mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
575 lines
18 KiB
Go
575 lines
18 KiB
Go
// +build !windows
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package main
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import (
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"net/http"
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"strconv"
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"strings"
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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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// 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.Equals, 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.Equals, 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.Equals, false)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateInactive)
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c.Assert(d2.Join(d1.listenAddr, "", "", 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.Equals, 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.Equals, 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.Equals, 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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s.testAPISwarmManualAcceptance(c, "")
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}
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func (s *DockerSwarmSuite) TestApiSwarmManualAcceptanceSecret(c *check.C) {
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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(map[string]bool{}, secret), checker.IsNil)
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d2 := s.AddDaemon(c, false, false)
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err := d2.Join(d1.listenAddr, "", "", false)
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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, "Timeout reached")
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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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go func() {
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for i := 0; ; i++ {
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info, err := d3.info()
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c.Assert(err, checker.IsNil)
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if info.NodeID != "" {
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d1.updateNode(c, d1.getNode(c, info.NodeID), func(n *swarm.Node) {
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n.Spec.Membership = swarm.NodeMembershipAccepted
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})
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return
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}
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if i >= 10 {
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c.Errorf("could not find nodeID")
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}
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time.Sleep(300 * time.Millisecond)
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}
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}()
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c.Assert(d3.Join(d1.listenAddr, secret, "", false), checker.IsNil)
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}
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func (s *DockerSwarmSuite) TestApiSwarmSecretAcceptance(c *check.C) {
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d1 := s.AddDaemon(c, false, false)
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aa := make(map[string]bool)
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aa["worker"] = true
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c.Assert(d1.Init(aa, "foobar"), checker.IsNil)
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d2 := s.AddDaemon(c, false, false)
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err := d2.Join(d1.listenAddr, "", "", false)
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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(d1.listenAddr, "foobaz", "", false)
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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(d1.listenAddr, "foobar", "", 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.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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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, false, false)
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err := d2.Join(d1.listenAddr, "", "foobar", false)
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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(d1.listenAddr, "", d1.CACertHash, false), checker.IsNil)
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}
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func (s *DockerSwarmSuite) TestApiSwarmPromoteDemote(c *check.C) {
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d1 := s.AddDaemon(c, false, false)
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c.Assert(d1.Init(map[string]bool{"worker": true}, ""), 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.Equals, false)
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c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
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d1.updateNode(c, d1.getNode(c, d2.NodeID), func(n *swarm.Node) {
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n.Spec.Role = swarm.NodeRoleManager
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})
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for i := 0; ; i++ {
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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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if info.ControlAvailable {
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break
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}
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if i > 10 {
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c.Errorf("node did not turn into manager")
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} else {
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break
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}
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time.Sleep(100 * time.Millisecond)
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}
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d1.updateNode(c, d1.getNode(c, d2.NodeID), func(n *swarm.Node) {
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n.Spec.Role = swarm.NodeRoleWorker
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})
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for i := 0; ; i++ {
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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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if !info.ControlAvailable {
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break
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}
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if i > 10 {
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c.Errorf("node did not turn into manager")
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} else {
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break
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}
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time.Sleep(100 * time.Millisecond)
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}
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// todo: test raft qourum stability
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}
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func (s *DockerSwarmSuite) TestApiSwarmServicesCreate(c *check.C) {
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d := s.AddDaemon(c, true, true)
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instances := 2
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id := d.createService(c, simpleTestService, setInstances(instances))
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waitAndAssert(c, defaultReconciliationTimeout, d.checkActiveContainerCount, checker.Equals, instances)
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service := d.getService(c, id)
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instances = 5
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d.updateService(c, service, setInstances(instances))
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waitAndAssert(c, defaultReconciliationTimeout, d.checkActiveContainerCount, checker.Equals, instances)
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d.removeService(c, service.ID)
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waitAndAssert(c, defaultReconciliationTimeout, d.checkActiveContainerCount, checker.Equals, 0)
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}
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func (s *DockerSwarmSuite) TestApiSwarmServicesMultipleAgents(c *check.C) {
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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, true, false)
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d3 := s.AddDaemon(c, true, false)
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time.Sleep(1 * time.Second) // make sure all daemons are ready to accept tasks
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instances := 9
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id := d1.createService(c, simpleTestService, setInstances(instances))
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waitAndAssert(c, defaultReconciliationTimeout, d1.checkActiveContainerCount, checker.GreaterThan, 0)
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waitAndAssert(c, defaultReconciliationTimeout, d2.checkActiveContainerCount, checker.GreaterThan, 0)
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waitAndAssert(c, defaultReconciliationTimeout, d3.checkActiveContainerCount, checker.GreaterThan, 0)
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waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.checkActiveContainerCount, d2.checkActiveContainerCount, d3.checkActiveContainerCount), checker.Equals, instances)
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// reconciliation on d2 node down
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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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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) TestApiSwarmServicesStateReporting(c *check.C) {
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testRequires(c, SameHostDaemon)
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testRequires(c, DaemonIsLinux)
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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, true, true)
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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
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instances := 9
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d1.createService(c, simpleTestService, setInstances(instances))
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waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.checkActiveContainerCount, d2.checkActiveContainerCount, d3.checkActiveContainerCount), checker.Equals, instances)
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getContainers := func() map[string]*SwarmDaemon {
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m := make(map[string]*SwarmDaemon)
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for _, d := range []*SwarmDaemon{d1, d2, d3} {
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for _, id := range d.activeContainers() {
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m[id] = d
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}
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}
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return m
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}
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containers := getContainers()
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c.Assert(containers, checker.HasLen, instances)
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var toRemove string
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for i := range containers {
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toRemove = i
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}
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_, err := containers[toRemove].Cmd("stop", toRemove)
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c.Assert(err, checker.IsNil)
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waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.checkActiveContainerCount, d2.checkActiveContainerCount, d3.checkActiveContainerCount), checker.Equals, instances)
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containers2 := getContainers()
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c.Assert(containers2, checker.HasLen, instances)
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for i := range containers {
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if i == toRemove {
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c.Assert(containers2[i], checker.IsNil)
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} else {
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c.Assert(containers2[i], checker.NotNil)
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}
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}
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containers = containers2
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for i := range containers {
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toRemove = i
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}
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// try with killing process outside of docker
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pidStr, err := containers[toRemove].Cmd("inspect", "-f", "{{.State.Pid}}", toRemove)
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c.Assert(err, checker.IsNil)
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pid, err := strconv.Atoi(strings.TrimSpace(pidStr))
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c.Assert(err, checker.IsNil)
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c.Assert(syscall.Kill(pid, syscall.SIGKILL), checker.IsNil)
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time.Sleep(time.Second) // give some time to handle the signal
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waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.checkActiveContainerCount, d2.checkActiveContainerCount, d3.checkActiveContainerCount), checker.Equals, instances)
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containers2 = getContainers()
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c.Assert(containers2, checker.HasLen, instances)
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for i := range containers {
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if i == toRemove {
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c.Assert(containers2[i], checker.IsNil)
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} else {
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c.Assert(containers2[i], checker.NotNil)
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}
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}
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}
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func (s *DockerSwarmSuite) TestApiSwarmRaftQuorum(c *check.C) {
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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, true, true)
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d3 := s.AddDaemon(c, true, true)
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d1.createService(c, simpleTestService)
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c.Assert(d2.Stop(), checker.IsNil)
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d1.createService(c, simpleTestService, func(s *swarm.Service) {
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s.Spec.Name = "top1"
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})
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c.Assert(d3.Stop(), checker.IsNil)
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var service swarm.Service
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simpleTestService(&service)
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service.Spec.Name = "top2"
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status, out, err := d1.SockRequest("POST", "/services/create", service.Spec)
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c.Assert(err, checker.IsNil)
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c.Assert(status, checker.Equals, http.StatusInternalServerError, check.Commentf("deadline exceeded", string(out)))
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c.Assert(d2.Start(), checker.IsNil)
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d1.createService(c, simpleTestService, func(s *swarm.Service) {
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s.Spec.Name = "top3"
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})
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}
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func (s *DockerSwarmSuite) TestApiSwarmListNodes(c *check.C) {
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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, true, false)
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d3 := s.AddDaemon(c, true, false)
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nodes := d1.listNodes(c)
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c.Assert(len(nodes), checker.Equals, 3, check.Commentf("nodes: %#v", nodes))
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loop0:
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for _, n := range nodes {
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for _, d := range []*SwarmDaemon{d1, d2, d3} {
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if n.ID == d.NodeID {
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continue loop0
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}
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}
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c.Errorf("unknown nodeID %v", n.ID)
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}
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}
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func (s *DockerSwarmSuite) TestApiSwarmNodeUpdate(c *check.C) {
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d := s.AddDaemon(c, true, true)
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nodes := d.listNodes(c)
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d.updateNode(c, d.getNode(c, nodes[0].ID), func(n *swarm.Node) {
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n.Spec.Availability = swarm.NodeAvailabilityPause
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})
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n := d.getNode(c, nodes[0].ID)
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c.Assert(n.Spec.Availability, checker.Equals, swarm.NodeAvailabilityPause)
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}
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func (s *DockerSwarmSuite) TestApiSwarmNodeDrainPause(c *check.C) {
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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, true, false)
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time.Sleep(1 * time.Second) // make sure all daemons are ready to accept tasks
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// start a service, expect balanced distribution
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instances := 8
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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, reducedCheck(sumAsIntegers, d1.checkActiveContainerCount, d2.checkActiveContainerCount), checker.Equals, instances)
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// drain d2, all containers should move to d1
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d1.updateNode(c, d1.getNode(c, d2.NodeID), func(n *swarm.Node) {
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n.Spec.Availability = swarm.NodeAvailabilityDrain
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})
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waitAndAssert(c, defaultReconciliationTimeout, d1.checkActiveContainerCount, checker.Equals, instances)
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waitAndAssert(c, defaultReconciliationTimeout, d2.checkActiveContainerCount, checker.Equals, 0)
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// set d2 back to active
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d1.updateNode(c, d1.getNode(c, d2.NodeID), func(n *swarm.Node) {
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n.Spec.Availability = swarm.NodeAvailabilityActive
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})
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// change environment variable, resulting balanced rescheduling
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d1.updateService(c, d1.getService(c, id), func(s *swarm.Service) {
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s.Spec.TaskTemplate.ContainerSpec.Env = []string{"FOO=BAR"}
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s.Spec.UpdateConfig = &swarm.UpdateConfig{
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Parallelism: 2,
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Delay: 250 * time.Millisecond,
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}
|
|
})
|
|
|
|
// 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
|
|
})
|
|
|
|
c.Skip("known flakiness with scaling up from this state")
|
|
|
|
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{},
|
|
}
|
|
}
|