使用 Operator Lifecycle Manager（OLM）安装 ClickHouse Operator

本指南介绍如何使用 Operator Lifecycle Manager（OLM）安装 ClickHouse Operator。

先决条件

• Kubernetes 集群版本 1.33.0 及以上
• 已配置可访问集群的 kubectl
• 集群管理员权限
• 已安装 OLM（Operator Lifecycle Manager）

安装 OLM

如果集群中尚未安装 OLM，请先进行安装：

# Check if OLM is installed
kubectl get ns olm

# If not installed, install OLM
curl -sL https://github.com/operator-framework/operator-lifecycle-manager/releases/download/v0.28.0/install.sh | bash -s v0.28.0

安装 Operator

通过 GitHub Catalog 安装

# Create the operator namespace
kubectl create namespace clickhouse-operator-system

# Create a CatalogSource
kubectl apply -f - <<EOF
apiVersion: operators.coreos.com/v1alpha1
kind: CatalogSource
metadata:
  name: clickhouse-operator-catalog
  namespace: clickhouse-operator-system
spec:
  sourceType: grpc
  image: ghcr.io/clickhouse/clickhouse-operator-catalog:latest
  displayName: ClickHouse Operator
  publisher: ClickHouse
  updateStrategy:
    registryPoll:
      interval: 30m
EOF

# Create the OperatorGroup
kubectl apply -f - <<EOF
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: clickhouse-operator-group
  namespace: clickhouse-operator-system
EOF

# Create the Subscription
kubectl apply -f - <<EOF
apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: clickhouse-operator
  namespace: clickhouse-operator-system
spec:
  channel: stable
  name: clickhouse-operator
  source: clickhouse-operator-catalog
  sourceNamespace: clickhouse-operator-system
  installPlanApproval: Automatic
EOF

卸载

# Delete the subscription
kubectl delete subscription clickhouse-operator -n clickhouse-operator-system
# Find all associated resources
kubectl get operator clickhouse-operator.clickhouse-operator-system -o=jsonpath="{.status.components.refs}" | jq 'map({kind, name})'
# Delete associated resources (CRDs, Deployments, etc.)
kubectl delete <resource> <name> [-n <namespace>]  # Repeat for each resource found

# Delete the OperatorGroup (optional):
kubectl delete operatorgroup clickhouse-operator-group -n clickhouse-operator-system
# Delete the Operator view
kubectl delete operator clickhouse-operator.clickhouse-operator-system

如需了解有关卸载的更多信息，请参阅 OLM 文档。

其他资源

• Operator Lifecycle Manager 文档