mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-12-01 22:31:15 +00:00
310 lines
9 KiB
Go
310 lines
9 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 exec
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import (
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"context"
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"fmt"
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"io"
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"os"
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"path"
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"path/filepath"
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"runtime"
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"strings"
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"github.com/drone/envsubst"
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"github.com/oklog/ulid/v2"
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"github.com/rs/zerolog/log"
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"github.com/urfave/cli/v3"
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"go.woodpecker-ci.org/woodpecker/v2/cli/common"
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"go.woodpecker-ci.org/woodpecker/v2/cli/lint"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/backend"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/backend/docker"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/backend/kubernetes"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/backend/local"
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backend_types "go.woodpecker-ci.org/woodpecker/v2/pipeline/backend/types"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/frontend/metadata"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/frontend/yaml"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/frontend/yaml/compiler"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/frontend/yaml/linter"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/frontend/yaml/matrix"
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pipelineLog "go.woodpecker-ci.org/woodpecker/v2/pipeline/log"
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"go.woodpecker-ci.org/woodpecker/v2/shared/constant"
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"go.woodpecker-ci.org/woodpecker/v2/shared/utils"
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)
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// Command exports the exec command.
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var Command = &cli.Command{
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Name: "exec",
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Usage: "execute a local pipeline",
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ArgsUsage: "[path/to/.woodpecker.yaml]",
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Action: run,
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Flags: utils.MergeSlices(flags, docker.Flags, kubernetes.Flags, local.Flags),
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}
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var backends = []backend_types.Backend{
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kubernetes.New(),
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docker.New(),
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local.New(),
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}
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func run(ctx context.Context, c *cli.Command) error {
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return common.RunPipelineFunc(ctx, c, execFile, execDir)
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}
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func execDir(ctx context.Context, c *cli.Command, dir string) error {
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// TODO: respect pipeline dependency
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repoPath := c.String("repo-path")
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if repoPath != "" {
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repoPath, _ = filepath.Abs(repoPath)
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} else {
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repoPath, _ = filepath.Abs(filepath.Dir(dir))
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}
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if runtime.GOOS == "windows" {
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repoPath = convertPathForWindows(repoPath)
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}
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// TODO: respect depends_on and do parallel runs with output to multiple _windows_ e.g. tmux like
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return filepath.Walk(dir, func(path string, info os.FileInfo, e error) error {
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if e != nil {
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return e
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}
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// check if it is a regular file (not dir)
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if info.Mode().IsRegular() && (strings.HasSuffix(info.Name(), ".yaml") || strings.HasSuffix(info.Name(), ".yml")) {
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fmt.Println("#", info.Name())
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_ = runExec(ctx, c, path, repoPath, false) // TODO: should we drop errors or store them and report back?
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fmt.Println("")
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return nil
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}
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return nil
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})
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}
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func execFile(ctx context.Context, c *cli.Command, file string) error {
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repoPath := c.String("repo-path")
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if repoPath != "" {
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repoPath, _ = filepath.Abs(repoPath)
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} else {
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repoPath, _ = filepath.Abs(filepath.Dir(file))
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}
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if runtime.GOOS == "windows" {
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repoPath = convertPathForWindows(repoPath)
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}
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return runExec(ctx, c, file, repoPath, true)
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}
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func runExec(ctx context.Context, c *cli.Command, file, repoPath string, singleExec bool) error {
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dat, err := os.ReadFile(file)
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if err != nil {
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return err
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}
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axes, err := matrix.ParseString(string(dat))
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if err != nil {
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return fmt.Errorf("parse matrix fail")
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}
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if len(axes) == 0 {
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axes = append(axes, matrix.Axis{})
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}
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for _, axis := range axes {
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err := execWithAxis(ctx, c, file, repoPath, axis, singleExec)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func execWithAxis(ctx context.Context, c *cli.Command, file, repoPath string, axis matrix.Axis, singleExec bool) error {
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var metadataWorkflow *metadata.Workflow
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if !singleExec {
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// TODO: proper try to use the engine to generate the same metadata for workflows
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// https://github.com/woodpecker-ci/woodpecker/pull/3967
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metadataWorkflow.Name = strings.TrimSuffix(strings.TrimSuffix(file, ".yaml"), ".yml")
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}
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metadata, err := metadataFromContext(ctx, c, axis, metadataWorkflow)
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if err != nil {
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return fmt.Errorf("could not create metadata: %w", err)
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} else if metadata == nil {
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return fmt.Errorf("metadata is nil")
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}
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environ := metadata.Environ()
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var secrets []compiler.Secret
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for key, val := range metadata.Workflow.Matrix {
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environ[key] = val
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secrets = append(secrets, compiler.Secret{
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Name: key,
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Value: val,
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})
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}
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pipelineEnv := make(map[string]string)
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for _, env := range c.StringSlice("env") {
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before, after, _ := strings.Cut(env, "=")
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pipelineEnv[before] = after
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if oldVar, exists := environ[before]; exists {
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// override existing values, but print a warning
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log.Warn().Msgf("environment variable '%s' had value '%s', but got overwritten", before, oldVar)
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}
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environ[before] = after
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}
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tmpl, err := envsubst.ParseFile(file)
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if err != nil {
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return err
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}
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confStr, err := tmpl.Execute(func(name string) string {
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return environ[name]
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})
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if err != nil {
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return err
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}
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conf, err := yaml.ParseString(confStr)
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if err != nil {
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return err
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}
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// emulate server behavior https://github.com/woodpecker-ci/woodpecker/blob/eebaa10d104cbc3fa7ce4c0e344b0b7978405135/server/pipeline/stepbuilder/stepBuilder.go#L289-L295
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prefix := "wp_" + ulid.Make().String()
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// configure volumes for local execution
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volumes := c.StringSlice("volumes")
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if c.Bool("local") {
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var (
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workspaceBase = conf.Workspace.Base
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workspacePath = conf.Workspace.Path
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)
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if workspaceBase == "" {
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workspaceBase = c.String("workspace-base")
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}
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if workspacePath == "" {
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workspacePath = c.String("workspace-path")
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}
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volumes = append(volumes, prefix+"_default:"+workspaceBase)
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volumes = append(volumes, repoPath+":"+path.Join(workspaceBase, workspacePath))
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}
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privilegedPlugins := c.StringSlice("plugins-privileged")
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// lint the yaml file
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err = linter.New(
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linter.WithTrusted(true),
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linter.PrivilegedPlugins(privilegedPlugins),
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linter.WithTrustedClonePlugins(constant.TrustedClonePlugins),
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).Lint([]*linter.WorkflowConfig{{
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File: path.Base(file),
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RawConfig: confStr,
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Workflow: conf,
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}})
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if err != nil {
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str, err := lint.FormatLintError(file, err)
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fmt.Print(str)
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if err != nil {
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return err
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}
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}
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// compiles the yaml file
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compiled, err := compiler.New(
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compiler.WithEscalated(
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privilegedPlugins...,
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),
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compiler.WithVolumes(volumes...),
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compiler.WithWorkspace(
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c.String("workspace-base"),
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c.String("workspace-path"),
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),
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compiler.WithNetworks(
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c.StringSlice("network")...,
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),
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compiler.WithPrefix(prefix),
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compiler.WithProxy(compiler.ProxyOptions{
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NoProxy: c.String("backend-no-proxy"),
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HTTPProxy: c.String("backend-http-proxy"),
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HTTPSProxy: c.String("backend-https-proxy"),
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}),
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compiler.WithLocal(
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c.Bool("local"),
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),
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compiler.WithNetrc(
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c.String("netrc-username"),
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c.String("netrc-password"),
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c.String("netrc-machine"),
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),
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compiler.WithMetadata(*metadata),
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compiler.WithSecret(secrets...),
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compiler.WithEnviron(pipelineEnv),
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).Compile(conf)
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if err != nil {
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return err
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}
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backendCtx := context.WithValue(ctx, backend_types.CliCommand, c)
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backendEngine, err := backend.FindBackend(backendCtx, backends, c.String("backend-engine"))
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if err != nil {
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return err
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}
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if _, err = backendEngine.Load(backendCtx); err != nil {
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return err
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}
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pipelineCtx, cancel := context.WithTimeout(context.Background(), c.Duration("timeout"))
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defer cancel()
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pipelineCtx = utils.WithContextSigtermCallback(pipelineCtx, func() {
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fmt.Printf("ctrl+c received, terminating current pipeline '%s'\n", confStr)
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})
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return pipeline.New(compiled,
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pipeline.WithContext(pipelineCtx), //nolint:contextcheck
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pipeline.WithTracer(pipeline.DefaultTracer),
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pipeline.WithLogger(defaultLogger),
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pipeline.WithBackend(backendEngine),
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pipeline.WithDescription(map[string]string{
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"CLI": "exec",
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}),
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).Run(ctx)
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}
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// convertPathForWindows converts a path to use slash separators
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// for Windows. If the path is a Windows volume name like C:, it
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// converts it to an absolute root path starting with slash (e.g.
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// C: -> /c). Otherwise it just converts backslash separators to
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// slashes.
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func convertPathForWindows(path string) string {
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base := filepath.VolumeName(path)
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// Check if path is volume name like C:
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//nolint:mnd
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if len(base) == 2 {
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path = strings.TrimPrefix(path, base)
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base = strings.ToLower(strings.TrimSuffix(base, ":"))
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return "/" + base + filepath.ToSlash(path)
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}
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return filepath.ToSlash(path)
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}
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var defaultLogger = pipeline.Logger(func(step *backend_types.Step, rc io.ReadCloser) error {
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logWriter := NewLineWriter(step.Name, step.UUID)
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return pipelineLog.CopyLineByLine(logWriter, rc, pipeline.MaxLogLineLength)
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})
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