forked from alexanderlovell/mailer
/
main.go
148 lines (128 loc) · 4.57 KB
/
main.go
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package main
import (
"errors"
"fmt"
"log"
"os"
"github.com/getsentry/raven-go"
"github.com/lavab/flag"
"github.com/lavab/smtpd"
"github.com/lavab/mailer/handler"
"github.com/lavab/mailer/outbound"
"github.com/lavab/mailer/shared"
)
var (
// Flags used to enable functionality in the flag package
configFlag = flag.String("config", "", "Config file to load")
etcdAddress = flag.String("etcd_address", "", "etcd peer addresses split by commas")
etcdCAFile = flag.String("etcd_ca_file", "", "etcd path to server cert's ca")
etcdCertFile = flag.String("etcd_cert_file", "", "etcd path to client cert file")
etcdKeyFile = flag.String("etcd_key_file", "", "etcd path to client key file")
etcdPath = flag.String("etcd_path", "mailer/", "Path of the keys")
// General settings
bindAddress = flag.String("bind", ":25", "Address used to bind")
welcomeMessage = flag.String("welcome", "Lavaboom Mailer ready.", "Welcome message displayed upon connecting to the server")
hostname = flag.String("hostname", "localhost", "Server hostname")
logFormatterType = flag.String("log", "text", "Log formatter type. Either \"json\" or \"text\"")
forceColors = flag.Bool("force_colors", false, "Force colored prompt?")
// RethinkDB connection settings
rethinkdbAddress = flag.String("rethinkdb_address", func() string {
address := os.Getenv("RETHINKDB_PORT_28015_TCP_ADDR")
if address == "" {
address = "127.0.0.1"
}
return address + ":28015"
}(), "Address of the RethinkDB database")
rethinkdbKey = flag.String("rethinkdb_key", os.Getenv("RETHINKDB_AUTHKEY"), "Authentication key of the RethinkDB database")
rethinkdbDatabase = flag.String("rethinkdb_db", func() string {
database := os.Getenv("RETHINKDB_DB")
if database == "" {
database = "dev"
}
return database
}(), "Database name on the RethinkDB server")
// nsqd and nsqlookupd addresses
nsqdAddress = flag.String("nsqd_address", func() string {
address := os.Getenv("NSQD_PORT_4150_TCP_ADDR")
if address == "" {
address = "127.0.0.1"
}
return address + ":4150"
}(), "Address of the nsqd server")
lookupdAddress = flag.String("lookupd_address", func() string {
address := os.Getenv("NSQLOOKUPD_PORT_4161_TCP_ADDR")
if address == "" {
address = "127.0.0.1"
}
return address + ":4161"
}(), "Address of the lookupd server")
// smtp relay and spamd addresses
smtpAddress = flag.String("smtp_address", "127.0.0.1:2525", "Address of the SMTP server used for message relaying")
spamdAddress = flag.String("spamd_address", "127.0.0.1:783", "Address of the spamd server used for antispam")
// dkim selector, domain and key
dkimKey = flag.String("dkim_key", "", "Path of the DKIM private file")
dkimSelector = flag.String("dkim_selector", "default", "DKIM selector")
// raven dsn
ravenDSN = flag.String("raven_dsn", "", "DSN of the Raven connection")
)
func main() {
flag.Parse()
// Create a new Raven client
var rc *raven.Client
if *ravenDSN != "" {
h, err := os.Hostname()
if err != nil {
log.Fatal(err)
}
rc, err = raven.NewClient(*ravenDSN, map[string]string{
"hostname": h,
})
if err != nil {
log.Fatal(err)
}
}
defer func() {
var packet *raven.Packet
p := recover()
switch rval := p.(type) {
case nil:
return
case error:
packet = raven.NewPacket(rval.Error(), raven.NewException(rval, raven.NewStacktrace(2, 3, nil)))
default:
rvalStr := fmt.Sprint(rval)
packet = raven.NewPacket(rvalStr, raven.NewException(errors.New(rvalStr), raven.NewStacktrace(2, 3, nil)))
}
_, ch := rc.Capture(packet, nil)
<-ch
panic(p)
}()
config := &shared.Flags{
EtcdAddress: *etcdAddress,
EtcdCAFile: *etcdCAFile,
EtcdCertFile: *etcdCertFile,
EtcdKeyFile: *etcdKeyFile,
EtcdPath: *etcdPath,
BindAddress: *bindAddress,
WelcomeMessage: *welcomeMessage,
Hostname: *hostname,
LogFormatterType: *logFormatterType,
ForceColors: *forceColors,
RethinkAddress: *rethinkdbAddress,
RethinkKey: *rethinkdbKey,
RethinkDatabase: *rethinkdbDatabase,
NSQDAddress: *nsqdAddress,
LookupdAddress: *lookupdAddress,
SMTPAddress: *smtpAddress,
SpamdAddress: *spamdAddress,
DKIMKey: *dkimKey,
DKIMSelector: *dkimSelector,
}
h := handler.PrepareHandler(config)
server := &smtpd.Server{
WelcomeMessage: *welcomeMessage,
Handler: h,
}
outbound.StartQueue(config)
server.ListenAndServe(*bindAddress)
}