docker/integration-cli/docker_api_swarm_test.go

641 строка
20 KiB
Go
Исходник Обычный вид История

// +build !windows
package main
import (
"net/http"
"strconv"
"strings"
"syscall"
"time"
"github.com/docker/docker/pkg/integration/checker"
"github.com/docker/engine-api/types/swarm"
"github.com/go-check/check"
)
var defaultReconciliationTimeout = 30 * time.Second
func (s *DockerSwarmSuite) TestApiSwarmInit(c *check.C) {
// todo: should find a better way to verify that components are running than /info
d1 := s.AddDaemon(c, true, true)
info, err := d1.info()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.Equals, true)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
d2 := s.AddDaemon(c, true, false)
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.Equals, false)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
// Leaving cluster
c.Assert(d2.Leave(false), checker.IsNil)
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.Equals, false)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
c.Assert(d2.Join(d1.listenAddr, "", "", false), checker.IsNil)
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.Equals, false)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
// Current state restoring after restarts
err = d1.Stop()
c.Assert(err, checker.IsNil)
err = d2.Stop()
c.Assert(err, checker.IsNil)
err = d1.Start()
c.Assert(err, checker.IsNil)
err = d2.Start()
c.Assert(err, checker.IsNil)
info, err = d1.info()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.Equals, true)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.Equals, false)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
}
func (s *DockerSwarmSuite) TestApiSwarmManualAcceptance(c *check.C) {
s.testAPISwarmManualAcceptance(c, "")
}
func (s *DockerSwarmSuite) TestApiSwarmManualAcceptanceSecret(c *check.C) {
s.testAPISwarmManualAcceptance(c, "foobaz")
}
func (s *DockerSwarmSuite) testAPISwarmManualAcceptance(c *check.C, secret string) {
d1 := s.AddDaemon(c, false, false)
c.Assert(d1.Init(map[string]bool{}, secret), checker.IsNil)
d2 := s.AddDaemon(c, false, false)
err := d2.Join(d1.listenAddr, "", "", false)
c.Assert(err, checker.NotNil)
if secret == "" {
c.Assert(err.Error(), checker.Contains, "Timeout reached")
info, err := d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStatePending)
c.Assert(d2.Leave(false), checker.IsNil)
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
} else {
c.Assert(err.Error(), checker.Contains, "valid secret token is necessary")
info, err := d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
}
d3 := s.AddDaemon(c, false, false)
go func() {
for i := 0; ; i++ {
info, err := d3.info()
c.Assert(err, checker.IsNil)
if info.NodeID != "" {
d1.updateNode(c, d1.getNode(c, info.NodeID), func(n *swarm.Node) {
n.Spec.Membership = swarm.NodeMembershipAccepted
})
return
}
if i >= 10 {
c.Errorf("could not find nodeID")
}
time.Sleep(300 * time.Millisecond)
}
}()
c.Assert(d3.Join(d1.listenAddr, secret, "", false), checker.IsNil)
}
func (s *DockerSwarmSuite) TestApiSwarmSecretAcceptance(c *check.C) {
d1 := s.AddDaemon(c, false, false)
aa := make(map[string]bool)
aa["worker"] = true
c.Assert(d1.Init(aa, "foobar"), checker.IsNil)
d2 := s.AddDaemon(c, false, false)
err := d2.Join(d1.listenAddr, "", "", false)
c.Assert(err, checker.NotNil)
c.Assert(err.Error(), checker.Contains, "secret token is necessary")
info, err := d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
err = d2.Join(d1.listenAddr, "foobaz", "", false)
c.Assert(err, checker.NotNil)
c.Assert(err.Error(), checker.Contains, "secret token is necessary")
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
c.Assert(d2.Join(d1.listenAddr, "foobar", "", false), checker.IsNil)
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
c.Assert(d2.Leave(false), checker.IsNil)
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
// change secret
d1.updateSwarm(c, func(s *swarm.Spec) {
for i := range s.AcceptancePolicy.Policies {
p := "foobaz"
s.AcceptancePolicy.Policies[i].Secret = &p
}
})
err = d2.Join(d1.listenAddr, "foobar", "", false)
c.Assert(err, checker.NotNil)
c.Assert(err.Error(), checker.Contains, "secret token is necessary")
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
c.Assert(d2.Join(d1.listenAddr, "foobaz", "", false), checker.IsNil)
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
c.Assert(d2.Leave(false), checker.IsNil)
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
// change policy, don't change secret
d1.updateSwarm(c, func(s *swarm.Spec) {
for i, p := range s.AcceptancePolicy.Policies {
if p.Role == swarm.NodeRoleManager {
s.AcceptancePolicy.Policies[i].Autoaccept = false
}
s.AcceptancePolicy.Policies[i].Secret = nil
}
})
err = d2.Join(d1.listenAddr, "", "", false)
c.Assert(err, checker.NotNil)
c.Assert(err.Error(), checker.Contains, "secret token is necessary")
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
c.Assert(d2.Join(d1.listenAddr, "foobaz", "", false), checker.IsNil)
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
c.Assert(d2.Leave(false), checker.IsNil)
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
// clear secret
d1.updateSwarm(c, func(s *swarm.Spec) {
for i := range s.AcceptancePolicy.Policies {
p := ""
s.AcceptancePolicy.Policies[i].Secret = &p
}
})
c.Assert(d2.Join(d1.listenAddr, "", "", false), checker.IsNil)
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
c.Assert(d2.Leave(false), checker.IsNil)
info, err = d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
}
func (s *DockerSwarmSuite) TestApiSwarmCAHash(c *check.C) {
d1 := s.AddDaemon(c, true, true)
d2 := s.AddDaemon(c, false, false)
err := d2.Join(d1.listenAddr, "", "foobar", false)
c.Assert(err, checker.NotNil)
c.Assert(err.Error(), checker.Contains, "invalid checksum digest format")
c.Assert(len(d1.CACertHash), checker.GreaterThan, 0)
c.Assert(d2.Join(d1.listenAddr, "", d1.CACertHash, false), checker.IsNil)
}
func (s *DockerSwarmSuite) TestApiSwarmPromoteDemote(c *check.C) {
d1 := s.AddDaemon(c, false, false)
c.Assert(d1.Init(map[string]bool{"worker": true}, ""), checker.IsNil)
d2 := s.AddDaemon(c, true, false)
info, err := d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.Equals, false)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
d1.updateNode(c, d1.getNode(c, d2.NodeID), func(n *swarm.Node) {
n.Spec.Role = swarm.NodeRoleManager
})
for i := 0; ; i++ {
info, err := d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
if info.ControlAvailable {
break
}
if i > 10 {
c.Errorf("node did not turn into manager")
} else {
break
}
time.Sleep(100 * time.Millisecond)
}
d1.updateNode(c, d1.getNode(c, d2.NodeID), func(n *swarm.Node) {
n.Spec.Role = swarm.NodeRoleWorker
})
for i := 0; ; i++ {
info, err := d2.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
if !info.ControlAvailable {
break
}
if i > 10 {
c.Errorf("node did not turn into manager")
} else {
break
}
time.Sleep(100 * time.Millisecond)
}
// todo: test raft qourum stability
}
func (s *DockerSwarmSuite) TestApiSwarmServicesCreate(c *check.C) {
d := s.AddDaemon(c, true, true)
instances := 2
id := d.createService(c, simpleTestService, setInstances(instances))
waitAndAssert(c, defaultReconciliationTimeout, d.checkActiveContainerCount, checker.Equals, instances)
service := d.getService(c, id)
instances = 5
d.updateService(c, service, setInstances(instances))
waitAndAssert(c, defaultReconciliationTimeout, d.checkActiveContainerCount, checker.Equals, instances)
d.removeService(c, service.ID)
waitAndAssert(c, defaultReconciliationTimeout, d.checkActiveContainerCount, checker.Equals, 0)
}
func (s *DockerSwarmSuite) TestApiSwarmServicesMultipleAgents(c *check.C) {
d1 := s.AddDaemon(c, true, true)
d2 := s.AddDaemon(c, true, false)
d3 := s.AddDaemon(c, true, false)
time.Sleep(1 * time.Second) // make sure all daemons are ready to accept tasks
instances := 9
id := d1.createService(c, simpleTestService, setInstances(instances))
waitAndAssert(c, defaultReconciliationTimeout, d1.checkActiveContainerCount, checker.GreaterThan, 0)
waitAndAssert(c, defaultReconciliationTimeout, d2.checkActiveContainerCount, checker.GreaterThan, 0)
waitAndAssert(c, defaultReconciliationTimeout, d3.checkActiveContainerCount, checker.GreaterThan, 0)
waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.checkActiveContainerCount, d2.checkActiveContainerCount, d3.checkActiveContainerCount), checker.Equals, instances)
// reconciliation on d2 node down
c.Assert(d2.Stop(), checker.IsNil)
waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.checkActiveContainerCount, d3.checkActiveContainerCount), checker.Equals, instances)
// test downscaling
instances = 5
d1.updateService(c, d1.getService(c, id), setInstances(instances))
waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.checkActiveContainerCount, d3.checkActiveContainerCount), checker.Equals, instances)
}
func (s *DockerSwarmSuite) TestApiSwarmServicesCreateGlobal(c *check.C) {
d1 := s.AddDaemon(c, true, true)
d2 := s.AddDaemon(c, true, false)
d3 := s.AddDaemon(c, true, false)
d1.createService(c, simpleTestService, setGlobalMode)
waitAndAssert(c, defaultReconciliationTimeout, d1.checkActiveContainerCount, checker.Equals, 1)
waitAndAssert(c, defaultReconciliationTimeout, d2.checkActiveContainerCount, checker.Equals, 1)
waitAndAssert(c, defaultReconciliationTimeout, d3.checkActiveContainerCount, checker.Equals, 1)
d4 := s.AddDaemon(c, true, false)
d5 := s.AddDaemon(c, true, false)
waitAndAssert(c, defaultReconciliationTimeout, d4.checkActiveContainerCount, checker.Equals, 1)
waitAndAssert(c, defaultReconciliationTimeout, d5.checkActiveContainerCount, checker.Equals, 1)
}
func (s *DockerSwarmSuite) TestApiSwarmServicesStateReporting(c *check.C) {
testRequires(c, SameHostDaemon)
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]*SwarmDaemon {
m := make(map[string]*SwarmDaemon)
for _, d := range []*SwarmDaemon{d1, d2, d3} {
for _, id := range d.activeContainers() {
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(syscall.Kill(pid, syscall.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)
}
}
}
func (s *DockerSwarmSuite) TestApiSwarmRaftQuorum(c *check.C) {
d1 := s.AddDaemon(c, true, true)
d2 := s.AddDaemon(c, true, true)
d3 := s.AddDaemon(c, true, true)
d1.createService(c, simpleTestService)
c.Assert(d2.Stop(), checker.IsNil)
d1.createService(c, simpleTestService, func(s *swarm.Service) {
s.Spec.Name = "top1"
})
c.Assert(d3.Stop(), checker.IsNil)
var service swarm.Service
simpleTestService(&service)
service.Spec.Name = "top2"
status, out, err := d1.SockRequest("POST", "/services/create", service.Spec)
c.Assert(err, checker.IsNil)
c.Assert(status, checker.Equals, http.StatusInternalServerError, check.Commentf("deadline exceeded", string(out)))
c.Assert(d2.Start(), checker.IsNil)
d1.createService(c, simpleTestService, func(s *swarm.Service) {
s.Spec.Name = "top3"
})
}
func (s *DockerSwarmSuite) TestApiSwarmListNodes(c *check.C) {
d1 := s.AddDaemon(c, true, true)
d2 := s.AddDaemon(c, true, false)
d3 := s.AddDaemon(c, true, false)
nodes := d1.listNodes(c)
c.Assert(len(nodes), checker.Equals, 3, check.Commentf("nodes: %#v", nodes))
loop0:
for _, n := range nodes {
for _, d := range []*SwarmDaemon{d1, d2, d3} {
if n.ID == d.NodeID {
continue loop0
}
}
c.Errorf("unknown nodeID %v", n.ID)
}
}
func (s *DockerSwarmSuite) TestApiSwarmNodeUpdate(c *check.C) {
d := s.AddDaemon(c, true, true)
nodes := d.listNodes(c)
d.updateNode(c, d.getNode(c, nodes[0].ID), func(n *swarm.Node) {
n.Spec.Availability = swarm.NodeAvailabilityPause
})
n := d.getNode(c, nodes[0].ID)
c.Assert(n.Spec.Availability, checker.Equals, swarm.NodeAvailabilityPause)
}
func (s *DockerSwarmSuite) TestApiSwarmNodeDrainPause(c *check.C) {
d1 := s.AddDaemon(c, true, true)
d2 := s.AddDaemon(c, true, false)
time.Sleep(1 * time.Second) // make sure all daemons are ready to accept tasks
// start a service, expect balanced distribution
instances := 8
id := d1.createService(c, simpleTestService, setInstances(instances))
waitAndAssert(c, defaultReconciliationTimeout, d1.checkActiveContainerCount, checker.GreaterThan, 0)
waitAndAssert(c, defaultReconciliationTimeout, d2.checkActiveContainerCount, checker.GreaterThan, 0)
waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.checkActiveContainerCount, d2.checkActiveContainerCount), checker.Equals, instances)
// drain d2, all containers should move to d1
d1.updateNode(c, d1.getNode(c, d2.NodeID), func(n *swarm.Node) {
n.Spec.Availability = swarm.NodeAvailabilityDrain
})
waitAndAssert(c, defaultReconciliationTimeout, d1.checkActiveContainerCount, checker.Equals, instances)
waitAndAssert(c, defaultReconciliationTimeout, d2.checkActiveContainerCount, checker.Equals, 0)
// set d2 back to active
d1.updateNode(c, d1.getNode(c, d2.NodeID), func(n *swarm.Node) {
n.Spec.Availability = swarm.NodeAvailabilityActive
})
instances = 1
d1.updateService(c, d1.getService(c, id), setInstances(instances))
waitAndAssert(c, defaultReconciliationTimeout*2, reducedCheck(sumAsIntegers, d1.checkActiveContainerCount, d2.checkActiveContainerCount), checker.Equals, instances)
instances = 8
d1.updateService(c, d1.getService(c, id), setInstances(instances))
// drained node first so we don't get any old containers
waitAndAssert(c, defaultReconciliationTimeout, d2.checkActiveContainerCount, checker.GreaterThan, 0)
waitAndAssert(c, defaultReconciliationTimeout, d1.checkActiveContainerCount, checker.GreaterThan, 0)
waitAndAssert(c, defaultReconciliationTimeout*2, reducedCheck(sumAsIntegers, d1.checkActiveContainerCount, d2.checkActiveContainerCount), checker.Equals, instances)
d2ContainerCount := len(d2.activeContainers())
// set d2 to paused, scale service up, only d1 gets new tasks
d1.updateNode(c, d1.getNode(c, d2.NodeID), func(n *swarm.Node) {
n.Spec.Availability = swarm.NodeAvailabilityPause
})
instances = 14
d1.updateService(c, d1.getService(c, id), setInstances(instances))
waitAndAssert(c, defaultReconciliationTimeout, d1.checkActiveContainerCount, checker.Equals, instances-d2ContainerCount)
waitAndAssert(c, defaultReconciliationTimeout, d2.checkActiveContainerCount, checker.Equals, d2ContainerCount)
}
func (s *DockerSwarmSuite) TestApiSwarmLeaveRemovesContainer(c *check.C) {
d := s.AddDaemon(c, true, true)
instances := 2
d.createService(c, simpleTestService, setInstances(instances))
id, err := d.Cmd("run", "-d", "busybox", "top")
c.Assert(err, checker.IsNil)
id = strings.TrimSpace(id)
waitAndAssert(c, defaultReconciliationTimeout, d.checkActiveContainerCount, checker.Equals, instances+1)
c.Assert(d.Leave(false), checker.NotNil)
c.Assert(d.Leave(true), checker.IsNil)
waitAndAssert(c, defaultReconciliationTimeout, d.checkActiveContainerCount, checker.Equals, 1)
id2, err := d.Cmd("ps", "-q")
c.Assert(err, checker.IsNil)
c.Assert(id, checker.HasPrefix, strings.TrimSpace(id2))
}
func (s *DockerSwarmSuite) TestApiSwarmManagerRestore(c *check.C) {
d1 := s.AddDaemon(c, true, true)
instances := 2
id := d1.createService(c, simpleTestService, setInstances(instances))
d1.getService(c, id)
d1.Stop()
d1.Start()
d1.getService(c, id)
d2 := s.AddDaemon(c, true, true)
d2.getService(c, id)
d2.Stop()
d2.Start()
d2.getService(c, id)
d3 := s.AddDaemon(c, true, true)
d3.getService(c, id)
d3.Stop()
d3.Start()
d3.getService(c, id)
d3.Kill()
time.Sleep(1 * time.Second) // time to handle signal
d3.Start()
d3.getService(c, id)
}
func (s *DockerSwarmSuite) TestApiSwarmScaleNoRollingUpdate(c *check.C) {
d := s.AddDaemon(c, true, true)
instances := 2
id := d.createService(c, simpleTestService, setInstances(instances))
waitAndAssert(c, defaultReconciliationTimeout, d.checkActiveContainerCount, checker.Equals, instances)
containers := d.activeContainers()
instances = 4
d.updateService(c, d.getService(c, id), setInstances(instances))
waitAndAssert(c, defaultReconciliationTimeout, d.checkActiveContainerCount, checker.Equals, instances)
containers2 := d.activeContainers()
loop0:
for _, c1 := range containers {
for _, c2 := range containers2 {
if c1 == c2 {
continue loop0
}
}
c.Errorf("container %v not found in new set %#v", c1, containers2)
}
}
func simpleTestService(s *swarm.Service) {
var ureplicas uint64
ureplicas = 1
s.Spec = swarm.ServiceSpec{
TaskTemplate: swarm.TaskSpec{
ContainerSpec: swarm.ContainerSpec{
Image: "busybox:latest",
Command: []string{"/bin/top"},
},
},
Mode: swarm.ServiceMode{
Replicated: &swarm.ReplicatedService{
Replicas: &ureplicas,
},
},
}
s.Spec.Name = "top"
}
func setInstances(replicas int) serviceConstructor {
ureplicas := uint64(replicas)
return func(s *swarm.Service) {
s.Spec.Mode = swarm.ServiceMode{
Replicated: &swarm.ReplicatedService{
Replicas: &ureplicas,
},
}
}
}
func setGlobalMode(s *swarm.Service) {
s.Spec.Mode = swarm.ServiceMode{
Global: &swarm.GlobalService{},
}
}