Esempio n. 1
0
func describeDummyPlatform() {
	var (
		platform           Platform
		collector          boshstats.Collector
		fs                 *fakesys.FakeFileSystem
		cmdRunner          boshsys.CmdRunner
		dirProvider        boshdirs.Provider
		devicePathResolver boshdpresolv.DevicePathResolver
		logger             boshlog.Logger
	)

	BeforeEach(func() {
		collector = &fakestats.FakeCollector{}
		fs = fakesys.NewFakeFileSystem()
		cmdRunner = fakesys.NewFakeCmdRunner()
		dirProvider = boshdirs.NewProvider("/fake-dir")
		devicePathResolver = fakedpresolv.NewFakeDevicePathResolver()
		logger = boshlog.NewLogger(boshlog.LevelNone)
	})

	JustBeforeEach(func() {
		platform = NewDummyPlatform(
			collector,
			fs,
			cmdRunner,
			dirProvider,
			devicePathResolver,
			logger,
		)
	})

	Describe("GetDefaultNetwork", func() {
		It("returns the contents of dummy-defaults-network-settings.json since that's what the dummy cpi writes", func() {
			settingsFilePath := "/fake-dir/bosh/dummy-default-network-settings.json"
			fs.WriteFileString(settingsFilePath, `{"IP": "1.2.3.4"}`)

			network, err := platform.GetDefaultNetwork()
			Expect(err).NotTo(HaveOccurred())

			Expect(network.IP).To(Equal("1.2.3.4"))
		})
	})

	Describe("GetCertManager", func() {
		It("returns a dummy cert manager", func() {
			certManager := platform.GetCertManager()

			Expect(certManager.UpdateCertificates("")).Should(BeNil())
		})
	})

	Describe("MountPersistentDisk", func() {
		var diskSettings boshsettings.DiskSettings
		var mountsPath, managedSettingsPath, formattedDisksPath string

		BeforeEach(func() {
			diskSettings = boshsettings.DiskSettings{ID: "somediskid"}
			mountsPath = filepath.Join(dirProvider.BoshDir(), "mounts.json")
			managedSettingsPath = filepath.Join(dirProvider.BoshDir(), "managed_disk_settings.json")
			formattedDisksPath = filepath.Join(dirProvider.BoshDir(), "formatted_disks.json")
		})

		It("Mounts a persistent disk", func() {
			mountsContent, _ := fs.ReadFileString(mountsPath)
			Expect(mountsContent).To(Equal(""))

			err := platform.MountPersistentDisk(diskSettings, "/dev/potato")
			Expect(err).NotTo(HaveOccurred())

			mountsContent, _ = fs.ReadFileString(mountsPath)
			Expect(mountsContent).To(Equal(`[{"MountDir":"/dev/potato","DiskCid":"somediskid"}]`))
		})

		It("Updates the managed disk settings", func() {
			lastMountedCid, _ := fs.ReadFileString(managedSettingsPath)
			Expect(lastMountedCid).To(Equal(""))

			err := platform.MountPersistentDisk(diskSettings, "/dev/potato")
			Expect(err).NotTo(HaveOccurred())

			lastMountedCid, _ = fs.ReadFileString(managedSettingsPath)
			Expect(lastMountedCid).To(Equal("somediskid"))
		})

		It("Updates the formatted disks", func() {
			formattedDisks, _ := fs.ReadFileString(formattedDisksPath)
			Expect(formattedDisks).To(Equal(""))

			err := platform.MountPersistentDisk(diskSettings, "/dev/potato")
			Expect(err).NotTo(HaveOccurred())

			formattedDisks, _ = fs.ReadFileString(formattedDisksPath)
			Expect(formattedDisks).To(Equal(`[{"DiskCid":"somediskid"}]`))
		})

		Context("Device has already been mounted as expected", func() {
			BeforeEach(func() {
				fs.WriteFileString(managedSettingsPath, "somediskid")
				fs.WriteFileString(mountsPath, `[{"MountDir":"/dev/potato","DiskCid":"somediskid"}]`)
			})

			It("Does not mount in new location", func() {
				err := platform.MountPersistentDisk(diskSettings, "/dev/potato")
				Expect(err).NotTo(HaveOccurred())

				mountsContent, _ := fs.ReadFileString(mountsPath)
				Expect(mountsContent).To(Equal(`[{"MountDir":"/dev/potato","DiskCid":"somediskid"}]`))
			})
		})
	})

	Describe("UnmountPersistentDisk", func() {
		Context("when there are two mounted persistent disks in the mounts json", func() {
			BeforeEach(func() {
				var mounts []mount
				mounts = append(mounts, mount{MountDir: "dir1", DiskCid: "cid1"})
				mounts = append(mounts, mount{MountDir: "dir2", DiskCid: "cid2"})
				mountsJSON, err := json.Marshal(mounts)
				Expect(err).NotTo(HaveOccurred())

				mountsPath := filepath.Join(dirProvider.BoshDir(), "mounts.json")
				fs.WriteFile(mountsPath, mountsJSON)
			})

			It("removes one of the disks from the mounts json", func() {
				unmounted, err := platform.UnmountPersistentDisk(settings.DiskSettings{ID: "cid1"})
				Expect(err).NotTo(HaveOccurred())
				Expect(unmounted).To(Equal(true))

				_, isMountPoint, err := platform.IsMountPoint("dir1")
				Expect(err).NotTo(HaveOccurred())
				Expect(isMountPoint).To(Equal(false))

				_, isMountPoint, err = platform.IsMountPoint("dir2")
				Expect(err).NotTo(HaveOccurred())
				Expect(isMountPoint).To(Equal(true))
			})
		})
	})

	Describe("SetDiskAssociations", func() {
		It("writes the associations to the file", func() {
			diskName1 := "disk1"
			diskName2 := "disk2"

			err := platform.AssociateDisk(diskName1, boshsettings.DiskSettings{})
			Expect(err).NotTo(HaveOccurred())

			err = platform.AssociateDisk(diskName2, boshsettings.DiskSettings{})
			Expect(err).NotTo(HaveOccurred())
			diskAssociationsPath := filepath.Join(dirProvider.BoshDir(), "disk_associations.json")

			actualDiskNames := []string{}
			fileContent, err := fs.ReadFile(diskAssociationsPath)
			Expect(err).NotTo(HaveOccurred())

			err = json.Unmarshal(fileContent, &actualDiskNames)
			Expect(err).NotTo(HaveOccurred())

			Expect(actualDiskNames).To(ConsistOf([]string{
				diskName1,
				diskName2,
			}))
		})
	})

	Describe("IsPersistentDiskMountable", func() {
		BeforeEach(func() {
			formattedDisksPath := filepath.Join(dirProvider.BoshDir(), "formatted_disks.json")
			fs.WriteFileString(formattedDisksPath, `[{"DiskCid": "my-disk-id"}]`)
		})

		Context("when disk has been formatted", func() {
			It("returns true with no error", func() {
				diskSettings := boshsettings.DiskSettings{ID: "my-disk-id"}

				mountable, err := platform.IsPersistentDiskMountable(diskSettings)
				Expect(err).ToNot(HaveOccurred())
				Expect(mountable).To(Equal(true))
			})
		})

		Context("when disk has NOT been formatted", func() {
			It("returns false with no error", func() {
				diskSettings := boshsettings.DiskSettings{ID: "some-other-disk-id"}

				mountable, err := platform.IsPersistentDiskMountable(diskSettings)
				Expect(err).ToNot(HaveOccurred())
				Expect(mountable).To(Equal(false))
			})
		})
	})

	Describe("SetUserPassword", func() {
		It("writes the password to a file", func() {
			err := platform.SetUserPassword("user-name", "fake-password")
			Expect(err).NotTo(HaveOccurred())

			userPasswordsPath := filepath.Join(dirProvider.BoshDir(), "user-name", CredentialFileName)
			password, err := fs.ReadFileString(userPasswordsPath)
			Expect(err).NotTo(HaveOccurred())
			Expect(password).To(Equal("fake-password"))
		})

		It("writes the passwords to different files for each user", func() {
			err := platform.SetUserPassword("user-name1", "fake-password1")
			Expect(err).NotTo(HaveOccurred())
			err = platform.SetUserPassword("user-name2", "fake-password2")
			Expect(err).NotTo(HaveOccurred())

			userPasswordsPath := filepath.Join(dirProvider.BoshDir(), "user-name1", CredentialFileName)
			password, err := fs.ReadFileString(userPasswordsPath)
			Expect(err).NotTo(HaveOccurred())
			Expect(password).To(Equal("fake-password1"))

			userPasswordsPath = filepath.Join(dirProvider.BoshDir(), "user-name2", CredentialFileName)
			password, err = fs.ReadFileString(userPasswordsPath)
			Expect(err).NotTo(HaveOccurred())
			Expect(password).To(Equal("fake-password2"))
		})
	})

	Describe("SetupDataDir", func() {
		It("creates a link from BASEDIR/sys to BASEDIR/data/sys", func() {
			err := platform.SetupDataDir()
			Expect(err).NotTo(HaveOccurred())

			stat := fs.GetFileTestStat(filepath.Clean("/fake-dir/sys"))

			Expect(stat).ToNot(BeNil())
			Expect(stat.SymlinkTarget).To(Equal("/fake-dir/data/sys"))
		})
	})

	Describe("SetupBlobsDir", func() {
		It("creates a blobs folder under BASEDIR/DATADIR with correct permissions", func() {
			err := platform.SetupBlobsDir()
			Expect(err).NotTo(HaveOccurred())

			stat := fs.GetFileTestStat(filepath.Clean("/fake-dir/data/blobs"))

			Expect(stat.FileType).To(Equal(fakesys.FakeFileTypeDir))
			Expect(stat.FileMode).To(Equal(os.FileMode(0700)))
		})
	})
}
Esempio n. 2
0
func describeDummyPlatform() {
	var (
		platform           Platform
		collector          boshstats.Collector
		fs                 *fakesys.FakeFileSystem
		cmdRunner          boshsys.CmdRunner
		dirProvider        boshdirs.Provider
		devicePathResolver boshdpresolv.DevicePathResolver
		logger             boshlog.Logger
	)

	BeforeEach(func() {
		collector = &fakestats.FakeCollector{}
		fs = fakesys.NewFakeFileSystem()
		cmdRunner = fakesys.NewFakeCmdRunner()
		dirProvider = boshdirs.NewProvider("/fake-dir")
		devicePathResolver = fakedpresolv.NewFakeDevicePathResolver()
		logger = boshlog.NewLogger(boshlog.LevelNone)
	})

	JustBeforeEach(func() {
		platform = NewDummyPlatform(
			collector,
			fs,
			cmdRunner,
			dirProvider,
			devicePathResolver,
			logger,
		)
	})

	Describe("GetDefaultNetwork", func() {
		It("returns the contents of dummy-defaults-network-settings.json since that's what the dummy cpi writes", func() {
			settingsFilePath := "/fake-dir/bosh/dummy-default-network-settings.json"
			fs.WriteFileString(settingsFilePath, `{"IP": "1.2.3.4"}`)

			network, err := platform.GetDefaultNetwork()
			Expect(err).NotTo(HaveOccurred())

			Expect(network.IP).To(Equal("1.2.3.4"))
		})
	})

	Describe("GetCertManager", func() {
		It("returs a dummy cert manager", func() {
			certManager := platform.GetCertManager()

			Expect(certManager.UpdateCertificates("")).Should(BeNil())
		})
	})

	Describe("UnmountPersistentDisk", func() {
		Context("when there are two mounted persistent disks in the mounts json", func() {
			BeforeEach(func() {

				var mounts []mount
				mounts = append(mounts, mount{MountDir: "dir1", DiskCid: "cid1"})
				mounts = append(mounts, mount{MountDir: "dir2", DiskCid: "cid2"})
				mountsJSON, _ := json.Marshal(mounts)

				mountsPath := path.Join(dirProvider.BoshDir(), "mounts.json")
				fs.WriteFile(mountsPath, mountsJSON)
			})

			It("removes one of the disks from the mounts json", func() {
				unmounted, err := platform.UnmountPersistentDisk(settings.DiskSettings{ID: "cid1"})
				Expect(err).NotTo(HaveOccurred())
				Expect(unmounted).To(Equal(true))

				_, isMountPoint, err := platform.IsMountPoint("dir1")
				Expect(isMountPoint).To(Equal(false))

				_, isMountPoint, err = platform.IsMountPoint("dir2")
				Expect(isMountPoint).To(Equal(true))
			})
		})
	})

	Describe("SetUserPassword", func() {
		It("writes the password to a file", func() {
			err := platform.SetUserPassword("user-name", "fake-password")
			Expect(err).NotTo(HaveOccurred())

			userPasswordsPath := path.Join(dirProvider.BoshDir(), "user-name", CredentialFileName)
			password, err := fs.ReadFileString(userPasswordsPath)
			Expect(err).NotTo(HaveOccurred())
			Expect(password).To(Equal("fake-password"))
		})

		It("writes the passwords to different files for each user", func() {
			err := platform.SetUserPassword("user-name1", "fake-password1")
			Expect(err).NotTo(HaveOccurred())
			err = platform.SetUserPassword("user-name2", "fake-password2")
			Expect(err).NotTo(HaveOccurred())

			userPasswordsPath := path.Join(dirProvider.BoshDir(), "user-name1", CredentialFileName)
			password, err := fs.ReadFileString(userPasswordsPath)
			Expect(err).NotTo(HaveOccurred())
			Expect(password).To(Equal("fake-password1"))

			userPasswordsPath = path.Join(dirProvider.BoshDir(), "user-name2", CredentialFileName)
			password, err = fs.ReadFileString(userPasswordsPath)
			Expect(err).NotTo(HaveOccurred())
			Expect(password).To(Equal("fake-password2"))
		})
	})

	Describe("SetupDataDir", func() {
		It("creates a link from BASEDIR/sys to BASEDIR/data/sys", func() {
			err := platform.SetupDataDir()
			Expect(err).NotTo(HaveOccurred())

			stat := fs.GetFileTestStat("/fake-dir/sys")

			Expect(stat).ToNot(BeNil())
			Expect(stat.SymlinkTarget).To(Equal("/fake-dir/data/sys"))
		})
	})
}
func describeDummyPlatform() {
	var (
		platform           Platform
		collector          boshstats.Collector
		fs                 boshsys.FileSystem
		cmdRunner          boshsys.CmdRunner
		dirProvider        boshdirs.Provider
		devicePathResolver boshdpresolv.DevicePathResolver
		logger             boshlog.Logger
	)

	BeforeEach(func() {
		collector = &fakestats.FakeCollector{}
		fs = fakesys.NewFakeFileSystem()
		cmdRunner = fakesys.NewFakeCmdRunner()
		dirProvider = boshdirs.NewProvider("/fake-dir")
		devicePathResolver = fakedpresolv.NewFakeDevicePathResolver()
		logger = boshlog.NewLogger(boshlog.LevelNone)
	})

	JustBeforeEach(func() {
		platform = NewDummyPlatform(
			collector,
			fs,
			cmdRunner,
			dirProvider,
			devicePathResolver,
			logger,
		)
	})

	Describe("GetDefaultNetwork", func() {
		It("returns the contents of dummy-defaults-network-settings.json since that's what the dummy cpi writes", func() {
			settingsFilePath := "/fake-dir/bosh/dummy-default-network-settings.json"
			fs.WriteFileString(settingsFilePath, `{"IP": "1.2.3.4"}`)

			network, err := platform.GetDefaultNetwork()
			Expect(err).NotTo(HaveOccurred())

			Expect(network.IP).To(Equal("1.2.3.4"))
		})
	})

	Describe("GetCertManager", func() {
		It("returs a dummy cert manager", func() {
			certManager := platform.GetCertManager()

			Expect(certManager.UpdateCertificates("")).Should(BeNil())
		})
	})

	Describe("UnmountPersistentDisk", func() {
		Context("when there are two mounted persistent disks in the mounts json", func() {
			BeforeEach(func() {

				var mounts []mount
				mounts = append(mounts, mount{MountDir: "dir1", DiskCid: "cid1"})
				mounts = append(mounts, mount{MountDir: "dir2", DiskCid: "cid2"})
				mountsJSON, _ := json.Marshal(mounts)

				mountsPath := path.Join(dirProvider.BoshDir(), "mounts.json")
				fs.WriteFile(mountsPath, mountsJSON)
			})

			It("removes one of the disks from the mounts json", func() {
				unmounted, err := platform.UnmountPersistentDisk(settings.DiskSettings{ID: "cid1"})
				Expect(err).NotTo(HaveOccurred())
				Expect(unmounted).To(Equal(true))

				Expect(platform.IsMountPoint("dir1")).To(Equal(false))
				Expect(platform.IsMountPoint("dir2")).To(Equal(true))
			})
		})
	})
}