# 产品概览

注意: EMQX Operator 控制器需要 Kubernetes v1.20.0 或者以上。

# 背景

此教程采用 minikube v1.20.0 安装部署

# 部署Operator控制器

# 准备

我们使用 cert manager (opens new window)来给 webhook 服务提供证书。你可以通过 cert manager 文档 (opens new window)来安装。

# 默认静态安装

安装默认静态配置文件

kubectl apply -f "https://github.com/emqx/emqx-operator/releases/download/1.2.5/emqx-operator-controller.yaml"

# 通过 Helm 安装

添加 EMQX Helm 仓库

helm repo add emqx https://repos.emqx.io/charts
helm repo update

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用 Helm 安装 EMQX Operator 控制器

$ helm install emqx-operator emqx/emqx-operator \
   --set installCRDs=true \
   --namespace emqx-operator-system \
   --create-namespace

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# 检查 EMQX Operator 控制器状态

$ kubectl get pods -l "control-plane=controller-manager" -n emqx-operator-system
NAME                                                READY   STATUS    RESTARTS   AGE
emqx-operator-controller-manager-68b866c8bf-kd4g6   1/1     Running   0          15s

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# 部署 EMQX 企业版本

部署 EMQX Enterprise Custom Resource

cat << "EOF" | kubectl apply -f -
apiVersion: apps.emqx.io/v1beta3
kind: EmqxEnterprise
metadata:
  name: emqx-ee
  labels:
    "foo": "bar"
spec:
  emqxTemplate:
    image: emqx/emqx-ee:4.4.6
EOF

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检查 EMQX 企业版状态

$ kubectl get pods
NAME              READY   STATUS    RESTARTS   AGE
emqx-ee-0   2/2     Running   0          22m
emqx-ee-1   2/2     Running   0          22m
emqx-ee-2   2/2     Running   0          22m

$ kubectl exec -it emqx-ee-0 -c emqx -- emqx_ctl status  
Node 'emqx-ee@emqx-ee-0.emqx-ee-headless.default.svc.cluster.local' 4.4.5 is started  

$ kubectl exec -it emqx-ee-0 -c emqx -- emqx_ctl cluster status  
Cluster status: #{running_nodes =>
                   ['emqx-ee@emqx-ee-0.emqx-ee-headless.default.svc.cluster.local',
                    'emqx-ee@emqx-ee-1.emqx-ee-headless.default.svc.cluster.local',
                    'emqx-ee@emqx-ee-2.emqx-ee-headless.default.svc.cluster.local'],
               stopped_nodes => []}

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# 部署 EMQX 开源版

部署 EMQX Broker Custom Resource

cat << "EOF" | kubectl apply -f -
apiVersion: apps.emqx.io/v1beta3
kind: EmqxBroker
metadata:
  name: emqx
  labels:
    "foo": "bar"
spec:
  emqxTemplate:
    image: emqx/emqx:4.4.6
EOF

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检查 EMQX 状态

$ kubectl get pods
NAME              READY   STATUS    RESTARTS   AGE
emqx-0   2/2     Running   0          22m
emqx-1   2/2     Running   0          22m
emqx-2   2/2     Running   0          22m

$ kubectl exec -it emqx-0 -c emqx -- emqx_ctl status
Node 'emqx@emqx-0.emqx-headless.default.svc.cluster.local' 4.4.5 is started

$ kubectl exec -it emqx-0 -c emqx -- emqx_ctl cluster status
Cluster status: #{running_nodes =>
                   ['emqx@emqx-0.emqx-headless.default.svc.cluster.local',
                    'emqx@emqx-1.emqx-headless.default.svc.cluster.local',
                    'emqx@emqx-2.emqx-headless.default.svc.cluster.local'],
               stopped_nodes => []}

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