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package executors
import (
"context"
"os"
"sync"
"gitlab.com/gitlab-org/gitlab-runner/common"
"gitlab.com/gitlab-org/gitlab-runner/session/proxy"
)
type ExecutorOptions struct {
DefaultCustomBuildsDirEnabled bool
DefaultBuildsDir string
DefaultCacheDir string
SharedBuildsDir bool
Shell common.ShellScriptInfo
ShowHostname bool
Metadata map[string]string
}
type AbstractExecutor struct {
ExecutorOptions
common.BuildLogger
Config common.RunnerConfig
Build *common.Build
Trace common.JobTrace
BuildShell *common.ShellConfiguration
currentStage common.ExecutorStage
Context context.Context
ProxyPool proxy.Pool
stageLock sync.RWMutex
}
func (e *AbstractExecutor) updateShell() error {
script := e.Shell()
script.Build = e.Build
if e.Config.Shell != "" {
script.Shell = e.Config.Shell
}
return nil
}
func (e *AbstractExecutor) generateShellConfiguration() error {
info := e.Shell()
info.PreCloneScript = e.Config.PreCloneScript
info.PostCloneScript = e.Config.PostCloneScript
info.PreBuildScript = e.Config.PreBuildScript
info.PostBuildScript = e.Config.PostBuildScript
shellConfiguration, err := common.GetShellConfiguration(*info)
if err != nil {
return err
}
e.BuildShell = shellConfiguration
e.Debugln("Shell configuration:", shellConfiguration)
return nil
}
func (e *AbstractExecutor) startBuild() error {
// Save hostname
if e.ShowHostname && e.Build.Hostname == "" {
e.Build.Hostname, _ = os.Hostname()
}
return e.Build.StartBuild(
e.RootDir(),
e.CacheDir(),
e.CustomBuildEnabled(),
e.SharedBuildsDir,
)
}
func (e *AbstractExecutor) RootDir() string {
if e.Config.BuildsDir != "" {
return e.Config.BuildsDir
}
return e.DefaultBuildsDir
}
func (e *AbstractExecutor) CacheDir() string {
if e.Config.CacheDir != "" {
return e.Config.CacheDir
}
return e.DefaultCacheDir
}
func (e *AbstractExecutor) CustomBuildEnabled() bool {
if e.Config.CustomBuildDir != nil {
return e.Config.CustomBuildDir.Enabled
}
return e.DefaultCustomBuildsDirEnabled
}
func (e *AbstractExecutor) Shell() *common.ShellScriptInfo {
return &e.ExecutorOptions.Shell
}
func (e *AbstractExecutor) Prepare(options common.ExecutorPrepareOptions) error {
e.PrepareConfiguration(options)
return e.PrepareBuildAndShell()
}
func (e *AbstractExecutor) PrepareConfiguration(options common.ExecutorPrepareOptions) {
e.SetCurrentStage(common.ExecutorStagePrepare)
e.Context = options.Context
e.Config = *options.Config
e.Build = options.Build
e.Trace = options.Trace
e.BuildLogger = common.NewBuildLogger(options.Trace, options.Build.Log())
e.ProxyPool = proxy.NewPool()
}
func (e *AbstractExecutor) PrepareBuildAndShell() error {
err := e.startBuild()
if err != nil {
return err
}
err = e.updateShell()
if err != nil {
return err
}
err = e.generateShellConfiguration()
if err != nil {
return err
}
return nil
}
func (e *AbstractExecutor) Finish(err error) {
e.SetCurrentStage(common.ExecutorStageFinish)
}
func (e *AbstractExecutor) Cleanup() {
e.SetCurrentStage(common.ExecutorStageCleanup)
}
func (e *AbstractExecutor) GetCurrentStage() common.ExecutorStage {
e.stageLock.RLock()
defer e.stageLock.RUnlock()
return e.currentStage
}
func (e *AbstractExecutor) SetCurrentStage(stage common.ExecutorStage) {
e.stageLock.Lock()
defer e.stageLock.Unlock()
e.currentStage = stage
}
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