// +build !windows package main import ( "bytes" "context" "encoding/json" "encoding/pem" "fmt" "io/ioutil" "net/http" "net/http/httptest" "os" "path/filepath" "runtime" "strings" "time" "github.com/cloudflare/cfssl/helpers" "github.com/docker/docker/api/types" "github.com/docker/docker/api/types/swarm" "github.com/docker/docker/integration-cli/checker" "github.com/docker/docker/integration-cli/cli" "github.com/docker/docker/integration-cli/daemon" "github.com/docker/libnetwork/driverapi" "github.com/docker/libnetwork/ipamapi" remoteipam "github.com/docker/libnetwork/ipams/remote/api" "github.com/docker/swarmkit/ca/keyutils" "github.com/go-check/check" "github.com/vishvananda/netlink" "gotest.tools/assert" "gotest.tools/fs" "gotest.tools/icmd" ) func (s *DockerSwarmSuite) TestSwarmUpdate(c *check.C) { d := s.AddDaemon(c, true, true) getSpec := func() swarm.Spec { sw := d.GetSwarm(c) return sw.Spec } out, err := d.Cmd("swarm", "update", "--cert-expiry", "30h", "--dispatcher-heartbeat", "11s") assert.NilError(c, err, out) spec := getSpec() c.Assert(spec.CAConfig.NodeCertExpiry, checker.Equals, 30*time.Hour) c.Assert(spec.Dispatcher.HeartbeatPeriod, checker.Equals, 11*time.Second) // setting anything under 30m for cert-expiry is not allowed out, err = d.Cmd("swarm", "update", "--cert-expiry", "15m") assert.ErrorContains(c, err, "") c.Assert(out, checker.Contains, "minimum certificate expiry time") spec = getSpec() c.Assert(spec.CAConfig.NodeCertExpiry, checker.Equals, 30*time.Hour) // passing an external CA (this is without starting a root rotation) does not fail cli.Docker(cli.Args("swarm", "update", "--external-ca", "protocol=cfssl,url=https://something.org", "--external-ca", "protocol=cfssl,url=https://somethingelse.org,cacert=fixtures/https/ca.pem"), cli.Daemon(d)).Assert(c, icmd.Success) expected, err := ioutil.ReadFile("fixtures/https/ca.pem") assert.NilError(c, err) spec = getSpec() c.Assert(spec.CAConfig.ExternalCAs, checker.HasLen, 2) c.Assert(spec.CAConfig.ExternalCAs[0].CACert, checker.Equals, "") c.Assert(spec.CAConfig.ExternalCAs[1].CACert, checker.Equals, string(expected)) // passing an invalid external CA fails tempFile := fs.NewFile(c, "testfile", fs.WithContent("fakecert")) defer tempFile.Remove() result := cli.Docker(cli.Args("swarm", "update", "--external-ca", fmt.Sprintf("protocol=cfssl,url=https://something.org,cacert=%s", tempFile.Path())), cli.Daemon(d)) result.Assert(c, icmd.Expected{ ExitCode: 125, Err: "must be in PEM format", }) } func (s *DockerSwarmSuite) TestSwarmInit(c *check.C) { d := s.AddDaemon(c, false, false) getSpec := func() swarm.Spec { sw := d.GetSwarm(c) return sw.Spec } // passing an invalid external CA fails tempFile := fs.NewFile(c, "testfile", fs.WithContent("fakecert")) defer tempFile.Remove() result := cli.Docker(cli.Args("swarm", "init", "--cert-expiry", "30h", "--dispatcher-heartbeat", "11s", "--external-ca", fmt.Sprintf("protocol=cfssl,url=https://somethingelse.org,cacert=%s", tempFile.Path())), cli.Daemon(d)) result.Assert(c, icmd.Expected{ ExitCode: 125, Err: "must be in PEM format", }) cli.Docker(cli.Args("swarm", "init", "--cert-expiry", "30h", "--dispatcher-heartbeat", "11s", "--external-ca", "protocol=cfssl,url=https://something.org", "--external-ca", "protocol=cfssl,url=https://somethingelse.org,cacert=fixtures/https/ca.pem"), cli.Daemon(d)).Assert(c, icmd.Success) expected, err := ioutil.ReadFile("fixtures/https/ca.pem") assert.NilError(c, err) spec := getSpec() c.Assert(spec.CAConfig.NodeCertExpiry, checker.Equals, 30*time.Hour) c.Assert(spec.Dispatcher.HeartbeatPeriod, checker.Equals, 11*time.Second) c.Assert(spec.CAConfig.ExternalCAs, checker.HasLen, 2) c.Assert(spec.CAConfig.ExternalCAs[0].CACert, checker.Equals, "") c.Assert(spec.CAConfig.ExternalCAs[1].CACert, checker.Equals, string(expected)) c.Assert(d.SwarmLeave(c, true), checker.IsNil) cli.Docker(cli.Args("swarm", "init"), cli.Daemon(d)).Assert(c, icmd.Success) spec = getSpec() c.Assert(spec.CAConfig.NodeCertExpiry, checker.Equals, 90*24*time.Hour) c.Assert(spec.Dispatcher.HeartbeatPeriod, checker.Equals, 5*time.Second) } func (s *DockerSwarmSuite) TestSwarmInitIPv6(c *check.C) { testRequires(c, IPv6) d1 := s.AddDaemon(c, false, false) cli.Docker(cli.Args("swarm", "init", "--listen-add", "::1"), cli.Daemon(d1)).Assert(c, icmd.Success) d2 := s.AddDaemon(c, false, false) cli.Docker(cli.Args("swarm", "join", "::1"), cli.Daemon(d2)).Assert(c, icmd.Success) out := cli.Docker(cli.Args("info"), cli.Daemon(d2)).Assert(c, icmd.Success).Combined() c.Assert(out, checker.Contains, "Swarm: active") } func (s *DockerSwarmSuite) TestSwarmInitUnspecifiedAdvertiseAddr(c *check.C) { d := s.AddDaemon(c, false, false) out, err := d.Cmd("swarm", "init", "--advertise-addr", "0.0.0.0") assert.ErrorContains(c, err, "") c.Assert(out, checker.Contains, "advertise address must be a non-zero IP address") } func (s *DockerSwarmSuite) TestSwarmIncompatibleDaemon(c *check.C) { // init swarm mode and stop a daemon d := s.AddDaemon(c, true, true) info := d.SwarmInfo(c) assert.Equal(c, info.LocalNodeState, swarm.LocalNodeStateActive) d.Stop(c) // start a daemon with --cluster-store and --cluster-advertise err := d.StartWithError("--cluster-store=consul://consuladdr:consulport/some/path", "--cluster-advertise=1.1.1.1:2375") assert.ErrorContains(c, err, "") content, err := d.ReadLogFile() assert.NilError(c, err) c.Assert(string(content), checker.Contains, "--cluster-store and --cluster-advertise daemon configurations are incompatible with swarm mode") // start a daemon with --live-restore err = d.StartWithError("--live-restore") assert.ErrorContains(c, err, "") content, err = d.ReadLogFile() assert.NilError(c, err) c.Assert(string(content), checker.Contains, "--live-restore daemon configuration is incompatible with swarm mode") // restart for teardown d.StartNode(c) } func (s *DockerSwarmSuite) TestSwarmServiceTemplatingHostname(c *check.C) { d := s.AddDaemon(c, true, true) hostname, err := d.Cmd("node", "inspect", "--format", "{{.Description.Hostname}}", "self") c.Assert(err, checker.IsNil, check.Commentf("%s", hostname)) out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", "test", "--hostname", "{{.Service.Name}}-{{.Task.Slot}}-{{.Node.Hostname}}", "busybox", "top") assert.NilError(c, err, out) // make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 1) containers := d.ActiveContainers(c) out, err = d.Cmd("inspect", "--type", "container", "--format", "{{.Config.Hostname}}", containers[0]) assert.NilError(c, err, out) c.Assert(strings.Split(out, "\n")[0], checker.Equals, "test-1-"+strings.Split(hostname, "\n")[0], check.Commentf("hostname with templating invalid")) } // Test case for #24270 func (s *DockerSwarmSuite) TestSwarmServiceListFilter(c *check.C) { d := s.AddDaemon(c, true, true) name1 := "redis-cluster-md5" name2 := "redis-cluster" name3 := "other-cluster" out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name1, "busybox", "top") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") out, err = d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name2, "busybox", "top") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") out, err = d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name3, "busybox", "top") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") filter1 := "name=redis-cluster-md5" filter2 := "name=redis-cluster" // We search checker.Contains with `name+" "` to prevent prefix only. out, err = d.Cmd("service", "ls", "--filter", filter1) assert.NilError(c, err, out) c.Assert(out, checker.Contains, name1+" ") c.Assert(out, checker.Not(checker.Contains), name2+" ") c.Assert(out, checker.Not(checker.Contains), name3+" ") out, err = d.Cmd("service", "ls", "--filter", filter2) assert.NilError(c, err, out) c.Assert(out, checker.Contains, name1+" ") c.Assert(out, checker.Contains, name2+" ") c.Assert(out, checker.Not(checker.Contains), name3+" ") out, err = d.Cmd("service", "ls") assert.NilError(c, err, out) c.Assert(out, checker.Contains, name1+" ") c.Assert(out, checker.Contains, name2+" ") c.Assert(out, checker.Contains, name3+" ") } func (s *DockerSwarmSuite) TestSwarmNodeListFilter(c *check.C) { d := s.AddDaemon(c, true, true) out, err := d.Cmd("node", "inspect", "--format", "{{ .Description.Hostname }}", "self") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") name := strings.TrimSpace(out) filter := "name=" + name[:4] out, err = d.Cmd("node", "ls", "--filter", filter) assert.NilError(c, err, out) c.Assert(out, checker.Contains, name) out, err = d.Cmd("node", "ls", "--filter", "name=none") assert.NilError(c, err, out) c.Assert(out, checker.Not(checker.Contains), name) } func (s *DockerSwarmSuite) TestSwarmNodeTaskListFilter(c *check.C) { d := s.AddDaemon(c, true, true) name := "redis-cluster-md5" out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name, "--replicas=3", "busybox", "top") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") // make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 3) filter := "name=redis-cluster" out, err = d.Cmd("node", "ps", "--filter", filter, "self") assert.NilError(c, err, out) c.Assert(out, checker.Contains, name+".1") c.Assert(out, checker.Contains, name+".2") c.Assert(out, checker.Contains, name+".3") out, err = d.Cmd("node", "ps", "--filter", "name=none", "self") assert.NilError(c, err, out) c.Assert(out, checker.Not(checker.Contains), name+".1") c.Assert(out, checker.Not(checker.Contains), name+".2") c.Assert(out, checker.Not(checker.Contains), name+".3") } // Test case for #25375 func (s *DockerSwarmSuite) TestSwarmPublishAdd(c *check.C) { d := s.AddDaemon(c, true, true) name := "top" out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name, "--label", "x=y", "busybox", "top") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") out, err = d.Cmd("service", "update", "--detach", "--publish-add", "80:80", name) assert.NilError(c, err, out) out, err = d.Cmd("service", "update", "--detach", "--publish-add", "80:80", name) assert.NilError(c, err, out) _, err = d.Cmd("service", "update", "--detach", "--publish-add", "80:80", "--publish-add", "80:20", name) assert.ErrorContains(c, err, "") out, err = d.Cmd("service", "inspect", "--format", "{{ .Spec.EndpointSpec.Ports }}", name) assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), "[{ tcp 80 80 ingress}]") } func (s *DockerSwarmSuite) TestSwarmServiceWithGroup(c *check.C) { d := s.AddDaemon(c, true, true) name := "top" out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name, "--user", "root:root", "--group", "wheel", "--group", "audio", "--group", "staff", "--group", "777", "busybox", "top") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") // make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 1) out, err = d.Cmd("ps", "-q") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") container := strings.TrimSpace(out) out, err = d.Cmd("exec", container, "id") assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), "uid=0(root) gid=0(root) groups=10(wheel),29(audio),50(staff),777") } func (s *DockerSwarmSuite) TestSwarmContainerAutoStart(c *check.C) { d := s.AddDaemon(c, true, true) out, err := d.Cmd("network", "create", "--attachable", "-d", "overlay", "foo") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") out, err = d.Cmd("run", "-id", "--restart=always", "--net=foo", "--name=test", "busybox", "top") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") out, err = d.Cmd("ps", "-q") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") d.RestartNode(c) out, err = d.Cmd("ps", "-q") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") } func (s *DockerSwarmSuite) TestSwarmContainerEndpointOptions(c *check.C) { d := s.AddDaemon(c, true, true) out, err := d.Cmd("network", "create", "--attachable", "-d", "overlay", "foo") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") out, err = d.Cmd("run", "-d", "--net=foo", "--name=first", "--net-alias=first-alias", "busybox:glibc", "top") assert.NilError(c, err, out) out, err = d.Cmd("run", "-d", "--net=foo", "--name=second", "busybox:glibc", "top") assert.NilError(c, err, out) out, err = d.Cmd("run", "-d", "--net=foo", "--net-alias=third-alias", "busybox:glibc", "top") assert.NilError(c, err, out) // ping first container and its alias, also ping third and anonymous container by its alias out, err = d.Cmd("exec", "second", "ping", "-c", "1", "first") assert.NilError(c, err, out) out, err = d.Cmd("exec", "second", "ping", "-c", "1", "first-alias") assert.NilError(c, err, out) out, err = d.Cmd("exec", "second", "ping", "-c", "1", "third-alias") assert.NilError(c, err, out) } func (s *DockerSwarmSuite) TestSwarmContainerAttachByNetworkId(c *check.C) { d := s.AddDaemon(c, true, true) out, err := d.Cmd("network", "create", "--attachable", "-d", "overlay", "testnet") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") networkID := strings.TrimSpace(out) out, err = d.Cmd("run", "-d", "--net", networkID, "busybox", "top") assert.NilError(c, err, out) cID := strings.TrimSpace(out) d.WaitRun(cID) out, err = d.Cmd("rm", "-f", cID) assert.NilError(c, err, out) out, err = d.Cmd("network", "rm", "testnet") assert.NilError(c, err, out) checkNetwork := func(*check.C) (interface{}, check.CommentInterface) { out, err := d.Cmd("network", "ls") assert.NilError(c, err) return out, nil } waitAndAssert(c, 3*time.Second, checkNetwork, checker.Not(checker.Contains), "testnet") } func (s *DockerSwarmSuite) TestOverlayAttachable(c *check.C) { d := s.AddDaemon(c, true, true) out, err := d.Cmd("network", "create", "-d", "overlay", "--attachable", "ovnet") assert.NilError(c, err, out) // validate attachable out, err = d.Cmd("network", "inspect", "--format", "{{json .Attachable}}", "ovnet") assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), "true") // validate containers can attach to this overlay network out, err = d.Cmd("run", "-d", "--network", "ovnet", "--name", "c1", "busybox", "top") assert.NilError(c, err, out) // redo validation, there was a bug that the value of attachable changes after // containers attach to the network out, err = d.Cmd("network", "inspect", "--format", "{{json .Attachable}}", "ovnet") assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), "true") } func (s *DockerSwarmSuite) TestOverlayAttachableOnSwarmLeave(c *check.C) { d := s.AddDaemon(c, true, true) // Create an attachable swarm network nwName := "attovl" out, err := d.Cmd("network", "create", "-d", "overlay", "--attachable", nwName) assert.NilError(c, err, out) // Connect a container to the network out, err = d.Cmd("run", "-d", "--network", nwName, "--name", "c1", "busybox", "top") assert.NilError(c, err, out) // Leave the swarm c.Assert(d.SwarmLeave(c, true), checker.IsNil) // Check the container is disconnected out, err = d.Cmd("inspect", "c1", "--format", "{{.NetworkSettings.Networks."+nwName+"}}") assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), "") // Check the network is gone out, err = d.Cmd("network", "ls", "--format", "{{.Name}}") assert.NilError(c, err, out) c.Assert(out, checker.Not(checker.Contains), nwName) } func (s *DockerSwarmSuite) TestOverlayAttachableReleaseResourcesOnFailure(c *check.C) { d := s.AddDaemon(c, true, true) // Create attachable network out, err := d.Cmd("network", "create", "-d", "overlay", "--attachable", "--subnet", "10.10.9.0/24", "ovnet") assert.NilError(c, err, out) // Attach a container with specific IP out, err = d.Cmd("run", "-d", "--network", "ovnet", "--name", "c1", "--ip", "10.10.9.33", "busybox", "top") assert.NilError(c, err, out) // Attempt to attach another container with same IP, must fail out, err = d.Cmd("run", "-d", "--network", "ovnet", "--name", "c2", "--ip", "10.10.9.33", "busybox", "top") assert.ErrorContains(c, err, "", out) // Remove first container out, err = d.Cmd("rm", "-f", "c1") assert.NilError(c, err, out) // Verify the network can be removed, no phantom network attachment task left over out, err = d.Cmd("network", "rm", "ovnet") assert.NilError(c, err, out) } func (s *DockerSwarmSuite) TestSwarmIngressNetwork(c *check.C) { d := s.AddDaemon(c, true, true) // Ingress network can be removed removeNetwork := func(name string) *icmd.Result { return cli.Docker( cli.Args("-H", d.Sock(), "network", "rm", name), cli.WithStdin(strings.NewReader("Y"))) } result := removeNetwork("ingress") result.Assert(c, icmd.Success) // And recreated out, err := d.Cmd("network", "create", "-d", "overlay", "--ingress", "new-ingress") assert.NilError(c, err, out) // But only one is allowed out, err = d.Cmd("network", "create", "-d", "overlay", "--ingress", "another-ingress") assert.ErrorContains(c, err, "") c.Assert(strings.TrimSpace(out), checker.Contains, "is already present") // It cannot be removed if it is being used out, err = d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", "srv1", "-p", "9000:8000", "busybox", "top") assert.NilError(c, err, out) result = removeNetwork("new-ingress") result.Assert(c, icmd.Expected{ ExitCode: 1, Err: "ingress network cannot be removed because service", }) // But it can be removed once no more services depend on it out, err = d.Cmd("service", "update", "--detach", "--publish-rm", "9000:8000", "srv1") assert.NilError(c, err, out) result = removeNetwork("new-ingress") result.Assert(c, icmd.Success) // A service which needs the ingress network cannot be created if no ingress is present out, err = d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", "srv2", "-p", "500:500", "busybox", "top") assert.ErrorContains(c, err, "") c.Assert(strings.TrimSpace(out), checker.Contains, "no ingress network is present") // An existing service cannot be updated to use the ingress nw if the nw is not present out, err = d.Cmd("service", "update", "--detach", "--publish-add", "9000:8000", "srv1") assert.ErrorContains(c, err, "") c.Assert(strings.TrimSpace(out), checker.Contains, "no ingress network is present") // But services which do not need routing mesh can be created regardless out, err = d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", "srv3", "--endpoint-mode", "dnsrr", "busybox", "top") assert.NilError(c, err, out) } func (s *DockerSwarmSuite) TestSwarmCreateServiceWithNoIngressNetwork(c *check.C) { d := s.AddDaemon(c, true, true) // Remove ingress network result := cli.Docker( cli.Args("-H", d.Sock(), "network", "rm", "ingress"), cli.WithStdin(strings.NewReader("Y"))) result.Assert(c, icmd.Success) // Create a overlay network and launch a service on it // Make sure nothing panics because ingress network is missing out, err := d.Cmd("network", "create", "-d", "overlay", "another-network") assert.NilError(c, err, out) out, err = d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", "srv4", "--network", "another-network", "busybox", "top") assert.NilError(c, err, out) } // Test case for #24108, also the case from: // https://github.com/docker/docker/pull/24620#issuecomment-233715656 func (s *DockerSwarmSuite) TestSwarmTaskListFilter(c *check.C) { d := s.AddDaemon(c, true, true) name := "redis-cluster-md5" out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name, "--replicas=3", "busybox", "top") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") filter := "name=redis-cluster" checkNumTasks := func(*check.C) (interface{}, check.CommentInterface) { out, err := d.Cmd("service", "ps", "--filter", filter, name) assert.NilError(c, err, out) return len(strings.Split(out, "\n")) - 2, nil // includes header and nl in last line } // wait until all tasks have been created waitAndAssert(c, defaultReconciliationTimeout, checkNumTasks, checker.Equals, 3) out, err = d.Cmd("service", "ps", "--filter", filter, name) assert.NilError(c, err, out) c.Assert(out, checker.Contains, name+".1") c.Assert(out, checker.Contains, name+".2") c.Assert(out, checker.Contains, name+".3") out, err = d.Cmd("service", "ps", "--filter", "name="+name+".1", name) assert.NilError(c, err, out) c.Assert(out, checker.Contains, name+".1") c.Assert(out, checker.Not(checker.Contains), name+".2") c.Assert(out, checker.Not(checker.Contains), name+".3") out, err = d.Cmd("service", "ps", "--filter", "name=none", name) assert.NilError(c, err, out) c.Assert(out, checker.Not(checker.Contains), name+".1") c.Assert(out, checker.Not(checker.Contains), name+".2") c.Assert(out, checker.Not(checker.Contains), name+".3") name = "redis-cluster-sha1" out, err = d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name, "--mode=global", "busybox", "top") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") waitAndAssert(c, defaultReconciliationTimeout, checkNumTasks, checker.Equals, 1) filter = "name=redis-cluster" out, err = d.Cmd("service", "ps", "--filter", filter, name) assert.NilError(c, err, out) c.Assert(out, checker.Contains, name) out, err = d.Cmd("service", "ps", "--filter", "name="+name, name) assert.NilError(c, err, out) c.Assert(out, checker.Contains, name) out, err = d.Cmd("service", "ps", "--filter", "name=none", name) assert.NilError(c, err, out) c.Assert(out, checker.Not(checker.Contains), name) } func (s *DockerSwarmSuite) TestPsListContainersFilterIsTask(c *check.C) { d := s.AddDaemon(c, true, true) // Create a bare container out, err := d.Cmd("run", "-d", "--name=bare-container", "busybox", "top") assert.NilError(c, err, out) bareID := strings.TrimSpace(out)[:12] // Create a service name := "busybox-top" out, err = d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name, "busybox", "top") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") // make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckServiceRunningTasks(name), checker.Equals, 1) // Filter non-tasks out, err = d.Cmd("ps", "-a", "-q", "--filter=is-task=false") assert.NilError(c, err, out) psOut := strings.TrimSpace(out) c.Assert(psOut, checker.Equals, bareID, check.Commentf("Expected id %s, got %s for is-task label, output %q", bareID, psOut, out)) // Filter tasks out, err = d.Cmd("ps", "-a", "-q", "--filter=is-task=true") assert.NilError(c, err, out) lines := strings.Split(strings.Trim(out, "\n "), "\n") assert.Equal(c, len(lines), 1) c.Assert(lines[0], checker.Not(checker.Equals), bareID, check.Commentf("Expected not %s, but got it for is-task label, output %q", bareID, out)) } const globalNetworkPlugin = "global-network-plugin" const globalIPAMPlugin = "global-ipam-plugin" func setupRemoteGlobalNetworkPlugin(c *check.C, mux *http.ServeMux, url, netDrv, ipamDrv string) { mux.HandleFunc("/Plugin.Activate", func(w http.ResponseWriter, r *http.Request) { w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") fmt.Fprintf(w, `{"Implements": ["%s", "%s"]}`, driverapi.NetworkPluginEndpointType, ipamapi.PluginEndpointType) }) // Network driver implementation mux.HandleFunc(fmt.Sprintf("/%s.GetCapabilities", driverapi.NetworkPluginEndpointType), func(w http.ResponseWriter, r *http.Request) { w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") fmt.Fprintf(w, `{"Scope":"global"}`) }) mux.HandleFunc(fmt.Sprintf("/%s.AllocateNetwork", driverapi.NetworkPluginEndpointType), func(w http.ResponseWriter, r *http.Request) { err := json.NewDecoder(r.Body).Decode(&remoteDriverNetworkRequest) if err != nil { http.Error(w, "Unable to decode JSON payload: "+err.Error(), http.StatusBadRequest) return } w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") fmt.Fprintf(w, "null") }) mux.HandleFunc(fmt.Sprintf("/%s.FreeNetwork", driverapi.NetworkPluginEndpointType), func(w http.ResponseWriter, r *http.Request) { w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") fmt.Fprintf(w, "null") }) mux.HandleFunc(fmt.Sprintf("/%s.CreateNetwork", driverapi.NetworkPluginEndpointType), func(w http.ResponseWriter, r *http.Request) { err := json.NewDecoder(r.Body).Decode(&remoteDriverNetworkRequest) if err != nil { http.Error(w, "Unable to decode JSON payload: "+err.Error(), http.StatusBadRequest) return } w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") fmt.Fprintf(w, "null") }) mux.HandleFunc(fmt.Sprintf("/%s.DeleteNetwork", driverapi.NetworkPluginEndpointType), func(w http.ResponseWriter, r *http.Request) { w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") fmt.Fprintf(w, "null") }) mux.HandleFunc(fmt.Sprintf("/%s.CreateEndpoint", driverapi.NetworkPluginEndpointType), func(w http.ResponseWriter, r *http.Request) { w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") fmt.Fprintf(w, `{"Interface":{"MacAddress":"a0:b1:c2:d3:e4:f5"}}`) }) mux.HandleFunc(fmt.Sprintf("/%s.Join", driverapi.NetworkPluginEndpointType), func(w http.ResponseWriter, r *http.Request) { w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") veth := &netlink.Veth{ LinkAttrs: netlink.LinkAttrs{Name: "randomIfName", TxQLen: 0}, PeerName: "cnt0"} if err := netlink.LinkAdd(veth); err != nil { fmt.Fprintf(w, `{"Error":"failed to add veth pair: `+err.Error()+`"}`) } else { fmt.Fprintf(w, `{"InterfaceName":{ "SrcName":"cnt0", "DstPrefix":"veth"}}`) } }) mux.HandleFunc(fmt.Sprintf("/%s.Leave", driverapi.NetworkPluginEndpointType), func(w http.ResponseWriter, r *http.Request) { w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") fmt.Fprintf(w, "null") }) mux.HandleFunc(fmt.Sprintf("/%s.DeleteEndpoint", driverapi.NetworkPluginEndpointType), func(w http.ResponseWriter, r *http.Request) { w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") if link, err := netlink.LinkByName("cnt0"); err == nil { netlink.LinkDel(link) } fmt.Fprintf(w, "null") }) // IPAM Driver implementation var ( poolRequest remoteipam.RequestPoolRequest poolReleaseReq remoteipam.ReleasePoolRequest addressRequest remoteipam.RequestAddressRequest addressReleaseReq remoteipam.ReleaseAddressRequest lAS = "localAS" gAS = "globalAS" pool = "172.28.0.0/16" poolID = lAS + "/" + pool gw = "172.28.255.254/16" ) mux.HandleFunc(fmt.Sprintf("/%s.GetDefaultAddressSpaces", ipamapi.PluginEndpointType), func(w http.ResponseWriter, r *http.Request) { w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") fmt.Fprintf(w, `{"LocalDefaultAddressSpace":"`+lAS+`", "GlobalDefaultAddressSpace": "`+gAS+`"}`) }) mux.HandleFunc(fmt.Sprintf("/%s.RequestPool", ipamapi.PluginEndpointType), func(w http.ResponseWriter, r *http.Request) { err := json.NewDecoder(r.Body).Decode(&poolRequest) if err != nil { http.Error(w, "Unable to decode JSON payload: "+err.Error(), http.StatusBadRequest) return } w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") if poolRequest.AddressSpace != lAS && poolRequest.AddressSpace != gAS { fmt.Fprintf(w, `{"Error":"Unknown address space in pool request: `+poolRequest.AddressSpace+`"}`) } else if poolRequest.Pool != "" && poolRequest.Pool != pool { fmt.Fprintf(w, `{"Error":"Cannot handle explicit pool requests yet"}`) } else { fmt.Fprintf(w, `{"PoolID":"`+poolID+`", "Pool":"`+pool+`"}`) } }) mux.HandleFunc(fmt.Sprintf("/%s.RequestAddress", ipamapi.PluginEndpointType), func(w http.ResponseWriter, r *http.Request) { err := json.NewDecoder(r.Body).Decode(&addressRequest) if err != nil { http.Error(w, "Unable to decode JSON payload: "+err.Error(), http.StatusBadRequest) return } w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") // make sure libnetwork is now querying on the expected pool id if addressRequest.PoolID != poolID { fmt.Fprintf(w, `{"Error":"unknown pool id"}`) } else if addressRequest.Address != "" { fmt.Fprintf(w, `{"Error":"Cannot handle explicit address requests yet"}`) } else { fmt.Fprintf(w, `{"Address":"`+gw+`"}`) } }) mux.HandleFunc(fmt.Sprintf("/%s.ReleaseAddress", ipamapi.PluginEndpointType), func(w http.ResponseWriter, r *http.Request) { err := json.NewDecoder(r.Body).Decode(&addressReleaseReq) if err != nil { http.Error(w, "Unable to decode JSON payload: "+err.Error(), http.StatusBadRequest) return } w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") // make sure libnetwork is now asking to release the expected address from the expected poolid if addressRequest.PoolID != poolID { fmt.Fprintf(w, `{"Error":"unknown pool id"}`) } else if addressReleaseReq.Address != gw { fmt.Fprintf(w, `{"Error":"unknown address"}`) } else { fmt.Fprintf(w, "null") } }) mux.HandleFunc(fmt.Sprintf("/%s.ReleasePool", ipamapi.PluginEndpointType), func(w http.ResponseWriter, r *http.Request) { err := json.NewDecoder(r.Body).Decode(&poolReleaseReq) if err != nil { http.Error(w, "Unable to decode JSON payload: "+err.Error(), http.StatusBadRequest) return } w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json") // make sure libnetwork is now asking to release the expected poolid if addressRequest.PoolID != poolID { fmt.Fprintf(w, `{"Error":"unknown pool id"}`) } else { fmt.Fprintf(w, "null") } }) err := os.MkdirAll("/etc/docker/plugins", 0755) assert.NilError(c, err) fileName := fmt.Sprintf("/etc/docker/plugins/%s.spec", netDrv) err = ioutil.WriteFile(fileName, []byte(url), 0644) assert.NilError(c, err) ipamFileName := fmt.Sprintf("/etc/docker/plugins/%s.spec", ipamDrv) err = ioutil.WriteFile(ipamFileName, []byte(url), 0644) assert.NilError(c, err) } func (s *DockerSwarmSuite) TestSwarmNetworkPlugin(c *check.C) { mux := http.NewServeMux() s.server = httptest.NewServer(mux) c.Assert(s.server, check.NotNil) // check that HTTP server has started setupRemoteGlobalNetworkPlugin(c, mux, s.server.URL, globalNetworkPlugin, globalIPAMPlugin) defer func() { s.server.Close() err := os.RemoveAll("/etc/docker/plugins") assert.NilError(c, err) }() d := s.AddDaemon(c, true, true) out, err := d.Cmd("network", "create", "-d", globalNetworkPlugin, "foo") assert.ErrorContains(c, err, "", out) c.Assert(out, checker.Contains, "not supported in swarm mode") } // Test case for #24712 func (s *DockerSwarmSuite) TestSwarmServiceEnvFile(c *check.C) { d := s.AddDaemon(c, true, true) path := filepath.Join(d.Folder, "env.txt") err := ioutil.WriteFile(path, []byte("VAR1=A\nVAR2=A\n"), 0644) assert.NilError(c, err) name := "worker" out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--env-file", path, "--env", "VAR1=B", "--env", "VAR1=C", "--env", "VAR2=", "--env", "VAR2", "--name", name, "busybox", "top") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") // The complete env is [VAR1=A VAR2=A VAR1=B VAR1=C VAR2= VAR2] and duplicates will be removed => [VAR1=C VAR2] out, err = d.Cmd("inspect", "--format", "{{ .Spec.TaskTemplate.ContainerSpec.Env }}", name) assert.NilError(c, err, out) c.Assert(out, checker.Contains, "[VAR1=C VAR2]") } func (s *DockerSwarmSuite) TestSwarmServiceTTY(c *check.C) { d := s.AddDaemon(c, true, true) name := "top" ttyCheck := "if [ -t 0 ]; then echo TTY > /status && top; else echo none > /status && top; fi" // Without --tty expectedOutput := "none" out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name, "busybox", "sh", "-c", ttyCheck) assert.NilError(c, err, out) // Make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 1) // We need to get the container id. out, err = d.Cmd("ps", "-q", "--no-trunc") assert.NilError(c, err, out) id := strings.TrimSpace(out) out, err = d.Cmd("exec", id, "cat", "/status") assert.NilError(c, err, out) c.Assert(out, checker.Contains, expectedOutput, check.Commentf("Expected '%s', but got %q", expectedOutput, out)) // Remove service out, err = d.Cmd("service", "rm", name) assert.NilError(c, err, out) // Make sure container has been destroyed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 0) // With --tty expectedOutput = "TTY" out, err = d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name, "--tty", "busybox", "sh", "-c", ttyCheck) assert.NilError(c, err, out) // Make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 1) // We need to get the container id. out, err = d.Cmd("ps", "-q", "--no-trunc") assert.NilError(c, err, out) id = strings.TrimSpace(out) out, err = d.Cmd("exec", id, "cat", "/status") assert.NilError(c, err, out) c.Assert(out, checker.Contains, expectedOutput, check.Commentf("Expected '%s', but got %q", expectedOutput, out)) } func (s *DockerSwarmSuite) TestSwarmServiceTTYUpdate(c *check.C) { d := s.AddDaemon(c, true, true) // Create a service name := "top" out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name, "busybox", "top") assert.NilError(c, err, out) // Make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 1) out, err = d.Cmd("service", "inspect", "--format", "{{ .Spec.TaskTemplate.ContainerSpec.TTY }}", name) assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), "false") out, err = d.Cmd("service", "update", "--detach", "--tty", name) assert.NilError(c, err, out) out, err = d.Cmd("service", "inspect", "--format", "{{ .Spec.TaskTemplate.ContainerSpec.TTY }}", name) assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), "true") } func (s *DockerSwarmSuite) TestSwarmServiceNetworkUpdate(c *check.C) { d := s.AddDaemon(c, true, true) result := icmd.RunCmd(d.Command("network", "create", "-d", "overlay", "foo")) result.Assert(c, icmd.Success) fooNetwork := strings.TrimSpace(string(result.Combined())) result = icmd.RunCmd(d.Command("network", "create", "-d", "overlay", "bar")) result.Assert(c, icmd.Success) barNetwork := strings.TrimSpace(string(result.Combined())) result = icmd.RunCmd(d.Command("network", "create", "-d", "overlay", "baz")) result.Assert(c, icmd.Success) bazNetwork := strings.TrimSpace(string(result.Combined())) // Create a service name := "top" result = icmd.RunCmd(d.Command("service", "create", "--detach", "--no-resolve-image", "--network", "foo", "--network", "bar", "--name", name, "busybox", "top")) result.Assert(c, icmd.Success) // Make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckRunningTaskNetworks, checker.DeepEquals, map[string]int{fooNetwork: 1, barNetwork: 1}) // Remove a network result = icmd.RunCmd(d.Command("service", "update", "--detach", "--network-rm", "foo", name)) result.Assert(c, icmd.Success) waitAndAssert(c, defaultReconciliationTimeout, d.CheckRunningTaskNetworks, checker.DeepEquals, map[string]int{barNetwork: 1}) // Add a network result = icmd.RunCmd(d.Command("service", "update", "--detach", "--network-add", "baz", name)) result.Assert(c, icmd.Success) waitAndAssert(c, defaultReconciliationTimeout, d.CheckRunningTaskNetworks, checker.DeepEquals, map[string]int{barNetwork: 1, bazNetwork: 1}) } func (s *DockerSwarmSuite) TestDNSConfig(c *check.C) { d := s.AddDaemon(c, true, true) // Create a service name := "top" out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name, "--dns=1.2.3.4", "--dns-search=example.com", "--dns-option=timeout:3", "busybox", "top") assert.NilError(c, err, out) // Make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 1) // We need to get the container id. out, err = d.Cmd("ps", "-a", "-q", "--no-trunc") assert.NilError(c, err, out) id := strings.TrimSpace(out) // Compare against expected output. expectedOutput1 := "nameserver 1.2.3.4" expectedOutput2 := "search example.com" expectedOutput3 := "options timeout:3" out, err = d.Cmd("exec", id, "cat", "/etc/resolv.conf") assert.NilError(c, err, out) c.Assert(out, checker.Contains, expectedOutput1, check.Commentf("Expected '%s', but got %q", expectedOutput1, out)) c.Assert(out, checker.Contains, expectedOutput2, check.Commentf("Expected '%s', but got %q", expectedOutput2, out)) c.Assert(out, checker.Contains, expectedOutput3, check.Commentf("Expected '%s', but got %q", expectedOutput3, out)) } func (s *DockerSwarmSuite) TestDNSConfigUpdate(c *check.C) { d := s.AddDaemon(c, true, true) // Create a service name := "top" out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name, "busybox", "top") assert.NilError(c, err, out) // Make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 1) out, err = d.Cmd("service", "update", "--detach", "--dns-add=1.2.3.4", "--dns-search-add=example.com", "--dns-option-add=timeout:3", name) assert.NilError(c, err, out) out, err = d.Cmd("service", "inspect", "--format", "{{ .Spec.TaskTemplate.ContainerSpec.DNSConfig }}", name) assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), "{[1.2.3.4] [example.com] [timeout:3]}") } func getNodeStatus(c *check.C, d *daemon.Daemon) swarm.LocalNodeState { info := d.SwarmInfo(c) return info.LocalNodeState } func checkKeyIsEncrypted(d *daemon.Daemon) func(*check.C) (interface{}, check.CommentInterface) { return func(c *check.C) (interface{}, check.CommentInterface) { keyBytes, err := ioutil.ReadFile(filepath.Join(d.Folder, "root", "swarm", "certificates", "swarm-node.key")) if err != nil { return fmt.Errorf("error reading key: %v", err), nil } keyBlock, _ := pem.Decode(keyBytes) if keyBlock == nil { return fmt.Errorf("invalid PEM-encoded private key"), nil } return keyutils.IsEncryptedPEMBlock(keyBlock), nil } } func checkSwarmLockedToUnlocked(c *check.C, d *daemon.Daemon) { // Wait for the PEM file to become unencrypted waitAndAssert(c, defaultReconciliationTimeout, checkKeyIsEncrypted(d), checker.Equals, false) d.RestartNode(c) waitAndAssert(c, time.Second, d.CheckLocalNodeState, checker.Equals, swarm.LocalNodeStateActive) } func checkSwarmUnlockedToLocked(c *check.C, d *daemon.Daemon) { // Wait for the PEM file to become encrypted waitAndAssert(c, defaultReconciliationTimeout, checkKeyIsEncrypted(d), checker.Equals, true) d.RestartNode(c) waitAndAssert(c, time.Second, d.CheckLocalNodeState, checker.Equals, swarm.LocalNodeStateLocked) } func (s *DockerSwarmSuite) TestUnlockEngineAndUnlockedSwarm(c *check.C) { d := s.AddDaemon(c, false, false) // unlocking a normal engine should return an error - it does not even ask for the key cmd := d.Command("swarm", "unlock") result := icmd.RunCmd(cmd) result.Assert(c, icmd.Expected{ ExitCode: 1, }) c.Assert(result.Combined(), checker.Contains, "Error: This node is not part of a swarm") c.Assert(result.Combined(), checker.Not(checker.Contains), "Please enter unlock key") out, err := d.Cmd("swarm", "init") assert.NilError(c, err, out) // unlocking an unlocked swarm should return an error - it does not even ask for the key cmd = d.Command("swarm", "unlock") result = icmd.RunCmd(cmd) result.Assert(c, icmd.Expected{ ExitCode: 1, }) c.Assert(result.Combined(), checker.Contains, "Error: swarm is not locked") c.Assert(result.Combined(), checker.Not(checker.Contains), "Please enter unlock key") } func (s *DockerSwarmSuite) TestSwarmInitLocked(c *check.C) { d := s.AddDaemon(c, false, false) outs, err := d.Cmd("swarm", "init", "--autolock") c.Assert(err, checker.IsNil, check.Commentf("%s", outs)) unlockKey := getUnlockKey(d, c, outs) c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive) // It starts off locked d.RestartNode(c) c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateLocked) cmd := d.Command("swarm", "unlock") cmd.Stdin = bytes.NewBufferString("wrong-secret-key") icmd.RunCmd(cmd).Assert(c, icmd.Expected{ ExitCode: 1, Err: "invalid key", }) c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateLocked) cmd = d.Command("swarm", "unlock") cmd.Stdin = bytes.NewBufferString(unlockKey) icmd.RunCmd(cmd).Assert(c, icmd.Success) c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive) outs, err = d.Cmd("node", "ls") c.Assert(err, checker.IsNil, check.Commentf("%s", outs)) c.Assert(outs, checker.Not(checker.Contains), "Swarm is encrypted and needs to be unlocked") outs, err = d.Cmd("swarm", "update", "--autolock=false") c.Assert(err, checker.IsNil, check.Commentf("%s", outs)) checkSwarmLockedToUnlocked(c, d) outs, err = d.Cmd("node", "ls") c.Assert(err, checker.IsNil, check.Commentf("%s", outs)) c.Assert(outs, checker.Not(checker.Contains), "Swarm is encrypted and needs to be unlocked") } func (s *DockerSwarmSuite) TestSwarmLeaveLocked(c *check.C) { d := s.AddDaemon(c, false, false) outs, err := d.Cmd("swarm", "init", "--autolock") c.Assert(err, checker.IsNil, check.Commentf("%s", outs)) // It starts off locked d.RestartNode(c) info := d.SwarmInfo(c) assert.Equal(c, info.LocalNodeState, swarm.LocalNodeStateLocked) outs, _ = d.Cmd("node", "ls") c.Assert(outs, checker.Contains, "Swarm is encrypted and needs to be unlocked") // `docker swarm leave` a locked swarm without --force will return an error outs, _ = d.Cmd("swarm", "leave") c.Assert(outs, checker.Contains, "Swarm is encrypted and locked.") // It is OK for user to leave a locked swarm with --force outs, err = d.Cmd("swarm", "leave", "--force") c.Assert(err, checker.IsNil, check.Commentf("%s", outs)) info = d.SwarmInfo(c) assert.Equal(c, info.LocalNodeState, swarm.LocalNodeStateInactive) outs, err = d.Cmd("swarm", "init") c.Assert(err, checker.IsNil, check.Commentf("%s", outs)) info = d.SwarmInfo(c) assert.Equal(c, info.LocalNodeState, swarm.LocalNodeStateActive) } func (s *DockerSwarmSuite) TestSwarmLockUnlockCluster(c *check.C) { d1 := s.AddDaemon(c, true, true) d2 := s.AddDaemon(c, true, true) d3 := s.AddDaemon(c, true, true) // they start off unlocked d2.RestartNode(c) c.Assert(getNodeStatus(c, d2), checker.Equals, swarm.LocalNodeStateActive) // stop this one so it does not get autolock info d2.Stop(c) // enable autolock outs, err := d1.Cmd("swarm", "update", "--autolock") c.Assert(err, checker.IsNil, check.Commentf("%s", outs)) unlockKey := getUnlockKey(d1, c, outs) // The ones that got the cluster update should be set to locked for _, d := range []*daemon.Daemon{d1, d3} { checkSwarmUnlockedToLocked(c, d) cmd := d.Command("swarm", "unlock") cmd.Stdin = bytes.NewBufferString(unlockKey) icmd.RunCmd(cmd).Assert(c, icmd.Success) c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive) } // d2 never got the cluster update, so it is still set to unlocked d2.StartNode(c) c.Assert(getNodeStatus(c, d2), checker.Equals, swarm.LocalNodeStateActive) // d2 is now set to lock checkSwarmUnlockedToLocked(c, d2) // leave it locked, and set the cluster to no longer autolock outs, err = d1.Cmd("swarm", "update", "--autolock=false") c.Assert(err, checker.IsNil, check.Commentf("out: %v", outs)) // the ones that got the update are now set to unlocked for _, d := range []*daemon.Daemon{d1, d3} { checkSwarmLockedToUnlocked(c, d) } // d2 still locked c.Assert(getNodeStatus(c, d2), checker.Equals, swarm.LocalNodeStateLocked) // unlock it cmd := d2.Command("swarm", "unlock") cmd.Stdin = bytes.NewBufferString(unlockKey) icmd.RunCmd(cmd).Assert(c, icmd.Success) c.Assert(getNodeStatus(c, d2), checker.Equals, swarm.LocalNodeStateActive) // once it's caught up, d2 is set to not be locked checkSwarmLockedToUnlocked(c, d2) // managers who join now are never set to locked in the first place d4 := s.AddDaemon(c, true, true) d4.RestartNode(c) c.Assert(getNodeStatus(c, d4), checker.Equals, swarm.LocalNodeStateActive) } func (s *DockerSwarmSuite) TestSwarmJoinPromoteLocked(c *check.C) { d1 := s.AddDaemon(c, true, true) // enable autolock outs, err := d1.Cmd("swarm", "update", "--autolock") c.Assert(err, checker.IsNil, check.Commentf("out: %v", outs)) unlockKey := getUnlockKey(d1, c, outs) // joined workers start off unlocked d2 := s.AddDaemon(c, true, false) d2.RestartNode(c) waitAndAssert(c, time.Second, d2.CheckLocalNodeState, checker.Equals, swarm.LocalNodeStateActive) // promote worker outs, err = d1.Cmd("node", "promote", d2.NodeID()) assert.NilError(c, err) c.Assert(outs, checker.Contains, "promoted to a manager in the swarm") // join new manager node d3 := s.AddDaemon(c, true, true) // both new nodes are locked for _, d := range []*daemon.Daemon{d2, d3} { checkSwarmUnlockedToLocked(c, d) cmd := d.Command("swarm", "unlock") cmd.Stdin = bytes.NewBufferString(unlockKey) icmd.RunCmd(cmd).Assert(c, icmd.Success) c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive) } // demote manager back to worker - workers are not locked outs, err = d1.Cmd("node", "demote", d3.NodeID()) assert.NilError(c, err) c.Assert(outs, checker.Contains, "demoted in the swarm") // Wait for it to actually be demoted, for the key and cert to be replaced. // Then restart and assert that the node is not locked. If we don't wait for the cert // to be replaced, then the node still has the manager TLS key which is still locked // (because we never want a manager TLS key to be on disk unencrypted if the cluster // is set to autolock) waitAndAssert(c, defaultReconciliationTimeout, d3.CheckControlAvailable, checker.False) waitAndAssert(c, defaultReconciliationTimeout, func(c *check.C) (interface{}, check.CommentInterface) { certBytes, err := ioutil.ReadFile(filepath.Join(d3.Folder, "root", "swarm", "certificates", "swarm-node.crt")) if err != nil { return "", check.Commentf("error: %v", err) } certs, err := helpers.ParseCertificatesPEM(certBytes) if err == nil && len(certs) > 0 && len(certs[0].Subject.OrganizationalUnit) > 0 { return certs[0].Subject.OrganizationalUnit[0], nil } return "", check.Commentf("could not get organizational unit from certificate") }, checker.Equals, "swarm-worker") // by now, it should *never* be locked on restart d3.RestartNode(c) waitAndAssert(c, time.Second, d3.CheckLocalNodeState, checker.Equals, swarm.LocalNodeStateActive) } func (s *DockerSwarmSuite) TestSwarmRotateUnlockKey(c *check.C) { d := s.AddDaemon(c, true, true) outs, err := d.Cmd("swarm", "update", "--autolock") c.Assert(err, checker.IsNil, check.Commentf("out: %v", outs)) unlockKey := getUnlockKey(d, c, outs) // Rotate multiple times for i := 0; i != 3; i++ { outs, err = d.Cmd("swarm", "unlock-key", "-q", "--rotate") c.Assert(err, checker.IsNil, check.Commentf("out: %v", outs)) // Strip \n newUnlockKey := outs[:len(outs)-1] c.Assert(newUnlockKey, checker.Not(checker.Equals), "") c.Assert(newUnlockKey, checker.Not(checker.Equals), unlockKey) d.RestartNode(c) c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateLocked) outs, _ = d.Cmd("node", "ls") c.Assert(outs, checker.Contains, "Swarm is encrypted and needs to be unlocked") cmd := d.Command("swarm", "unlock") cmd.Stdin = bytes.NewBufferString(unlockKey) result := icmd.RunCmd(cmd) if result.Error == nil { // On occasion, the daemon may not have finished // rotating the KEK before restarting. The test is // intentionally written to explore this behavior. // When this happens, unlocking with the old key will // succeed. If we wait for the rotation to happen and // restart again, the new key should be required this // time. time.Sleep(3 * time.Second) d.RestartNode(c) cmd = d.Command("swarm", "unlock") cmd.Stdin = bytes.NewBufferString(unlockKey) result = icmd.RunCmd(cmd) } result.Assert(c, icmd.Expected{ ExitCode: 1, Err: "invalid key", }) outs, _ = d.Cmd("node", "ls") c.Assert(outs, checker.Contains, "Swarm is encrypted and needs to be unlocked") cmd = d.Command("swarm", "unlock") cmd.Stdin = bytes.NewBufferString(newUnlockKey) icmd.RunCmd(cmd).Assert(c, icmd.Success) c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive) outs, err = d.Cmd("node", "ls") assert.NilError(c, err) c.Assert(outs, checker.Not(checker.Contains), "Swarm is encrypted and needs to be unlocked") unlockKey = newUnlockKey } } // This differs from `TestSwarmRotateUnlockKey` because that one rotates a single node, which is the leader. // This one keeps the leader up, and asserts that other manager nodes in the cluster also have their unlock // key rotated. func (s *DockerSwarmSuite) TestSwarmClusterRotateUnlockKey(c *check.C) { if runtime.GOARCH == "s390x" { c.Skip("Disabled on s390x") } if runtime.GOARCH == "ppc64le" { c.Skip("Disabled on ppc64le") } d1 := s.AddDaemon(c, true, true) // leader - don't restart this one, we don't want leader election delays d2 := s.AddDaemon(c, true, true) d3 := s.AddDaemon(c, true, true) outs, err := d1.Cmd("swarm", "update", "--autolock") c.Assert(err, checker.IsNil, check.Commentf("%s", outs)) unlockKey := getUnlockKey(d1, c, outs) // Rotate multiple times for i := 0; i != 3; i++ { outs, err = d1.Cmd("swarm", "unlock-key", "-q", "--rotate") c.Assert(err, checker.IsNil, check.Commentf("%s", outs)) // Strip \n newUnlockKey := outs[:len(outs)-1] c.Assert(newUnlockKey, checker.Not(checker.Equals), "") c.Assert(newUnlockKey, checker.Not(checker.Equals), unlockKey) d2.RestartNode(c) d3.RestartNode(c) for _, d := range []*daemon.Daemon{d2, d3} { c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateLocked) outs, _ := d.Cmd("node", "ls") c.Assert(outs, checker.Contains, "Swarm is encrypted and needs to be unlocked") cmd := d.Command("swarm", "unlock") cmd.Stdin = bytes.NewBufferString(unlockKey) result := icmd.RunCmd(cmd) if result.Error == nil { // On occasion, the daemon may not have finished // rotating the KEK before restarting. The test is // intentionally written to explore this behavior. // When this happens, unlocking with the old key will // succeed. If we wait for the rotation to happen and // restart again, the new key should be required this // time. time.Sleep(3 * time.Second) d.RestartNode(c) cmd = d.Command("swarm", "unlock") cmd.Stdin = bytes.NewBufferString(unlockKey) result = icmd.RunCmd(cmd) } result.Assert(c, icmd.Expected{ ExitCode: 1, Err: "invalid key", }) outs, _ = d.Cmd("node", "ls") c.Assert(outs, checker.Contains, "Swarm is encrypted and needs to be unlocked") cmd = d.Command("swarm", "unlock") cmd.Stdin = bytes.NewBufferString(newUnlockKey) icmd.RunCmd(cmd).Assert(c, icmd.Success) c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive) outs, err = d.Cmd("node", "ls") c.Assert(err, checker.IsNil, check.Commentf("%s", outs)) c.Assert(outs, checker.Not(checker.Contains), "Swarm is encrypted and needs to be unlocked") } unlockKey = newUnlockKey } } func (s *DockerSwarmSuite) TestSwarmAlternateLockUnlock(c *check.C) { d := s.AddDaemon(c, true, true) for i := 0; i < 2; i++ { // set to lock outs, err := d.Cmd("swarm", "update", "--autolock") c.Assert(err, checker.IsNil, check.Commentf("out: %v", outs)) c.Assert(outs, checker.Contains, "docker swarm unlock") unlockKey := getUnlockKey(d, c, outs) checkSwarmUnlockedToLocked(c, d) cmd := d.Command("swarm", "unlock") cmd.Stdin = bytes.NewBufferString(unlockKey) icmd.RunCmd(cmd).Assert(c, icmd.Success) c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive) outs, err = d.Cmd("swarm", "update", "--autolock=false") c.Assert(err, checker.IsNil, check.Commentf("out: %v", outs)) checkSwarmLockedToUnlocked(c, d) } } func (s *DockerSwarmSuite) TestExtraHosts(c *check.C) { d := s.AddDaemon(c, true, true) // Create a service name := "top" out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", name, "--host=example.com:1.2.3.4", "busybox", "top") assert.NilError(c, err, out) // Make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 1) // We need to get the container id. out, err = d.Cmd("ps", "-a", "-q", "--no-trunc") assert.NilError(c, err, out) id := strings.TrimSpace(out) // Compare against expected output. expectedOutput := "1.2.3.4\texample.com" out, err = d.Cmd("exec", id, "cat", "/etc/hosts") assert.NilError(c, err, out) c.Assert(out, checker.Contains, expectedOutput, check.Commentf("Expected '%s', but got %q", expectedOutput, out)) } func (s *DockerSwarmSuite) TestSwarmManagerAddress(c *check.C) { d1 := s.AddDaemon(c, true, true) d2 := s.AddDaemon(c, true, false) d3 := s.AddDaemon(c, true, false) // Manager Addresses will always show Node 1's address expectedOutput := fmt.Sprintf("Manager Addresses:\n 127.0.0.1:%d\n", d1.SwarmPort) out, err := d1.Cmd("info") assert.NilError(c, err, out) assert.Assert(c, strings.Contains(out, expectedOutput)) out, err = d2.Cmd("info") assert.NilError(c, err, out) assert.Assert(c, strings.Contains(out, expectedOutput)) out, err = d3.Cmd("info") assert.NilError(c, err, out) assert.Assert(c, strings.Contains(out, expectedOutput)) } func (s *DockerSwarmSuite) TestSwarmNetworkIPAMOptions(c *check.C) { d := s.AddDaemon(c, true, true) out, err := d.Cmd("network", "create", "-d", "overlay", "--ipam-opt", "foo=bar", "foo") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") out, err = d.Cmd("network", "inspect", "--format", "{{.IPAM.Options}}", "foo") assert.NilError(c, err, out) c.Assert(strings.TrimSpace(out), checker.Contains, "foo:bar") c.Assert(strings.TrimSpace(out), checker.Contains, "com.docker.network.ipam.serial:true") out, err = d.Cmd("service", "create", "--detach", "--no-resolve-image", "--network=foo", "--name", "top", "busybox", "top") assert.NilError(c, err, out) // make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 1) out, err = d.Cmd("network", "inspect", "--format", "{{.IPAM.Options}}", "foo") assert.NilError(c, err, out) c.Assert(strings.TrimSpace(out), checker.Contains, "foo:bar") c.Assert(strings.TrimSpace(out), checker.Contains, "com.docker.network.ipam.serial:true") } // Test case for issue #27866, which did not allow NW name that is the prefix of a swarm NW ID. // e.g. if the ingress ID starts with "n1", it was impossible to create a NW named "n1". func (s *DockerSwarmSuite) TestSwarmNetworkCreateIssue27866(c *check.C) { d := s.AddDaemon(c, true, true) out, err := d.Cmd("network", "inspect", "-f", "{{.Id}}", "ingress") assert.NilError(c, err, "out: %v", out) ingressID := strings.TrimSpace(out) c.Assert(ingressID, checker.Not(checker.Equals), "") // create a network of which name is the prefix of the ID of an overlay network // (ingressID in this case) newNetName := ingressID[0:2] out, err = d.Cmd("network", "create", "--driver", "overlay", newNetName) // In #27866, it was failing because of "network with name %s already exists" assert.NilError(c, err, "out: %v", out) out, err = d.Cmd("network", "rm", newNetName) assert.NilError(c, err, "out: %v", out) } // Test case for https://github.com/docker/docker/pull/27938#issuecomment-265768303 // This test creates two networks with the same name sequentially, with various drivers. // Since the operations in this test are done sequentially, the 2nd call should fail with // "network with name FOO already exists". // Note that it is to ok have multiple networks with the same name if the operations are done // in parallel. (#18864) func (s *DockerSwarmSuite) TestSwarmNetworkCreateDup(c *check.C) { d := s.AddDaemon(c, true, true) drivers := []string{"bridge", "overlay"} for i, driver1 := range drivers { nwName := fmt.Sprintf("network-test-%d", i) for _, driver2 := range drivers { c.Logf("Creating a network named %q with %q, then %q", nwName, driver1, driver2) out, err := d.Cmd("network", "create", "--driver", driver1, nwName) assert.NilError(c, err, "out: %v", out) out, err = d.Cmd("network", "create", "--driver", driver2, nwName) c.Assert(out, checker.Contains, fmt.Sprintf("network with name %s already exists", nwName)) assert.ErrorContains(c, err, "") c.Logf("As expected, the attempt to network %q with %q failed: %s", nwName, driver2, out) out, err = d.Cmd("network", "rm", nwName) assert.NilError(c, err, "out: %v", out) } } } func (s *DockerSwarmSuite) TestSwarmPublishDuplicatePorts(c *check.C) { d := s.AddDaemon(c, true, true) out, err := d.Cmd("service", "create", "--no-resolve-image", "--detach=true", "--publish", "5005:80", "--publish", "5006:80", "--publish", "80", "--publish", "80", "busybox", "top") assert.NilError(c, err, out) id := strings.TrimSpace(out) // make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 1) // Total len = 4, with 2 dynamic ports and 2 non-dynamic ports // Dynamic ports are likely to be 30000 and 30001 but doesn't matter out, err = d.Cmd("service", "inspect", "--format", "{{.Endpoint.Ports}} len={{len .Endpoint.Ports}}", id) assert.NilError(c, err, out) c.Assert(out, checker.Contains, "len=4") c.Assert(out, checker.Contains, "{ tcp 80 5005 ingress}") c.Assert(out, checker.Contains, "{ tcp 80 5006 ingress}") } func (s *DockerSwarmSuite) TestSwarmJoinWithDrain(c *check.C) { d := s.AddDaemon(c, true, true) out, err := d.Cmd("node", "ls") assert.NilError(c, err) c.Assert(out, checker.Not(checker.Contains), "Drain") out, err = d.Cmd("swarm", "join-token", "-q", "manager") assert.NilError(c, err) assert.Assert(c, strings.TrimSpace(out) != "") token := strings.TrimSpace(out) d1 := s.AddDaemon(c, false, false) out, err = d1.Cmd("swarm", "join", "--availability=drain", "--token", token, d.SwarmListenAddr()) assert.NilError(c, err) assert.Assert(c, strings.TrimSpace(out) != "") out, err = d.Cmd("node", "ls") assert.NilError(c, err) c.Assert(out, checker.Contains, "Drain") out, err = d1.Cmd("node", "ls") assert.NilError(c, err) c.Assert(out, checker.Contains, "Drain") } func (s *DockerSwarmSuite) TestSwarmInitWithDrain(c *check.C) { d := s.AddDaemon(c, false, false) out, err := d.Cmd("swarm", "init", "--availability", "drain") assert.NilError(c, err, "out: %v", out) out, err = d.Cmd("node", "ls") assert.NilError(c, err) c.Assert(out, checker.Contains, "Drain") } func (s *DockerSwarmSuite) TestSwarmReadonlyRootfs(c *check.C) { testRequires(c, DaemonIsLinux, UserNamespaceROMount) d := s.AddDaemon(c, true, true) out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", "top", "--read-only", "busybox", "top") assert.NilError(c, err, out) // make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 1) out, err = d.Cmd("service", "inspect", "--format", "{{ .Spec.TaskTemplate.ContainerSpec.ReadOnly }}", "top") assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), "true") containers := d.ActiveContainers(c) out, err = d.Cmd("inspect", "--type", "container", "--format", "{{.HostConfig.ReadonlyRootfs}}", containers[0]) assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), "true") } func (s *DockerSwarmSuite) TestNetworkInspectWithDuplicateNames(c *check.C) { d := s.AddDaemon(c, true, true) name := "foo" options := types.NetworkCreate{ CheckDuplicate: false, Driver: "bridge", } cli := d.NewClientT(c) defer cli.Close() n1, err := cli.NetworkCreate(context.Background(), name, options) assert.NilError(c, err) // Full ID always works out, err := d.Cmd("network", "inspect", "--format", "{{.ID}}", n1.ID) assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), n1.ID) // Name works if it is unique out, err = d.Cmd("network", "inspect", "--format", "{{.ID}}", name) assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), n1.ID) n2, err := cli.NetworkCreate(context.Background(), name, options) assert.NilError(c, err) // Full ID always works out, err = d.Cmd("network", "inspect", "--format", "{{.ID}}", n1.ID) assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), n1.ID) out, err = d.Cmd("network", "inspect", "--format", "{{.ID}}", n2.ID) assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), n2.ID) // Name with duplicates out, err = d.Cmd("network", "inspect", "--format", "{{.ID}}", name) assert.ErrorContains(c, err, "", out) c.Assert(out, checker.Contains, "2 matches found based on name") out, err = d.Cmd("network", "rm", n2.ID) assert.NilError(c, err, out) // Duplicates with name but with different driver options.Driver = "overlay" n2, err = cli.NetworkCreate(context.Background(), name, options) assert.NilError(c, err) // Full ID always works out, err = d.Cmd("network", "inspect", "--format", "{{.ID}}", n1.ID) assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), n1.ID) out, err = d.Cmd("network", "inspect", "--format", "{{.ID}}", n2.ID) assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), n2.ID) // Name with duplicates out, err = d.Cmd("network", "inspect", "--format", "{{.ID}}", name) assert.ErrorContains(c, err, "", out) c.Assert(out, checker.Contains, "2 matches found based on name") } func (s *DockerSwarmSuite) TestSwarmStopSignal(c *check.C) { testRequires(c, DaemonIsLinux, UserNamespaceROMount) d := s.AddDaemon(c, true, true) out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", "top", "--stop-signal=SIGHUP", "busybox", "top") assert.NilError(c, err, out) // make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 1) out, err = d.Cmd("service", "inspect", "--format", "{{ .Spec.TaskTemplate.ContainerSpec.StopSignal }}", "top") assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), "SIGHUP") containers := d.ActiveContainers(c) out, err = d.Cmd("inspect", "--type", "container", "--format", "{{.Config.StopSignal}}", containers[0]) assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), "SIGHUP") out, err = d.Cmd("service", "update", "--detach", "--stop-signal=SIGUSR1", "top") assert.NilError(c, err, out) out, err = d.Cmd("service", "inspect", "--format", "{{ .Spec.TaskTemplate.ContainerSpec.StopSignal }}", "top") assert.NilError(c, err, out) assert.Equal(c, strings.TrimSpace(out), "SIGUSR1") } func (s *DockerSwarmSuite) TestSwarmServiceLsFilterMode(c *check.C) { d := s.AddDaemon(c, true, true) out, err := d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", "top1", "busybox", "top") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") out, err = d.Cmd("service", "create", "--detach", "--no-resolve-image", "--name", "top2", "--mode=global", "busybox", "top") assert.NilError(c, err, out) assert.Assert(c, strings.TrimSpace(out) != "") // make sure task has been deployed. waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 2) out, err = d.Cmd("service", "ls") assert.NilError(c, err, out) c.Assert(out, checker.Contains, "top1") c.Assert(out, checker.Contains, "top2") c.Assert(out, checker.Not(checker.Contains), "localnet") out, err = d.Cmd("service", "ls", "--filter", "mode=global") c.Assert(out, checker.Not(checker.Contains), "top1") c.Assert(out, checker.Contains, "top2") assert.NilError(c, err, out) out, err = d.Cmd("service", "ls", "--filter", "mode=replicated") assert.NilError(c, err, out) c.Assert(out, checker.Contains, "top1") c.Assert(out, checker.Not(checker.Contains), "top2") } func (s *DockerSwarmSuite) TestSwarmInitUnspecifiedDataPathAddr(c *check.C) { d := s.AddDaemon(c, false, false) out, err := d.Cmd("swarm", "init", "--data-path-addr", "0.0.0.0") assert.ErrorContains(c, err, "") c.Assert(out, checker.Contains, "data path address must be a non-zero IP") out, err = d.Cmd("swarm", "init", "--data-path-addr", "0.0.0.0:2000") assert.ErrorContains(c, err, "") c.Assert(out, checker.Contains, "data path address must be a non-zero IP") } func (s *DockerSwarmSuite) TestSwarmJoinLeave(c *check.C) { d := s.AddDaemon(c, true, true) out, err := d.Cmd("swarm", "join-token", "-q", "worker") assert.NilError(c, err) assert.Assert(c, strings.TrimSpace(out) != "") token := strings.TrimSpace(out) // Verify that back to back join/leave does not cause panics d1 := s.AddDaemon(c, false, false) for i := 0; i < 10; i++ { out, err = d1.Cmd("swarm", "join", "--token", token, d.SwarmListenAddr()) assert.NilError(c, err) assert.Assert(c, strings.TrimSpace(out) != "") _, err = d1.Cmd("swarm", "leave") assert.NilError(c, err) } } const defaultRetryCount = 10 func waitForEvent(c *check.C, d *daemon.Daemon, since string, filter string, event string, retry int) string { if retry < 1 { c.Fatalf("retry count %d is invalid. It should be no less than 1", retry) return "" } var out string for i := 0; i < retry; i++ { until := daemonUnixTime(c) var err error if len(filter) > 0 { out, err = d.Cmd("events", "--since", since, "--until", until, filter) } else { out, err = d.Cmd("events", "--since", since, "--until", until) } assert.NilError(c, err, out) if strings.Contains(out, event) { return strings.TrimSpace(out) } // no need to sleep after last retry if i < retry-1 { time.Sleep(200 * time.Millisecond) } } c.Fatalf("docker events output '%s' doesn't contain event '%s'", out, event) return "" } func (s *DockerSwarmSuite) TestSwarmClusterEventsSource(c *check.C) { d1 := s.AddDaemon(c, true, true) d2 := s.AddDaemon(c, true, true) d3 := s.AddDaemon(c, true, false) // create a network out, err := d1.Cmd("network", "create", "--attachable", "-d", "overlay", "foo") assert.NilError(c, err, out) networkID := strings.TrimSpace(out) c.Assert(networkID, checker.Not(checker.Equals), "") // d1, d2 are managers that can get swarm events waitForEvent(c, d1, "0", "-f scope=swarm", "network create "+networkID, defaultRetryCount) waitForEvent(c, d2, "0", "-f scope=swarm", "network create "+networkID, defaultRetryCount) // d3 is a worker, not able to get cluster events out = waitForEvent(c, d3, "0", "-f scope=swarm", "", 1) c.Assert(out, checker.Not(checker.Contains), "network create ") } func (s *DockerSwarmSuite) TestSwarmClusterEventsScope(c *check.C) { d := s.AddDaemon(c, true, true) // create a service out, err := d.Cmd("service", "create", "--no-resolve-image", "--name", "test", "--detach=false", "busybox", "top") assert.NilError(c, err, out) serviceID := strings.Split(out, "\n")[0] // scope swarm filters cluster events out = waitForEvent(c, d, "0", "-f scope=swarm", "service create "+serviceID, defaultRetryCount) c.Assert(out, checker.Not(checker.Contains), "container create ") // all events are returned if scope is not specified waitForEvent(c, d, "0", "", "service create "+serviceID, 1) waitForEvent(c, d, "0", "", "container create ", defaultRetryCount) // scope local only shows non-cluster events out = waitForEvent(c, d, "0", "-f scope=local", "container create ", 1) c.Assert(out, checker.Not(checker.Contains), "service create ") } func (s *DockerSwarmSuite) TestSwarmClusterEventsType(c *check.C) { d := s.AddDaemon(c, true, true) // create a service out, err := d.Cmd("service", "create", "--no-resolve-image", "--name", "test", "--detach=false", "busybox", "top") assert.NilError(c, err, out) serviceID := strings.Split(out, "\n")[0] // create a network out, err = d.Cmd("network", "create", "--attachable", "-d", "overlay", "foo") assert.NilError(c, err, out) networkID := strings.TrimSpace(out) c.Assert(networkID, checker.Not(checker.Equals), "") // filter by service out = waitForEvent(c, d, "0", "-f type=service", "service create "+serviceID, defaultRetryCount) c.Assert(out, checker.Not(checker.Contains), "network create") // filter by network out = waitForEvent(c, d, "0", "-f type=network", "network create "+networkID, defaultRetryCount) c.Assert(out, checker.Not(checker.Contains), "service create") } func (s *DockerSwarmSuite) TestSwarmClusterEventsService(c *check.C) { d := s.AddDaemon(c, true, true) // create a service out, err := d.Cmd("service", "create", "--no-resolve-image", "--name", "test", "--detach=false", "busybox", "top") assert.NilError(c, err, out) serviceID := strings.Split(out, "\n")[0] // validate service create event waitForEvent(c, d, "0", "-f scope=swarm", "service create "+serviceID, defaultRetryCount) t1 := daemonUnixTime(c) out, err = d.Cmd("service", "update", "--force", "--detach=false", "test") assert.NilError(c, err, out) // wait for service update start out = waitForEvent(c, d, t1, "-f scope=swarm", "service update "+serviceID, defaultRetryCount) c.Assert(out, checker.Contains, "updatestate.new=updating") // allow service update complete. This is a service with 1 instance time.Sleep(400 * time.Millisecond) out = waitForEvent(c, d, t1, "-f scope=swarm", "service update "+serviceID, defaultRetryCount) c.Assert(out, checker.Contains, "updatestate.new=completed, updatestate.old=updating") // scale service t2 := daemonUnixTime(c) out, err = d.Cmd("service", "scale", "test=3") assert.NilError(c, err, out) out = waitForEvent(c, d, t2, "-f scope=swarm", "service update "+serviceID, defaultRetryCount) c.Assert(out, checker.Contains, "replicas.new=3, replicas.old=1") // remove service t3 := daemonUnixTime(c) out, err = d.Cmd("service", "rm", "test") assert.NilError(c, err, out) waitForEvent(c, d, t3, "-f scope=swarm", "service remove "+serviceID, defaultRetryCount) } func (s *DockerSwarmSuite) TestSwarmClusterEventsNode(c *check.C) { d1 := s.AddDaemon(c, true, true) s.AddDaemon(c, true, true) d3 := s.AddDaemon(c, true, true) d3ID := d3.NodeID() waitForEvent(c, d1, "0", "-f scope=swarm", "node create "+d3ID, defaultRetryCount) t1 := daemonUnixTime(c) out, err := d1.Cmd("node", "update", "--availability=pause", d3ID) assert.NilError(c, err, out) // filter by type out = waitForEvent(c, d1, t1, "-f type=node", "node update "+d3ID, defaultRetryCount) c.Assert(out, checker.Contains, "availability.new=pause, availability.old=active") t2 := daemonUnixTime(c) out, err = d1.Cmd("node", "demote", d3ID) assert.NilError(c, err, out) waitForEvent(c, d1, t2, "-f type=node", "node update "+d3ID, defaultRetryCount) t3 := daemonUnixTime(c) out, err = d1.Cmd("node", "rm", "-f", d3ID) assert.NilError(c, err, out) // filter by scope waitForEvent(c, d1, t3, "-f scope=swarm", "node remove "+d3ID, defaultRetryCount) } func (s *DockerSwarmSuite) TestSwarmClusterEventsNetwork(c *check.C) { d := s.AddDaemon(c, true, true) // create a network out, err := d.Cmd("network", "create", "--attachable", "-d", "overlay", "foo") assert.NilError(c, err, out) networkID := strings.TrimSpace(out) waitForEvent(c, d, "0", "-f scope=swarm", "network create "+networkID, defaultRetryCount) // remove network t1 := daemonUnixTime(c) out, err = d.Cmd("network", "rm", "foo") assert.NilError(c, err, out) // filtered by network waitForEvent(c, d, t1, "-f type=network", "network remove "+networkID, defaultRetryCount) } func (s *DockerSwarmSuite) TestSwarmClusterEventsSecret(c *check.C) { d := s.AddDaemon(c, true, true) testName := "test_secret" id := d.CreateSecret(c, swarm.SecretSpec{ Annotations: swarm.Annotations{ Name: testName, }, Data: []byte("TESTINGDATA"), }) c.Assert(id, checker.Not(checker.Equals), "", check.Commentf("secrets: %s", id)) waitForEvent(c, d, "0", "-f scope=swarm", "secret create "+id, defaultRetryCount) t1 := daemonUnixTime(c) d.DeleteSecret(c, id) // filtered by secret waitForEvent(c, d, t1, "-f type=secret", "secret remove "+id, defaultRetryCount) } func (s *DockerSwarmSuite) TestSwarmClusterEventsConfig(c *check.C) { d := s.AddDaemon(c, true, true) testName := "test_config" id := d.CreateConfig(c, swarm.ConfigSpec{ Annotations: swarm.Annotations{ Name: testName, }, Data: []byte("TESTINGDATA"), }) c.Assert(id, checker.Not(checker.Equals), "", check.Commentf("configs: %s", id)) waitForEvent(c, d, "0", "-f scope=swarm", "config create "+id, defaultRetryCount) t1 := daemonUnixTime(c) d.DeleteConfig(c, id) // filtered by config waitForEvent(c, d, t1, "-f type=config", "config remove "+id, defaultRetryCount) } func getUnlockKey(d *daemon.Daemon, c *check.C, autolockOutput string) string { unlockKey, err := d.Cmd("swarm", "unlock-key", "-q") c.Assert(err, checker.IsNil, check.Commentf("%s", unlockKey)) unlockKey = strings.TrimSuffix(unlockKey, "\n") // Check that "docker swarm init --autolock" or "docker swarm update --autolock" // contains all the expected strings, including the unlock key c.Assert(autolockOutput, checker.Contains, "docker swarm unlock") c.Assert(autolockOutput, checker.Contains, unlockKey) return unlockKey }