// killAllPtOscProcesses sends a SIGKILL to all pt-osc proccess associated
// with running migrations, and returns a list of migration ids of killed processes
func killAllPtOscProcesses() []int {
killedMigrations := make([]int, 0)
runningMigMutex.Lock()
defer runningMigMutex.Unlock()
for migrationId, _ := range runningMigrations {
err := killPtOscById(migrationId)
delete(runningMigrations, migrationId)
if err != nil {
glog.Error(err)
continue
}
killedMigrations = append(killedMigrations, migrationId)
}
return killedMigrations
}
// Kills the ptosc job and sends migration through api to be picked up by other hosts
func (runner *runner) killAndOfferMigrations() {
if len(runningMigrations) > 0 {
killedMigrations := killAllPtOscProcesses()
glog.Infof("Done killing, waiting for file sync gorountines to finish")
fileSyncWaitGroup.Wait() // wait for all file syncing goroutines to finish
glog.Infof("All file syncing gorountines are finished, proceeding...")
for _, migrationId := range killedMigrations {
glog.Infof("Offering migration mig_id=%v", migrationId)
urlParams := map[string]string{"id": strconv.Itoa(migrationId)}
_, err := runner.RestClient.Offer(urlParams)
if err != nil {
glog.Error(err)
}
}
glog.Infof("Offered all killed migrations")
}
}