How to use Stop method of cloud Package

Best K6 code snippet using cloud.Stop

cluster_test.go

Source:cluster_test.go

...53			cloudConfig: p.cloudConfig})54	}55	return nil56}57func (p *fakeProvider) Stop(machines []provider.Machine) error {58	for _, machine := range machines {59		delete(p.machines, machine.ID)60		p.stopRequests = append(p.stopRequests, machine.ID)61	}62	return nil63}64func (p *fakeProvider) Disconnect() {}65func (p *fakeProvider) Start(conn db.Conn, id int, namespace string) error { return nil }66func (p *fakeProvider) PickBestSize(ram dsl.Range, cpu dsl.Range, maxPrice float64) string {67	return ""68}69func newTestCluster() cluster {70	id := 071	conn := db.New()72	clst := cluster{73		id:        id,74		conn:      conn,75		providers: make(map[db.Provider]provider.Provider),76	}77	clst.providers[FakeAmazonSpot] = newFakeProvider(amazonCloudConfig)78	clst.providers[FakeVagrant] = newFakeProvider(vagrantCloudConfig)79	return clst80}81func TestSyncDB(t *testing.T) {82	spew := spew.NewDefaultConfig()83	spew.MaxDepth = 284	checkSyncDB := func(cloudMachines []provider.Machine, databaseMachines []db.Machine, expectedBoot, expectedStop []provider.Machine) {85		_, bootResult, stopResult := syncDB(cloudMachines, databaseMachines)86		if !emptySlices(bootResult, expectedBoot) && !reflect.DeepEqual(bootResult, expectedBoot) {87			t.Error(spew.Sprintf("booted wrong machines. Expected %v, got %v.",88				expectedBoot, bootResult))89		}90		if !emptySlices(stopResult, expectedStop) && !reflect.DeepEqual(stopResult, expectedStop) {91			t.Error(spew.Sprintf("stopped wrong machines. Expected %v, got %v.",92				expectedStop, stopResult))93		}94	}95	var noMachines []provider.Machine96	dbNoSize := db.Machine{Provider: FakeAmazonSpot}97	cmNoSize := provider.Machine{Provider: FakeAmazonSpot}98	dbLarge := db.Machine{Provider: FakeAmazonSpot, Size: "m4.large"}99	cmLarge := provider.Machine{Provider: FakeAmazonSpot, Size: "m4.large"}100	// Test boot with no size101	checkSyncDB(noMachines, []db.Machine{dbNoSize}, []provider.Machine{cmNoSize}, noMachines)102	// Test boot with size103	checkSyncDB(noMachines, []db.Machine{dbLarge}, []provider.Machine{cmLarge}, noMachines)104	// Test mixed boot105	checkSyncDB(noMachines, []db.Machine{dbNoSize, dbLarge}, []provider.Machine{cmNoSize, cmLarge}, noMachines)106	// Test partial boot107	checkSyncDB([]provider.Machine{cmNoSize}, []db.Machine{dbNoSize, dbLarge}, []provider.Machine{cmLarge}, noMachines)108	// Test stop109	checkSyncDB([]provider.Machine{cmNoSize}, []db.Machine{}, noMachines, []provider.Machine{cmNoSize})110	// Test partial stop111	checkSyncDB([]provider.Machine{cmNoSize, cmLarge}, []db.Machine{}, noMachines, []provider.Machine{cmNoSize, cmLarge})112}113func TestSync(t *testing.T) {114	spew := spew.NewDefaultConfig()115	spew.MaxDepth = 2116	checkSync := func(clst cluster, provider db.Provider, expectedBoot []bootRequest, expectedStop []string) {117		clst.sync()118		providerInst := clst.providers[provider].(*fakeProvider)119		bootResult := providerInst.bootRequests120		stopResult := providerInst.stopRequests121		providerInst.clearLogs()122		if !emptySlices(bootResult, expectedBoot) && !reflect.DeepEqual(bootResult, expectedBoot) {123			t.Error(spew.Sprintf("booted wrong machines. Expected %s, got %s.",124				expectedBoot, bootResult))125		}126		if !emptySlices(stopResult, expectedStop) && !reflect.DeepEqual(stopResult, expectedStop) {127			t.Error(spew.Sprintf("stopped wrong machines. Expected %s, got %s.",128				expectedStop, stopResult))129		}130	}131	var noStops []string132	var noBoots []bootRequest133	amazonLargeBoot := bootRequest{size: "m4.large", cloudConfig: amazonCloudConfig}134	amazonXLargeBoot := bootRequest{size: "m4.xlarge", cloudConfig: amazonCloudConfig}135	vagrantLargeBoot := bootRequest{size: "vagrant.large", cloudConfig: vagrantCloudConfig}136	// Test initial boot137	clst := newTestCluster()138	clst.conn.Transact(func(view db.Database) error {139		m := view.InsertMachine()140		m.ClusterID = clst.id141		m.Role = db.Master142		m.Provider = FakeAmazonSpot143		m.Size = "m4.large"144		view.Commit(m)145		return nil146	})147	checkSync(clst, FakeAmazonSpot, []bootRequest{amazonLargeBoot}, noStops)148	// Test adding a machine with the same provider149	clst.conn.Transact(func(view db.Database) error {150		m := view.InsertMachine()151		m.ClusterID = clst.id152		m.Role = db.Master153		m.Provider = FakeAmazonSpot154		m.Size = "m4.xlarge"155		view.Commit(m)156		return nil157	})158	checkSync(clst, FakeAmazonSpot, []bootRequest{amazonXLargeBoot}, noStops)159	// Test adding a machine with a different provider160	clst.conn.Transact(func(view db.Database) error {161		m := view.InsertMachine()162		m.ClusterID = clst.id163		m.Role = db.Master164		m.Provider = FakeVagrant165		m.Size = "vagrant.large"166		view.Commit(m)167		return nil168	})169	checkSync(clst, FakeVagrant, []bootRequest{vagrantLargeBoot}, noStops)170	// Test removing a machine171	var toRemove db.Machine172	clst.conn.Transact(func(view db.Database) error {173		toRemove = view.SelectFromMachine(func(m db.Machine) bool {174			return m.Provider == FakeAmazonSpot && m.Size == "m4.xlarge"175		})[0]176		view.Remove(toRemove)177		return nil178	})179	checkSync(clst, FakeAmazonSpot, noBoots, []string{toRemove.CloudID})180	// Test removing and adding a machine181	clst.conn.Transact(func(view db.Database) error {182		toRemove = view.SelectFromMachine(func(m db.Machine) bool {183			return m.Provider == FakeAmazonSpot && m.Size == "m4.large"...

core.go

Source:core.go

1package app2import (3	"fmt"4	"net"5	"net/http"6	"strings"7	cloudprovider "k8s.io/cloud-provider"8	"k8s.io/klog"9	cloudcontrollerconfig "k8s.io/kubernetes/cmd/cloud-controller-manager/app/config"10	cloudcontrollers "k8s.io/kubernetes/pkg/controller/cloud"11	routecontroller "k8s.io/kubernetes/pkg/controller/route"12	servicecontroller "k8s.io/kubernetes/pkg/controller/service"13	netutils "k8s.io/utils/net"14	utilfeature "k8s.io/apiserver/pkg/util/feature"15	kubefeatures "k8s.io/kubernetes/pkg/features"16)17func startCloudNodeController(ctx *cloudcontrollerconfig.CompletedConfig, cloud cloudprovider.Interface, stopCh <-chan struct{}) (http.Handler, bool, error) {18	// Start the CloudNodeController19	nodeController, err := cloudcontrollers.NewCloudNodeController(20		ctx.SharedInformers.Core().V1().Nodes(),21		// cloud node controller uses existing cluster role from node-controller22		ctx.ClientBuilder.ClientOrDie("node-controller"),23		cloud,24		ctx.ComponentConfig.NodeStatusUpdateFrequency.Duration,25	)26	if err != nil {27		klog.Warningf("failed to start cloud node controller: %s", err)28		return nil, false, nil29	}30	go nodeController.Run(stopCh)31	return nil, true, nil32}33func startCloudNodeLifecycleController(ctx *cloudcontrollerconfig.CompletedConfig, cloud cloudprovider.Interface, stopCh <-chan struct{}) (http.Handler, bool, error) {34	// Start the cloudNodeLifecycleController35	cloudNodeLifecycleController, err := cloudcontrollers.NewCloudNodeLifecycleController(36		ctx.SharedInformers.Core().V1().Nodes(),37		// cloud node lifecycle controller uses existing cluster role from node-controller38		ctx.ClientBuilder.ClientOrDie("node-controller"),39		cloud,40		ctx.ComponentConfig.KubeCloudShared.NodeMonitorPeriod.Duration,41	)42	if err != nil {43		klog.Warningf("failed to start cloud node lifecycle controller: %s", err)44		return nil, false, nil45	}46	go cloudNodeLifecycleController.Run(stopCh)47	return nil, true, nil48}49func startServiceController(ctx *cloudcontrollerconfig.CompletedConfig, cloud cloudprovider.Interface, stopCh <-chan struct{}) (http.Handler, bool, error) {50	// Start the service controller51	serviceController, err := servicecontroller.New(52		cloud,53		ctx.ClientBuilder.ClientOrDie("service-controller"),54		ctx.SharedInformers.Core().V1().Services(),55		ctx.SharedInformers.Core().V1().Nodes(),56		ctx.ComponentConfig.KubeCloudShared.ClusterName,57	)58	if err != nil {59		// This error shouldn't fail. It lives like this as a legacy.60		klog.Errorf("Failed to start service controller: %v", err)61		return nil, false, nil62	}63	go serviceController.Run(stopCh, int(ctx.ComponentConfig.ServiceController.ConcurrentServiceSyncs))64	return nil, true, nil65}66func startRouteController(ctx *cloudcontrollerconfig.CompletedConfig, cloud cloudprovider.Interface, stopCh <-chan struct{}) (http.Handler, bool, error) {67	if !ctx.ComponentConfig.KubeCloudShared.AllocateNodeCIDRs || !ctx.ComponentConfig.KubeCloudShared.ConfigureCloudRoutes {68		klog.Infof("Will not configure cloud provider routes for allocate-node-cidrs: %v, configure-cloud-routes: %v.", ctx.ComponentConfig.KubeCloudShared.AllocateNodeCIDRs, ctx.ComponentConfig.KubeCloudShared.ConfigureCloudRoutes)69		return nil, false, nil70	}71	// If CIDRs should be allocated for pods and set on the CloudProvider, then start the route controller72	routes, ok := cloud.Routes()73	if !ok {74		klog.Warning("configure-cloud-routes is set, but cloud provider does not support routes. Will not configure cloud provider routes.")75		return nil, false, nil76	}77	// failure: bad cidrs in config78	clusterCIDRs, dualStack, err := processCIDRs(ctx.ComponentConfig.KubeCloudShared.ClusterCIDR)79	if err != nil {80		return nil, false, err81	}82	// failure: more than one cidr and dual stack is not enabled83	if len(clusterCIDRs) > 1 && !utilfeature.DefaultFeatureGate.Enabled(kubefeatures.IPv6DualStack) {84		return nil, false, fmt.Errorf("len of ClusterCIDRs==%v and dualstack feature is not enabled", len(clusterCIDRs))85	}86	// failure: more than one cidr but they are not configured as dual stack87	if len(clusterCIDRs) > 1 && !dualStack {88		return nil, false, fmt.Errorf("len of ClusterCIDRs==%v and they are not configured as dual stack (at least one from each IPFamily", len(clusterCIDRs))89	}90	// failure: more than cidrs is not allowed even with dual stack91	if len(clusterCIDRs) > 2 {92		return nil, false, fmt.Errorf("length of clusterCIDRs is:%v more than max allowed of 2", len(clusterCIDRs))93	}94	routeController := routecontroller.New(95		routes,96		ctx.ClientBuilder.ClientOrDie("route-controller"),97		ctx.SharedInformers.Core().V1().Nodes(),98		ctx.ComponentConfig.KubeCloudShared.ClusterName,99		clusterCIDRs,100	)101	go routeController.Run(stopCh, ctx.ComponentConfig.KubeCloudShared.RouteReconciliationPeriod.Duration)102	return nil, true, nil103}104// processCIDRs is a helper function that works on a comma separated cidrs and returns105// a list of typed cidrs106// a flag if cidrs represents a dual stack107// error if failed to parse any of the cidrs108func processCIDRs(cidrsList string) ([]*net.IPNet, bool, error) {109	cidrsSplit := strings.Split(strings.TrimSpace(cidrsList), ",")110	cidrs, err := netutils.ParseCIDRs(cidrsSplit)111	if err != nil {112		return nil, false, err113	}114	// if cidrs has an error then the previous call will fail115	// safe to ignore error checking on next call116	dualstack, _ := netutils.IsDualStackCIDRs(cidrs)117	return cidrs, dualstack, nil118}...

stop.go

Source:stop.go

...7	"github.com/hortonworks/cloud-haunter/types"8	log "github.com/sirupsen/logrus"9)10func init() {11	ctx.Actions[types.StopAction] = new(stopAction)12}13type stopAction struct {14}15func (s stopAction) Execute(_ types.OpType, _ []types.FilterType, items []types.CloudItem) {16	instancesPerCloud := map[types.CloudType][]*types.Instance{}17	databasesPerCloud := map[types.CloudType][]*types.Database{}18	for _, item := range items {19		switch t := item.GetItem().(type) {20		case types.Instance:21			instancesPerCloud[item.GetCloudType()] = append(instancesPerCloud[item.GetCloudType()], item.(*types.Instance))22		case types.Database:23			databasesPerCloud[item.GetCloudType()] = append(databasesPerCloud[item.GetCloudType()], item.(*types.Database))24		default:25			log.Debugf("[STOP] Ignoring cloud item: %s, because it's not a stoppable resource: %s", t, item.GetType())26		}27	}28	wg := sync.WaitGroup{}29	if len(instancesPerCloud) > 0 {30		wg.Add(len(instancesPerCloud))31		stopInstances(instancesPerCloud, &wg)32	}33	if len(databasesPerCloud) > 0 {34		wg.Add(len(databasesPerCloud))35		stopDatabases(databasesPerCloud, &wg)36	}37	wg.Wait()38}39func stopInstances(instancesPerCloud map[types.CloudType][]*types.Instance, wg *sync.WaitGroup) {40	for cloud, instances := range instancesPerCloud {41		go func(cloud types.CloudType, instances []*types.Instance) {42			defer wg.Done()43			log.Infof("[STOP] Stop %d instances on %s: %s", len(instances), cloud, strings.Join(getInstanceNames(instances), ","))44			if errors := ctx.CloudProviders[cloud]().StopInstances(types.NewInstanceContainer(instances)); len(errors) != 0 {45				for _, err := range errors {46					log.Errorf("[STOP] Failed to stop instances on cloud: %s, err: %s", cloud, err.Error())47				}48				panic(fmt.Sprintf("[STOP] Failed to stop instances on cloud: %s", cloud))49			}50		}(cloud, instances)51	}52}53func stopDatabases(databasesPerCloud map[types.CloudType][]*types.Database, wg *sync.WaitGroup) {54	for cloud, databases := range databasesPerCloud {55		go func(cloud types.CloudType, databases []*types.Database) {56			defer wg.Done()57			log.Infof("[STOP] Stop %d databases on %s: %s", len(databases), cloud, strings.Join(getDatabaseNames(databases), ","))58			if errors := ctx.CloudProviders[cloud]().StopDatabases(types.NewDatabaseContainer(databases)); len(errors) != 0 {59				for _, err := range errors {60					log.Errorf("[STOP] Failed to stop databases on cloud: %s, err: %s", cloud, err.Error())61				}62				panic(fmt.Sprintf("[STOP] Failed to stop databases on cloud: %s", cloud))63			}64		}(cloud, databases)65	}66}67func getInstanceNames(instances []*types.Instance) []string {68	result := make([]string, len(instances))69	for i, inst := range instances {70		result[i] = fmt.Sprintf("%s:%s", inst.ID, inst.Name)71	}72	return result...

Stop

Using AI Code Generation

1func main() {2    cloud := NewCloud()3    cloud.Start()4    cloud.Stop()5}6func main() {7    cloud := NewCloud()8    cloud.Start()9    cloud.Stop()10}11func main() {12    cloud := NewCloud()13    cloud.Start()14    cloud.Stop()15}16func main() {17    cloud := NewCloud()18    cloud.Start()19    cloud.Stop()20}21func main() {22    cloud := NewCloud()23    cloud.Start()24    cloud.Stop()25}26func main() {27    cloud := NewCloud()28    cloud.Start()29    cloud.Stop()30}31func main() {32    cloud := NewCloud()33    cloud.Start()34    cloud.Stop()35}36func main() {37    cloud := NewCloud()38    cloud.Start()39    cloud.Stop()40}41func main() {42    cloud := NewCloud()43    cloud.Start()44    cloud.Stop()45}46func main() {47    cloud := NewCloud()48    cloud.Start()49    cloud.Stop()50}51func main() {52    cloud := NewCloud()53    cloud.Start()54    cloud.Stop()55}56func main() {57    cloud := NewCloud()58    cloud.Start()59    cloud.Stop()60}61func main() {62    cloud := NewCloud()63    cloud.Start()64    cloud.Stop()65}66func main() {67    cloud := NewCloud()68    cloud.Start()69    cloud.Stop()70}

Stop

Using AI Code Generation

1func main() {2    c := cloud.New()3    c.Stop()4}5func main() {6    c := cloud.New()7    c.Stop()8}9func main() {10    c := cloud.New()11    c.Stop()12}13func main() {14    c := cloud.New()15    c.Stop()16}17func main() {18    c := cloud.New()19    c.Stop()20}21func main() {22    c := cloud.New()23    c.Stop()24}25func main() {26    c := cloud.New()27    c.Stop()28}29func main() {30    c := cloud.New()31    c.Stop()32}33func main() {34    c := cloud.New()35    c.Stop()36}37func main() {38    c := cloud.New()39    c.Stop()40}41func main() {42    c := cloud.New()43    c.Stop()44}45func main() {46    c := cloud.New()47    c.Stop()48}49func main() {50    c := cloud.New()51    c.Stop()52}53func main() {54    c := cloud.New()55    c.Stop()56}57func main() {58    c := cloud.New()59    c.Stop()60}61func main() {62    c := cloud.New()63    c.Stop()64}

Stop

Using AI Code Generation

1import "fmt"2func main(){3    c.Stop()4}5import "fmt"6func main(){7    c.Start()8}9import "package_name"10import "fmt"11import "cloud"12func main(){13    c.Stop()14}15import "fmt"16import "cloud"17func main(){18    c.Start()19}

Stop

Using AI Code Generation

1import (2type Cloud struct {3	StopCh chan struct{}4}5func NewCloud() *Cloud {6	return &Cloud{7		StopCh: make(chan struct{}),8	}9}10func (c *Cloud) Stop() {11	close(c.StopCh)12}13func (c *Cloud) Run() {14	fmt.Println("Cloud is running")15	for {16		select {17			fmt.Println("Cloud is stopped")18			fmt.Println("Cloud is running")19			time.Sleep(1 * time.Second)20		}21	}22}23func main() {24	c := NewCloud()25	go c.Run()26	time.Sleep(3 * time.Second)27	c.Stop()28	time.Sleep(3 * time.Second)29}

Stop

Using AI Code Generation

1import (2func main() {3	cloud := newCloud()4	cloud.start()5	time.Sleep(2 * time.Second)6	cloud.stop()7}8import (9func main() {10	cloud := newCloud()11	cloud.start()12	time.Sleep(2 * time.Second)13	cloud.stop()14}15import (16func main() {17	cloud := newCloud()18	cloud.start()19	time.Sleep(2 * time.Second)20	cloud.stop()21}22import (23func main() {24	cloud := newCloud()25	cloud.start()26	time.Sleep(2 * time.Second)27	cloud.stop()28}29import (30func main() {31	cloud := newCloud()32	cloud.start()33	time.Sleep(2 * time.Second)34	cloud.stop()35}36import (37func main() {38	cloud := newCloud()39	cloud.start()40	time.Sleep(2 * time.Second)41	cloud.stop()42}43import (44func main() {45	cloud := newCloud()46	cloud.start()47	time.Sleep(2 * time.Second)48	cloud.stop()49}50import (51func main() {52	cloud := newCloud()53	cloud.start()54	time.Sleep(2 * time.Second)55	cloud.stop()56}57import (58func main() {59	cloud := newCloud()60	cloud.start()61	time.Sleep(2 * time.Second)62	cloud.stop()63}

Stop

Using AI Code Generation

1import "fmt"2type cloud struct {3}4func (c *cloud) Stop() {5    fmt.Println("Stopping", c.name)6}7func main() {8    c := cloud{"aws"}9    c.Stop()10}11import "fmt"12type cloud struct {13}14func (c cloud) Stop() {15    fmt.Println("Stopping", c.name)16}17func main() {18    c := cloud{"aws"}19    c.Stop()20}21import "fmt"22type cloud struct {23}24func (c cloud) Stop() {25    fmt.Println("Stopping", c.name)26}27func main() {28    c := cloud{"aws"}29    c.Stop()30}31import "fmt"32type cloud struct {33}34func (c cloud) Stop() {35    fmt.Println("Stopping", c.name)36}37func main() {38    c := cloud{"aws"}39    c.Stop()40}41import "fmt"42type cloud struct {

Stop

Using AI Code Generation

1import (2type Cloud struct {3}4func (c *Cloud) Start() {5    fmt.Println("Cloud is starting")6}7func (c *Cloud) Stop() {8    fmt.Println("Cloud is stopping")9}10func main() {11    c := Cloud{"AWS", 100}12    c.Start()13    c.Stop()14}15import (16type Cloud struct {17}18func (c *Cloud) Start() {19    fmt.Println("Cloud is starting")20}21func (c *Cloud) Start(i int) {22    fmt.Println("Cloud is starting")23}24func main() {25    c := Cloud{"AWS", 100}26    c.Start()27    c.Start(1)28}29        method(*Cloud) func()30        method(*Cloud) func(int)

Stop

Using AI Code Generation

1import (2func main() {3	t := time.NewTimer(3 * time.Second)4	fmt.Println("Timer expired")5}6import (7func main() {8	t := time.NewTimer(3 * time.Second)9	fmt.Println("Timer expired")10}11import (12func main() {13	t := time.NewTimer(3 * time.Second)14	fmt.Println("Timer expired")15}16import (17func main() {18	t := time.NewTimer(3 * time.Second)19	fmt.Println("Timer expired")20}21import (22func main() {23	t := time.NewTimer(3 * time.Second)24	fmt.Println("Timer expired")25}26import (27func main() {28	t := time.NewTimer(3 * time.Second)29	fmt.Println("Timer expired")30}31import (32func main() {33	t := time.NewTimer(3 * time.Second)34	fmt.Println("Timer expired")35}36import (37func main() {38	t := time.NewTimer(3 * time.Second)39	fmt.Println("Timer expired")40}41import (42func main() {43	t := time.NewTimer(3 * time.Second)44	fmt.Println("Timer expired")45}

Stop

Using AI Code Generation

1import (2type Cloud struct {3}4func (c Cloud) Start() {5    fmt.Println(c.Name, "is starting...")6    time.Sleep(3 * time.Second)7    fmt.Println(c.Name, "is started")8}9func (c Cloud) Stop() {10    fmt.Println(c.Name, "is stopping...")11    time.Sleep(3 * time.Second)12    fmt.Println(c.Name, "is stopped")13}14func main() {15    c := Cloud{Name: "AWS"}16    c.Start()17    c.Stop()18}19import (20type Cloud struct {21}22func (c Cloud) Start() {23    fmt.Println(c.Name, "is starting...")24    time.Sleep(3 * time.Second)25    fmt.Println(c.Name, "is started")26}27func (c Cloud) Stop() {28    fmt.Println(c.Name, "is stopping...")29    time.Sleep(3 * time.Second)30    fmt.Println(c.Name, "is stopped")31}32func (c Cloud) CreateInstance(name string, flavor string, image string) {33    fmt.Println("Creating instance", name)34    fmt.Println("Flavor:", flavor)35    fmt.Println("Image:", image)36    time.Sleep(5 * time.Second)37    fmt.Println("Instance", name, "is created")38}39func main() {40    c := Cloud{Name: "AWS"}41    c.Start()42    c.CreateInstance("instance1", "t2.micro", "ubuntu")43    c.Stop()44}

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