployment在k8s中如何使用
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replicas: 3 #使用该Deployment创建一个应用程序实例
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replicas: 3 #使用该Deployment创建一个应用程序实例
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selector: #标签选择器,与上面的标签共同作用,目前不需要理解
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selector: #标签选择器,与上面的标签共同作用,目前不需要理解
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@@ -18,3 +21,33 @@ spec: #这是关于该Deployment的描述,可以理解为你期待该D
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containers: #生成container,与docker中的container是同一种 containers
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containers: #生成container,与docker中的container是同一种 containers
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- name: nginx #container的名称
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- name: nginx #container的名称
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image: nginx:1.23.0 #使用镜像nginx:1.7.9创建container,该container默认80端口可访问
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image: nginx:1.23.0 #使用镜像nginx:1.7.9创建container,该container默认80端口可访问
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ports:
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- containerPort: 80
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volumeMounts:
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- name: workdir
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mountPath: /usr/share/nginx/html
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lifecycle:
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postStart:
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exec:
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command: ["/bin/sh", "-c", "echo Hello from the postStart handler > /usr/share/message"]
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preStop:
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exec:
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command: ["/bin/sh", "-c", "nginx -s quit; while killall -o nginx; do sleep 1; done"]
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limits:
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# These containers are run during pod initialization
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initContainers:
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- name: install
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image: busybox
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command:
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- wget
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- "-O"
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- "/work-dir/index.html"
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- https://kuboard.cn
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volumeMounts:
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- name: workdir
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mountPath: "/work-dir"
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dnsPolicy: Default
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volumes:
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- name: workdir
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emptyDir: {}
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11
Test/Kubernetes/nginx/nginx-poddisruptionbudget.yaml
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11
Test/Kubernetes/nginx/nginx-poddisruptionbudget.yaml
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@@ -0,0 +1,11 @@
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apiVersion: policy/v1beta1
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kind: PodDisruptionBudget
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metadata:
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name: zk-pdb
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namespace: nginx
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spec:
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minAvailable: 2 #最小可用实例数量
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maxUnavailable: 1 #最大不可用实例数量
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selector:
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matchLabels:
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app: zookeeper
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22
Test/Kubernetes/nginx/nginx-replicaset.yaml
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22
Test/Kubernetes/nginx/nginx-replicaset.yaml
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apiVersion: apps/v1
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kind: ReplicaSet
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metadata:
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name: frontend
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namespace: nginx
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labels:
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app: guestbook
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tier: frontend
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spec:
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# modify replicas according to your case
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replicas: 3
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selector:
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matchLabels:
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tier: frontend
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template:
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metadata:
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labels:
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tier: frontend
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spec:
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containers:
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- name: nginx
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image: nginx
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