mirror of
https://github.com/woodpecker-ci/woodpecker.git
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b15ca52a63
at the moment we compile a script that we can pipe in as single command this is because of the constrains the docker backend gives us. so we move it into the docker backend and eventually get rid of it altogether
134 lines
3.5 KiB
Go
134 lines
3.5 KiB
Go
// Copyright 2022 Woodpecker Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package local
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import (
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"context"
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"io"
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"os"
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"os/exec"
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"strings"
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"github.com/woodpecker-ci/woodpecker/pipeline/backend/common"
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"github.com/woodpecker-ci/woodpecker/pipeline/backend/types"
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"github.com/woodpecker-ci/woodpecker/shared/constant"
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)
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type local struct {
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cmd *exec.Cmd
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output io.ReadCloser
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workingdir string
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}
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// make sure local implements Engine
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var _ types.Engine = &local{}
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// New returns a new local Engine.
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func New() types.Engine {
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return &local{}
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}
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func (e *local) Name() string {
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return "local"
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}
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func (e *local) IsAvailable() bool {
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return true
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}
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func (e *local) Load() error {
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dir, err := os.MkdirTemp("", "woodpecker-local-*")
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e.workingdir = dir
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return err
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}
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// Setup the pipeline environment.
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func (e *local) Setup(ctx context.Context, config *types.Config) error {
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return nil
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}
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// Exec the pipeline step.
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func (e *local) Exec(ctx context.Context, step *types.Step) error {
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// Get environment variables
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env := os.Environ()
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for a, b := range step.Environment {
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if a != "HOME" && a != "SHELL" { // Don't override $HOME and $SHELL
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env = append(env, a+"="+b)
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}
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}
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command := []string{}
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if step.Image == constant.DefaultCloneImage {
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// Default clone step
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env = append(env, "CI_WORKSPACE="+e.workingdir+"/"+step.Environment["CI_REPO"])
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command = append(command, "plugin-git")
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} else {
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// Use "image name" as run command
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command = append(command, step.Image)
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command = append(command, "-c")
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// TODO: use commands directly
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script := common.GenerateScript(step.Commands)
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// Deleting the initial lines removes netrc support but adds compatibility for more shells like fish
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command = append(command, string(script)[strings.Index(string(script), "\n\n")+2:])
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}
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// Prepare command
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e.cmd = exec.CommandContext(ctx, command[0], command[1:]...)
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e.cmd.Env = env
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// Prepare working directory
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if step.Image == constant.DefaultCloneImage {
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e.cmd.Dir = e.workingdir + "/" + step.Environment["CI_REPO_OWNER"]
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} else {
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e.cmd.Dir = e.workingdir + "/" + step.Environment["CI_REPO"]
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}
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err := os.MkdirAll(e.cmd.Dir, 0o700)
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if err != nil {
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return err
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}
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// Get output and redirect Stderr to Stdout
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e.output, _ = e.cmd.StdoutPipe()
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e.cmd.Stderr = e.cmd.Stdout
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return e.cmd.Start()
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}
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// Wait for the pipeline step to complete and returns
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// the completion results.
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func (e *local) Wait(context.Context, *types.Step) (*types.State, error) {
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err := e.cmd.Wait()
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ExitCode := 0
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if eerr, ok := err.(*exec.ExitError); ok {
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ExitCode = eerr.ExitCode()
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// Non-zero exit code is a pipeline failure, but not an agent error.
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err = nil
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}
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return &types.State{
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Exited: true,
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ExitCode: ExitCode,
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}, err
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}
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// Tail the pipeline step logs.
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func (e *local) Tail(context.Context, *types.Step) (io.ReadCloser, error) {
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return e.output, nil
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}
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// Destroy the pipeline environment.
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func (e *local) Destroy(context.Context, *types.Config) error {
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return os.RemoveAll(e.cmd.Dir)
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}
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