func (f LagerFlag) Logger(component string) (lager.Logger, *lager.ReconfigurableSink) {
var minLagerLogLevel lager.LogLevel
switch f.LogLevel {
case LogLevelDebug:
minLagerLogLevel = lager.DEBUG
case LogLevelInfo:
minLagerLogLevel = lager.INFO
case LogLevelError:
minLagerLogLevel = lager.ERROR
case LogLevelFatal:
minLagerLogLevel = lager.FATAL
default:
panic(fmt.Sprintf("unknown log level: %s", f.LogLevel))
}
logger := lager.NewLogger(component)
sink := lager.NewReconfigurableSink(lager.NewWriterSink(os.Stdout, lager.DEBUG), minLagerLogLevel)
logger.RegisterSink(sink)
return logger, sink
}
var (
serverProc ifrit.Process
fakeMetrics *fakes.FakeMetrics
)
BeforeEach(func() {
var err error
fakeMetrics = new(fakes.FakeMetrics)
fakeMetrics.NumCPUReturns(11)
fakeMetrics.NumGoroutineReturns(888)
fakeMetrics.LoopDevicesReturns(33)
fakeMetrics.BackingStoresReturns(12)
fakeMetrics.DepotDirsReturns(3)
sink := lager.NewReconfigurableSink(lager.NewWriterSink(GinkgoWriter, lager.DEBUG), lager.DEBUG)
serverProc, err = metrics.StartDebugServer("127.0.0.1:5123", sink, fakeMetrics)
Expect(err).ToNot(HaveOccurred())
})
AfterEach(func() {
serverProc.Signal(os.Kill)
})
It("should report the number of loop devices, backing store files and depotDirs", func() {
resp, err := http.Get("http://127.0.0.1:5123/debug/vars")
Expect(err).ToNot(HaveOccurred())
defer resp.Body.Close()
Expect(resp.StatusCode).To(Equal(http.StatusOK))