func init() { Describe("renderedJobApplier", func() { var ( jobsBc *fakebc.FakeBundleCollection jobSupervisor *fakejobsuper.FakeJobSupervisor packageApplierProvider *fakepackages.FakeApplierProvider blobstore *fakeblob.FakeBlobstore compressor *fakecmd.FakeCompressor fs *fakesys.FakeFileSystem applier Applier ) BeforeEach(func() { jobsBc = fakebc.NewFakeBundleCollection() jobSupervisor = fakejobsuper.NewFakeJobSupervisor() packageApplierProvider = fakepackages.NewFakeApplierProvider() blobstore = fakeblob.NewFakeBlobstore() fs = fakesys.NewFakeFileSystem() compressor = fakecmd.NewFakeCompressor() logger := boshlog.NewLogger(boshlog.LevelNone) applier = NewRenderedJobApplier( jobsBc, jobSupervisor, packageApplierProvider, blobstore, compressor, fs, logger, ) }) Describe("Prepare & Apply", func() { var ( job models.Job bundle *fakebc.FakeBundle ) BeforeEach(func() { job, bundle = buildJob(jobsBc) }) ItInstallsJob := func(act func() error) { BeforeEach(func() { fs.TempDirDir = "/fake-tmp-dir" }) It("returns error when installing job fails", func() { bundle.InstallError = errors.New("fake-install-error") err := act() Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-install-error")) }) It("downloads and later cleans up downloaded job template blob", func() { blobstore.GetFileName = "/fake-blobstore-file-name" err := act() Expect(err).ToNot(HaveOccurred()) Expect(blobstore.GetBlobIDs[0]).To(Equal("fake-blobstore-id")) Expect(blobstore.GetFingerprints[0]).To(Equal(boshcrypto.NewDigest("sha1", "fake-blob-sha1"))) // downloaded file is cleaned up Expect(blobstore.CleanUpFileName).To(Equal("/fake-blobstore-file-name")) }) It("returns error when downloading job template blob fails", func() { blobstore.GetError = errors.New("fake-get-error") err := act() Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-get-error")) }) It("decompresses job template blob to tmp path and later cleans it up", func() { blobstore.GetFileName = "/fake-blobstore-file-name" var tmpDirExistsBeforeInstall bool bundle.InstallCallBack = func() { tmpDirExistsBeforeInstall = true } err := act() Expect(err).ToNot(HaveOccurred()) Expect(compressor.DecompressFileToDirTarballPaths[0]).To(Equal("/fake-blobstore-file-name")) Expect(compressor.DecompressFileToDirDirs[0]).To(Equal("/fake-tmp-dir")) // tmp dir exists before bundle install Expect(tmpDirExistsBeforeInstall).To(BeTrue()) // tmp dir is cleaned up after install Expect(fs.FileExists(fs.TempDirDir)).To(BeFalse()) }) It("returns error when temporary directory creation fails", func() { fs.TempDirError = errors.New("fake-filesystem-tempdir-error") err := act() Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-filesystem-tempdir-error")) }) It("can process sha1 checksums in the new format", func() { blobstore.GetFileName = "/fake-blobstore-file-name" job.Source.Sha1 = "sha1:fake-blob-sha1" err := act() Expect(err).ToNot(HaveOccurred()) Expect(blobstore.GetBlobIDs[0]).To(Equal("fake-blobstore-id")) Expect(blobstore.GetFingerprints[0]).To(Equal(boshcrypto.NewDigest("sha1", "fake-blob-sha1"))) }) It("can process sha2 checksums", func() { blobstore.GetFileName = "/fake-blobstore-file-name" job.Source.Sha1 = "sha256:fake-blob-sha256" err := act() Expect(err).ToNot(HaveOccurred()) Expect(blobstore.GetBlobIDs[0]).To(Equal("fake-blobstore-id")) Expect(blobstore.GetFingerprints[0]).To(Equal(boshcrypto.NewDigest("sha256", "fake-blob-sha256"))) }) It("returns error when given and unsupported fingerprint", func() { blobstore.GetFileName = "/fake-blobstore-file-name" job.Source.Sha1 = "unsupported:checksum" err := act() Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("Parsing job blob digest")) }) It("returns error when decompressing job template fails", func() { compressor.DecompressFileToDirErr = errors.New("fake-decompress-error") err := act() Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-decompress-error")) }) It("returns error when walking the tree of files fails", func() { fs.WalkErr = errors.New("fake-walk-error") err := act() Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-walk-error")) }) It("installs bundle from decompressed tmp path of a job template", func() { var installedBeforeDecompression bool compressor.DecompressFileToDirCallBack = func() { installedBeforeDecompression = bundle.Installed } err := act() Expect(err).ToNot(HaveOccurred()) // bundle installation did not happen before decompression Expect(installedBeforeDecompression).To(BeFalse()) // make sure that bundle install happened after decompression Expect(bundle.InstallSourcePath).To(Equal("/fake-tmp-dir/fake-path-in-archive")) }) It("sets executable bit for the bin and config directories", func() { var binDirStats, configDirStats *fakesys.FakeFileStats compressor.DecompressFileToDirCallBack = func() { fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/bin/blarg", []byte{}) fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/config/blarg.yml", []byte{}) } bundle.InstallCallBack = func() { binDirStats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/bin") configDirStats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/config") } err := act() Expect(err).ToNot(HaveOccurred()) Expect(int(binDirStats.FileMode)).To(Equal(0755)) Expect(int(configDirStats.FileMode)).To(Equal(0755)) }) It("sets executable bit for files in bin", func() { compressor.DecompressFileToDirCallBack = func() { fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/bin/test1", []byte{}) fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/bin/test2", []byte{}) fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/config/test", []byte{}) } fs.SetGlob("/fake-tmp-dir/fake-path-in-archive/bin/*", []string{ "/fake-tmp-dir/fake-path-in-archive/bin/test1", "/fake-tmp-dir/fake-path-in-archive/bin/test2", }) var binTest1Stats, binTest2Stats, configTestStats *fakesys.FakeFileStats bundle.InstallCallBack = func() { binTest1Stats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/bin/test1") binTest2Stats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/bin/test2") configTestStats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/config/test") } err := act() Expect(err).ToNot(HaveOccurred()) // bin files are executable Expect(int(binTest1Stats.FileMode)).To(Equal(0755)) Expect(int(binTest2Stats.FileMode)).To(Equal(0755)) // non-bin files are not made executable Expect(int(configTestStats.FileMode)).ToNot(Equal(0755)) }) It("sets 644 permissions for files in config", func() { compressor.DecompressFileToDirCallBack = func() { fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/config/config1", []byte{}) fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/config/config2", []byte{}) } fs.SetGlob("/fake-tmp-dir/fake-path-in-archive/config/*", []string{ "/fake-tmp-dir/fake-path-in-archive/config/config1", "/fake-tmp-dir/fake-path-in-archive/config/config2", }) var config1Stats, config2Stats *fakesys.FakeFileStats bundle.InstallCallBack = func() { config1Stats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/config/config1") config2Stats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/config/config2") } err := act() Expect(err).ToNot(HaveOccurred()) // permission for config files should be readable by all Expect(int(config1Stats.FileMode)).To(Equal(0644)) Expect(int(config2Stats.FileMode)).To(Equal(0644)) }) } ItUpdatesPackages := func(act func() error) { var packageApplier *fakepackages.FakeApplier BeforeEach(func() { packageApplier = fakepackages.NewFakeApplier() packageApplierProvider.JobSpecificAppliers[job.Name] = packageApplier }) It("applies each package that job depends on and then cleans up packages", func() { err := act() Expect(err).ToNot(HaveOccurred()) Expect(packageApplier.ActionsCalled).To(Equal([]string{"Apply", "Apply", "KeepOnly"})) Expect(len(packageApplier.AppliedPackages)).To(Equal(2)) // present Expect(packageApplier.AppliedPackages).To(Equal(job.Packages)) }) It("returns error when applying package that job depends on fails", func() { packageApplier.ApplyError = errors.New("fake-apply-err") err := act() Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-apply-err")) }) It("keeps only currently required packages but does not completely uninstall them", func() { err := act() Expect(err).ToNot(HaveOccurred()) Expect(len(packageApplier.KeptOnlyPackages)).To(Equal(2)) // present Expect(packageApplier.KeptOnlyPackages).To(Equal(job.Packages)) }) It("returns error when keeping only currently required packages fails", func() { packageApplier.KeepOnlyErr = errors.New("fake-keep-only-err") err := act() Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-keep-only-err")) }) } Describe("Prepare", func() { act := func() error { return applier.Prepare(job) } It("return an error if getting file bundle fails", func() { jobsBc.GetErr = errors.New("fake-get-bundle-error") err := act() Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-get-bundle-error")) }) It("returns an error if checking for installed path fails", func() { bundle.IsInstalledErr = errors.New("fake-is-installed-error") err := act() Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-is-installed-error")) }) Context("when job is already installed", func() { BeforeEach(func() { bundle.Installed = true }) It("does not install", func() { err := act() Expect(err).ToNot(HaveOccurred()) Expect(bundle.ActionsCalled).To(Equal([]string{})) // no Install }) It("does not download the job template", func() { err := act() Expect(err).ToNot(HaveOccurred()) Expect(blobstore.GetBlobIDs).To(BeNil()) }) }) Context("when job is not installed", func() { BeforeEach(func() { bundle.Installed = false }) It("installs job (but does not enable)", func() { err := act() Expect(err).ToNot(HaveOccurred()) Expect(bundle.ActionsCalled).To(Equal([]string{"Install"})) }) ItInstallsJob(act) }) }) Describe("Apply", func() { act := func() error { return applier.Apply(job) } It("return an error if getting file bundle fails", func() { jobsBc.GetErr = errors.New("fake-get-bundle-error") err := act() Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-get-bundle-error")) }) It("returns an error if checking for installed path fails", func() { bundle.IsInstalledErr = errors.New("fake-is-installed-error") err := act() Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-is-installed-error")) }) Context("when job is already installed", func() { BeforeEach(func() { bundle.Installed = true }) It("does not install but only enables job", func() { err := act() Expect(err).ToNot(HaveOccurred()) Expect(bundle.ActionsCalled).To(Equal([]string{"Enable"})) // no Install }) It("returns error when job enable fails", func() { bundle.EnableError = errors.New("fake-enable-error") err := act() Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-enable-error")) }) It("does not download the job template", func() { err := act() Expect(err).ToNot(HaveOccurred()) Expect(blobstore.GetBlobIDs).To(BeNil()) }) ItUpdatesPackages(act) }) Context("when job is not installed", func() { BeforeEach(func() { bundle.Installed = false }) It("installs and enables job", func() { err := act() Expect(err).ToNot(HaveOccurred()) Expect(bundle.ActionsCalled).To(Equal([]string{"Install", "Enable"})) }) It("returns error when job enable fails", func() { bundle.EnableError = errors.New("fake-enable-error") err := act() Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-enable-error")) }) ItInstallsJob(act) ItUpdatesPackages(act) }) }) }) Describe("Configure", func() { It("adds job to the job supervisor", func() { job, bundle := buildJob(jobsBc) fs := fakesys.NewFakeFileSystem() fs.WriteFileString("/path/to/job/monit", "some conf") fs.SetGlob("/path/to/job/*.monit", []string{"/path/to/job/subjob.monit"}) bundle.GetDirPath = "/path/to/job" bundle.GetDirFs = fs err := applier.Configure(job, 0) Expect(err).ToNot(HaveOccurred()) Expect(len(jobSupervisor.AddJobArgs)).To(Equal(2)) Expect(jobSupervisor.AddJobArgs[0]).To(Equal(fakejobsuper.AddJobArgs{ Name: job.Name, Index: 0, ConfigPath: "/path/to/job/monit", })) Expect(jobSupervisor.AddJobArgs[1]).To(Equal(fakejobsuper.AddJobArgs{ Name: job.Name + "_subjob", Index: 0, ConfigPath: "/path/to/job/subjob.monit", })) }) It("does not require monit script", func() { job, bundle := buildJob(jobsBc) fs := fakesys.NewFakeFileSystem() bundle.GetDirFs = fs err := applier.Configure(job, 0) Expect(err).ToNot(HaveOccurred()) Expect(len(jobSupervisor.AddJobArgs)).To(Equal(0)) }) }) Describe("KeepOnly", func() { It("first disables and then uninstalls jobs that are not in keeponly list", func() { _, bundle1 := buildJob(jobsBc) job2, bundle2 := buildJob(jobsBc) _, bundle3 := buildJob(jobsBc) job4, bundle4 := buildJob(jobsBc) jobsBc.ListBundles = []boshbc.Bundle{bundle1, bundle2, bundle3, bundle4} err := applier.KeepOnly([]models.Job{job4, job2}) Expect(err).ToNot(HaveOccurred()) Expect(bundle1.ActionsCalled).To(Equal([]string{"Disable", "Uninstall"})) Expect(bundle2.ActionsCalled).To(Equal([]string{})) Expect(bundle3.ActionsCalled).To(Equal([]string{"Disable", "Uninstall"})) Expect(bundle4.ActionsCalled).To(Equal([]string{})) }) It("returns error when bundle collection fails to return list of installed bundles", func() { jobsBc.ListErr = errors.New("fake-bc-list-error") err := applier.KeepOnly([]models.Job{}) Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-bc-list-error")) }) It("returns error when bundle collection cannot retrieve bundle for keep-only job", func() { job1, bundle1 := buildJob(jobsBc) jobsBc.ListBundles = []boshbc.Bundle{bundle1} jobsBc.GetErr = errors.New("fake-bc-get-error") err := applier.KeepOnly([]models.Job{job1}) Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-bc-get-error")) }) It("returns error when at least one bundle cannot be disabled", func() { _, bundle1 := buildJob(jobsBc) jobsBc.ListBundles = []boshbc.Bundle{bundle1} bundle1.DisableErr = errors.New("fake-bc-disable-error") err := applier.KeepOnly([]models.Job{}) Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-bc-disable-error")) }) It("returns error when at least one bundle cannot be uninstalled", func() { _, bundle1 := buildJob(jobsBc) jobsBc.ListBundles = []boshbc.Bundle{bundle1} bundle1.UninstallErr = errors.New("fake-bc-uninstall-error") err := applier.KeepOnly([]models.Job{}) Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("fake-bc-uninstall-error")) }) }) }) }