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registry.go
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registry.go
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// Copyright 2020 The PipeCD Authors.
//
// 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 registry
import (
"fmt"
"sync"
"github.com/pipe-cd/pipecd/pkg/app/piped/planner"
"github.com/pipe-cd/pipecd/pkg/app/piped/planner/cloudrun"
"github.com/pipe-cd/pipecd/pkg/app/piped/planner/ecs"
"github.com/pipe-cd/pipecd/pkg/app/piped/planner/kubernetes"
"github.com/pipe-cd/pipecd/pkg/app/piped/planner/lambda"
"github.com/pipe-cd/pipecd/pkg/app/piped/planner/terraform"
"github.com/pipe-cd/pipecd/pkg/model"
)
type Registry interface {
Planner(k model.ApplicationKind) (planner.Planner, bool)
}
type registry struct {
planners map[model.ApplicationKind]planner.Planner
mu sync.RWMutex
}
func (r *registry) Register(k model.ApplicationKind, p planner.Planner) error {
r.mu.Lock()
defer r.mu.Unlock()
if _, ok := r.planners[k]; ok {
return fmt.Errorf("planner for %v application kind has already been registered", k)
}
r.planners[k] = p
return nil
}
func (r *registry) Planner(k model.ApplicationKind) (planner.Planner, bool) {
r.mu.RLock()
defer r.mu.RUnlock()
p, ok := r.planners[k]
if !ok {
return nil, false
}
return p, true
}
var defaultRegistry = ®istry{
planners: make(map[model.ApplicationKind]planner.Planner),
}
func DefaultRegistry() Registry {
return defaultRegistry
}
// init registers all planners to the default registry.
func init() {
cloudrun.Register(defaultRegistry)
kubernetes.Register(defaultRegistry)
lambda.Register(defaultRegistry)
terraform.Register(defaultRegistry)
ecs.Register(defaultRegistry)
}