611 lines
22 KiB
Go
611 lines
22 KiB
Go
// +build !windows
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package main
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import (
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"context"
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"fmt"
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"strconv"
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"strings"
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"time"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/swarm"
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"github.com/docker/docker/integration-cli/checker"
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"github.com/docker/docker/integration-cli/cli"
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"github.com/docker/docker/integration-cli/cli/build"
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"github.com/docker/docker/integration-cli/daemon"
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testdaemon "github.com/docker/docker/internal/test/daemon"
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"github.com/go-check/check"
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"golang.org/x/sys/unix"
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"gotest.tools/icmd"
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)
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func setPortConfig(portConfig []swarm.PortConfig) testdaemon.ServiceConstructor {
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return func(s *swarm.Service) {
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if s.Spec.EndpointSpec == nil {
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s.Spec.EndpointSpec = &swarm.EndpointSpec{}
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}
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s.Spec.EndpointSpec.Ports = portConfig
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}
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}
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func (s *DockerSwarmSuite) TestAPIServiceUpdatePort(c *check.C) {
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d := s.AddDaemon(c, true, true)
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// Create a service with a port mapping of 8080:8081.
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portConfig := []swarm.PortConfig{{TargetPort: 8081, PublishedPort: 8080}}
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serviceID := d.CreateService(c, simpleTestService, setInstances(1), setPortConfig(portConfig))
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 1)
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// Update the service: changed the port mapping from 8080:8081 to 8082:8083.
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updatedPortConfig := []swarm.PortConfig{{TargetPort: 8083, PublishedPort: 8082}}
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remoteService := d.GetService(c, serviceID)
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d.UpdateService(c, remoteService, setPortConfig(updatedPortConfig))
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// Inspect the service and verify port mapping.
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updatedService := d.GetService(c, serviceID)
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c.Assert(updatedService.Spec.EndpointSpec, check.NotNil)
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c.Assert(len(updatedService.Spec.EndpointSpec.Ports), check.Equals, 1)
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c.Assert(updatedService.Spec.EndpointSpec.Ports[0].TargetPort, check.Equals, uint32(8083))
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c.Assert(updatedService.Spec.EndpointSpec.Ports[0].PublishedPort, check.Equals, uint32(8082))
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}
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func (s *DockerSwarmSuite) TestAPISwarmServicesEmptyList(c *check.C) {
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d := s.AddDaemon(c, true, true)
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services := d.ListServices(c)
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c.Assert(services, checker.NotNil)
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c.Assert(len(services), checker.Equals, 0, check.Commentf("services: %#v", services))
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}
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func (s *DockerSwarmSuite) TestAPISwarmServicesCreate(c *check.C) {
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d := s.AddDaemon(c, true, true)
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instances := 2
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id := d.CreateService(c, simpleTestService, setInstances(instances))
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, instances)
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client := d.NewClientT(c)
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defer client.Close()
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options := types.ServiceInspectOptions{InsertDefaults: true}
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// insertDefaults inserts UpdateConfig when service is fetched by ID
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resp, _, err := client.ServiceInspectWithRaw(context.Background(), id, options)
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out := fmt.Sprintf("%+v", resp)
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c.Assert(err, checker.IsNil)
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c.Assert(out, checker.Contains, "UpdateConfig")
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// insertDefaults inserts UpdateConfig when service is fetched by ID
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resp, _, err = client.ServiceInspectWithRaw(context.Background(), "top", options)
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out = fmt.Sprintf("%+v", resp)
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c.Assert(err, checker.IsNil)
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c.Assert(string(out), checker.Contains, "UpdateConfig")
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service := d.GetService(c, id)
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instances = 5
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d.UpdateService(c, service, setInstances(instances))
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, instances)
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d.RemoveService(c, service.ID)
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 0)
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}
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func (s *DockerSwarmSuite) TestAPISwarmServicesMultipleAgents(c *check.C) {
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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, true, false)
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d3 := s.AddDaemon(c, true, false)
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time.Sleep(1 * time.Second) // make sure all daemons are ready to accept tasks
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instances := 9
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id := d1.CreateService(c, simpleTestService, setInstances(instances))
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waitAndAssert(c, defaultReconciliationTimeout, d1.CheckActiveContainerCount, checker.GreaterThan, 0)
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waitAndAssert(c, defaultReconciliationTimeout, d2.CheckActiveContainerCount, checker.GreaterThan, 0)
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waitAndAssert(c, defaultReconciliationTimeout, d3.CheckActiveContainerCount, checker.GreaterThan, 0)
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waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d2.CheckActiveContainerCount, d3.CheckActiveContainerCount), checker.Equals, instances)
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// reconciliation on d2 node down
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d2.Stop(c)
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waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d3.CheckActiveContainerCount), checker.Equals, instances)
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// test downscaling
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instances = 5
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d1.UpdateService(c, d1.GetService(c, id), setInstances(instances))
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waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d3.CheckActiveContainerCount), checker.Equals, instances)
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}
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func (s *DockerSwarmSuite) TestAPISwarmServicesCreateGlobal(c *check.C) {
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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, true, false)
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d3 := s.AddDaemon(c, true, false)
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d1.CreateService(c, simpleTestService, setGlobalMode)
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waitAndAssert(c, defaultReconciliationTimeout, d1.CheckActiveContainerCount, checker.Equals, 1)
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waitAndAssert(c, defaultReconciliationTimeout, d2.CheckActiveContainerCount, checker.Equals, 1)
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waitAndAssert(c, defaultReconciliationTimeout, d3.CheckActiveContainerCount, checker.Equals, 1)
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d4 := s.AddDaemon(c, true, false)
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d5 := s.AddDaemon(c, true, false)
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waitAndAssert(c, defaultReconciliationTimeout, d4.CheckActiveContainerCount, checker.Equals, 1)
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waitAndAssert(c, defaultReconciliationTimeout, d5.CheckActiveContainerCount, checker.Equals, 1)
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}
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func (s *DockerSwarmSuite) TestAPISwarmServicesUpdate(c *check.C) {
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const nodeCount = 3
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var daemons [nodeCount]*daemon.Daemon
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for i := 0; i < nodeCount; i++ {
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daemons[i] = s.AddDaemon(c, true, i == 0)
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}
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// wait for nodes ready
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waitAndAssert(c, 5*time.Second, daemons[0].CheckNodeReadyCount, checker.Equals, nodeCount)
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// service image at start
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image1 := "busybox:latest"
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// target image in update
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image2 := "busybox:test"
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// create a different tag
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for _, d := range daemons {
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out, err := d.Cmd("tag", image1, image2)
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c.Assert(err, checker.IsNil, check.Commentf("%s", out))
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}
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// create service
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instances := 5
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parallelism := 2
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rollbackParallelism := 3
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id := daemons[0].CreateService(c, serviceForUpdate, setInstances(instances))
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// wait for tasks ready
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances})
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// issue service update
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service := daemons[0].GetService(c, id)
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daemons[0].UpdateService(c, service, setImage(image2))
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// first batch
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances - parallelism, image2: parallelism})
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// 2nd batch
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances - 2*parallelism, image2: 2 * parallelism})
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// 3nd batch
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image2: instances})
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// Roll back to the previous version. This uses the CLI because
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// rollback used to be a client-side operation.
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out, err := daemons[0].Cmd("service", "update", "--detach", "--rollback", id)
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c.Assert(err, checker.IsNil, check.Commentf("%s", out))
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// first batch
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image2: instances - rollbackParallelism, image1: rollbackParallelism})
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// 2nd batch
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances})
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}
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func (s *DockerSwarmSuite) TestAPISwarmServicesUpdateStartFirst(c *check.C) {
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d := s.AddDaemon(c, true, true)
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// service image at start
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image1 := "busybox:latest"
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// target image in update
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image2 := "testhealth:latest"
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// service started from this image won't pass health check
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result := cli.BuildCmd(c, image2, cli.Daemon(d),
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build.WithDockerfile(`FROM busybox
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HEALTHCHECK --interval=1s --timeout=30s --retries=1024 \
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CMD cat /status`),
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)
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result.Assert(c, icmd.Success)
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// create service
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instances := 5
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parallelism := 2
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rollbackParallelism := 3
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id := d.CreateService(c, serviceForUpdate, setInstances(instances), setUpdateOrder(swarm.UpdateOrderStartFirst), setRollbackOrder(swarm.UpdateOrderStartFirst))
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checkStartingTasks := func(expected int) []swarm.Task {
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var startingTasks []swarm.Task
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waitAndAssert(c, defaultReconciliationTimeout, func(c *check.C) (interface{}, check.CommentInterface) {
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tasks := d.GetServiceTasks(c, id)
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startingTasks = nil
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for _, t := range tasks {
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if t.Status.State == swarm.TaskStateStarting {
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startingTasks = append(startingTasks, t)
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}
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}
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return startingTasks, nil
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}, checker.HasLen, expected)
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return startingTasks
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}
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makeTasksHealthy := func(tasks []swarm.Task) {
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for _, t := range tasks {
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containerID := t.Status.ContainerStatus.ContainerID
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d.Cmd("exec", containerID, "touch", "/status")
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}
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}
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// wait for tasks ready
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances})
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// issue service update
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service := d.GetService(c, id)
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d.UpdateService(c, service, setImage(image2))
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// first batch
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// The old tasks should be running, and the new ones should be starting.
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startingTasks := checkStartingTasks(parallelism)
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances})
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// make it healthy
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makeTasksHealthy(startingTasks)
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances - parallelism, image2: parallelism})
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// 2nd batch
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// The old tasks should be running, and the new ones should be starting.
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startingTasks = checkStartingTasks(parallelism)
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances - parallelism, image2: parallelism})
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// make it healthy
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makeTasksHealthy(startingTasks)
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances - 2*parallelism, image2: 2 * parallelism})
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// 3nd batch
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// The old tasks should be running, and the new ones should be starting.
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startingTasks = checkStartingTasks(1)
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances - 2*parallelism, image2: 2 * parallelism})
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// make it healthy
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makeTasksHealthy(startingTasks)
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image2: instances})
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// Roll back to the previous version. This uses the CLI because
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// rollback is a client-side operation.
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out, err := d.Cmd("service", "update", "--detach", "--rollback", id)
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c.Assert(err, checker.IsNil, check.Commentf("%s", out))
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// first batch
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image2: instances - rollbackParallelism, image1: rollbackParallelism})
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// 2nd batch
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances})
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}
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func (s *DockerSwarmSuite) TestAPISwarmServicesFailedUpdate(c *check.C) {
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const nodeCount = 3
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var daemons [nodeCount]*daemon.Daemon
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for i := 0; i < nodeCount; i++ {
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daemons[i] = s.AddDaemon(c, true, i == 0)
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}
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// wait for nodes ready
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waitAndAssert(c, 5*time.Second, daemons[0].CheckNodeReadyCount, checker.Equals, nodeCount)
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// service image at start
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image1 := "busybox:latest"
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// target image in update
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image2 := "busybox:badtag"
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// create service
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instances := 5
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id := daemons[0].CreateService(c, serviceForUpdate, setInstances(instances))
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// wait for tasks ready
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances})
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// issue service update
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service := daemons[0].GetService(c, id)
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daemons[0].UpdateService(c, service, setImage(image2), setFailureAction(swarm.UpdateFailureActionPause), setMaxFailureRatio(0.25), setParallelism(1))
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// should update 2 tasks and then pause
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceUpdateState(id), checker.Equals, swarm.UpdateStatePaused)
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v, _ := daemons[0].CheckServiceRunningTasks(id)(c)
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c.Assert(v, checker.Equals, instances-2)
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// Roll back to the previous version. This uses the CLI because
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// rollback used to be a client-side operation.
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out, err := daemons[0].Cmd("service", "update", "--detach", "--rollback", id)
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c.Assert(err, checker.IsNil, check.Commentf("%s", out))
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances})
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}
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func (s *DockerSwarmSuite) TestAPISwarmServiceConstraintRole(c *check.C) {
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const nodeCount = 3
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var daemons [nodeCount]*daemon.Daemon
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for i := 0; i < nodeCount; i++ {
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daemons[i] = s.AddDaemon(c, true, i == 0)
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}
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// wait for nodes ready
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waitAndAssert(c, 5*time.Second, daemons[0].CheckNodeReadyCount, checker.Equals, nodeCount)
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// create service
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constraints := []string{"node.role==worker"}
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instances := 3
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id := daemons[0].CreateService(c, simpleTestService, setConstraints(constraints), setInstances(instances))
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// wait for tasks ready
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceRunningTasks(id), checker.Equals, instances)
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// validate tasks are running on worker nodes
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tasks := daemons[0].GetServiceTasks(c, id)
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for _, task := range tasks {
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node := daemons[0].GetNode(c, task.NodeID)
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c.Assert(node.Spec.Role, checker.Equals, swarm.NodeRoleWorker)
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}
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//remove service
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daemons[0].RemoveService(c, id)
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// create service
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constraints = []string{"node.role!=worker"}
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id = daemons[0].CreateService(c, simpleTestService, setConstraints(constraints), setInstances(instances))
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// wait for tasks ready
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceRunningTasks(id), checker.Equals, instances)
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tasks = daemons[0].GetServiceTasks(c, id)
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// validate tasks are running on manager nodes
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for _, task := range tasks {
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node := daemons[0].GetNode(c, task.NodeID)
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c.Assert(node.Spec.Role, checker.Equals, swarm.NodeRoleManager)
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}
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//remove service
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daemons[0].RemoveService(c, id)
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// create service
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constraints = []string{"node.role==nosuchrole"}
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id = daemons[0].CreateService(c, simpleTestService, setConstraints(constraints), setInstances(instances))
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// wait for tasks created
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceTasks(id), checker.Equals, instances)
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// let scheduler try
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time.Sleep(250 * time.Millisecond)
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// validate tasks are not assigned to any node
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tasks = daemons[0].GetServiceTasks(c, id)
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for _, task := range tasks {
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c.Assert(task.NodeID, checker.Equals, "")
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}
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}
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func (s *DockerSwarmSuite) TestAPISwarmServiceConstraintLabel(c *check.C) {
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const nodeCount = 3
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var daemons [nodeCount]*daemon.Daemon
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for i := 0; i < nodeCount; i++ {
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daemons[i] = s.AddDaemon(c, true, i == 0)
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}
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// wait for nodes ready
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waitAndAssert(c, 5*time.Second, daemons[0].CheckNodeReadyCount, checker.Equals, nodeCount)
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nodes := daemons[0].ListNodes(c)
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c.Assert(len(nodes), checker.Equals, nodeCount)
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// add labels to nodes
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daemons[0].UpdateNode(c, nodes[0].ID, func(n *swarm.Node) {
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n.Spec.Annotations.Labels = map[string]string{
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"security": "high",
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}
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})
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for i := 1; i < nodeCount; i++ {
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daemons[0].UpdateNode(c, nodes[i].ID, func(n *swarm.Node) {
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n.Spec.Annotations.Labels = map[string]string{
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"security": "low",
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}
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})
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}
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// create service
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instances := 3
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constraints := []string{"node.labels.security==high"}
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id := daemons[0].CreateService(c, simpleTestService, setConstraints(constraints), setInstances(instances))
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// wait for tasks ready
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceRunningTasks(id), checker.Equals, instances)
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tasks := daemons[0].GetServiceTasks(c, id)
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// validate all tasks are running on nodes[0]
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for _, task := range tasks {
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c.Assert(task.NodeID, checker.Equals, nodes[0].ID)
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}
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//remove service
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daemons[0].RemoveService(c, id)
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// create service
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|
constraints = []string{"node.labels.security!=high"}
|
|
id = daemons[0].CreateService(c, simpleTestService, setConstraints(constraints), setInstances(instances))
|
|
// wait for tasks ready
|
|
waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceRunningTasks(id), checker.Equals, instances)
|
|
tasks = daemons[0].GetServiceTasks(c, id)
|
|
// validate all tasks are NOT running on nodes[0]
|
|
for _, task := range tasks {
|
|
c.Assert(task.NodeID, checker.Not(checker.Equals), nodes[0].ID)
|
|
}
|
|
//remove service
|
|
daemons[0].RemoveService(c, id)
|
|
|
|
constraints = []string{"node.labels.security==medium"}
|
|
id = daemons[0].CreateService(c, simpleTestService, setConstraints(constraints), setInstances(instances))
|
|
// wait for tasks created
|
|
waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceTasks(id), checker.Equals, instances)
|
|
// let scheduler try
|
|
time.Sleep(250 * time.Millisecond)
|
|
tasks = daemons[0].GetServiceTasks(c, id)
|
|
// validate tasks are not assigned
|
|
for _, task := range tasks {
|
|
c.Assert(task.NodeID, checker.Equals, "")
|
|
}
|
|
//remove service
|
|
daemons[0].RemoveService(c, id)
|
|
|
|
// multiple constraints
|
|
constraints = []string{
|
|
"node.labels.security==high",
|
|
fmt.Sprintf("node.id==%s", nodes[1].ID),
|
|
}
|
|
id = daemons[0].CreateService(c, simpleTestService, setConstraints(constraints), setInstances(instances))
|
|
// wait for tasks created
|
|
waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceTasks(id), checker.Equals, instances)
|
|
// let scheduler try
|
|
time.Sleep(250 * time.Millisecond)
|
|
tasks = daemons[0].GetServiceTasks(c, id)
|
|
// validate tasks are not assigned
|
|
for _, task := range tasks {
|
|
c.Assert(task.NodeID, checker.Equals, "")
|
|
}
|
|
// make nodes[1] fulfills the constraints
|
|
daemons[0].UpdateNode(c, nodes[1].ID, func(n *swarm.Node) {
|
|
n.Spec.Annotations.Labels = map[string]string{
|
|
"security": "high",
|
|
}
|
|
})
|
|
// wait for tasks ready
|
|
waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceRunningTasks(id), checker.Equals, instances)
|
|
tasks = daemons[0].GetServiceTasks(c, id)
|
|
for _, task := range tasks {
|
|
c.Assert(task.NodeID, checker.Equals, nodes[1].ID)
|
|
}
|
|
}
|
|
|
|
func (s *DockerSwarmSuite) TestAPISwarmServicePlacementPrefs(c *check.C) {
|
|
const nodeCount = 3
|
|
var daemons [nodeCount]*daemon.Daemon
|
|
for i := 0; i < nodeCount; i++ {
|
|
daemons[i] = s.AddDaemon(c, true, i == 0)
|
|
}
|
|
// wait for nodes ready
|
|
waitAndAssert(c, 5*time.Second, daemons[0].CheckNodeReadyCount, checker.Equals, nodeCount)
|
|
nodes := daemons[0].ListNodes(c)
|
|
c.Assert(len(nodes), checker.Equals, nodeCount)
|
|
|
|
// add labels to nodes
|
|
daemons[0].UpdateNode(c, nodes[0].ID, func(n *swarm.Node) {
|
|
n.Spec.Annotations.Labels = map[string]string{
|
|
"rack": "a",
|
|
}
|
|
})
|
|
for i := 1; i < nodeCount; i++ {
|
|
daemons[0].UpdateNode(c, nodes[i].ID, func(n *swarm.Node) {
|
|
n.Spec.Annotations.Labels = map[string]string{
|
|
"rack": "b",
|
|
}
|
|
})
|
|
}
|
|
|
|
// create service
|
|
instances := 4
|
|
prefs := []swarm.PlacementPreference{{Spread: &swarm.SpreadOver{SpreadDescriptor: "node.labels.rack"}}}
|
|
id := daemons[0].CreateService(c, simpleTestService, setPlacementPrefs(prefs), setInstances(instances))
|
|
// wait for tasks ready
|
|
waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceRunningTasks(id), checker.Equals, instances)
|
|
tasks := daemons[0].GetServiceTasks(c, id)
|
|
// validate all tasks are running on nodes[0]
|
|
tasksOnNode := make(map[string]int)
|
|
for _, task := range tasks {
|
|
tasksOnNode[task.NodeID]++
|
|
}
|
|
c.Assert(tasksOnNode[nodes[0].ID], checker.Equals, 2)
|
|
c.Assert(tasksOnNode[nodes[1].ID], checker.Equals, 1)
|
|
c.Assert(tasksOnNode[nodes[2].ID], checker.Equals, 1)
|
|
}
|
|
|
|
func (s *DockerSwarmSuite) TestAPISwarmServicesStateReporting(c *check.C) {
|
|
testRequires(c, testEnv.IsLocalDaemon)
|
|
testRequires(c, DaemonIsLinux)
|
|
|
|
d1 := s.AddDaemon(c, true, true)
|
|
d2 := s.AddDaemon(c, true, true)
|
|
d3 := s.AddDaemon(c, true, false)
|
|
|
|
time.Sleep(1 * time.Second) // make sure all daemons are ready to accept
|
|
|
|
instances := 9
|
|
d1.CreateService(c, simpleTestService, setInstances(instances))
|
|
|
|
waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d2.CheckActiveContainerCount, d3.CheckActiveContainerCount), checker.Equals, instances)
|
|
|
|
getContainers := func() map[string]*daemon.Daemon {
|
|
m := make(map[string]*daemon.Daemon)
|
|
for _, d := range []*daemon.Daemon{d1, d2, d3} {
|
|
for _, id := range d.ActiveContainers(c) {
|
|
m[id] = d
|
|
}
|
|
}
|
|
return m
|
|
}
|
|
|
|
containers := getContainers()
|
|
c.Assert(containers, checker.HasLen, instances)
|
|
var toRemove string
|
|
for i := range containers {
|
|
toRemove = i
|
|
}
|
|
|
|
_, err := containers[toRemove].Cmd("stop", toRemove)
|
|
c.Assert(err, checker.IsNil)
|
|
|
|
waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d2.CheckActiveContainerCount, d3.CheckActiveContainerCount), checker.Equals, instances)
|
|
|
|
containers2 := getContainers()
|
|
c.Assert(containers2, checker.HasLen, instances)
|
|
for i := range containers {
|
|
if i == toRemove {
|
|
c.Assert(containers2[i], checker.IsNil)
|
|
} else {
|
|
c.Assert(containers2[i], checker.NotNil)
|
|
}
|
|
}
|
|
|
|
containers = containers2
|
|
for i := range containers {
|
|
toRemove = i
|
|
}
|
|
|
|
// try with killing process outside of docker
|
|
pidStr, err := containers[toRemove].Cmd("inspect", "-f", "{{.State.Pid}}", toRemove)
|
|
c.Assert(err, checker.IsNil)
|
|
pid, err := strconv.Atoi(strings.TrimSpace(pidStr))
|
|
c.Assert(err, checker.IsNil)
|
|
c.Assert(unix.Kill(pid, unix.SIGKILL), checker.IsNil)
|
|
|
|
time.Sleep(time.Second) // give some time to handle the signal
|
|
|
|
waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d2.CheckActiveContainerCount, d3.CheckActiveContainerCount), checker.Equals, instances)
|
|
|
|
containers2 = getContainers()
|
|
c.Assert(containers2, checker.HasLen, instances)
|
|
for i := range containers {
|
|
if i == toRemove {
|
|
c.Assert(containers2[i], checker.IsNil)
|
|
} else {
|
|
c.Assert(containers2[i], checker.NotNil)
|
|
}
|
|
}
|
|
}
|