func StartGnatsd(natsPort int) (ifrit.Process, diegonats.NATSClient) {
ginkgomonRunner := NewGnatsdTestRunner(natsPort)
gnatsdProcess := ifrit.Envoke(ginkgomonRunner)
natsClient := diegonats.NewClient()
_, err := natsClient.Connect([]string{fmt.Sprintf("nats://127.0.0.1:%d", natsPort)})
Expect(err).ShouldNot(HaveOccurred())
return gnatsdProcess, natsClient
}
func main() {
flag.Parse()
logger := lager.NewLogger("lattice-app")
if quiet {
logger.RegisterSink(lager.NewWriterSink(os.Stdout, lager.INFO))
} else {
logger.RegisterSink(lager.NewWriterSink(os.Stdout, lager.DEBUG))
}
ports := getServerPorts()
logger.Info("lattice-app.starting", lager.Data{"ports": ports})
handler, err := rata.NewRouter(routes.Routes, handlers.New(logger))
if err != nil {
logger.Fatal("router.creation.failed", err)
}
index, err := helpers.FetchIndex()
appName := fetchAppName()
go func() {
t := time.NewTicker(time.Second)
for {
<-t.C
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to fetch index: %s\n", err.Error())
} else {
fmt.Println(fmt.Sprintf("%s. Says %s. on index: %d", appName, message, index))
}
}
}()
wg := sync.WaitGroup{}
for _, port := range ports {
wg.Add(1)
go func(wg *sync.WaitGroup, port string) {
defer wg.Done()
server := ifrit.Envoke(http_server.New(":"+port, handler))
logger.Info("lattice-app.up", lager.Data{"port": port})
err = <-server.Wait()
if err != nil {
logger.Error("shutting down server", err, lager.Data{"server port": port})
}
logger.Info("shutting down server", lager.Data{"server port": port})
}(&wg, port)
}
wg.Wait()
logger.Info("shutting latice app")
}
func main() {
logger := lager.NewLogger("lattice-app")
if quiet {
logger.RegisterSink(lager.NewWriterSink(os.Stdout, lager.INFO))
} else {
logger.RegisterSink(lager.NewWriterSink(os.Stdout, lager.DEBUG))
}
port := os.Getenv("PORT")
if port == "" {
port = "8080"
}
logger.Info("lattice-app.starting", lager.Data{"port": port})
handler, err := rata.NewRouter(routes.Routes, handlers.New(logger))
if err != nil {
logger.Fatal("router.creation.failed", err)
}
index, err := helpers.FetchIndex()
appName := helpers.FetchAppName()
go func() {
t := time.NewTicker(time.Second)
for {
<-t.C
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to fetch index: %s\n", err.Error())
} else {
fmt.Println(fmt.Sprintf("%s. Says %s. on index: %d", appName, message, index))
}
}
}()
server := ifrit.Envoke(http_server.New(":"+port, handler))
logger.Info("lattice-app.up", lager.Data{"port": port})
err = <-server.Wait()
if err != nil {
logger.Error("farewell", err)
}
logger.Info("farewell")
}
break
}
precedingMigrations = append(precedingMigrations, migration)
}
BeforeEach(func() {
Ω(migrationFromSet).ShouldNot(BeNil(), "Migration was not added to the list!")
var err error
postgresRunner = postgresrunner.Runner{
Port: 5433 + GinkgoParallelNode(),
}
dbProcess = ifrit.Envoke(postgresRunner)
postgresRunner.CreateTestDB()
dbConn, err = migration.Open("postgres", postgresRunner.DataSourceName(), precedingMigrations)
Ω(err).ShouldNot(HaveOccurred())
})
AfterEach(func() {
err := dbConn.Close()
Ω(err).ShouldNot(HaveOccurred())
postgresRunner.DropTestDB()
dbProcess.Signal(os.Interrupt)
Eventually(dbProcess.Wait(), 10*time.Second).Should(Receive())
childRunner1.EnsureExit()
childRunner2.EnsureExit()
childRunner3.EnsureExit()
})
Describe("Get", func() {
var member1, member2, member3 grouper.Member
BeforeEach(func() {
member1 = grouper.Member{"child1", childRunner1}
member2 = grouper.Member{"child2", childRunner2}
member3 = grouper.Member{"child3", childRunner3}
pool = grouper.NewDynamic(nil, 3, 2)
client = pool.Client()
poolProcess = ifrit.Envoke(pool)
insert := client.Inserter()
Eventually(insert).Should(BeSent(member1))
Eventually(insert).Should(BeSent(member2))
Eventually(insert).Should(BeSent(member3))
})
It("returns a process when the member is present", func() {
signal1 := childRunner1.WaitForCall()
p, ok := client.Get("child1")
Ω(ok).Should(BeTrue())
p.Signal(syscall.SIGUSR2)
Eventually(signal1).Should(Receive(Equal(syscall.SIGUSR2)))
})
)
BeforeEach(func() {
startedRequestChan = make(chan struct{}, 1)
finishRequestChan = make(chan struct{}, 1)
port := 8000 + GinkgoParallelNode()
address = fmt.Sprintf("127.0.0.1:%d", port)
})
Describe("Envoke", func() {
var process ifrit.Process
Context("when the server starts successfully", func() {
BeforeEach(func() {
server = http_server.New(address, handler)
process = ifrit.Envoke(server)
})
AfterEach(func() {
process.Signal(syscall.SIGINT)
Eventually(process.Wait()).Should(Receive())
})
Context("and a request is in flight", func() {
type httpResponse struct {
response *http.Response
err error
}
var responses chan httpResponse
BeforeEach(func() {
MemoryMB: 128,
DiskMB: 256,
Containers: 512,
}, nil)
executorClient.ListContainersReturns([]executor.Container{
{Guid: "container-1"},
{Guid: "container-2"},
{Guid: "container-3"},
}, nil)
})
JustBeforeEach(func() {
reporter = ifrit.Envoke(&metrics.Reporter{
ExecutorSource: executorClient,
Interval: reportInterval,
Logger: logger,
})
})
AfterEach(func() {
reporter.Signal(os.Interrupt)
Eventually(reporter.Wait()).Should(Receive())
})
It("reports the current capacity on the given interval", func() {
Eventually(func() fake.Metric {
return sender.GetValue("CapacityTotalMemory")
}, reportInterval*2).Should(Equal(fake.Metric{
Value: 1024,
Unit: "MiB",
{"child2", r2},
{"child3", r3},
}
})
AfterEach(func() {
groupProcess.Signal(os.Kill)
Eventually(groupProcess.Wait()).Should(Receive())
})
JustBeforeEach(func() {
groupRunner = grouper.NewOrdered(os.Interrupt, members)
started = make(chan struct{})
go func() {
groupProcess = ifrit.Envoke(groupRunner)
close(started)
}()
Eventually(started).Should(BeClosed())
})
It("stops in reverse order", func() {
groupProcess.Signal(os.Kill)
Eventually(groupProcess.Wait()).Should(Receive())
close(startOrder)
close(stopOrder)
Ω(startOrder).To(HaveLen(len(stopOrder)))
order := []int64{}
func main() {
flag.Parse()
if !*dev && (*httpUsername == "" || (*httpHashedPassword == "" && *httpPassword == "")) {
fatal(errors.New("must specify -httpUsername and -httpPassword or -httpHashedPassword or turn on dev mode"))
}
if _, err := os.Stat(*templatesDir); err != nil {
fatal(errors.New("directory specified via -templates does not exist"))
}
if _, err := os.Stat(*publicDir); err != nil {
fatal(errors.New("directory specified via -public does not exist"))
}
logger := lager.NewLogger("atc")
logLevel := lager.INFO
if *dev {
logLevel = lager.DEBUG
}
sink := lager.NewReconfigurableSink(lager.NewWriterSink(os.Stdout, lager.DEBUG), logLevel)
logger.RegisterSink(sink)
var err error
var dbConn Db.Conn
for {
dbConn, err = migration.Open(*sqlDriver, *sqlDataSource, migrations.Migrations)
if err != nil {
if strings.Contains(err.Error(), " dial ") {
logger.Error("failed-to-open-db", err)
time.Sleep(5 * time.Second)
continue
}
fatal(err)
}
break
}
dbConn = Db.Explain(logger, dbConn, 500*time.Millisecond)
listener := pq.NewListener(*sqlDataSource, time.Second, time.Minute, nil)
bus := Db.NewNotificationsBus(listener)
db := Db.NewSQL(logger.Session("db"), dbConn, bus)
pipelineDBFactory := Db.NewPipelineDBFactory(logger.Session("db"), dbConn, bus, db)
var configDB Db.ConfigDB
configDB = Db.PlanConvertingConfigDB{db}
var resourceTypesNG []atc.WorkerResourceType
err = json.Unmarshal([]byte(*resourceTypes), &resourceTypesNG)
if err != nil {
logger.Fatal("invalid-resource-types", err)
}
var workerClient worker.Client
if *gardenAddr != "" {
workerClient = worker.NewGardenWorker(
gclient.New(gconn.NewWithLogger(
*gardenNetwork,
*gardenAddr,
logger.Session("garden-connection"),
)),
clock.NewClock(),
-1,
resourceTypesNG,
"linux",
[]string{},
)
} else {
workerClient = worker.NewPool(worker.NewDBWorkerProvider(db, logger))
}
resourceTracker := resource.NewTracker(workerClient)
gardenFactory := exec.NewGardenFactory(workerClient, resourceTracker, func() string {
guid, err := uuid.NewV4()
if err != nil {
panic("not enough entropy to generate guid: " + err.Error())
}
return guid.String()
})
execEngine := engine.NewExecEngine(gardenFactory, engine.NewBuildDelegateFactory(db), db)
engine := engine.NewDBEngine(engine.Engines{execEngine}, db, db)
var webValidator auth.Validator
if *httpUsername != "" && *httpHashedPassword != "" {
webValidator = auth.BasicAuthHashedValidator{
Username: *httpUsername,
HashedPassword: *httpHashedPassword,
}
} else if *httpUsername != "" && *httpPassword != "" {
webValidator = auth.BasicAuthValidator{
Username: *httpUsername,
Password: *httpPassword,
}
} else {
webValidator = auth.NoopValidator{}
}
callbacksURL, err := url.Parse(*callbacksURLString)
if err != nil {
fatal(err)
}
drain := make(chan struct{})
apiHandler, err := api.NewHandler(
logger, // logger lager.Logger,
webValidator, // validator auth.Validator,
pipelineDBFactory, // pipelineDBFactory db.PipelineDBFactory,
configDB, // configDB db.ConfigDB,
db, // buildsDB buildserver.BuildsDB,
db, // workerDB workerserver.WorkerDB,
db, // pipeDB pipes.PipeDB,
db, // pipelinesDB db.PipelinesDB,
config.ValidateConfig, // configValidator configserver.ConfigValidator,
callbacksURL.String(), // peerURL string,
buildserver.NewEventHandler, // eventHandlerFactory buildserver.EventHandlerFactory,
drain, // drain <-chan struct{},
engine, // engine engine.Engine,
workerClient, // workerClient worker.Client,
sink, // sink *lager.ReconfigurableSink,
*cliDownloadsDir, // cliDownloadsDir string,
)
if err != nil {
fatal(err)
}
radarSchedulerFactory := pipelines.NewRadarSchedulerFactory(
resourceTracker,
*checkInterval,
db,
engine,
db,
)
webHandler, err := web.NewHandler(
logger,
webValidator,
radarSchedulerFactory,
db,
pipelineDBFactory,
configDB,
*templatesDir,
*publicDir,
engine,
)
if err != nil {
fatal(err)
}
webMux := http.NewServeMux()
webMux.Handle("/api/v1/", apiHandler)
webMux.Handle("/", webHandler)
var httpHandler http.Handler
httpHandler = webMux
if !*publiclyViewable {
httpHandler = auth.Handler{
Handler: httpHandler,
Validator: webValidator,
}
}
// copy Authorization header as ATC-Authorization cookie for websocket auth
httpHandler = auth.CookieSetHandler{
Handler: httpHandler,
}
httpHandler = httpmetrics.Wrap(httpHandler)
webListenAddr := fmt.Sprintf("%s:%d", *webListenAddress, *webListenPort)
debugListenAddr := fmt.Sprintf("%s:%d", *debugListenAddress, *debugListenPort)
syncer := pipelines.NewSyncer(
logger.Session("syncer"),
db,
pipelineDBFactory,
func(pipelineDB Db.PipelineDB) ifrit.Runner {
return grouper.NewParallel(os.Interrupt, grouper.Members{
{
pipelineDB.ScopedName("radar"),
rdr.NewRunner(
logger.Session(pipelineDB.ScopedName("radar")),
*noop,
db,
radarSchedulerFactory.BuildRadar(pipelineDB),
pipelineDB,
1*time.Minute,
),
},
{
pipelineDB.ScopedName("scheduler"),
&sched.Runner{
Logger: logger.Session(pipelineDB.ScopedName("scheduler")),
Locker: db,
DB: pipelineDB,
Scheduler: radarSchedulerFactory.BuildScheduler(pipelineDB),
Noop: *noop,
Interval: 10 * time.Second,
},
},
})
},
)
buildTracker := builds.NewTracker(
logger.Session("build-tracker"),
db,
engine,
)
memberGrouper := []grouper.Member{
{"web", http_server.New(webListenAddr, httpHandler)},
{"debug", http_server.New(debugListenAddr, http.DefaultServeMux)},
{"drainer", ifrit.RunFunc(func(signals <-chan os.Signal, ready chan<- struct{}) error {
close(ready)
<-signals
close(drain)
return nil
})},
{"pipelines", pipelines.SyncRunner{
Syncer: syncer,
Interval: 10 * time.Second,
Clock: clock.NewClock(),
}},
{"builds", builds.TrackerRunner{
Tracker: buildTracker,
Interval: 10 * time.Second,
Clock: clock.NewClock(),
}},
}
group := grouper.NewParallel(os.Interrupt, memberGrouper)
running := ifrit.Envoke(sigmon.New(group))
logger.Info("listening", lager.Data{
"web": webListenAddr,
"debug": debugListenAddr,
})
err = <-running.Wait()
if err != nil {
logger.Error("exited-with-failure", err)
os.Exit(1)
}
}
func TestCCUploader(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "CC Uploader Suite")
}
var _ = SynchronizedBeforeSuite(func() []byte {
ccUploaderPath, err := gexec.Build("github.com/cloudfoundry-incubator/cc-uploader/cmd/cc-uploader")
Expect(err).NotTo(HaveOccurred())
return []byte(ccUploaderPath)
}, func(ccUploaderPath []byte) {
fakeCCAddress := fmt.Sprintf("127.0.0.1:%d", 6767+GinkgoParallelNode())
fakeCC = fake_cc.New(fakeCCAddress)
ccUploaderBinary = string(ccUploaderPath)
})
var _ = SynchronizedAfterSuite(func() {
}, func() {
gexec.CleanupBuildArtifacts()
})
var _ = BeforeEach(func() {
fakeCCProcess = ifrit.Envoke(fakeCC)
})
var _ = AfterEach(func() {
fakeCCProcess.Signal(os.Kill)
Eventually(fakeCCProcess.Wait()).Should(Receive(BeNil()))
})
members := []grouper.Member{}
memChan := pGroup.Exits()
for i := 0; i < len(rGroup); i++ {
members = append(members, <-memChan)
}
Ω(members).Should(HaveLen(len(rGroup)))
close(done)
})
})
})
Describe("ifrit.Envoke()", func() {
var pGroup ifrit.Process
BeforeEach(func() {
pGroup = ifrit.Envoke(rGroup)
})
Context("when the linked process is signaled to stop", func() {
BeforeEach(func() {
pGroup.Signal(os.Kill)
})
It("exits with a combined error message", func() {
err := <-pGroup.Wait()
errMsg := err.Error()
Ω(errMsg).Should(ContainSubstring("ping1"))
Ω(errMsg).Should(ContainSubstring("ping2"))
Ω(errMsg).Should(ContainSubstring(test_helpers.PingerExitedFromSignal.Error()))
})
})
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/tedsuo/ifrit"
"github.com/tedsuo/ifrit/test_helpers"
"os"
)
var _ = Describe("Process", func() {
Context("when a process is envoked", func() {
var pinger test_helpers.PingChan
var pingProc ifrit.Process
var errChan chan error
BeforeEach(func() {
pinger = make(test_helpers.PingChan)
pingProc = ifrit.Envoke(pinger)
errChan = make(chan error)
})
Describe("Wait()", func() {
BeforeEach(func() {
go func() {
errChan <- <-pingProc.Wait()
}()
go func() {
errChan <- <-pingProc.Wait()
}()
})
Context("when the process exits", func() {
BeforeEach(func() {
func (mChan MemberChan) envokeMember(name string, runner ifrit.Runner) {
mChan <- Member{Name: name, Process: ifrit.Envoke(runner)}
}