func describeLinuxPlatform() {
var (
collector *fakestats.FakeCollector
fs *fakesys.FakeFileSystem
cmdRunner *fakesys.FakeCmdRunner
diskManager *fakedisk.FakeDiskManager
dirProvider boshdirs.Provider
devicePathResolver *fakedpresolv.FakeDevicePathResolver
platform Platform
cdutil *fakedevutil.FakeDeviceUtil
compressor boshcmd.Compressor
copier boshcmd.Copier
vitalsService boshvitals.Service
netManager *fakenet.FakeManager
certManager *fakecert.FakeManager
monitRetryStrategy *fakeretry.FakeRetryStrategy
fakeDefaultNetworkResolver *fakenet.FakeDefaultNetworkResolver
options LinuxOptions
logger boshlog.Logger
)
BeforeEach(func() {
logger = boshlog.NewLogger(boshlog.LevelNone)
collector = &fakestats.FakeCollector{}
fs = fakesys.NewFakeFileSystem()
cmdRunner = fakesys.NewFakeCmdRunner()
diskManager = fakedisk.NewFakeDiskManager()
dirProvider = boshdirs.NewProvider("/fake-dir")
cdutil = fakedevutil.NewFakeDeviceUtil()
compressor = boshcmd.NewTarballCompressor(cmdRunner, fs)
copier = boshcmd.NewCpCopier(cmdRunner, fs, logger)
vitalsService = boshvitals.NewService(collector, dirProvider)
netManager = &fakenet.FakeManager{}
certManager = new(fakecert.FakeManager)
monitRetryStrategy = fakeretry.NewFakeRetryStrategy()
devicePathResolver = fakedpresolv.NewFakeDevicePathResolver()
fakeDefaultNetworkResolver = &fakenet.FakeDefaultNetworkResolver{}
options = LinuxOptions{}
fs.SetGlob("/sys/bus/scsi/devices/*:0:0:0/block/*", []string{
"/sys/bus/scsi/devices/0:0:0:0/block/sr0",
"/sys/bus/scsi/devices/6:0:0:0/block/sdd",
"/sys/bus/scsi/devices/fake-host-id:0:0:0/block/sda",
})
fs.SetGlob("/sys/bus/scsi/devices/fake-host-id:0:fake-disk-id:0/block/*", []string{
"/sys/bus/scsi/devices/fake-host-id:0:fake-disk-id:0/block/sdf",
})
})
JustBeforeEach(func() {
platform = NewLinuxPlatform(
fs,
cmdRunner,
collector,
compressor,
copier,
dirProvider,
vitalsService,
cdutil,
diskManager,
netManager,
certManager,
monitRetryStrategy,
devicePathResolver,
5*time.Millisecond,
options,
logger,
fakeDefaultNetworkResolver,
)
})
Describe("SetupRuntimeConfiguration", func() {
It("setups runtime configuration", func() {
err := platform.SetupRuntimeConfiguration()
Expect(err).NotTo(HaveOccurred())
Expect(len(cmdRunner.RunCommands)).To(Equal(1))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"bosh-agent-rc"}))
})
})
Describe("CreateUser", func() {
It("creates user", func() {
expectedUseradd := []string{
"useradd",
"-m",
"-b", "/some/path/to/home",
"-s", "/bin/bash",
"-p", "bar-pwd",
"foo-user",
}
err := platform.CreateUser("foo-user", "bar-pwd", "/some/path/to/home")
Expect(err).NotTo(HaveOccurred())
basePathStat := fs.GetFileTestStat("/some/path/to/home")
Expect(basePathStat.FileType).To(Equal(fakesys.FakeFileTypeDir))
Expect(basePathStat.FileMode).To(Equal(os.FileMode(0755)))
Expect(cmdRunner.RunCommands).To(Equal([][]string{expectedUseradd}))
})
It("creates user with an empty password", func() {
expectedUseradd := []string{
"useradd",
"-m",
"-b", "/some/path/to/home",
"-s", "/bin/bash",
"foo-user",
}
err := platform.CreateUser("foo-user", "", "/some/path/to/home")
Expect(err).NotTo(HaveOccurred())
basePathStat := fs.GetFileTestStat("/some/path/to/home")
Expect(basePathStat.FileType).To(Equal(fakesys.FakeFileTypeDir))
Expect(basePathStat.FileMode).To(Equal(os.FileMode(0755)))
Expect(cmdRunner.RunCommands).To(Equal([][]string{expectedUseradd}))
})
})
Describe("AddUserToGroups", func() {
It("adds user to groups", func() {
err := platform.AddUserToGroups("foo-user", []string{"group1", "group2", "group3"})
Expect(err).NotTo(HaveOccurred())
Expect(len(cmdRunner.RunCommands)).To(Equal(1))
usermod := []string{"usermod", "-G", "group1,group2,group3", "foo-user"}
Expect(cmdRunner.RunCommands[0]).To(Equal(usermod))
})
})
Describe("DeleteEphemeralUsersMatching", func() {
It("deletes users with prefix and regex", func() {
passwdFile := `bosh_foo:...
bosh_bar:...
foo:...
bar:...
foobar:...
bosh_foobar:...`
fs.WriteFileString("/etc/passwd", passwdFile)
err := platform.DeleteEphemeralUsersMatching("bar$")
Expect(err).NotTo(HaveOccurred())
Expect(len(cmdRunner.RunCommands)).To(Equal(2))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"userdel", "-r", "bosh_bar"}))
Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"userdel", "-r", "bosh_foobar"}))
})
})
Describe("SetupSSH", func() {
It("setup ssh", func() {
fs.HomeDirHomePath = "/some/home/dir"
platform.SetupSSH("some public key", "vcap")
sshDirPath := "/some/home/dir/.ssh"
sshDirStat := fs.GetFileTestStat(sshDirPath)
Expect("vcap").To(Equal(fs.HomeDirUsername))
Expect(sshDirStat).NotTo(BeNil())
Expect(sshDirStat.FileType).To(Equal(fakesys.FakeFileTypeDir))
Expect(os.FileMode(0700)).To(Equal(sshDirStat.FileMode))
Expect("vcap").To(Equal(sshDirStat.Username))
authKeysStat := fs.GetFileTestStat(filepath.Join(sshDirPath, "authorized_keys"))
Expect(authKeysStat).NotTo(BeNil())
Expect(fakesys.FakeFileTypeFile).To(Equal(authKeysStat.FileType))
Expect(os.FileMode(0600)).To(Equal(authKeysStat.FileMode))
Expect("vcap").To(Equal(authKeysStat.Username))
Expect("some public key").To(Equal(authKeysStat.StringContents()))
})
})
Describe("SetUserPassword", func() {
It("set user password", func() {
platform.SetUserPassword("my-user", "my-encrypted-password")
Expect(len(cmdRunner.RunCommands)).To(Equal(1))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"usermod", "-p", "my-encrypted-password", "my-user"}))
})
})
Describe("SetupHostname", func() {
const expectedEtcHosts = `127.0.0.1 localhost foobar.local
# The following lines are desirable for IPv6 capable hosts
::1 localhost ip6-localhost ip6-loopback foobar.local
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
`
It("sets up hostname", func() {
platform.SetupHostname("foobar.local")
Expect(len(cmdRunner.RunCommands)).To(Equal(1))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"hostname", "foobar.local"}))
hostnameFileContent, err := fs.ReadFileString("/etc/hostname")
Expect(err).NotTo(HaveOccurred())
Expect(hostnameFileContent).To(Equal("foobar.local"))
hostsFileContent, err := fs.ReadFileString("/etc/hosts")
Expect(err).NotTo(HaveOccurred())
Expect(hostsFileContent).To(Equal(expectedEtcHosts))
})
})
Describe("SetupLogrotate", func() {
const expectedEtcLogrotate = `# Generated by bosh-agent
fake-base-path/data/sys/log/*.log fake-base-path/data/sys/log/*/*.log fake-base-path/data/sys/log/*/*/*.log {
missingok
rotate 7
compress
delaycompress
copytruncate
size=fake-size
}
`
It("sets up logrotate", func() {
platform.SetupLogrotate("fake-group-name", "fake-base-path", "fake-size")
logrotateFileContent, err := fs.ReadFileString("/etc/logrotate.d/fake-group-name")
Expect(err).NotTo(HaveOccurred())
Expect(logrotateFileContent).To(Equal(expectedEtcLogrotate))
})
})
Describe("SetTimeWithNtpServers", func() {
It("sets time with ntp servers", func() {
platform.SetTimeWithNtpServers([]string{"0.north-america.pool.ntp.org", "1.north-america.pool.ntp.org"})
ntpConfig := fs.GetFileTestStat("/fake-dir/bosh/etc/ntpserver")
Expect(ntpConfig.StringContents()).To(Equal("0.north-america.pool.ntp.org 1.north-america.pool.ntp.org"))
Expect(ntpConfig.FileType).To(Equal(fakesys.FakeFileTypeFile))
Expect(len(cmdRunner.RunCommands)).To(Equal(1))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"ntpdate"}))
})
It("sets time with ntp servers is noop when no ntp server provided", func() {
platform.SetTimeWithNtpServers([]string{})
Expect(len(cmdRunner.RunCommands)).To(Equal(0))
ntpConfig := fs.GetFileTestStat("/fake-dir/bosh/etc/ntpserver")
Expect(ntpConfig).To(BeNil())
})
})
Describe("SetupEphemeralDiskWithPath", func() {
var (
partitioner *fakedisk.FakePartitioner
formatter *fakedisk.FakeFormatter
mounter *fakedisk.FakeMounter
)
BeforeEach(func() {
partitioner = diskManager.FakePartitioner
formatter = diskManager.FakeFormatter
mounter = diskManager.FakeMounter
})
itSetsUpEphemeralDisk := func(act func() error) {
It("sets up ephemeral disk with path", func() {
err := act()
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)))
})
It("creates new partition even if the data directory is not empty", func() {
fs.SetGlob(path.Join("/fake-dir", "data", "*"), []string{"something"})
err := act()
Expect(err).ToNot(HaveOccurred())
Expect(partitioner.PartitionCalled).To(BeTrue())
Expect(formatter.FormatCalled).To(BeTrue())
Expect(mounter.MountCalled).To(BeTrue())
})
}
Context("when ephemeral disk path is provided", func() {
act := func() error { return platform.SetupEphemeralDiskWithPath("/dev/xvda") }
itSetsUpEphemeralDisk(act)
It("returns error if creating data dir fails", func() {
fs.MkdirAllError = errors.New("fake-mkdir-all-err")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-mkdir-all-err"))
Expect(partitioner.PartitionCalled).To(BeFalse())
Expect(formatter.FormatCalled).To(BeFalse())
Expect(mounter.MountCalled).To(BeFalse())
})
It("returns err when the data directory cannot be globbed", func() {
fs.GlobErr = errors.New("fake-glob-err")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("Globbing ephemeral disk mount point `/fake-dir/data/*'"))
Expect(err.Error()).To(ContainSubstring("fake-glob-err"))
Expect(partitioner.PartitionCalled).To(BeFalse())
Expect(formatter.FormatCalled).To(BeFalse())
Expect(mounter.MountCalled).To(BeFalse())
})
It("returns err when mem stats are unavailable", func() {
collector.MemStatsErr = errors.New("fake-memstats-error")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("Calculating partition sizes"))
Expect(err.Error()).To(ContainSubstring("fake-memstats-error"))
Expect(partitioner.PartitionCalled).To(BeFalse())
Expect(formatter.FormatCalled).To(BeFalse())
Expect(mounter.MountCalled).To(BeFalse())
})
It("returns an error when partitioning fails", func() {
partitioner.PartitionErr = errors.New("fake-partition-error")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("Partitioning ephemeral disk `/dev/xvda'"))
Expect(err.Error()).To(ContainSubstring("fake-partition-error"))
Expect(formatter.FormatCalled).To(BeFalse())
Expect(mounter.MountCalled).To(BeFalse())
})
It("formats swap and data partitions", func() {
err := act()
Expect(err).NotTo(HaveOccurred())
Expect(len(formatter.FormatPartitionPaths)).To(Equal(2))
Expect(formatter.FormatPartitionPaths[0]).To(Equal("/dev/xvda1"))
Expect(formatter.FormatPartitionPaths[1]).To(Equal("/dev/xvda2"))
Expect(len(formatter.FormatFsTypes)).To(Equal(2))
Expect(formatter.FormatFsTypes[0]).To(Equal(boshdisk.FileSystemSwap))
Expect(formatter.FormatFsTypes[1]).To(Equal(boshdisk.FileSystemExt4))
})
It("mounts swap and data partitions", func() {
err := act()
Expect(err).NotTo(HaveOccurred())
Expect(len(mounter.MountMountPoints)).To(Equal(1))
Expect(mounter.MountMountPoints[0]).To(Equal("/fake-dir/data"))
Expect(len(mounter.MountPartitionPaths)).To(Equal(1))
Expect(mounter.MountPartitionPaths[0]).To(Equal("/dev/xvda2"))
Expect(len(mounter.SwapOnPartitionPaths)).To(Equal(1))
Expect(mounter.SwapOnPartitionPaths[0]).To(Equal("/dev/xvda1"))
})
It("creates swap the size of the memory and the rest for data when disk is bigger than twice the memory", func() {
memSizeInBytes := uint64(1024 * 1024 * 1024)
diskSizeInBytes := 2*memSizeInBytes + 64
fakePartitioner := partitioner
fakePartitioner.GetDeviceSizeInBytesSizes["/dev/xvda"] = diskSizeInBytes
collector.MemStats.Total = memSizeInBytes
err := act()
Expect(err).NotTo(HaveOccurred())
Expect(fakePartitioner.PartitionPartitions).To(Equal([]boshdisk.Partition{
{SizeInBytes: memSizeInBytes, Type: boshdisk.PartitionTypeSwap},
{SizeInBytes: diskSizeInBytes - memSizeInBytes, Type: boshdisk.PartitionTypeLinux},
}))
})
It("creates equal swap and data partitions when disk is twice the memory or smaller", func() {
memSizeInBytes := uint64(1024 * 1024 * 1024)
diskSizeInBytes := 2*memSizeInBytes - 64
fakePartitioner := partitioner
fakePartitioner.GetDeviceSizeInBytesSizes["/dev/xvda"] = diskSizeInBytes
collector.MemStats.Total = memSizeInBytes
err := act()
Expect(err).NotTo(HaveOccurred())
Expect(fakePartitioner.PartitionPartitions).To(Equal([]boshdisk.Partition{
{SizeInBytes: diskSizeInBytes / 2, Type: boshdisk.PartitionTypeSwap},
{SizeInBytes: diskSizeInBytes / 2, Type: boshdisk.PartitionTypeLinux},
}))
})
})
Context("when ephemeral disk path is not provided", func() {
act := func() error { return platform.SetupEphemeralDiskWithPath("") }
Context("when agent should partition ephemeral disk on root disk", func() {
BeforeEach(func() {
partitioner = diskManager.FakeRootDevicePartitioner
options.CreatePartitionIfNoEphemeralDisk = true
})
Context("when root device fails to be determined", func() {
BeforeEach(func() {
diskManager.FakeMountsSearcher.SearchMountsErr = errors.New("fake-mounts-searcher-error")
})
It("returns an error", func() {
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("Finding root partition device"))
Expect(partitioner.PartitionCalled).To(BeFalse())
Expect(formatter.FormatCalled).To(BeFalse())
Expect(mounter.MountCalled).To(BeFalse())
})
})
Context("when root partition is not the first partition", func() {
BeforeEach(func() {
diskManager.FakeMountsSearcher.SearchMountsMounts = []boshdisk.Mount{
{MountPoint: "/", PartitionPath: "/dev/vda2"},
}
})
It("returns an error", func() {
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("Root partition is not the first partition"))
Expect(partitioner.PartitionCalled).To(BeFalse())
Expect(formatter.FormatCalled).To(BeFalse())
Expect(mounter.MountCalled).To(BeFalse())
})
})
Context("when root device is determined", func() {
BeforeEach(func() {
diskManager.FakeMountsSearcher.SearchMountsMounts = []boshdisk.Mount{
{MountPoint: "/", PartitionPath: "rootfs"},
{MountPoint: "/", PartitionPath: "/dev/vda1"},
}
})
Context("when getting absolute path fails", func() {
BeforeEach(func() {
cmdRunner.AddCmdResult(
"readlink -f /dev/vda1",
fakesys.FakeCmdResult{Error: errors.New("fake-readlink-error")},
)
})
It("returns an error", func() {
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-readlink-error"))
Expect(partitioner.PartitionCalled).To(BeFalse())
Expect(formatter.FormatCalled).To(BeFalse())
Expect(mounter.MountCalled).To(BeFalse())
})
})
Context("when getting absolute path suceeds", func() {
BeforeEach(func() {
cmdRunner.AddCmdResult(
"readlink -f /dev/vda1",
fakesys.FakeCmdResult{Stdout: "/dev/vda1"},
)
})
Context("when root device has insufficient space for ephemeral partitions", func() {
BeforeEach(func() {
partitioner.GetDeviceSizeInBytesSizes["/dev/vda"] = 1024*1024*1024 - 1
collector.MemStats.Total = 8
})
It("returns an error", func() {
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("Insufficient remaining disk"))
Expect(partitioner.PartitionCalled).To(BeFalse())
Expect(formatter.FormatCalled).To(BeFalse())
Expect(mounter.MountCalled).To(BeFalse())
})
})
Context("when root device has sufficient space for ephemeral partitions", func() {
BeforeEach(func() {
partitioner.GetDeviceSizeInBytesSizes["/dev/vda"] = 1024 * 1024 * 1024
collector.MemStats.Total = 256 * 1024 * 1024
})
itSetsUpEphemeralDisk(act)
It("returns err when mem stats are unavailable", func() {
collector.MemStatsErr = errors.New("fake-memstats-error")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("Calculating partition sizes"))
Expect(err.Error()).To(ContainSubstring("fake-memstats-error"))
Expect(partitioner.PartitionCalled).To(BeFalse())
Expect(formatter.FormatCalled).To(BeFalse())
Expect(mounter.MountCalled).To(BeFalse())
})
It("returns an error when partitioning fails", func() {
partitioner.PartitionErr = errors.New("fake-partition-error")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("Partitioning root device `/dev/vda'"))
Expect(err.Error()).To(ContainSubstring("fake-partition-error"))
Expect(formatter.FormatCalled).To(BeFalse())
Expect(mounter.MountCalled).To(BeFalse())
})
It("formats swap and data partitions", func() {
err := act()
Expect(err).NotTo(HaveOccurred())
Expect(len(formatter.FormatPartitionPaths)).To(Equal(2))
Expect(formatter.FormatPartitionPaths[0]).To(Equal("/dev/vda2"))
Expect(formatter.FormatPartitionPaths[1]).To(Equal("/dev/vda3"))
Expect(len(formatter.FormatFsTypes)).To(Equal(2))
Expect(formatter.FormatFsTypes[0]).To(Equal(boshdisk.FileSystemSwap))
Expect(formatter.FormatFsTypes[1]).To(Equal(boshdisk.FileSystemExt4))
})
It("mounts swap and data partitions", func() {
err := act()
Expect(err).NotTo(HaveOccurred())
Expect(len(mounter.MountMountPoints)).To(Equal(1))
Expect(mounter.MountMountPoints[0]).To(Equal("/fake-dir/data"))
Expect(len(mounter.MountPartitionPaths)).To(Equal(1))
Expect(mounter.MountPartitionPaths[0]).To(Equal("/dev/vda3"))
Expect(len(mounter.SwapOnPartitionPaths)).To(Equal(1))
Expect(mounter.SwapOnPartitionPaths[0]).To(Equal("/dev/vda2"))
})
It("creates swap the size of the memory and the rest for data when disk is bigger than twice the memory", func() {
memSizeInBytes := uint64(1024 * 1024 * 1024)
diskSizeInBytes := 2*memSizeInBytes + 64
partitioner.GetDeviceSizeInBytesSizes["/dev/vda"] = diskSizeInBytes
collector.MemStats.Total = memSizeInBytes
err := act()
Expect(err).ToNot(HaveOccurred())
Expect(partitioner.PartitionDevicePath).To(Equal("/dev/vda"))
Expect(partitioner.PartitionPartitions).To(ContainElement(
boshdisk.Partition{
SizeInBytes: memSizeInBytes,
Type: boshdisk.PartitionTypeSwap,
}),
)
Expect(partitioner.PartitionPartitions).To(ContainElement(
boshdisk.Partition{
SizeInBytes: diskSizeInBytes - memSizeInBytes,
Type: boshdisk.PartitionTypeLinux,
}),
)
})
It("creates equal swap and data partitions when disk is twice the memory or smaller", func() {
memSizeInBytes := uint64(1024 * 1024 * 1024)
diskSizeInBytes := 2*memSizeInBytes - 64
partitioner.GetDeviceSizeInBytesSizes["/dev/vda"] = diskSizeInBytes
collector.MemStats.Total = memSizeInBytes
err := act()
Expect(err).ToNot(HaveOccurred())
Expect(partitioner.PartitionDevicePath).To(Equal("/dev/vda"))
Expect(partitioner.PartitionPartitions).To(ContainElement(
boshdisk.Partition{
SizeInBytes: diskSizeInBytes / 2,
Type: boshdisk.PartitionTypeSwap,
}),
)
Expect(partitioner.PartitionPartitions).To(ContainElement(
boshdisk.Partition{
SizeInBytes: diskSizeInBytes / 2,
Type: boshdisk.PartitionTypeLinux,
}),
)
})
})
Context("when getting root device remaining size fails", func() {
BeforeEach(func() {
partitioner.GetDeviceSizeInBytesErr = errors.New("fake-get-remaining-size-error")
})
It("returns an error", func() {
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("Getting root device remaining size"))
Expect(err.Error()).To(ContainSubstring("fake-get-remaining-size-error"))
Expect(partitioner.PartitionCalled).To(BeFalse())
Expect(formatter.FormatCalled).To(BeFalse())
Expect(mounter.MountCalled).To(BeFalse())
})
})
})
})
It("returns error if creating data dir fails", func() {
fs.MkdirAllError = errors.New("fake-mkdir-all-err")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-mkdir-all-err"))
Expect(partitioner.PartitionCalled).To(BeFalse())
Expect(formatter.FormatCalled).To(BeFalse())
Expect(mounter.MountCalled).To(BeFalse())
})
It("returns err when the data directory cannot be globbed", func() {
fs.GlobErr = errors.New("fake-glob-err")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("Globbing ephemeral disk mount point `/fake-dir/data/*'"))
Expect(err.Error()).To(ContainSubstring("fake-glob-err"))
Expect(partitioner.PartitionCalled).To(BeFalse())
Expect(formatter.FormatCalled).To(BeFalse())
Expect(mounter.MountCalled).To(BeFalse())
})
})
Context("when agent should not partition ephemeral disk on root disk", func() {
BeforeEach(func() {
options.CreatePartitionIfNoEphemeralDisk = false
})
It("returns an error", func() {
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("cannot use root partition as ephemeral disk"))
})
It("does not try to partition anything", func() {
err := act()
Expect(err).To(HaveOccurred())
Expect(partitioner.PartitionCalled).To(BeFalse())
})
It("does not try to format anything", func() {
err := act()
Expect(err).To(HaveOccurred())
Expect(formatter.FormatCalled).To(BeFalse())
})
It("does not try to mount anything", func() {
err := act()
Expect(err).To(HaveOccurred())
Expect(mounter.MountCalled).To(BeFalse())
})
})
})
})
Describe("SetupDataDir", func() {
var mounter *fakedisk.FakeMounter
BeforeEach(func() {
mounter = diskManager.FakeMounter
})
Context("when sys/run is already mounted", func() {
BeforeEach(func() {
mounter.IsMountPointResult = true
})
It("creates sys/log directory in data directory", func() {
err := platform.SetupDataDir()
Expect(err).NotTo(HaveOccurred())
sysLogStats := fs.GetFileTestStat("/fake-dir/data/sys/log")
Expect(sysLogStats).ToNot(BeNil())
Expect(sysLogStats.FileType).To(Equal(fakesys.FakeFileTypeDir))
Expect(sysLogStats.FileMode).To(Equal(os.FileMode(0750)))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"chown", "root:vcap", "/fake-dir/data/sys"}))
Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"chown", "root:vcap", "/fake-dir/data/sys/log"}))
})
It("creates symlink from sys to data/sys", func() {
err := platform.SetupDataDir()
Expect(err).NotTo(HaveOccurred())
sysStats := fs.GetFileTestStat("/fake-dir/sys")
Expect(sysStats).ToNot(BeNil())
Expect(sysStats.FileType).To(Equal(fakesys.FakeFileTypeSymlink))
Expect(sysStats.SymlinkTarget).To(Equal("/fake-dir/data/sys"))
})
It("does not create new sys/run dir", func() {
err := platform.SetupDataDir()
Expect(err).NotTo(HaveOccurred())
sysRunStats := fs.GetFileTestStat("/fake-dir/data/sys/run")
Expect(sysRunStats).To(BeNil())
})
It("does not mount tmpfs again", func() {
err := platform.SetupDataDir()
Expect(err).NotTo(HaveOccurred())
Expect(len(mounter.MountPartitionPaths)).To(Equal(0))
})
})
Context("when sys/run is not yet mounted", func() {
BeforeEach(func() {
mounter.IsMountPointResult = false
})
It("creates sys/log directory in data directory", func() {
err := platform.SetupDataDir()
Expect(err).NotTo(HaveOccurred())
sysLogStats := fs.GetFileTestStat("/fake-dir/data/sys/log")
Expect(sysLogStats).ToNot(BeNil())
Expect(sysLogStats.FileType).To(Equal(fakesys.FakeFileTypeDir))
Expect(sysLogStats.FileMode).To(Equal(os.FileMode(0750)))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"chown", "root:vcap", "/fake-dir/data/sys"}))
Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"chown", "root:vcap", "/fake-dir/data/sys/log"}))
})
It("creates symlink from sys to data/sys", func() {
err := platform.SetupDataDir()
Expect(err).NotTo(HaveOccurred())
sysStats := fs.GetFileTestStat("/fake-dir/sys")
Expect(sysStats).ToNot(BeNil())
Expect(sysStats.FileType).To(Equal(fakesys.FakeFileTypeSymlink))
Expect(sysStats.SymlinkTarget).To(Equal("/fake-dir/data/sys"))
})
It("creates new sys/run dir", func() {
err := platform.SetupDataDir()
Expect(err).NotTo(HaveOccurred())
sysRunStats := fs.GetFileTestStat("/fake-dir/data/sys/run")
Expect(sysRunStats).ToNot(BeNil())
Expect(sysRunStats.FileType).To(Equal(fakesys.FakeFileTypeDir))
Expect(sysRunStats.FileMode).To(Equal(os.FileMode(0750)))
Expect(cmdRunner.RunCommands[2]).To(Equal([]string{"chown", "root:vcap", "/fake-dir/data/sys/run"}))
})
It("mounts tmpfs to sys/run", func() {
err := platform.SetupDataDir()
Expect(err).NotTo(HaveOccurred())
Expect(len(mounter.MountPartitionPaths)).To(Equal(1))
Expect(mounter.MountPartitionPaths[0]).To(Equal("tmpfs"))
Expect(mounter.MountMountPoints[0]).To(Equal("/fake-dir/data/sys/run"))
Expect(mounter.MountMountOptions[0]).To(Equal([]string{"-t", "tmpfs", "-o", "size=1m"}))
})
It("returns an error if creation of mount point fails", func() {
fs.MkdirAllError = errors.New("fake-mkdir-error")
err := platform.SetupDataDir()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-mkdir-error"))
})
It("returns an error if mounting tmpfs fails", func() {
mounter.MountErr = errors.New("fake-mount-error")
err := platform.SetupDataDir()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-mount-error"))
})
})
})
Describe("SetupTmpDir", func() {
act := func() error { return platform.SetupTmpDir() }
var mounter *fakedisk.FakeMounter
BeforeEach(func() {
mounter = diskManager.FakeMounter
})
It("changes permissions on /tmp", func() {
err := act()
Expect(err).NotTo(HaveOccurred())
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"chown", "root:vcap", "/tmp"}))
Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"chmod", "0770", "/tmp"}))
Expect(cmdRunner.RunCommands[2]).To(Equal([]string{"chmod", "0700", "/var/tmp"}))
})
It("creates new temp dir", func() {
err := act()
Expect(err).NotTo(HaveOccurred())
fileStats := fs.GetFileTestStat("/fake-dir/data/tmp")
Expect(fileStats).NotTo(BeNil())
Expect(fileStats.FileType).To(Equal(fakesys.FakeFileType(fakesys.FakeFileTypeDir)))
Expect(fileStats.FileMode).To(Equal(os.FileMode(0755)))
})
It("returns error if creating new temp dir errs", func() {
fs.MkdirAllError = errors.New("fake-mkdir-error")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-mkdir-error"))
})
It("sets TMPDIR environment variable so that children of this process will use new temp dir", func() {
err := act()
Expect(err).NotTo(HaveOccurred())
Expect(os.Getenv("TMPDIR")).To(Equal("/fake-dir/data/tmp"))
})
It("returns error if setting TMPDIR errs", func() {
// uses os package; no way to trigger err
})
ItDoesNotTryToUseLoopDevice := func() {
It("does not create new tmp filesystem", func() {
act()
for _, cmd := range cmdRunner.RunCommands {
Expect(cmd[0]).ToNot(Equal("truncate"))
Expect(cmd[0]).ToNot(Equal("mke2fs"))
}
})
It("does not try to mount anything /tmp", func() {
act()
Expect(len(mounter.MountPartitionPaths)).To(Equal(0))
})
}
Context("when UseDefaultTmpDir option is set to false", func() {
BeforeEach(func() {
options.UseDefaultTmpDir = false
})
Context("when /tmp is not a mount point", func() {
BeforeEach(func() {
mounter.IsMountPointResult = false
})
It("creates new tmp filesystem of 128MB placed in data dir", func() {
err := act()
Expect(err).NotTo(HaveOccurred())
Expect(cmdRunner.RunCommands[3]).To(Equal([]string{"truncate", "-s", "128M", "/fake-dir/data/root_tmp"}))
Expect(cmdRunner.RunCommands[4]).To(Equal([]string{"chmod", "0700", "/fake-dir/data/root_tmp"}))
Expect(cmdRunner.RunCommands[5]).To(Equal([]string{"mke2fs", "-t", "ext4", "-m", "1", "-F", "/fake-dir/data/root_tmp"}))
})
It("mounts the new tmp filesystem over /tmp", func() {
err := act()
Expect(err).NotTo(HaveOccurred())
Expect(len(mounter.MountPartitionPaths)).To(Equal(1))
Expect(mounter.MountPartitionPaths[0]).To(Equal("/fake-dir/data/root_tmp"))
Expect(mounter.MountMountPoints[0]).To(Equal("/tmp"))
Expect(mounter.MountMountOptions[0]).To(Equal([]string{"-t", "ext4", "-o", "loop"}))
})
It("returns error if mounting the new tmp filesystem fails", func() {
mounter.MountErr = errors.New("fake-mount-error")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-mount-error"))
})
It("changes permissions on /tmp again because it is a new mount", func() {
err := act()
Expect(err).NotTo(HaveOccurred())
Expect(cmdRunner.RunCommands[6]).To(Equal([]string{"chown", "root:vcap", "/tmp"}))
Expect(cmdRunner.RunCommands[7]).To(Equal([]string{"chmod", "0770", "/tmp"}))
})
})
Context("when /tmp is a mount point", func() {
BeforeEach(func() {
mounter.IsMountPointResult = true
})
It("returns without an error", func() {
err := act()
Expect(err).ToNot(HaveOccurred())
})
ItDoesNotTryToUseLoopDevice()
})
Context("when /tmp cannot be determined if it is a mount point", func() {
BeforeEach(func() {
mounter.IsMountPointErr = errors.New("fake-is-mount-point-error")
})
It("returns error", func() {
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-is-mount-point-error"))
})
ItDoesNotTryToUseLoopDevice()
})
})
Context("when UseDefaultTmpDir option is set to true", func() {
BeforeEach(func() {
options.UseDefaultTmpDir = true
})
It("returns without an error", func() {
err := act()
Expect(err).ToNot(HaveOccurred())
})
ItDoesNotTryToUseLoopDevice()
})
})
Describe("MountPersistentDisk", func() {
act := func() error {
return platform.MountPersistentDisk(
boshsettings.DiskSettings{Path: "fake-volume-id"},
"/mnt/point",
)
}
var (
partitioner *fakedisk.FakePartitioner
formatter *fakedisk.FakeFormatter
mounter *fakedisk.FakeMounter
)
BeforeEach(func() {
partitioner = diskManager.FakePartitioner
formatter = diskManager.FakeFormatter
mounter = diskManager.FakeMounter
})
Context("when device path is successfully resolved", func() {
BeforeEach(func() {
devicePathResolver.RealDevicePath = "fake-real-device-path"
})
Context("when UsePreformattedPersistentDisk set to false", func() {
It("creates the mount directory with the correct permissions", func() {
err := act()
Expect(err).ToNot(HaveOccurred())
mountPoint := fs.GetFileTestStat("/mnt/point")
Expect(mountPoint.FileType).To(Equal(fakesys.FakeFileTypeDir))
Expect(mountPoint.FileMode).To(Equal(os.FileMode(0700)))
})
It("returns error when creating mount directory fails", func() {
fs.MkdirAllError = errors.New("fake-mkdir-all-err")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-mkdir-all-err"))
})
It("partitions the disk", func() {
err := act()
Expect(err).ToNot(HaveOccurred())
partitions := []boshdisk.Partition{{Type: boshdisk.PartitionTypeLinux}}
Expect(partitioner.PartitionDevicePath).To(Equal("fake-real-device-path"))
Expect(partitioner.PartitionPartitions).To(Equal(partitions))
})
It("formats the disk", func() {
err := act()
Expect(err).ToNot(HaveOccurred())
Expect(formatter.FormatPartitionPaths).To(Equal([]string{"fake-real-device-path1"}))
Expect(formatter.FormatFsTypes).To(Equal([]boshdisk.FileSystemType{boshdisk.FileSystemExt4}))
})
It("mounts the disk", func() {
err := act()
Expect(err).ToNot(HaveOccurred())
Expect(mounter.MountPartitionPaths).To(Equal([]string{"fake-real-device-path1"}))
Expect(mounter.MountMountPoints).To(Equal([]string{"/mnt/point"}))
Expect(mounter.MountMountOptions).To(Equal([][]string{nil}))
})
})
Context("when UsePreformattedPersistentDisk set to true", func() {
BeforeEach(func() {
options.UsePreformattedPersistentDisk = true
})
It("creates the mount directory with the correct permissions", func() {
err := act()
Expect(err).ToNot(HaveOccurred())
mountPoint := fs.GetFileTestStat("/mnt/point")
Expect(mountPoint.FileType).To(Equal(fakesys.FakeFileTypeDir))
Expect(mountPoint.FileMode).To(Equal(os.FileMode(0700)))
})
It("returns error when creating mount directory fails", func() {
fs.MkdirAllError = errors.New("fake-mkdir-all-err")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-mkdir-all-err"))
})
It("mounts volume at mount point", func() {
err := act()
Expect(err).ToNot(HaveOccurred())
Expect(len(mounter.MountPartitionPaths)).To(Equal(1))
Expect(mounter.MountPartitionPaths).To(Equal([]string{"fake-real-device-path"})) // no '1' because no partition
Expect(mounter.MountMountPoints).To(Equal([]string{"/mnt/point"}))
Expect(mounter.MountMountOptions).To(Equal([][]string{nil}))
})
It("returns error when mounting fails", func() {
mounter.MountErr = errors.New("fake-mount-err")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-mount-err"))
})
It("does not partition the disk", func() {
err := act()
Expect(err).ToNot(HaveOccurred())
Expect(partitioner.PartitionCalled).To(BeFalse())
})
It("does not format the disk", func() {
err := act()
Expect(err).ToNot(HaveOccurred())
Expect(formatter.FormatCalled).To(BeFalse())
})
})
})
Context("when device path is not successfully resolved", func() {
It("return an error", func() {
devicePathResolver.GetRealDevicePathErr = errors.New("fake-get-real-device-path-err")
err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-get-real-device-path-err"))
})
})
})
Describe("UnmountPersistentDisk", func() {
act := func() (bool, error) {
return platform.UnmountPersistentDisk(boshsettings.DiskSettings{Path: "fake-device-path"})
}
var mounter *fakedisk.FakeMounter
BeforeEach(func() {
mounter = diskManager.FakeMounter
})
Context("when device path can be resolved", func() {
BeforeEach(func() {
devicePathResolver.RealDevicePath = "fake-real-device-path"
})
ItUnmountsPersistentDisk := func(expectedUnmountMountPoint string) {
It("returs true without an error if unmounting succeeded", func() {
mounter.UnmountDidUnmount = true
didUnmount, err := act()
Expect(err).NotTo(HaveOccurred())
Expect(didUnmount).To(BeTrue())
Expect(mounter.UnmountPartitionPathOrMountPoint).To(Equal(expectedUnmountMountPoint))
})
It("returs false without an error if was already unmounted", func() {
mounter.UnmountDidUnmount = false
didUnmount, err := act()
Expect(err).NotTo(HaveOccurred())
Expect(didUnmount).To(BeFalse())
Expect(mounter.UnmountPartitionPathOrMountPoint).To(Equal(expectedUnmountMountPoint))
})
It("returns error if unmounting fails", func() {
mounter.UnmountDidUnmount = false
mounter.UnmountErr = errors.New("fake-unmount-err")
didUnmount, err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-unmount-err"))
Expect(didUnmount).To(BeFalse())
Expect(mounter.UnmountPartitionPathOrMountPoint).To(Equal(expectedUnmountMountPoint))
})
}
Context("UsePreformattedPersistentDisk is set to false", func() {
ItUnmountsPersistentDisk("fake-real-device-path1") // note partition '1'
})
Context("UsePreformattedPersistentDisk is set to true", func() {
BeforeEach(func() {
options.UsePreformattedPersistentDisk = true
})
ItUnmountsPersistentDisk("fake-real-device-path") // note no '1'; no partitions
})
})
Context("when device path cannot be resolved", func() {
BeforeEach(func() {
devicePathResolver.GetRealDevicePathErr = errors.New("fake-get-real-device-path-err")
devicePathResolver.GetRealDevicePathTimedOut = false
})
It("returns error", func() {
isMounted, err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-get-real-device-path-err"))
Expect(isMounted).To(BeFalse())
})
})
Context("when device path cannot be resolved due to timeout", func() {
BeforeEach(func() {
devicePathResolver.GetRealDevicePathErr = errors.New("fake-get-real-device-path-err")
devicePathResolver.GetRealDevicePathTimedOut = true
})
It("does not return error", func() {
isMounted, err := act()
Expect(err).NotTo(HaveOccurred())
Expect(isMounted).To(BeFalse())
})
})
})
Describe("GetFileContentsFromCDROM", func() {
It("delegates to cdutil", func() {
cdutil.GetFilesContentsContents = [][]byte{[]byte("fake-contents")}
filename := "fake-env"
contents, err := platform.GetFileContentsFromCDROM(filename)
Expect(err).NotTo(HaveOccurred())
Expect(cdutil.GetFilesContentsFileNames[0]).To(Equal(filename))
Expect(contents).To(Equal([]byte("fake-contents")))
})
})
Describe("GetFilesContentsFromDisk", func() {
It("delegates to diskutil", func() {
diskManager.FakeDiskUtil.GetFilesContentsContents = [][]byte{
[]byte("fake-contents-1"),
[]byte("fake-contents-2"),
}
contents, err := platform.GetFilesContentsFromDisk(
"fake-disk-path",
[]string{"fake-file-path-1", "fake-file-path-2"},
)
Expect(err).NotTo(HaveOccurred())
Expect(diskManager.DiskUtilDiskPath).To(Equal("fake-disk-path"))
Expect(diskManager.FakeDiskUtil.GetFilesContentsFileNames).To(Equal(
[]string{"fake-file-path-1", "fake-file-path-2"},
))
Expect(contents).To(Equal([][]byte{
[]byte("fake-contents-1"),
[]byte("fake-contents-2"),
}))
})
})
Describe("GetEphemeralDiskPath", func() {
Context("when device path is an empty string", func() {
It("returns an empty string", func() {
devicePathResolver.RealDevicePath = "non-desired-device-path"
diskSettings := boshsettings.DiskSettings{
ID: "fake-id",
VolumeID: "fake-volume-id",
Path: "",
}
Expect(platform.GetEphemeralDiskPath(diskSettings)).To(BeEmpty())
})
})
Context("when real device path was resolved without an error", func() {
It("returns real device path and true", func() {
devicePathResolver.RealDevicePath = "fake-real-device-path"
realPath := platform.GetEphemeralDiskPath(boshsettings.DiskSettings{Path: "fake-device-path"})
Expect(realPath).To(Equal("fake-real-device-path"))
})
})
Context("when real device path was not resolved without an error", func() {
It("returns real device path and true", func() {
devicePathResolver.GetRealDevicePathErr = errors.New("fake-get-real-device-path-err")
realPath := platform.GetEphemeralDiskPath(boshsettings.DiskSettings{Path: "fake-device-path"})
Expect(realPath).To(Equal(""))
})
})
})
Describe("MigratePersistentDisk", func() {
var mounter *fakedisk.FakeMounter
BeforeEach(func() {
mounter = diskManager.FakeMounter
})
It("migrate persistent disk", func() {
err := platform.MigratePersistentDisk("/from/path", "/to/path")
Expect(err).ToNot(HaveOccurred())
Expect(mounter.RemountAsReadonlyPath).To(Equal("/from/path"))
Expect(len(cmdRunner.RunCommands)).To(Equal(1))
Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"sh", "-c", "(tar -C /from/path -cf - .) | (tar -C /to/path -xpf -)"}))
Expect(mounter.UnmountPartitionPathOrMountPoint).To(Equal("/from/path"))
Expect(mounter.RemountFromMountPoint).To(Equal("/to/path"))
Expect(mounter.RemountToMountPoint).To(Equal("/from/path"))
})
})
Describe("IsPersistentDiskMounted", func() {
act := func() (bool, error) {
return platform.IsPersistentDiskMounted(boshsettings.DiskSettings{Path: "fake-device-path"})
}
var mounter *fakedisk.FakeMounter
BeforeEach(func() {
mounter = diskManager.FakeMounter
})
Context("when device path can be resolved", func() {
BeforeEach(func() {
devicePathResolver.RealDevicePath = "fake-real-device-path"
})
ItChecksPersistentDiskMountPoint := func(expectedCheckedMountPoint string) {
Context("when checking persistent disk mount point succeeds", func() {
It("returns true if mount point exists", func() {
mounter.IsMountedResult = true
isMounted, err := act()
Expect(err).NotTo(HaveOccurred())
Expect(isMounted).To(BeTrue())
Expect(mounter.IsMountedDevicePathOrMountPoint).To(Equal(expectedCheckedMountPoint))
})
It("returns false if mount point does not exist", func() {
mounter.IsMountedResult = false
isMounted, err := act()
Expect(err).NotTo(HaveOccurred())
Expect(isMounted).To(BeFalse())
Expect(mounter.IsMountedDevicePathOrMountPoint).To(Equal(expectedCheckedMountPoint))
})
})
Context("checking persistent disk mount points fails", func() {
It("returns error", func() {
mounter.IsMountedResult = false
mounter.IsMountedErr = errors.New("fake-is-mounted-err")
isMounted, err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-is-mounted-err"))
Expect(isMounted).To(BeFalse())
Expect(mounter.IsMountedDevicePathOrMountPoint).To(Equal(expectedCheckedMountPoint))
})
})
}
Context("UsePreformattedPersistentDisk is set to false", func() {
ItChecksPersistentDiskMountPoint("fake-real-device-path1") // note partition '1'
})
Context("UsePreformattedPersistentDisk is set to true", func() {
BeforeEach(func() {
options.UsePreformattedPersistentDisk = true
})
ItChecksPersistentDiskMountPoint("fake-real-device-path") // note no '1'; no partitions
})
})
Context("when device path cannot be resolved", func() {
BeforeEach(func() {
devicePathResolver.GetRealDevicePathErr = errors.New("fake-get-real-device-path-err")
devicePathResolver.GetRealDevicePathTimedOut = false
})
It("returns error", func() {
isMounted, err := act()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-get-real-device-path-err"))
Expect(isMounted).To(BeFalse())
})
})
Context("when device path cannot be resolved due to timeout", func() {
BeforeEach(func() {
devicePathResolver.GetRealDevicePathErr = errors.New("fake-get-real-device-path-err")
devicePathResolver.GetRealDevicePathTimedOut = true
})
It("does not return error", func() {
isMounted, err := act()
Expect(err).NotTo(HaveOccurred())
Expect(isMounted).To(BeFalse())
})
})
})
Describe("StartMonit", func() {
It("creates a symlink between /etc/service/monit and /etc/sv/monit", func() {
err := platform.StartMonit()
Expect(err).NotTo(HaveOccurred())
target, _ := fs.ReadLink(filepath.Join("/etc", "service", "monit"))
Expect(target).To(Equal(filepath.Join("/etc", "sv", "monit")))
})
It("retries to start monit", func() {
err := platform.StartMonit()
Expect(err).NotTo(HaveOccurred())
Expect(monitRetryStrategy.TryCalled).To(BeTrue())
})
It("returns error if retrying to start monit fails", func() {
monitRetryStrategy.TryErr = errors.New("fake-retry-monit-error")
err := platform.StartMonit()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-retry-monit-error"))
})
})
Describe("SetupMonitUser", func() {
It("setup monit user if file does not exist", func() {
err := platform.SetupMonitUser()
Expect(err).NotTo(HaveOccurred())
monitUserFileStats := fs.GetFileTestStat("/fake-dir/monit/monit.user")
Expect(monitUserFileStats).ToNot(BeNil())
Expect(monitUserFileStats.StringContents()).To(Equal("vcap:random-password"))
})
It("setup monit user if file does exist", func() {
fs.WriteFileString("/fake-dir/monit/monit.user", "vcap:other-random-password")
err := platform.SetupMonitUser()
Expect(err).NotTo(HaveOccurred())
monitUserFileStats := fs.GetFileTestStat("/fake-dir/monit/monit.user")
Expect(monitUserFileStats).ToNot(BeNil())
Expect(monitUserFileStats.StringContents()).To(Equal("vcap:other-random-password"))
})
})
Describe("GetMonitCredentials", func() {
It("get monit credentials reads monit file from disk", 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"))
})
It("get monit credentials errs when invalid file format", func() {
fs.WriteFileString("/fake-dir/monit/monit.user", "fake-user")
_, _, err := platform.GetMonitCredentials()
Expect(err).To(HaveOccurred())
})
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"))
})
})
Describe("SetupNetworking", func() {
It("delegates to the NetManager", func() {
networks := boshsettings.Networks{}
err := platform.SetupNetworking(networks)
Expect(err).ToNot(HaveOccurred())
Expect(netManager.SetupNetworkingNetworks).To(Equal(networks))
})
})
Describe("GetConfiguredNetworkInterfaces", func() {
It("delegates to the NetManager", func() {
netmanagerInterfaces := []string{"fake-eth0", "fake-eth1"}
netManager.GetConfiguredNetworkInterfacesInterfaces = netmanagerInterfaces
interfaces, err := platform.GetConfiguredNetworkInterfaces()
Expect(err).ToNot(HaveOccurred())
Expect(interfaces).To(Equal(netmanagerInterfaces))
})
})
Describe("GetDefaultNetwork", func() {
It("delegates to the defaultNetworkResolver", func() {
defaultNetwork := boshsettings.Network{IP: "1.2.3.4"}
fakeDefaultNetworkResolver.GetDefaultNetworkNetwork = defaultNetwork
network, err := platform.GetDefaultNetwork()
Expect(err).ToNot(HaveOccurred())
Expect(network).To(Equal(defaultNetwork))
})
})
}
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("SetupNetworking", func() {
It("delegates to the NetManager", func() {
networks := boshsettings.Networks{}
err := platform.SetupNetworking(networks)
Expect(err).ToNot(HaveOccurred())
Expect(netManager.SetupNetworkingNetworks).To(Equal(networks))
})
})
Describe("GetDefaultNetwork", func() {
It("delegates to the defaultNetworkResolver", func() {
defaultNetwork := boshsettings.Network{IP: "1.2.3.4"}
fakeDefaultNetworkResolver.GetDefaultNetworkNetwork = defaultNetwork
network, err := platform.GetDefaultNetwork()
Expect(err).ToNot(HaveOccurred())
Expect(network).To(Equal(defaultNetwork))
})
})
Describe("SetTimeWithNtpServers", func() {
It("sets time with ntp servers", func() {
servers := []string{"0.north-america.pool.ntp.org", "1.north-america.pool.ntp.org"}
platform.SetTimeWithNtpServers(servers)
Expect(len(cmdRunner.RunCommands)).To(Equal(6))
Expect(cmdRunner.RunCommands[0]).To(ContainElement(ContainSubstring("new-netfirewallrule")))