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cluster.go
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cluster.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2023 Tencent. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use
* this file except in compliance with the License. You may obtain a copy of the
* License at
*
* https://opensource.org/licenses/Apache-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package imported
import (
"sync"
kstonev1alpha2 "tkestack.io/kstone/pkg/apis/kstone/v1alpha2"
"tkestack.io/kstone/pkg/clusterprovider"
"tkestack.io/kstone/pkg/controllers/util"
"tkestack.io/kstone/pkg/etcd"
)
const (
AnnoImportedURI = "importedAddr"
)
var (
once sync.Once
instance *EtcdClusterImported
)
// EtcdClusterImported is the etcd cluster imported from kstone-dashboard
type EtcdClusterImported struct {
name kstonev1alpha2.EtcdClusterType
ctx *clusterprovider.ClusterContext
}
// init registers an imported etcd cluster provider
func init() {
clusterprovider.RegisterEtcdClusterFactory(
kstonev1alpha2.EtcdClusterImported,
func(ctx *clusterprovider.ClusterContext) (clusterprovider.Cluster, error) {
return initEtcdClusterImportedInstance(ctx)
},
)
}
func initEtcdClusterImportedInstance(ctx *clusterprovider.ClusterContext) (clusterprovider.Cluster, error) {
once.Do(func() {
instance = &EtcdClusterImported{
name: kstonev1alpha2.EtcdClusterImported,
ctx: &clusterprovider.ClusterContext{
Clientbuilder: ctx.Clientbuilder,
Client: ctx.Clientbuilder.DynamicClientOrDie(),
},
}
})
return instance, nil
}
func (c *EtcdClusterImported) BeforeCreate(cluster *kstonev1alpha2.EtcdCluster) error {
return nil
}
func (c *EtcdClusterImported) Create(cluster *kstonev1alpha2.EtcdCluster) error {
return nil
}
func (c *EtcdClusterImported) AfterCreate(cluster *kstonev1alpha2.EtcdCluster) error {
return nil
}
func (c *EtcdClusterImported) BeforeUpdate(cluster *kstonev1alpha2.EtcdCluster) error {
return nil
}
func (c *EtcdClusterImported) Update(cluster *kstonev1alpha2.EtcdCluster) error {
return nil
}
func (c *EtcdClusterImported) AfterUpdate(cluster *kstonev1alpha2.EtcdCluster) error {
return nil
}
func (c *EtcdClusterImported) BeforeDelete(cluster *kstonev1alpha2.EtcdCluster) error {
return nil
}
func (c *EtcdClusterImported) Delete(cluster *kstonev1alpha2.EtcdCluster) error {
return nil
}
func (c *EtcdClusterImported) AfterDelete(cluster *kstonev1alpha2.EtcdCluster) error {
return nil
}
func (c *EtcdClusterImported) Equal(cluster *kstonev1alpha2.EtcdCluster) (bool, error) {
return true, nil
}
// Status gets the imported etcd cluster status
func (c *EtcdClusterImported) Status(config *etcd.ClientConfig, cluster *kstonev1alpha2.EtcdCluster) (kstonev1alpha2.EtcdClusterStatus, error) {
status := cluster.Status
annotations := cluster.ObjectMeta.Annotations
if annotations == nil {
annotations = make(map[string]string)
}
endpoints := clusterprovider.GetStorageMemberEndpoints(cluster)
if len(endpoints) == 0 {
if addr, found := annotations[AnnoImportedURI]; found {
endpoints = append(endpoints, addr)
status.ServiceName = addr
} else {
status.Phase = kstonev1alpha2.EtcdClusterUnknown
return status, nil
}
}
members, err := clusterprovider.GetRuntimeEtcdMembers(
cluster.Spec.StorageBackend,
endpoints,
cluster.Annotations[util.ClusterExtensionClientURL],
config,
)
if err != nil && len(members) == 0 {
status.Phase = kstonev1alpha2.EtcdClusterUnknown
return status, err
}
status.Members, status.Phase = clusterprovider.GetEtcdClusterMemberStatus(members, config)
return status, err
}