func main() {
var cfg *config.Config
if configFile != "" {
log.Printf("Loading file: %s\n", configFile)
cfg = config.InitConfigFromFile(configFile)
} else {
log.Fatal("Config file not specified.")
}
level, err := logger.Levelify(cfg.Logging.Level)
if err != nil {
panic(err.Error())
}
logger := logger.NewLogger(level)
dnsUpdater := dns.NewDnsUpdater(*cfg, logger)
go dnsUpdater.Run()
// error chan not being used by anything, just to prevent main from exiting
errCh := make(chan error, 1)
select {
case <-errCh:
return
}
}
func newLogger() boshlog.Logger {
logLevelString := os.Getenv("BOSH_INIT_LOG_LEVEL")
level := boshlog.LevelNone
if logLevelString != "" {
var err error
level, err = boshlog.Levelify(logLevelString)
if err != nil {
err = bosherr.WrapError(err, "Invalid BOSH_INIT_LOG_LEVEL value")
logger := boshlog.NewLogger(boshlog.LevelError)
ui := biui.NewConsoleUI(logger)
fail(err, ui, logger, nil)
}
}
logPath := os.Getenv("BOSH_INIT_LOG_PATH")
if logPath != "" {
return newSignalableFileLogger(logPath, level)
}
return newSignalableLogger(boshlog.NewLogger(level))
}
func init() {
Describe("App", func() {
var (
baseDir string
agentConfPath string
agentConfJSON string
app App
)
BeforeEach(func() {
var err error
baseDir, err = ioutil.TempDir("", "go-agent-test")
Expect(err).ToNot(HaveOccurred())
err = os.Mkdir(filepath.Join(baseDir, "bosh"), os.ModePerm)
Expect(err).ToNot(HaveOccurred())
})
BeforeEach(func() {
agentConfPath = filepath.Join(baseDir, "bosh", "agent.json")
agentConfJSON = `{
"Infrastructure": { "Settings": { "Sources": [{ "Type": "CDROM", "FileName": "/fake-file-name" }] } }
}`
settingsPath := filepath.Join(baseDir, "bosh", "settings.json")
settingsJSON := `{
"agent_id": "my-agent-id",
"blobstore": {
"options": {
"bucket_name": "george",
"encryption_key": "optional encryption key",
"access_key_id": "optional access key id",
"secret_access_key": "optional secret access key"
},
"provider": "dummy"
},
"disks": {
"ephemeral": "/dev/sdb",
"persistent": {
"vol-xxxxxx": "/dev/sdf"
},
"system": "/dev/sda1"
},
"env": {
"bosh": {
"password": "******"
}
},
"networks": {
"netA": {
"default": ["dns", "gateway"],
"ip": "ww.ww.ww.ww",
"dns": [
"xx.xx.xx.xx",
"yy.yy.yy.yy"
]
},
"netB": {
"dns": [
"zz.zz.zz.zz"
]
}
},
"Mbus": "https://*****:*****@0.0.0.0:6868",
"ntp": [
"0.north-america.pool.ntp.org",
"1.north-america.pool.ntp.org"
],
"vm": {
"name": "vm-abc-def"
}
}`
err := ioutil.WriteFile(settingsPath, []byte(settingsJSON), 0640)
Expect(err).ToNot(HaveOccurred())
})
JustBeforeEach(func() {
err := ioutil.WriteFile(agentConfPath, []byte(agentConfJSON), 0640)
Expect(err).ToNot(HaveOccurred())
logger := boshlog.NewLogger(boshlog.LevelNone)
fakefs := boshsys.NewOsFileSystem(logger)
app = New(logger, fakefs)
})
AfterEach(func() {
os.RemoveAll(baseDir)
})
It("Sets up device path resolver on platform specific to infrastructure", func() {
err := app.Setup([]string{"bosh-agent", "-P", "dummy", "-C", agentConfPath, "-b", baseDir})
Expect(err).ToNot(HaveOccurred())
Expect(app.GetPlatform().GetDevicePathResolver()).To(Equal(devicepathresolver.NewIdentityDevicePathResolver()))
})
Context("when DevicePathResolutionType is 'virtio'", func() {
BeforeEach(func() {
agentConfJSON = `{
"Platform": { "Linux": { "DevicePathResolutionType": "virtio" } },
"Infrastructure": { "Settings": { "Sources": [{ "Type": "CDROM", "FileName": "/fake-file-name" }] } }
}`
})
It("uses a VirtioDevicePathResolver", func() {
err := app.Setup([]string{"bosh-agent", "-P", "dummy", "-C", agentConfPath, "-b", baseDir})
Expect(err).ToNot(HaveOccurred())
logLevel, err := boshlog.Levelify("DEBUG")
Expect(err).NotTo(HaveOccurred())
Expect(app.GetPlatform().GetDevicePathResolver()).To(
BeAssignableToTypeOf(devicepathresolver.NewVirtioDevicePathResolver(nil, nil, boshlog.NewLogger(logLevel))))
})
})
Context("when DevicePathResolutionType is 'scsi'", func() {
BeforeEach(func() {
agentConfJSON = `{
"Platform": { "Linux": { "DevicePathResolutionType": "scsi" } },
"Infrastructure": { "Settings": { "Sources": [{ "Type": "CDROM", "FileName": "/fake-file-name" }] } }
}`
})
It("uses a VirtioDevicePathResolver", func() {
err := app.Setup([]string{"bosh-agent", "-P", "dummy", "-C", agentConfPath, "-b", baseDir})
Expect(err).ToNot(HaveOccurred())
Expect(app.GetPlatform().GetDevicePathResolver()).To(
BeAssignableToTypeOf(devicepathresolver.NewScsiDevicePathResolver(nil, nil, nil)))
})
})
Context("logging stemcell version and git sha", func() {
var (
logger boshlog.Logger
outBuf *bytes.Buffer
fakeFs boshsys.FileSystem
stemcellVersionFilePath string
stemcellSha1FilePath string
)
JustBeforeEach(func() {
outBuf = bytes.NewBufferString("")
errBuf := bytes.NewBufferString("")
logger = boshlog.NewWriterLogger(boshlog.LevelDebug, outBuf, errBuf)
fakeFs = fakesys.NewFakeFileSystem()
dirProvider := boshdirs.NewProvider(baseDir)
stemcellVersionFilePath = filepath.Join(dirProvider.EtcDir(), "stemcell_version")
stemcellSha1FilePath = filepath.Join(dirProvider.EtcDir(), "stemcell_git_sha1")
app = New(logger, fakeFs)
})
Context("when stemcell version and sha files are present", func() {
It("should print out the stemcell version and sha in the logs", func() {
fakeFs.WriteFileString(stemcellVersionFilePath, "version-blah")
fakeFs.WriteFileString(stemcellSha1FilePath, "sha1-blah")
app.Setup([]string{"bosh-agent", "-P", "dummy", "-C", agentConfPath, "-b", baseDir})
Expect(string(outBuf.Bytes())).To(ContainSubstring("Running on stemcell version 'version-blah' (git: sha1-blah)"))
})
})
Context("when stemcell version file is NOT present", func() {
It("should print out the sha in the logs", func() {
fakeFs.WriteFileString(stemcellSha1FilePath, "sha1-blah")
app.Setup([]string{"bosh-agent", "-P", "dummy", "-C", agentConfPath, "-b", baseDir})
Expect(string(outBuf.Bytes())).To(ContainSubstring("Running on stemcell version '?' (git: sha1-blah)"))
})
})
Context("when sha version file is NOT present", func() {
It("should print out the stemcell version in the logs", func() {
fakeFs.WriteFileString(stemcellVersionFilePath, "version-blah")
app.Setup([]string{"bosh-agent", "-P", "dummy", "-C", agentConfPath, "-b", baseDir})
Expect(string(outBuf.Bytes())).To(ContainSubstring("Running on stemcell version 'version-blah' (git: ?)"))
})
})
Context("when stemcell version file is empty", func() {
It("should print out the sha in the logs", func() {
fakeFs.WriteFileString(stemcellVersionFilePath, "")
fakeFs.WriteFileString(stemcellSha1FilePath, "sha1-blah")
app.Setup([]string{"bosh-agent", "-P", "dummy", "-C", agentConfPath, "-b", baseDir})
Expect(string(outBuf.Bytes())).To(ContainSubstring("Running on stemcell version '?' (git: sha1-blah)"))
})
})
Context("when sha version file is empty", func() {
It("should print out the stemcell version in the logs", func() {
fakeFs.WriteFileString(stemcellVersionFilePath, "version-blah")
fakeFs.WriteFileString(stemcellSha1FilePath, "")
app.Setup([]string{"bosh-agent", "-P", "dummy", "-C", agentConfPath, "-b", baseDir})
Expect(string(outBuf.Bytes())).To(ContainSubstring("Running on stemcell version 'version-blah' (git: ?)"))
})
})
Context("when stemcell version and sha files are NOT present", func() {
It("should print unknown version and sha in the logs", func() {
app.Setup([]string{"bosh-agent", "-P", "dummy", "-C", agentConfPath, "-b", baseDir})
Expect(string(outBuf.Bytes())).To(ContainSubstring("Running on stemcell version '?' (git: ?)"))
})
})
})
})
}
