1029 lines
33 KiB
Go
1029 lines
33 KiB
Go
// +build !windows
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package main
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import (
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"fmt"
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"net/http"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"sync"
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"syscall"
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"time"
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"github.com/docker/docker/pkg/integration/checker"
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"github.com/docker/engine-api/types/swarm"
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"github.com/go-check/check"
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)
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var defaultReconciliationTimeout = 30 * time.Second
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func (s *DockerSwarmSuite) TestApiSwarmInit(c *check.C) {
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testRequires(c, Network)
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// todo: should find a better way to verify that components are running than /info
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d1 := s.AddDaemon(c, true, true)
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info, err := d1.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.ControlAvailable, checker.True)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
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d2 := s.AddDaemon(c, true, false)
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.ControlAvailable, checker.False)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
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// Leaving cluster
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c.Assert(d2.Leave(false), checker.IsNil)
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.ControlAvailable, checker.False)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
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c.Assert(d2.Join(swarm.JoinRequest{RemoteAddrs: []string{d1.listenAddr}}), checker.IsNil)
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.ControlAvailable, checker.False)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
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// Current state restoring after restarts
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err = d1.Stop()
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c.Assert(err, checker.IsNil)
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err = d2.Stop()
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c.Assert(err, checker.IsNil)
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err = d1.Start()
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c.Assert(err, checker.IsNil)
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err = d2.Start()
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c.Assert(err, checker.IsNil)
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info, err = d1.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.ControlAvailable, checker.True)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.ControlAvailable, checker.False)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
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}
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func (s *DockerSwarmSuite) TestApiSwarmManualAcceptance(c *check.C) {
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testRequires(c, Network)
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s.testAPISwarmManualAcceptance(c, "")
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}
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func (s *DockerSwarmSuite) TestApiSwarmManualAcceptanceSecret(c *check.C) {
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testRequires(c, Network)
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s.testAPISwarmManualAcceptance(c, "foobaz")
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}
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func (s *DockerSwarmSuite) testAPISwarmManualAcceptance(c *check.C, secret string) {
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d1 := s.AddDaemon(c, false, false)
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c.Assert(d1.Init(swarm.InitRequest{
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Spec: swarm.Spec{
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AcceptancePolicy: swarm.AcceptancePolicy{
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Policies: []swarm.Policy{
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{Role: swarm.NodeRoleWorker, Secret: &secret},
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{Role: swarm.NodeRoleManager, Secret: &secret},
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},
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},
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},
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}), checker.IsNil)
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d2 := s.AddDaemon(c, false, false)
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err := d2.Join(swarm.JoinRequest{RemoteAddrs: []string{d1.listenAddr}})
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c.Assert(err, checker.NotNil)
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if secret == "" {
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c.Assert(err.Error(), checker.Contains, "needs to be accepted")
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info, err := d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStatePending)
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c.Assert(d2.Leave(false), checker.IsNil)
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
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} else {
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c.Assert(err.Error(), checker.Contains, "valid secret token is necessary")
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info, err := d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
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}
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d3 := s.AddDaemon(c, false, false)
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c.Assert(d3.Join(swarm.JoinRequest{Secret: secret, RemoteAddrs: []string{d1.listenAddr}}), checker.NotNil)
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info, err := d3.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStatePending)
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c.Assert(len(info.NodeID), checker.GreaterThan, 5)
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d1.updateNode(c, info.NodeID, func(n *swarm.Node) {
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n.Spec.Membership = swarm.NodeMembershipAccepted
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})
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waitAndAssert(c, defaultReconciliationTimeout, d3.checkLocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
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}
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func (s *DockerSwarmSuite) TestApiSwarmSecretAcceptance(c *check.C) {
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testRequires(c, Network)
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d1 := s.AddDaemon(c, false, false)
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secret := "foobar"
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c.Assert(d1.Init(swarm.InitRequest{
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Spec: swarm.Spec{
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AcceptancePolicy: swarm.AcceptancePolicy{
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Policies: []swarm.Policy{
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{Role: swarm.NodeRoleWorker, Autoaccept: true, Secret: &secret},
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{Role: swarm.NodeRoleManager, Secret: &secret},
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},
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},
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},
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}), checker.IsNil)
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d2 := s.AddDaemon(c, false, false)
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err := d2.Join(swarm.JoinRequest{RemoteAddrs: []string{d1.listenAddr}})
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c.Assert(err, checker.NotNil)
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c.Assert(err.Error(), checker.Contains, "secret token is necessary")
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info, err := d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
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err = d2.Join(swarm.JoinRequest{Secret: "foobaz", RemoteAddrs: []string{d1.listenAddr}})
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c.Assert(err, checker.NotNil)
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c.Assert(err.Error(), checker.Contains, "secret token is necessary")
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
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c.Assert(d2.Join(swarm.JoinRequest{Secret: "foobar", RemoteAddrs: []string{d1.listenAddr}}), checker.IsNil)
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
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c.Assert(d2.Leave(false), checker.IsNil)
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
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// change secret
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d1.updateSwarm(c, func(s *swarm.Spec) {
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for i := range s.AcceptancePolicy.Policies {
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p := "foobaz"
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s.AcceptancePolicy.Policies[i].Secret = &p
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}
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})
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err = d2.Join(swarm.JoinRequest{Secret: "foobar", RemoteAddrs: []string{d1.listenAddr}})
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c.Assert(err, checker.NotNil)
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c.Assert(err.Error(), checker.Contains, "secret token is necessary")
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
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c.Assert(d2.Join(swarm.JoinRequest{Secret: "foobaz", RemoteAddrs: []string{d1.listenAddr}}), checker.IsNil)
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
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c.Assert(d2.Leave(false), checker.IsNil)
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
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// change policy, don't change secret
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d1.updateSwarm(c, func(s *swarm.Spec) {
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for i, p := range s.AcceptancePolicy.Policies {
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if p.Role == swarm.NodeRoleManager {
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s.AcceptancePolicy.Policies[i].Autoaccept = false
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}
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s.AcceptancePolicy.Policies[i].Secret = nil
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}
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})
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err = d2.Join(swarm.JoinRequest{RemoteAddrs: []string{d1.listenAddr}})
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c.Assert(err, checker.NotNil)
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c.Assert(err.Error(), checker.Contains, "secret token is necessary")
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
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c.Assert(d2.Join(swarm.JoinRequest{Secret: "foobaz", RemoteAddrs: []string{d1.listenAddr}}), checker.IsNil)
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
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c.Assert(d2.Leave(false), checker.IsNil)
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
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// clear secret
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d1.updateSwarm(c, func(s *swarm.Spec) {
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for i := range s.AcceptancePolicy.Policies {
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p := ""
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s.AcceptancePolicy.Policies[i].Secret = &p
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}
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})
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c.Assert(d2.Join(swarm.JoinRequest{RemoteAddrs: []string{d1.listenAddr}}), checker.IsNil)
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
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c.Assert(d2.Leave(false), checker.IsNil)
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info, err = d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
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}
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func (s *DockerSwarmSuite) TestApiSwarmCAHash(c *check.C) {
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testRequires(c, Network)
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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, false, false)
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err := d2.Join(swarm.JoinRequest{CACertHash: "foobar", RemoteAddrs: []string{d1.listenAddr}})
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c.Assert(err, checker.NotNil)
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c.Assert(err.Error(), checker.Contains, "invalid checksum digest format")
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c.Assert(len(d1.CACertHash), checker.GreaterThan, 0)
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c.Assert(d2.Join(swarm.JoinRequest{CACertHash: d1.CACertHash, RemoteAddrs: []string{d1.listenAddr}}), checker.IsNil)
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}
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func (s *DockerSwarmSuite) TestApiSwarmPromoteDemote(c *check.C) {
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testRequires(c, Network)
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d1 := s.AddDaemon(c, false, false)
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c.Assert(d1.Init(swarm.InitRequest{
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Spec: swarm.Spec{
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AcceptancePolicy: swarm.AcceptancePolicy{
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Policies: []swarm.Policy{
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{Role: swarm.NodeRoleWorker, Autoaccept: true},
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{Role: swarm.NodeRoleManager},
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},
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},
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},
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}), checker.IsNil)
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d2 := s.AddDaemon(c, true, false)
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info, err := d2.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.ControlAvailable, checker.False)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
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d1.updateNode(c, d2.NodeID, func(n *swarm.Node) {
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n.Spec.Role = swarm.NodeRoleManager
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})
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waitAndAssert(c, defaultReconciliationTimeout, d2.checkControlAvailable, checker.True)
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d1.updateNode(c, d2.NodeID, func(n *swarm.Node) {
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n.Spec.Role = swarm.NodeRoleWorker
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})
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waitAndAssert(c, defaultReconciliationTimeout, d2.checkControlAvailable, checker.False)
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// Demoting last node should fail
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node := d1.getNode(c, d1.NodeID)
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node.Spec.Role = swarm.NodeRoleWorker
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url := fmt.Sprintf("/nodes/%s/update?version=%d", node.ID, node.Version.Index)
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status, out, err := d1.SockRequest("POST", url, node.Spec)
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c.Assert(err, checker.IsNil)
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c.Assert(status, checker.Equals, http.StatusInternalServerError, check.Commentf("output: %q", string(out)))
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c.Assert(string(out), checker.Contains, "last manager of the swarm")
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info, err = d1.info()
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c.Assert(err, checker.IsNil)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
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c.Assert(info.ControlAvailable, checker.True)
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// Promote already demoted node
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d1.updateNode(c, d2.NodeID, func(n *swarm.Node) {
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n.Spec.Role = swarm.NodeRoleManager
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})
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waitAndAssert(c, defaultReconciliationTimeout, d2.checkControlAvailable, checker.True)
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}
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func (s *DockerSwarmSuite) TestApiSwarmServicesEmptyList(c *check.C) {
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testRequires(c, Network)
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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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testRequires(c, Network)
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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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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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testRequires(c, Network)
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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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c.Assert(d2.Stop(), checker.IsNil)
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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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testRequires(c, Network)
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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]*SwarmDaemon
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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(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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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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}
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func (s *DockerSwarmSuite) TestApiSwarmServicesStateReporting(c *check.C) {
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testRequires(c, Network)
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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) 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 []*SwarmDaemon{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)
|
|
|
|
leader := d1
|
|
|
|
// stop the leader
|
|
leader.Stop()
|
|
|
|
// wait for an election to occur
|
|
var newleader *SwarmDaemon
|
|
|
|
for _, d := range []*SwarmDaemon{d2, d3} {
|
|
if d.getNode(c, d.NodeID).ManagerStatus.Leader {
|
|
newleader = d
|
|
break
|
|
}
|
|
}
|
|
|
|
// assert that we have a new leader
|
|
c.Assert(newleader, checker.NotNil)
|
|
|
|
// add the old leader back
|
|
leader.Start()
|
|
|
|
// clear leader and reinit the followers list
|
|
followers := make([]*SwarmDaemon, 0, 3)
|
|
|
|
// pick out the leader and the followers again
|
|
for _, d := range []*SwarmDaemon{d1, d2, d3} {
|
|
if d1.getNode(c, d.NodeID).ManagerStatus.Leader {
|
|
leader = d
|
|
} else {
|
|
followers = append(followers, d)
|
|
}
|
|
}
|
|
|
|
// 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, newleader.NodeID)
|
|
}
|
|
|
|
func (s *DockerSwarmSuite) TestApiSwarmRaftQuorum(c *check.C) {
|
|
testRequires(c, Network)
|
|
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) {
|
|
testRequires(c, Network)
|
|
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) {
|
|
testRequires(c, Network)
|
|
d := s.AddDaemon(c, true, true)
|
|
|
|
nodes := d.listNodes(c)
|
|
|
|
d.updateNode(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) {
|
|
testRequires(c, Network)
|
|
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, 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, 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, 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) {
|
|
testRequires(c, Network)
|
|
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) {
|
|
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)
|
|
|
|
go d2.Join(swarm.JoinRequest{
|
|
RemoteAddrs: []string{"nosuchhost:1234"},
|
|
}) // will block on pending state
|
|
|
|
waitAndAssert(c, defaultReconciliationTimeout, d2.checkLocalNodeState, 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) {
|
|
d := s.AddDaemon(c, false, false)
|
|
go d.Join(swarm.JoinRequest{
|
|
RemoteAddrs: []string{"nosuchhost:1234"},
|
|
}) // will block on pending state
|
|
|
|
waitAndAssert(c, defaultReconciliationTimeout, d.checkLocalNodeState, checker.Equals, swarm.LocalNodeStatePending)
|
|
|
|
c.Assert(d.Stop(), checker.IsNil)
|
|
c.Assert(d.Start(), checker.IsNil)
|
|
|
|
info, err := d.info()
|
|
c.Assert(err, checker.IsNil)
|
|
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
|
|
}
|
|
|
|
func (s *DockerSwarmSuite) TestApiSwarmManagerRestore(c *check.C) {
|
|
testRequires(c, Network)
|
|
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) {
|
|
testRequires(c, Network)
|
|
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.StatusInternalServerError)
|
|
|
|
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.StatusInternalServerError)
|
|
}
|
|
|
|
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)
|
|
|
|
c.Assert(d2.Stop(), checker.IsNil)
|
|
|
|
time.Sleep(5 * time.Second)
|
|
|
|
c.Assert(d1.Init(swarm.InitRequest{
|
|
ForceNewCluster: true,
|
|
Spec: swarm.Spec{
|
|
AcceptancePolicy: autoAcceptPolicy,
|
|
},
|
|
}), checker.IsNil)
|
|
|
|
waitAndAssert(c, defaultReconciliationTimeout, d1.checkActiveContainerCount, checker.Equals, instances)
|
|
|
|
d3 := s.AddDaemon(c, true, true)
|
|
info, err := d3.info()
|
|
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) {
|
|
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 serviceForUpdate(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,
|
|
},
|
|
},
|
|
UpdateConfig: &swarm.UpdateConfig{
|
|
Parallelism: 2,
|
|
Delay: 8 * time.Second,
|
|
},
|
|
}
|
|
s.Spec.Name = "updatetest"
|
|
}
|
|
|
|
func setInstances(replicas int) serviceConstructor {
|
|
ureplicas := uint64(replicas)
|
|
return func(s *swarm.Service) {
|
|
s.Spec.Mode = swarm.ServiceMode{
|
|
Replicated: &swarm.ReplicatedService{
|
|
Replicas: &ureplicas,
|
|
},
|
|
}
|
|
}
|
|
}
|
|
|
|
func setImage(image string) serviceConstructor {
|
|
return func(s *swarm.Service) {
|
|
s.Spec.TaskTemplate.ContainerSpec.Image = image
|
|
}
|
|
}
|
|
|
|
func setGlobalMode(s *swarm.Service) {
|
|
s.Spec.Mode = swarm.ServiceMode{
|
|
Global: &swarm.GlobalService{},
|
|
}
|
|
}
|
|
|
|
func checkClusterHealth(c *check.C, cl []*SwarmDaemon, managerCount, workerCount int) {
|
|
var totalMCount, totalWCount int
|
|
for _, d := range cl {
|
|
info, err := d.info()
|
|
c.Assert(err, check.IsNil)
|
|
if !info.ControlAvailable {
|
|
totalWCount++
|
|
continue
|
|
}
|
|
var leaderFound bool
|
|
totalMCount++
|
|
var mCount, wCount int
|
|
for _, n := range d.listNodes(c) {
|
|
c.Assert(n.Status.State, checker.Equals, swarm.NodeStateReady, check.Commentf("state of node %s, reported by %s", n.ID, d.Info.NodeID))
|
|
c.Assert(n.Spec.Availability, checker.Equals, swarm.NodeAvailabilityActive, check.Commentf("availability of node %s, reported by %s", n.ID, d.Info.NodeID))
|
|
c.Assert(n.Spec.Membership, checker.Equals, swarm.NodeMembershipAccepted, check.Commentf("membership of node %s, reported by %s", n.ID, d.Info.NodeID))
|
|
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 []*SwarmDaemon
|
|
for i := 0; i < mCount; i++ {
|
|
manager := s.AddDaemon(c, true, true)
|
|
info, err := manager.info()
|
|
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.info()
|
|
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 *SwarmDaemon) {
|
|
defer wg.Done()
|
|
if err := daemon.Stop(); err != nil {
|
|
errs <- err
|
|
}
|
|
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 *SwarmDaemon) {
|
|
defer wg.Done()
|
|
if err := daemon.Start("--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)
|
|
}
|