forked from elodina/syphon
/
scheduler.go
199 lines (183 loc) · 6.33 KB
/
scheduler.go
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package main
import (
"flag"
"fmt"
"github.com/elodina/syphon/consumer"
"github.com/elodina/syphon/framework"
"github.com/golang/protobuf/proto"
"github.com/jimlawless/cfg"
"github.com/mesos/mesos-go/mesosproto"
"github.com/mesos/mesos-go/scheduler"
"net/http"
"os"
"os/signal"
"strconv"
"strings"
"time"
"io"
)
var master = flag.String("master", "127.0.0.1:5050", "Mesos Master address <ip:port>.")
var topics = flag.String("topics", "", "Comma-separated list of topics")
var threadsPerTask = flag.Int("task.threads", 3, "Max threads per task.")
var artifactServerListen = flag.String("listen", "0.0.0.0:8888", "Bootstrap host:port for artifact server.")
var user = flag.String("user", "", "User for running the framework")
var artifactServerHost = flag.String("artifacts.host", "0.0.0.0", "Host for artifact server.")
var artifactServerPort = flag.Int("artifacts.port", 8888, "Binding port for artifact server.")
var cpuPerTask = flag.Float64("cpu.per.task", 0.2, "CPUs per task.")
var memPerTask = flag.Float64("mem.per.task", 256, "Memory per task.")
var targetUrl = flag.String("target.url", "", "Target URL.")
var consumerConfigPath = flag.String("consumer.config", "consumer.properties", "Kafka consumer config file")
var certFile = flag.String("ssl.cert", "", "SSL certificate file path.")
var keyFile = flag.String("ssl.key", "", "SSL private key file path.")
var caFile = flag.String("ssl.cacert", "", "Certifying Authority SSL Certificate file path.")
var apiKey = flag.String("api.key", "", "Elodina API key")
var apiUser = flag.String("api.user", "", "Elodina API user")
var insecure = flag.Bool("insecure", false, "Disable certificate verification")
func main() {
flag.Parse()
ctrlc := make(chan os.Signal, 1)
signal.Notify(ctrlc, os.Interrupt)
frameworkInfo := &mesosproto.FrameworkInfo{
User: proto.String(*user),
Name: proto.String("Syphon Framework"),
}
schedulerConfig := framework.NewElodinaTransportSchedulerConfig()
schedulerConfig.CpuPerTask = *cpuPerTask
schedulerConfig.MemPerTask = *memPerTask
schedulerConfig.Topics = strings.Split(*topics, ",")
schedulerConfig.ExecutorBinaryName = "executor"
schedulerConfig.ServiceHost = *artifactServerHost
schedulerConfig.ServicePort = *artifactServerPort
schedulerConfig.ThreadsPerTask = *threadsPerTask
schedulerConfig.TargetURL = *targetUrl
schedulerConfig.SSLCertFilePath = *certFile
schedulerConfig.SSLKeyFilePath = *keyFile
schedulerConfig.SSLCACertFilePath = *caFile
schedulerConfig.ApiKey = *apiKey
schedulerConfig.ApiUser = *apiUser
schedulerConfig.Insecure = *insecure
schedulerConfig.ConsumerConfig = mustReadConsumerConfig(*consumerConfigPath)
transportScheduler := framework.NewElodinaTransportScheduler(schedulerConfig)
driverConfig := scheduler.DriverConfig{
Scheduler: transportScheduler,
Framework: frameworkInfo,
Master: *master,
}
driver, err := scheduler.NewMesosSchedulerDriver(driverConfig)
go func() {
<-ctrlc
transportScheduler.Shutdown(driver)
driver.Stop(false)
}()
if err != nil {
fmt.Println("Unable to create a SchedulerDriver ", err.Error())
}
go startArtifactServer()
if stat, err := driver.Run(); err != nil {
fmt.Println("Framework stopped with status %s and error: %s\n", stat.String(), err.Error())
}
}
func startArtifactServer() {
http.HandleFunc(fmt.Sprintf("/resource/"), func(w http.ResponseWriter, r *http.Request) {
resourceTokens := strings.Split(r.URL.Path, "/")
resource := resourceTokens[len(resourceTokens)-1]
fmt.Println("Serving ", resource)
http.ServeFile(w, r, resource)
})
http.HandleFunc(fmt.Sprintf("/health"), func(w http.ResponseWriter, r *http.Request) {
io.WriteString(w, "OK")
})
http.ListenAndServe(*artifactServerListen, nil)
}
func mustReadConsumerConfig(path string) consumer.PartitionConsumerConfig {
config := consumer.PartitionConsumerConfig{}
cfgMap, err := cfg.LoadNewMap(path)
if err != nil {
panic(err)
}
config.Group = cfgMap["group"]
config.ClientID = cfgMap["client.id"]
config.BrokerList = strings.Split(cfgMap["broker.list"], ",")
fmt.Printf("%v\n", config.BrokerList)
commitOffsetBackoff, err := time.ParseDuration(cfgMap["commit.backoff"])
if err != nil {
panic(err)
}
config.CommitOffsetBackoff = commitOffsetBackoff
commitOffsetRetries, err := strconv.Atoi(cfgMap["commit.retries"])
if err != nil {
panic(err)
}
config.CommitOffsetRetries = commitOffsetRetries
connectTimeout, err := time.ParseDuration(cfgMap["connect.timeout"])
if err != nil {
panic(err)
}
config.ConnectTimeout = connectTimeout
consumerMetadataBackoff, err := time.ParseDuration(cfgMap["metadata.backoff"])
if err != nil {
panic(err)
}
config.ConsumerMetadataBackoff = consumerMetadataBackoff
consumerMetadataRetries, err := strconv.Atoi(cfgMap["consumer.metadata.retries"])
if err != nil {
panic(err)
}
config.ConsumerMetadataRetries = consumerMetadataRetries
fetchMaxWaitTime, err := strconv.Atoi(cfgMap["fetch.max.wait"])
if err != nil {
panic(err)
}
config.FetchMaxWaitTime = int32(fetchMaxWaitTime)
fetchMinBytes, err := strconv.Atoi(cfgMap["fetch.min.bytes"])
if err != nil {
panic(err)
}
config.FetchMinBytes = int32(fetchMinBytes)
fetchSize, err := strconv.Atoi(cfgMap["fetch.size"])
if err != nil {
panic(err)
}
config.FetchSize = int32(fetchSize)
keepAlive, err := strconv.ParseBool(cfgMap["keep.alive"])
if err != nil {
panic(err)
}
config.KeepAlive = keepAlive
keepAliveTimeout, err := time.ParseDuration(cfgMap["keep.alive.timeout"])
if err != nil {
panic(err)
}
config.KeepAliveTimeout = keepAliveTimeout
maxConnections, err := strconv.Atoi(cfgMap["max.connections"])
if err != nil {
panic(err)
}
config.MaxConnections = maxConnections
maxConnectionsPerBroker, err := strconv.Atoi(cfgMap["max.broker.connections"])
if err != nil {
panic(err)
}
config.MaxConnectionsPerBroker = maxConnectionsPerBroker
metadataBackoff, err := time.ParseDuration(cfgMap["metadata.backoff"])
if err != nil {
panic(err)
}
config.MetadataBackoff = metadataBackoff
metadataRetries, err := strconv.Atoi(cfgMap["metadata.retries"])
if err != nil {
panic(err)
}
config.MetadataRetries = metadataRetries
readTimeout, err := time.ParseDuration(cfgMap["read.timeout"])
if err != nil {
panic(err)
}
config.ReadTimeout = readTimeout
writeTimeout, err := time.ParseDuration(cfgMap["write.timeout"])
if err != nil {
panic(err)
}
config.WriteTimeout = writeTimeout
return config
}