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package service // import "github.com/docker/docker/integration/service"
import (
"context"
"testing"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
swarmtypes "github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/api/types/versions"
"github.com/docker/docker/client"
"github.com/docker/docker/integration/internal/network"
"github.com/docker/docker/integration/internal/swarm"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/poll"
"gotest.tools/v3/skip"
)
func TestServiceUpdateLabel(t *testing.T) {
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
defer setupTest(t)()
d := swarm.NewSwarm(t, testEnv)
defer d.Stop(t)
cli := d.NewClientT(t)
defer cli.Close()
ctx := context.Background()
serviceName := "TestService_" + t.Name()
serviceID := swarm.CreateService(t, d, swarm.ServiceWithName(serviceName))
service := getService(t, cli, serviceID)
assert.Check(t, is.DeepEqual(service.Spec.Labels, map[string]string{}))
// add label to empty set
service.Spec.Labels["foo"] = "bar"
_, err := cli.ServiceUpdate(ctx, serviceID, service.Version, service.Spec, types.ServiceUpdateOptions{})
assert.NilError(t, err)
poll.WaitOn(t, serviceSpecIsUpdated(cli, serviceID, service.Version.Index), swarm.ServicePoll)
service = getService(t, cli, serviceID)
assert.Check(t, is.DeepEqual(service.Spec.Labels, map[string]string{"foo": "bar"}))
// add label to non-empty set
service.Spec.Labels["foo2"] = "bar"
_, err = cli.ServiceUpdate(ctx, serviceID, service.Version, service.Spec, types.ServiceUpdateOptions{})
assert.NilError(t, err)
poll.WaitOn(t, serviceSpecIsUpdated(cli, serviceID, service.Version.Index), swarm.ServicePoll)
service = getService(t, cli, serviceID)
assert.Check(t, is.DeepEqual(service.Spec.Labels, map[string]string{"foo": "bar", "foo2": "bar"}))
delete(service.Spec.Labels, "foo2")
_, err = cli.ServiceUpdate(ctx, serviceID, service.Version, service.Spec, types.ServiceUpdateOptions{})
assert.NilError(t, err)
poll.WaitOn(t, serviceSpecIsUpdated(cli, serviceID, service.Version.Index), swarm.ServicePoll)
service = getService(t, cli, serviceID)
assert.Check(t, is.DeepEqual(service.Spec.Labels, map[string]string{"foo": "bar"}))
delete(service.Spec.Labels, "foo")
_, err = cli.ServiceUpdate(ctx, serviceID, service.Version, service.Spec, types.ServiceUpdateOptions{})
assert.NilError(t, err)
poll.WaitOn(t, serviceSpecIsUpdated(cli, serviceID, service.Version.Index), swarm.ServicePoll)
service = getService(t, cli, serviceID)
assert.Check(t, is.DeepEqual(service.Spec.Labels, map[string]string{}))
// now make sure we can add again
service.Spec.Labels["foo"] = "bar"
_, err = cli.ServiceUpdate(ctx, serviceID, service.Version, service.Spec, types.ServiceUpdateOptions{})
assert.NilError(t, err)
poll.WaitOn(t, serviceSpecIsUpdated(cli, serviceID, service.Version.Index), swarm.ServicePoll)
service = getService(t, cli, serviceID)
assert.Check(t, is.DeepEqual(service.Spec.Labels, map[string]string{"foo": "bar"}))
err = cli.ServiceRemove(context.Background(), serviceID)
assert.NilError(t, err)
}
func TestServiceUpdateSecrets(t *testing.T) {
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
defer setupTest(t)()
d := swarm.NewSwarm(t, testEnv)
defer d.Stop(t)
cli := d.NewClientT(t)
defer cli.Close()
ctx := context.Background()
secretName := "TestSecret_" + t.Name()
secretTarget := "targetName"
resp, err := cli.SecretCreate(ctx, swarmtypes.SecretSpec{
Annotations: swarmtypes.Annotations{
Name: secretName,
},
Data: []byte("TESTINGDATA"),
})
assert.NilError(t, err)
assert.Check(t, resp.ID != "")
serviceName := "TestService_" + t.Name()
serviceID := swarm.CreateService(t, d, swarm.ServiceWithName(serviceName))
service := getService(t, cli, serviceID)
// add secret
service.Spec.TaskTemplate.ContainerSpec.Secrets = append(service.Spec.TaskTemplate.ContainerSpec.Secrets,
&swarmtypes.SecretReference{
File: &swarmtypes.SecretReferenceFileTarget{
Name: secretTarget,
UID: "0",
GID: "0",
Mode: 0600,
},
SecretID: resp.ID,
SecretName: secretName,
},
)
_, err = cli.ServiceUpdate(ctx, serviceID, service.Version, service.Spec, types.ServiceUpdateOptions{})
assert.NilError(t, err)
poll.WaitOn(t, serviceIsUpdated(cli, serviceID), swarm.ServicePoll)
service = getService(t, cli, serviceID)
secrets := service.Spec.TaskTemplate.ContainerSpec.Secrets
assert.Assert(t, is.Equal(1, len(secrets)))
secret := *secrets[0]
assert.Check(t, is.Equal(secretName, secret.SecretName))
assert.Check(t, nil != secret.File)
assert.Check(t, is.Equal(secretTarget, secret.File.Name))
// remove
service.Spec.TaskTemplate.ContainerSpec.Secrets = []*swarmtypes.SecretReference{}
_, err = cli.ServiceUpdate(ctx, serviceID, service.Version, service.Spec, types.ServiceUpdateOptions{})
assert.NilError(t, err)
poll.WaitOn(t, serviceIsUpdated(cli, serviceID), swarm.ServicePoll)
service = getService(t, cli, serviceID)
assert.Check(t, is.Equal(0, len(service.Spec.TaskTemplate.ContainerSpec.Secrets)))
err = cli.ServiceRemove(context.Background(), serviceID)
assert.NilError(t, err)
}
func TestServiceUpdateConfigs(t *testing.T) {
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
defer setupTest(t)()
d := swarm.NewSwarm(t, testEnv)
defer d.Stop(t)
cli := d.NewClientT(t)
defer cli.Close()
ctx := context.Background()
configName := "TestConfig_" + t.Name()
configTarget := "targetName"
resp, err := cli.ConfigCreate(ctx, swarmtypes.ConfigSpec{
Annotations: swarmtypes.Annotations{
Name: configName,
},
Data: []byte("TESTINGDATA"),
})
assert.NilError(t, err)
assert.Check(t, resp.ID != "")
serviceName := "TestService_" + t.Name()
serviceID := swarm.CreateService(t, d, swarm.ServiceWithName(serviceName))
service := getService(t, cli, serviceID)
// add config
service.Spec.TaskTemplate.ContainerSpec.Configs = append(service.Spec.TaskTemplate.ContainerSpec.Configs,
&swarmtypes.ConfigReference{
File: &swarmtypes.ConfigReferenceFileTarget{
Name: configTarget,
UID: "0",
GID: "0",
Mode: 0600,
},
ConfigID: resp.ID,
ConfigName: configName,
},
)
_, err = cli.ServiceUpdate(ctx, serviceID, service.Version, service.Spec, types.ServiceUpdateOptions{})
assert.NilError(t, err)
poll.WaitOn(t, serviceIsUpdated(cli, serviceID), swarm.ServicePoll)
service = getService(t, cli, serviceID)
configs := service.Spec.TaskTemplate.ContainerSpec.Configs
assert.Assert(t, is.Equal(1, len(configs)))
config := *configs[0]
assert.Check(t, is.Equal(configName, config.ConfigName))
assert.Check(t, nil != config.File)
assert.Check(t, is.Equal(configTarget, config.File.Name))
// remove
service.Spec.TaskTemplate.ContainerSpec.Configs = []*swarmtypes.ConfigReference{}
_, err = cli.ServiceUpdate(ctx, serviceID, service.Version, service.Spec, types.ServiceUpdateOptions{})
assert.NilError(t, err)
poll.WaitOn(t, serviceIsUpdated(cli, serviceID), swarm.ServicePoll)
service = getService(t, cli, serviceID)
assert.Check(t, is.Equal(0, len(service.Spec.TaskTemplate.ContainerSpec.Configs)))
err = cli.ServiceRemove(context.Background(), serviceID)
assert.NilError(t, err)
}
func TestServiceUpdateNetwork(t *testing.T) {
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
defer setupTest(t)()
d := swarm.NewSwarm(t, testEnv)
defer d.Stop(t)
cli := d.NewClientT(t)
defer cli.Close()
ctx := context.Background()
// Create a overlay network
testNet := "testNet" + t.Name()
overlayID := network.CreateNoError(ctx, t, cli, testNet,
network.WithDriver("overlay"))
var instances uint64 = 1
// Create service with the overlay network
serviceName := "TestServiceUpdateNetworkRM_" + t.Name()
serviceID := swarm.CreateService(t, d,
swarm.ServiceWithReplicas(instances),
swarm.ServiceWithName(serviceName),
swarm.ServiceWithNetwork(testNet))
poll.WaitOn(t, swarm.RunningTasksCount(cli, serviceID, instances), swarm.ServicePoll)
service := getService(t, cli, serviceID)
netInfo, err := cli.NetworkInspect(ctx, testNet, types.NetworkInspectOptions{
Verbose: true,
Scope: "swarm",
})
assert.NilError(t, err)
assert.Assert(t, len(netInfo.Containers) == 2, "Expected 2 endpoints, one for container and one for LB Sandbox")
// Remove network from service
service.Spec.TaskTemplate.Networks = []swarmtypes.NetworkAttachmentConfig{}
_, err = cli.ServiceUpdate(ctx, serviceID, service.Version, service.Spec, types.ServiceUpdateOptions{})
assert.NilError(t, err)
poll.WaitOn(t, serviceIsUpdated(cli, serviceID), swarm.ServicePoll)
netInfo, err = cli.NetworkInspect(ctx, testNet, types.NetworkInspectOptions{
Verbose: true,
Scope: "swarm",
})
assert.NilError(t, err)
assert.Assert(t, len(netInfo.Containers) == 0, "Load balancing endpoint still exists in network")
err = cli.NetworkRemove(ctx, overlayID)
assert.NilError(t, err)
err = cli.ServiceRemove(ctx, serviceID)
assert.NilError(t, err)
}
// TestServiceUpdatePidsLimit tests creating and updating a service with PidsLimit
func TestServiceUpdatePidsLimit(t *testing.T) {
skip.If(
t, versions.LessThan(testEnv.DaemonAPIVersion(), "1.41"),
"setting pidslimit for services is not supported before api v1.41",
)
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
tests := []struct {
name string
pidsLimit int64
expected int64
}{
{
name: "create service with PidsLimit 300",
pidsLimit: 300,
expected: 300,
},
{
name: "unset PidsLimit to 0",
pidsLimit: 0,
expected: 0,
},
{
name: "update PidsLimit to 100",
pidsLimit: 100,
expected: 100,
},
}
defer setupTest(t)()
d := swarm.NewSwarm(t, testEnv)
defer d.Stop(t)
cli := d.NewClientT(t)
defer func() { _ = cli.Close() }()
ctx := context.Background()
var (
serviceID string
service swarmtypes.Service
)
for i, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
if i == 0 {
serviceID = swarm.CreateService(t, d, swarm.ServiceWithPidsLimit(tc.pidsLimit))
} else {
service = getService(t, cli, serviceID)
if service.Spec.TaskTemplate.Resources == nil {
service.Spec.TaskTemplate.Resources = &swarmtypes.ResourceRequirements{}
}
if service.Spec.TaskTemplate.Resources.Limits == nil {
service.Spec.TaskTemplate.Resources.Limits = &swarmtypes.Limit{}
}
service.Spec.TaskTemplate.Resources.Limits.Pids = tc.pidsLimit
_, err := cli.ServiceUpdate(ctx, serviceID, service.Version, service.Spec, types.ServiceUpdateOptions{})
assert.NilError(t, err)
poll.WaitOn(t, serviceIsUpdated(cli, serviceID), swarm.ServicePoll)
}
poll.WaitOn(t, swarm.RunningTasksCount(cli, serviceID, 1), swarm.ServicePoll)
service = getService(t, cli, serviceID)
container := getServiceTaskContainer(ctx, t, cli, serviceID)
assert.Equal(t, service.Spec.TaskTemplate.Resources.Limits.Pids, tc.expected)
if tc.expected == 0 {
if container.HostConfig.Resources.PidsLimit != nil {
t.Fatalf("Expected container.HostConfig.Resources.PidsLimit to be nil")
}
} else {
assert.Assert(t, container.HostConfig.Resources.PidsLimit != nil)
assert.Equal(t, *container.HostConfig.Resources.PidsLimit, tc.expected)
}
})
}
err := cli.ServiceRemove(ctx, serviceID)
assert.NilError(t, err)
}
func getServiceTaskContainer(ctx context.Context, t *testing.T, cli client.APIClient, serviceID string) types.ContainerJSON {
t.Helper()
filter := filters.NewArgs()
filter.Add("service", serviceID)
filter.Add("desired-state", "running")
tasks, err := cli.TaskList(ctx, types.TaskListOptions{Filters: filter})
assert.NilError(t, err)
assert.Assert(t, len(tasks) > 0)
ctr, err := cli.ContainerInspect(ctx, tasks[0].Status.ContainerStatus.ContainerID)
assert.NilError(t, err)
assert.Equal(t, ctr.State.Running, true)
return ctr
}
func getService(t *testing.T, cli client.ServiceAPIClient, serviceID string) swarmtypes.Service {
t.Helper()
service, _, err := cli.ServiceInspectWithRaw(context.Background(), serviceID, types.ServiceInspectOptions{})
assert.NilError(t, err)
return service
}
func serviceIsUpdated(client client.ServiceAPIClient, serviceID string) func(log poll.LogT) poll.Result {
return func(log poll.LogT) poll.Result {
service, _, err := client.ServiceInspectWithRaw(context.Background(), serviceID, types.ServiceInspectOptions{})
switch {
case err != nil:
return poll.Error(err)
case service.UpdateStatus != nil && service.UpdateStatus.State == swarmtypes.UpdateStateCompleted:
return poll.Success()
default:
if service.UpdateStatus != nil {
return poll.Continue("waiting for service %s to be updated, state: %s, message: %s", serviceID, service.UpdateStatus.State, service.UpdateStatus.Message)
}
return poll.Continue("waiting for service %s to be updated", serviceID)
}
}
}
func serviceSpecIsUpdated(client client.ServiceAPIClient, serviceID string, serviceOldVersion uint64) func(log poll.LogT) poll.Result {
return func(log poll.LogT) poll.Result {
service, _, err := client.ServiceInspectWithRaw(context.Background(), serviceID, types.ServiceInspectOptions{})
switch {
case err != nil:
return poll.Error(err)
case service.Version.Index > serviceOldVersion:
return poll.Success()
default:
return poll.Continue("waiting for service %s to be updated", serviceID)
}
}
}
|
