CID:  "fake-disk-cid",
					Size: 1024,
					CloudProperties: biproperty.Map{
						"fake-disk-property-key": "fake-disk-property-value",
					},
				},
			}
			deploymentStateFileContents, err := json.Marshal(biproperty.Map{
				"director_id":     "fake-director-id",
				"deployment_id":   "fake-deployment-id",
				"stemcells":       stemcells,
				"current_vm_cid":  "fake-vm-cid",
				"current_disk_id": "fake-disk-id",
				"disks":           disks,
			})
			fakeFs.WriteFile(deploymentStatePath, deploymentStateFileContents)

			deploymentState, err := service.Load()
			Expect(err).NotTo(HaveOccurred())
			Expect(deploymentState.DirectorID).To(Equal("fake-director-id"))
			Expect(deploymentState.Stemcells).To(Equal(stemcells))
			Expect(deploymentState.CurrentVMCID).To(Equal("fake-vm-cid"))
			Expect(deploymentState.CurrentDiskID).To(Equal("fake-disk-id"))
			Expect(deploymentState.Disks).To(Equal(disks))
		})

		Context("when the config does not exist", func() {
			It("returns a new DeploymentState with generated defaults", func() {
				deploymentState, err := service.Load()
				Expect(err).NotTo(HaveOccurred())
				Expect(deploymentState).To(Equal(DeploymentState{
Exemple #2
0
	var (
		fs        *fakesys.FakeFileSystem
		cmdRunner *fakesys.FakeCmdRunner
		arping    AddressBroadcaster
	)

	BeforeEach(func() {
		fs = fakesys.NewFakeFileSystem()
		cmdRunner = fakesys.NewFakeCmdRunner()
		logger := boshlog.NewLogger(boshlog.LevelNone)
		arping = NewArping(cmdRunner, fs, logger, arpingIterations, 0, 0)
	})

	Describe("BroadcastMACAddresses", func() {
		BeforeEach(func() {
			fs.WriteFile("/sys/class/net/eth0", []byte{})
			fs.WriteFile("/sys/class/net/eth1", []byte{})
		})

		It("runs arping commands for each interface", func() {
			addresses := []boship.InterfaceAddress{
				boship.NewSimpleInterfaceAddress("eth0", "192.168.195.6"),
				boship.NewSimpleInterfaceAddress("eth1", "127.0.0.1"),
			}

			arping.BroadcastMACAddresses(addresses)

			countA := 0
			countB := 0

			a := []string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}
func describeUbuntuNetManager() {
	var (
		fs                            *fakesys.FakeFileSystem
		cmdRunner                     *fakesys.FakeCmdRunner
		ipResolver                    *fakeip.FakeResolver
		addressBroadcaster            *fakearp.FakeAddressBroadcaster
		netManager                    UbuntuNetManager
		interfaceConfigurationCreator InterfaceConfigurationCreator
	)

	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
	}

	stubInterfacesWithVirtual := func(physicalInterfaces map[string]boshsettings.Network, virtualInterfaces []string) {
		interfacePaths := []string{}

		for iface, networkSettings := range physicalInterfaces {
			interfacePaths = append(interfacePaths, writeNetworkDevice(iface, networkSettings.Mac, true))
		}

		for _, iface := range virtualInterfaces {
			interfacePaths = append(interfacePaths, writeNetworkDevice(iface, "virtual", false))
		}

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

	stubInterfaces := func(physicalInterfaces map[string]boshsettings.Network) {
		stubInterfacesWithVirtual(physicalInterfaces, nil)
	}

	BeforeEach(func() {
		fs = fakesys.NewFakeFileSystem()
		cmdRunner = fakesys.NewFakeCmdRunner()
		ipResolver = &fakeip.FakeResolver{}
		logger := boshlog.NewLogger(boshlog.LevelNone)
		interfaceConfigurationCreator = NewInterfaceConfigurationCreator(logger)
		addressBroadcaster = &fakearp.FakeAddressBroadcaster{}
		netManager = NewUbuntuNetManager(
			fs,
			cmdRunner,
			ipResolver,
			interfaceConfigurationCreator,
			addressBroadcaster,
			logger,
		).(UbuntuNetManager)
	})

	Describe("ComputeNetworkConfig", func() {
		Context("when there is one manual network and neither is marked as default for DNS", func() {
			It("should use the manual network for DNS", func() {
				networks := boshsettings.Networks{
					"manual": factory.Network{DNS: &[]string{"8.8.8.8"}}.Build(),
				}
				stubInterfaces(networks)
				_, _, dnsServers, err := netManager.ComputeNetworkConfig(networks)
				Expect(err).ToNot(HaveOccurred())
				Expect(dnsServers).To(Equal([]string{"8.8.8.8"}))
			})
		})

		Context("when there is a vip network and a manual network and neither is marked as default for DNS", func() {
			It("should use the manual network for DNS", func() {
				networks := boshsettings.Networks{
					"vip":    boshsettings.Network{Type: "vip"},
					"manual": factory.Network{Type: "manual", DNS: &[]string{"8.8.8.8"}}.Build(),
				}
				stubInterfaces(networks)
				_, _, dnsServers, err := netManager.ComputeNetworkConfig(networks)
				Expect(err).ToNot(HaveOccurred())
				Expect(dnsServers).To(Equal([]string{"8.8.8.8"}))
			})
		})
		Context("when there is a vip network and a manual network and the manual network is marked as default for DNS", func() {
			It("should use the manual network for DNS", func() {
				networks := boshsettings.Networks{
					"vip":    boshsettings.Network{Type: "vip"},
					"manual": factory.Network{Type: "manual", DNS: &[]string{"8.8.8.8"}, Default: []string{"dns"}}.Build(),
				}
				stubInterfaces(networks)
				_, _, dnsServers, err := netManager.ComputeNetworkConfig(networks)
				Expect(err).ToNot(HaveOccurred())
				Expect(dnsServers).To(Equal([]string{"8.8.8.8"}))
			})
		})

		Context("when specified more than one DNS", func() {
			It("extracts all DNS servers from the network configured as default DNS", func() {
				networks := boshsettings.Networks{
					"default": factory.Network{
						IP:      "10.10.0.32",
						Netmask: "255.255.255.0",
						Mac:     "aa::bb::cc",
						Default: []string{"dns", "gateway"},
						DNS:     &[]string{"54.209.78.6", "127.0.0.5"},
						Gateway: "10.10.0.1",
					}.Build(),
				}
				stubInterfaces(networks)
				staticInterfaceConfigurations, dhcpInterfaceConfigurations, dnsServers, err := netManager.ComputeNetworkConfig(networks)
				Expect(err).ToNot(HaveOccurred())

				Expect(staticInterfaceConfigurations).To(Equal([]StaticInterfaceConfiguration{
					{
						Name:      "default",
						Address:   "10.10.0.32",
						Netmask:   "255.255.255.0",
						Network:   "10.10.0.0",
						Broadcast: "10.10.0.255",
						Mac:       "aa::bb::cc",
						Gateway:   "10.10.0.1",
					},
				}))
				Expect(dhcpInterfaceConfigurations).To(BeEmpty())
				Expect(dnsServers).To(Equal([]string{"54.209.78.6", "127.0.0.5"}))
			})
		})
	})

	Describe("SetupNetworking", func() {
		var (
			dhcpNetwork                                  boshsettings.Network
			staticNetwork                                boshsettings.Network
			expectedNetworkConfigurationForStaticAndDhcp string
		)

		BeforeEach(func() {
			dhcpNetwork = boshsettings.Network{
				Type:    "dynamic",
				Default: []string{"dns"},
				DNS:     []string{"8.8.8.8", "9.9.9.9"},
				Mac:     "fake-dhcp-mac-address",
			}
			staticNetwork = boshsettings.Network{
				Type:    "manual",
				IP:      "1.2.3.4",
				Netmask: "255.255.255.0",
				Gateway: "3.4.5.6",
				Mac:     "fake-static-mac-address",
			}
			expectedNetworkConfigurationForStaticAndDhcp = `# Generated by bosh-agent
auto lo
iface lo inet loopback

auto ethdhcp
iface ethdhcp inet dhcp

auto ethstatic
iface ethstatic inet static
    address 1.2.3.4
    network 1.2.3.0
    netmask 255.255.255.0
    broadcast 1.2.3.255
    gateway 3.4.5.6

dns-nameservers 8.8.8.8 9.9.9.9`
		})

		It("writes interfaces in /etc/network/interfaces in alphabetic order", func() {
			anotherDHCPNetwork := boshsettings.Network{
				Type:    "dynamic",
				Default: []string{"dns"},
				DNS:     []string{"8.8.8.8", "9.9.9.9"},
				Mac:     "fake-another-mac-address",
			}

			stubInterfaces(map[string]boshsettings.Network{
				"ethstatic": staticNetwork,
				"ethdhcp1":  dhcpNetwork,
				"ethdhcp0":  anotherDHCPNetwork,
			})

			err := netManager.SetupNetworking(boshsettings.Networks{
				"dhcp-network-1": dhcpNetwork,
				"dhcp-network-2": anotherDHCPNetwork,
				"static-network": staticNetwork,
			}, nil)
			Expect(err).ToNot(HaveOccurred())

			networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
			Expect(networkConfig).ToNot(BeNil())

			expectedNetworkConfigurationForStaticAndDhcp = `# Generated by bosh-agent
auto lo
iface lo inet loopback

auto ethdhcp0
iface ethdhcp0 inet dhcp

auto ethdhcp1
iface ethdhcp1 inet dhcp

auto ethstatic
iface ethstatic inet static
    address 1.2.3.4
    network 1.2.3.0
    netmask 255.255.255.0
    broadcast 1.2.3.255
    gateway 3.4.5.6

dns-nameservers 8.8.8.8 9.9.9.9`
			Expect(networkConfig.StringContents()).To(Equal(expectedNetworkConfigurationForStaticAndDhcp))
		})

		It("writes /etc/network/interfaces without dns-namservers if there are no dns servers", func() {
			staticNetworkWithoutDNS := boshsettings.Network{
				Type:    "manual",
				IP:      "1.2.3.4",
				Netmask: "255.255.255.0",
				Gateway: "3.4.5.6",
				Mac:     "fake-static-mac-address",
			}

			stubInterfaces(map[string]boshsettings.Network{
				"ethstatic": staticNetworkWithoutDNS,
			})

			err := netManager.SetupNetworking(boshsettings.Networks{"static-network": staticNetworkWithoutDNS}, nil)
			Expect(err).ToNot(HaveOccurred())

			networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
			Expect(networkConfig).ToNot(BeNil())
			Expect(networkConfig.StringContents()).To(Equal(`# Generated by bosh-agent
auto lo
iface lo inet loopback

auto ethstatic
iface ethstatic inet static
    address 1.2.3.4
    network 1.2.3.0
    netmask 255.255.255.0
    broadcast 1.2.3.255
    gateway 3.4.5.6
`))
		})

		It("returns errors from glob /sys/class/net/", func() {
			fs.GlobErr = errors.New("fs-glob-error")
			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("fs-glob-error"))
		})

		It("returns errors from writing the network configuration", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"dhcp":   dhcpNetwork,
				"static": staticNetwork,
			})
			fs.WriteFileError = errors.New("fs-write-file-error")
			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("fs-write-file-error"))
		})

		It("returns errors when it can't creating network interface configurations", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})
			staticNetwork.Netmask = "not an ip" //will cause InterfaceConfigurationCreator to fail
			err := netManager.SetupNetworking(boshsettings.Networks{"static-network": staticNetwork}, nil)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("Creating interface configurations"))
		})

		It("writes a dhcp configuration if there are dhcp networks", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).ToNot(HaveOccurred())

			dhcpConfig := fs.GetFileTestStat("/etc/dhcp/dhclient.conf")
			Expect(dhcpConfig).ToNot(BeNil())
			Expect(dhcpConfig.StringContents()).To(Equal(`# Generated by bosh-agent

option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;

send host-name "<hostname>";

request subnet-mask, broadcast-address, time-offset, routers,
	domain-name, domain-name-servers, domain-search, host-name,
	netbios-name-servers, netbios-scope, interface-mtu,
	rfc3442-classless-static-routes, ntp-servers;

prepend domain-name-servers 8.8.8.8, 9.9.9.9;
`))

		})

		It("writes a dhcp configuration without prepended dns servers if there are no dns servers specified", func() {
			dhcpNetworkWithoutDNS := boshsettings.Network{
				Type: "dynamic",
				Mac:  "fake-dhcp-mac-address",
			}

			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp": dhcpNetwork,
			})

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetworkWithoutDNS}, nil)
			Expect(err).ToNot(HaveOccurred())

			dhcpConfig := fs.GetFileTestStat("/etc/dhcp/dhclient.conf")
			Expect(dhcpConfig).ToNot(BeNil())
			Expect(dhcpConfig.StringContents()).To(Equal(`# Generated by bosh-agent

option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;

send host-name "<hostname>";

request subnet-mask, broadcast-address, time-offset, routers,
	domain-name, domain-name-servers, domain-search, host-name,
	netbios-name-servers, netbios-scope, interface-mtu,
	rfc3442-classless-static-routes, ntp-servers;

`))

		})

		It("returns an error if it can't write a dhcp configuration", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			fs.WriteFileErrors["/etc/dhcp/dhclient.conf"] = errors.New("dhclient.conf-write-error")

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("dhclient.conf-write-error"))
		})

		It("doesn't write a dhcp configuration if there are no dhcp networks", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethstatic": staticNetwork,
			})

			err := netManager.SetupNetworking(boshsettings.Networks{"static-network": staticNetwork}, nil)
			Expect(err).ToNot(HaveOccurred())

			dhcpConfig := fs.GetFileTestStat("/etc/dhcp/dhclient.conf")
			Expect(dhcpConfig).To(BeNil())
		})

		It("restarts the networks if /etc/network/interfaces changes", func() {
			initialDhcpConfig := `# Generated by bosh-agent

option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;

send host-name "<hostname>";

request subnet-mask, broadcast-address, time-offset, routers,
	domain-name, domain-name-servers, domain-search, host-name,
	netbios-name-servers, netbios-scope, interface-mtu,
	rfc3442-classless-static-routes, ntp-servers;

prepend domain-name-servers 8.8.8.8, 9.9.9.9;
`

			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			fs.WriteFileString("/etc/dhcp/dhclient.conf", initialDhcpConfig)

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).ToNot(HaveOccurred())

			Expect(len(cmdRunner.RunCommands)).To(Equal(5))
			Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"pkill", "dhclient"}))
			Expect(cmdRunner.RunCommands[1:3]).To(ContainElement([]string{"resolvconf", "-d", "ethdhcp.dhclient"}))
			Expect(cmdRunner.RunCommands[1:3]).To(ContainElement([]string{"resolvconf", "-d", "ethstatic.dhclient"}))
			Expect(cmdRunner.RunCommands[3]).To(Equal([]string{"ifdown", "-a", "--no-loopback"}))
			Expect(cmdRunner.RunCommands[4]).To(Equal([]string{"ifup", "-a", "--no-loopback"}))
		})

		It("doesn't restart the networks if /etc/network/interfaces and /etc/dhcp/dhclient.conf don't change", func() {
			initialDhcpConfig := `# Generated by bosh-agent

option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;

send host-name "<hostname>";

request subnet-mask, broadcast-address, time-offset, routers,
	domain-name, domain-name-servers, domain-search, host-name,
	netbios-name-servers, netbios-scope, interface-mtu,
	rfc3442-classless-static-routes, ntp-servers;

prepend domain-name-servers 8.8.8.8, 9.9.9.9;
`
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			fs.WriteFileString("/etc/network/interfaces", expectedNetworkConfigurationForStaticAndDhcp)
			fs.WriteFileString("/etc/dhcp/dhclient.conf", initialDhcpConfig)

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).ToNot(HaveOccurred())

			networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
			Expect(networkConfig.StringContents()).To(Equal(expectedNetworkConfigurationForStaticAndDhcp))
			dhcpConfig := fs.GetFileTestStat("/etc/dhcp/dhclient.conf")
			Expect(dhcpConfig.StringContents()).To(Equal(initialDhcpConfig))

			Expect(len(cmdRunner.RunCommands)).To(Equal(0))
		})

		It("restarts the networks if /etc/dhcp/dhclient.conf changes", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			fs.WriteFileString("/etc/network/interfaces", expectedNetworkConfigurationForStaticAndDhcp)

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).ToNot(HaveOccurred())

			networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
			Expect(networkConfig.StringContents()).To(Equal(expectedNetworkConfigurationForStaticAndDhcp))

			Expect(len(cmdRunner.RunCommands)).To(Equal(5))
			Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"pkill", "dhclient"}))
			Expect(cmdRunner.RunCommands[1:3]).To(ContainElement([]string{"resolvconf", "-d", "ethdhcp.dhclient"}))
			Expect(cmdRunner.RunCommands[1:3]).To(ContainElement([]string{"resolvconf", "-d", "ethstatic.dhclient"}))
			Expect(cmdRunner.RunCommands[3]).To(Equal([]string{"ifdown", "-a", "--no-loopback"}))
			Expect(cmdRunner.RunCommands[4]).To(Equal([]string{"ifup", "-a", "--no-loopback"}))
		})

		It("broadcasts MAC addresses for all interfaces", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			errCh := make(chan error)
			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, errCh)
			Expect(err).ToNot(HaveOccurred())

			broadcastErr := <-errCh // wait for all arpings
			Expect(broadcastErr).ToNot(HaveOccurred())

			Expect(addressBroadcaster.BroadcastMACAddressesAddresses).To(Equal([]boship.InterfaceAddress{
				boship.NewSimpleInterfaceAddress("ethstatic", "1.2.3.4"),
				boship.NewResolvingInterfaceAddress("ethdhcp", ipResolver),
			}))

		})

		It("skips vip networks", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			vipNetwork := boshsettings.Network{
				Type:    "vip",
				Default: []string{"dns"},
				DNS:     []string{"8.8.8.8", "9.9.9.9"},
				Mac:     "fake-vip-mac-address",
				IP:      "9.8.7.6",
			}

			err := netManager.SetupNetworking(boshsettings.Networks{
				"dhcp-network":   dhcpNetwork,
				"static-network": staticNetwork,
				"vip-network":    vipNetwork,
			}, nil)
			Expect(err).ToNot(HaveOccurred())

			networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
			Expect(networkConfig).ToNot(BeNil())
			Expect(networkConfig.StringContents()).To(Equal(expectedNetworkConfigurationForStaticAndDhcp))
		})

		Context("when no MAC address is provided in the settings", func() {
			It("configures network for single device", func() {
				staticNetworkWithoutMAC := boshsettings.Network{
					Type:    "manual",
					IP:      "2.2.2.2",
					Netmask: "255.255.255.0",
					Gateway: "3.4.5.6",
				}

				stubInterfaces(
					map[string]boshsettings.Network{
						"ethstatic": staticNetwork,
					},
				)

				err := netManager.SetupNetworking(boshsettings.Networks{
					"static-network": staticNetworkWithoutMAC,
				}, nil)
				Expect(err).ToNot(HaveOccurred())

				networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
				Expect(networkConfig).ToNot(BeNil())

				expectedNetworkConfiguration := `# Generated by bosh-agent
auto lo
iface lo inet loopback

auto ethstatic
iface ethstatic inet static
    address 2.2.2.2
    network 2.2.2.0
    netmask 255.255.255.0
    broadcast 2.2.2.255
    gateway 3.4.5.6
`

				Expect(networkConfig.StringContents()).To(Equal(expectedNetworkConfiguration))
			})

			It("configures network for a single physical device, when a virtual device is also present", func() {
				staticNetworkWithoutMAC := boshsettings.Network{
					Type:    "manual",
					IP:      "2.2.2.2",
					Netmask: "255.255.255.0",
					Gateway: "3.4.5.6",
				}

				stubInterfacesWithVirtual(
					map[string]boshsettings.Network{
						"ethstatic": staticNetwork,
					},
					[]string{"virtual"},
				)

				err := netManager.SetupNetworking(boshsettings.Networks{
					"static-network": staticNetworkWithoutMAC,
				}, nil)
				Expect(err).ToNot(HaveOccurred())

				networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
				Expect(networkConfig).ToNot(BeNil())

				expectedNetworkConfiguration := `# Generated by bosh-agent
auto lo
iface lo inet loopback

auto ethstatic
iface ethstatic inet static
    address 2.2.2.2
    network 2.2.2.0
    netmask 255.255.255.0
    broadcast 2.2.2.255
    gateway 3.4.5.6
`

				Expect(networkConfig.StringContents()).To(Equal(expectedNetworkConfiguration))
			})
		})
	})

	Describe("GetConfiguredNetworkInterfaces", func() {
		Context("when there are network devices", func() {
			BeforeEach(func() {
				interfacePaths := []string{}
				interfacePaths = append(interfacePaths, writeNetworkDevice("fake-eth0", "aa:bb", true))
				interfacePaths = append(interfacePaths, writeNetworkDevice("fake-eth1", "cc:dd", true))
				interfacePaths = append(interfacePaths, writeNetworkDevice("fake-eth2", "ee:ff", true))
				fs.SetGlob("/sys/class/net/*", interfacePaths)
			})

			It("returns networks that are defined in /etc/network/interfaces", func() {
				cmdRunner.AddCmdResult("ifup --no-act fake-eth0", fakesys.FakeCmdResult{
					Stdout:     "",
					Stderr:     "ifup: interface fake-eth0 already configured",
					ExitStatus: 0,
				})

				cmdRunner.AddCmdResult("ifup --no-act fake-eth1", fakesys.FakeCmdResult{
					Stdout:     "",
					Stderr:     "Ignoring unknown interface fake-eth1=fake-eth1.",
					ExitStatus: 0,
				})

				cmdRunner.AddCmdResult("ifup --no-act fake-eth2", fakesys.FakeCmdResult{
					Stdout:     "",
					Stderr:     "ifup: interface fake-eth2 already configured",
					ExitStatus: 0,
				})

				interfaces, err := netManager.GetConfiguredNetworkInterfaces()
				Expect(err).ToNot(HaveOccurred())

				Expect(interfaces).To(ConsistOf("fake-eth0", "fake-eth2"))
			})
		})

		Context("when there are no network devices", func() {
			It("returns empty list", func() {
				interfaces, err := netManager.GetConfiguredNetworkInterfaces()
				Expect(err).ToNot(HaveOccurred())
				Expect(interfaces).To(Equal([]string{}))
			})
		})
	})
}
Exemple #4
0
func init() {
	Describe("settingsService", func() {
		var (
			fs                         *fakesys.FakeFileSystem
			fakeDefaultNetworkResolver *fakenet.FakeDefaultNetworkResolver
			fakeSettingsSource         *fakes.FakeSettingsSource
		)

		BeforeEach(func() {
			fs = fakesys.NewFakeFileSystem()
			fakeDefaultNetworkResolver = &fakenet.FakeDefaultNetworkResolver{}
			fakeSettingsSource = &fakes.FakeSettingsSource{}
		})

		buildService := func() (Service, *fakesys.FakeFileSystem) {
			logger := boshlog.NewLogger(boshlog.LevelNone)
			service := NewService(fs, "/setting/path.json", fakeSettingsSource, fakeDefaultNetworkResolver, logger)
			return service, fs
		}

		Describe("LoadSettings", func() {
			var (
				fetchedSettings Settings
				fetcherFuncErr  error
				service         Service
			)

			BeforeEach(func() {
				fetchedSettings = Settings{}
				fetcherFuncErr = nil
			})

			JustBeforeEach(func() {
				fakeSettingsSource.SettingsValue = fetchedSettings
				fakeSettingsSource.SettingsErr = fetcherFuncErr
				service, fs = buildService()
			})

			Context("when settings fetcher succeeds fetching settings", func() {
				BeforeEach(func() {
					fetchedSettings = Settings{AgentID: "some-new-agent-id"}
				})

				Context("when settings contain at most one dynamic network", func() {
					BeforeEach(func() {
						fetchedSettings.Networks = Networks{
							"fake-net-1": Network{Type: NetworkTypeDynamic},
						}
					})

					It("updates the service with settings from the fetcher", func() {
						err := service.LoadSettings()
						Expect(err).NotTo(HaveOccurred())
						Expect(service.GetSettings().AgentID).To(Equal("some-new-agent-id"))
					})

					It("persists settings to the settings file", func() {
						err := service.LoadSettings()
						Expect(err).NotTo(HaveOccurred())

						json, err := json.Marshal(fetchedSettings)
						Expect(err).NotTo(HaveOccurred())

						fileContent, err := fs.ReadFile("/setting/path.json")
						Expect(err).NotTo(HaveOccurred())
						Expect(fileContent).To(Equal(json))
					})

					It("returns any error from writing to the setting file", func() {
						fs.WriteFileError = errors.New("fs-write-file-error")

						err := service.LoadSettings()
						Expect(err).To(HaveOccurred())
						Expect(err.Error()).To(ContainSubstring("fs-write-file-error"))
					})
				})
			})

			Context("when settings fetcher fails fetching settings", func() {
				BeforeEach(func() {
					fetcherFuncErr = errors.New("fake-fetch-error")
				})

				Context("when a settings file exists", func() {
					Context("when settings contain at most one dynamic network", func() {
						BeforeEach(func() {
							fs.WriteFile("/setting/path.json", []byte(`{
								"agent_id":"some-agent-id",
								"networks": {"fake-net-1": {"type": "dynamic"}}
							}`))

							fakeDefaultNetworkResolver.GetDefaultNetworkNetwork = Network{
								IP:      "fake-resolved-ip",
								Netmask: "fake-resolved-netmask",
								Gateway: "fake-resolved-gateway",
							}
						})

						It("returns settings from the settings file with resolved network", func() {
							err := service.LoadSettings()
							Expect(err).ToNot(HaveOccurred())
							Expect(service.GetSettings()).To(Equal(Settings{
								AgentID: "some-agent-id",
								Networks: Networks{
									"fake-net-1": Network{
										Type:     NetworkTypeDynamic,
										IP:       "fake-resolved-ip",
										Netmask:  "fake-resolved-netmask",
										Gateway:  "fake-resolved-gateway",
										Resolved: true,
									},
								},
							}))
						})
					})
				})

				Context("when non-unmarshallable settings file exists", func() {
					It("returns any error from the fetcher", func() {
						fs.WriteFile("/setting/path.json", []byte(`$%^&*(`))

						err := service.LoadSettings()
						Expect(err).To(HaveOccurred())
						Expect(err.Error()).To(ContainSubstring("fake-fetch-error"))

						Expect(service.GetSettings()).To(Equal(Settings{}))
					})
				})

				Context("when no settings file exists", func() {
					It("returns any error from the fetcher", func() {
						err := service.LoadSettings()
						Expect(err).To(HaveOccurred())
						Expect(err.Error()).To(ContainSubstring("fake-fetch-error"))

						Expect(service.GetSettings()).To(Equal(Settings{}))
					})
				})
			})
		})

		Describe("InvalidateSettings", func() {
			It("removes the settings file", func() {
				fakeSettingsSource.SettingsValue = Settings{}
				fakeSettingsSource.SettingsErr = nil
				service, fs := buildService()

				fs.WriteFile("/setting/path.json", []byte(`{}`))

				err := service.InvalidateSettings()
				Expect(err).ToNot(HaveOccurred())

				Expect(fs.FileExists("/setting/path.json")).To(BeFalse())
			})

			It("returns err if removing settings file errored", func() {
				fakeSettingsSource.SettingsValue = Settings{}
				fakeSettingsSource.SettingsErr = nil
				service, fs := buildService()

				fs.RemoveAllError = errors.New("fs-remove-all-error")

				err := service.InvalidateSettings()
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fs-remove-all-error"))
			})
		})

		Describe("GetSettings", func() {
			var (
				loadedSettings Settings
				service        Service
			)

			BeforeEach(func() {
				loadedSettings = Settings{AgentID: "some-agent-id"}
			})

			JustBeforeEach(func() {
				fakeSettingsSource.SettingsValue = loadedSettings
				fakeSettingsSource.SettingsErr = nil
				service, _ = buildService()
				err := service.LoadSettings()
				Expect(err).NotTo(HaveOccurred())
			})

			Context("when there is are no dynamic networks", func() {
				It("returns settings without modifying any networks", func() {
					Expect(service.GetSettings()).To(Equal(loadedSettings))
				})

				It("does not try to determine default network", func() {
					_ = service.GetSettings()
					Expect(fakeDefaultNetworkResolver.GetDefaultNetworkCalled).To(BeFalse())
				})
			})

			Context("when there is network that needs to be resolved (ip, netmask, or mac are not set)", func() {
				BeforeEach(func() {
					loadedSettings = Settings{
						Networks: map[string]Network{
							"fake-net1": Network{
								IP:      "fake-net1-ip",
								Netmask: "fake-net1-netmask",
								Mac:     "fake-net1-mac",
								Gateway: "fake-net1-gateway",
							},
							"fake-net2": Network{
								Gateway: "fake-net2-gateway",
								DNS:     []string{"fake-net2-dns"},
							},
						},
					}
				})

				Context("when default network can be retrieved", func() {
					BeforeEach(func() {
						fakeDefaultNetworkResolver.GetDefaultNetworkNetwork = Network{
							IP:      "fake-resolved-ip",
							Netmask: "fake-resolved-netmask",
							Gateway: "fake-resolved-gateway",
						}
					})

					It("returns settings with resolved dynamic network ip, netmask, gateway and keeping everything else the same", func() {
						settings := service.GetSettings()
						Expect(settings).To(Equal(Settings{
							Networks: map[string]Network{
								"fake-net1": Network{
									IP:      "fake-net1-ip",
									Netmask: "fake-net1-netmask",
									Mac:     "fake-net1-mac",
									Gateway: "fake-net1-gateway",
								},
								"fake-net2": Network{
									IP:       "fake-resolved-ip",
									Netmask:  "fake-resolved-netmask",
									Gateway:  "fake-resolved-gateway",
									DNS:      []string{"fake-net2-dns"},
									Resolved: true,
								},
							},
						}))
					})
				})

				Context("when default network fails to be retrieved", func() {
					BeforeEach(func() {
						fakeDefaultNetworkResolver.GetDefaultNetworkErr = errors.New("fake-get-default-network-err")
					})

					It("returns error", func() {
						settings := service.GetSettings()
						Expect(settings).To(Equal(loadedSettings))
					})
				})
			})
		})
	})
}
	})

	Describe("GetSettings", func() {
		Context("when the registry file exists", func() {
			var (
				expectedSettings boshsettings.Settings
			)

			BeforeEach(func() {
				expectedSettings = boshsettings.Settings{
					AgentID: "fake-agent-id",
				}
				settingsJSON, err := json.Marshal(expectedSettings)
				Expect(err).ToNot(HaveOccurred())

				fs.WriteFile("/fake-registry-file-path", settingsJSON)
			})

			It("returns the settings", func() {
				settings, err := fileRegistry.GetSettings()
				Expect(err).ToNot(HaveOccurred())
				Expect(settings).To(Equal(expectedSettings))
			})
		})

		Context("when the registry file does not exist", func() {
			It("returns an error", func() {
				_, err := fileRegistry.GetSettings()
				Expect(err).To(HaveOccurred())
			})
		})
func rootDesc() {
	var mockCtrl *gomock.Controller

	BeforeEach(func() {
		mockCtrl = gomock.NewController(GinkgoT())
	})

	AfterEach(func() {
		mockCtrl.Finish()
	})

	Describe("Run", func() {
		var (
			command        bicmd.Cmd
			fakeFs         *fakesys.FakeFileSystem
			stdOut         *gbytes.Buffer
			stdErr         *gbytes.Buffer
			userInterface  biui.UI
			sha1Calculator crypto.SHA1Calculator
			manifestSHA1   string

			mockDeployer              *mock_deployment.MockDeployer
			mockInstaller             *mock_install.MockInstaller
			mockInstallerFactory      *mock_install.MockInstallerFactory
			mockReleaseExtractor      *mock_release.MockExtractor
			releaseManager            birel.Manager
			mockRegistryServerManager *mock_registry.MockServerManager
			mockRegistryServer        *mock_registry.MockServer
			mockAgentClient           *mock_agentclient.MockAgentClient
			mockAgentClientFactory    *mock_httpagent.MockAgentClientFactory
			mockCloudFactory          *mock_cloud.MockFactory

			fakeCPIRelease *fakebirel.FakeRelease
			logger         boshlog.Logger

			mockBlobstoreFactory *mock_blobstore.MockFactory
			mockBlobstore        *mock_blobstore.MockBlobstore

			mockVMManagerFactory       *mock_vm.MockManagerFactory
			fakeVMManager              *fakebivm.FakeManager
			fakeStemcellExtractor      *fakebistemcell.FakeExtractor
			mockStemcellManager        *mock_stemcell.MockManager
			fakeStemcellManagerFactory *fakebistemcell.FakeManagerFactory

			fakeReleaseSetParser              *fakebirelsetmanifest.FakeParser
			fakeInstallationParser            *fakebiinstallmanifest.FakeParser
			fakeDeploymentParser              *fakebideplmanifest.FakeParser
			mockLegacyDeploymentStateMigrator *mock_config.MockLegacyDeploymentStateMigrator
			setupDeploymentStateService       biconfig.DeploymentStateService
			fakeDeploymentValidator           *fakebideplval.FakeValidator

			directorID          = "generated-director-uuid"
			fakeUUIDGenerator   *fakeuuid.FakeGenerator
			configUUIDGenerator *fakeuuid.FakeGenerator

			fakeStage *fakebiui.FakeStage

			deploymentManifestPath string
			deploymentStatePath    string
			cpiReleaseTarballPath  string
			stemcellTarballPath    string
			extractedStemcell      bistemcell.ExtractedStemcell

			expectDeploy *gomock.Call

			mbusURL = "http://*****:*****@fake-mbus-endpoint"

			releaseSetManifest     birelsetmanifest.Manifest
			boshDeploymentManifest bideplmanifest.Manifest
			installationManifest   biinstallmanifest.Manifest
			cloud                  bicloud.Cloud

			cloudStemcell bistemcell.CloudStemcell

			expectLegacyMigrate        *gomock.Call
			expectStemcellUpload       *gomock.Call
			expectStemcellDeleteUnused *gomock.Call
			expectCPIReleaseExtract    *gomock.Call
			expectInstall              *gomock.Call
			expectNewCloud             *gomock.Call
		)

		BeforeEach(func() {
			logger = boshlog.NewLogger(boshlog.LevelNone)
			stdOut = gbytes.NewBuffer()
			stdErr = gbytes.NewBuffer()
			userInterface = biui.NewWriterUI(stdOut, stdErr, logger)
			fakeFs = fakesys.NewFakeFileSystem()
			fakeFs.EnableStrictTempRootBehavior()
			deploymentManifestPath = "/path/to/manifest.yml"
			deploymentStatePath = "/path/to/manifest-state.json"
			fakeFs.RegisterOpenFile(deploymentManifestPath, &fakesys.FakeFile{
				Stats: &fakesys.FakeFileStats{FileType: fakesys.FakeFileTypeFile},
			})

			fakeFs.WriteFileString(deploymentManifestPath, "")

			mockDeployer = mock_deployment.NewMockDeployer(mockCtrl)
			mockInstaller = mock_install.NewMockInstaller(mockCtrl)
			mockInstallerFactory = mock_install.NewMockInstallerFactory(mockCtrl)

			mockReleaseExtractor = mock_release.NewMockExtractor(mockCtrl)
			releaseManager = birel.NewManager(logger)

			mockRegistryServerManager = mock_registry.NewMockServerManager(mockCtrl)
			mockRegistryServer = mock_registry.NewMockServer(mockCtrl)

			mockAgentClientFactory = mock_httpagent.NewMockAgentClientFactory(mockCtrl)
			mockAgentClient = mock_agentclient.NewMockAgentClient(mockCtrl)
			mockAgentClientFactory.EXPECT().NewAgentClient(gomock.Any(), gomock.Any()).Return(mockAgentClient).AnyTimes()

			mockCloudFactory = mock_cloud.NewMockFactory(mockCtrl)

			mockBlobstoreFactory = mock_blobstore.NewMockFactory(mockCtrl)
			mockBlobstore = mock_blobstore.NewMockBlobstore(mockCtrl)
			mockBlobstoreFactory.EXPECT().Create(mbusURL).Return(mockBlobstore, nil).AnyTimes()

			mockVMManagerFactory = mock_vm.NewMockManagerFactory(mockCtrl)
			fakeVMManager = fakebivm.NewFakeManager()
			mockVMManagerFactory.EXPECT().NewManager(gomock.Any(), mockAgentClient).Return(fakeVMManager).AnyTimes()

			fakeStemcellExtractor = fakebistemcell.NewFakeExtractor()
			mockStemcellManager = mock_stemcell.NewMockManager(mockCtrl)
			fakeStemcellManagerFactory = fakebistemcell.NewFakeManagerFactory()

			fakeReleaseSetParser = fakebirelsetmanifest.NewFakeParser()
			fakeInstallationParser = fakebiinstallmanifest.NewFakeParser()
			fakeDeploymentParser = fakebideplmanifest.NewFakeParser()

			mockLegacyDeploymentStateMigrator = mock_config.NewMockLegacyDeploymentStateMigrator(mockCtrl)

			configUUIDGenerator = &fakeuuid.FakeGenerator{}
			configUUIDGenerator.GeneratedUUID = directorID
			setupDeploymentStateService = biconfig.NewFileSystemDeploymentStateService(fakeFs, configUUIDGenerator, logger, biconfig.DeploymentStatePath(deploymentManifestPath))

			fakeDeploymentValidator = fakebideplval.NewFakeValidator()

			fakeStage = fakebiui.NewFakeStage()

			sha1Calculator = crypto.NewSha1Calculator(fakeFs)
			fakeUUIDGenerator = &fakeuuid.FakeGenerator{}

			var err error
			manifestSHA1, err = sha1Calculator.Calculate(deploymentManifestPath)
			Expect(err).ToNot(HaveOccurred())

			cpiReleaseTarballPath = "/release/tarball/path"

			stemcellTarballPath = "/stemcell/tarball/path"
			extractedStemcell = bistemcell.NewExtractedStemcell(
				bistemcell.Manifest{
					ImagePath:       "/stemcell/image/path",
					Name:            "fake-stemcell-name",
					Version:         "fake-stemcell-version",
					SHA1:            "fake-stemcell-sha1",
					CloudProperties: biproperty.Map{},
					OS:              "ubuntu-trusty",
				},
				"fake-extracted-path",
				fakeFs,
			)

			// create input files
			fakeFs.WriteFileString(cpiReleaseTarballPath, "")
			fakeFs.WriteFileString(stemcellTarballPath, "")

			// deployment exists
			fakeFs.WriteFileString(deploymentManifestPath, "")

			// deployment is valid
			fakeDeploymentValidator.SetValidateBehavior([]fakebideplval.ValidateOutput{
				{Err: nil},
			})
			fakeDeploymentValidator.SetValidateReleaseJobsBehavior([]fakebideplval.ValidateReleaseJobsOutput{
				{Err: nil},
			})

			// stemcell exists
			fakeFs.WriteFile(stemcellTarballPath, []byte{})

			releaseSetManifest = birelsetmanifest.Manifest{
				Releases: []birelmanifest.ReleaseRef{
					{
						Name: "fake-cpi-release-name",
						URL:  "file://" + cpiReleaseTarballPath,
					},
				},
			}

			// parsed CPI deployment manifest
			installationManifest = biinstallmanifest.Manifest{
				Template: biinstallmanifest.ReleaseJobRef{
					Name:    "fake-cpi-release-job-name",
					Release: "fake-cpi-release-name",
				},
				Mbus: mbusURL,
			}

			// parsed BOSH deployment manifest
			boshDeploymentManifest = bideplmanifest.Manifest{
				Name: "fake-deployment-name",
				Jobs: []bideplmanifest.Job{
					{
						Name: "fake-job-name",
					},
				},
				ResourcePools: []bideplmanifest.ResourcePool{
					{
						Stemcell: bideplmanifest.StemcellRef{
							URL: "file://" + stemcellTarballPath,
						},
					},
				},
			}
			fakeDeploymentParser.ParseManifest = boshDeploymentManifest

			// parsed/extracted CPI release
			fakeCPIRelease = fakebirel.NewFakeRelease()
			fakeCPIRelease.ReleaseName = "fake-cpi-release-name"
			fakeCPIRelease.ReleaseVersion = "1.0"
			fakeCPIRelease.ReleaseIsCompiled = false
			fakeCPIRelease.ReleaseJobs = []bireljob.Job{
				{
					Name: "fake-cpi-release-job-name",
					Templates: map[string]string{
						"templates/cpi.erb": "bin/cpi",
					},
				},
			}

			cloud = bicloud.NewCloud(fakebicloud.NewFakeCPICmdRunner(), "fake-director-id", logger)

			cloudStemcell = fakebistemcell.NewFakeCloudStemcell("fake-stemcell-cid", "fake-stemcell-name", "fake-stemcell-version")
		})

		JustBeforeEach(func() {

			doGet := func(deploymentManifestPath string) (bicmd.DeploymentPreparer, error) {
				deploymentStateService := biconfig.NewFileSystemDeploymentStateService(fakeFs, configUUIDGenerator, logger, biconfig.DeploymentStatePath(deploymentManifestPath))
				deploymentRepo := biconfig.NewDeploymentRepo(deploymentStateService)
				releaseRepo := biconfig.NewReleaseRepo(deploymentStateService, fakeUUIDGenerator)
				stemcellRepo := biconfig.NewStemcellRepo(deploymentStateService, fakeUUIDGenerator)
				deploymentRecord := deployment.NewRecord(deploymentRepo, releaseRepo, stemcellRepo, sha1Calculator)

				fakeHTTPClient := fakebihttpclient.NewFakeHTTPClient()
				tarballCache := bitarball.NewCache("fake-base-path", fakeFs, logger)
				tarballProvider := bitarball.NewProvider(tarballCache, fakeFs, fakeHTTPClient, sha1Calculator, 1, 0, logger)

				cpiInstaller := bicpirel.CpiInstaller{
					ReleaseManager:   releaseManager,
					InstallerFactory: mockInstallerFactory,
					Validator:        bicpirel.NewValidator(),
				}
				releaseFetcher := birel.NewFetcher(tarballProvider, mockReleaseExtractor, releaseManager)
				stemcellFetcher := bistemcell.Fetcher{
					TarballProvider:   tarballProvider,
					StemcellExtractor: fakeStemcellExtractor,
				}
				releaseSetAndInstallationManifestParser := bicmd.ReleaseSetAndInstallationManifestParser{
					ReleaseSetParser:   fakeReleaseSetParser,
					InstallationParser: fakeInstallationParser,
				}

				deploymentManifestParser := bicmd.DeploymentManifestParser{
					DeploymentParser:    fakeDeploymentParser,
					DeploymentValidator: fakeDeploymentValidator,
					ReleaseManager:      releaseManager,
				}

				fakeInstallationUUIDGenerator := &fakeuuid.FakeGenerator{}
				fakeInstallationUUIDGenerator.GeneratedUUID = "fake-installation-id"
				targetProvider := biinstall.NewTargetProvider(
					deploymentStateService,
					fakeInstallationUUIDGenerator,
					filepath.Join("fake-install-dir"),
				)
				tempRootConfigurator := bicmd.NewTempRootConfigurator(fakeFs)

				return bicmd.NewDeploymentPreparer(
					userInterface,
					logger,
					"deployCmd",
					deploymentStateService,
					mockLegacyDeploymentStateMigrator,
					releaseManager,
					deploymentRecord,
					mockCloudFactory,
					fakeStemcellManagerFactory,
					mockAgentClientFactory,
					mockVMManagerFactory,
					mockBlobstoreFactory,
					mockDeployer,
					deploymentManifestPath,
					cpiInstaller,
					releaseFetcher,
					stemcellFetcher,
					releaseSetAndInstallationManifestParser,
					deploymentManifestParser,
					tempRootConfigurator,
					targetProvider,
				), nil
			}

			command = bicmd.NewDeployCmd(userInterface, fakeFs, logger, doGet)

			expectLegacyMigrate = mockLegacyDeploymentStateMigrator.EXPECT().MigrateIfExists("/path/to/bosh-deployments.yml").AnyTimes()

			fakeStemcellExtractor.SetExtractBehavior(stemcellTarballPath, extractedStemcell, nil)

			fakeStemcellManagerFactory.SetNewManagerBehavior(cloud, mockStemcellManager)

			expectStemcellUpload = mockStemcellManager.EXPECT().Upload(extractedStemcell, fakeStage).Return(cloudStemcell, nil).AnyTimes()

			expectStemcellDeleteUnused = mockStemcellManager.EXPECT().DeleteUnused(fakeStage).AnyTimes()

			fakeReleaseSetParser.ParseManifest = releaseSetManifest
			fakeDeploymentParser.ParseManifest = boshDeploymentManifest
			fakeInstallationParser.ParseManifest = installationManifest

			installationPath := filepath.Join("fake-install-dir", "fake-installation-id")
			target := biinstall.NewTarget(installationPath)

			installedJob := biinstall.NewInstalledJob(
				biinstall.RenderedJobRef{
					Name: "fake-cpi-release-job-name",
				},
				filepath.Join(target.JobsPath(), "fake-cpi-release-job-name"),
			)

			mockInstallerFactory.EXPECT().NewInstaller(target).Return(mockInstaller).AnyTimes()

			installation := biinstall.NewInstallation(target, installedJob, installationManifest, mockRegistryServerManager)

			expectInstall = mockInstaller.EXPECT().Install(installationManifest, gomock.Any()).Do(func(_ interface{}, stage biui.Stage) {
				Expect(fakeStage.SubStages).To(ContainElement(stage))
			}).Return(installation, nil).AnyTimes()
			mockInstaller.EXPECT().Cleanup(installation).AnyTimes()

			mockDeployment := mock_deployment.NewMockDeployment(mockCtrl)

			expectDeploy = mockDeployer.EXPECT().Deploy(
				cloud,
				boshDeploymentManifest,
				cloudStemcell,
				installationManifest.Registry,
				fakeVMManager,
				mockBlobstore,
				gomock.Any(),
			).Do(func(_, _, _, _, _, _ interface{}, stage biui.Stage) {
				Expect(fakeStage.SubStages).To(ContainElement(stage))
			}).Return(mockDeployment, nil).AnyTimes()

			expectCPIReleaseExtract = mockReleaseExtractor.EXPECT().Extract(cpiReleaseTarballPath).Return(fakeCPIRelease, nil).AnyTimes()

			expectNewCloud = mockCloudFactory.EXPECT().NewCloud(installation, directorID).Return(cloud, nil).AnyTimes()
		})

		It("prints the deployment manifest and state file", func() {
			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())

			Expect(stdOut).To(gbytes.Say("Deployment manifest: '/path/to/manifest.yml'"))
			Expect(stdOut).To(gbytes.Say("Deployment state: '/path/to/manifest-state.json'"))
		})

		It("does not migrate the legacy bosh-deployments.yml if manifest-state.json exists", func() {
			err := fakeFs.WriteFileString(deploymentStatePath, "{}")
			Expect(err).ToNot(HaveOccurred())

			expectLegacyMigrate.Times(0)

			err = command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())
			Expect(fakeInstallationParser.ParsePath).To(Equal(deploymentManifestPath))
		})

		It("migrates the legacy bosh-deployments.yml if manifest-state.json does not exist", func() {
			err := fakeFs.RemoveAll(deploymentStatePath)
			Expect(err).ToNot(HaveOccurred())

			expectLegacyMigrate.Return(true, nil).Times(1)

			err = command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())
			Expect(fakeInstallationParser.ParsePath).To(Equal(deploymentManifestPath))

			Expect(stdOut).To(gbytes.Say("Deployment manifest: '/path/to/manifest.yml'"))
			Expect(stdOut).To(gbytes.Say("Deployment state: '/path/to/manifest-state.json'"))
			Expect(stdOut).To(gbytes.Say("Migrated legacy deployments file: '/path/to/bosh-deployments.yml'"))
		})

		It("sets the temp root", func() {
			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())
			Expect(fakeFs.TempRootPath).To(Equal("fake-install-dir/fake-installation-id/tmp"))
		})

		Context("when setting the temp root fails", func() {
			It("returns an error", func() {
				fakeFs.ChangeTempRootErr = errors.New("fake ChangeTempRootErr")
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(Equal("Setting temp root: fake ChangeTempRootErr"))
			})
		})

		It("parses the installation manifest", func() {
			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())
			Expect(fakeInstallationParser.ParsePath).To(Equal(deploymentManifestPath))
		})

		It("parses the deployment manifest", func() {
			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())
			Expect(fakeDeploymentParser.ParsePath).To(Equal(deploymentManifestPath))
		})

		It("validates bosh deployment manifest", func() {
			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())
			Expect(fakeDeploymentValidator.ValidateInputs).To(Equal([]fakebideplval.ValidateInput{
				{Manifest: boshDeploymentManifest, ReleaseSetManifest: releaseSetManifest},
			}))
		})

		It("validates jobs in manifest refer to job in releases", func() {
			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())
			Expect(fakeDeploymentValidator.ValidateReleaseJobsInputs).To(Equal([]fakebideplval.ValidateReleaseJobsInput{
				{Manifest: boshDeploymentManifest, ReleaseManager: releaseManager},
			}))
		})

		It("logs validating stages", func() {
			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())

			Expect(fakeStage.PerformCalls[0]).To(Equal(&fakebiui.PerformCall{
				Name: "validating",
				Stage: &fakebiui.FakeStage{
					PerformCalls: []*fakebiui.PerformCall{
						{Name: "Validating release 'fake-cpi-release-name'"},
						{Name: "Validating cpi release"},
						{Name: "Validating deployment manifest"},
						{Name: "Validating stemcell"},
					},
				},
			}))
		})

		It("extracts CPI release tarball", func() {
			expectCPIReleaseExtract.Times(1)

			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())
		})

		It("installs the CPI locally", func() {
			expectInstall.Times(1)
			expectNewCloud.Times(1)

			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())
		})

		It("adds a new 'installing CPI' event logger stage", func() {
			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())

			Expect(fakeStage.PerformCalls[1]).To(Equal(&fakebiui.PerformCall{
				Name:  "installing CPI",
				Stage: &fakebiui.FakeStage{}, // mock installer doesn't add sub-stages
			}))
		})

		It("adds a new 'Starting registry' event logger stage", func() {
			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())

			Expect(fakeStage.PerformCalls[2]).To(Equal(&fakebiui.PerformCall{
				Name: "Starting registry",
			}))
		})

		Context("when the registry is configured", func() {
			BeforeEach(func() {
				installationManifest.Registry = biinstallmanifest.Registry{
					Username: "******",
					Password: "******",
					Host:     "fake-host",
					Port:     123,
				}
			})

			It("starts & stops the registry", func() {
				mockRegistryServerManager.EXPECT().Start("fake-username", "fake-password", "fake-host", 123).Return(mockRegistryServer, nil)
				mockRegistryServer.EXPECT().Stop()

				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).NotTo(HaveOccurred())
			})
		})

		It("deletes the extracted CPI release", func() {
			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())
			Expect(fakeCPIRelease.DeleteCalled).To(BeTrue())
		})

		It("extracts the stemcell", func() {
			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())
			Expect(fakeStemcellExtractor.ExtractInputs).To(Equal([]fakebistemcell.ExtractInput{
				{TarballPath: stemcellTarballPath},
			}))
		})

		It("uploads the stemcell", func() {
			expectStemcellUpload.Times(1)

			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).ToNot(HaveOccurred())
		})

		It("adds a new 'deploying' event logger stage", func() {
			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())

			Expect(fakeStage.PerformCalls[3]).To(Equal(&fakebiui.PerformCall{
				Name:  "deploying",
				Stage: &fakebiui.FakeStage{}, // mock deployer doesn't add sub-stages
			}))
		})

		It("deploys", func() {
			expectDeploy.Times(1)

			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())
		})

		It("updates the deployment record", func() {
			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())

			deploymentState, err := setupDeploymentStateService.Load()
			Expect(err).ToNot(HaveOccurred())

			Expect(deploymentState.CurrentManifestSHA1).To(Equal(manifestSHA1))
			Expect(deploymentState.Releases).To(Equal([]biconfig.ReleaseRecord{
				{
					ID:      "fake-uuid-0",
					Name:    fakeCPIRelease.Name(),
					Version: fakeCPIRelease.Version(),
				},
			}))
		})

		It("deletes unused stemcells", func() {
			expectStemcellDeleteUnused.Times(1)

			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).NotTo(HaveOccurred())
		})

		Context("when deployment has not changed", func() {
			JustBeforeEach(func() {
				previousDeploymentState := biconfig.DeploymentState{
					DirectorID:        directorID,
					CurrentReleaseIDs: []string{"my-release-id-1"},
					Releases: []biconfig.ReleaseRecord{{
						ID:      "my-release-id-1",
						Name:    fakeCPIRelease.Name(),
						Version: fakeCPIRelease.Version(),
					}},
					CurrentStemcellID: "my-stemcellRecordID",
					Stemcells: []biconfig.StemcellRecord{{
						ID:      "my-stemcellRecordID",
						Name:    cloudStemcell.Name(),
						Version: cloudStemcell.Version(),
					}},
					CurrentManifestSHA1: manifestSHA1,
				}

				err := setupDeploymentStateService.Save(previousDeploymentState)
				Expect(err).ToNot(HaveOccurred())
			})

			It("skips deploy", func() {
				expectDeploy.Times(0)

				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).NotTo(HaveOccurred())
				Expect(stdOut).To(gbytes.Say("No deployment, stemcell or release changes. Skipping deploy."))
			})
		})

		Context("when parsing the cpi deployment manifest fails", func() {
			BeforeEach(func() {
				fakeDeploymentParser.ParseErr = bosherr.Error("fake-parse-error")
			})

			It("returns error", func() {
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("Parsing deployment manifest"))
				Expect(err.Error()).To(ContainSubstring("fake-parse-error"))
				Expect(fakeDeploymentParser.ParsePath).To(Equal(deploymentManifestPath))
			})
		})

		Context("when the cpi release does not contain a 'cpi' job", func() {
			BeforeEach(func() {
				fakeCPIRelease.ReleaseJobs = []bireljob.Job{
					{
						Name: "not-cpi",
					},
				}
			})

			It("returns error", func() {
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(Equal("Invalid CPI release 'fake-cpi-release-name': CPI release must contain specified job 'fake-cpi-release-job-name'"))
			})
		})

		Context("when multiple releases are given", func() {
			var (
				otherReleaseTarballPath   string
				fakeOtherRelease          *fakebirel.FakeRelease
				expectOtherReleaseExtract *gomock.Call
			)

			BeforeEach(func() {
				otherReleaseTarballPath = "/path/to/other-release.tgz"

				fakeFs.WriteFileString(otherReleaseTarballPath, "")

				fakeOtherRelease = fakebirel.New("other-release", "1234")
				fakeOtherRelease.ReleaseJobs = []bireljob.Job{{Name: "not-cpi"}}

				expectOtherReleaseExtract = mockReleaseExtractor.EXPECT().Extract(
					otherReleaseTarballPath,
				).Return(fakeOtherRelease, nil).AnyTimes()

				releaseSetManifest = birelsetmanifest.Manifest{
					Releases: []birelmanifest.ReleaseRef{
						{
							Name: "fake-cpi-release-name",
							URL:  "file://" + cpiReleaseTarballPath,
						},
						{
							Name: "other-release",
							URL:  "file://" + otherReleaseTarballPath,
						},
					},
				}
			})

			It("extracts all the release tarballs", func() {
				expectCPIReleaseExtract.Times(1)
				expectOtherReleaseExtract.Times(1)

				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).NotTo(HaveOccurred())
			})

			It("installs the CPI release locally", func() {
				expectInstall.Times(1)
				expectNewCloud.Times(1)

				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).NotTo(HaveOccurred())
			})

			It("updates the deployment record", func() {
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).NotTo(HaveOccurred())

				deploymentState, err := setupDeploymentStateService.Load()
				Expect(err).ToNot(HaveOccurred())

				Expect(deploymentState.CurrentManifestSHA1).To(Equal(manifestSHA1))
				Expect(deploymentState.Releases).To(Equal([]biconfig.ReleaseRecord{
					{
						ID:      "fake-uuid-0",
						Name:    fakeCPIRelease.Name(),
						Version: fakeCPIRelease.Version(),
					},
					{
						ID:      "fake-uuid-1",
						Name:    fakeOtherRelease.Name(),
						Version: fakeOtherRelease.Version(),
					},
				}))
			})

			Context("when one of the releases in the deployment has changed", func() {
				JustBeforeEach(func() {
					olderReleaseVersion := "1233"
					Expect(fakeOtherRelease.Version()).ToNot(Equal(olderReleaseVersion))
					previousDeploymentState := biconfig.DeploymentState{
						DirectorID:        directorID,
						CurrentReleaseIDs: []string{"existing-release-id-1", "existing-release-id-2"},
						Releases: []biconfig.ReleaseRecord{
							{
								ID:      "existing-release-id-1",
								Name:    fakeCPIRelease.Name(),
								Version: fakeCPIRelease.Version(),
							},
							{
								ID:      "existing-release-id-2",
								Name:    fakeOtherRelease.Name(),
								Version: olderReleaseVersion,
							},
						},
						CurrentStemcellID: "my-stemcellRecordID",
						Stemcells: []biconfig.StemcellRecord{{
							ID:      "my-stemcellRecordID",
							Name:    cloudStemcell.Name(),
							Version: cloudStemcell.Version(),
						}},
						CurrentManifestSHA1: manifestSHA1,
					}

					err := setupDeploymentStateService.Save(previousDeploymentState)
					Expect(err).ToNot(HaveOccurred())
				})

				It("updates the deployment record, clearing out unused releases", func() {
					err := command.Run(fakeStage, []string{deploymentManifestPath})
					Expect(err).NotTo(HaveOccurred())

					deploymentState, err := setupDeploymentStateService.Load()
					Expect(err).ToNot(HaveOccurred())

					Expect(deploymentState.CurrentManifestSHA1).To(Equal(manifestSHA1))
					keys := []string{}
					ids := []string{}
					for _, releaseRecord := range deploymentState.Releases {
						keys = append(keys, fmt.Sprintf("%s-%s", releaseRecord.Name, releaseRecord.Version))
						ids = append(ids, releaseRecord.ID)
					}
					Expect(deploymentState.CurrentReleaseIDs).To(ConsistOf(ids))
					Expect(keys).To(ConsistOf([]string{
						fmt.Sprintf("%s-%s", fakeCPIRelease.Name(), fakeCPIRelease.Version()),
						fmt.Sprintf("%s-%s", fakeOtherRelease.Name(), fakeOtherRelease.Version()),
					}))
				})
			})

			Context("when the deployment has not changed", func() {
				JustBeforeEach(func() {
					previousDeploymentState := biconfig.DeploymentState{
						DirectorID:        directorID,
						CurrentReleaseIDs: []string{"my-release-id-1", "my-release-id-2"},
						Releases: []biconfig.ReleaseRecord{
							{
								ID:      "my-release-id-1",
								Name:    fakeCPIRelease.Name(),
								Version: fakeCPIRelease.Version(),
							},
							{
								ID:      "my-release-id-2",
								Name:    fakeOtherRelease.Name(),
								Version: fakeOtherRelease.Version(),
							},
						},
						CurrentStemcellID: "my-stemcellRecordID",
						Stemcells: []biconfig.StemcellRecord{{
							ID:      "my-stemcellRecordID",
							Name:    cloudStemcell.Name(),
							Version: cloudStemcell.Version(),
						}},
						CurrentManifestSHA1: manifestSHA1,
					}

					err := setupDeploymentStateService.Save(previousDeploymentState)
					Expect(err).ToNot(HaveOccurred())
				})

				It("skips deploy", func() {
					expectDeploy.Times(0)

					err := command.Run(fakeStage, []string{deploymentManifestPath})
					Expect(err).NotTo(HaveOccurred())
					Expect(stdOut).To(gbytes.Say("No deployment, stemcell or release changes. Skipping deploy."))
				})
			})
		})

		Context("when release name does not match the name in release tarball", func() {
			BeforeEach(func() {
				releaseSetManifest.Releases = []birelmanifest.ReleaseRef{
					{
						Name: "fake-other-cpi-release-name",
						URL:  "file://" + cpiReleaseTarballPath,
					},
				}
			})

			It("returns an error", func() {
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("Release name 'fake-other-cpi-release-name' does not match the name in release tarball 'fake-cpi-release-name'"))
			})
		})

		Context("When the stemcell tarball does not exist", func() {
			JustBeforeEach(func() {
				fakeStemcellExtractor.SetExtractBehavior(stemcellTarballPath, extractedStemcell, errors.New("no-stemcell-there"))
			})

			It("returns error", func() {
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("no-stemcell-there"))

				performCall := fakeStage.PerformCalls[0].Stage.PerformCalls[3]
				Expect(performCall.Name).To(Equal("Validating stemcell"))
				Expect(performCall.Error.Error()).To(ContainSubstring("no-stemcell-there"))
			})
		})

		Context("when release file does not exist", func() {
			BeforeEach(func() {
				mockReleaseExtractor.EXPECT().Extract(cpiReleaseTarballPath).Return(nil, errors.New("not there"))
			})

			It("returns error", func() {
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("not there"))

				performCall := fakeStage.PerformCalls[0].Stage.PerformCalls[0]
				Expect(performCall.Name).To(Equal("Validating release 'fake-cpi-release-name'"))
				Expect(performCall.Error.Error()).To(ContainSubstring("not there"))
			})
		})

		Context("when the deployment state file does not exist", func() {
			BeforeEach(func() {
				fakeFs.RemoveAll(deploymentStatePath)
			})

			It("creates a deployment state", func() {
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).ToNot(HaveOccurred())

				deploymentState, err := setupDeploymentStateService.Load()
				Expect(err).ToNot(HaveOccurred())

				Expect(deploymentState.DirectorID).To(Equal(directorID))
			})
		})

		It("returns err when the deployment manifest does not exist", func() {
			fakeFs.RemoveAll(deploymentManifestPath)

			err := command.Run(fakeStage, []string{deploymentManifestPath})
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("Deployment manifest does not exist at '/path/to/manifest.yml'"))
			Expect(stdErr).To(gbytes.Say("Deployment '/path/to/manifest.yml' does not exist"))
		})

		Context("when the deployment manifest is invalid", func() {
			BeforeEach(func() {
				fakeDeploymentValidator.SetValidateBehavior([]fakebideplval.ValidateOutput{
					{Err: bosherr.Error("fake-deployment-validation-error")},
				})
			})

			It("returns err", func() {
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fake-deployment-validation-error"))
			})

			It("logs the failed event log", func() {
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).To(HaveOccurred())

				performCall := fakeStage.PerformCalls[0].Stage.PerformCalls[2]
				Expect(performCall.Name).To(Equal("Validating deployment manifest"))
				Expect(performCall.Error.Error()).To(Equal("Validating deployment manifest: fake-deployment-validation-error"))
			})
		})

		Context("when validating jobs fails", func() {
			BeforeEach(func() {
				fakeDeploymentValidator.SetValidateReleaseJobsBehavior([]fakebideplval.ValidateReleaseJobsOutput{
					{Err: bosherr.Error("fake-jobs-validation-error")},
				})
			})

			It("returns err", func() {
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fake-jobs-validation-error"))
			})

			It("logs the failed event log", func() {
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).To(HaveOccurred())

				performCall := fakeStage.PerformCalls[0].Stage.PerformCalls[2]
				Expect(performCall.Name).To(Equal("Validating deployment manifest"))
				Expect(performCall.Error.Error()).To(Equal("Validating deployment jobs refer to jobs in release: fake-jobs-validation-error"))
			})
		})

		It("returns err when number of arguments is not equal 1", func() {
			err := command.Run(fakeStage, []string{})
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("Invalid usage"))

			err = command.Run(fakeStage, []string{"1", "2"})
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("Invalid usage"))
		})

		Context("when uploading stemcell fails", func() {
			JustBeforeEach(func() {
				expectStemcellUpload.Return(nil, bosherr.Error("fake-upload-error"))
			})

			It("returns an error", func() {
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fake-upload-error"))
			})
		})

		Context("when deploy fails", func() {
			BeforeEach(func() {
				mockDeployer.EXPECT().Deploy(
					cloud,
					boshDeploymentManifest,
					cloudStemcell,
					installationManifest.Registry,
					fakeVMManager,
					mockBlobstore,
					gomock.Any(),
				).Return(nil, errors.New("fake-deploy-error")).AnyTimes()

				previousDeploymentState := biconfig.DeploymentState{
					CurrentReleaseIDs: []string{"my-release-id-1"},
					Releases: []biconfig.ReleaseRecord{{
						ID:      "my-release-id-1",
						Name:    fakeCPIRelease.Name(),
						Version: fakeCPIRelease.Version(),
					}},
					CurrentManifestSHA1: "fake-manifest-sha",
				}

				setupDeploymentStateService.Save(previousDeploymentState)
			})

			It("clears the deployment record", func() {
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fake-deploy-error"))

				deploymentState, err := setupDeploymentStateService.Load()
				Expect(err).ToNot(HaveOccurred())

				Expect(deploymentState.CurrentManifestSHA1).To(Equal(""))
				Expect(deploymentState.Releases).To(Equal([]biconfig.ReleaseRecord{}))
				Expect(deploymentState.CurrentReleaseIDs).To(Equal([]string{}))
			})
		})

		Context("when compiled releases are being used", func() {

			var (
				otherReleaseTarballPath   string
				fakeOtherRelease          *fakebirel.FakeRelease
				expectOtherReleaseExtract *gomock.Call
			)

			BeforeEach(func() {
				otherReleaseTarballPath = "/path/to/other-release.tgz"

				fakeFs.WriteFileString(otherReleaseTarballPath, "")

				fakeOtherRelease = fakebirel.New("other-release", "1234")

				fakeOtherRelease.ReleaseIsCompiled = true
				fakeOtherRelease.ReleaseJobs = []bireljob.Job{{Name: "not-cpi"}}
				fakeOtherRelease.ReleasePackages = []*bipkg.Package{
					{
						Stemcell: "ubuntu-trusty/fake-stemcell-version",
					},
				}
				expectOtherReleaseExtract = mockReleaseExtractor.EXPECT().Extract(
					otherReleaseTarballPath,
				).Return(fakeOtherRelease, nil).AnyTimes()

				releaseSetManifest = birelsetmanifest.Manifest{
					Releases: []birelmanifest.ReleaseRef{
						{
							Name: "fake-cpi-release-name",
							URL:  "file://" + cpiReleaseTarballPath,
						},
						{
							Name: "other-release",
							URL:  "file://" + otherReleaseTarballPath,
						},
					},
				}

				boshDeploymentManifest = bideplmanifest.Manifest{
					Name: "fake-deployment-name",
					Jobs: []bideplmanifest.Job{
						{
							Name: "fake-job-name",
							Templates: []bideplmanifest.ReleaseJobRef{
								{
									Release: "other-release",
								},
							},
						},
					},
					ResourcePools: []bideplmanifest.ResourcePool{
						{
							Stemcell: bideplmanifest.StemcellRef{
								URL: "file://" + stemcellTarballPath,
							},
						},
					},
				}
			})

			It("extracts the compiled release tarball", func() {
				expectOtherReleaseExtract.Times(1)

				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).NotTo(HaveOccurred())
			})

			It("parse compiled releases correctly", func() {
				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).ToNot(HaveOccurred())
			})

			It("returns error if compiled package stemcell does not match the deployment stemcell", func() {
				fakeOtherRelease.ReleasePackages = []*bipkg.Package{
					{
						Stemcell: "ubuntu-trusty/wrong-version",
					},
				}

				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("OS/Version mismatch between deployment stemcell and compiled package stemcell for release 'other-release'"))
			})

			It("returns error if CPI release is compiled", func() {
				fakeCPIRelease.ReleaseIsCompiled = true

				err := command.Run(fakeStage, []string{deploymentManifestPath})
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("CPI is not allowed to be a compiled release. The provided CPI release 'fake-cpi-release-name' is compiled"))
			})
		})
	})
}
func describeCentosNetManager() {
	var (
		fs                            *fakesys.FakeFileSystem
		cmdRunner                     *fakesys.FakeCmdRunner
		ipResolver                    *fakeip.FakeResolver
		addressBroadcaster            *fakearp.FakeAddressBroadcaster
		netManager                    Manager
		interfaceConfigurationCreator InterfaceConfigurationCreator
	)

	BeforeEach(func() {
		fs = fakesys.NewFakeFileSystem()
		cmdRunner = fakesys.NewFakeCmdRunner()
		ipResolver = &fakeip.FakeResolver{}
		logger := boshlog.NewLogger(boshlog.LevelNone)
		interfaceConfigurationCreator = NewInterfaceConfigurationCreator(logger)
		addressBroadcaster = &fakearp.FakeAddressBroadcaster{}
		netManager = NewCentosNetManager(
			fs,
			cmdRunner,
			ipResolver,
			interfaceConfigurationCreator,
			addressBroadcaster,
			logger,
		)
	})

	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
	}

	Describe("SetupNetworking", func() {
		var (
			dhcpNetwork                           boshsettings.Network
			staticNetwork                         boshsettings.Network
			expectedNetworkConfigurationForStatic string
			expectedNetworkConfigurationForDHCP   string
			expectedDhclientConfiguration         string
		)

		BeforeEach(func() {
			dhcpNetwork = boshsettings.Network{
				Type:    "dynamic",
				Default: []string{"dns"},
				DNS:     []string{"8.8.8.8", "9.9.9.9"},
				Mac:     "fake-dhcp-mac-address",
			}
			staticNetwork = boshsettings.Network{
				Type:    "manual",
				IP:      "1.2.3.4",
				Netmask: "255.255.255.0",
				Gateway: "3.4.5.6",
				Mac:     "fake-static-mac-address",
			}

			expectedNetworkConfigurationForStatic = `DEVICE=ethstatic
BOOTPROTO=static
IPADDR=1.2.3.4
NETMASK=255.255.255.0
BROADCAST=1.2.3.255
GATEWAY=3.4.5.6
ONBOOT=yes
PEERDNS=no
DNS1=8.8.8.8
DNS2=9.9.9.9
`

			expectedNetworkConfigurationForDHCP = `DEVICE=ethdhcp
BOOTPROTO=dhcp
ONBOOT=yes
PEERDNS=yes
`

			expectedDhclientConfiguration = `# Generated by bosh-agent

option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;

send host-name "<hostname>";

request subnet-mask, broadcast-address, time-offset, routers,
	domain-name, domain-name-servers, domain-search, host-name,
	netbios-name-servers, netbios-scope, interface-mtu,
	rfc3442-classless-static-routes, ntp-servers;

prepend domain-name-servers 8.8.8.8, 9.9.9.9;
`
		})

		stubInterfacesWithVirtual := func(physicalInterfaces map[string]boshsettings.Network, virtualInterfaces []string) {
			interfacePaths := []string{}

			for iface, networkSettings := range physicalInterfaces {
				interfacePaths = append(interfacePaths, writeNetworkDevice(iface, networkSettings.Mac, true))
			}

			for _, iface := range virtualInterfaces {
				interfacePaths = append(interfacePaths, writeNetworkDevice(iface, "virtual", false))
			}

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

		stubInterfaces := func(physicalInterfaces map[string]boshsettings.Network) {
			stubInterfacesWithVirtual(physicalInterfaces, nil)
		}

		It("writes a network script for static and dynamic interfaces", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).ToNot(HaveOccurred())

			staticConfig := fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-ethstatic")
			Expect(staticConfig).ToNot(BeNil())
			Expect(staticConfig.StringContents()).To(Equal(expectedNetworkConfigurationForStatic))

			dhcpConfig := fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-ethdhcp")
			Expect(dhcpConfig).ToNot(BeNil())
			Expect(dhcpConfig.StringContents()).To(Equal(expectedNetworkConfigurationForDHCP))
		})

		It("returns errors from glob /sys/class/net/", func() {
			fs.GlobErr = errors.New("fs-glob-error")
			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("fs-glob-error"))
		})

		It("returns errors from writing the network configuration", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"dhcp":   dhcpNetwork,
				"static": staticNetwork,
			})
			fs.WriteFileError = errors.New("fs-write-file-error")
			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("fs-write-file-error"))
		})

		It("returns errors when it can't create network interface configurations", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethstatic": staticNetwork,
			})

			staticNetwork.Netmask = "not an ip" //will cause InterfaceConfigurationCreator to fail
			err := netManager.SetupNetworking(boshsettings.Networks{"static-network": staticNetwork}, nil)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("Creating interface configurations"))
		})

		It("wrtites a dhcp configuration if there are dhcp networks", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).ToNot(HaveOccurred())

			dhcpConfig := fs.GetFileTestStat("/etc/dhcp/dhclient.conf")
			Expect(dhcpConfig).ToNot(BeNil())
			Expect(dhcpConfig.StringContents()).To(Equal(expectedDhclientConfiguration))

			dhcpConfigSymlink := fs.GetFileTestStat("/etc/dhcp/dhclient-ethdhcp.conf")
			Expect(dhcpConfigSymlink).ToNot(BeNil())
			Expect(dhcpConfigSymlink.SymlinkTarget).To(Equal("/etc/dhcp/dhclient.conf"))
		})

		It("writes a dhcp configuration without prepended dns servers if there are no dns servers specified", func() {
			dhcpNetworkWithoutDNS := boshsettings.Network{
				Type: "dynamic",
				Mac:  "fake-dhcp-mac-address",
			}

			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp": dhcpNetwork,
			})

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetworkWithoutDNS}, nil)
			Expect(err).ToNot(HaveOccurred())

			dhcpConfig := fs.GetFileTestStat("/etc/dhcp/dhclient.conf")
			Expect(dhcpConfig).ToNot(BeNil())
			Expect(dhcpConfig.StringContents()).To(Equal(`# Generated by bosh-agent

option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;

send host-name "<hostname>";

request subnet-mask, broadcast-address, time-offset, routers,
	domain-name, domain-name-servers, domain-search, host-name,
	netbios-name-servers, netbios-scope, interface-mtu,
	rfc3442-classless-static-routes, ntp-servers;

`))
			dhcpConfigSymlink := fs.GetFileTestStat("/etc/dhcp/dhclient-ethdhcp.conf")
			Expect(dhcpConfigSymlink).ToNot(BeNil())
			Expect(dhcpConfigSymlink.SymlinkTarget).To(Equal("/etc/dhcp/dhclient.conf"))
		})

		It("returns an error if it can't write a dhcp configuration", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			fs.WriteFileErrors["/etc/dhcp/dhclient.conf"] = errors.New("dhclient.conf-write-error")

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("dhclient.conf-write-error"))
		})

		It("returns an error if it can't symlink a dhcp configuration", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			fs.SymlinkError = errors.New("dhclient-ethdhcp.conf-symlink-error")

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("dhclient-ethdhcp.conf-symlink-error"))
		})

		It("doesn't write a dhcp configuration if there are no dhcp networks", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethstatic": staticNetwork,
			})

			err := netManager.SetupNetworking(boshsettings.Networks{"static-network": staticNetwork}, nil)
			Expect(err).ToNot(HaveOccurred())

			dhcpConfig := fs.GetFileTestStat("/etc/dhcp/dhclient-ethdhcp.conf")
			Expect(dhcpConfig).To(BeNil())
		})

		It("restarts the networks if any ifconfig file changes", func() {
			changingStaticNetwork := boshsettings.Network{
				Type:    "manual",
				IP:      "1.2.3.5",
				Netmask: "255.255.255.0",
				Gateway: "3.4.5.6",
				Mac:     "ethstatict-that-changes",
			}

			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":                dhcpNetwork,
				"ethstatic-that-changes": changingStaticNetwork,
				"ethstatic":              staticNetwork,
			})

			fs.WriteFileString("/etc/sysconfig/network-scripts/ifcfg-ethstatic", expectedNetworkConfigurationForStatic)
			fs.WriteFileString("/etc/dhcp/dhclient.conf", expectedDhclientConfiguration)

			err := netManager.SetupNetworking(boshsettings.Networks{
				"dhcp-network":            dhcpNetwork,
				"changing-static-network": changingStaticNetwork,
				"static-network":          staticNetwork,
			},
				nil)
			Expect(err).ToNot(HaveOccurred())

			Expect(len(cmdRunner.RunCommands)).To(Equal(1))
			Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"service", "network", "restart"}))
		})

		It("doesn't restart the networks if ifcfg and /etc/dhcp/dhclient.conf don't change", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			fs.WriteFileString("/etc/sysconfig/network-scripts/ifcfg-ethstatic", expectedNetworkConfigurationForStatic)
			fs.WriteFileString("/etc/sysconfig/network-scripts/ifcfg-ethdhcp", expectedNetworkConfigurationForDHCP)
			fs.WriteFileString("/etc/dhcp/dhclient.conf", expectedDhclientConfiguration)

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).ToNot(HaveOccurred())

			networkConfig := fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-ethstatic")
			Expect(networkConfig).ToNot(BeNil())
			Expect(networkConfig.StringContents()).To(Equal(expectedNetworkConfigurationForStatic))

			dhcpConfig := fs.GetFileTestStat("/etc/dhcp/dhclient.conf")
			Expect(dhcpConfig.StringContents()).To(Equal(expectedDhclientConfiguration))

			Expect(len(cmdRunner.RunCommands)).To(Equal(0))
		})

		It("restarts the networks if /etc/dhcp/dhclient.conf changes", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			fs.WriteFileString("/etc/sysconfig/network-scripts/ifcfg-ethstatic", expectedNetworkConfigurationForStatic)

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).ToNot(HaveOccurred())

			networkConfig := fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-ethstatic")
			Expect(networkConfig).ToNot(BeNil())
			Expect(networkConfig.StringContents()).To(Equal(expectedNetworkConfigurationForStatic))

			Expect(len(cmdRunner.RunCommands)).To(Equal(1))
			Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"service", "network", "restart"}))
		})

		It("broadcasts MAC addresses for all interfaces", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			errCh := make(chan error)
			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, errCh)
			Expect(err).ToNot(HaveOccurred())

			broadcastErr := <-errCh // wait for all arpings
			Expect(broadcastErr).ToNot(HaveOccurred())

			Expect(addressBroadcaster.BroadcastMACAddressesAddresses).To(Equal([]boship.InterfaceAddress{
				boship.NewSimpleInterfaceAddress("ethstatic", "1.2.3.4"),
				boship.NewResolvingInterfaceAddress("ethdhcp", ipResolver),
			}))

		})

		It("skips vip networks", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			vipNetwork := boshsettings.Network{
				Type:    "vip",
				Default: []string{"dns"},
				DNS:     []string{"4.4.4.4", "5.5.5.5"},
				Mac:     "fake-vip-mac-address",
				IP:      "9.8.7.6",
			}

			err := netManager.SetupNetworking(boshsettings.Networks{
				"dhcp-network":   dhcpNetwork,
				"static-network": staticNetwork,
				"vip-network":    vipNetwork,
			}, nil)
			Expect(err).ToNot(HaveOccurred())

			networkConfig := fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-ethstatic")
			Expect(networkConfig).ToNot(BeNil())
			Expect(networkConfig.StringContents()).To(Equal(expectedNetworkConfigurationForStatic))
		})

		It("doesn't use vip networks dns", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethstatic": staticNetwork,
			})

			vipNetwork := boshsettings.Network{
				Type:    "vip",
				Default: []string{"dns"},
				DNS:     []string{"4.4.4.4", "5.5.5.5"},
				Mac:     "fake-vip-mac-address",
				IP:      "9.8.7.6",
			}

			err := netManager.SetupNetworking(boshsettings.Networks{
				"vip-network":    vipNetwork,
				"static-network": staticNetwork,
			}, nil)
			Expect(err).ToNot(HaveOccurred())

			networkConfig := fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-ethstatic")
			Expect(networkConfig).ToNot(BeNil())
			Expect(networkConfig.StringContents()).ToNot(ContainSubstring("4.4.4.4"))
			Expect(networkConfig.StringContents()).ToNot(ContainSubstring("5.5.5.5"))
		})

		Context("when no MAC address is provided in the settings", func() {
			var staticNetworkWithoutMAC boshsettings.Network

			BeforeEach(func() {
				staticNetworkWithoutMAC = boshsettings.Network{
					Type:    "manual",
					IP:      "1.2.3.4",
					Netmask: "255.255.255.0",
					Gateway: "3.4.5.6",
					DNS:     []string{"8.8.8.8", "9.9.9.9"},
					Default: []string{"dns"},
				}
			})

			It("configures network for single device", func() {
				stubInterfaces(
					map[string]boshsettings.Network{
						"ethstatic": staticNetwork,
					},
				)

				err := netManager.SetupNetworking(boshsettings.Networks{
					"static-network": staticNetworkWithoutMAC,
				}, nil)
				Expect(err).ToNot(HaveOccurred())

				networkConfig := fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-ethstatic")
				Expect(networkConfig).ToNot(BeNil())
				Expect(networkConfig.StringContents()).To(Equal(expectedNetworkConfigurationForStatic))
			})

			It("configures network for single device, when a virtual device is also present", func() {
				stubInterfacesWithVirtual(
					map[string]boshsettings.Network{
						"ethstatic": staticNetwork,
					},
					[]string{"virtual"},
				)

				err := netManager.SetupNetworking(boshsettings.Networks{
					"static-network": staticNetworkWithoutMAC,
				}, nil)
				Expect(err).ToNot(HaveOccurred())

				physicalNetworkConfig := fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-ethstatic")
				Expect(physicalNetworkConfig).ToNot(BeNil())
				Expect(physicalNetworkConfig.StringContents()).To(Equal(expectedNetworkConfigurationForStatic))

				virtualNetworkConfig := fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-virtual")
				Expect(virtualNetworkConfig).To(BeNil())
			})
		})
	})

	Describe("GetConfiguredNetworkInterfaces", func() {
		Context("when there are network devices", func() {
			BeforeEach(func() {
				interfacePaths := []string{}
				interfacePaths = append(interfacePaths, writeNetworkDevice("fake-eth0", "aa:bb", true))
				interfacePaths = append(interfacePaths, writeNetworkDevice("fake-eth1", "cc:dd", true))
				interfacePaths = append(interfacePaths, writeNetworkDevice("fake-eth2", "ee:ff", true))
				fs.SetGlob("/sys/class/net/*", interfacePaths)
			})

			writeIfcgfFile := func(iface string) {
				fs.WriteFileString(fmt.Sprintf("/etc/sysconfig/network-scripts/ifcfg-%s", iface), "fake-config")
			}

			It("returns networks that have ifcfg config present", func() {
				writeIfcgfFile("fake-eth0")
				writeIfcgfFile("fake-eth2")

				interfaces, err := netManager.GetConfiguredNetworkInterfaces()
				Expect(err).ToNot(HaveOccurred())

				Expect(interfaces).To(ConsistOf("fake-eth0", "fake-eth2"))
			})
		})

		Context("when there are no network devices", func() {
			It("returns empty list", func() {
				interfaces, err := netManager.GetConfiguredNetworkInterfaces()
				Expect(err).ToNot(HaveOccurred())
				Expect(interfaces).To(Equal([]string{}))
			})
		})
	})
}