Ejemplo n.º 1
0
func init() {
	Describe("ReleaseApplySpec", func() {
		var (
			platform *fakeplatform.FakePlatform
			action   ReleaseApplySpecAction
		)

		BeforeEach(func() {
			platform = fakeplatform.NewFakePlatform()
			action = NewReleaseApplySpec(platform)
		})

		It("is synchronous", func() {
			Expect(action.IsAsynchronous()).To(BeFalse())
		})

		It("is not persistent", func() {
			Expect(action.IsPersistent()).To(BeFalse())
		})

		It("run", func() {
			err := platform.GetFs().WriteFileString("/var/vcap/micro/apply_spec.json", `{"json":["objects"]}`)
			Expect(err).ToNot(HaveOccurred())

			value, err := action.Run()
			Expect(err).ToNot(HaveOccurred())

			Expect(value).To(Equal(map[string]interface{}{"json": []interface{}{"objects"}}))
		})
	})
}
Ejemplo n.º 2
0
func buildSSHAction(settingsService boshsettings.Service) (*fakeplatform.FakePlatform, SSHAction) {
	platform := fakeplatform.NewFakePlatform()
	dirProvider := boshdirs.NewProvider("/foo")
	logger := boshlog.NewLogger(boshlog.LevelNone)
	action := NewSSH(settingsService, platform, dirProvider, logger)
	return platform, action
}
Ejemplo n.º 3
0
func init() {
	Describe("Stop", func() {
		var (
			jobSupervisor   *fakejobsuper.FakeJobSupervisor
			platform        *fakeplatform.FakePlatform
			settingsService *fakesettings.FakeSettingsService
			logger          boshlog.Logger
			specService     *fakeas.FakeV1Service
			dualDCSupport   *nimbus.DualDCSupport
			action          StopAction
		)

		BeforeEach(func() {
			jobSupervisor = fakejobsuper.NewFakeJobSupervisor()
			platform = fakeplatform.NewFakePlatform()
			logger = boshlog.NewLogger(boshlog.LevelNone)
			specService = fakeas.NewFakeV1Service()
			settingsService = &fakesettings.FakeSettingsService{}
			dualDCSupport = nimbus.NewDualDCSupport(
				platform.GetRunner(),
				platform.GetFs(),
				platform.GetDirProvider(),
				specService,
				settingsService,
				logger,
			)
			action = NewStop(jobSupervisor, dualDCSupport, platform)
		})

		It("is asynchronous", func() {
			Expect(action.IsAsynchronous()).To(BeTrue())
		})

		It("is not persistent", func() {
			Expect(action.IsPersistent()).To(BeFalse())
		})

		It("returns stopped", func() {
			stopped, err := action.Run()
			Expect(err).ToNot(HaveOccurred())
			Expect(stopped).To(Equal("stopped"))
		})

		It("stops job supervisor services", func() {
			_, err := action.Run()
			Expect(err).ToNot(HaveOccurred())
			Expect(jobSupervisor.Stopped).To(BeTrue())
		})
	})
}
Ejemplo n.º 4
0
func init() {
	Describe("ListDisk", func() {
		var (
			settingsService *fakesettings.FakeSettingsService
			platform        *fakeplatform.FakePlatform
			logger          boshlog.Logger
			action          ListDiskAction
		)

		BeforeEach(func() {
			settingsService = &fakesettings.FakeSettingsService{}
			platform = fakeplatform.NewFakePlatform()
			logger = boshlog.NewLogger(boshlog.LevelNone)
			action = NewListDisk(settingsService, platform, logger)
		})

		It("list disk should be synchronous", func() {
			Expect(action.IsAsynchronous()).To(BeFalse())
		})

		It("is not persistent", func() {
			Expect(action.IsPersistent()).To(BeFalse())
		})

		It("list disk run", func() {
			platform.MountedDevicePaths = []string{"/dev/sdb", "/dev/sdc"}

			settingsService.Settings.Disks = boshsettings.Disks{
				Persistent: map[string]interface{}{
					"volume-1": "/dev/sda",
					"volume-2": "/dev/sdb",
					"volume-3": "/dev/sdc",
				},
			}

			value, err := action.Run()
			Expect(err).ToNot(HaveOccurred())
			values, ok := value.([]string)
			Expect(ok).To(BeTrue())
			Expect(values).To(ContainElement("volume-2"))
			Expect(values).To(ContainElement("volume-3"))
			Expect(len(values)).To(Equal(2))
		})
	})
}
Ejemplo n.º 5
0
func init() {
	Describe("bootstrap", func() {
		Describe("Run", func() {
			var (
				platform    *fakeplatform.FakePlatform
				dirProvider boshdir.Provider

				settingsSource  *fakeinf.FakeSettingsSource
				settingsService *fakesettings.FakeSettingsService
			)

			BeforeEach(func() {
				platform = fakeplatform.NewFakePlatform()
				dirProvider = boshdir.NewProvider("/var/vcap")

				settingsSource = &fakeinf.FakeSettingsSource{}
				settingsService = &fakesettings.FakeSettingsService{}
			})

			bootstrap := func() error {
				logger := boshlog.NewLogger(boshlog.LevelNone)
				return NewBootstrap(platform, dirProvider, settingsService, logger).Run()
			}

			It("sets up runtime configuration", func() {
				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(platform.SetupRuntimeConfigurationWasInvoked).To(BeTrue())
			})

			Describe("SSH tunnel setup for registry", func() {
				It("returns error without configuring ssh on the platform if getting public key fails", func() {
					settingsService.PublicKeyErr = errors.New("fake-get-public-key-err")

					err := bootstrap()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-get-public-key-err"))

					Expect(platform.SetupSSHCalled).To(BeFalse())
				})

				Context("when public key is not empty", func() {
					BeforeEach(func() {
						settingsService.PublicKey = "fake-public-key"
					})

					It("gets the public key and sets up ssh via the platform", func() {
						err := bootstrap()
						Expect(err).NotTo(HaveOccurred())

						Expect(platform.SetupSSHPublicKey).To(Equal("fake-public-key"))
						Expect(platform.SetupSSHUsername).To(Equal("vcap"))
					})

					It("returns error if configuring ssh on the platform fails", func() {
						platform.SetupSSHErr = errors.New("fake-setup-ssh-err")

						err := bootstrap()
						Expect(err).To(HaveOccurred())
						Expect(err.Error()).To(ContainSubstring("fake-setup-ssh-err"))
					})
				})

				Context("when public key key is empty", func() {
					BeforeEach(func() {
						settingsSource.PublicKey = ""
					})

					It("gets the public key and does not setup SSH", func() {
						err := bootstrap()
						Expect(err).NotTo(HaveOccurred())

						Expect(platform.SetupSSHCalled).To(BeFalse())
					})
				})
			})

			It("sets up hostname", func() {
				settingsService.Settings.AgentID = "foo-bar-baz-123"

				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(platform.SetupHostnameHostname).To(Equal("foo-bar-baz-123"))
			})

			It("fetches initial settings", func() {
				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(settingsService.SettingsWereLoaded).To(BeTrue())
			})

			It("returns error from loading initial settings", func() {
				settingsService.LoadSettingsError = errors.New("fake-load-error")

				err := bootstrap()
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fake-load-error"))
			})

			It("sets up networking", func() {
				networks := boshsettings.Networks{
					"bosh": boshsettings.Network{},
				}
				settingsService.Settings.Networks = networks

				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(platform.SetupNetworkingNetworks).To(Equal(networks))
			})

			It("sets up ephemeral disk", func() {
				settingsService.Settings.Disks = boshsettings.Disks{
					Ephemeral: "fake-ephemeral-disk-setting",
				}

				platform.GetEphemeralDiskPathRealPath = "/dev/sda"

				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(platform.SetupEphemeralDiskWithPathDevicePath).To(Equal("/dev/sda"))
				Expect(platform.GetEphemeralDiskPathSettings).To(Equal(boshsettings.DiskSettings{
					VolumeID: "fake-ephemeral-disk-setting",
					Path:     "fake-ephemeral-disk-setting",
				}))
			})

			It("returns error if setting ephemeral disk fails", func() {
				platform.SetupEphemeralDiskWithPathErr = errors.New("fake-setup-ephemeral-disk-err")
				err := bootstrap()
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fake-setup-ephemeral-disk-err"))
			})

			It("sets up raw ephemeral disks if paths exist", func() {
				settingsService.Settings.Disks = boshsettings.Disks{
					RawEphemeral: []boshsettings.DiskSettings{{Path: "/dev/xvdb"}, {Path: "/dev/xvdc"}},
				}

				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(platform.SetupRawEphemeralDisksCallCount).To(Equal(1))
				Expect(len(platform.SetupRawEphemeralDisksDevices)).To(Equal(2))
				Expect(platform.SetupRawEphemeralDisksDevices[0].Path).To(Equal("/dev/xvdb"))
				Expect(platform.SetupRawEphemeralDisksDevices[1].Path).To(Equal("/dev/xvdc"))
			})

			It("returns error if setting raw ephemeral disks fails", func() {
				platform.SetupRawEphemeralDisksErr = errors.New("fake-setup-raw-ephemeral-disks-err")
				err := bootstrap()
				Expect(platform.SetupRawEphemeralDisksCallCount).To(Equal(1))
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fake-setup-raw-ephemeral-disks-err"))
			})

			It("sets up data dir", func() {
				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(platform.SetupDataDirCalled).To(BeTrue())
			})

			It("returns error if set up of data dir fails", func() {
				platform.SetupDataDirErr = errors.New("fake-setup-data-dir-err")
				err := bootstrap()
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fake-setup-data-dir-err"))
			})

			It("sets up tmp dir", func() {
				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(platform.SetupTmpDirCalled).To(BeTrue())
			})

			It("returns error if set up of tmp dir fails", func() {
				platform.SetupTmpDirErr = errors.New("fake-setup-tmp-dir-err")
				err := bootstrap()
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fake-setup-tmp-dir-err"))
			})

			It("mounts persistent disk", func() {
				settingsService.Settings.Disks = boshsettings.Disks{
					Persistent: map[string]interface{}{
						"vol-123": map[string]interface{}{
							"volume_id": "2",
							"path":      "/dev/sdb",
						},
					},
				}

				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(platform.MountPersistentDiskSettings).To(Equal(boshsettings.DiskSettings{
					ID:       "vol-123",
					VolumeID: "2",
					Path:     "/dev/sdb",
				}))
				Expect(platform.MountPersistentDiskMountPoint).To(Equal(dirProvider.StoreDir()))
			})

			It("errors if there is more than one persistent disk", func() {
				settingsService.Settings.Disks = boshsettings.Disks{
					Persistent: map[string]interface{}{
						"vol-123": "/dev/sdb",
						"vol-456": "/dev/sdc",
					},
				}

				err := bootstrap()
				Expect(err).To(HaveOccurred())
			})

			It("does not try to mount when no persistent disk", func() {
				settingsService.Settings.Disks = boshsettings.Disks{
					Persistent: map[string]interface{}{},
				}

				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(platform.MountPersistentDiskSettings).To(Equal(boshsettings.DiskSettings{}))
				Expect(platform.MountPersistentDiskMountPoint).To(Equal(""))
			})

			It("grows the root filesystem", func() {
				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(platform.SetupRootDiskCalledTimes).To(Equal(1))
			})

			It("returns an error if growing the root filesystem fails", func() {
				platform.SetupRootDiskError = errors.New("growfs failed")

				err := bootstrap()
				Expect(err).To(HaveOccurred())
				Expect(platform.SetupRootDiskCalledTimes).To(Equal(1))
				Expect(err.Error()).To(ContainSubstring("growfs failed"))
			})

			It("sets root and vcap passwords", func() {
				settingsService.Settings.Env.Bosh.Password = "******"
				settingsService.Settings.Env.Bosh.KeepRootPassword = false

				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(2).To(Equal(len(platform.UserPasswords)))
				Expect("some-encrypted-password").To(Equal(platform.UserPasswords["root"]))
				Expect("some-encrypted-password").To(Equal(platform.UserPasswords["vcap"]))
			})

			It("does not change root password if keep_root_password is set to true", func() {
				settingsService.Settings.Env.Bosh.Password = "******"
				settingsService.Settings.Env.Bosh.KeepRootPassword = true

				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(1).To(Equal(len(platform.UserPasswords)))
				Expect("some-encrypted-password").ToNot(Equal(platform.UserPasswords["root"]))
				Expect("some-encrypted-password").To(Equal(platform.UserPasswords["vcap"]))
			})

			It("does not set password if not provided", func() {
				settingsService.Settings.Env.Bosh.KeepRootPassword = false

				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(0).To(Equal(len(platform.UserPasswords)))
			})

			It("sets ntp", func() {
				settingsService.Settings.Ntp = []string{
					"0.north-america.pool.ntp.org",
					"1.north-america.pool.ntp.org",
				}

				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(2).To(Equal(len(platform.SetTimeWithNtpServersServers)))
				Expect("0.north-america.pool.ntp.org").To(Equal(platform.SetTimeWithNtpServersServers[0]))
				Expect("1.north-america.pool.ntp.org").To(Equal(platform.SetTimeWithNtpServersServers[1]))
			})

			It("setups up monit user", func() {
				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(platform.SetupMonitUserSetup).To(BeTrue())
			})

			It("starts monit", func() {
				err := bootstrap()
				Expect(err).NotTo(HaveOccurred())
				Expect(platform.StartMonitStarted).To(BeTrue())
			})
		})

		Describe("Network setup exercised by Run", func() {
			var (
				settingsJSON string

				fs                     *fakesys.FakeFileSystem
				platform               boshplatform.Platform
				boot                   Bootstrap
				defaultNetworkResolver boshsettings.DefaultNetworkResolver
				logger                 boshlog.Logger
				dirProvider            boshdirs.Provider

				interfaceAddrsProvider *fakeip.FakeInterfaceAddressesProvider
			)

			writeNetworkDevice := func(iface string, macAddress string, isPhysical bool) string {
				interfacePath := fmt.Sprintf("/sys/class/net/%s", iface)
				fs.WriteFile(interfacePath, []byte{})
				if isPhysical {
					fs.WriteFile(fmt.Sprintf("/sys/class/net/%s/device", iface), []byte{})
				}
				fs.WriteFileString(fmt.Sprintf("/sys/class/net/%s/address", iface), fmt.Sprintf("%s\n", macAddress))

				return interfacePath
			}

			stubInterfaces := func(interfaces [][]string) {
				var interfacePaths []string

				for _, iface := range interfaces {
					interfaceName := iface[0]
					interfaceMAC := iface[1]
					interfaceType := iface[2]
					isPhysical := interfaceType == "physical"
					interfacePaths = append(interfacePaths, writeNetworkDevice(interfaceName, interfaceMAC, isPhysical))
				}

				fs.SetGlob("/sys/class/net/*", interfacePaths)
			}

			BeforeEach(func() {
				fs = fakesys.NewFakeFileSystem()
				runner := fakesys.NewFakeCmdRunner()
				dirProvider = boshdirs.NewProvider("/var/vcap/bosh")

				linuxOptions := boshplatform.LinuxOptions{
					CreatePartitionIfNoEphemeralDisk: true,
				}

				logger = boshlog.NewLogger(boshlog.LevelNone)

				diskManager := fakedisk.NewFakeDiskManager()
				diskManager.FakeMountsSearcher.SearchMountsMounts = []boshdisk.Mount{
					{MountPoint: "/", PartitionPath: "rootfs"},
					{MountPoint: "/", PartitionPath: "/dev/vda1"},
				}

				// for the GrowRootFS call to findRootDevicePath
				runner.AddCmdResult(
					"readlink -f /dev/vda1",
					fakesys.FakeCmdResult{Stdout: "/dev/vda1"},
				)

				// for the createEphemeralPartitionsOnRootDevice call to findRootDevicePath
				runner.AddCmdResult(
					"readlink -f /dev/vda1",
					fakesys.FakeCmdResult{Stdout: "/dev/vda1"},
				)

				diskManager.FakeRootDevicePartitioner.GetDeviceSizeInBytesSizes["/dev/vda"] = 1024 * 1024 * 1024

				udev := boshudev.NewConcreteUdevDevice(runner, logger)
				linuxCdrom := boshcdrom.NewLinuxCdrom("/dev/sr0", udev, runner)
				linuxCdutil := boshcdrom.NewCdUtil(dirProvider.SettingsDir(), fs, linuxCdrom, logger)

				compressor := boshcmd.NewTarballCompressor(runner, fs)
				copier := boshcmd.NewCpCopier(runner, fs, logger)

				sigarCollector := boshsigar.NewSigarStatsCollector(&sigar.ConcreteSigar{})

				vitalsService := boshvitals.NewService(sigarCollector, dirProvider)

				ipResolver := boship.NewResolver(boship.NetworkInterfaceToAddrsFunc)

				arping := bosharp.NewArping(runner, fs, logger, boshplatform.ArpIterations, boshplatform.ArpIterationDelay, boshplatform.ArpInterfaceCheckDelay)
				interfaceConfigurationCreator := boshnet.NewInterfaceConfigurationCreator(logger)

				interfaceAddrsProvider = &fakeip.FakeInterfaceAddressesProvider{}
				interfaceAddressesValidator := boship.NewInterfaceAddressesValidator(interfaceAddrsProvider)
				dnsValidator := boshnet.NewDNSValidator(fs)
				fs.WriteFileString("/etc/resolv.conf", "8.8.8.8 4.4.4.4")
				ubuntuNetManager := boshnet.NewUbuntuNetManager(fs, runner, ipResolver, interfaceConfigurationCreator, interfaceAddressesValidator, dnsValidator, arping, logger)

				ubuntuCertManager := boshcert.NewUbuntuCertManager(fs, runner, 1, logger)

				monitRetryable := boshplatform.NewMonitRetryable(runner)
				monitRetryStrategy := boshretry.NewAttemptRetryStrategy(10, 1*time.Second, monitRetryable, logger)

				devicePathResolver := devicepathresolver.NewIdentityDevicePathResolver()

				routesSearcher := boshnet.NewCmdRoutesSearcher(runner)
				defaultNetworkResolver = boshnet.NewDefaultNetworkResolver(routesSearcher, ipResolver)
				state, err := boshplatform.NewBootstrapState(fs, "/tmp/agent_state.json")
				Expect(err).NotTo(HaveOccurred())

				platform = boshplatform.NewLinuxPlatform(
					fs,
					runner,
					sigarCollector,
					compressor,
					copier,
					dirProvider,
					vitalsService,
					linuxCdutil,
					diskManager,
					ubuntuNetManager,
					ubuntuCertManager,
					monitRetryStrategy,
					devicePathResolver,
					500*time.Millisecond,
					state,
					linuxOptions,
					logger,
					defaultNetworkResolver,
				)
			})

			JustBeforeEach(func() {
				settingsPath := filepath.Join("bosh", "settings.json")

				var settings boshsettings.Settings
				json.Unmarshal([]byte(settingsJSON), &settings)

				settingsSource := fakeinf.FakeSettingsSource{
					PublicKey:     "123",
					SettingsValue: settings,
				}

				settingsService := boshsettings.NewService(
					platform.GetFs(),
					settingsPath,
					settingsSource,
					platform,
					logger,
				)

				boot = NewBootstrap(
					platform,
					dirProvider,
					settingsService,
					logger,
				)
			})

			Context("when a single network configuration is provided, with a MAC address", func() {
				BeforeEach(func() {
					settingsJSON = `{
					"networks": {
						"netA": {
							"default": ["dns", "gateway"],
							"ip": "2.2.2.2",
							"dns": [
								"8.8.8.8",
								"4.4.4.4"
							],
							"netmask": "255.255.255.0",
							"gateway": "2.2.2.0",
							"mac": "aa:bb:cc"
						}
					}
				}`
				})

				Context("and no physical network interfaces exist", func() {
					Context("and a single virtual network interface exists", func() {
						BeforeEach(func() {
							stubInterfaces([][]string{[]string{"lo", "aa:bb:cc", "virtual"}})
						})

						It("raises an error", func() {
							err := boot.Run()
							Expect(err).To(HaveOccurred())
							Expect(err.Error()).To(ContainSubstring("Number of network settings '1' is greater than the number of network devices '0"))
						})
					})
				})

				Context("and a single physical network interface exists", func() {
					BeforeEach(func() {
						stubInterfaces([][]string{[]string{"eth0", "aa:bb:cc", "physical"}})
						interfaceAddrsProvider.GetInterfaceAddresses = []boship.InterfaceAddress{
							boship.NewSimpleInterfaceAddress("eth0", "2.2.2.2"),
						}
					})

					It("succeeds", func() {
						err := boot.Run()
						Expect(err).NotTo(HaveOccurred())
					})
				})

				Context("and extra physical network interfaces exist", func() {
					BeforeEach(func() {
						stubInterfaces([][]string{[]string{"eth0", "aa:bb:cc", "physical"}, []string{"eth1", "aa:bb:dd", "physical"}})
						interfaceAddrsProvider.GetInterfaceAddresses = []boship.InterfaceAddress{
							boship.NewSimpleInterfaceAddress("eth0", "2.2.2.2"),
						}
					})

					It("succeeds", func() {
						err := boot.Run()
						Expect(err).NotTo(HaveOccurred())
					})
				})

				Context("and extra virtual network interfaces exist", func() {
					BeforeEach(func() {
						stubInterfaces([][]string{[]string{"eth0", "aa:bb:cc", "physical"}, []string{"lo", "aa:bb:ee", "virtual"}})
						interfaceAddrsProvider.GetInterfaceAddresses = []boship.InterfaceAddress{
							boship.NewSimpleInterfaceAddress("eth0", "2.2.2.2"),
						}
					})

					It("succeeds", func() {
						err := boot.Run()
						Expect(err).ToNot(HaveOccurred())
					})
				})
			})

			Context("when a single network configuration is provided, without a MAC address", func() {
				BeforeEach(func() {
					settingsJSON = `{
					"networks": {
						"netA": {
							"default": ["dns", "gateway"],
							"ip": "2.2.2.2",
							"dns": [
								"8.8.8.8",
								"4.4.4.4"
							],
							"netmask": "255.255.255.0",
							"gateway": "2.2.2.0"
						}
					}
				}`
				})

				Context("and no physical network interfaces exist", func() {
					Context("and a single virtual network interface exists", func() {
						BeforeEach(func() {
							stubInterfaces([][]string{[]string{"lo", "aa:bb:cc", "virtual"}})
						})

						It("raises an error", func() {
							err := boot.Run()
							Expect(err).To(HaveOccurred())
							Expect(err.Error()).To(ContainSubstring("Number of network settings '1' is greater than the number of network devices '0"))
						})
					})
				})

				Context("and a single physical network interface exists", func() {
					BeforeEach(func() {
						stubInterfaces([][]string{[]string{"eth0", "aa:bb:cc", "physical"}})
						interfaceAddrsProvider.GetInterfaceAddresses = []boship.InterfaceAddress{
							boship.NewSimpleInterfaceAddress("eth0", "2.2.2.2"),
						}
					})

					It("succeeds", func() {
						err := boot.Run()
						Expect(err).NotTo(HaveOccurred())
					})
				})

				Context("and extra physical network interfaces exist", func() {
					BeforeEach(func() {
						stubInterfaces([][]string{[]string{"eth0", "aa:bb:cc", "physical"}, []string{"eth1", "aa:bb:dd", "physical"}})
						interfaceAddrsProvider.GetInterfaceAddresses = []boship.InterfaceAddress{
							boship.NewSimpleInterfaceAddress("eth0", "2.2.2.2"),
						}
					})

					It("succeeds", func() {
						err := boot.Run()
						Expect(err).NotTo(HaveOccurred())
					})
				})

				Context("and an extra virtual network interface exists", func() {
					BeforeEach(func() {
						stubInterfaces([][]string{[]string{"eth0", "aa:bb:cc", "physical"}, []string{"lo", "aa:bb:dd", "virtual"}})
						interfaceAddrsProvider.GetInterfaceAddresses = []boship.InterfaceAddress{
							boship.NewSimpleInterfaceAddress("eth0", "2.2.2.2"),
						}
					})

					It("succeeds", func() {
						err := boot.Run()
						Expect(err).NotTo(HaveOccurred())
					})
				})
			})

			Context("when two network configurations are provided", func() {
				BeforeEach(func() {
					settingsJSON = `{
					"networks": {
						"netA": {
							"default": ["dns", "gateway"],
							"ip": "2.2.2.2",
							"dns": [
								"8.8.8.8",
								"4.4.4.4"
							],
							"netmask": "255.255.255.0",
							"gateway": "2.2.2.0",
							"mac": "aa:bb:cc"
						},
						"netB": {
							"default": ["dns", "gateway"],
							"ip": "3.3.3.3",
							"dns": [
								"8.8.8.8",
								"4.4.4.4"
							],
							"netmask": "255.255.255.0",
							"gateway": "3.3.3.0",
							"mac": ""
						}
					}
				}`
				})

				Context("and a single physical network interface exists", func() {
					BeforeEach(func() {
						stubInterfaces([][]string{[]string{"eth0", "aa:bb:cc", "physical"}})
					})

					It("raises an error", func() {
						err := boot.Run()
						Expect(err).To(HaveOccurred())
						Expect(err.Error()).To(ContainSubstring("Number of network settings '2' is greater than the number of network devices '1"))
					})
				})

				Context("and two physical network interfaces with matching MAC addresses exist", func() {
					BeforeEach(func() {
						stubInterfaces([][]string{[]string{"eth0", "aa:bb:cc", "physical"}, []string{"eth1", "aa:bb:dd", "physical"}})
						interfaceAddrsProvider.GetInterfaceAddresses = []boship.InterfaceAddress{
							boship.NewSimpleInterfaceAddress("eth0", "2.2.2.2"),
							boship.NewSimpleInterfaceAddress("eth1", "3.3.3.3"),
						}
					})

					It("succeeds", func() {
						err := boot.Run()
						Expect(err).ToNot(HaveOccurred())
					})
				})
			})
		})
	})
}
Ejemplo n.º 6
0
func buildMigrateDiskAction() (platform *fakeplatform.FakePlatform, action MigrateDiskAction) {
	platform = fakeplatform.NewFakePlatform()
	dirProvider := boshdirs.NewProvider("/foo")
	action = NewMigrateDisk(platform, dirProvider)
	return
}
Ejemplo n.º 7
0
func init() {
	Describe("Agent", func() {
		var (
			logger           boshlog.Logger
			handler          *fakembus.FakeHandler
			platform         *fakeplatform.FakePlatform
			actionDispatcher *fakeagent.FakeActionDispatcher
			jobSupervisor    *fakejobsuper.FakeJobSupervisor
			specService      *fakeas.FakeV1Service
			syslogServer     *fakesyslog.FakeServer
			settingsService  *fakesettings.FakeSettingsService
			uuidGenerator    *fakeuuid.FakeGenerator
			timeService      *fakeclock.FakeClock
			agent            Agent
		)

		BeforeEach(func() {
			logger = boshlog.NewLogger(boshlog.LevelNone)
			handler = &fakembus.FakeHandler{}
			platform = fakeplatform.NewFakePlatform()
			actionDispatcher = &fakeagent.FakeActionDispatcher{}
			jobSupervisor = fakejobsuper.NewFakeJobSupervisor()
			specService = fakeas.NewFakeV1Service()
			syslogServer = &fakesyslog.FakeServer{}
			settingsService = &fakesettings.FakeSettingsService{}
			uuidGenerator = &fakeuuid.FakeGenerator{}
			timeService = fakeclock.NewFakeClock(time.Now())
			agent = New(
				logger,
				handler,
				platform,
				actionDispatcher,
				jobSupervisor,
				specService,
				syslogServer,
				5*time.Millisecond,
				settingsService,
				uuidGenerator,
				timeService,
			)
		})

		Describe("Run", func() {
			It("lets dispatcher handle requests arriving via handler", func() {
				err := agent.Run()
				Expect(err).ToNot(HaveOccurred())

				expectedResp := boshhandler.NewValueResponse("pong")
				actionDispatcher.DispatchResp = expectedResp

				req := boshhandler.NewRequest("fake-reply", "fake-action", []byte("fake-payload"))
				resp := handler.RunFunc(req)

				Expect(actionDispatcher.DispatchReq).To(Equal(req))
				Expect(resp).To(Equal(expectedResp))
			})

			It("resumes persistent actions *before* dispatching new requests", func() {
				resumedBeforeStartingToDispatch := false
				handler.RunCallBack = func() {
					resumedBeforeStartingToDispatch = actionDispatcher.ResumedPreviouslyDispatchedTasks
				}

				err := agent.Run()
				Expect(err).ToNot(HaveOccurred())
				Expect(resumedBeforeStartingToDispatch).To(BeTrue())
			})

			Context("when heartbeats can be sent", func() {
				BeforeEach(func() {
					handler.KeepOnRunning()
				})

				BeforeEach(func() {
					jobName := "fake-job"
					nodeID := "node-id"
					jobIndex := 1
					specService.Spec = boshas.V1ApplySpec{
						JobSpec: boshas.JobSpec{Name: &jobName},
						Index:   &jobIndex,
						NodeID:  nodeID,
					}

					jobSupervisor.StatusStatus = "fake-state"

					platform.FakeVitalsService.GetVitals = boshvitals.Vitals{
						Load: []string{"a", "b", "c"},
					}
				})

				expectedJobName := "fake-job"
				expectedJobIndex := 1
				expectedNodeID := "node-id"
				expectedHb := Heartbeat{
					Job:      &expectedJobName,
					Index:    &expectedJobIndex,
					JobState: "fake-state",
					NodeID:   expectedNodeID,
					Vitals:   boshvitals.Vitals{Load: []string{"a", "b", "c"}},
				}

				It("sends initial heartbeat", func() {
					// Configure periodic heartbeat every 5 hours
					// so that we are sure that we will not receive it
					agent = New(
						logger,
						handler,
						platform,
						actionDispatcher,
						jobSupervisor,
						specService,
						syslogServer,
						5*time.Hour,
						settingsService,
						uuidGenerator,
						timeService,
					)

					// Immediately exit after sending initial heartbeat
					handler.SendErr = errors.New("stop")

					err := agent.Run()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("stop"))

					Expect(handler.SendInputs()).To(Equal([]fakembus.SendInput{
						{
							Target:  boshhandler.HealthMonitor,
							Topic:   boshhandler.Heartbeat,
							Message: expectedHb,
						},
					}))
				})

				It("sends periodic heartbeats", func() {
					sentRequests := 0
					handler.SendCallback = func(_ fakembus.SendInput) {
						sentRequests++
						if sentRequests == 3 {
							handler.SendErr = errors.New("stop")
						}
					}

					err := agent.Run()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("stop"))

					Expect(handler.SendInputs()).To(Equal([]fakembus.SendInput{
						{
							Target:  boshhandler.HealthMonitor,
							Topic:   boshhandler.Heartbeat,
							Message: expectedHb,
						},
						{
							Target:  boshhandler.HealthMonitor,
							Topic:   boshhandler.Heartbeat,
							Message: expectedHb,
						},
						{
							Target:  boshhandler.HealthMonitor,
							Topic:   boshhandler.Heartbeat,
							Message: expectedHb,
						},
					}))
				})
			})

			Context("when the agent fails to get job spec for a heartbeat", func() {
				BeforeEach(func() {
					specService.GetErr = errors.New("fake-spec-service-error")
					handler.KeepOnRunning()
				})

				It("returns the error", func() {
					err := agent.Run()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-spec-service-error"))
				})
			})

			Context("when the agent fails to get vitals for a heartbeat", func() {
				BeforeEach(func() {
					platform.FakeVitalsService.GetErr = errors.New("fake-vitals-service-error")
					handler.KeepOnRunning()
				})

				It("returns the error", func() {
					err := agent.Run()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-vitals-service-error"))
				})
			})

			It("sends job monitoring alerts to health manager", func() {
				handler.KeepOnRunning()

				monitAlert := boshalert.MonitAlert{
					ID:          "fake-monit-alert",
					Service:     "fake-service",
					Event:       "fake-event",
					Action:      "fake-action",
					Date:        "Sun, 22 May 2011 20:07:41 +0500",
					Description: "fake-description",
				}
				jobSupervisor.JobFailureAlert = &monitAlert

				// Fail the first time handler.Send is called for an alert (ignore heartbeats)
				handler.SendCallback = func(input fakembus.SendInput) {
					if input.Topic == boshhandler.Alert {
						handler.SendErr = errors.New("stop")
					}
				}

				err := agent.Run()
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("stop"))

				expectedAlert := boshalert.Alert{
					ID:        "fake-monit-alert",
					Severity:  boshalert.SeverityDefault,
					Title:     "fake-service - fake-event - fake-action",
					Summary:   "fake-description",
					CreatedAt: int64(1306076861),
				}

				Expect(handler.SendInputs()).To(ContainElement(fakembus.SendInput{
					Target:  boshhandler.HealthMonitor,
					Topic:   boshhandler.Alert,
					Message: expectedAlert,
				}))
			})

			It("sends ssh alerts to health manager", func() {
				handler.KeepOnRunning()

				syslogMsg := boshsyslog.Msg{Content: "disconnected by user"}
				syslogServer.StartFirstSyslogMsg = &syslogMsg

				uuidGenerator.GeneratedUUID = "fake-uuid"

				// Fail the first time handler.Send is called for an alert (ignore heartbeats)
				handler.SendCallback = func(input fakembus.SendInput) {
					if input.Topic == boshhandler.Alert {
						handler.SendErr = errors.New("stop")
					}
				}

				err := agent.Run()
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("stop"))

				expectedAlert := boshalert.Alert{
					ID:        "fake-uuid",
					Severity:  boshalert.SeverityWarning,
					Title:     "SSH Logout",
					Summary:   "disconnected by user",
					CreatedAt: timeService.Now().Unix(),
				}

				Expect(handler.SendInputs()).To(ContainElement(fakembus.SendInput{
					Target:  boshhandler.HealthMonitor,
					Topic:   boshhandler.Alert,
					Message: expectedAlert,
				}))
			})
		})
	})
}
Ejemplo n.º 8
0
func init() {
	Describe("ApplyAction", func() {
		var (
			applier         *fakeappl.FakeApplier
			specService     *fakeas.FakeV1Service
			settingsService *fakesettings.FakeSettingsService
			platform        *fakeplatform.FakePlatform
			dualDCSupport   *nimbus.DualDCSupport
			logger          boshlog.Logger
			action          ApplyAction
		)

		BeforeEach(func() {
			applier = fakeappl.NewFakeApplier()
			specService = fakeas.NewFakeV1Service()
			settingsService = &fakesettings.FakeSettingsService{}
			platform = fakeplatform.NewFakePlatform()
			logger = boshlog.NewLogger(boshlog.LevelNone)
			dualDCSupport = nimbus.NewDualDCSupport(
				platform.GetRunner(),
				platform.GetFs(),
				platform.GetDirProvider(),
				specService,
				settingsService,
				logger,
			)

			action = NewApply(applier, specService, settingsService, dualDCSupport, platform)
		})

		It("apply should be asynchronous", func() {
			Expect(action.IsAsynchronous()).To(BeTrue())
		})

		It("is not persistent", func() {
			Expect(action.IsPersistent()).To(BeFalse())
		})

		Describe("Run", func() {
			settings := boshsettings.Settings{AgentID: "fake-agent-id"}

			BeforeEach(func() {
				settingsService.Settings = settings
			})

			Context("when desired spec has configuration hash", func() {
				currentApplySpec := boshas.V1ApplySpec{ConfigurationHash: "fake-current-config-hash"}
				desiredApplySpec := boshas.V1ApplySpec{ConfigurationHash: "fake-desired-config-hash"}
				populatedDesiredApplySpec := boshas.V1ApplySpec{
					ConfigurationHash: "fake-populated-desired-config-hash",
				}

				Context("when current spec can be retrieved", func() {
					BeforeEach(func() {
						specService.Spec = currentApplySpec
					})

					It("populates dynamic networks in desired spec", func() {
						_, err := action.Run(desiredApplySpec)
						Expect(err).ToNot(HaveOccurred())
						Expect(specService.PopulateDHCPNetworksSpec).To(Equal(desiredApplySpec))
						Expect(specService.PopulateDHCPNetworksSettings).To(Equal(settings))
					})

					Context("when resolving dynamic networks succeeds", func() {
						BeforeEach(func() {
							specService.PopulateDHCPNetworksResultSpec = populatedDesiredApplySpec
						})

						It("runs applier with populated desired spec", func() {
							_, err := action.Run(desiredApplySpec)
							Expect(err).ToNot(HaveOccurred())
							Expect(applier.Applied).To(BeTrue())
							Expect(applier.ApplyCurrentApplySpec).To(Equal(currentApplySpec))
							Expect(applier.ApplyDesiredApplySpec).To(Equal(populatedDesiredApplySpec))
						})

						Context("when applier succeeds applying desired spec", func() {
							Context("when saving desires spec as current spec succeeds", func() {
								It("returns 'applied' after setting populated desired spec as current spec", func() {
									value, err := action.Run(desiredApplySpec)
									Expect(err).ToNot(HaveOccurred())
									Expect(value).To(Equal("applied"))

									Expect(specService.Spec).To(Equal(populatedDesiredApplySpec))
								})
							})

							Context("when saving populated desires spec as current spec fails", func() {
								It("returns error because agent was not able to remember that is converged to desired spec", func() {
									specService.SetErr = errors.New("fake-set-error")

									_, err := action.Run(desiredApplySpec)
									Expect(err).To(HaveOccurred())
									Expect(err.Error()).To(ContainSubstring("fake-set-error"))
								})
							})
						})

						Context("when applier fails applying desired spec", func() {
							BeforeEach(func() {
								applier.ApplyError = errors.New("fake-apply-error")
							})

							It("returns error", func() {
								_, err := action.Run(desiredApplySpec)
								Expect(err).To(HaveOccurred())
								Expect(err.Error()).To(ContainSubstring("fake-apply-error"))
							})

							It("does not save desired spec as current spec", func() {
								_, err := action.Run(desiredApplySpec)
								Expect(err).To(HaveOccurred())
								Expect(specService.Spec).To(Equal(currentApplySpec))
							})
						})
					})

					Context("when resolving dynamic networks fails", func() {
						BeforeEach(func() {
							specService.PopulateDHCPNetworksErr = errors.New("fake-populate-dynamic-networks-err")
						})

						It("returns error", func() {
							_, err := action.Run(desiredApplySpec)
							Expect(err).To(HaveOccurred())
							Expect(err.Error()).To(ContainSubstring("fake-populate-dynamic-networks-err"))
						})

						It("does not apply desired spec as current spec", func() {
							_, err := action.Run(desiredApplySpec)
							Expect(err).To(HaveOccurred())
							Expect(applier.Applied).To(BeFalse())
						})

						It("does not save desired spec as current spec", func() {
							_, err := action.Run(desiredApplySpec)
							Expect(err).To(HaveOccurred())
							Expect(specService.Spec).To(Equal(currentApplySpec))
						})
					})
				})

				Context("when current spec cannot be retrieved", func() {
					BeforeEach(func() {
						specService.Spec = currentApplySpec
						specService.GetErr = errors.New("fake-get-error")
					})

					It("returns error and does not apply desired spec", func() {
						_, err := action.Run(desiredApplySpec)
						Expect(err).To(HaveOccurred())
						Expect(err.Error()).To(ContainSubstring("fake-get-error"))
					})

					It("does not run applier with desired spec", func() {
						_, err := action.Run(desiredApplySpec)
						Expect(err).To(HaveOccurred())
						Expect(applier.Applied).To(BeFalse())
					})

					It("does not save desired spec as current spec", func() {
						_, err := action.Run(desiredApplySpec)
						Expect(err).To(HaveOccurred())
						Expect(specService.Spec).To(Equal(currentApplySpec))
					})
				})
			})

			Context("when desired spec does not have a configuration hash", func() {
				desiredApplySpec := boshas.V1ApplySpec{
					JobSpec: boshas.JobSpec{
						Template: "fake-job-template",
					},
				}

				populatedDesiredApplySpec := boshas.V1ApplySpec{
					JobSpec: boshas.JobSpec{
						Template: "fake-populated-job-template",
					},
				}

				It("populates dynamic networks in desired spec", func() {
					_, err := action.Run(desiredApplySpec)
					Expect(err).ToNot(HaveOccurred())
					Expect(specService.PopulateDHCPNetworksSpec).To(Equal(desiredApplySpec))
					Expect(specService.PopulateDHCPNetworksSettings).To(Equal(settings))
				})

				Context("when resolving dynamic networks succeeds", func() {
					BeforeEach(func() {
						specService.PopulateDHCPNetworksResultSpec = populatedDesiredApplySpec
					})

					Context("when saving desires spec as current spec succeeds", func() {
						It("returns 'applied' after setting desired spec as current spec", func() {
							value, err := action.Run(desiredApplySpec)
							Expect(err).ToNot(HaveOccurred())
							Expect(value).To(Equal("applied"))

							Expect(specService.Spec).To(Equal(populatedDesiredApplySpec))
						})

						It("does not try to apply desired spec since it does not have jobs and packages", func() {
							_, err := action.Run(desiredApplySpec)
							Expect(err).ToNot(HaveOccurred())
							Expect(applier.Applied).To(BeFalse())
						})
					})

					Context("when saving desires spec as current spec fails", func() {
						BeforeEach(func() {
							specService.SetErr = errors.New("fake-set-error")
						})

						It("returns error because agent was not able to remember that is converged to desired spec", func() {
							_, err := action.Run(desiredApplySpec)
							Expect(err).To(HaveOccurred())
							Expect(err.Error()).To(ContainSubstring("fake-set-error"))
						})

						It("does not try to apply desired spec since it does not have jobs and packages", func() {
							_, err := action.Run(desiredApplySpec)
							Expect(err).To(HaveOccurred())
							Expect(applier.Applied).To(BeFalse())
						})
					})
				})

				Context("when resolving dynamic networks fails", func() {
					BeforeEach(func() {
						specService.PopulateDHCPNetworksErr = errors.New("fake-populate-dynamic-networks-err")
					})

					It("returns error", func() {
						_, err := action.Run(desiredApplySpec)
						Expect(err).To(HaveOccurred())
						Expect(err.Error()).To(ContainSubstring("fake-populate-dynamic-networks-err"))
					})

					It("does not apply desired spec as current spec", func() {
						_, err := action.Run(desiredApplySpec)
						Expect(err).To(HaveOccurred())
						Expect(applier.Applied).To(BeFalse())
					})

					It("does not save desired spec as current spec", func() {
						_, err := action.Run(desiredApplySpec)
						Expect(err).To(HaveOccurred())
						Expect(specService.Spec).ToNot(Equal(desiredApplySpec))
					})
				})
			})
		})
	})
}
func describeConfigDriveMetadataService() {
	var (
		metadataService MetadataService
		resolver        *fakeinf.FakeDNSResolver
		platform        *fakeplatform.FakePlatform
		logger          boshlog.Logger
	)

	updateMetadata := func(metadataContents MetadataContentsType) {
		metadataJSON, err := json.Marshal(metadataContents)
		Expect(err).ToNot(HaveOccurred())
		platform.SetGetFilesContentsFromDisk("/fake-disk-path-1/fake-metadata-path", metadataJSON, nil)

		Expect(metadataService.IsAvailable()).To(BeTrue())
	}

	updateUserdata := func(userdataContents string) {
		platform.SetGetFilesContentsFromDisk("/fake-disk-path-1/fake-userdata-path", []byte(userdataContents), nil)

		Expect(metadataService.IsAvailable()).To(BeTrue())
	}

	BeforeEach(func() {
		resolver = &fakeinf.FakeDNSResolver{}
		platform = fakeplatform.NewFakePlatform()
		logger = boshlog.NewLogger(boshlog.LevelNone)
		diskPaths := []string{
			"/fake-disk-path-1",
			"/fake-disk-path-2",
		}
		metadataService = NewConfigDriveMetadataService(
			resolver,
			platform,
			diskPaths,
			"fake-metadata-path",
			"fake-userdata-path",
			logger,
		)

		userdataContents := fmt.Sprintf(`{"server":{"name":"fake-server-name"},"registry":{"endpoint":"fake-registry-endpoint"}}`)
		platform.SetGetFilesContentsFromDisk("/fake-disk-path-1/fake-userdata-path", []byte(userdataContents), nil)

		metadata := MetadataContentsType{
			PublicKeys: map[string]PublicKeyType{
				"0": PublicKeyType{
					"openssh-key": "fake-openssh-key",
				},
			},
			InstanceID: "fake-instance-id",
		}
		updateMetadata(metadata)
	})

	Describe("GetNetworks", func() {
		It("returns the network settings", func() {
			userdataContents := `
				{
					"networks": {
						"network_1": {"type": "manual", "ip": "1.2.3.4", "netmask": "2.3.4.5", "gateway": "3.4.5.6", "default": ["dns"], "dns": ["8.8.8.8"], "mac": "fake-mac-address-1"},
						"network_2": {"type": "dynamic", "default": ["dns"], "dns": ["8.8.8.8"], "mac": "fake-mac-address-2"}
					}
				}`
			updateUserdata(userdataContents)

			networks, err := metadataService.GetNetworks()
			Expect(err).ToNot(HaveOccurred())
			Expect(networks).To(Equal(boshsettings.Networks{
				"network_1": boshsettings.Network{
					Type:    "manual",
					IP:      "1.2.3.4",
					Netmask: "2.3.4.5",
					Gateway: "3.4.5.6",
					Default: []string{"dns"},
					DNS:     []string{"8.8.8.8"},
					Mac:     "fake-mac-address-1",
				},
				"network_2": boshsettings.Network{
					Type:    "dynamic",
					Default: []string{"dns"},
					DNS:     []string{"8.8.8.8"},
					Mac:     "fake-mac-address-2",
				},
			}))
		})

		It("returns a nil Networks if the settings are missing (from an old CPI version)", func() {
			userdataContents := `{}`
			updateUserdata(userdataContents)

			networks, err := metadataService.GetNetworks()
			Expect(err).ToNot(HaveOccurred())
			Expect(networks).To(BeNil())
		})
	})

	Describe("IsAvailable", func() {
		It("return true when it can load successfully", func() {
			Expect(metadataService.IsAvailable()).To(BeTrue())
		})

		It("returns an error if it fails to read meta-data.json from disk", func() {
			platform.SetGetFilesContentsFromDisk("/fake-disk-path-1/fake-metadata-path", []byte{}, errors.New("fake-read-disk-error"))
			Expect(metadataService.IsAvailable()).To(BeFalse())
		})

		It("tries to load meta-data.json from potential disk locations", func() {
			platform.SetGetFilesContentsFromDisk("/fake-disk-path-1/fake-metadata-path", []byte{}, errors.New("fake-read-disk-error"))
			Expect(metadataService.IsAvailable()).To(BeFalse())

			Expect(platform.GetFileContentsFromDiskDiskPaths).To(ContainElement("/fake-disk-path-1"))
			Expect(platform.GetFileContentsFromDiskDiskPaths).To(ContainElement("/fake-disk-path-2"))
		})

		It("returns an error if it fails to parse meta-data.json contents", func() {
			platform.SetGetFilesContentsFromDisk("/fake-disk-path-1/fake-metadata-path", []byte("broken"), nil)
			Expect(metadataService.IsAvailable()).To(BeFalse())
		})

		It("returns an error if it fails to read user_data from disk", func() {
			platform.SetGetFilesContentsFromDisk("/fake-disk-path-1/fake-userdata-path", []byte{}, errors.New("fake-read-disk-error"))
			Expect(metadataService.IsAvailable()).To(BeFalse())
		})

		It("returns an error if it fails to parse user_data contents", func() {
			platform.SetGetFilesContentsFromDisk("/fake-disk-path-1/fake-userdata-path", []byte("broken"), nil)
			Expect(metadataService.IsAvailable()).To(BeFalse())
		})

		Context("when disk paths are not given", func() {
			It("returns false", func() {
				metadataService = NewConfigDriveMetadataService(
					resolver,
					platform,
					[]string{},
					"fake-metadata-path",
					"fake-userdata-path",
					logger,
				)
				Expect(metadataService.IsAvailable()).To(BeFalse())
			})
		})
	})

	Describe("GetPublicKey", func() {
		It("returns public key", func() {
			value, err := metadataService.GetPublicKey()
			Expect(err).ToNot(HaveOccurred())
			Expect(value).To(Equal("fake-openssh-key"))
		})

		It("returns an error if it fails to get ssh key", func() {
			updateMetadata(MetadataContentsType{})

			value, err := metadataService.GetPublicKey()
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("Failed to load openssh-key from config drive metadata service"))

			Expect(value).To(Equal(""))
		})
	})

	Describe("GetInstanceID", func() {
		It("returns instance id", func() {
			value, err := metadataService.GetInstanceID()
			Expect(err).ToNot(HaveOccurred())
			Expect(value).To(Equal("fake-instance-id"))
		})

		It("returns an error if it fails to get instance id", func() {
			updateMetadata(MetadataContentsType{})

			value, err := metadataService.GetInstanceID()
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("Failed to load instance-id from config drive metadata service"))

			Expect(value).To(Equal(""))
		})
	})

	Describe("GetServerName", func() {
		It("returns server name", func() {
			value, err := metadataService.GetServerName()
			Expect(err).ToNot(HaveOccurred())
			Expect(value).To(Equal("fake-server-name"))
		})

		It("returns an error if it fails to get server name", func() {
			updateUserdata("{}")

			value, err := metadataService.GetServerName()
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("Failed to load server name from config drive metadata service"))

			Expect(value).To(Equal(""))
		})
	})

	Describe("GetRegistryEndpoint", func() {
		It("returns an error if it fails to get registry endpoint", func() {
			updateUserdata("{}")

			value, err := metadataService.GetRegistryEndpoint()
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("Failed to load registry endpoint from config drive metadata service"))

			Expect(value).To(Equal(""))
		})

		Context("when user_data does not contain a dns server", func() {
			It("returns registry endpoint", func() {
				value, err := metadataService.GetRegistryEndpoint()
				Expect(err).ToNot(HaveOccurred())
				Expect(value).To(Equal("fake-registry-endpoint"))
			})
		})

		Context("when user_data contains a dns server", func() {
			BeforeEach(func() {
				userdataContents := fmt.Sprintf(
					`{"server":{"name":"%s"},"registry":{"endpoint":"%s"},"dns":{"nameserver":["%s"]}}`,
					"fake-server-name",
					"http://fake-registry.com",
					"fake-dns-server-ip",
				)
				updateUserdata(userdataContents)
			})

			Context("when registry endpoint is successfully resolved", func() {
				BeforeEach(func() {
					resolver.RegisterRecord(fakeinf.FakeDNSRecord{
						DNSServers: []string{"fake-dns-server-ip"},
						Host:       "http://fake-registry.com",
						IP:         "http://fake-registry-ip",
					})
				})

				It("returns the successfully resolved registry endpoint", func() {
					endpoint, err := metadataService.GetRegistryEndpoint()
					Expect(err).ToNot(HaveOccurred())
					Expect(endpoint).To(Equal("http://fake-registry-ip"))
				})
			})

			Context("when registry endpoint is not successfully resolved", func() {
				BeforeEach(func() {
					resolver.LookupHostErr = errors.New("fake-lookup-host-err")
				})

				It("returns error because it failed to resolve registry endpoint", func() {
					endpoint, err := metadataService.GetRegistryEndpoint()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-lookup-host-err"))
					Expect(endpoint).To(BeEmpty())
				})
			})
		})
	})
}
Ejemplo n.º 10
0
func init() {
	Describe("Start", func() {
		var (
			jobSupervisor   *fakejobsuper.FakeJobSupervisor
			applier         *fakeappl.FakeApplier
			specService     *fakeas.FakeV1Service
			platform        *fakeplatform.FakePlatform
			settingsService *fakesettings.FakeSettingsService
			logger          boshlog.Logger
			dualDCSupport   *nimbus.DualDCSupport
			action          StartAction
		)

		BeforeEach(func() {
			jobSupervisor = fakejobsuper.NewFakeJobSupervisor()
			applier = fakeappl.NewFakeApplier()
			specService = fakeas.NewFakeV1Service()
			action = NewStart(jobSupervisor, applier, specService, dualDCSupport, platform)
			platform = fakeplatform.NewFakePlatform()
			logger = boshlog.NewLogger(boshlog.LevelNone)
			settingsService = &fakesettings.FakeSettingsService{}
			dualDCSupport = nimbus.NewDualDCSupport(
				platform.GetRunner(),
				platform.GetFs(),
				platform.GetDirProvider(),
				specService,
				settingsService,
				logger,
			)
			action = NewStart(jobSupervisor, applier, specService, dualDCSupport, platform)
		})

		It("is synchronous", func() {
			Expect(action.IsAsynchronous()).To(BeFalse())
		})

		It("is not persistent", func() {
			Expect(action.IsPersistent()).To(BeFalse())
		})

		It("returns started", func() {
			started, err := action.Run()
			Expect(err).ToNot(HaveOccurred())
			Expect(started).To(Equal("started"))
		})

		It("starts monitor services", func() {
			_, err := action.Run()
			Expect(err).ToNot(HaveOccurred())
			Expect(jobSupervisor.Started).To(BeTrue())
		})

		It("configures jobs", func() {
			_, err := action.Run()
			Expect(err).ToNot(HaveOccurred())
			Expect(applier.Configured).To(BeTrue())
		})

		It("apply errs if a job fails configuring", func() {
			applier.ConfiguredError = errors.New("fake error")
			_, err := action.Run()

			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("Configuring jobs"))
		})
	})
}
Ejemplo n.º 11
0
func buildSSHAction(settingsService boshsettings.Service) (*fakeplatform.FakePlatform, SSHAction) {
	platform := fakeplatform.NewFakePlatform()
	dirProvider := boshdirs.NewDirectoriesProvider("/foo")
	action := NewSSH(settingsService, platform, dirProvider)
	return platform, action
}
func describeHTTPMetadataService() {
	var (
		metadataHeaders map[string]string
		dnsResolver     *fakeinf.FakeDNSResolver
		platform        *fakeplat.FakePlatform
		logger          boshlog.Logger
		metadataService MetadataService
	)

	BeforeEach(func() {
		metadataHeaders = make(map[string]string)
		metadataHeaders["key"] = "value"
		dnsResolver = &fakeinf.FakeDNSResolver{}
		platform = fakeplat.NewFakePlatform()
		logger = boshlog.NewLogger(boshlog.LevelNone)
		metadataService = NewHTTPMetadataService("fake-metadata-host", metadataHeaders, "/user-data", "/instanceid", "/ssh-keys", dnsResolver, platform, logger)
	})

	ItEnsuresMinimalNetworkSetup := func(subject func() (string, error)) {
		Context("when no networks are configured", func() {
			BeforeEach(func() {
				platform.GetConfiguredNetworkInterfacesInterfaces = []string{}
			})

			It("sets up DHCP network", func() {
				_, err := subject()
				Expect(err).ToNot(HaveOccurred())

				Expect(platform.SetupNetworkingCalled).To(BeTrue())
				Expect(platform.SetupNetworkingNetworks).To(Equal(boshsettings.Networks{
					"eth0": boshsettings.Network{
						Type: "dynamic",
					},
				}))
			})

			Context("when setting up DHCP fails", func() {
				BeforeEach(func() {
					platform.SetupNetworkingErr = errors.New("fake-network-error")
				})

				It("returns an error", func() {
					_, err := subject()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-network-error"))
				})
			})
		})
	}

	Describe("IsAvailable", func() {
		It("returns true", func() {
			Expect(metadataService.IsAvailable()).To(BeTrue())
		})
	})

	Describe("GetPublicKey", func() {
		var (
			ts          *httptest.Server
			sshKeysPath string
		)

		BeforeEach(func() {
			handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				defer GinkgoRecover()

				Expect(r.Method).To(Equal("GET"))
				Expect(r.URL.Path).To(Equal("/ssh-keys"))
				Expect(r.Header.Get("key")).To(Equal("value"))

				w.Write([]byte("fake-public-key"))
			})
			ts = httptest.NewServer(handler)
		})

		AfterEach(func() {
			ts.Close()
		})

		Context("when the ssh keys path is present", func() {
			BeforeEach(func() {
				sshKeysPath = "/ssh-keys"
				metadataService = NewHTTPMetadataService(ts.URL, metadataHeaders, "/user-data", "/instanceid", sshKeysPath, dnsResolver, platform, logger)
			})

			It("returns fetched public key", func() {
				publicKey, err := metadataService.GetPublicKey()
				Expect(err).NotTo(HaveOccurred())
				Expect(publicKey).To(Equal("fake-public-key"))
			})

			ItEnsuresMinimalNetworkSetup(func() (string, error) {
				return metadataService.GetPublicKey()
			})
		})

		Context("when the ssh keys path is not present", func() {
			BeforeEach(func() {
				sshKeysPath = ""
				metadataService = NewHTTPMetadataService(ts.URL, metadataHeaders, "/user-data", "/instanceid", sshKeysPath, dnsResolver, platform, logger)
			})

			It("returns an empty ssh key", func() {
				publicKey, err := metadataService.GetPublicKey()
				Expect(err).NotTo(HaveOccurred())
				Expect(publicKey).To(BeEmpty())
			})
		})
	})

	Describe("GetInstanceID", func() {
		var (
			ts             *httptest.Server
			instanceIDPath string
		)

		BeforeEach(func() {
			handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				defer GinkgoRecover()

				Expect(r.Method).To(Equal("GET"))
				Expect(r.URL.Path).To(Equal("/instanceid"))
				Expect(r.Header.Get("key")).To(Equal("value"))

				w.Write([]byte("fake-instance-id"))
			})
			ts = httptest.NewServer(handler)
		})

		AfterEach(func() {
			ts.Close()
		})

		Context("when the instance ID path is present", func() {
			BeforeEach(func() {
				instanceIDPath = "/instanceid"
				metadataService = NewHTTPMetadataService(ts.URL, metadataHeaders, "/user-data", instanceIDPath, "/ssh-keys", dnsResolver, platform, logger)
			})

			It("returns fetched instance id", func() {
				instanceID, err := metadataService.GetInstanceID()
				Expect(err).NotTo(HaveOccurred())
				Expect(instanceID).To(Equal("fake-instance-id"))
			})

			ItEnsuresMinimalNetworkSetup(func() (string, error) {
				return metadataService.GetInstanceID()
			})
		})

		Context("when the instance ID path is not present", func() {
			BeforeEach(func() {
				instanceIDPath = ""
				metadataService = NewHTTPMetadataService(ts.URL, metadataHeaders, "/user-data", instanceIDPath, "/ssh-keys", dnsResolver, platform, logger)
			})

			It("returns an empty instance ID", func() {
				instanceID, err := metadataService.GetInstanceID()
				Expect(err).NotTo(HaveOccurred())
				Expect(instanceID).To(BeEmpty())
			})
		})
	})

	Describe("GetServerName", func() {
		var (
			ts         *httptest.Server
			serverName *string
		)

		handlerFunc := func(w http.ResponseWriter, r *http.Request) {
			defer GinkgoRecover()

			Expect(r.Method).To(Equal("GET"))
			Expect(r.URL.Path).To(Equal("/user-data"))
			Expect(r.Header.Get("key")).To(Equal("value"))

			var jsonStr string

			if serverName == nil {
				jsonStr = `{}`
			} else {
				jsonStr = fmt.Sprintf(`{"server":{"name":"%s"}}`, *serverName)
			}

			w.Write([]byte(jsonStr))
		}

		BeforeEach(func() {
			serverName = nil

			handler := http.HandlerFunc(handlerFunc)
			ts = httptest.NewServer(handler)
			metadataService = NewHTTPMetadataService(ts.URL, metadataHeaders, "/user-data", "/instanceid", "/ssh-keys", dnsResolver, platform, logger)
		})

		AfterEach(func() {
			ts.Close()
		})

		Context("when the server name is present in the JSON", func() {
			BeforeEach(func() {
				name := "fake-server-name"
				serverName = &name
			})

			It("returns the server name", func() {
				name, err := metadataService.GetServerName()
				Expect(err).ToNot(HaveOccurred())
				Expect(name).To(Equal("fake-server-name"))
			})

			ItEnsuresMinimalNetworkSetup(func() (string, error) {
				return metadataService.GetServerName()
			})
		})

		Context("when the server name is not present in the JSON", func() {
			BeforeEach(func() {
				serverName = nil
			})

			It("returns an error", func() {
				name, err := metadataService.GetServerName()
				Expect(err).To(HaveOccurred())
				Expect(name).To(BeEmpty())
			})
		})
	})

	Describe("GetRegistryEndpoint", func() {
		var (
			ts          *httptest.Server
			registryURL *string
			dnsServer   *string
		)

		handlerFunc := func(w http.ResponseWriter, r *http.Request) {
			defer GinkgoRecover()

			Expect(r.Method).To(Equal("GET"))
			Expect(r.URL.Path).To(Equal("/user-data"))
			Expect(r.Header.Get("key")).To(Equal("value"))

			var jsonStr string

			if dnsServer == nil {
				jsonStr = fmt.Sprintf(`{"registry":{"endpoint":"%s"}}`, *registryURL)
			} else {
				jsonStr = fmt.Sprintf(`{
					"registry":{"endpoint":"%s"},
					"dns":{"nameserver":["%s"]}
				}`, *registryURL, *dnsServer)
			}

			w.Write([]byte(jsonStr))
		}

		BeforeEach(func() {
			url := "http://fake-registry.com"
			registryURL = &url
			dnsServer = nil

			handler := http.HandlerFunc(handlerFunc)
			ts = httptest.NewServer(handler)
			metadataService = NewHTTPMetadataService(ts.URL, metadataHeaders, "/user-data", "/instanceid", "/ssh-keys", dnsResolver, platform, logger)
		})

		AfterEach(func() {
			ts.Close()
		})

		ItEnsuresMinimalNetworkSetup(func() (string, error) {
			return metadataService.GetRegistryEndpoint()
		})

		Context("when metadata contains a dns server", func() {
			BeforeEach(func() {
				server := "fake-dns-server-ip"
				dnsServer = &server
			})

			Context("when registry endpoint is successfully resolved", func() {
				BeforeEach(func() {
					dnsResolver.RegisterRecord(fakeinf.FakeDNSRecord{
						DNSServers: []string{"fake-dns-server-ip"},
						Host:       "http://fake-registry.com",
						IP:         "http://fake-registry-ip",
					})
				})

				It("returns the successfully resolved registry endpoint", func() {
					endpoint, err := metadataService.GetRegistryEndpoint()
					Expect(err).ToNot(HaveOccurred())
					Expect(endpoint).To(Equal("http://fake-registry-ip"))
				})
			})

			Context("when registry endpoint is not successfully resolved", func() {
				BeforeEach(func() {
					dnsResolver.LookupHostErr = errors.New("fake-lookup-host-err")
				})

				It("returns error because it failed to resolve registry endpoint", func() {
					endpoint, err := metadataService.GetRegistryEndpoint()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-lookup-host-err"))
					Expect(endpoint).To(BeEmpty())
				})
			})
		})

		Context("when metadata does not contain dns servers", func() {
			It("returns fetched registry endpoint", func() {
				endpoint, err := metadataService.GetRegistryEndpoint()
				Expect(err).NotTo(HaveOccurred())
				Expect(endpoint).To(Equal("http://fake-registry.com"))
			})
		})
	})

	Describe("GetNetworks", func() {
		It("returns nil networks, since you don't need them for bootstrapping since your network must be set up before you can get the metadata", func() {
			Expect(metadataService.GetNetworks()).To(BeNil())
		})
	})

	Describe("Retryable Metadata Service Request", func() {
		var (
			ts          *httptest.Server
			registryURL *string
			dnsServer   *string
		)

		createHandlerFunc := func(count int) func(http.ResponseWriter, *http.Request) {
			initialCount := 0
			return func(w http.ResponseWriter, r *http.Request) {
				if initialCount < count {
					initialCount++
					http.Error(w, http.StatusText(500), 500)
					return
				}

				var jsonStr string
				if dnsServer == nil {
					jsonStr = fmt.Sprintf(`{"registry":{"endpoint":"%s"}}`, *registryURL)
				} else {
					jsonStr = fmt.Sprintf(`{
					"registry":{"endpoint":"%s"},
					"dns":{"nameserver":["%s"]}
				}`, *registryURL, *dnsServer)
				}
				w.Write([]byte(jsonStr))
			}
		}

		BeforeEach(func() {
			url := "http://fake-registry.com"
			registryURL = &url
			dnsServer = nil
		})

		AfterEach(func() {
			ts.Close()
		})

		Context("when server returns an HTTP Response with status code ==2xx (as defined by the request retryable) within 10 retries", func() {

			BeforeEach(func() {
				dnsResolver.RegisterRecord(fakeinf.FakeDNSRecord{
					DNSServers: []string{"fake-dns-server-ip"},
					Host:       "http://fake-registry.com",
					IP:         "http://fake-registry-ip",
				})
			})

			It("returns the successfully resolved registry endpoint", func() {
				handler := http.HandlerFunc(createHandlerFunc(9))
				ts = httptest.NewServer(handler)
				metadataService = NewHTTPMetadataServiceWithCustomRetryDelay(ts.URL, metadataHeaders, "/user-data", "/instanceid", "/ssh-keys", dnsResolver, platform, logger, 0*time.Second)

				endpoint, err := metadataService.GetRegistryEndpoint()
				Expect(err).ToNot(HaveOccurred())
				Expect(endpoint).To(Equal("http://fake-registry.com"))
			})

		})

		Context("when server returns an HTTP Response with status code !=2xx (as defined by the request retryable) more than 10 times", func() {
			It("returns an error containing the HTTP Response", func() {
				handler := http.HandlerFunc(createHandlerFunc(10))
				ts = httptest.NewServer(handler)
				metadataService = NewHTTPMetadataServiceWithCustomRetryDelay(ts.URL, metadataHeaders, "/user-data", "/instanceid", "/ssh-keys", dnsResolver, platform, logger, 0*time.Second)

				_, err := metadataService.GetRegistryEndpoint()
				Expect(err).ToNot(BeNil())
				Expect(err.Error()).To(Equal(fmt.Sprintf("Getting user data: Getting user data from url %s/user-data: Request failed, response: Response{ StatusCode: 500, Status: '500 Internal Server Error' }", ts.URL)))
			})

		})

	})
}
Ejemplo n.º 13
0
func init() {
	Describe("natsHandler", func() {
		var (
			settingsService *fakesettings.FakeSettingsService
			client          *fakeyagnats.FakeYagnats
			logger          boshlog.Logger
			handler         boshhandler.Handler
			platform        *fakeplatform.FakePlatform
			loggerOutBuf    *bytes.Buffer
			loggerErrBuf    *bytes.Buffer
		)

		BeforeEach(func() {
			settingsService = &fakesettings.FakeSettingsService{
				Settings: boshsettings.Settings{
					AgentID: "my-agent-id",
					Mbus:    "nats://*****:*****@127.0.0.1:1234",
				},
			}

			loggerOutBuf = bytes.NewBufferString("")
			loggerErrBuf = bytes.NewBufferString("")
			logger = boshlog.NewWriterLogger(boshlog.LevelError, loggerOutBuf, loggerErrBuf)

			client = fakeyagnats.New()
			platform = fakeplatform.NewFakePlatform()
			handler = NewNatsHandler(settingsService, client, logger, platform)
		})

		Describe("Start", func() {
			It("starts", func() {
				var receivedRequest boshhandler.Request

				handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					receivedRequest = req
					return boshhandler.NewValueResponse("expected value")
				})
				defer handler.Stop()

				Expect(client.ConnectedConnectionProvider()).ToNot(BeNil())

				Expect(client.SubscriptionCount()).To(Equal(1))
				subscriptions := client.Subscriptions("agent.my-agent-id")
				Expect(len(subscriptions)).To(Equal(1))

				expectedPayload := []byte(`{"method":"ping","arguments":["foo","bar"], "reply_to": "reply to me!"}`)
				subscription := subscriptions[0]
				subscription.Callback(&yagnats.Message{
					Subject: "agent.my-agent-id",
					Payload: expectedPayload,
				})

				Expect(receivedRequest).To(Equal(boshhandler.Request{
					ReplyTo: "reply to me!",
					Method:  "ping",
					Payload: expectedPayload,
				}))

				Expect(client.PublishedMessageCount()).To(Equal(1))
				messages := client.PublishedMessages("reply to me!")
				Expect(len(messages)).To(Equal(1))
				Expect(messages[0].Payload).To(Equal([]byte(`{"value":"expected value"}`)))
			})

			It("cleans up ip-mac address cache for nats configured with ip address", func() {
				handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					return nil
				})
				defer handler.Stop()

				Expect(platform.CleanedIPMacAddressCache).To(Equal("127.0.0.1"))
				Expect(client.ConnectedConnectionProvider()).ToNot(BeNil())
			})

			It("does not try to clean up ip-mac address cache for nats configured with hostname", func() {
				settingsService.Settings.Mbus = "nats://*****:*****@fake-hostname.com:1234"
				handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					return nil
				})
				defer handler.Stop()

				Expect(platform.CleanedIPMacAddressCache).To(BeEmpty())
				Expect(client.ConnectedConnectionProvider()).ToNot(BeNil())
			})

			It("logs error and proceeds if it fails to clean up ip-mac address cache for nats", func() {
				platform.CleanIPMacAddressCacheErr = errors.New("failed to run")
				handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					return nil
				})
				defer handler.Stop()

				Expect(platform.CleanedIPMacAddressCache).To(Equal("127.0.0.1"))
				Expect(loggerErrBuf).To(ContainSubstring("ERROR - Cleaning ip-mac address cache for: 127.0.0.1"))
				Expect(client.ConnectedConnectionProvider()).ToNot(BeNil())
			})

			It("does not respond if the response is nil", func() {
				err := handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					return nil
				})
				Expect(err).ToNot(HaveOccurred())
				defer handler.Stop()

				subscription := client.Subscriptions("agent.my-agent-id")[0]
				subscription.Callback(&yagnats.Message{
					Subject: "agent.my-agent-id",
					Payload: []byte(`{"method":"ping","arguments":["foo","bar"], "reply_to": "reply to me!"}`),
				})

				Expect(client.PublishedMessageCount()).To(Equal(0))
			})

			It("responds with an error if the response is bigger than 1MB", func() {
				err := handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					// gets inflated by json.Marshal when enveloping
					size := 0

					switch req.Method {
					case "small":
						size = 1024*1024 - 12
					case "big":
						size = 1024 * 1024
					default:
						panic("unknown request size")
					}

					chars := make([]byte, size)
					for i := range chars {
						chars[i] = 'A'
					}
					return boshhandler.NewValueResponse(string(chars))
				})
				Expect(err).ToNot(HaveOccurred())
				defer handler.Stop()

				subscription := client.Subscriptions("agent.my-agent-id")[0]
				subscription.Callback(&yagnats.Message{
					Subject: "agent.my-agent-id",
					Payload: []byte(`{"method":"small","arguments":[], "reply_to": "fake-reply-to"}`),
				})

				subscription.Callback(&yagnats.Message{
					Subject: "agent.my-agent-id",
					Payload: []byte(`{"method":"big","arguments":[], "reply_to": "fake-reply-to"}`),
				})

				Expect(client.PublishedMessageCount()).To(Equal(1))
				messages := client.PublishedMessages("fake-reply-to")
				Expect(len(messages)).To(Equal(2))
				Expect(messages[0].Payload).To(MatchRegexp("value"))
				Expect(messages[1].Payload).To(Equal([]byte(
					`{"exception":{"message":"Response exceeded maximum allowed length"}}`)))
			})

			It("can add additional handler funcs to receive requests", func() {
				var firstHandlerReq, secondHandlerRequest boshhandler.Request

				handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					firstHandlerReq = req
					return boshhandler.NewValueResponse("first-handler-resp")
				})
				defer handler.Stop()

				handler.RegisterAdditionalFunc(func(req boshhandler.Request) (resp boshhandler.Response) {
					secondHandlerRequest = req
					return boshhandler.NewValueResponse("second-handler-resp")
				})

				expectedPayload := []byte(`{"method":"ping","arguments":["foo","bar"], "reply_to": "fake-reply-to"}`)

				subscription := client.Subscriptions("agent.my-agent-id")[0]
				subscription.Callback(&yagnats.Message{
					Subject: "agent.my-agent-id",
					Payload: expectedPayload,
				})

				// Expected requests received by both handlers
				Expect(firstHandlerReq).To(Equal(boshhandler.Request{
					ReplyTo: "fake-reply-to",
					Method:  "ping",
					Payload: expectedPayload,
				}))

				Expect(secondHandlerRequest).To(Equal(boshhandler.Request{
					ReplyTo: "fake-reply-to",
					Method:  "ping",
					Payload: expectedPayload,
				}))

				// Bosh handler responses were sent
				Expect(client.PublishedMessageCount()).To(Equal(1))
				messages := client.PublishedMessages("fake-reply-to")
				Expect(len(messages)).To(Equal(2))
				Expect(messages[0].Payload).To(Equal([]byte(`{"value":"first-handler-resp"}`)))
				Expect(messages[1].Payload).To(Equal([]byte(`{"value":"second-handler-resp"}`)))
			})

			It("has the correct connection info", func() {
				err := handler.Start(func(req boshhandler.Request) (res boshhandler.Response) { return })
				Expect(err).ToNot(HaveOccurred())
				defer handler.Stop()

				Expect(client.ConnectedConnectionProvider()).To(Equal(&yagnats.ConnectionInfo{
					Addr:     "127.0.0.1:1234",
					Username: "******",
					Password: "******",
				}))
			})

			It("does not err when no username and password", func() {
				settingsService.Settings.Mbus = "nats://127.0.0.1:1234"
				handler = NewNatsHandler(settingsService, client, logger, platform)

				err := handler.Start(func(req boshhandler.Request) (res boshhandler.Response) { return })
				Expect(err).ToNot(HaveOccurred())
				defer handler.Stop()
			})

			It("errs when has username without password", func() {
				settingsService.Settings.Mbus = "nats://[email protected]:1234"
				handler = NewNatsHandler(settingsService, client, logger, platform)

				err := handler.Start(func(req boshhandler.Request) (res boshhandler.Response) { return })
				Expect(err).To(HaveOccurred())
				defer handler.Stop()
			})
		})

		Describe("Send", func() {
			It("sends the message over nats to a subject that includes the target and topic", func() {
				errCh := make(chan error, 1)

				payload := map[string]string{"key1": "value1", "keyA": "valueA"}

				go func() {
					errCh <- handler.Send(boshhandler.HealthMonitor, boshhandler.Heartbeat, payload)
				}()

				var err error
				select {
				case err = <-errCh:
				}
				Expect(err).ToNot(HaveOccurred())

				Expect(client.PublishedMessageCount()).To(Equal(1))
				messages := client.PublishedMessages("hm.agent.heartbeat.my-agent-id")
				Expect(messages).To(HaveLen(1))
				Expect(messages[0].Payload).To(Equal(
					[]byte("{\"key1\":\"value1\",\"keyA\":\"valueA\"}"),
				))
			})
		})
	})
}
Ejemplo n.º 14
0
		blobstore           *fakeblobstore.FakeBlobstore
		taskService         *faketask.FakeService
		notifier            *fakenotif.FakeNotifier
		applier             *fakeappl.FakeApplier
		compiler            *fakecomp.FakeCompiler
		jobSupervisor       *fakejobsuper.FakeJobSupervisor
		specService         *fakeas.FakeV1Service
		drainScriptProvider boshdrain.ScriptProvider
		jobScriptProvider   boshscript.JobScriptProvider
		factory             Factory
		logger              boshlog.Logger
	)

	BeforeEach(func() {
		settingsService = &fakesettings.FakeSettingsService{}
		platform = fakeplatform.NewFakePlatform()
		blobstore = &fakeblobstore.FakeBlobstore{}
		taskService = &faketask.FakeService{}
		notifier = fakenotif.NewFakeNotifier()
		applier = fakeappl.NewFakeApplier()
		compiler = fakecomp.NewFakeCompiler()
		jobSupervisor = fakejobsuper.NewFakeJobSupervisor()
		specService = fakeas.NewFakeV1Service()
		drainScriptProvider = boshdrain.NewConcreteScriptProvider(nil, nil, platform.GetDirProvider())
		jobScriptProvider = &fakescript.FakeJobScriptProvider{}
		logger = boshlog.NewLogger(boshlog.LevelNone)

		factory = NewFactory(
			settingsService,
			platform,
			blobstore,
func describeHTTPMetadataService() {
	var (
		dnsResolver     *fakeinf.FakeDNSResolver
		platform        *fakeplat.FakePlatform
		logger          boshlog.Logger
		metadataService MetadataService
	)

	BeforeEach(func() {
		dnsResolver = &fakeinf.FakeDNSResolver{}
		platform = fakeplat.NewFakePlatform()
		logger = boshlog.NewLogger(boshlog.LevelNone)
		metadataService = NewHTTPMetadataService("fake-metadata-host", dnsResolver, platform, logger)
	})

	ItEnsuresMinimalNetworkSetup := func(subject func() (string, error)) {
		Context("when no networks are configured", func() {
			BeforeEach(func() {
				platform.GetConfiguredNetworkInterfacesInterfaces = []string{}
			})

			It("sets up DHCP network", func() {
				_, err := subject()
				Expect(err).ToNot(HaveOccurred())

				Expect(platform.SetupNetworkingCalled).To(BeTrue())
				Expect(platform.SetupNetworkingNetworks).To(Equal(boshsettings.Networks{
					"eth0": boshsettings.Network{
						Type: "dynamic",
					},
				}))
			})

			Context("when setting up DHCP fails", func() {
				BeforeEach(func() {
					platform.SetupNetworkingErr = errors.New("fake-network-error")
				})

				It("returns an error", func() {
					_, err := subject()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-network-error"))
				})
			})
		})
	}

	Describe("IsAvailable", func() {
		It("returns true", func() {
			Expect(metadataService.IsAvailable()).To(BeTrue())
		})
	})

	Describe("GetPublicKey", func() {
		var (
			ts *httptest.Server
		)

		BeforeEach(func() {
			handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				GinkgoRecover()

				Expect(r.Method).To(Equal("GET"))
				Expect(r.URL.Path).To(Equal("/latest/meta-data/public-keys/0/openssh-key"))

				w.Write([]byte("fake-public-key"))
			})

			ts = httptest.NewServer(handler)

			metadataService = NewHTTPMetadataService(ts.URL, dnsResolver, platform, logger)
		})

		AfterEach(func() {
			ts.Close()
		})

		ItEnsuresMinimalNetworkSetup(func() (string, error) {
			return metadataService.GetPublicKey()
		})

		It("returns fetched public key", func() {
			publicKey, err := metadataService.GetPublicKey()
			Expect(err).NotTo(HaveOccurred())
			Expect(publicKey).To(Equal("fake-public-key"))
		})
	})

	Describe("GetInstanceID", func() {
		var (
			ts *httptest.Server
		)

		BeforeEach(func() {
			handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				GinkgoRecover()

				Expect(r.Method).To(Equal("GET"))
				Expect(r.URL.Path).To(Equal("/latest/meta-data/instance-id"))

				w.Write([]byte("fake-instance-id"))
			})

			ts = httptest.NewServer(handler)

			metadataService = NewHTTPMetadataService(ts.URL, dnsResolver, platform, logger)
		})

		AfterEach(func() {
			ts.Close()
		})

		ItEnsuresMinimalNetworkSetup(func() (string, error) {
			return metadataService.GetInstanceID()
		})

		It("returns fetched instance id", func() {
			publicKey, err := metadataService.GetInstanceID()
			Expect(err).NotTo(HaveOccurred())
			Expect(publicKey).To(Equal("fake-instance-id"))
		})
	})

	Describe("GetServerName", func() {
		var (
			ts         *httptest.Server
			serverName *string
		)

		handlerFunc := func(w http.ResponseWriter, r *http.Request) {
			GinkgoRecover()

			Expect(r.Method).To(Equal("GET"))
			Expect(r.URL.Path).To(Equal("/latest/user-data"))

			var jsonStr string

			if serverName == nil {
				jsonStr = `{}`
			} else {
				jsonStr = fmt.Sprintf(`{"server":{"name":"%s"}}`, *serverName)
			}

			w.Write([]byte(jsonStr))
		}

		BeforeEach(func() {
			serverName = nil

			handler := http.HandlerFunc(handlerFunc)
			ts = httptest.NewServer(handler)
			metadataService = NewHTTPMetadataService(ts.URL, dnsResolver, platform, logger)
		})

		AfterEach(func() {
			ts.Close()
		})

		Context("when the server name is present in the JSON", func() {
			BeforeEach(func() {
				name := "fake-server-name"
				serverName = &name
			})

			It("returns the server name", func() {
				name, err := metadataService.GetServerName()
				Expect(err).ToNot(HaveOccurred())
				Expect(name).To(Equal("fake-server-name"))
			})

			ItEnsuresMinimalNetworkSetup(func() (string, error) {
				return metadataService.GetServerName()
			})
		})

		Context("when the server name is not present in the JSON", func() {
			BeforeEach(func() {
				serverName = nil
			})

			It("returns an error", func() {
				name, err := metadataService.GetServerName()
				Expect(err).To(HaveOccurred())
				Expect(name).To(BeEmpty())
			})
		})
	})

	Describe("GetRegistryEndpoint", func() {
		var (
			ts          *httptest.Server
			registryURL *string
			dnsServer   *string
		)

		handlerFunc := func(w http.ResponseWriter, r *http.Request) {
			GinkgoRecover()

			Expect(r.Method).To(Equal("GET"))
			Expect(r.URL.Path).To(Equal("/latest/user-data"))

			var jsonStr string

			if dnsServer == nil {
				jsonStr = fmt.Sprintf(`{"registry":{"endpoint":"%s"}}`, *registryURL)
			} else {
				jsonStr = fmt.Sprintf(`{
					"registry":{"endpoint":"%s"},
					"dns":{"nameserver":["%s"]}
				}`, *registryURL, *dnsServer)
			}

			w.Write([]byte(jsonStr))
		}

		BeforeEach(func() {
			url := "http://fake-registry.com"
			registryURL = &url
			dnsServer = nil

			handler := http.HandlerFunc(handlerFunc)
			ts = httptest.NewServer(handler)
			metadataService = NewHTTPMetadataService(ts.URL, dnsResolver, platform, logger)
		})

		AfterEach(func() {
			ts.Close()
		})

		ItEnsuresMinimalNetworkSetup(func() (string, error) {
			return metadataService.GetRegistryEndpoint()
		})

		Context("when metadata contains a dns server", func() {
			BeforeEach(func() {
				server := "fake-dns-server-ip"
				dnsServer = &server
			})

			Context("when registry endpoint is successfully resolved", func() {
				BeforeEach(func() {
					dnsResolver.RegisterRecord(fakeinf.FakeDNSRecord{
						DNSServers: []string{"fake-dns-server-ip"},
						Host:       "http://fake-registry.com",
						IP:         "http://fake-registry-ip",
					})
				})

				It("returns the successfully resolved registry endpoint", func() {
					endpoint, err := metadataService.GetRegistryEndpoint()
					Expect(err).ToNot(HaveOccurred())
					Expect(endpoint).To(Equal("http://fake-registry-ip"))
				})
			})

			Context("when registry endpoint is not successfully resolved", func() {
				BeforeEach(func() {
					dnsResolver.LookupHostErr = errors.New("fake-lookup-host-err")
				})

				It("returns error because it failed to resolve registry endpoint", func() {
					endpoint, err := metadataService.GetRegistryEndpoint()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-lookup-host-err"))
					Expect(endpoint).To(BeEmpty())
				})
			})
		})

		Context("when metadata does not contain dns servers", func() {
			It("returns fetched registry endpoint", func() {
				endpoint, err := metadataService.GetRegistryEndpoint()
				Expect(err).NotTo(HaveOccurred())
				Expect(endpoint).To(Equal("http://fake-registry.com"))
			})
		})
	})

	Describe("GetNetworks", func() {
		It("returns nil networks, since you don't need them for bootstrapping since your network must be set up before you can get the metadata", func() {
			Expect(metadataService.GetNetworks()).To(BeNil())
		})
	})
}
Ejemplo n.º 16
0
func init() {
	Describe("provider", func() {
		var (
			platform              *fakeplatform.FakePlatform
			client                *fakemonit.FakeMonitClient
			logger                boshlog.Logger
			dirProvider           boshdir.Provider
			jobFailuresServerPort int
			handler               *fakembus.FakeHandler
			provider              Provider
			timeService           clock.Clock
		)

		BeforeEach(func() {
			platform = fakeplatform.NewFakePlatform()
			client = fakemonit.NewFakeMonitClient()
			logger = boshlog.NewLogger(boshlog.LevelNone)
			dirProvider = boshdir.NewProvider("/fake-base-dir")
			jobFailuresServerPort = 2825
			handler = &fakembus.FakeHandler{}
			timeService = clock.NewClock()

			provider = NewProvider(
				platform,
				client,
				logger,
				dirProvider,
				handler,
			)
		})

		It("provides a monit job supervisor", func() {
			actualSupervisor, err := provider.Get("monit")
			Expect(err).ToNot(HaveOccurred())

			expectedSupervisor := NewMonitJobSupervisor(
				platform.Fs,
				platform.Runner,
				client,
				logger,
				dirProvider,
				jobFailuresServerPort,
				MonitReloadOptions{
					MaxTries:               3,
					MaxCheckTries:          6,
					DelayBetweenCheckTries: 5 * time.Second,
				},
				timeService,
			)
			Expect(actualSupervisor).To(Equal(expectedSupervisor))
		})

		It("provides a dummy job supervisor", func() {
			actualSupervisor, err := provider.Get("dummy")
			Expect(err).ToNot(HaveOccurred())

			expectedSupervisor := NewDummyJobSupervisor()
			Expect(actualSupervisor).To(Equal(expectedSupervisor))
		})

		It("provides a dummy nats job supervisor", func() {
			actualSupervisor, err := provider.Get("dummy-nats")
			Expect(err).NotTo(HaveOccurred())

			expectedSupervisor := NewDummyNatsJobSupervisor(handler)
			Expect(actualSupervisor).To(Equal(expectedSupervisor))
		})

		It("returns an error when the supervisor is not found", func() {
			_, err := provider.Get("does-not-exist")
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("does-not-exist could not be found"))
		})
	})
}
func describeInstanceMetadataSettingsSource() {
	var (
		metadataHeaders map[string]string
		settingsPath    string
		platform        *fakeplat.FakePlatform
		logger          boshlog.Logger
		metadataSource  *InstanceMetadataSettingsSource
	)

	BeforeEach(func() {
		metadataHeaders = make(map[string]string)
		metadataHeaders["key"] = "value"
		settingsPath = "/computeMetadata/v1/instance/attributes/bosh_settings"
		platform = fakeplat.NewFakePlatform()
		logger = boshlog.NewLogger(boshlog.LevelNone)
		metadataSource = NewInstanceMetadataSettingsSource("http://fake-metadata-host", metadataHeaders, settingsPath, platform, logger)
	})

	Describe("PublicSSHKeyForUsername", func() {
		It("returns an empty string", func() {
			publicKey, err := metadataSource.PublicSSHKeyForUsername("fake-username")
			Expect(err).ToNot(HaveOccurred())
			Expect(publicKey).To(Equal(""))
		})
	})

	Describe("Settings", func() {
		var (
			ts *httptest.Server
		)

		handlerFunc := func(w http.ResponseWriter, r *http.Request) {
			defer GinkgoRecover()

			Expect(r.Method).To(Equal("GET"))
			Expect(r.URL.Path).To(Equal(settingsPath))
			Expect(r.Header.Get("key")).To(Equal("value"))

			var jsonStr string

			jsonStr = `{"agent_id": "123"}`

			w.Write([]byte(jsonStr))
		}

		BeforeEach(func() {
			handler := http.HandlerFunc(handlerFunc)
			ts = httptest.NewServer(handler)
			metadataSource = NewInstanceMetadataSettingsSource(ts.URL, metadataHeaders, settingsPath, platform, logger)
		})

		AfterEach(func() {
			ts.Close()
		})

		It("returns settings read from the instance metadata endpoint", func() {
			settings, err := metadataSource.Settings()
			Expect(err).NotTo(HaveOccurred())
			Expect(settings.AgentID).To(Equal("123"))
		})

		It("returns an error if reading from the instance metadata endpoint fails", func() {
			metadataSource = NewInstanceMetadataSettingsSource("bad-registry-endpoint", metadataHeaders, settingsPath, platform, logger)
			_, err := metadataSource.Settings()
			Expect(err).To(HaveOccurred())
		})

	})
}