drone/git/pipeline.go

64 lines
1.7 KiB
Go

// Copyright 2023 Harness, 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 git
import (
"context"
"fmt"
"github.com/harness/gitness/git/api"
"github.com/drone/go-generate/builder"
)
type GeneratePipelineParams struct {
ReadParams
}
type GeneratePipelinesOutput struct {
PipelineYAML []byte
}
func (s *Service) GeneratePipeline(ctx context.Context,
params *GeneratePipelineParams,
) (GeneratePipelinesOutput, error) {
if err := params.Validate(); err != nil {
return GeneratePipelinesOutput{}, err
}
repoPath := getFullPathForRepo(s.reposRoot, params.RepoUID)
sha, err := s.git.ResolveRev(ctx, repoPath, "HEAD")
if err != nil {
return GeneratePipelinesOutput{}, fmt.Errorf("failed to resolve HEAD revision: %w", err)
}
ctxFS, cancelFn := context.WithCancel(ctx)
defer cancelFn()
gitFS := api.NewFS(ctxFS, sha.String(), repoPath)
// builds the pipeline configuration based on
// the contents of the virtual filesystem.
builder := builder.New()
out, err := builder.Build(gitFS)
if err != nil {
return GeneratePipelinesOutput{}, fmt.Errorf("failed to build pipeline: %w", err)
}
return GeneratePipelinesOutput{
PipelineYAML: out,
}, nil
}