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An IRC bot written in Go that provides notification when a RethinkDB cluster experiences issues
package main
import (
"code.google.com/p/gcfg"
"fmt"
r "github.com/dancannon/gorethink"
irc "github.com/fluffle/goirc/client"
"log"
"strings"
)
type Config struct {
IRC struct{ Host, Channel, Nickname string }
DB struct{ Host string }
}
type Issue struct {
Description, Type string
}
type Server struct {
Name, Status string
}
func main() {
quit := make(chan bool, 1)
var config Config
if err := gcfg.ReadFileInto(&config, "config.gcfg"); err != nil {
log.Fatal("Couldn't read configuration")
}
db, err := r.Connect(r.ConnectOpts{Address: config.DB.Host})
if err != nil {
log.Fatal("Database connection failed:", err)
}
ircConf := irc.NewConfig(config.IRC.Nickname)
ircConf.Server = config.IRC.Host
bot := irc.Client(ircConf)
bot.HandleFunc("connected", func(conn *irc.Conn, line *irc.Line) {
log.Println("Connected to IRC server", config.IRC.Host)
conn.Join(config.IRC.Channel)
})
bot.HandleFunc("privmsg", func(conn *irc.Conn, line *irc.Line) {
log.Println("Received:", line.Nick, line.Text())
if strings.HasPrefix(line.Text(), config.IRC.Nickname) {
command := strings.Split(line.Text(), " ")[1]
switch command {
case "quit":
log.Println("Received command to quit")
quit <- true
}
}
})
log.Println("Connecting to IRC server", config.IRC.Host)
if err := bot.Connect(); err != nil {
log.Fatal("IRC connection failed:", err)
}
issues, _ := r.Db("rethinkdb").Table("current_issues").Filter(
r.Row.Field("critical").Eq(true)).Changes().Field("new_val").Run(db)
go func() {
var issue Issue
for issues.Next(&issue) {
if issue.Type != "" {
text := strings.Split(issue.Description, "\n")[0]
message := fmt.Sprintf("(%s) %s ...", issue.Type, text)
bot.Privmsg(config.IRC.Channel, message)
}
}
}()
<-quit
}
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