// +build daemon,!windows package main import ( "bytes" "encoding/json" "fmt" "io" "io/ioutil" "net" "os" "os/exec" "path" "path/filepath" "regexp" "strconv" "strings" "sync" "syscall" "time" "github.com/docker/docker/pkg/integration/checker" "github.com/docker/go-units" "github.com/docker/libnetwork/iptables" "github.com/docker/libtrust" "github.com/go-check/check" "github.com/kr/pty" ) func (s *DockerDaemonSuite) TestDaemonRestartWithRunningContainersPorts(c *check.C) { if err := s.d.StartWithBusybox(); err != nil { c.Fatalf("Could not start daemon with busybox: %v", err) } if out, err := s.d.Cmd("run", "-d", "--name", "top1", "-p", "1234:80", "--restart", "always", "busybox:latest", "top"); err != nil { c.Fatalf("Could not run top1: err=%v\n%s", err, out) } // --restart=no by default if out, err := s.d.Cmd("run", "-d", "--name", "top2", "-p", "80", "busybox:latest", "top"); err != nil { c.Fatalf("Could not run top2: err=%v\n%s", err, out) } testRun := func(m map[string]bool, prefix string) { var format string for cont, shouldRun := range m { out, err := s.d.Cmd("ps") if err != nil { c.Fatalf("Could not run ps: err=%v\n%q", err, out) } if shouldRun { format = "%scontainer %q is not running" } else { format = "%scontainer %q is running" } if shouldRun != strings.Contains(out, cont) { c.Fatalf(format, prefix, cont) } } } testRun(map[string]bool{"top1": true, "top2": true}, "") if err := s.d.Restart(); err != nil { c.Fatalf("Could not restart daemon: %v", err) } testRun(map[string]bool{"top1": true, "top2": false}, "After daemon restart: ") } func (s *DockerDaemonSuite) TestDaemonRestartWithVolumesRefs(c *check.C) { if err := s.d.StartWithBusybox(); err != nil { c.Fatal(err) } if out, err := s.d.Cmd("run", "--name", "volrestarttest1", "-v", "/foo", "busybox"); err != nil { c.Fatal(err, out) } if err := s.d.Restart(); err != nil { c.Fatal(err) } if _, err := s.d.Cmd("run", "-d", "--volumes-from", "volrestarttest1", "--name", "volrestarttest2", "busybox", "top"); err != nil { c.Fatal(err) } if out, err := s.d.Cmd("rm", "-fv", "volrestarttest2"); err != nil { c.Fatal(err, out) } out, err := s.d.Cmd("inspect", "-f", "{{json .Mounts}}", "volrestarttest1") c.Assert(err, check.IsNil) if _, err := inspectMountPointJSON(out, "/foo"); err != nil { c.Fatalf("Expected volume to exist: /foo, error: %v\n", err) } } // #11008 func (s *DockerDaemonSuite) TestDaemonRestartUnlessStopped(c *check.C) { err := s.d.StartWithBusybox() c.Assert(err, check.IsNil) out, err := s.d.Cmd("run", "-d", "--name", "top1", "--restart", "always", "busybox:latest", "top") c.Assert(err, check.IsNil, check.Commentf("run top1: %v", out)) out, err = s.d.Cmd("run", "-d", "--name", "top2", "--restart", "unless-stopped", "busybox:latest", "top") c.Assert(err, check.IsNil, check.Commentf("run top2: %v", out)) testRun := func(m map[string]bool, prefix string) { var format string for name, shouldRun := range m { out, err := s.d.Cmd("ps") c.Assert(err, check.IsNil, check.Commentf("run ps: %v", out)) if shouldRun { format = "%scontainer %q is not running" } else { format = "%scontainer %q is running" } c.Assert(strings.Contains(out, name), check.Equals, shouldRun, check.Commentf(format, prefix, name)) } } // both running testRun(map[string]bool{"top1": true, "top2": true}, "") out, err = s.d.Cmd("stop", "top1") c.Assert(err, check.IsNil, check.Commentf(out)) out, err = s.d.Cmd("stop", "top2") c.Assert(err, check.IsNil, check.Commentf(out)) // both stopped testRun(map[string]bool{"top1": false, "top2": false}, "") err = s.d.Restart() c.Assert(err, check.IsNil) // restart=always running testRun(map[string]bool{"top1": true, "top2": false}, "After daemon restart: ") out, err = s.d.Cmd("start", "top2") c.Assert(err, check.IsNil, check.Commentf("start top2: %v", out)) err = s.d.Restart() c.Assert(err, check.IsNil) // both running testRun(map[string]bool{"top1": true, "top2": true}, "After second daemon restart: ") } func (s *DockerDaemonSuite) TestDaemonStartIptablesFalse(c *check.C) { if err := s.d.Start("--iptables=false"); err != nil { c.Fatalf("we should have been able to start the daemon with passing iptables=false: %v", err) } } // Make sure we cannot shrink base device at daemon restart. func (s *DockerDaemonSuite) TestDaemonRestartWithInvalidBasesize(c *check.C) { testRequires(c, Devicemapper) c.Assert(s.d.Start(), check.IsNil) oldBasesizeBytes := s.d.getBaseDeviceSize(c) var newBasesizeBytes int64 = 1073741824 //1GB in bytes if newBasesizeBytes < oldBasesizeBytes { err := s.d.Restart("--storage-opt", fmt.Sprintf("dm.basesize=%d", newBasesizeBytes)) c.Assert(err, check.IsNil, check.Commentf("daemon should not have started as new base device size is less than existing base device size: %v", err)) } c.Assert(s.d.Stop(), check.IsNil) } // Make sure we can grow base device at daemon restart. func (s *DockerDaemonSuite) TestDaemonRestartWithIncreasedBasesize(c *check.C) { testRequires(c, Devicemapper) c.Assert(s.d.Start(), check.IsNil) oldBasesizeBytes := s.d.getBaseDeviceSize(c) var newBasesizeBytes int64 = 53687091200 //50GB in bytes if newBasesizeBytes < oldBasesizeBytes { c.Skip(fmt.Sprintf("New base device size (%v) must be greater than (%s)", units.HumanSize(float64(newBasesizeBytes)), units.HumanSize(float64(oldBasesizeBytes)))) } err := s.d.Restart("--storage-opt", fmt.Sprintf("dm.basesize=%d", newBasesizeBytes)) c.Assert(err, check.IsNil, check.Commentf("we should have been able to start the daemon with increased base device size: %v", err)) basesizeAfterRestart := s.d.getBaseDeviceSize(c) newBasesize, err := convertBasesize(newBasesizeBytes) c.Assert(err, check.IsNil, check.Commentf("Error in converting base device size: %v", err)) c.Assert(newBasesize, check.Equals, basesizeAfterRestart, check.Commentf("Basesize passed is not equal to Basesize set")) c.Assert(s.d.Stop(), check.IsNil) } // Issue #8444: If docker0 bridge is modified (intentionally or unintentionally) and // no longer has an IP associated, we should gracefully handle that case and associate // an IP with it rather than fail daemon start func (s *DockerDaemonSuite) TestDaemonStartBridgeWithoutIPAssociation(c *check.C) { // rather than depending on brctl commands to verify docker0 is created and up // let's start the daemon and stop it, and then make a modification to run the // actual test if err := s.d.Start(); err != nil { c.Fatalf("Could not start daemon: %v", err) } if err := s.d.Stop(); err != nil { c.Fatalf("Could not stop daemon: %v", err) } // now we will remove the ip from docker0 and then try starting the daemon ipCmd := exec.Command("ip", "addr", "flush", "dev", "docker0") stdout, stderr, _, err := runCommandWithStdoutStderr(ipCmd) if err != nil { c.Fatalf("failed to remove docker0 IP association: %v, stdout: %q, stderr: %q", err, stdout, stderr) } if err := s.d.Start(); err != nil { warning := "**WARNING: Docker bridge network in bad state--delete docker0 bridge interface to fix" c.Fatalf("Could not start daemon when docker0 has no IP address: %v\n%s", err, warning) } } func (s *DockerDaemonSuite) TestDaemonIptablesClean(c *check.C) { if err := s.d.StartWithBusybox(); err != nil { c.Fatalf("Could not start daemon with busybox: %v", err) } if out, err := s.d.Cmd("run", "-d", "--name", "top", "-p", "80", "busybox:latest", "top"); err != nil { c.Fatalf("Could not run top: %s, %v", out, err) } // get output from iptables with container running ipTablesSearchString := "tcp dpt:80" ipTablesCmd := exec.Command("iptables", "-nvL") out, _, err := runCommandWithOutput(ipTablesCmd) if err != nil { c.Fatalf("Could not run iptables -nvL: %s, %v", out, err) } if !strings.Contains(out, ipTablesSearchString) { c.Fatalf("iptables output should have contained %q, but was %q", ipTablesSearchString, out) } if err := s.d.Stop(); err != nil { c.Fatalf("Could not stop daemon: %v", err) } // get output from iptables after restart ipTablesCmd = exec.Command("iptables", "-nvL") out, _, err = runCommandWithOutput(ipTablesCmd) if err != nil { c.Fatalf("Could not run iptables -nvL: %s, %v", out, err) } if strings.Contains(out, ipTablesSearchString) { c.Fatalf("iptables output should not have contained %q, but was %q", ipTablesSearchString, out) } } func (s *DockerDaemonSuite) TestDaemonIptablesCreate(c *check.C) { if err := s.d.StartWithBusybox(); err != nil { c.Fatalf("Could not start daemon with busybox: %v", err) } if out, err := s.d.Cmd("run", "-d", "--name", "top", "--restart=always", "-p", "80", "busybox:latest", "top"); err != nil { c.Fatalf("Could not run top: %s, %v", out, err) } // get output from iptables with container running ipTablesSearchString := "tcp dpt:80" ipTablesCmd := exec.Command("iptables", "-nvL") out, _, err := runCommandWithOutput(ipTablesCmd) if err != nil { c.Fatalf("Could not run iptables -nvL: %s, %v", out, err) } if !strings.Contains(out, ipTablesSearchString) { c.Fatalf("iptables output should have contained %q, but was %q", ipTablesSearchString, out) } if err := s.d.Restart(); err != nil { c.Fatalf("Could not restart daemon: %v", err) } // make sure the container is not running runningOut, err := s.d.Cmd("inspect", "--format='{{.State.Running}}'", "top") if err != nil { c.Fatalf("Could not inspect on container: %s, %v", out, err) } if strings.TrimSpace(runningOut) != "true" { c.Fatalf("Container should have been restarted after daemon restart. Status running should have been true but was: %q", strings.TrimSpace(runningOut)) } // get output from iptables after restart ipTablesCmd = exec.Command("iptables", "-nvL") out, _, err = runCommandWithOutput(ipTablesCmd) if err != nil { c.Fatalf("Could not run iptables -nvL: %s, %v", out, err) } if !strings.Contains(out, ipTablesSearchString) { c.Fatalf("iptables output after restart should have contained %q, but was %q", ipTablesSearchString, out) } } // TestDaemonIPv6Enabled checks that when the daemon is started with --ipv6=true that the docker0 bridge // has the fe80::1 address and that a container is assigned a link-local address func (s *DockerSuite) TestDaemonIPv6Enabled(c *check.C) { testRequires(c, IPv6) if err := setupV6(); err != nil { c.Fatal("Could not set up host for IPv6 tests") } d := NewDaemon(c) if err := d.StartWithBusybox("--ipv6"); err != nil { c.Fatal(err) } defer d.Stop() iface, err := net.InterfaceByName("docker0") if err != nil { c.Fatalf("Error getting docker0 interface: %v", err) } addrs, err := iface.Addrs() if err != nil { c.Fatalf("Error getting addresses for docker0 interface: %v", err) } var found bool expected := "fe80::1/64" for i := range addrs { if addrs[i].String() == expected { found = true } } if !found { c.Fatalf("Bridge does not have an IPv6 Address") } if out, err := d.Cmd("run", "-itd", "--name=ipv6test", "busybox:latest"); err != nil { c.Fatalf("Could not run container: %s, %v", out, err) } out, err := d.Cmd("inspect", "--format", "'{{.NetworkSettings.Networks.bridge.LinkLocalIPv6Address}}'", "ipv6test") out = strings.Trim(out, " \r\n'") if err != nil { c.Fatalf("Error inspecting container: %s, %v", out, err) } if ip := net.ParseIP(out); ip == nil { c.Fatalf("Container should have a link-local IPv6 address") } out, err = d.Cmd("inspect", "--format", "'{{.NetworkSettings.Networks.bridge.GlobalIPv6Address}}'", "ipv6test") out = strings.Trim(out, " \r\n'") if err != nil { c.Fatalf("Error inspecting container: %s, %v", out, err) } if ip := net.ParseIP(out); ip != nil { c.Fatalf("Container should not have a global IPv6 address: %v", out) } if err := teardownV6(); err != nil { c.Fatal("Could not perform teardown for IPv6 tests") } } // TestDaemonIPv6FixedCIDR checks that when the daemon is started with --ipv6=true and a fixed CIDR // that running containers are given a link-local and global IPv6 address func (s *DockerDaemonSuite) TestDaemonIPv6FixedCIDR(c *check.C) { // IPv6 setup is messing with local bridge address. testRequires(c, SameHostDaemon) err := setupV6() c.Assert(err, checker.IsNil, check.Commentf("Could not set up host for IPv6 tests")) err = s.d.StartWithBusybox("--ipv6", "--fixed-cidr-v6='2001:db8:2::/64'", "--default-gateway-v6='2001:db8:2::100'") c.Assert(err, checker.IsNil, check.Commentf("Could not start daemon with busybox: %v", err)) out, err := s.d.Cmd("run", "-itd", "--name=ipv6test", "busybox:latest") c.Assert(err, checker.IsNil, check.Commentf("Could not run container: %s, %v", out, err)) out, err = s.d.Cmd("inspect", "--format", "'{{.NetworkSettings.Networks.bridge.GlobalIPv6Address}}'", "ipv6test") out = strings.Trim(out, " \r\n'") c.Assert(err, checker.IsNil, check.Commentf(out)) ip := net.ParseIP(out) c.Assert(ip, checker.NotNil, check.Commentf("Container should have a global IPv6 address")) out, err = s.d.Cmd("inspect", "--format", "'{{.NetworkSettings.Networks.bridge.IPv6Gateway}}'", "ipv6test") c.Assert(err, checker.IsNil, check.Commentf(out)) c.Assert(strings.Trim(out, " \r\n'"), checker.Equals, "2001:db8:2::100", check.Commentf("Container should have a global IPv6 gateway")) err = teardownV6() c.Assert(err, checker.IsNil, check.Commentf("Could not perform teardown for IPv6 tests")) } // TestDaemonIPv6FixedCIDRAndMac checks that when the daemon is started with ipv6 fixed CIDR // the running containers are given a an IPv6 address derived from the MAC address and the ipv6 fixed CIDR func (s *DockerDaemonSuite) TestDaemonIPv6FixedCIDRAndMac(c *check.C) { // IPv6 setup is messing with local bridge address. testRequires(c, SameHostDaemon) err := setupV6() c.Assert(err, checker.IsNil) err = s.d.StartWithBusybox("--ipv6", "--fixed-cidr-v6='2001:db8:1::/64'") c.Assert(err, checker.IsNil) out, err := s.d.Cmd("run", "-itd", "--name=ipv6test", "--mac-address", "AA:BB:CC:DD:EE:FF", "busybox") c.Assert(err, checker.IsNil) out, err = s.d.Cmd("inspect", "--format", "'{{.NetworkSettings.Networks.bridge.GlobalIPv6Address}}'", "ipv6test") c.Assert(err, checker.IsNil) c.Assert(strings.Trim(out, " \r\n'"), checker.Equals, "2001:db8:1::aabb:ccdd:eeff") err = teardownV6() c.Assert(err, checker.IsNil) } func (s *DockerDaemonSuite) TestDaemonLogLevelWrong(c *check.C) { c.Assert(s.d.Start("--log-level=bogus"), check.NotNil, check.Commentf("Daemon shouldn't start with wrong log level")) } func (s *DockerSuite) TestDaemonStartWithDaemonCommand(c *check.C) { type kind int const ( common kind = iota daemon ) var flags = []map[kind][]string{ {common: {"-l", "info"}, daemon: {"--selinux-enabled"}}, {common: {"-D"}, daemon: {"--selinux-enabled", "-r"}}, {common: {"-D"}, daemon: {"--restart"}}, {common: {"--debug"}, daemon: {"--log-driver=json-file", "--log-opt=max-size=1k"}}, } var invalidGlobalFlags = [][]string{ //Invalid because you cannot pass daemon flags as global flags. {"--selinux-enabled", "-l", "info"}, {"-D", "-r"}, {"--config", "/tmp"}, } // `docker daemon -l info --selinux-enabled` // should NOT error out for _, f := range flags { d := NewDaemon(c) args := append(f[common], f[daemon]...) if err := d.Start(args...); err != nil { c.Fatalf("Daemon should have started successfully with %v: %v", args, err) } d.Stop() } // `docker -l info daemon --selinux-enabled` // should error out for _, f := range flags { d := NewDaemon(c) d.GlobalFlags = f[common] if err := d.Start(f[daemon]...); err == nil { d.Stop() c.Fatalf("Daemon should have failed to start with docker %v daemon %v", d.GlobalFlags, f[daemon]) } } for _, f := range invalidGlobalFlags { cmd := exec.Command(dockerBinary, append(f, "daemon")...) errch := make(chan error) var err error go func() { errch <- cmd.Run() }() select { case <-time.After(time.Second): cmd.Process.Kill() case err = <-errch: } if err == nil { c.Fatalf("Daemon should have failed to start with docker %v daemon", f) } } } func (s *DockerDaemonSuite) TestDaemonLogLevelDebug(c *check.C) { if err := s.d.Start("--log-level=debug"); err != nil { c.Fatal(err) } content, _ := ioutil.ReadFile(s.d.logFile.Name()) if !strings.Contains(string(content), `level=debug`) { c.Fatalf(`Missing level="debug" in log file:\n%s`, string(content)) } } func (s *DockerDaemonSuite) TestDaemonLogLevelFatal(c *check.C) { // we creating new daemons to create new logFile if err := s.d.Start("--log-level=fatal"); err != nil { c.Fatal(err) } content, _ := ioutil.ReadFile(s.d.logFile.Name()) if strings.Contains(string(content), `level=debug`) { c.Fatalf(`Should not have level="debug" in log file:\n%s`, string(content)) } } func (s *DockerDaemonSuite) TestDaemonFlagD(c *check.C) { if err := s.d.Start("-D"); err != nil { c.Fatal(err) } content, _ := ioutil.ReadFile(s.d.logFile.Name()) if !strings.Contains(string(content), `level=debug`) { c.Fatalf(`Should have level="debug" in log file using -D:\n%s`, string(content)) } } func (s *DockerDaemonSuite) TestDaemonFlagDebug(c *check.C) { if err := s.d.Start("--debug"); err != nil { c.Fatal(err) } content, _ := ioutil.ReadFile(s.d.logFile.Name()) if !strings.Contains(string(content), `level=debug`) { c.Fatalf(`Should have level="debug" in log file using --debug:\n%s`, string(content)) } } func (s *DockerDaemonSuite) TestDaemonFlagDebugLogLevelFatal(c *check.C) { if err := s.d.Start("--debug", "--log-level=fatal"); err != nil { c.Fatal(err) } content, _ := ioutil.ReadFile(s.d.logFile.Name()) if !strings.Contains(string(content), `level=debug`) { c.Fatalf(`Should have level="debug" in log file when using both --debug and --log-level=fatal:\n%s`, string(content)) } } func (s *DockerDaemonSuite) TestDaemonAllocatesListeningPort(c *check.C) { listeningPorts := [][]string{ {"0.0.0.0", "0.0.0.0", "5678"}, {"127.0.0.1", "127.0.0.1", "1234"}, {"localhost", "127.0.0.1", "1235"}, } cmdArgs := make([]string, 0, len(listeningPorts)*2) for _, hostDirective := range listeningPorts { cmdArgs = append(cmdArgs, "--host", fmt.Sprintf("tcp://%s:%s", hostDirective[0], hostDirective[2])) } if err := s.d.StartWithBusybox(cmdArgs...); err != nil { c.Fatalf("Could not start daemon with busybox: %v", err) } for _, hostDirective := range listeningPorts { output, err := s.d.Cmd("run", "-p", fmt.Sprintf("%s:%s:80", hostDirective[1], hostDirective[2]), "busybox", "true") if err == nil { c.Fatalf("Container should not start, expected port already allocated error: %q", output) } else if !strings.Contains(output, "port is already allocated") { c.Fatalf("Expected port is already allocated error: %q", output) } } } func (s *DockerDaemonSuite) TestDaemonKeyGeneration(c *check.C) { // TODO: skip or update for Windows daemon os.Remove("/etc/docker/key.json") if err := s.d.Start(); err != nil { c.Fatalf("Could not start daemon: %v", err) } s.d.Stop() k, err := libtrust.LoadKeyFile("/etc/docker/key.json") if err != nil { c.Fatalf("Error opening key file") } kid := k.KeyID() // Test Key ID is a valid fingerprint (e.g. QQXN:JY5W:TBXI:MK3X:GX6P:PD5D:F56N:NHCS:LVRZ:JA46:R24J:XEFF) if len(kid) != 59 { c.Fatalf("Bad key ID: %s", kid) } } func (s *DockerDaemonSuite) TestDaemonKeyMigration(c *check.C) { // TODO: skip or update for Windows daemon os.Remove("/etc/docker/key.json") k1, err := libtrust.GenerateECP256PrivateKey() if err != nil { c.Fatalf("Error generating private key: %s", err) } if err := os.MkdirAll(filepath.Join(os.Getenv("HOME"), ".docker"), 0755); err != nil { c.Fatalf("Error creating .docker directory: %s", err) } if err := libtrust.SaveKey(filepath.Join(os.Getenv("HOME"), ".docker", "key.json"), k1); err != nil { c.Fatalf("Error saving private key: %s", err) } if err := s.d.Start(); err != nil { c.Fatalf("Could not start daemon: %v", err) } s.d.Stop() k2, err := libtrust.LoadKeyFile("/etc/docker/key.json") if err != nil { c.Fatalf("Error opening key file") } if k1.KeyID() != k2.KeyID() { c.Fatalf("Key not migrated") } } // GH#11320 - verify that the daemon exits on failure properly // Note that this explicitly tests the conflict of {-b,--bridge} and {--bip} options as the means // to get a daemon init failure; no other tests for -b/--bip conflict are therefore required func (s *DockerDaemonSuite) TestDaemonExitOnFailure(c *check.C) { //attempt to start daemon with incorrect flags (we know -b and --bip conflict) if err := s.d.Start("--bridge", "nosuchbridge", "--bip", "1.1.1.1"); err != nil { //verify we got the right error if !strings.Contains(err.Error(), "Daemon exited and never started") { c.Fatalf("Expected daemon not to start, got %v", err) } // look in the log and make sure we got the message that daemon is shutting down runCmd := exec.Command("grep", "Error starting daemon", s.d.LogFileName()) if out, _, err := runCommandWithOutput(runCmd); err != nil { c.Fatalf("Expected 'Error starting daemon' message; but doesn't exist in log: %q, err: %v", out, err) } } else { //if we didn't get an error and the daemon is running, this is a failure c.Fatal("Conflicting options should cause the daemon to error out with a failure") } } func (s *DockerDaemonSuite) TestDaemonBridgeExternal(c *check.C) { d := s.d err := d.Start("--bridge", "nosuchbridge") c.Assert(err, check.NotNil, check.Commentf("--bridge option with an invalid bridge should cause the daemon to fail")) defer d.Restart() bridgeName := "external-bridge" bridgeIP := "192.169.1.1/24" _, bridgeIPNet, _ := net.ParseCIDR(bridgeIP) out, err := createInterface(c, "bridge", bridgeName, bridgeIP) c.Assert(err, check.IsNil, check.Commentf(out)) defer deleteInterface(c, bridgeName) err = d.StartWithBusybox("--bridge", bridgeName) c.Assert(err, check.IsNil) ipTablesSearchString := bridgeIPNet.String() ipTablesCmd := exec.Command("iptables", "-t", "nat", "-nvL") out, _, err = runCommandWithOutput(ipTablesCmd) c.Assert(err, check.IsNil) c.Assert(strings.Contains(out, ipTablesSearchString), check.Equals, true, check.Commentf("iptables output should have contained %q, but was %q", ipTablesSearchString, out)) _, err = d.Cmd("run", "-d", "--name", "ExtContainer", "busybox", "top") c.Assert(err, check.IsNil) containerIP := d.findContainerIP("ExtContainer") ip := net.ParseIP(containerIP) c.Assert(bridgeIPNet.Contains(ip), check.Equals, true, check.Commentf("Container IP-Address must be in the same subnet range : %s", containerIP)) } func createInterface(c *check.C, ifType string, ifName string, ipNet string) (string, error) { args := []string{"link", "add", "name", ifName, "type", ifType} ipLinkCmd := exec.Command("ip", args...) out, _, err := runCommandWithOutput(ipLinkCmd) if err != nil { return out, err } ifCfgCmd := exec.Command("ifconfig", ifName, ipNet, "up") out, _, err = runCommandWithOutput(ifCfgCmd) return out, err } func deleteInterface(c *check.C, ifName string) { ifCmd := exec.Command("ip", "link", "delete", ifName) out, _, err := runCommandWithOutput(ifCmd) c.Assert(err, check.IsNil, check.Commentf(out)) flushCmd := exec.Command("iptables", "-t", "nat", "--flush") out, _, err = runCommandWithOutput(flushCmd) c.Assert(err, check.IsNil, check.Commentf(out)) flushCmd = exec.Command("iptables", "--flush") out, _, err = runCommandWithOutput(flushCmd) c.Assert(err, check.IsNil, check.Commentf(out)) } func (s *DockerDaemonSuite) TestDaemonBridgeIP(c *check.C) { // TestDaemonBridgeIP Steps // 1. Delete the existing docker0 Bridge // 2. Set --bip daemon configuration and start the new Docker Daemon // 3. Check if the bip config has taken effect using ifconfig and iptables commands // 4. Launch a Container and make sure the IP-Address is in the expected subnet // 5. Delete the docker0 Bridge // 6. Restart the Docker Daemon (via deferred action) // This Restart takes care of bringing docker0 interface back to auto-assigned IP defaultNetworkBridge := "docker0" deleteInterface(c, defaultNetworkBridge) d := s.d bridgeIP := "192.169.1.1/24" ip, bridgeIPNet, _ := net.ParseCIDR(bridgeIP) err := d.StartWithBusybox("--bip", bridgeIP) c.Assert(err, check.IsNil) defer d.Restart() ifconfigSearchString := ip.String() ifconfigCmd := exec.Command("ifconfig", defaultNetworkBridge) out, _, _, err := runCommandWithStdoutStderr(ifconfigCmd) c.Assert(err, check.IsNil) c.Assert(strings.Contains(out, ifconfigSearchString), check.Equals, true, check.Commentf("ifconfig output should have contained %q, but was %q", ifconfigSearchString, out)) ipTablesSearchString := bridgeIPNet.String() ipTablesCmd := exec.Command("iptables", "-t", "nat", "-nvL") out, _, err = runCommandWithOutput(ipTablesCmd) c.Assert(err, check.IsNil) c.Assert(strings.Contains(out, ipTablesSearchString), check.Equals, true, check.Commentf("iptables output should have contained %q, but was %q", ipTablesSearchString, out)) out, err = d.Cmd("run", "-d", "--name", "test", "busybox", "top") c.Assert(err, check.IsNil) containerIP := d.findContainerIP("test") ip = net.ParseIP(containerIP) c.Assert(bridgeIPNet.Contains(ip), check.Equals, true, check.Commentf("Container IP-Address must be in the same subnet range : %s", containerIP)) deleteInterface(c, defaultNetworkBridge) } func (s *DockerDaemonSuite) TestDaemonRestartWithBridgeIPChange(c *check.C) { if err := s.d.Start(); err != nil { c.Fatalf("Could not start daemon: %v", err) } defer s.d.Restart() if err := s.d.Stop(); err != nil { c.Fatalf("Could not stop daemon: %v", err) } // now we will change the docker0's IP and then try starting the daemon bridgeIP := "192.169.100.1/24" _, bridgeIPNet, _ := net.ParseCIDR(bridgeIP) ipCmd := exec.Command("ifconfig", "docker0", bridgeIP) stdout, stderr, _, err := runCommandWithStdoutStderr(ipCmd) if err != nil { c.Fatalf("failed to change docker0's IP association: %v, stdout: %q, stderr: %q", err, stdout, stderr) } if err := s.d.Start("--bip", bridgeIP); err != nil { c.Fatalf("Could not start daemon: %v", err) } //check if the iptables contains new bridgeIP MASQUERADE rule ipTablesSearchString := bridgeIPNet.String() ipTablesCmd := exec.Command("iptables", "-t", "nat", "-nvL") out, _, err := runCommandWithOutput(ipTablesCmd) if err != nil { c.Fatalf("Could not run iptables -nvL: %s, %v", out, err) } if !strings.Contains(out, ipTablesSearchString) { c.Fatalf("iptables output should have contained new MASQUERADE rule with IP %q, but was %q", ipTablesSearchString, out) } } func (s *DockerDaemonSuite) TestDaemonBridgeFixedCidr(c *check.C) { d := s.d bridgeName := "external-bridge" bridgeIP := "192.169.1.1/24" out, err := createInterface(c, "bridge", bridgeName, bridgeIP) c.Assert(err, check.IsNil, check.Commentf(out)) defer deleteInterface(c, bridgeName) args := []string{"--bridge", bridgeName, "--fixed-cidr", "192.169.1.0/30"} err = d.StartWithBusybox(args...) c.Assert(err, check.IsNil) defer d.Restart() for i := 0; i < 4; i++ { cName := "Container" + strconv.Itoa(i) out, err := d.Cmd("run", "-d", "--name", cName, "busybox", "top") if err != nil { c.Assert(strings.Contains(out, "no available IPv4 addresses"), check.Equals, true, check.Commentf("Could not run a Container : %s %s", err.Error(), out)) } } } func (s *DockerDaemonSuite) TestDaemonBridgeFixedCidr2(c *check.C) { d := s.d bridgeName := "external-bridge" bridgeIP := "10.2.2.1/16" out, err := createInterface(c, "bridge", bridgeName, bridgeIP) c.Assert(err, check.IsNil, check.Commentf(out)) defer deleteInterface(c, bridgeName) err = d.StartWithBusybox("--bip", bridgeIP, "--fixed-cidr", "10.2.2.0/24") c.Assert(err, check.IsNil) defer s.d.Restart() out, err = d.Cmd("run", "-d", "--name", "bb", "busybox", "top") c.Assert(err, checker.IsNil, check.Commentf(out)) defer d.Cmd("stop", "bb") out, err = d.Cmd("exec", "bb", "/bin/sh", "-c", "ifconfig eth0 | awk '/inet addr/{print substr($2,6)}'") c.Assert(out, checker.Equals, "10.2.2.0\n") out, err = d.Cmd("run", "--rm", "busybox", "/bin/sh", "-c", "ifconfig eth0 | awk '/inet addr/{print substr($2,6)}'") c.Assert(err, checker.IsNil, check.Commentf(out)) c.Assert(out, checker.Equals, "10.2.2.2\n") } func (s *DockerDaemonSuite) TestDaemonBridgeFixedCIDREqualBridgeNetwork(c *check.C) { d := s.d bridgeName := "external-bridge" bridgeIP := "172.27.42.1/16" out, err := createInterface(c, "bridge", bridgeName, bridgeIP) c.Assert(err, check.IsNil, check.Commentf(out)) defer deleteInterface(c, bridgeName) err = d.StartWithBusybox("--bridge", bridgeName, "--fixed-cidr", bridgeIP) c.Assert(err, check.IsNil) defer s.d.Restart() out, err = d.Cmd("run", "-d", "busybox", "top") c.Assert(err, check.IsNil, check.Commentf(out)) cid1 := strings.TrimSpace(out) defer d.Cmd("stop", cid1) } func (s *DockerDaemonSuite) TestDaemonDefaultGatewayIPv4Implicit(c *check.C) { defaultNetworkBridge := "docker0" deleteInterface(c, defaultNetworkBridge) d := s.d bridgeIP := "192.169.1.1" bridgeIPNet := fmt.Sprintf("%s/24", bridgeIP) err := d.StartWithBusybox("--bip", bridgeIPNet) c.Assert(err, check.IsNil) defer d.Restart() expectedMessage := fmt.Sprintf("default via %s dev", bridgeIP) out, err := d.Cmd("run", "busybox", "ip", "-4", "route", "list", "0/0") c.Assert(strings.Contains(out, expectedMessage), check.Equals, true, check.Commentf("Implicit default gateway should be bridge IP %s, but default route was '%s'", bridgeIP, strings.TrimSpace(out))) deleteInterface(c, defaultNetworkBridge) } func (s *DockerDaemonSuite) TestDaemonDefaultGatewayIPv4Explicit(c *check.C) { defaultNetworkBridge := "docker0" deleteInterface(c, defaultNetworkBridge) d := s.d bridgeIP := "192.169.1.1" bridgeIPNet := fmt.Sprintf("%s/24", bridgeIP) gatewayIP := "192.169.1.254" err := d.StartWithBusybox("--bip", bridgeIPNet, "--default-gateway", gatewayIP) c.Assert(err, check.IsNil) defer d.Restart() expectedMessage := fmt.Sprintf("default via %s dev", gatewayIP) out, err := d.Cmd("run", "busybox", "ip", "-4", "route", "list", "0/0") c.Assert(strings.Contains(out, expectedMessage), check.Equals, true, check.Commentf("Explicit default gateway should be %s, but default route was '%s'", gatewayIP, strings.TrimSpace(out))) deleteInterface(c, defaultNetworkBridge) } func (s *DockerDaemonSuite) TestDaemonDefaultGatewayIPv4ExplicitOutsideContainerSubnet(c *check.C) { defaultNetworkBridge := "docker0" deleteInterface(c, defaultNetworkBridge) // Program a custom default gateway outside of the container subnet, daemon should accept it and start err := s.d.StartWithBusybox("--bip", "172.16.0.10/16", "--fixed-cidr", "172.16.1.0/24", "--default-gateway", "172.16.0.254") c.Assert(err, check.IsNil) deleteInterface(c, defaultNetworkBridge) s.d.Restart() } func (s *DockerDaemonSuite) TestDaemonDefaultNetworkInvalidClusterConfig(c *check.C) { testRequires(c, DaemonIsLinux, SameHostDaemon) // Start daemon without docker0 bridge defaultNetworkBridge := "docker0" deleteInterface(c, defaultNetworkBridge) d := NewDaemon(c) discoveryBackend := "consul://consuladdr:consulport/some/path" err := d.Start(fmt.Sprintf("--cluster-store=%s", discoveryBackend)) c.Assert(err, checker.IsNil) // Start daemon with docker0 bridge ifconfigCmd := exec.Command("ifconfig", defaultNetworkBridge) _, err = runCommand(ifconfigCmd) c.Assert(err, check.IsNil) err = d.Restart(fmt.Sprintf("--cluster-store=%s", discoveryBackend)) c.Assert(err, checker.IsNil) d.Stop() } func (s *DockerDaemonSuite) TestDaemonIP(c *check.C) { d := s.d ipStr := "192.170.1.1/24" ip, _, _ := net.ParseCIDR(ipStr) args := []string{"--ip", ip.String()} err := d.StartWithBusybox(args...) c.Assert(err, check.IsNil) defer d.Restart() out, err := d.Cmd("run", "-d", "-p", "8000:8000", "busybox", "top") c.Assert(err, check.NotNil, check.Commentf("Running a container must fail with an invalid --ip option")) c.Assert(strings.Contains(out, "Error starting userland proxy"), check.Equals, true) ifName := "dummy" out, err = createInterface(c, "dummy", ifName, ipStr) c.Assert(err, check.IsNil, check.Commentf(out)) defer deleteInterface(c, ifName) _, err = d.Cmd("run", "-d", "-p", "8000:8000", "busybox", "top") c.Assert(err, check.IsNil) ipTablesCmd := exec.Command("iptables", "-t", "nat", "-nvL") out, _, err = runCommandWithOutput(ipTablesCmd) c.Assert(err, check.IsNil) regex := fmt.Sprintf("DNAT.*%s.*dpt:8000", ip.String()) matched, _ := regexp.MatchString(regex, out) c.Assert(matched, check.Equals, true, check.Commentf("iptables output should have contained %q, but was %q", regex, out)) } func (s *DockerDaemonSuite) TestDaemonICCPing(c *check.C) { testRequires(c, bridgeNfIptables) d := s.d bridgeName := "external-bridge" bridgeIP := "192.169.1.1/24" out, err := createInterface(c, "bridge", bridgeName, bridgeIP) c.Assert(err, check.IsNil, check.Commentf(out)) defer deleteInterface(c, bridgeName) args := []string{"--bridge", bridgeName, "--icc=false"} err = d.StartWithBusybox(args...) c.Assert(err, check.IsNil) defer d.Restart() ipTablesCmd := exec.Command("iptables", "-nvL", "FORWARD") out, _, err = runCommandWithOutput(ipTablesCmd) c.Assert(err, check.IsNil) regex := fmt.Sprintf("DROP.*all.*%s.*%s", bridgeName, bridgeName) matched, _ := regexp.MatchString(regex, out) c.Assert(matched, check.Equals, true, check.Commentf("iptables output should have contained %q, but was %q", regex, out)) // Pinging another container must fail with --icc=false pingContainers(c, d, true) ipStr := "192.171.1.1/24" ip, _, _ := net.ParseCIDR(ipStr) ifName := "icc-dummy" createInterface(c, "dummy", ifName, ipStr) // But, Pinging external or a Host interface must succeed pingCmd := fmt.Sprintf("ping -c 1 %s -W 1", ip.String()) runArgs := []string{"--rm", "busybox", "sh", "-c", pingCmd} _, err = d.Cmd("run", runArgs...) c.Assert(err, check.IsNil) } func (s *DockerDaemonSuite) TestDaemonICCLinkExpose(c *check.C) { d := s.d bridgeName := "external-bridge" bridgeIP := "192.169.1.1/24" out, err := createInterface(c, "bridge", bridgeName, bridgeIP) c.Assert(err, check.IsNil, check.Commentf(out)) defer deleteInterface(c, bridgeName) args := []string{"--bridge", bridgeName, "--icc=false"} err = d.StartWithBusybox(args...) c.Assert(err, check.IsNil) defer d.Restart() ipTablesCmd := exec.Command("iptables", "-nvL", "FORWARD") out, _, err = runCommandWithOutput(ipTablesCmd) c.Assert(err, check.IsNil) regex := fmt.Sprintf("DROP.*all.*%s.*%s", bridgeName, bridgeName) matched, _ := regexp.MatchString(regex, out) c.Assert(matched, check.Equals, true, check.Commentf("iptables output should have contained %q, but was %q", regex, out)) out, err = d.Cmd("run", "-d", "--expose", "4567", "--name", "icc1", "busybox", "nc", "-l", "-p", "4567") c.Assert(err, check.IsNil, check.Commentf(out)) out, err = d.Cmd("run", "--link", "icc1:icc1", "busybox", "nc", "icc1", "4567") c.Assert(err, check.IsNil, check.Commentf(out)) } func (s *DockerDaemonSuite) TestDaemonLinksIpTablesRulesWhenLinkAndUnlink(c *check.C) { bridgeName := "external-bridge" bridgeIP := "192.169.1.1/24" out, err := createInterface(c, "bridge", bridgeName, bridgeIP) c.Assert(err, check.IsNil, check.Commentf(out)) defer deleteInterface(c, bridgeName) err = s.d.StartWithBusybox("--bridge", bridgeName, "--icc=false") c.Assert(err, check.IsNil) defer s.d.Restart() _, err = s.d.Cmd("run", "-d", "--name", "child", "--publish", "8080:80", "busybox", "top") c.Assert(err, check.IsNil) _, err = s.d.Cmd("run", "-d", "--name", "parent", "--link", "child:http", "busybox", "top") c.Assert(err, check.IsNil) childIP := s.d.findContainerIP("child") parentIP := s.d.findContainerIP("parent") sourceRule := []string{"-i", bridgeName, "-o", bridgeName, "-p", "tcp", "-s", childIP, "--sport", "80", "-d", parentIP, "-j", "ACCEPT"} destinationRule := []string{"-i", bridgeName, "-o", bridgeName, "-p", "tcp", "-s", parentIP, "--dport", "80", "-d", childIP, "-j", "ACCEPT"} if !iptables.Exists("filter", "DOCKER", sourceRule...) || !iptables.Exists("filter", "DOCKER", destinationRule...) { c.Fatal("Iptables rules not found") } s.d.Cmd("rm", "--link", "parent/http") if iptables.Exists("filter", "DOCKER", sourceRule...) || iptables.Exists("filter", "DOCKER", destinationRule...) { c.Fatal("Iptables rules should be removed when unlink") } s.d.Cmd("kill", "child") s.d.Cmd("kill", "parent") } func (s *DockerDaemonSuite) TestDaemonUlimitDefaults(c *check.C) { testRequires(c, DaemonIsLinux) if err := s.d.StartWithBusybox("--default-ulimit", "nofile=42:42", "--default-ulimit", "nproc=1024:1024"); err != nil { c.Fatal(err) } out, err := s.d.Cmd("run", "--ulimit", "nproc=2048", "--name=test", "busybox", "/bin/sh", "-c", "echo $(ulimit -n); echo $(ulimit -p)") if err != nil { c.Fatal(out, err) } outArr := strings.Split(out, "\n") if len(outArr) < 2 { c.Fatalf("got unexpected output: %s", out) } nofile := strings.TrimSpace(outArr[0]) nproc := strings.TrimSpace(outArr[1]) if nofile != "42" { c.Fatalf("expected `ulimit -n` to be `42`, got: %s", nofile) } if nproc != "2048" { c.Fatalf("exepcted `ulimit -p` to be 2048, got: %s", nproc) } // Now restart daemon with a new default if err := s.d.Restart("--default-ulimit", "nofile=43"); err != nil { c.Fatal(err) } out, err = s.d.Cmd("start", "-a", "test") if err != nil { c.Fatal(err) } outArr = strings.Split(out, "\n") if len(outArr) < 2 { c.Fatalf("got unexpected output: %s", out) } nofile = strings.TrimSpace(outArr[0]) nproc = strings.TrimSpace(outArr[1]) if nofile != "43" { c.Fatalf("expected `ulimit -n` to be `43`, got: %s", nofile) } if nproc != "2048" { c.Fatalf("exepcted `ulimit -p` to be 2048, got: %s", nproc) } } // #11315 func (s *DockerDaemonSuite) TestDaemonRestartRenameContainer(c *check.C) { if err := s.d.StartWithBusybox(); err != nil { c.Fatal(err) } if out, err := s.d.Cmd("run", "--name=test", "busybox"); err != nil { c.Fatal(err, out) } if out, err := s.d.Cmd("rename", "test", "test2"); err != nil { c.Fatal(err, out) } if err := s.d.Restart(); err != nil { c.Fatal(err) } if out, err := s.d.Cmd("start", "test2"); err != nil { c.Fatal(err, out) } } func (s *DockerDaemonSuite) TestDaemonLoggingDriverDefault(c *check.C) { if err := s.d.StartWithBusybox(); err != nil { c.Fatal(err) } out, err := s.d.Cmd("run", "--name=test", "busybox", "echo", "testline") c.Assert(err, check.IsNil, check.Commentf(out)) id, err := s.d.getIDByName("test") c.Assert(err, check.IsNil) logPath := filepath.Join(s.d.root, "containers", id, id+"-json.log") if _, err := os.Stat(logPath); err != nil { c.Fatal(err) } f, err := os.Open(logPath) if err != nil { c.Fatal(err) } var res struct { Log string `json:"log"` Stream string `json:"stream"` Time time.Time `json:"time"` } if err := json.NewDecoder(f).Decode(&res); err != nil { c.Fatal(err) } if res.Log != "testline\n" { c.Fatalf("Unexpected log line: %q, expected: %q", res.Log, "testline\n") } if res.Stream != "stdout" { c.Fatalf("Unexpected stream: %q, expected: %q", res.Stream, "stdout") } if !time.Now().After(res.Time) { c.Fatalf("Log time %v in future", res.Time) } } func (s *DockerDaemonSuite) TestDaemonLoggingDriverDefaultOverride(c *check.C) { if err := s.d.StartWithBusybox(); err != nil { c.Fatal(err) } out, err := s.d.Cmd("run", "--name=test", "--log-driver=none", "busybox", "echo", "testline") if err != nil { c.Fatal(out, err) } id, err := s.d.getIDByName("test") c.Assert(err, check.IsNil) logPath := filepath.Join(s.d.root, "containers", id, id+"-json.log") if _, err := os.Stat(logPath); err == nil || !os.IsNotExist(err) { c.Fatalf("%s shouldn't exits, error on Stat: %s", logPath, err) } } func (s *DockerDaemonSuite) TestDaemonLoggingDriverNone(c *check.C) { if err := s.d.StartWithBusybox("--log-driver=none"); err != nil { c.Fatal(err) } out, err := s.d.Cmd("run", "--name=test", "busybox", "echo", "testline") if err != nil { c.Fatal(out, err) } id, err := s.d.getIDByName("test") c.Assert(err, check.IsNil) logPath := filepath.Join(s.d.folder, "graph", "containers", id, id+"-json.log") if _, err := os.Stat(logPath); err == nil || !os.IsNotExist(err) { c.Fatalf("%s shouldn't exits, error on Stat: %s", logPath, err) } } func (s *DockerDaemonSuite) TestDaemonLoggingDriverNoneOverride(c *check.C) { if err := s.d.StartWithBusybox("--log-driver=none"); err != nil { c.Fatal(err) } out, err := s.d.Cmd("run", "--name=test", "--log-driver=json-file", "busybox", "echo", "testline") if err != nil { c.Fatal(out, err) } id, err := s.d.getIDByName("test") c.Assert(err, check.IsNil) logPath := filepath.Join(s.d.root, "containers", id, id+"-json.log") if _, err := os.Stat(logPath); err != nil { c.Fatal(err) } f, err := os.Open(logPath) if err != nil { c.Fatal(err) } var res struct { Log string `json:"log"` Stream string `json:"stream"` Time time.Time `json:"time"` } if err := json.NewDecoder(f).Decode(&res); err != nil { c.Fatal(err) } if res.Log != "testline\n" { c.Fatalf("Unexpected log line: %q, expected: %q", res.Log, "testline\n") } if res.Stream != "stdout" { c.Fatalf("Unexpected stream: %q, expected: %q", res.Stream, "stdout") } if !time.Now().After(res.Time) { c.Fatalf("Log time %v in future", res.Time) } } func (s *DockerDaemonSuite) TestDaemonLoggingDriverNoneLogsError(c *check.C) { c.Assert(s.d.StartWithBusybox("--log-driver=none"), checker.IsNil) out, err := s.d.Cmd("run", "--name=test", "busybox", "echo", "testline") c.Assert(err, checker.IsNil, check.Commentf(out)) out, err = s.d.Cmd("logs", "test") c.Assert(err, check.NotNil, check.Commentf("Logs should fail with 'none' driver")) expected := `"logs" command is supported only for "json-file" and "journald" logging drivers (got: none)` c.Assert(out, checker.Contains, expected) } func (s *DockerDaemonSuite) TestDaemonDots(c *check.C) { if err := s.d.StartWithBusybox(); err != nil { c.Fatal(err) } // Now create 4 containers if _, err := s.d.Cmd("create", "busybox"); err != nil { c.Fatalf("Error creating container: %q", err) } if _, err := s.d.Cmd("create", "busybox"); err != nil { c.Fatalf("Error creating container: %q", err) } if _, err := s.d.Cmd("create", "busybox"); err != nil { c.Fatalf("Error creating container: %q", err) } if _, err := s.d.Cmd("create", "busybox"); err != nil { c.Fatalf("Error creating container: %q", err) } s.d.Stop() s.d.Start("--log-level=debug") s.d.Stop() content, _ := ioutil.ReadFile(s.d.logFile.Name()) if strings.Contains(string(content), "....") { c.Fatalf("Debug level should not have ....\n%s", string(content)) } s.d.Start("--log-level=error") s.d.Stop() content, _ = ioutil.ReadFile(s.d.logFile.Name()) if strings.Contains(string(content), "....") { c.Fatalf("Error level should not have ....\n%s", string(content)) } s.d.Start("--log-level=info") s.d.Stop() content, _ = ioutil.ReadFile(s.d.logFile.Name()) if !strings.Contains(string(content), "....") { c.Fatalf("Info level should have ....\n%s", string(content)) } } func (s *DockerDaemonSuite) TestDaemonUnixSockCleanedUp(c *check.C) { dir, err := ioutil.TempDir("", "socket-cleanup-test") if err != nil { c.Fatal(err) } defer os.RemoveAll(dir) sockPath := filepath.Join(dir, "docker.sock") if err := s.d.Start("--host", "unix://"+sockPath); err != nil { c.Fatal(err) } if _, err := os.Stat(sockPath); err != nil { c.Fatal("socket does not exist") } if err := s.d.Stop(); err != nil { c.Fatal(err) } if _, err := os.Stat(sockPath); err == nil || !os.IsNotExist(err) { c.Fatal("unix socket is not cleaned up") } } func (s *DockerDaemonSuite) TestDaemonWithWrongkey(c *check.C) { type Config struct { Crv string `json:"crv"` D string `json:"d"` Kid string `json:"kid"` Kty string `json:"kty"` X string `json:"x"` Y string `json:"y"` } os.Remove("/etc/docker/key.json") if err := s.d.Start(); err != nil { c.Fatalf("Failed to start daemon: %v", err) } if err := s.d.Stop(); err != nil { c.Fatalf("Could not stop daemon: %v", err) } config := &Config{} bytes, err := ioutil.ReadFile("/etc/docker/key.json") if err != nil { c.Fatalf("Error reading key.json file: %s", err) } // byte[] to Data-Struct if err := json.Unmarshal(bytes, &config); err != nil { c.Fatalf("Error Unmarshal: %s", err) } //replace config.Kid with the fake value config.Kid = "VSAJ:FUYR:X3H2:B2VZ:KZ6U:CJD5:K7BX:ZXHY:UZXT:P4FT:MJWG:HRJ4" // NEW Data-Struct to byte[] newBytes, err := json.Marshal(&config) if err != nil { c.Fatalf("Error Marshal: %s", err) } // write back if err := ioutil.WriteFile("/etc/docker/key.json", newBytes, 0400); err != nil { c.Fatalf("Error ioutil.WriteFile: %s", err) } defer os.Remove("/etc/docker/key.json") if err := s.d.Start(); err == nil { c.Fatalf("It should not be successful to start daemon with wrong key: %v", err) } content, _ := ioutil.ReadFile(s.d.logFile.Name()) if !strings.Contains(string(content), "Public Key ID does not match") { c.Fatal("Missing KeyID message from daemon logs") } } func (s *DockerDaemonSuite) TestDaemonRestartKillWait(c *check.C) { if err := s.d.StartWithBusybox(); err != nil { c.Fatalf("Could not start daemon with busybox: %v", err) } out, err := s.d.Cmd("run", "-id", "busybox", "/bin/cat") if err != nil { c.Fatalf("Could not run /bin/cat: err=%v\n%s", err, out) } containerID := strings.TrimSpace(out) if out, err := s.d.Cmd("kill", containerID); err != nil { c.Fatalf("Could not kill %s: err=%v\n%s", containerID, err, out) } if err := s.d.Restart(); err != nil { c.Fatalf("Could not restart daemon: %v", err) } errchan := make(chan error) go func() { if out, err := s.d.Cmd("wait", containerID); err != nil { errchan <- fmt.Errorf("%v:\n%s", err, out) } close(errchan) }() select { case <-time.After(5 * time.Second): c.Fatal("Waiting on a stopped (killed) container timed out") case err := <-errchan: if err != nil { c.Fatal(err) } } } // TestHttpsInfo connects via two-way authenticated HTTPS to the info endpoint func (s *DockerDaemonSuite) TestHttpsInfo(c *check.C) { const ( testDaemonHTTPSAddr = "tcp://localhost:4271" ) if err := s.d.Start("--tlsverify", "--tlscacert", "fixtures/https/ca.pem", "--tlscert", "fixtures/https/server-cert.pem", "--tlskey", "fixtures/https/server-key.pem", "-H", testDaemonHTTPSAddr); err != nil { c.Fatalf("Could not start daemon with busybox: %v", err) } daemonArgs := []string{"--host", testDaemonHTTPSAddr, "--tlsverify", "--tlscacert", "fixtures/https/ca.pem", "--tlscert", "fixtures/https/client-cert.pem", "--tlskey", "fixtures/https/client-key.pem"} out, err := s.d.CmdWithArgs(daemonArgs, "info") if err != nil { c.Fatalf("Error Occurred: %s and output: %s", err, out) } } // TestHttpsRun connects via two-way authenticated HTTPS to the create, attach, start, and wait endpoints. // https://github.com/docker/docker/issues/19280 func (s *DockerDaemonSuite) TestHttpsRun(c *check.C) { const ( testDaemonHTTPSAddr = "tcp://localhost:4271" ) if err := s.d.StartWithBusybox("--tlsverify", "--tlscacert", "fixtures/https/ca.pem", "--tlscert", "fixtures/https/server-cert.pem", "--tlskey", "fixtures/https/server-key.pem", "-H", testDaemonHTTPSAddr); err != nil { c.Fatalf("Could not start daemon with busybox: %v", err) } daemonArgs := []string{"--host", testDaemonHTTPSAddr, "--tlsverify", "--tlscacert", "fixtures/https/ca.pem", "--tlscert", "fixtures/https/client-cert.pem", "--tlskey", "fixtures/https/client-key.pem"} out, err := s.d.CmdWithArgs(daemonArgs, "run", "busybox", "echo", "TLS response") if err != nil { c.Fatalf("Error Occurred: %s and output: %s", err, out) } if !strings.Contains(out, "TLS response") { c.Fatalf("expected output to include `TLS response`, got %v", out) } } // TestTlsVerify verifies that --tlsverify=false turns on tls func (s *DockerDaemonSuite) TestTlsVerify(c *check.C) { out, err := exec.Command(dockerBinary, "daemon", "--tlsverify=false").CombinedOutput() if err == nil || !strings.Contains(string(out), "Could not load X509 key pair") { c.Fatalf("Daemon should not have started due to missing certs: %v\n%s", err, string(out)) } } // TestHttpsInfoRogueCert connects via two-way authenticated HTTPS to the info endpoint // by using a rogue client certificate and checks that it fails with the expected error. func (s *DockerDaemonSuite) TestHttpsInfoRogueCert(c *check.C) { const ( errBadCertificate = "remote error: bad certificate" testDaemonHTTPSAddr = "tcp://localhost:4271" ) if err := s.d.Start("--tlsverify", "--tlscacert", "fixtures/https/ca.pem", "--tlscert", "fixtures/https/server-cert.pem", "--tlskey", "fixtures/https/server-key.pem", "-H", testDaemonHTTPSAddr); err != nil { c.Fatalf("Could not start daemon with busybox: %v", err) } daemonArgs := []string{"--host", testDaemonHTTPSAddr, "--tlsverify", "--tlscacert", "fixtures/https/ca.pem", "--tlscert", "fixtures/https/client-rogue-cert.pem", "--tlskey", "fixtures/https/client-rogue-key.pem"} out, err := s.d.CmdWithArgs(daemonArgs, "info") if err == nil || !strings.Contains(out, errBadCertificate) { c.Fatalf("Expected err: %s, got instead: %s and output: %s", errBadCertificate, err, out) } } // TestHttpsInfoRogueServerCert connects via two-way authenticated HTTPS to the info endpoint // which provides a rogue server certificate and checks that it fails with the expected error func (s *DockerDaemonSuite) TestHttpsInfoRogueServerCert(c *check.C) { const ( errCaUnknown = "x509: certificate signed by unknown authority" testDaemonRogueHTTPSAddr = "tcp://localhost:4272" ) if err := s.d.Start("--tlsverify", "--tlscacert", "fixtures/https/ca.pem", "--tlscert", "fixtures/https/server-rogue-cert.pem", "--tlskey", "fixtures/https/server-rogue-key.pem", "-H", testDaemonRogueHTTPSAddr); err != nil { c.Fatalf("Could not start daemon with busybox: %v", err) } daemonArgs := []string{"--host", testDaemonRogueHTTPSAddr, "--tlsverify", "--tlscacert", "fixtures/https/ca.pem", "--tlscert", "fixtures/https/client-rogue-cert.pem", "--tlskey", "fixtures/https/client-rogue-key.pem"} out, err := s.d.CmdWithArgs(daemonArgs, "info") if err == nil || !strings.Contains(out, errCaUnknown) { c.Fatalf("Expected err: %s, got instead: %s and output: %s", errCaUnknown, err, out) } } func pingContainers(c *check.C, d *Daemon, expectFailure bool) { var dargs []string if d != nil { dargs = []string{"--host", d.sock()} } args := append(dargs, "run", "-d", "--name", "container1", "busybox", "top") dockerCmd(c, args...) args = append(dargs, "run", "--rm", "--link", "container1:alias1", "busybox", "sh", "-c") pingCmd := "ping -c 1 %s -W 1" args = append(args, fmt.Sprintf(pingCmd, "alias1")) _, _, err := dockerCmdWithError(args...) if expectFailure { c.Assert(err, check.NotNil) } else { c.Assert(err, check.IsNil) } args = append(dargs, "rm", "-f", "container1") dockerCmd(c, args...) } func (s *DockerDaemonSuite) TestDaemonRestartWithSocketAsVolume(c *check.C) { c.Assert(s.d.StartWithBusybox(), check.IsNil) socket := filepath.Join(s.d.folder, "docker.sock") out, err := s.d.Cmd("run", "--restart=always", "-v", socket+":/sock", "busybox") c.Assert(err, check.IsNil, check.Commentf("Output: %s", out)) c.Assert(s.d.Restart(), check.IsNil) } func (s *DockerDaemonSuite) TestCleanupMountsAfterCrash(c *check.C) { c.Assert(s.d.StartWithBusybox(), check.IsNil) out, err := s.d.Cmd("run", "-d", "busybox", "top") c.Assert(err, check.IsNil, check.Commentf("Output: %s", out)) id := strings.TrimSpace(out) c.Assert(s.d.cmd.Process.Signal(os.Kill), check.IsNil) c.Assert(s.d.Start(), check.IsNil) mountOut, err := ioutil.ReadFile("/proc/self/mountinfo") c.Assert(err, check.IsNil, check.Commentf("Output: %s", mountOut)) comment := check.Commentf("%s is still mounted from older daemon start:\nDaemon root repository %s\n%s", id, s.d.folder, mountOut) c.Assert(strings.Contains(string(mountOut), id), check.Equals, false, comment) } func (s *DockerDaemonSuite) TestRunContainerWithBridgeNone(c *check.C) { testRequires(c, DaemonIsLinux, NotUserNamespace) c.Assert(s.d.StartWithBusybox("-b", "none"), check.IsNil) out, err := s.d.Cmd("run", "--rm", "busybox", "ip", "l") c.Assert(err, check.IsNil, check.Commentf("Output: %s", out)) c.Assert(strings.Contains(out, "eth0"), check.Equals, false, check.Commentf("There shouldn't be eth0 in container in default(bridge) mode when bridge network is disabled: %s", out)) out, err = s.d.Cmd("run", "--rm", "--net=bridge", "busybox", "ip", "l") c.Assert(err, check.IsNil, check.Commentf("Output: %s", out)) c.Assert(strings.Contains(out, "eth0"), check.Equals, false, check.Commentf("There shouldn't be eth0 in container in bridge mode when bridge network is disabled: %s", out)) // the extra grep and awk clean up the output of `ip` to only list the number and name of // interfaces, allowing for different versions of ip (e.g. inside and outside the container) to // be used while still verifying that the interface list is the exact same cmd := exec.Command("sh", "-c", "ip l | grep -E '^[0-9]+:' | awk -F: ' { print $1\":\"$2 } '") stdout := bytes.NewBuffer(nil) cmd.Stdout = stdout if err := cmd.Run(); err != nil { c.Fatal("Failed to get host network interface") } out, err = s.d.Cmd("run", "--rm", "--net=host", "busybox", "sh", "-c", "ip l | grep -E '^[0-9]+:' | awk -F: ' { print $1\":\"$2 } '") c.Assert(err, check.IsNil, check.Commentf("Output: %s", out)) c.Assert(out, check.Equals, fmt.Sprintf("%s", stdout), check.Commentf("The network interfaces in container should be the same with host when --net=host when bridge network is disabled: %s", out)) } func (s *DockerDaemonSuite) TestDaemonRestartWithContainerRunning(t *check.C) { if err := s.d.StartWithBusybox(); err != nil { t.Fatal(err) } if out, err := s.d.Cmd("run", "-d", "--name", "test", "busybox", "top"); err != nil { t.Fatal(out, err) } if err := s.d.Restart(); err != nil { t.Fatal(err) } // Container 'test' should be removed without error if out, err := s.d.Cmd("rm", "test"); err != nil { t.Fatal(out, err) } } func (s *DockerDaemonSuite) TestDaemonRestartCleanupNetns(c *check.C) { if err := s.d.StartWithBusybox(); err != nil { c.Fatal(err) } out, err := s.d.Cmd("run", "--name", "netns", "-d", "busybox", "top") if err != nil { c.Fatal(out, err) } // Get sandbox key via inspect out, err = s.d.Cmd("inspect", "--format", "'{{.NetworkSettings.SandboxKey}}'", "netns") if err != nil { c.Fatalf("Error inspecting container: %s, %v", out, err) } fileName := strings.Trim(out, " \r\n'") if out, err := s.d.Cmd("stop", "netns"); err != nil { c.Fatal(out, err) } // Test if the file still exists out, _, err = runCommandWithOutput(exec.Command("stat", "-c", "%n", fileName)) out = strings.TrimSpace(out) c.Assert(err, check.IsNil, check.Commentf("Output: %s", out)) c.Assert(out, check.Equals, fileName, check.Commentf("Output: %s", out)) // Remove the container and restart the daemon if out, err := s.d.Cmd("rm", "netns"); err != nil { c.Fatal(out, err) } if err := s.d.Restart(); err != nil { c.Fatal(err) } // Test again and see now the netns file does not exist out, _, err = runCommandWithOutput(exec.Command("stat", "-c", "%n", fileName)) out = strings.TrimSpace(out) c.Assert(err, check.Not(check.IsNil), check.Commentf("Output: %s", out)) } // tests regression detailed in #13964 where DOCKER_TLS_VERIFY env is ignored func (s *DockerDaemonSuite) TestDaemonNoTlsCliTlsVerifyWithEnv(c *check.C) { host := "tcp://localhost:4271" c.Assert(s.d.Start("-H", host), check.IsNil) cmd := exec.Command(dockerBinary, "-H", host, "info") cmd.Env = []string{"DOCKER_TLS_VERIFY=1", "DOCKER_CERT_PATH=fixtures/https"} out, _, err := runCommandWithOutput(cmd) c.Assert(err, check.Not(check.IsNil), check.Commentf("%s", out)) c.Assert(strings.Contains(out, "error occurred trying to connect"), check.Equals, true) } func setupV6() error { // Hack to get the right IPv6 address on docker0, which has already been created return exec.Command("ip", "addr", "add", "fe80::1/64", "dev", "docker0").Run() } func teardownV6() error { return exec.Command("ip", "addr", "del", "fe80::1/64", "dev", "docker0").Run() } func (s *DockerDaemonSuite) TestDaemonRestartWithContainerWithRestartPolicyAlways(c *check.C) { c.Assert(s.d.StartWithBusybox(), check.IsNil) out, err := s.d.Cmd("run", "-d", "--restart", "always", "busybox", "top") c.Assert(err, check.IsNil) id := strings.TrimSpace(out) _, err = s.d.Cmd("stop", id) c.Assert(err, check.IsNil) _, err = s.d.Cmd("wait", id) c.Assert(err, check.IsNil) out, err = s.d.Cmd("ps", "-q") c.Assert(err, check.IsNil) c.Assert(out, check.Equals, "") c.Assert(s.d.Restart(), check.IsNil) out, err = s.d.Cmd("ps", "-q") c.Assert(err, check.IsNil) c.Assert(strings.TrimSpace(out), check.Equals, id[:12]) } func (s *DockerDaemonSuite) TestDaemonWideLogConfig(c *check.C) { if err := s.d.StartWithBusybox("--log-driver=json-file", "--log-opt=max-size=1k"); err != nil { c.Fatal(err) } out, err := s.d.Cmd("run", "-d", "--name=logtest", "busybox", "top") c.Assert(err, check.IsNil, check.Commentf("Output: %s, err: %v", out, err)) out, err = s.d.Cmd("inspect", "-f", "{{ .HostConfig.LogConfig.Config }}", "logtest") c.Assert(err, check.IsNil, check.Commentf("Output: %s", out)) cfg := strings.TrimSpace(out) if cfg != "map[max-size:1k]" { c.Fatalf("Unexpected log-opt: %s, expected map[max-size:1k]", cfg) } } func (s *DockerDaemonSuite) TestDaemonRestartWithPausedContainer(c *check.C) { if err := s.d.StartWithBusybox(); err != nil { c.Fatal(err) } if out, err := s.d.Cmd("run", "-i", "-d", "--name", "test", "busybox", "top"); err != nil { c.Fatal(err, out) } if out, err := s.d.Cmd("pause", "test"); err != nil { c.Fatal(err, out) } if err := s.d.Restart(); err != nil { c.Fatal(err) } errchan := make(chan error) go func() { out, err := s.d.Cmd("start", "test") if err != nil { errchan <- fmt.Errorf("%v:\n%s", err, out) } name := strings.TrimSpace(out) if name != "test" { errchan <- fmt.Errorf("Paused container start error on docker daemon restart, expected 'test' but got '%s'", name) } close(errchan) }() select { case <-time.After(5 * time.Second): c.Fatal("Waiting on start a container timed out") case err := <-errchan: if err != nil { c.Fatal(err) } } } func (s *DockerDaemonSuite) TestDaemonRestartRmVolumeInUse(c *check.C) { c.Assert(s.d.StartWithBusybox(), check.IsNil) out, err := s.d.Cmd("create", "-v", "test:/foo", "busybox") c.Assert(err, check.IsNil, check.Commentf(out)) c.Assert(s.d.Restart(), check.IsNil) out, err = s.d.Cmd("volume", "rm", "test") c.Assert(err, check.NotNil, check.Commentf("should not be able to remove in use volume after daemon restart")) c.Assert(out, checker.Contains, "in use") } func (s *DockerDaemonSuite) TestDaemonRestartLocalVolumes(c *check.C) { c.Assert(s.d.Start(), check.IsNil) _, err := s.d.Cmd("volume", "create", "--name", "test") c.Assert(err, check.IsNil) c.Assert(s.d.Restart(), check.IsNil) _, err = s.d.Cmd("volume", "inspect", "test") c.Assert(err, check.IsNil) } func (s *DockerDaemonSuite) TestDaemonCorruptedLogDriverAddress(c *check.C) { c.Assert(s.d.Start("--log-driver=syslog", "--log-opt", "syslog-address=corrupted:42"), check.NotNil) expected := "Failed to set log opts: syslog-address should be in form proto://address" runCmd := exec.Command("grep", expected, s.d.LogFileName()) if out, _, err := runCommandWithOutput(runCmd); err != nil { c.Fatalf("Expected %q message; but doesn't exist in log: %q, err: %v", expected, out, err) } } func (s *DockerDaemonSuite) TestDaemonCorruptedFluentdAddress(c *check.C) { c.Assert(s.d.Start("--log-driver=fluentd", "--log-opt", "fluentd-address=corrupted:c"), check.NotNil) expected := "Failed to set log opts: invalid fluentd-address corrupted:c: " runCmd := exec.Command("grep", expected, s.d.LogFileName()) if out, _, err := runCommandWithOutput(runCmd); err != nil { c.Fatalf("Expected %q message; but doesn't exist in log: %q, err: %v", expected, out, err) } } func (s *DockerDaemonSuite) TestDaemonStartWithoutHost(c *check.C) { s.d.useDefaultHost = true defer func() { s.d.useDefaultHost = false }() c.Assert(s.d.Start(), check.IsNil) } func (s *DockerDaemonSuite) TestDaemonStartWithDefalutTlsHost(c *check.C) { s.d.useDefaultTLSHost = true defer func() { s.d.useDefaultTLSHost = false }() if err := s.d.Start( "--tlsverify", "--tlscacert", "fixtures/https/ca.pem", "--tlscert", "fixtures/https/server-cert.pem", "--tlskey", "fixtures/https/server-key.pem"); err != nil { c.Fatalf("Could not start daemon: %v", err) } // The client with --tlsverify should also use default host localhost:2376 tmpHost := os.Getenv("DOCKER_HOST") defer func() { os.Setenv("DOCKER_HOST", tmpHost) }() os.Setenv("DOCKER_HOST", "") out, _ := dockerCmd( c, "--tlsverify", "--tlscacert", "fixtures/https/ca.pem", "--tlscert", "fixtures/https/client-cert.pem", "--tlskey", "fixtures/https/client-key.pem", "version", ) if !strings.Contains(out, "Server") { c.Fatalf("docker version should return information of server side") } } func (s *DockerDaemonSuite) TestBridgeIPIsExcludedFromAllocatorPool(c *check.C) { defaultNetworkBridge := "docker0" deleteInterface(c, defaultNetworkBridge) bridgeIP := "192.169.1.1" bridgeRange := bridgeIP + "/30" err := s.d.StartWithBusybox("--bip", bridgeRange) c.Assert(err, check.IsNil) defer s.d.Restart() var cont int for { contName := fmt.Sprintf("container%d", cont) _, err = s.d.Cmd("run", "--name", contName, "-d", "busybox", "/bin/sleep", "2") if err != nil { // pool exhausted break } ip, err := s.d.Cmd("inspect", "--format", "'{{.NetworkSettings.IPAddress}}'", contName) c.Assert(err, check.IsNil) c.Assert(ip, check.Not(check.Equals), bridgeIP) cont++ } } // Test daemon for no space left on device error func (s *DockerDaemonSuite) TestDaemonNoSpaceleftOnDeviceError(c *check.C) { testRequires(c, SameHostDaemon, DaemonIsLinux, Network) // create a 2MiB image and mount it as graph root cmd := exec.Command("dd", "of=/tmp/testfs.img", "bs=1M", "seek=2", "count=0") if err := cmd.Run(); err != nil { c.Fatalf("dd failed: %v", err) } cmd = exec.Command("mkfs.ext4", "-F", "/tmp/testfs.img") if err := cmd.Run(); err != nil { c.Fatalf("mkfs.ext4 failed: %v", err) } cmd = exec.Command("mkdir", "-p", "/tmp/testfs-mount") if err := cmd.Run(); err != nil { c.Fatalf("mkdir failed: %v", err) } cmd = exec.Command("mount", "-t", "ext4", "-no", "loop,rw", "/tmp/testfs.img", "/tmp/testfs-mount") if err := cmd.Run(); err != nil { c.Fatalf("mount failed: %v", err) } err := s.d.Start("--graph", "/tmp/testfs-mount") c.Assert(err, check.IsNil) // pull a repository large enough to fill the mount point out, err := s.d.Cmd("pull", "registry:2") c.Assert(out, checker.Contains, "no space left on device") } // Test daemon restart with container links + auto restart func (s *DockerDaemonSuite) TestDaemonRestartContainerLinksRestart(c *check.C) { d := NewDaemon(c) err := d.StartWithBusybox() c.Assert(err, checker.IsNil) parent1Args := []string{} parent2Args := []string{} wg := sync.WaitGroup{} maxChildren := 10 chErr := make(chan error, maxChildren) for i := 0; i < maxChildren; i++ { wg.Add(1) name := fmt.Sprintf("test%d", i) if i < maxChildren/2 { parent1Args = append(parent1Args, []string{"--link", name}...) } else { parent2Args = append(parent2Args, []string{"--link", name}...) } go func() { _, err = d.Cmd("run", "-d", "--name", name, "--restart=always", "busybox", "top") chErr <- err wg.Done() }() } wg.Wait() close(chErr) for err := range chErr { c.Assert(err, check.IsNil) } parent1Args = append([]string{"run", "-d"}, parent1Args...) parent1Args = append(parent1Args, []string{"--name=parent1", "--restart=always", "busybox", "top"}...) parent2Args = append([]string{"run", "-d"}, parent2Args...) parent2Args = append(parent2Args, []string{"--name=parent2", "--restart=always", "busybox", "top"}...) _, err = d.Cmd(parent1Args[0], parent1Args[1:]...) c.Assert(err, check.IsNil) _, err = d.Cmd(parent2Args[0], parent2Args[1:]...) c.Assert(err, check.IsNil) err = d.Stop() c.Assert(err, check.IsNil) // clear the log file -- we don't need any of it but may for the next part // can ignore the error here, this is just a cleanup os.Truncate(d.LogFileName(), 0) err = d.Start() c.Assert(err, check.IsNil) for _, num := range []string{"1", "2"} { out, err := d.Cmd("inspect", "-f", "{{ .State.Running }}", "parent"+num) c.Assert(err, check.IsNil) if strings.TrimSpace(out) != "true" { log, _ := ioutil.ReadFile(d.LogFileName()) c.Fatalf("parent container is not running\n%s", string(log)) } } } func (s *DockerDaemonSuite) TestDaemonCgroupParent(c *check.C) { testRequires(c, DaemonIsLinux) cgroupParent := "test" name := "cgroup-test" err := s.d.StartWithBusybox("--cgroup-parent", cgroupParent) c.Assert(err, check.IsNil) defer s.d.Restart() out, err := s.d.Cmd("run", "--name", name, "busybox", "cat", "/proc/self/cgroup") c.Assert(err, checker.IsNil) cgroupPaths := parseCgroupPaths(string(out)) c.Assert(len(cgroupPaths), checker.Not(checker.Equals), 0, check.Commentf("unexpected output - %q", string(out))) out, err = s.d.Cmd("inspect", "-f", "{{.Id}}", name) c.Assert(err, checker.IsNil) id := strings.TrimSpace(string(out)) expectedCgroup := path.Join(cgroupParent, id) found := false for _, path := range cgroupPaths { if strings.HasSuffix(path, expectedCgroup) { found = true break } } c.Assert(found, checker.True, check.Commentf("Cgroup path for container (%s) doesn't found in cgroups file: %s", expectedCgroup, cgroupPaths)) } func (s *DockerDaemonSuite) TestDaemonRestartWithLinks(c *check.C) { testRequires(c, DaemonIsLinux) // Windows does not support links err := s.d.StartWithBusybox() c.Assert(err, check.IsNil) out, err := s.d.Cmd("run", "-d", "--name=test", "busybox", "top") c.Assert(err, check.IsNil, check.Commentf(out)) out, err = s.d.Cmd("run", "--name=test2", "--link", "test:abc", "busybox", "sh", "-c", "ping -c 1 -w 1 abc") c.Assert(err, check.IsNil, check.Commentf(out)) c.Assert(s.d.Restart(), check.IsNil) // should fail since test is not running yet out, err = s.d.Cmd("start", "test2") c.Assert(err, check.NotNil, check.Commentf(out)) out, err = s.d.Cmd("start", "test") c.Assert(err, check.IsNil, check.Commentf(out)) out, err = s.d.Cmd("start", "-a", "test2") c.Assert(err, check.IsNil, check.Commentf(out)) c.Assert(strings.Contains(out, "1 packets transmitted, 1 packets received"), check.Equals, true, check.Commentf(out)) } func (s *DockerDaemonSuite) TestDaemonRestartWithNames(c *check.C) { testRequires(c, DaemonIsLinux) // Windows does not support links err := s.d.StartWithBusybox() c.Assert(err, check.IsNil) out, err := s.d.Cmd("create", "--name=test", "busybox") c.Assert(err, check.IsNil, check.Commentf(out)) out, err = s.d.Cmd("run", "-d", "--name=test2", "busybox", "top") c.Assert(err, check.IsNil, check.Commentf(out)) test2ID := strings.TrimSpace(out) out, err = s.d.Cmd("run", "-d", "--name=test3", "--link", "test2:abc", "busybox", "top") test3ID := strings.TrimSpace(out) c.Assert(s.d.Restart(), check.IsNil) out, err = s.d.Cmd("create", "--name=test", "busybox") c.Assert(err, check.NotNil, check.Commentf("expected error trying to create container with duplicate name")) // this one is no longer needed, removing simplifies the remainder of the test out, err = s.d.Cmd("rm", "-f", "test") c.Assert(err, check.IsNil, check.Commentf(out)) out, err = s.d.Cmd("ps", "-a", "--no-trunc") c.Assert(err, check.IsNil, check.Commentf(out)) lines := strings.Split(strings.TrimSpace(out), "\n")[1:] test2validated := false test3validated := false for _, line := range lines { fields := strings.Fields(line) names := fields[len(fields)-1] switch fields[0] { case test2ID: c.Assert(names, check.Equals, "test2,test3/abc") test2validated = true case test3ID: c.Assert(names, check.Equals, "test3") test3validated = true } } c.Assert(test2validated, check.Equals, true) c.Assert(test3validated, check.Equals, true) } // TestRunLinksChanged checks that creating a new container with the same name does not update links // this ensures that the old, pre gh#16032 functionality continues on func (s *DockerDaemonSuite) TestRunLinksChanged(c *check.C) { testRequires(c, DaemonIsLinux) // Windows does not support links err := s.d.StartWithBusybox() c.Assert(err, check.IsNil) out, err := s.d.Cmd("run", "-d", "--name=test", "busybox", "top") c.Assert(err, check.IsNil, check.Commentf(out)) out, err = s.d.Cmd("run", "--name=test2", "--link=test:abc", "busybox", "sh", "-c", "ping -c 1 abc") c.Assert(err, check.IsNil, check.Commentf(out)) c.Assert(out, checker.Contains, "1 packets transmitted, 1 packets received") out, err = s.d.Cmd("rm", "-f", "test") c.Assert(err, check.IsNil, check.Commentf(out)) out, err = s.d.Cmd("run", "-d", "--name=test", "busybox", "top") c.Assert(err, check.IsNil, check.Commentf(out)) out, err = s.d.Cmd("start", "-a", "test2") c.Assert(err, check.NotNil, check.Commentf(out)) c.Assert(out, check.Not(checker.Contains), "1 packets transmitted, 1 packets received") err = s.d.Restart() c.Assert(err, check.IsNil) out, err = s.d.Cmd("start", "-a", "test2") c.Assert(err, check.NotNil, check.Commentf(out)) c.Assert(out, check.Not(checker.Contains), "1 packets transmitted, 1 packets received") } func (s *DockerDaemonSuite) TestDaemonStartWithoutColors(c *check.C) { testRequires(c, DaemonIsLinux, NotPpc64le) newD := NewDaemon(c) infoLog := "\x1b[34mINFO\x1b" p, tty, err := pty.Open() c.Assert(err, checker.IsNil) defer func() { tty.Close() p.Close() }() b := bytes.NewBuffer(nil) go io.Copy(b, p) // Enable coloring explicitly newD.StartWithLogFile(tty, "--raw-logs=false") newD.Stop() c.Assert(b.String(), checker.Contains, infoLog) b.Reset() // Disable coloring explicitly newD.StartWithLogFile(tty, "--raw-logs=true") newD.Stop() c.Assert(b.String(), check.Not(checker.Contains), infoLog) } func (s *DockerDaemonSuite) TestDaemonDebugLog(c *check.C) { testRequires(c, DaemonIsLinux, NotPpc64le) newD := NewDaemon(c) debugLog := "\x1b[37mDEBU\x1b" p, tty, err := pty.Open() c.Assert(err, checker.IsNil) defer func() { tty.Close() p.Close() }() b := bytes.NewBuffer(nil) go io.Copy(b, p) newD.StartWithLogFile(tty, "--debug") newD.Stop() c.Assert(b.String(), checker.Contains, debugLog) } func (s *DockerSuite) TestDaemonDiscoveryBackendConfigReload(c *check.C) { testRequires(c, SameHostDaemon, DaemonIsLinux) // daemon config file daemonConfig := `{ "debug" : false }` configFilePath := "test.json" configFile, err := os.Create(configFilePath) c.Assert(err, checker.IsNil) fmt.Fprintf(configFile, "%s", daemonConfig) d := NewDaemon(c) err = d.Start(fmt.Sprintf("--config-file=%s", configFilePath)) c.Assert(err, checker.IsNil) defer d.Stop() // daemon config file daemonConfig = `{ "cluster-store": "consul://consuladdr:consulport/some/path", "cluster-advertise": "192.168.56.100:0", "debug" : false }` configFile.Close() os.Remove(configFilePath) configFile, err = os.Create(configFilePath) c.Assert(err, checker.IsNil) defer os.Remove(configFilePath) fmt.Fprintf(configFile, "%s", daemonConfig) configFile.Close() syscall.Kill(d.cmd.Process.Pid, syscall.SIGHUP) time.Sleep(3 * time.Second) out, err := d.Cmd("info") c.Assert(err, checker.IsNil) c.Assert(out, checker.Contains, fmt.Sprintf("Cluster store: consul://consuladdr:consulport/some/path")) c.Assert(out, checker.Contains, fmt.Sprintf("Cluster advertise: 192.168.56.100:0")) }