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main.go
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main.go
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package main
import (
"flag"
"fmt"
"net/http"
"path"
"strings"
"time"
log "github.com/sirupsen/logrus"
"github.com/fleaz/CptHook/input"
"github.com/spf13/viper"
)
var (
inputChannel = make(chan input.IRCMessage, 10)
version = "dev"
commit = "none"
date = time.Now().Format(time.RFC3339)
)
func configureLogLevel() {
if l := viper.GetString("logging.level"); l != "" {
level, err := log.ParseLevel(l)
if err != nil {
log.WithFields(log.Fields{
"level": l,
}).Fatal("Uknown loglevel defined in configuration.")
}
log.WithFields(log.Fields{
"level": level,
}).Info("Setting loglevel defined by configuration")
log.SetLevel(level)
return
}
log.Info("Loglevel not defined in configuration. Defaulting to ERROR")
log.SetLevel(log.ErrorLevel)
}
type Configuration struct {
Modules map[string]InputModule `yaml:"modules"`
}
type InputModule struct {
Enalbed string `yaml:"enabled"`
}
func createModuleObject(name string) (input.Module, error) {
var m input.Module
var e error
switch name {
case "gitlab":
m = &input.GitlabModule{}
case "prometheus":
m = &input.PrometheusModule{}
case "simple":
m = &input.SimpleModule{}
case "icinga2":
m = &input.Icinga2Module{}
default:
e = fmt.Errorf("found configuration for unknown module: %q", name)
}
return m, e
}
func main() {
confDirPtr := flag.String("config", "/etc/cpthook.yml", "Path to the configfile")
flag.Parse()
// Load configuration from file
confDir, confName := path.Split(*confDirPtr)
viper.SetConfigName(strings.Split(confName, ".")[0])
if len(confDir) > 0 {
viper.AddConfigPath(confDir)
} else {
viper.AddConfigPath(".")
}
err := viper.ReadInConfig()
if err != nil {
log.Fatal(err)
}
configureLogLevel()
var channelList = []string{}
var configurtaion = Configuration{}
err = viper.Unmarshal(&configurtaion)
if err != nil {
log.Fatal(err)
}
for moduleName := range configurtaion.Modules {
module, err := createModuleObject(moduleName)
if err != nil {
log.Warn(err)
continue
}
log.Infof("Loaded module %q", moduleName)
configPath := fmt.Sprintf("modules.%s", moduleName)
module.Init(viper.Sub(configPath), &inputChannel)
channelList = append(channelList, module.GetChannelList()...)
http.HandleFunc(module.GetEndpoint(), module.GetHandler())
}
// Start IRC connection
go ircConnection(viper.Sub("irc"), channelList)
// Start HTTP server
log.WithFields(log.Fields{
"listen": viper.GetString("http.listen"),
}).Info("Started HTTP Server")
log.Fatal(http.ListenAndServe(viper.GetString("http.listen"), nil))
}