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Signed-off-by: Scott Seago <sseago@redhat.com>
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| Make BackedUpItems thread safe |
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| /* | ||
| Copyright the Velero contributors. | ||
| 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. | ||
| */ | ||
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| package backup | ||
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| import ( | ||
| "fmt" | ||
| "sort" | ||
| "sync" | ||
| ) | ||
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| // backedUpItemsMap keeps track of the items already backed up for the current Velero Backup | ||
| type backedUpItemsMap struct { | ||
| *sync.RWMutex | ||
| backedUpItems map[itemKey]struct{} | ||
| } | ||
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| func NewBackedUpItemsMap() *backedUpItemsMap { | ||
| return &backedUpItemsMap{ | ||
| RWMutex: &sync.RWMutex{}, | ||
| backedUpItems: make(map[itemKey]struct{}), | ||
| } | ||
| } | ||
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| func (m *backedUpItemsMap) CopyItemMap() map[itemKey]struct{} { | ||
| m.RLock() | ||
| defer m.RUnlock() | ||
| returnMap := make(map[itemKey]struct{}, len(m.backedUpItems)) | ||
| for key, val := range m.backedUpItems { | ||
| returnMap[key] = val | ||
| } | ||
| return returnMap | ||
| } | ||
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| // ResourceMap returns a map of the backed up items. | ||
| // For each map entry, the key is the resource type, | ||
| // and the value is a list of namespaced names for the resource. | ||
| func (m *backedUpItemsMap) ResourceMap() map[string][]string { | ||
| m.RLock() | ||
| defer m.RUnlock() | ||
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| resources := map[string][]string{} | ||
| for i := range m.backedUpItems { | ||
| entry := i.name | ||
| if i.namespace != "" { | ||
| entry = fmt.Sprintf("%s/%s", i.namespace, i.name) | ||
| } | ||
| resources[i.resource] = append(resources[i.resource], entry) | ||
| } | ||
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| // sort namespace/name entries for each GVK | ||
| for _, v := range resources { | ||
| sort.Strings(v) | ||
| } | ||
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| return resources | ||
| } | ||
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| func (m *backedUpItemsMap) Len() int { | ||
| m.RLock() | ||
| defer m.RUnlock() | ||
| return len(m.backedUpItems) | ||
| } | ||
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| func (m *backedUpItemsMap) Has(key itemKey) bool { | ||
| m.RLock() | ||
| defer m.RUnlock() | ||
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| _, exists := m.backedUpItems[key] | ||
| return exists | ||
| } | ||
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| func (m *backedUpItemsMap) AddItem(key itemKey) { | ||
| m.Lock() | ||
| defer m.Unlock() | ||
| m.backedUpItems[key] = struct{}{} | ||
| } |
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