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executor.go
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executor.go
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package machine
import (
"errors"
"time"
"github.com/sirupsen/logrus"
"gitlab.com/gitlab-org/gitlab-runner/common"
// Force to load docker executor
_ "gitlab.com/gitlab-org/gitlab-runner/executors/docker"
)
const (
DockerMachineExecutorStageUseMachine common.ExecutorStage = "docker_machine_use_machine"
DockerMachineExecutorStageReleaseMachine common.ExecutorStage = "docker_machine_release_machine"
)
type machineExecutor struct {
provider *machineProvider
executor common.Executor
build *common.Build
data common.ExecutorData
config common.RunnerConfig
currentStage common.ExecutorStage
}
func (e *machineExecutor) log() (log *logrus.Entry) {
log = e.build.Log()
details, _ := e.build.ExecutorData.(*machineDetails)
if details == nil {
details, _ = e.data.(*machineDetails)
}
if details != nil {
log = log.WithFields(logrus.Fields{
"name": details.Name,
"usedcount": details.UsedCount,
"created": details.Created,
"now": time.Now(),
})
}
if e.config.Docker != nil {
log = log.WithField("docker", e.config.Docker.Host)
}
return
}
func (e *machineExecutor) Shell() *common.ShellScriptInfo {
if e.executor == nil {
return nil
}
return e.executor.Shell()
}
func (e *machineExecutor) Prepare(options common.ExecutorPrepareOptions) (err error) {
e.build = options.Build
if options.Config.Docker == nil {
options.Config.Docker = &common.DockerConfig{}
}
// Use the machine
e.SetCurrentStage(DockerMachineExecutorStageUseMachine)
e.config, e.data, err = e.provider.Use(options.Config, options.Build.ExecutorData)
if err != nil {
return err
}
options.Config.Docker.DockerCredentials = e.config.Docker.DockerCredentials
// TODO: Currently the docker-machine doesn't support multiple builds
e.build.ProjectRunnerID = 0
if details, _ := options.Build.ExecutorData.(*machineDetails); details != nil {
options.Build.Hostname = details.Name
} else if details, _ := e.data.(*machineDetails); details != nil {
options.Build.Hostname = details.Name
}
e.log().Infoln("Starting docker-machine build...")
// Create original executor
e.executor = e.provider.provider.Create()
if e.executor == nil {
return errors.New("failed to create an executor")
}
return e.executor.Prepare(options)
}
func (e *machineExecutor) Run(cmd common.ExecutorCommand) error {
if e.executor == nil {
return errors.New("missing executor")
}
return e.executor.Run(cmd)
}
func (e *machineExecutor) Finish(err error) {
if e.executor != nil {
e.executor.Finish(err)
}
e.log().Infoln("Finished docker-machine build:", err)
}
func (e *machineExecutor) Cleanup() {
// Cleanup executor if were created
if e.executor != nil {
e.executor.Cleanup()
}
// Release allocated machine
if e.data != nil {
e.SetCurrentStage(DockerMachineExecutorStageReleaseMachine)
e.provider.Release(&e.config, e.data)
e.data = nil
}
}
func (e *machineExecutor) GetCurrentStage() common.ExecutorStage {
if e.executor == nil {
return common.ExecutorStage("")
}
return e.executor.GetCurrentStage()
}
func (e *machineExecutor) SetCurrentStage(stage common.ExecutorStage) {
if e.executor == nil {
e.currentStage = stage
return
}
e.executor.SetCurrentStage(stage)
}
func init() {
common.RegisterExecutor("docker+machine", newMachineProvider("docker+machine", "docker"))
common.RegisterExecutor("docker-ssh+machine", newMachineProvider("docker-ssh+machine", "docker-ssh"))
}