// Stop deactivates the specified components.
func Stop(targets []string, b backend.Backend) error {
// if target is platform, stop all services
if len(targets) == 1 {
if targets[0] == PlatformCommand {
return StopPlatform(b, false)
} else if targets[0] == StatelessPlatformCommand {
return StopPlatform(b, true)
} else if targets[0] == swarm {
return StopSwarm(b)
}
}
outchan := make(chan string)
errchan := make(chan error)
var wg sync.WaitGroup
go printState(outchan, errchan, 500*time.Millisecond)
b.Stop(targets, &wg, outchan, errchan)
wg.Wait()
close(outchan)
close(errchan)
return nil
}
// Stop deactivates the specified components.
func Stop(targets []string, b backend.Backend) error {
// if target is platform, stop all services
if len(targets) == 1 {
switch targets[0] {
case PlatformCommand:
return StopPlatform(b, false)
case StatelessPlatformCommand:
return StopPlatform(b, true)
case mesos:
return StopMesos(b)
case swarm:
return StopSwarm(b)
case k8s:
return StopK8s(b)
}
}
var wg sync.WaitGroup
b.Stop(targets, &wg, Stdout, Stderr)
wg.Wait()
return nil
}
// Stop deactivates the specified components.
func Stop(argv []string, b backend.Backend) error {
usage := `Deactivates the specified components.
Usage:
deisctl stop [<target>...] [options]
`
// parse command-line arguments
args, err := docopt.Parse(usage, argv, true, "", false)
if err != nil {
return err
}
targets := args["<target>"].([]string)
// if target is platform, stop all services
if len(targets) == 1 && targets[0] == PlatformCommand {
return StopPlatform(b)
}
outchan := make(chan string)
errchan := make(chan error)
var wg sync.WaitGroup
go printState(outchan, errchan, 500*time.Millisecond)
b.Stop(targets, &wg, outchan, errchan)
wg.Wait()
close(outchan)
return nil
}
func doUpgradeTakeOver(stateless bool, b backend.Backend, cb config.Backend) error {
var wg sync.WaitGroup
nodes, err := listPublishedServices(cb)
if err != nil {
return err
}
b.Stop([]string{"publisher"}, &wg, Stdout, Stderr)
wg.Wait()
b.Destroy([]string{"publisher"}, &wg, Stdout, Stderr)
wg.Wait()
if err := republishServices(1800, nodes, cb); err != nil {
return err
}
b.RollingRestart("router", &wg, Stdout, Stderr)
wg.Wait()
b.Create([]string{"publisher"}, &wg, Stdout, Stderr)
wg.Wait()
b.Start([]string{"publisher"}, &wg, Stdout, Stderr)
wg.Wait()
installUpgradeServices(b, stateless, &wg, Stdout, Stderr)
wg.Wait()
startUpgradeServices(b, stateless, &wg, Stdout, Stderr)
wg.Wait()
return nil
}
// UpgradePrep stops and uninstalls all components except router and publisher
func UpgradePrep(stateless bool, b backend.Backend) error {
var wg sync.WaitGroup
b.Stop([]string{"database", "registry@*", "controller", "builder", "logger", "logspout"}, &wg, Stdout, Stderr)
wg.Wait()
b.Destroy([]string{"database", "registry@*", "controller", "builder", "logger", "logspout"}, &wg, Stdout, Stderr)
wg.Wait()
if !stateless {
b.Stop([]string{"store-volume", "store-gateway@*"}, &wg, Stdout, Stderr)
wg.Wait()
b.Destroy([]string{"store-volume", "store-gateway@*"}, &wg, Stdout, Stderr)
wg.Wait()
b.Stop([]string{"store-metadata"}, &wg, Stdout, Stderr)
wg.Wait()
b.Destroy([]string{"store-metadata"}, &wg, Stdout, Stderr)
wg.Wait()
b.Stop([]string{"store-daemon"}, &wg, Stdout, Stderr)
wg.Wait()
b.Destroy([]string{"store-daemon"}, &wg, Stdout, Stderr)
wg.Wait()
b.Stop([]string{"store-monitor"}, &wg, Stdout, Stderr)
wg.Wait()
b.Destroy([]string{"store-monitor"}, &wg, Stdout, Stderr)
wg.Wait()
}
fmt.Fprintln(Stdout, "The platform has been stopped, but applications are still serving traffic as normal.")
fmt.Fprintln(Stdout, "Your cluster is now ready for upgrade. Install a new deisctl version and run `deisctl upgrade-takeover`.")
fmt.Fprintln(Stdout, "For more details, see: http://docs.deis.io/en/latest/managing_deis/upgrading-deis/#graceful-upgrade")
return nil
}
//StopSwarm stops swarm
func StopSwarm(b backend.Backend) error {
var wg sync.WaitGroup
io.WriteString(Stdout, prettyprint.DeisIfy("Stopping Swarm..."))
fmt.Fprintln(Stdout, "swarm nodes and swarm manager")
b.Stop([]string{"swarm-node", "swarm-manager"}, &wg, Stdout, Stderr)
wg.Wait()
fmt.Fprintln(Stdout, "Done.\n ")
return nil
}
//StopSwarm stops swarm
func StopSwarm(b backend.Backend) error {
outchan := make(chan string)
errchan := make(chan error)
defer close(outchan)
defer close(errchan)
var wg sync.WaitGroup
go printState(outchan, errchan, 500*time.Millisecond)
outchan <- utils.DeisIfy("Stopping Swarm...")
outchan <- fmt.Sprintf("swarm nodes and swarm manager")
b.Stop([]string{"swarm-node", "swarm-manager"}, &wg, outchan, errchan)
wg.Wait()
fmt.Println("Done.")
fmt.Println()
return nil
}
func stopMesosServices(b backend.Backend, wg *sync.WaitGroup, out, err io.Writer) {
fmt.Fprintln(out, "Mesos/Marathon data plane...")
b.Stop([]string{"mesos-slave"}, wg, out, err)
wg.Wait()
fmt.Fprintln(out, "Mesos/Marathon control plane...")
b.Stop([]string{"mesos-marathon"}, wg, out, err)
wg.Wait()
b.Stop([]string{"mesos-master"}, wg, out, err)
wg.Wait()
b.Stop([]string{"zookeeper"}, wg, out, err)
wg.Wait()
}
//StopK8s stops K8s
func StopK8s(b backend.Backend) error {
var wg sync.WaitGroup
io.WriteString(Stdout, prettyprint.DeisIfy("Stopping K8s..."))
fmt.Fprintln(Stdout, "K8s router mesh...")
b.Stop([]string{"kube-proxy"}, &wg, Stdout, Stderr)
wg.Wait()
fmt.Fprintln(Stdout, "K8s data plane...")
b.Stop([]string{"kube-kubelet"}, &wg, Stdout, Stderr)
wg.Wait()
fmt.Fprintln(Stdout, "K8s control plane...")
b.Stop([]string{"kube-controller-manager", "kube-scheduler"}, &wg, Stdout, Stderr)
wg.Wait()
b.Stop([]string{"kube-apiserver"}, &wg, Stdout, Stderr)
wg.Wait()
fmt.Fprintln(Stdout, "Done.\n ")
return nil
}
func stopMesosServices(b backend.Backend, wg *sync.WaitGroup, out, err io.Writer) {
fmt.Fprintln(out, "Marathon Framework...")
b.Stop([]string{"mesos-marathon"}, wg, out, err)
wg.Wait()
fmt.Fprintln(out, "Mesos Slave...")
b.Stop([]string{"mesos-slave"}, wg, out, err)
wg.Wait()
fmt.Fprintln(out, "Mesos Master...")
b.Stop([]string{"mesos-master"}, wg, out, err)
wg.Wait()
fmt.Fprintln(out, "Zookeeper...")
b.Stop([]string{"zookeeper"}, wg, out, err)
wg.Wait()
}
func stopDefaultServices(b backend.Backend, stateless bool, wg *sync.WaitGroup, out, err io.Writer) {
fmt.Fprintln(out, "Routing mesh...")
b.Stop([]string{"router@*"}, wg, out, err)
wg.Wait()
fmt.Fprintln(out, "Data plane...")
b.Stop([]string{"publisher"}, wg, out, err)
wg.Wait()
fmt.Fprintln(out, "Control plane...")
if stateless {
b.Stop([]string{"controller", "builder", "registry@*"}, wg, out, err)
} else {
b.Stop([]string{"controller", "builder", "database", "registry@*"}, wg, out, err)
}
wg.Wait()
fmt.Fprintln(out, "Logging subsystem...")
if stateless {
b.Stop([]string{"logspout"}, wg, out, err)
} else {
b.Stop([]string{"logger", "logspout"}, wg, out, err)
}
wg.Wait()
if !stateless {
fmt.Fprintln(out, "Storage subsystem...")
b.Stop([]string{"store-volume", "store-gateway@*"}, wg, out, err)
wg.Wait()
b.Stop([]string{"store-metadata"}, wg, out, err)
wg.Wait()
b.Stop([]string{"store-daemon"}, wg, out, err)
wg.Wait()
b.Stop([]string{"store-monitor"}, wg, out, err)
wg.Wait()
}
}
func stopDefaultServices(b backend.Backend, wg *sync.WaitGroup, outchan chan string, errchan chan error) {
outchan <- fmt.Sprintf("Routing mesh...")
b.Stop([]string{"router@1", "router@2", "router@3"}, wg, outchan, errchan)
wg.Wait()
outchan <- fmt.Sprintf("Data plane...")
b.Stop([]string{"publisher"}, wg, outchan, errchan)
wg.Wait()
outchan <- fmt.Sprintf("Control plane...")
b.Stop([]string{"controller", "builder", "cache", "database", "registry"}, wg, outchan, errchan)
wg.Wait()
outchan <- fmt.Sprintf("Logging subsystem...")
b.Stop([]string{"logger", "logspout"}, wg, outchan, errchan)
wg.Wait()
outchan <- fmt.Sprintf("Storage subsystem...")
b.Stop([]string{"store-volume", "store-gateway"}, wg, outchan, errchan)
wg.Wait()
b.Stop([]string{"store-metadata"}, wg, outchan, errchan)
wg.Wait()
b.Stop([]string{"store-daemon"}, wg, outchan, errchan)
wg.Wait()
b.Stop([]string{"store-monitor"}, wg, outchan, errchan)
wg.Wait()
}
