第 1 章 使用 Operator 在 Amazon Elastic Kubernetes Service (EKS)上安装 Developer Hub

流程

1. 创建 rhdh-operator 命名空间使其包含 Red Hat Developer Hub Operator：

   $ kubectl create namespace rhdh-operator

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2. 使用红帽凭证创建一个 pull secret，以便从受保护的红帽生态系统中拉取容器镜像：

   $ kubectl -n rhdh-operator create secret docker-registry rhdh-pull-secret \
       --docker-server=registry.redhat.io \
       --docker-username=<redhat_user_name> \
       --docker-password=<redhat_password> \
       --docker-email=<email>

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3. 创建包含红帽生态系统 Operator 的目录源：

   $ cat <<EOF | kubectl -n rhdh-operator apply -f -
   apiVersion: operators.coreos.com/v1alpha1
   kind: CatalogSource
   metadata:
     name: redhat-catalog
   spec:
     sourceType: grpc
     image: registry.redhat.io/redhat/redhat-operator-index:v4.19
     secrets:
     - "rhdh-pull-secret"
     displayName: Red Hat Operators
   EOF

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4. 创建一个 operator 组来管理 Operator 订阅：

   $ cat <<EOF | kubectl apply -n rhdh-operator -f -
   apiVersion: operators.coreos.com/v1
   kind: OperatorGroup
   metadata:
     name: rhdh-operator-group
   EOF

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5. 创建订阅来安装 Red Hat Developer Hub Operator：

   $ cat <<EOF | kubectl apply -n rhdh-operator -f -
   apiVersion: operators.coreos.com/v1alpha1
   kind: Subscription
   metadata:
     name: rhdh
     namespace: rhdh-operator
   spec:
     channel: fast
     installPlanApproval: Automatic
     name: rhdh
     source: redhat-catalog
     sourceNamespace: rhdh-operator
     startingCSV: rhdh-operator.v1.7.3
   EOF

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6. 要等待 Operator 部署完成能够运行下一步，请运行：

   until kubectl -n rhdh-operator get deployment rhdh-operator &>/dev/null; do
     echo -n .
     sleep 3
   done
   echo "RHDH Operator Deployment created"

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7. 在 Operator 部署清单中包括 pull secret 名称，以避免 ImagePullBackOff 错误：

   $ kubectl -n rhdh-operator patch deployment \
       rhdh-operator --patch '{"spec":{"template":{"spec":{"imagePullSecrets":[{"name":"rhdh-pull-secret"}]}}}}' \
       --type=merge

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