woodpecker/pipeline/backend/backend.go

54 lines
1.4 KiB
Go

// Copyright 2023 Woodpecker 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 backend
import (
"context"
"fmt"
"go.woodpecker-ci.org/woodpecker/v2/pipeline/backend/types"
)
var (
backendsByName map[string]types.Backend
backends []types.Backend
)
func Init(backends []types.Backend) {
backendsByName = make(map[string]types.Backend)
for _, engine := range backends {
backendsByName[engine.Name()] = engine
}
}
func FindBackend(ctx context.Context, backendName string) (types.Backend, error) {
if backendName == "auto-detect" {
for _, engine := range backends {
if engine.IsAvailable(ctx) {
return engine, nil
}
}
return nil, fmt.Errorf("can't detect an available backend engine")
}
engine, ok := backendsByName[backendName]
if !ok {
return nil, fmt.Errorf("backend engine '%s' not found", backendName)
}
return engine, nil
}