docker/integration-cli/docker_api_swarm_test.go

852 строки
26 KiB
Go

// +build !windows
package main
import (
"encoding/json"
"fmt"
"net"
"net/http"
"os"
"path/filepath"
"strings"
"sync"
"time"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/integration-cli/checker"
"github.com/docker/docker/integration-cli/daemon"
"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.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.True)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
d2 := s.AddDaemon(c, true, false)
info, err = d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.False)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
// Leaving cluster
c.Assert(d2.Leave(false), checker.IsNil)
info, err = d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.False)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
c.Assert(d2.Join(swarm.JoinRequest{JoinToken: d1.JoinTokens(c).Worker, RemoteAddrs: []string{d1.ListenAddr}}), checker.IsNil)
info, err = d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.False)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
// Current state restoring after restarts
d1.Stop(c)
d2.Stop(c)
d1.Start(c)
d2.Start(c)
info, err = d1.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.True)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
info, err = d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.False)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
}
func (s *DockerSwarmSuite) TestAPISwarmJoinToken(c *check.C) {
d1 := s.AddDaemon(c, false, false)
c.Assert(d1.Init(swarm.InitRequest{}), checker.IsNil)
// todo: error message differs depending if some components of token are valid
d2 := s.AddDaemon(c, false, false)
err := d2.Join(swarm.JoinRequest{RemoteAddrs: []string{d1.ListenAddr}})
c.Assert(err, checker.NotNil)
c.Assert(err.Error(), checker.Contains, "join token is necessary")
info, err := d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
err = d2.Join(swarm.JoinRequest{JoinToken: "foobaz", RemoteAddrs: []string{d1.ListenAddr}})
c.Assert(err, checker.NotNil)
c.Assert(err.Error(), checker.Contains, "invalid join token")
info, err = d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
workerToken := d1.JoinTokens(c).Worker
c.Assert(d2.Join(swarm.JoinRequest{JoinToken: workerToken, RemoteAddrs: []string{d1.ListenAddr}}), checker.IsNil)
info, err = d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
c.Assert(d2.Leave(false), checker.IsNil)
info, err = d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
// change tokens
d1.RotateTokens(c)
err = d2.Join(swarm.JoinRequest{JoinToken: workerToken, RemoteAddrs: []string{d1.ListenAddr}})
c.Assert(err, checker.NotNil)
c.Assert(err.Error(), checker.Contains, "join token is necessary")
info, err = d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
workerToken = d1.JoinTokens(c).Worker
c.Assert(d2.Join(swarm.JoinRequest{JoinToken: workerToken, RemoteAddrs: []string{d1.ListenAddr}}), checker.IsNil)
info, err = d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
c.Assert(d2.Leave(false), checker.IsNil)
info, err = d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
// change spec, don't change tokens
d1.UpdateSwarm(c, func(s *swarm.Spec) {})
err = d2.Join(swarm.JoinRequest{RemoteAddrs: []string{d1.ListenAddr}})
c.Assert(err, checker.NotNil)
c.Assert(err.Error(), checker.Contains, "join token is necessary")
info, err = d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
c.Assert(d2.Join(swarm.JoinRequest{JoinToken: workerToken, RemoteAddrs: []string{d1.ListenAddr}}), checker.IsNil)
info, err = d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
c.Assert(d2.Leave(false), checker.IsNil)
info, err = d2.SwarmInfo()
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)
splitToken := strings.Split(d1.JoinTokens(c).Worker, "-")
splitToken[2] = "1kxftv4ofnc6mt30lmgipg6ngf9luhwqopfk1tz6bdmnkubg0e"
replacementToken := strings.Join(splitToken, "-")
err := d2.Join(swarm.JoinRequest{JoinToken: replacementToken, RemoteAddrs: []string{d1.ListenAddr}})
c.Assert(err, checker.NotNil)
c.Assert(err.Error(), checker.Contains, "remote CA does not match fingerprint")
}
func (s *DockerSwarmSuite) TestAPISwarmPromoteDemote(c *check.C) {
d1 := s.AddDaemon(c, false, false)
c.Assert(d1.Init(swarm.InitRequest{}), checker.IsNil)
d2 := s.AddDaemon(c, true, false)
info, err := d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.False)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
d1.UpdateNode(c, d2.NodeID, func(n *swarm.Node) {
n.Spec.Role = swarm.NodeRoleManager
})
waitAndAssert(c, defaultReconciliationTimeout, d2.CheckControlAvailable, checker.True)
d1.UpdateNode(c, d2.NodeID, func(n *swarm.Node) {
n.Spec.Role = swarm.NodeRoleWorker
})
waitAndAssert(c, defaultReconciliationTimeout, d2.CheckControlAvailable, checker.False)
// Demoting last node should fail
node := d1.GetNode(c, d1.NodeID)
node.Spec.Role = swarm.NodeRoleWorker
url := fmt.Sprintf("/nodes/%s/update?version=%d", node.ID, node.Version.Index)
status, out, err := d1.SockRequest("POST", url, node.Spec)
c.Assert(err, checker.IsNil)
c.Assert(status, checker.Equals, http.StatusInternalServerError, check.Commentf("output: %q", string(out)))
c.Assert(string(out), checker.Contains, "last manager of the swarm")
info, err = d1.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
c.Assert(info.ControlAvailable, checker.True)
// Promote already demoted node
d1.UpdateNode(c, d2.NodeID, func(n *swarm.Node) {
n.Spec.Role = swarm.NodeRoleManager
})
waitAndAssert(c, defaultReconciliationTimeout, d2.CheckControlAvailable, checker.True)
}
func (s *DockerSwarmSuite) TestAPISwarmLeaderProxy(c *check.C) {
// add three managers, one of these is leader
d1 := s.AddDaemon(c, true, true)
d2 := s.AddDaemon(c, true, true)
d3 := s.AddDaemon(c, true, true)
// start a service by hitting each of the 3 managers
d1.CreateService(c, simpleTestService, func(s *swarm.Service) {
s.Spec.Name = "test1"
})
d2.CreateService(c, simpleTestService, func(s *swarm.Service) {
s.Spec.Name = "test2"
})
d3.CreateService(c, simpleTestService, func(s *swarm.Service) {
s.Spec.Name = "test3"
})
// 3 services should be started now, because the requests were proxied to leader
// query each node and make sure it returns 3 services
for _, d := range []*daemon.Swarm{d1, d2, d3} {
services := d.ListServices(c)
c.Assert(services, checker.HasLen, 3)
}
}
func (s *DockerSwarmSuite) TestAPISwarmLeaderElection(c *check.C) {
// Create 3 nodes
d1 := s.AddDaemon(c, true, true)
d2 := s.AddDaemon(c, true, true)
d3 := s.AddDaemon(c, true, true)
// assert that the first node we made is the leader, and the other two are followers
c.Assert(d1.GetNode(c, d1.NodeID).ManagerStatus.Leader, checker.True)
c.Assert(d1.GetNode(c, d2.NodeID).ManagerStatus.Leader, checker.False)
c.Assert(d1.GetNode(c, d3.NodeID).ManagerStatus.Leader, checker.False)
d1.Stop(c)
var (
leader *daemon.Swarm // keep track of leader
followers []*daemon.Swarm // keep track of followers
)
checkLeader := func(nodes ...*daemon.Swarm) checkF {
return func(c *check.C) (interface{}, check.CommentInterface) {
// clear these out before each run
leader = nil
followers = nil
for _, d := range nodes {
if d.GetNode(c, d.NodeID).ManagerStatus.Leader {
leader = d
} else {
followers = append(followers, d)
}
}
if leader == nil {
return false, check.Commentf("no leader elected")
}
return true, check.Commentf("elected %v", leader.ID())
}
}
// wait for an election to occur
waitAndAssert(c, defaultReconciliationTimeout, checkLeader(d2, d3), checker.True)
// assert that we have a new leader
c.Assert(leader, checker.NotNil)
// Keep track of the current leader, since we want that to be chosen.
stableleader := leader
// add the d1, the initial leader, back
d1.Start(c)
// TODO(stevvooe): may need to wait for rejoin here
// wait for possible election
waitAndAssert(c, defaultReconciliationTimeout, checkLeader(d1, d2, d3), checker.True)
// pick out the leader and the followers again
// verify that we still only have 1 leader and 2 followers
c.Assert(leader, checker.NotNil)
c.Assert(followers, checker.HasLen, 2)
// and that after we added d1 back, the leader hasn't changed
c.Assert(leader.NodeID, checker.Equals, stableleader.NodeID)
}
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)
d2.Stop(c)
// make sure there is a leader
waitAndAssert(c, defaultReconciliationTimeout, d1.CheckLeader, checker.IsNil)
d1.CreateService(c, simpleTestService, func(s *swarm.Service) {
s.Spec.Name = "top1"
})
d3.Stop(c)
// make sure there is a leader
waitAndAssert(c, defaultReconciliationTimeout, d1.CheckLeader, 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)))
d2.Start(c)
// make sure there is a leader
waitAndAssert(c, defaultReconciliationTimeout, d1.CheckLeader, checker.IsNil)
d1.CreateService(c, simpleTestService, func(s *swarm.Service) {
s.Spec.Name = "top3"
})
}
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))
}
// #23629
func (s *DockerSwarmSuite) TestAPISwarmLeaveOnPendingJoin(c *check.C) {
testRequires(c, Network)
s.AddDaemon(c, true, true)
d2 := s.AddDaemon(c, false, false)
id, err := d2.Cmd("run", "-d", "busybox", "top")
c.Assert(err, checker.IsNil)
id = strings.TrimSpace(id)
err = d2.Join(swarm.JoinRequest{
RemoteAddrs: []string{"123.123.123.123:1234"},
})
c.Assert(err, check.NotNil)
c.Assert(err.Error(), checker.Contains, "Timeout was reached")
info, err := d2.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStatePending)
c.Assert(d2.Leave(true), checker.IsNil)
waitAndAssert(c, defaultReconciliationTimeout, d2.CheckActiveContainerCount, checker.Equals, 1)
id2, err := d2.Cmd("ps", "-q")
c.Assert(err, checker.IsNil)
c.Assert(id, checker.HasPrefix, strings.TrimSpace(id2))
}
// #23705
func (s *DockerSwarmSuite) TestAPISwarmRestoreOnPendingJoin(c *check.C) {
testRequires(c, Network)
d := s.AddDaemon(c, false, false)
err := d.Join(swarm.JoinRequest{
RemoteAddrs: []string{"123.123.123.123:1234"},
})
c.Assert(err, check.NotNil)
c.Assert(err.Error(), checker.Contains, "Timeout was reached")
waitAndAssert(c, defaultReconciliationTimeout, d.CheckLocalNodeState, checker.Equals, swarm.LocalNodeStatePending)
d.Stop(c)
d.Start(c)
info, err := d.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
}
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(c)
d1.Start(c)
d1.GetService(c, id)
d2 := s.AddDaemon(c, true, true)
d2.GetService(c, id)
d2.Stop(c)
d2.Start(c)
d2.GetService(c, id)
d3 := s.AddDaemon(c, true, true)
d3.GetService(c, id)
d3.Stop(c)
d3.Start(c)
d3.GetService(c, id)
d3.Kill()
time.Sleep(1 * time.Second) // time to handle signal
d3.Start(c)
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 (s *DockerSwarmSuite) TestAPISwarmInvalidAddress(c *check.C) {
d := s.AddDaemon(c, false, false)
req := swarm.InitRequest{
ListenAddr: "",
}
status, _, err := d.SockRequest("POST", "/swarm/init", req)
c.Assert(err, checker.IsNil)
c.Assert(status, checker.Equals, http.StatusBadRequest)
req2 := swarm.JoinRequest{
ListenAddr: "0.0.0.0:2377",
RemoteAddrs: []string{""},
}
status, _, err = d.SockRequest("POST", "/swarm/join", req2)
c.Assert(err, checker.IsNil)
c.Assert(status, checker.Equals, http.StatusBadRequest)
}
func (s *DockerSwarmSuite) TestAPISwarmForceNewCluster(c *check.C) {
d1 := s.AddDaemon(c, true, true)
d2 := s.AddDaemon(c, true, true)
instances := 2
id := d1.CreateService(c, simpleTestService, setInstances(instances))
waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d2.CheckActiveContainerCount), checker.Equals, instances)
// drain d2, all containers should move to d1
d1.UpdateNode(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)
d2.Stop(c)
c.Assert(d1.Init(swarm.InitRequest{
ForceNewCluster: true,
Spec: swarm.Spec{},
}), checker.IsNil)
waitAndAssert(c, defaultReconciliationTimeout, d1.CheckActiveContainerCount, checker.Equals, instances)
d3 := s.AddDaemon(c, true, true)
info, err := d3.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.True)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
instances = 4
d3.UpdateService(c, d3.GetService(c, id), setInstances(instances))
waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d3.CheckActiveContainerCount), checker.Equals, instances)
}
func simpleTestService(s *swarm.Service) {
ureplicas := uint64(1)
restartDelay := time.Duration(100 * time.Millisecond)
s.Spec = swarm.ServiceSpec{
TaskTemplate: swarm.TaskSpec{
ContainerSpec: swarm.ContainerSpec{
Image: "busybox:latest",
Command: []string{"/bin/top"},
},
RestartPolicy: &swarm.RestartPolicy{
Delay: &restartDelay,
},
},
Mode: swarm.ServiceMode{
Replicated: &swarm.ReplicatedService{
Replicas: &ureplicas,
},
},
}
s.Spec.Name = "top"
}
func serviceForUpdate(s *swarm.Service) {
ureplicas := uint64(1)
restartDelay := time.Duration(100 * time.Millisecond)
s.Spec = swarm.ServiceSpec{
TaskTemplate: swarm.TaskSpec{
ContainerSpec: swarm.ContainerSpec{
Image: "busybox:latest",
Command: []string{"/bin/top"},
},
RestartPolicy: &swarm.RestartPolicy{
Delay: &restartDelay,
},
},
Mode: swarm.ServiceMode{
Replicated: &swarm.ReplicatedService{
Replicas: &ureplicas,
},
},
UpdateConfig: &swarm.UpdateConfig{
Parallelism: 2,
Delay: 4 * time.Second,
FailureAction: swarm.UpdateFailureActionContinue,
},
}
s.Spec.Name = "updatetest"
}
func setInstances(replicas int) daemon.ServiceConstructor {
ureplicas := uint64(replicas)
return func(s *swarm.Service) {
s.Spec.Mode = swarm.ServiceMode{
Replicated: &swarm.ReplicatedService{
Replicas: &ureplicas,
},
}
}
}
func setImage(image string) daemon.ServiceConstructor {
return func(s *swarm.Service) {
s.Spec.TaskTemplate.ContainerSpec.Image = image
}
}
func setFailureAction(failureAction string) daemon.ServiceConstructor {
return func(s *swarm.Service) {
s.Spec.UpdateConfig.FailureAction = failureAction
}
}
func setMaxFailureRatio(maxFailureRatio float32) daemon.ServiceConstructor {
return func(s *swarm.Service) {
s.Spec.UpdateConfig.MaxFailureRatio = maxFailureRatio
}
}
func setParallelism(parallelism uint64) daemon.ServiceConstructor {
return func(s *swarm.Service) {
s.Spec.UpdateConfig.Parallelism = parallelism
}
}
func setConstraints(constraints []string) daemon.ServiceConstructor {
return func(s *swarm.Service) {
if s.Spec.TaskTemplate.Placement == nil {
s.Spec.TaskTemplate.Placement = &swarm.Placement{}
}
s.Spec.TaskTemplate.Placement.Constraints = constraints
}
}
func setGlobalMode(s *swarm.Service) {
s.Spec.Mode = swarm.ServiceMode{
Global: &swarm.GlobalService{},
}
}
func checkClusterHealth(c *check.C, cl []*daemon.Swarm, managerCount, workerCount int) {
var totalMCount, totalWCount int
for _, d := range cl {
var (
info swarm.Info
err error
)
// check info in a waitAndAssert, because if the cluster doesn't have a leader, `info` will return an error
checkInfo := func(c *check.C) (interface{}, check.CommentInterface) {
info, err = d.SwarmInfo()
return err, check.Commentf("cluster not ready in time")
}
waitAndAssert(c, defaultReconciliationTimeout, checkInfo, checker.IsNil)
if !info.ControlAvailable {
totalWCount++
continue
}
var leaderFound bool
totalMCount++
var mCount, wCount int
for _, n := range d.ListNodes(c) {
waitReady := func(c *check.C) (interface{}, check.CommentInterface) {
if n.Status.State == swarm.NodeStateReady {
return true, nil
}
nn := d.GetNode(c, n.ID)
n = *nn
return n.Status.State == swarm.NodeStateReady, check.Commentf("state of node %s, reported by %s", n.ID, d.Info.NodeID)
}
waitAndAssert(c, defaultReconciliationTimeout, waitReady, checker.True)
waitActive := func(c *check.C) (interface{}, check.CommentInterface) {
if n.Spec.Availability == swarm.NodeAvailabilityActive {
return true, nil
}
nn := d.GetNode(c, n.ID)
n = *nn
return n.Spec.Availability == swarm.NodeAvailabilityActive, check.Commentf("availability of node %s, reported by %s", n.ID, d.Info.NodeID)
}
waitAndAssert(c, defaultReconciliationTimeout, waitActive, checker.True)
if n.Spec.Role == swarm.NodeRoleManager {
c.Assert(n.ManagerStatus, checker.NotNil, check.Commentf("manager status of node %s (manager), reported by %s", n.ID, d.Info.NodeID))
if n.ManagerStatus.Leader {
leaderFound = true
}
mCount++
} else {
c.Assert(n.ManagerStatus, checker.IsNil, check.Commentf("manager status of node %s (worker), reported by %s", n.ID, d.Info.NodeID))
wCount++
}
}
c.Assert(leaderFound, checker.True, check.Commentf("lack of leader reported by node %s", info.NodeID))
c.Assert(mCount, checker.Equals, managerCount, check.Commentf("managers count reported by node %s", info.NodeID))
c.Assert(wCount, checker.Equals, workerCount, check.Commentf("workers count reported by node %s", info.NodeID))
}
c.Assert(totalMCount, checker.Equals, managerCount)
c.Assert(totalWCount, checker.Equals, workerCount)
}
func (s *DockerSwarmSuite) TestAPISwarmRestartCluster(c *check.C) {
mCount, wCount := 5, 1
var nodes []*daemon.Swarm
for i := 0; i < mCount; i++ {
manager := s.AddDaemon(c, true, true)
info, err := manager.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.True)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
nodes = append(nodes, manager)
}
for i := 0; i < wCount; i++ {
worker := s.AddDaemon(c, true, false)
info, err := worker.SwarmInfo()
c.Assert(err, checker.IsNil)
c.Assert(info.ControlAvailable, checker.False)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
nodes = append(nodes, worker)
}
// stop whole cluster
{
var wg sync.WaitGroup
wg.Add(len(nodes))
errs := make(chan error, len(nodes))
for _, d := range nodes {
go func(daemon *daemon.Swarm) {
defer wg.Done()
if err := daemon.StopWithError(); err != nil {
errs <- err
}
// FIXME(vdemeester) This is duplicated…
if root := os.Getenv("DOCKER_REMAP_ROOT"); root != "" {
daemon.Root = filepath.Dir(daemon.Root)
}
}(d)
}
wg.Wait()
close(errs)
for err := range errs {
c.Assert(err, check.IsNil)
}
}
// start whole cluster
{
var wg sync.WaitGroup
wg.Add(len(nodes))
errs := make(chan error, len(nodes))
for _, d := range nodes {
go func(daemon *daemon.Swarm) {
defer wg.Done()
if err := daemon.StartWithError("--iptables=false"); err != nil {
errs <- err
}
}(d)
}
wg.Wait()
close(errs)
for err := range errs {
c.Assert(err, check.IsNil)
}
}
checkClusterHealth(c, nodes, mCount, wCount)
}
func (s *DockerSwarmSuite) TestAPISwarmServicesUpdateWithName(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
setInstances(instances)(service)
url := fmt.Sprintf("/services/%s/update?version=%d", service.Spec.Name, service.Version.Index)
status, out, err := d.SockRequest("POST", url, service.Spec)
c.Assert(err, checker.IsNil)
c.Assert(status, checker.Equals, http.StatusOK, check.Commentf("output: %q", string(out)))
waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, instances)
}
// Unlocking an unlocked swarm results in an error
func (s *DockerSwarmSuite) TestAPISwarmUnlockNotLocked(c *check.C) {
d := s.AddDaemon(c, true, true)
err := d.Unlock(swarm.UnlockRequest{UnlockKey: "wrong-key"})
c.Assert(err, checker.NotNil)
c.Assert(err.Error(), checker.Contains, "swarm is not locked")
}
// #29885
func (s *DockerSwarmSuite) TestAPISwarmErrorHandling(c *check.C) {
ln, err := net.Listen("tcp", fmt.Sprintf(":%d", defaultSwarmPort))
c.Assert(err, checker.IsNil)
defer ln.Close()
d := s.AddDaemon(c, false, false)
err = d.Init(swarm.InitRequest{})
c.Assert(err, checker.NotNil)
c.Assert(err.Error(), checker.Contains, "address already in use")
}
// Test case for 30242, where duplicate networks, with different drivers `bridge` and `overlay`,
// caused both scopes to be `swarm` for `docker network inspect` and `docker network ls`.
// This test makes sure the fixes correctly output scopes instead.
func (s *DockerSwarmSuite) TestAPIDuplicateNetworks(c *check.C) {
d := s.AddDaemon(c, true, true)
name := "foo"
networkCreateRequest := types.NetworkCreateRequest{
Name: name,
NetworkCreate: types.NetworkCreate{
CheckDuplicate: false,
},
}
var n1 types.NetworkCreateResponse
networkCreateRequest.NetworkCreate.Driver = "bridge"
status, out, err := d.SockRequest("POST", "/networks/create", networkCreateRequest)
c.Assert(err, checker.IsNil, check.Commentf(string(out)))
c.Assert(status, checker.Equals, http.StatusCreated, check.Commentf(string(out)))
c.Assert(json.Unmarshal(out, &n1), checker.IsNil)
var n2 types.NetworkCreateResponse
networkCreateRequest.NetworkCreate.Driver = "overlay"
status, out, err = d.SockRequest("POST", "/networks/create", networkCreateRequest)
c.Assert(err, checker.IsNil, check.Commentf(string(out)))
c.Assert(status, checker.Equals, http.StatusCreated, check.Commentf(string(out)))
c.Assert(json.Unmarshal(out, &n2), checker.IsNil)
var r1 types.NetworkResource
status, out, err = d.SockRequest("GET", "/networks/"+n1.ID, nil)
c.Assert(err, checker.IsNil, check.Commentf(string(out)))
c.Assert(status, checker.Equals, http.StatusOK, check.Commentf(string(out)))
c.Assert(json.Unmarshal(out, &r1), checker.IsNil)
c.Assert(r1.Scope, checker.Equals, "local")
var r2 types.NetworkResource
status, out, err = d.SockRequest("GET", "/networks/"+n2.ID, nil)
c.Assert(err, checker.IsNil, check.Commentf(string(out)))
c.Assert(status, checker.Equals, http.StatusOK, check.Commentf(string(out)))
c.Assert(json.Unmarshal(out, &r2), checker.IsNil)
c.Assert(r2.Scope, checker.Equals, "swarm")
}
// Test case for 30178
func (s *DockerSwarmSuite) TestAPISwarmHealthcheckNone(c *check.C) {
d := s.AddDaemon(c, true, true)
out, err := d.Cmd("network", "create", "-d", "overlay", "lb")
c.Assert(err, checker.IsNil, check.Commentf(out))
instances := 1
d.CreateService(c, simpleTestService, setInstances(instances), func(s *swarm.Service) {
s.Spec.TaskTemplate.ContainerSpec.Healthcheck = &container.HealthConfig{}
s.Spec.TaskTemplate.Networks = []swarm.NetworkAttachmentConfig{
{Target: "lb"},
}
})
waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, instances)
containers := d.ActiveContainers()
out, err = d.Cmd("exec", containers[0], "ping", "-c1", "-W3", "top")
c.Assert(err, checker.IsNil, check.Commentf(out))
}