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|
package ssh
import (
"errors"
"fmt"
"gitlab.com/gitlab-org/gitlab-runner/common"
"gitlab.com/gitlab-org/gitlab-runner/executors"
"gitlab.com/gitlab-org/gitlab-runner/helpers/ssh"
)
type executor struct {
executors.AbstractExecutor
sshCommand ssh.Client
}
func (s *executor) Prepare(options common.ExecutorPrepareOptions) error {
err := s.AbstractExecutor.Prepare(options)
if err != nil {
return fmt.Errorf("prearing AbstractExecutor: %w", err)
}
s.Println("Using SSH executor...")
if s.BuildShell.PassFile {
return errors.New("SSH doesn't support shells that require script file")
}
if s.Config.SSH == nil {
return errors.New("missing SSH configuration")
}
s.Debugln("Starting SSH command...")
// Create SSH command
s.sshCommand = ssh.Client{
Config: *s.Config.SSH,
Stdout: s.Trace,
Stderr: s.Trace,
}
s.Debugln("Connecting to SSH server...")
err = s.sshCommand.Connect()
if err != nil {
return fmt.Errorf("ssh command Connect() error: %w", err)
}
return nil
}
func (s *executor) Run(cmd common.ExecutorCommand) error {
err := s.sshCommand.Run(cmd.Context, ssh.Command{
Command: s.BuildShell.CmdLine,
Stdin: cmd.Script,
})
if exitError, ok := err.(*ssh.ExitError); ok {
exitCode := exitError.ExitCode()
err = &common.BuildError{Inner: err, ExitCode: exitCode}
}
return err
}
func (s *executor) Cleanup() {
s.sshCommand.Cleanup()
s.AbstractExecutor.Cleanup()
}
func init() {
options := executors.ExecutorOptions{
DefaultCustomBuildsDirEnabled: false,
DefaultBuildsDir: "builds",
DefaultCacheDir: "cache",
SharedBuildsDir: true,
Shell: common.ShellScriptInfo{
Shell: "bash",
Type: common.LoginShell,
RunnerCommand: "gitlab-runner",
},
ShowHostname: true,
}
creator := func() common.Executor {
return &executor{
AbstractExecutor: executors.AbstractExecutor{
ExecutorOptions: options,
},
}
}
featuresUpdater := func(features *common.FeaturesInfo) {
features.Variables = true
features.Shared = true
}
common.RegisterExecutorProvider("ssh", executors.DefaultExecutorProvider{
Creator: creator,
FeaturesUpdater: featuresUpdater,
DefaultShellName: options.Shell.Shell,
})
}
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