/
remove.go
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/
remove.go
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// Copyright 2022 MongoDB Inc
//
// 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
//
// http://www.apache.org/licenses/LICENSE-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 OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package atmcfg
import (
"go.mongodb.org/ops-manager/opsmngr"
"go.mongodb.org/ops-manager/search"
)
// RemoveByClusterName removes a cluster and its associated processes from the config.
// This won't shutdown any running process.
func RemoveByClusterName(out *opsmngr.AutomationConfig, name string) {
// This value may not be present and is mandatory
if out.Auth.DeploymentAuthMechanisms == nil {
out.Auth.DeploymentAuthMechanisms = make([]string, 0)
}
removeByReplicaSetName(out, name)
removeByShardName(out, name)
}
func removeByReplicaSetName(out *opsmngr.AutomationConfig, name string) {
i, found := search.ReplicaSets(out.ReplicaSets, func(rs *opsmngr.ReplicaSet) bool {
return rs.ID == name
})
if found {
rs := out.ReplicaSets[i]
out.ReplicaSets = append(out.ReplicaSets[:i], out.ReplicaSets[i+1:]...)
for _, m := range rs.Members {
for k, p := range out.Processes {
if p.Name == m.Host {
out.Processes = append(out.Processes[:k], out.Processes[k+1:]...)
}
}
}
}
}
func removeByShardName(out *opsmngr.AutomationConfig, name string) {
i, found := search.ShardingConfig(out.Sharding, func(rs *opsmngr.ShardingConfig) bool {
return rs.Name == name
})
if found {
s := out.Sharding[i]
out.Sharding = append(out.Sharding[:i], out.Sharding[i+1:]...)
// remove shards
for _, rs := range s.Shards {
removeByReplicaSetName(out, rs.ID)
}
// remove config rs
removeByReplicaSetName(out, s.ConfigServerReplica)
// remove mongos
for j := range out.Processes {
if out.Processes[j].Cluster == name {
out.Processes = append(out.Processes[:j], out.Processes[j+1:]...)
}
}
}
}