func (j *ContainerLogRequest) Execute(resp jobs.Response) {
if _, err := os.Stat(j.Id.UnitPathFor()); err != nil {
resp.Failure(ErrContainerNotFound)
return
}
w := resp.SuccessWithWrite(jobs.ResponseOk, true, false)
err := systemd.WriteLogsTo(w, j.Id.UnitNameFor(), 30, time.After(30*time.Second))
if err != nil {
log.Printf("job_container_log: Unable to fetch journal logs: %s\n", err.Error())
}
}
func (j *StoppedContainerStateRequest) Execute(resp jobs.Response) {
unitName := j.Id.UnitNameFor()
inState, tooSoon := inStateOrTooSoon(j.Id, unitName, false, false, rateLimitChanges)
if inState {
w := resp.SuccessWithWrite(jobs.ResponseAccepted, true, false)
fmt.Fprintf(w, "Container %s is stopped\n", j.Id)
return
}
if tooSoon {
resp.Failure(ErrStopRequestThrottled)
return
}
if errs := csystemd.SetUnitStartOnBoot(j.Id, false); errs != nil {
log.Print("alter_container_state: Unable to persist whether the unit is started on boot: ", errs)
resp.Failure(ErrContainerStopFailed)
return
}
w := resp.SuccessWithWrite(jobs.ResponseAccepted, true, false)
done := make(chan time.Time)
ioerr := make(chan error)
go func() {
ioerr <- systemd.WriteLogsTo(w, unitName, 0, done)
}()
joberr := make(chan error)
go func() {
status, err := systemd.Connection().StopUnit(unitName, "replace")
if err == nil && status != "done" {
err = errors.New(fmt.Sprintf("Job status 'done' != %s", status))
}
joberr <- err
}()
var err error
select {
case err = <-ioerr:
log.Printf("alter_container_state: Client hung up")
close(ioerr)
case err = <-joberr:
log.Printf("alter_container_state: Stop job done")
case <-time.After(15 * time.Second):
log.Printf("alter_container_state: Timeout waiting for stop completion")
}
close(done)
select {
case <-ioerr:
}
switch {
case systemd.IsNoSuchUnit(err):
if _, err := os.Stat(j.Id.UnitPathFor()); err == nil {
fmt.Fprintf(w, "Container %s is stopped\n", j.Id)
} else {
fmt.Fprintf(w, "No such container %s\n", j.Id)
}
case err != nil:
fmt.Fprintf(w, "Could not stop container: %s\n", err.Error())
default:
fmt.Fprintf(w, "Container %s is stopped\n", j.Id)
}
}