每个Pod都是运行应用的单个实例,如果需要水平扩展应用(例如,运行多个实例),则应该使用多个Pods,每个实例一个Pod。 二、Pod的使用 直接在kubernetes中创建单个Pod是可以的,使用kubectl create或者kubectl apply指定资源对象类型为Pod。但是很少会这样做,就如前面的实践时都是通过Deployment创建。主要原因是: Pod的生命周期...
Annotations: deployment.kubernetes.io/desired-replicas:2deployment.kubernetes.io/max-replicas:3deployment.kubernetes.io/revision:1Controlled By: Deployment/simple-http-deployment Replicas:0current /0desired Pods Status:0Running /0Waiting /0Succeeded /0Failed Pod Template: Labels:app=simple_http pod-templ...
一个Deployment 控制器为 Pods 和 ReplicaSets 提供声明式的更新能力。 你负责描述 Deployment 中的 目标状态,而 Deployment 控制器以受控速率更改实际状态, 使其变为期望状态。你可以定义 Deployment 以创建新的 ReplicaSet,或删除现有 Deployment, 并通过新的 Deployment 收养其资源。 不要管理 Deployment 所拥有的...
deployment.apps/nginx-deployment created[root@k8s-master-node1~/yaml/test]#[root@k8s-master-node1~/yaml/test]# 复制代码 代码语言:javascript 复制 复制代码 含义介绍: 在该例中:将创建名为 nginx-deployment 的 Deployment ,由 .metadata.name 字段指示。 Deployment 创建三个复制的 Pods,由 replicas 字段...
Deployment unit in k8s is pod. Pods are a model of the pattern of multiple cooperating processes which form a cohesive unit of service. They simplify application deployment and management by providing a higher-levelabstractionthan the set of their constituent applications. Pods serve as unit of de...
创建Deployment 以展开 ReplicaSet 。ReplicaSet 在后台创建 Pods。检查 ReplicaSet 展开的状态,查看其是否成功。 声明Pod 的新状态 通过更新 Deployment 的 PodTemplateSpec。将创建新的 ReplicaSet ,并且 Deployment 管理器以受控速率将 Pod 从旧 ReplicaSet 移动到新 ReplicaSet 。每个新的 ReplicaSet 都会更新 Depl...
will be surfaced in the deployment status. Note that progress will not be estimated during the time a deployment is paused. This is set to the max value of int32 (i.e. 2147483647) by default, which means "no deadline". replicas <integer> pod的副本个数 Number of desired pods. This ...
Kubernetes pods and deployment are basic yet essential components of a container environment. Here is a glance at how different they are.
Annotations: deployment.kubernetes.io/desired-replicas:1deployment.kubernetes.io/max-replicas:2deployment.kubernetes.io/revision:1Controlled By: Deployment/mcw01dep-nginx Replicas:1current /1desired Pods Status:1Running /0Waiting /0Succeeded /0Failed ...
kubectl create -f https://kubernetes.io/examples/pods/pod-multiple-configmap-env-variable.yaml 现在,Pod 的输出包含环境变量 SPECIAL_LEVEL_KEY=very 和LOG_LEVEL=INFO。 将ConfigMap 中的所有键值对配置为容器环境变量 说明: Kubernetes v1.6 和更高版本支持此功能。 创建一个包含多个键值对的 ConfigMap。