forked from Altinity/clickhouse-operator
/
type_cmd_queue.go
189 lines (162 loc) · 4.58 KB
/
type_cmd_queue.go
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// Copyright 2019 Altinity Ltd and/or its affiliates. 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
//
// 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 chi
import (
"k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/altinity/queue"
chi "github.com/altinity/clickhouse-operator/pkg/apis/clickhouse.altinity.com/v1"
)
const (
reconcileAdd = "add"
reconcileUpdate = "update"
reconcileDelete = "delete"
)
// PriorityQueueItem specifies item of the priority queue
type PriorityQueueItem struct {
priority int
}
// Priority gets priority of the queue item
func (i PriorityQueueItem) Priority() int {
return i.priority
}
const (
priorityReconcileCHI int = 10
priorityReconcileCHIT int = 5
priorityReconcileChopConfig int = 3
priorityDropDNS int = 7
)
// ReconcileCHI specifies reconcile request queue item
type ReconcileCHI struct {
PriorityQueueItem
cmd string
old *chi.ClickHouseInstallation
new *chi.ClickHouseInstallation
}
var _ queue.PriorityQueueItem = &ReconcileCHI{}
// Handle returns handle of the queue item
func (r ReconcileCHI) Handle() queue.T {
if r.new != nil {
return "ReconcileCHI" + ":" + r.new.Namespace + "/" + r.new.Name
}
if r.old != nil {
return "ReconcileCHI" + ":" + r.old.Namespace + "/" + r.old.Name
}
return ""
}
// NewReconcileCHI creates new reconcile request queue item
func NewReconcileCHI(cmd string, old, new *chi.ClickHouseInstallation) *ReconcileCHI {
return &ReconcileCHI{
PriorityQueueItem: PriorityQueueItem{
priority: priorityReconcileCHI,
},
cmd: cmd,
old: old,
new: new,
}
/*
if old != nil {
js, _ := json.Marshal(old)
_copy := chi.ClickHouseInstallation{}
json.Unmarshal(js, &_copy)
c.old = &_copy
}
if new != nil {
js, _ := json.Marshal(new)
_copy := chi.ClickHouseInstallation{}
json.Unmarshal(js, &_copy)
c.new = &_copy
}
return c
*/
}
// ReconcileCHIT specifies reconcile CHI template queue item
type ReconcileCHIT struct {
PriorityQueueItem
cmd string
old *chi.ClickHouseInstallationTemplate
new *chi.ClickHouseInstallationTemplate
}
var _ queue.PriorityQueueItem = &ReconcileCHIT{}
// Handle returns handle of the queue item
func (r ReconcileCHIT) Handle() queue.T {
if r.new != nil {
return "ReconcileCHIT" + ":" + r.new.Namespace + "/" + r.new.Name
}
if r.old != nil {
return "ReconcileCHIT" + ":" + r.old.Namespace + "/" + r.old.Name
}
return ""
}
// NewReconcileCHIT creates new reconcile CHI template queue item
func NewReconcileCHIT(cmd string, old, new *chi.ClickHouseInstallationTemplate) *ReconcileCHIT {
return &ReconcileCHIT{
PriorityQueueItem: PriorityQueueItem{
priority: priorityReconcileCHIT,
},
cmd: cmd,
old: old,
new: new,
}
}
// ReconcileChopConfig specifies CHOp config queue item
type ReconcileChopConfig struct {
PriorityQueueItem
cmd string
old *chi.ClickHouseOperatorConfiguration
new *chi.ClickHouseOperatorConfiguration
}
var _ queue.PriorityQueueItem = &ReconcileChopConfig{}
// Handle returns handle of the queue item
func (r ReconcileChopConfig) Handle() queue.T {
if r.new != nil {
return "ReconcileChopConfig" + ":" + r.new.Namespace + "/" + r.new.Name
}
if r.old != nil {
return "ReconcileChopConfig" + ":" + r.old.Namespace + "/" + r.old.Name
}
return ""
}
// NewReconcileChopConfig creates new CHOp config queue item
func NewReconcileChopConfig(cmd string, old, new *chi.ClickHouseOperatorConfiguration) *ReconcileChopConfig {
return &ReconcileChopConfig{
PriorityQueueItem: PriorityQueueItem{
priority: priorityReconcileChopConfig,
},
cmd: cmd,
old: old,
new: new,
}
}
// DropDns specifies drop dns queue item
type DropDns struct {
PriorityQueueItem
initiator *v1.ObjectMeta
}
var _ queue.PriorityQueueItem = &DropDns{}
// Handle returns handle of the queue item
func (r DropDns) Handle() queue.T {
if r.initiator != nil {
return "DropDNS" + ":" + r.initiator.Namespace + "/" + r.initiator.Name
}
return ""
}
// NewDropDns creates new drop dns queue item
func NewDropDns(initiator *v1.ObjectMeta) *DropDns {
return &DropDns{
PriorityQueueItem: PriorityQueueItem{
priority: priorityDropDNS,
},
initiator: initiator,
}
}