func init() {
const expectedUbuntuDHCPConfig = `# 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 zz.zz.zz.zz;
prepend domain-name-servers yy.yy.yy.yy;
prepend domain-name-servers xx.xx.xx.xx;
`
Describe("ubuntu", func() {
var (
collector *fakestats.FakeStatsCollector
fs *fakesys.FakeFileSystem
cmdRunner *fakesys.FakeCmdRunner
diskManager *fakedisk.FakeDiskManager
dirProvider boshdirs.DirectoriesProvider
platform Platform
cdutil *fakecd.FakeCdUtil
compressor boshcmd.Compressor
copier boshcmd.Copier
vitalsService boshvitals.Service
logger boshlog.Logger
)
BeforeEach(func() {
collector = &fakestats.FakeStatsCollector{}
fs = fakesys.NewFakeFileSystem()
cmdRunner = fakesys.NewFakeCmdRunner()
diskManager = fakedisk.NewFakeDiskManager()
dirProvider = boshdirs.NewDirectoriesProvider("/fake-dir")
cdutil = fakecd.NewFakeCdUtil()
compressor = boshcmd.NewTarballCompressor(cmdRunner, fs)
copier = boshcmd.NewCpCopier(cmdRunner, fs)
vitalsService = boshvitals.NewService(collector, dirProvider)
logger = boshlog.NewLogger(boshlog.LevelNone)
})
JustBeforeEach(func() {
netManager := boshnet.NewUbuntuNetManager(fs, cmdRunner, 1*time.Millisecond)
platform = NewLinuxPlatform(
fs,
cmdRunner,
collector,
compressor,
copier,
dirProvider,
vitalsService,
cdutil,
diskManager,
netManager,
1*time.Millisecond,
logger,
)
})
Describe("SetupDhcp", func() {
networks := boshsettings.Networks{
"bosh": boshsettings.Network{
Default: []string{"dns"},
DNS: []string{"xx.xx.xx.xx", "yy.yy.yy.yy", "zz.zz.zz.zz"},
},
"vip": boshsettings.Network{
Default: []string{},
DNS: []string{"aa.aa.aa.aa"},
},
}
Context("when dhcp was not previously configured", func() {
It("updates dhclient.conf", func() {
err := platform.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
dhcpConfig := fs.GetFileTestStat("/etc/dhcp3/dhclient.conf")
Expect(dhcpConfig).ToNot(BeNil())
Expect(dhcpConfig.StringContents()).To(Equal(expectedUbuntuDHCPConfig))
})
It("restarts dhclient", func() {
err := platform.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
Expect(len(cmdRunner.RunCommands)).To(Equal(2))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"pkill", "dhclient3"}))
Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"/etc/init.d/networking", "restart"}))
})
})
Context("when dhcp was previously configured with different configuration", func() {
BeforeEach(func() {
fs.WriteFileString("/etc/dhcp3/dhclient.conf", "fake-other-configuration")
})
It("sets up dhcp and restarts dhclient", func() {
err := platform.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
dhcpConfig := fs.GetFileTestStat("/etc/dhcp3/dhclient.conf")
Expect(dhcpConfig).ToNot(BeNil())
Expect(dhcpConfig.StringContents()).To(Equal(expectedUbuntuDHCPConfig))
})
It("sets up dhcp and restarts dhclient", func() {
err := platform.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
Expect(len(cmdRunner.RunCommands)).To(Equal(2))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"pkill", "dhclient3"}))
Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"/etc/init.d/networking", "restart"}))
})
})
Context("when dhcp was previously configured with the same configuration", func() {
BeforeEach(func() {
fs.WriteFileString("/etc/dhcp3/dhclient.conf", expectedUbuntuDHCPConfig)
})
It("does not restart dhclient", func() {
err := platform.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
dhcpConfig := fs.GetFileTestStat("/etc/dhcp3/dhclient.conf")
Expect(dhcpConfig).ToNot(BeNil())
Expect(dhcpConfig.StringContents()).To(Equal(expectedUbuntuDHCPConfig))
})
It("does not restart dhclient", func() {
err := platform.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
Expect(len(cmdRunner.RunCommands)).To(Equal(0))
})
})
})
Describe("SetupManualNetworking", func() {
BeforeEach(func() {
// For mac addr to interface resolution
fs.WriteFile("/sys/class/net/eth0", []byte{})
fs.WriteFileString("/sys/class/net/eth0/address", "22:00:0a:1f:ac:2a\n")
fs.SetGlob("/sys/class/net/*", []string{"/sys/class/net/eth0"})
})
networks := boshsettings.Networks{
"bosh": boshsettings.Network{
Default: []string{"dns", "gateway"},
IP: "192.168.195.6",
Netmask: "255.255.255.0",
Gateway: "192.168.195.1",
Mac: "22:00:0a:1f:ac:2a",
DNS: []string{"10.80.130.2", "10.80.130.1"},
},
}
Context("when manual networking was not previously configured", func() {
It("writes /etc/network/interfaces", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
Expect(networkConfig).ToNot(BeNil())
Expect(networkConfig.StringContents()).To(Equal(expectedUbuntuNetworkInterfaces))
})
It("restarts networking", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
Expect(len(cmdRunner.RunCommands) >= 2).To(BeTrue())
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"service", "network-interface", "stop", "INTERFACE=eth0"}))
Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"service", "network-interface", "start", "INTERFACE=eth0"}))
})
It("updates dns", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
resolvConf := fs.GetFileTestStat("/etc/resolv.conf")
Expect(resolvConf).ToNot(BeNil())
Expect(resolvConf.StringContents()).To(Equal(expectedUbuntuResolvConf))
})
It("starts sending arping", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
time.Sleep(100 * time.Millisecond)
Expect(cmdRunner.RunCommands[2]).To(Equal([]string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}))
Expect(cmdRunner.RunCommands[7]).To(Equal([]string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}))
})
})
Context("when manual networking was previously configured with different configuration", func() {
BeforeEach(func() {
fs.WriteFileString("/etc/network/interfaces", "fake-manual-config")
})
It("updates /etc/network/interfaces", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
Expect(networkConfig).ToNot(BeNil())
Expect(networkConfig.StringContents()).To(Equal(expectedUbuntuNetworkInterfaces))
})
It("restarts networking", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
Expect(len(cmdRunner.RunCommands) >= 2).To(BeTrue())
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"service", "network-interface", "stop", "INTERFACE=eth0"}))
Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"service", "network-interface", "start", "INTERFACE=eth0"}))
})
It("updates dns", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
resolvConf := fs.GetFileTestStat("/etc/resolv.conf")
Expect(resolvConf).ToNot(BeNil())
Expect(resolvConf.StringContents()).To(Equal(expectedUbuntuResolvConf))
})
It("starts sending arping", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
time.Sleep(100 * time.Millisecond)
Expect(cmdRunner.RunCommands[2]).To(Equal([]string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}))
Expect(cmdRunner.RunCommands[7]).To(Equal([]string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}))
})
})
Context("when manual networking was previously configured with same configuration", func() {
BeforeEach(func() {
fs.WriteFileString("/etc/network/interfaces", expectedUbuntuNetworkInterfaces)
})
It("keeps same /etc/network/interfaces", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
Expect(networkConfig).ToNot(BeNil())
Expect(networkConfig.StringContents()).To(Equal(expectedUbuntuNetworkInterfaces))
})
It("does not restart networking because configuration did not change", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
for _, cmd := range cmdRunner.RunCommands {
Expect(cmd[0]).ToNot(Equal("service"))
}
})
It("updates /etc/resolv.conf for DNS", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
resolvConf := fs.GetFileTestStat("/etc/resolv.conf")
Expect(resolvConf).ToNot(BeNil())
Expect(resolvConf.StringContents()).To(Equal(expectedUbuntuResolvConf))
})
It("starts sending 6 arp ping", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
time.Sleep(100 * time.Millisecond)
Expect(len(cmdRunner.RunCommands)).To(Equal(6))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}))
Expect(cmdRunner.RunCommands[5]).To(Equal([]string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}))
})
})
})
})
}
func init() {
Describe("renderedJobApplier", func() {
var (
jobsBc *fakebc.FakeBundleCollection
jobSupervisor *fakejobsuper.FakeJobSupervisor
packageApplierProvider *fakepa.FakePackageApplierProvider
blobstore *fakeblob.FakeBlobstore
compressor *fakecmd.FakeCompressor
fs *fakesys.FakeFileSystem
applier JobApplier
)
BeforeEach(func() {
jobsBc = fakebc.NewFakeBundleCollection()
jobSupervisor = fakejobsuper.NewFakeJobSupervisor()
packageApplierProvider = fakepa.NewFakePackageApplierProvider()
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) {
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("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() {
fs.TempDirDir = "/fake-tmp-dir"
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("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 getting the list of bin files fails", func() {
fs.GlobErr = errors.New("fake-glob-error")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-glob-error"))
})
It("returns error when changing permissions on bin files fails", func() {
fs.TempDirDir = "/fake-tmp-dir"
fs.SetGlob("/fake-tmp-dir/fake-path-in-archive/bin/*", []string{
"/fake-tmp-dir/fake-path-in-archive/bin/test",
})
fs.ChmodErr = errors.New("fake-chmod-error")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-chmod-error"))
})
It("installs bundle from decompressed tmp path of a job template", func() {
fs.TempDirDir = "/fake-tmp-dir"
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 files in bin", func() {
fs.TempDirDir = "/fake-tmp-dir"
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))
})
}
ItUpdatesPackages := func(act func() error) {
var packageApplier *fakepa.FakePackageApplier
BeforeEach(func() {
packageApplier = fakepa.NewFakePackageApplier()
packageApplierProvider.JobSpecificPackageAppliers[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(2).To(Equal(len(jobSupervisor.AddJobArgs)))
firstArgs := fakejobsuper.AddJobArgs{
Name: job.Name,
Index: 0,
ConfigPath: "/path/to/job/monit",
}
secondArgs := fakejobsuper.AddJobArgs{
Name: job.Name + "_subjob",
Index: 0,
ConfigPath: "/path/to/job/subjob.monit",
}
Expect(firstArgs).To(Equal(jobSupervisor.AddJobArgs[0]))
Expect(secondArgs).To(Equal(jobSupervisor.AddJobArgs[1]))
})
})
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"))
})
})
})
}
func init() {
const expectedUbuntuDHCPConfig = `# 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 zz.zz.zz.zz, yy.yy.yy.yy, xx.xx.xx.xx;
`
Describe("ubuntuNetManager", func() {
var (
fs *fakesys.FakeFileSystem
cmdRunner *fakesys.FakeCmdRunner
defaultNetworkResolver *fakenet.FakeDefaultNetworkResolver
netManager NetManager
)
BeforeEach(func() {
fs = fakesys.NewFakeFileSystem()
cmdRunner = fakesys.NewFakeCmdRunner()
defaultNetworkResolver = &fakenet.FakeDefaultNetworkResolver{}
logger := boshlog.NewLogger(boshlog.LevelNone)
netManager = NewUbuntuNetManager(fs, cmdRunner, defaultNetworkResolver, 1*time.Millisecond, logger)
})
Describe("SetupDhcp", func() {
networks := boshsettings.Networks{
"bosh": boshsettings.Network{
Default: []string{"dns"},
DNS: []string{"xx.xx.xx.xx", "yy.yy.yy.yy", "zz.zz.zz.zz"},
},
"vip": boshsettings.Network{
Default: []string{},
DNS: []string{"aa.aa.aa.aa"},
},
}
ItRestartsDhcp := func() {
Context("when ifconfig version is 0.7", func() {
BeforeEach(func() {
cmdRunner.AddCmdResult("ifup --version", fakesys.FakeCmdResult{
Stdout: "ifup version 0.7.47",
})
})
It("restarts dhclient", func() {
err := netManager.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
Expect(len(cmdRunner.RunCommands)).To(Equal(3))
Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"ifdown", "-a", "--no-loopback"}))
Expect(cmdRunner.RunCommands[2]).To(Equal([]string{"ifup", "-a", "--no-loopback"}))
})
})
Context("when ifconfig version is 0.6", func() {
BeforeEach(func() {
cmdRunner.AddCmdResult("ifup --version", fakesys.FakeCmdResult{
Stdout: "ifup version 0.6.0",
})
})
It("restarts dhclient", func() {
err := netManager.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
Expect(len(cmdRunner.RunCommands)).To(Equal(3))
Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"ifdown", "-a", "--exclude=lo"}))
Expect(cmdRunner.RunCommands[2]).To(Equal([]string{"ifup", "-a", "--exclude=lo"}))
})
})
}
ItUpdatesDhcp3Config := func() {
It("updates /etc/dhcp3/dhclient.conf", func() {
err := netManager.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
dhcpConfig := fs.GetFileTestStat("/etc/dhcp3/dhclient.conf")
Expect(dhcpConfig).ToNot(BeNil())
Expect(dhcpConfig.StringContents()).To(Equal(expectedUbuntuDHCPConfig))
})
}
ItUpdatesDhcpConfig := func() {
It("updates /etc/dhcp/dhclient.conf", func() {
err := netManager.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
dhcpConfig := fs.GetFileTestStat("/etc/dhcp/dhclient.conf")
Expect(dhcpConfig).ToNot(BeNil())
Expect(dhcpConfig.StringContents()).To(Equal(expectedUbuntuDHCPConfig))
})
}
ItDoesNotRestartDhcp := func() {
It("does not restart dhclient", func() {
err := netManager.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
Expect(len(cmdRunner.RunCommands)).To(Equal(0))
})
}
Context("when dhclient3 is installed on the system", func() {
BeforeEach(func() { cmdRunner.CommandExistsValue = true })
Context("when dhcp was not previously configured", func() {
ItUpdatesDhcp3Config()
ItRestartsDhcp()
})
Context("when dhcp was previously configured with different configuration", func() {
BeforeEach(func() {
fs.WriteFileString("/etc/dhcp3/dhclient.conf", "fake-other-configuration")
})
ItUpdatesDhcp3Config()
ItRestartsDhcp()
})
Context("when dhcp was previously configured with the same configuration", func() {
BeforeEach(func() {
fs.WriteFileString("/etc/dhcp3/dhclient.conf", expectedUbuntuDHCPConfig)
})
ItUpdatesDhcp3Config()
ItDoesNotRestartDhcp()
})
})
Context("when dhclient3 is not installed on the system", func() {
BeforeEach(func() { cmdRunner.CommandExistsValue = false })
Context("when dhcp was not previously configured", func() {
ItUpdatesDhcpConfig()
ItRestartsDhcp()
})
Context("when dhcp was previously configured with different configuration", func() {
BeforeEach(func() {
fs.WriteFileString("/etc/dhcp/dhclient.conf", "fake-other-configuration")
})
ItUpdatesDhcpConfig()
ItRestartsDhcp()
})
Context("when dhcp was previously configured with the same configuration", func() {
BeforeEach(func() {
fs.WriteFileString("/etc/dhcp/dhclient.conf", expectedUbuntuDHCPConfig)
})
ItUpdatesDhcpConfig()
ItDoesNotRestartDhcp()
})
})
})
Describe("SetupManualNetworking", func() {
var errCh chan error
BeforeEach(func() {
errCh = make(chan error)
})
BeforeEach(func() {
// For mac addr to interface resolution
fs.WriteFile("/sys/class/net/eth0", []byte{})
fs.WriteFileString("/sys/class/net/eth0/address", "22:00:0a:1f:ac:2a\n")
fs.SetGlob("/sys/class/net/*", []string{"/sys/class/net/eth0"})
})
networks := boshsettings.Networks{
"bosh": boshsettings.Network{
Default: []string{"dns", "gateway"},
IP: "192.168.195.6",
Netmask: "255.255.255.0",
Gateway: "192.168.195.1",
Mac: "22:00:0a:1f:ac:2a",
DNS: []string{"10.80.130.2", "10.80.130.1"},
},
}
Context("when manual networking was not previously configured", func() {
It("writes /etc/network/interfaces", func() {
err := netManager.SetupManualNetworking(networks, nil)
Expect(err).ToNot(HaveOccurred())
networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
Expect(networkConfig).ToNot(BeNil())
Expect(networkConfig.StringContents()).To(Equal(expectedUbuntuNetworkInterfaces))
})
It("restarts networking", func() {
err := netManager.SetupManualNetworking(networks, errCh)
Expect(err).ToNot(HaveOccurred())
<-errCh // wait for all arpings
Expect(len(cmdRunner.RunCommands) >= 2).To(BeTrue())
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"service", "network-interface", "stop", "INTERFACE=eth0"}))
Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"service", "network-interface", "start", "INTERFACE=eth0"}))
})
It("updates dns", func() {
err := netManager.SetupManualNetworking(networks, nil)
Expect(err).ToNot(HaveOccurred())
resolvConf := fs.GetFileTestStat("/etc/resolv.conf")
Expect(resolvConf).ToNot(BeNil())
Expect(resolvConf.StringContents()).To(Equal(expectedUbuntuResolvConf))
})
It("starts sending arping", func() {
err := netManager.SetupManualNetworking(networks, errCh)
Expect(err).ToNot(HaveOccurred())
<-errCh // wait for all arpings
Expect(cmdRunner.RunCommands[2]).To(Equal([]string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}))
Expect(cmdRunner.RunCommands[7]).To(Equal([]string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}))
})
})
Context("when manual networking was previously configured with different configuration", func() {
BeforeEach(func() {
fs.WriteFileString("/etc/network/interfaces", "fake-manual-config")
})
It("updates /etc/network/interfaces", func() {
err := netManager.SetupManualNetworking(networks, nil)
Expect(err).ToNot(HaveOccurred())
networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
Expect(networkConfig).ToNot(BeNil())
Expect(networkConfig.StringContents()).To(Equal(expectedUbuntuNetworkInterfaces))
})
It("restarts networking", func() {
err := netManager.SetupManualNetworking(networks, errCh)
Expect(err).ToNot(HaveOccurred())
<-errCh // wait for all arpings
Expect(len(cmdRunner.RunCommands) >= 2).To(BeTrue())
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"service", "network-interface", "stop", "INTERFACE=eth0"}))
Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"service", "network-interface", "start", "INTERFACE=eth0"}))
})
It("updates dns", func() {
err := netManager.SetupManualNetworking(networks, nil)
Expect(err).ToNot(HaveOccurred())
resolvConf := fs.GetFileTestStat("/etc/resolv.conf")
Expect(resolvConf).ToNot(BeNil())
Expect(resolvConf.StringContents()).To(Equal(expectedUbuntuResolvConf))
})
It("starts sending 6 arp pings", func() {
err := netManager.SetupManualNetworking(networks, errCh)
Expect(err).ToNot(HaveOccurred())
<-errCh // wait for all arpings
Expect(cmdRunner.RunCommands[2]).To(Equal([]string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}))
Expect(cmdRunner.RunCommands[7]).To(Equal([]string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}))
})
})
Context("when manual networking was previously configured with same configuration", func() {
BeforeEach(func() {
fs.WriteFileString("/etc/network/interfaces", expectedUbuntuNetworkInterfaces)
})
It("keeps same /etc/network/interfaces", func() {
err := netManager.SetupManualNetworking(networks, nil)
Expect(err).ToNot(HaveOccurred())
networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
Expect(networkConfig).ToNot(BeNil())
Expect(networkConfig.StringContents()).To(Equal(expectedUbuntuNetworkInterfaces))
})
It("does not restart networking because configuration did not change", func() {
err := netManager.SetupManualNetworking(networks, errCh)
Expect(err).ToNot(HaveOccurred())
<-errCh // wait for all arpings
for _, cmd := range cmdRunner.RunCommands {
Expect(cmd[0]).ToNot(Equal("service"))
}
})
It("updates /etc/resolv.conf for DNS", func() {
err := netManager.SetupManualNetworking(networks, nil)
Expect(err).ToNot(HaveOccurred())
resolvConf := fs.GetFileTestStat("/etc/resolv.conf")
Expect(resolvConf).ToNot(BeNil())
Expect(resolvConf.StringContents()).To(Equal(expectedUbuntuResolvConf))
})
It("starts sending 6 arp ping", func() {
err := netManager.SetupManualNetworking(networks, errCh)
Expect(err).ToNot(HaveOccurred())
<-errCh // wait for all arpings
Expect(len(cmdRunner.RunCommands)).To(Equal(6))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}))
Expect(cmdRunner.RunCommands[5]).To(Equal([]string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}))
})
})
})
})
}
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 init() {
const expectedCentosDHCPConfig = `# 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 zz.zz.zz.zz;
prepend domain-name-servers yy.yy.yy.yy;
prepend domain-name-servers xx.xx.xx.xx;
`
const expectedCentosIfcfg = `DEVICE=eth0
BOOTPROTO=static
IPADDR=192.168.195.6
NETMASK=255.255.255.0
BROADCAST=192.168.195.255
GATEWAY=192.168.195.1
ONBOOT=yes`
Describe("centos", func() {
var (
collector *fakestats.FakeStatsCollector
fs *fakesys.FakeFileSystem
cmdRunner *fakesys.FakeCmdRunner
diskManager *fakedisk.FakeDiskManager
dirProvider boshdirs.DirectoriesProvider
platform Platform
cdutil *fakecd.FakeCdUtil
compressor boshcmd.Compressor
copier boshcmd.Copier
vitalsService boshvitals.Service
logger boshlog.Logger
)
BeforeEach(func() {
collector = &fakestats.FakeStatsCollector{}
fs = fakesys.NewFakeFileSystem()
cmdRunner = fakesys.NewFakeCmdRunner()
diskManager = fakedisk.NewFakeDiskManager()
dirProvider = boshdirs.NewDirectoriesProvider("/fake-dir")
cdutil = fakecd.NewFakeCdUtil()
compressor = boshcmd.NewTarballCompressor(cmdRunner, fs)
copier = boshcmd.NewCpCopier(cmdRunner, fs)
vitalsService = boshvitals.NewService(collector, dirProvider)
logger = boshlog.NewLogger(boshlog.LevelNone)
})
JustBeforeEach(func() {
netManager := boshnet.NewCentosNetManager(fs, cmdRunner, 1*time.Millisecond)
platform = NewLinuxPlatform(
fs,
cmdRunner,
collector,
compressor,
copier,
dirProvider,
vitalsService,
cdutil,
diskManager,
netManager,
1*time.Millisecond,
logger,
)
})
Describe("SetupDhcp", func() {
networks := boshsettings.Networks{
"bosh": boshsettings.Network{
Default: []string{"dns"},
DNS: []string{"xx.xx.xx.xx", "yy.yy.yy.yy", "zz.zz.zz.zz"},
},
"vip": boshsettings.Network{
Default: []string{},
DNS: []string{"aa.aa.aa.aa"},
},
}
Context("when dhcp was not previously configured", func() {
It("writes dhcp configuration", func() {
err := platform.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
dhcpConfig := fs.GetFileTestStat("/etc/dhcp/dhclient.conf")
Expect(dhcpConfig).ToNot(BeNil())
Expect(dhcpConfig.StringContents()).To(Equal(expectedCentosDHCPConfig))
})
It("restarts network", func() {
err := platform.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
Expect(len(cmdRunner.RunCommands)).To(Equal(1))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"service", "network", "restart"}))
})
})
Context("when dhcp was previously configured with different configuration", func() {
BeforeEach(func() {
fs.WriteFileString("/etc/dhcp/dhclient.conf", "fake-other-configuration")
})
It("updates dhcp configuration", func() {
err := platform.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
dhcpConfig := fs.GetFileTestStat("/etc/dhcp/dhclient.conf")
Expect(dhcpConfig).ToNot(BeNil())
Expect(dhcpConfig.StringContents()).To(Equal(expectedCentosDHCPConfig))
})
It("restarts network", func() {
err := platform.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
Expect(len(cmdRunner.RunCommands)).To(Equal(1))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"service", "network", "restart"}))
})
})
Context("when dhcp was previously configured with same configuration", func() {
BeforeEach(func() {
fs.WriteFileString("/etc/dhcp/dhclient.conf", expectedCentosDHCPConfig)
})
It("keeps dhcp configuration", func() {
err := platform.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
dhcpConfig := fs.GetFileTestStat("/etc/dhcp/dhclient.conf")
Expect(dhcpConfig).ToNot(BeNil())
Expect(dhcpConfig.StringContents()).To(Equal(expectedCentosDHCPConfig))
})
It("does not restart network", func() {
err := platform.SetupDhcp(networks)
Expect(err).ToNot(HaveOccurred())
Expect(len(cmdRunner.RunCommands)).To(Equal(0))
})
})
})
Describe("SetupManualNetworking", func() {
networks := boshsettings.Networks{
"bosh": boshsettings.Network{
Default: []string{"dns", "gateway"},
IP: "192.168.195.6",
Netmask: "255.255.255.0",
Gateway: "192.168.195.1",
Mac: "22:00:0a:1f:ac:2a",
DNS: []string{"10.80.130.2", "10.80.130.1"},
},
}
BeforeEach(func() {
fs.WriteFile("/sys/class/net/eth0", []byte{})
fs.WriteFileString("/sys/class/net/eth0/address", "22:00:0a:1f:ac:2a\n")
fs.SetGlob("/sys/class/net/*", []string{"/sys/class/net/eth0"})
})
It("sets up centos expected ifconfig", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
networkConfig := fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-eth0")
Expect(networkConfig).ToNot(BeNil())
Expect(networkConfig.StringContents()).To(Equal(expectedCentosIfcfg))
})
It("sets up centos /etc/resolv.conf", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
resolvConf := fs.GetFileTestStat("/etc/resolv.conf")
Expect(resolvConf).ToNot(BeNil())
Expect(resolvConf.StringContents()).To(Equal(expectedCentosResolvConf))
})
It("restarts networking", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-eth0")
fs.GetFileTestStat("/etc/resolv.conf")
time.Sleep(100 * time.Millisecond)
Expect(len(cmdRunner.RunCommands)).To(Equal(7))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"service", "network", "restart"}))
})
It("runs arping commands", func() {
err := platform.SetupManualNetworking(networks)
Expect(err).ToNot(HaveOccurred())
fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-eth0")
fs.GetFileTestStat("/etc/resolv.conf")
time.Sleep(100 * time.Millisecond)
Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}))
Expect(cmdRunner.RunCommands[6]).To(Equal([]string{"arping", "-c", "1", "-U", "-I", "eth0", "192.168.195.6"}))
})
})
})
}
func init() {
Describe("prepareNetworkChange", func() {
var (
action PrepareNetworkChangeAction
fs *fakesys.FakeFileSystem
settingsService *fakesettings.FakeSettingsService
)
BeforeEach(func() {
fs = fakesys.NewFakeFileSystem()
settingsService = &fakesettings.FakeSettingsService{}
action = NewPrepareNetworkChange(fs, settingsService)
})
It("is synchronous", func() {
Expect(action.IsAsynchronous()).To(BeFalse())
})
It("is not persistent", func() {
Expect(action.IsPersistent()).To(BeFalse())
})
It("invalidates settings so that load settings cannot fall back on old settings", func() {
resp, err := action.Run()
Expect(err).NotTo(HaveOccurred())
Expect(resp).To(Equal("ok"))
Expect(settingsService.SettingsWereInvalidated).To(BeTrue())
})
Context("when settings invalidation succeeds", func() {
Context("when the network rules file can be removed", func() {
It("removes the network rules file", func() {
fs.WriteFile("/etc/udev/rules.d/70-persistent-net.rules", []byte{})
resp, err := action.Run()
Expect(err).NotTo(HaveOccurred())
Expect(resp).To(Equal("ok"))
Expect(fs.FileExists("/etc/udev/rules.d/70-persistent-net.rules")).To(BeFalse())
})
})
Context("when the network rules file cannot be removed", func() {
BeforeEach(func() {
fs.RemoveAllError = errors.New("fake-remove-all-error")
})
It("returns error from removing the network rules file", func() {
resp, err := action.Run()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-remove-all-error"))
Expect(resp).To(BeNil())
})
})
})
Context("when settings invalidation fails", func() {
BeforeEach(func() {
settingsService.InvalidateSettingsError = errors.New("fake-invalidate-error")
})
It("returns error early if settings err invalidating", func() {
resp, err := action.Run()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-invalidate-error"))
Expect(resp).To(BeNil())
})
It("does not remove the network rules file", func() {
fs.WriteFile("/etc/udev/rules.d/70-persistent-net.rules", []byte{})
action.Run()
Expect(fs.FileExists("/etc/udev/rules.d/70-persistent-net.rules")).To(BeTrue())
})
})
})
}
})
It("get monit credentials leaves colons in password intact", func() {
fs.WriteFileString("/fake-dir/monit/monit.user", "fake-user:fake:random:password")
username, password, err := platform.GetMonitCredentials()
Expect(err).NotTo(HaveOccurred())
Expect(username).To(Equal("fake-user"))
Expect(password).To(Equal("fake:random:password"))
})
})
Describe("PrepareForNetworkingChange", func() {
It("removes the network persistent rules file", func() {
fs.WriteFile("/etc/udev/rules.d/70-persistent-net.rules", []byte{})
err := platform.PrepareForNetworkingChange()
Expect(err).NotTo(HaveOccurred())
Expect(fs.FileExists("/etc/udev/rules.d/70-persistent-net.rules")).To(BeFalse())
})
It("returns error if removing persistent rules file fails", func() {
fs.RemoveAllError = errors.New("fake-remove-all-error")
err := platform.PrepareForNetworkingChange()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-remove-all-error"))
})
})
Expect(len(cmdRunner.RunCommands)).To(Equal(0))
ntpConfig := fs.GetFileTestStat("/fake-dir/bosh/etc/ntpserver")
Expect(ntpConfig).To(BeNil())
})
})
Describe("SetupEphemeralDiskWithPath", func() {
It("sets up ephemeral disk with path", func() {
fakeFormatter := diskManager.FakeFormatter
fakePartitioner := diskManager.FakePartitioner
fakeMounter := diskManager.FakeMounter
fakePartitioner.GetDeviceSizeInMbSizes = map[string]uint64{"/dev/xvda": uint64(1024 * 1024 * 1024)}
fs.WriteFile("/dev/xvda", []byte{})
err := platform.SetupEphemeralDiskWithPath("/dev/xvda")
Expect(err).NotTo(HaveOccurred())
dataDir := fs.GetFileTestStat("/fake-dir/data")
Expect(dataDir.FileType).To(Equal(fakesys.FakeFileTypeDir))
Expect(dataDir.FileMode).To(Equal(os.FileMode(0750)))
Expect(fakePartitioner.PartitionDevicePath).To(Equal("/dev/xvda"))
Expect(len(fakePartitioner.PartitionPartitions)).To(Equal(2))
swapPartition := fakePartitioner.PartitionPartitions[0]
ext4Partition := fakePartitioner.PartitionPartitions[1]
Expect(swapPartition.Type).To(Equal(boshdisk.PartitionTypeSwap))
runner = NewFileLoggingCmdRunner(fs, cmdRunner, "/fake-base-dir", 15)
cmd = boshsys.Command{
Name: "fake-cmd",
Args: []string{"fake-args"},
Env: map[string]string{"fake-env-key": "fake-env-var"},
WorkingDir: "/fake-working-dir",
}
})
Describe("RunCommand", func() {
It("cleans logs directory", func() {
err := fs.MkdirAll("/fake-base-dir/fake-log-dir-name/", os.FileMode(0750))
Expect(err).ToNot(HaveOccurred())
err = fs.WriteFile("/fake-base-dir/fake-log-dir-name/old-file", []byte("test-data"))
Expect(err).ToNot(HaveOccurred())
_, err = runner.RunCommand("fake-log-dir-name", "fake-log-file-name", cmd)
Expect(err).ToNot(HaveOccurred())
Expect(fs.FileExists("/fake-base-dir/fake-log-dir-name/old-file")).To(BeFalse())
})
It("returns an error if it fails to remove previous logs directory", func() {
fs.RemoveAllError = errors.New("fake-remove-all-error")
_, err := runner.RunCommand("fake-log-dir-name", "fake-log-file-name", cmd)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-remove-all-error"))
})
func init() {
Describe("concreteServiceProvider", func() {
var (
platform *fakeplatform.FakePlatform
)
Describe("NewService", func() {
It("returns service with settings.json as its settings path", func() {
// Cannot compare fetcher functions since function comparison is problematic
fs := fakesys.NewFakeFileSystem()
logger := boshlog.NewLogger(boshlog.LevelNone)
service := NewServiceProvider().NewService(fs, "/setting/path", nil, platform, logger)
Expect(service).To(Equal(NewService(fs, "/setting/path/settings.json", nil, platform, logger)))
})
})
})
Describe("concreteService", func() {
var (
fs *fakesys.FakeFileSystem
platform *fakeplatform.FakePlatform
)
BeforeEach(func() {
fs = fakesys.NewFakeFileSystem()
platform = fakeplatform.NewFakePlatform()
})
buildService := func(fetcher SettingsFetcher) (Service, *fakesys.FakeFileSystem) {
logger := boshlog.NewLogger(boshlog.LevelNone)
service := NewService(fs, "/setting/path", fetcher, platform, logger)
return service, fs
}
Describe("LoadSettings", func() {
var (
fetchedSettings Settings
fetcherFuncErr error
service Service
)
BeforeEach(func() {
fetchedSettings = Settings{}
fetcherFuncErr = nil
})
JustBeforeEach(func() {
fetcherFunc := func() (Settings, error) { return fetchedSettings, fetcherFuncErr }
service, fs = buildService(fetcherFunc)
})
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")
Expect(err).NotTo(HaveOccurred())
Expect(fileContent).To(Equal(json))
})
It("returns any error from writing to the setting file", func() {
fs.WriteToFileError = 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 contain multiple dynamic networks", func() {
BeforeEach(func() {
fetchedSettings.Networks = Networks{
"fake-net-1": Network{Type: NetworkTypeDynamic},
"fake-net-2": Network{Type: NetworkTypeDynamic},
}
})
It("returns error because multiple dynamic networks are not supported", func() {
err := service.LoadSettings()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("Multiple dynamic networks are not supported"))
})
})
})
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", []byte(`{
"agent_id":"some-agent-id",
"networks": {"fake-net-1": {"type": "dynamic"}}
}`))
})
It("returns settings from the settings file", 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},
},
}))
})
})
Context("when settings contain multiple dynamic networks", func() {
BeforeEach(func() {
fs.WriteFile("/setting/path", []byte(`{
"agent_id":"some-agent-id",
"networks": {
"fake-net-1": {"type": "dynamic"},
"fake-net-2": {"type": "dynamic"}
}
}`))
})
It("returns error because multiple dynamic networks are not supported", func() {
err := service.LoadSettings()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("Multiple dynamic networks are not supported"))
})
})
})
Context("when non-unmarshallable settings file exists", func() {
It("returns any error from the fetcher", func() {
fs.WriteFile("/setting/path", []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() {
service, fs := buildService(nil)
fs.WriteFile("/setting/path", []byte(`{}`))
err := service.InvalidateSettings()
Expect(err).ToNot(HaveOccurred())
Expect(fs.FileExists("/setting/path")).To(BeFalse())
})
It("returns err if removing settings file errored", func() {
service, fs := buildService(nil)
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() {
service, _ = buildService(func() (Settings, error) { return loadedSettings, nil })
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(platform.GetDefaultNetworkCalled).To(BeFalse())
})
})
Context("when there is one dynamic network", func() {
BeforeEach(func() {
loadedSettings = Settings{
Networks: map[string]Network{
"fake-net1": Network{
IP: "fake-net1-ip",
Netmask: "fake-net1-netmask",
Gateway: "fake-net1-gateway",
},
"fake-net2": Network{
Type: "dynamic",
IP: "fake-net2-ip",
Netmask: "fake-net2-netmask",
Gateway: "fake-net2-gateway",
DNS: []string{"fake-net2-dns"},
},
},
}
})
Context("when default network can be retrieved", func() {
BeforeEach(func() {
platform.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",
Gateway: "fake-net1-gateway",
},
"fake-net2": Network{
Type: "dynamic",
IP: "fake-resolved-ip",
Netmask: "fake-resolved-netmask",
Gateway: "fake-resolved-gateway",
DNS: []string{"fake-net2-dns"},
},
},
}))
})
})
Context("when default network fails to be retrieved", func() {
BeforeEach(func() {
platform.GetDefaultNetworkErr = errors.New("fake-get-default-network-err")
})
It("returns error", func() {
settings := service.GetSettings()
Expect(settings).To(Equal(loadedSettings))
})
})
})
})
})
}
Context("when infrastructure settings file is found", func() {
BeforeEach(func() {
settingsPath := filepath.Join(dirProvider.BoshDir(), "dummy-cpi-agent-env.json")
expectedSettings := boshsettings.Settings{
AgentID: "123-456-789",
Blobstore: boshsettings.Blobstore{
Type: boshsettings.BlobstoreTypeDummy,
},
Mbus: "nats://127.0.0.1:4222",
}
existingSettingsBytes, err := json.Marshal(expectedSettings)
Expect(err).ToNot(HaveOccurred())
fs.WriteFile(settingsPath, existingSettingsBytes)
})
It("returns settings", func() {
settings, err := inf.GetSettings()
Expect(err).ToNot(HaveOccurred())
assert.Equal(GinkgoT(), settings, boshsettings.Settings{
AgentID: "123-456-789",
Blobstore: boshsettings.Blobstore{Type: boshsettings.BlobstoreTypeDummy},
Mbus: "nats://127.0.0.1:4222",
})
})
})
Context("when infrastructure settings file is not found", func() {
It("returns error", func() {
expectedNetwork := boshsettings.Network{
Default: []string{"fake-default"},
DNS: []string{"fake-dns-name"},
IP: "fake-ip-address",
Netmask: "fake-netmask",
Gateway: "fake-gateway",
Mac: "fake-mac-address",
}
BeforeEach(func() {
settingsPath := filepath.Join(dirProvider.BoshDir(), "dummy-default-network-settings.json")
expectedNetworkBytes, err := json.Marshal(expectedNetwork)
Expect(err).ToNot(HaveOccurred())
fs.WriteFile(settingsPath, expectedNetworkBytes)
})
It("returns network", func() {
network, err := platform.GetDefaultNetwork()
Expect(err).ToNot(HaveOccurred())
Expect(network).To(Equal(expectedNetwork))
})
})
Context("when default networks settings file is not found", func() {
It("does not return error because dummy configuration allows no dynamic IP", func() {
_, err := platform.GetDefaultNetwork()
Expect(err).ToNot(HaveOccurred())
})
})
Expect(err).To(HaveOccurred())
Expect(len(runner.RunComplexCommands)).To(Equal(1))
Expect(runner.RunComplexCommands[0].Env).ToNot(HaveKey("BOSH_JOB_NEXT_STATE"))
})
It("returns error when cannot get the job next state and does not run drain script", func() {
params.jobNextStateErr = errors.New("fake-job-next-state-err")
_, err := drainScript.Run(params)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-job-next-state-err"))
Expect(len(runner.RunComplexCommands)).To(Equal(0))
})
})
})
Describe("Exists", func() {
It("returns bool", func() {
commandResult := fakesys.FakeCmdResult{Stdout: "1"}
runner.AddCmdResult("/fake/script job_shutdown hash_unchanged foo bar", commandResult)
Expect(drainScript.Exists()).To(BeFalse())
fs.WriteFile("/fake/script", []byte{})
Expect(drainScript.Exists()).To(BeTrue())
})
})
})