func (s *Simulator) createSimPeer() *simPeer {
ident := s.newPeerIdent("")
dd := s.discoverd.NewClient(ident)
pg := s.postgres.NewClient(ident)
p := state.NewPeer(ident, s.singleton, dd, pg, s.log.New("component", "peer"))
p.SetDebugChannels(s.restCh, s.retryCh)
return &simPeer{
Self: ident,
Discoverd: dd,
Postgres: pg,
Peer: p,
}
}
func main() {
serviceName := os.Getenv("FLYNN_POSTGRES")
if serviceName == "" {
serviceName = "postgres"
}
singleton := os.Getenv("SINGLETON") == "true"
password := os.Getenv("PGPASSWORD")
err := discoverd.DefaultClient.AddService(serviceName, &discoverd.ServiceConfig{
LeaderType: discoverd.LeaderTypeManual,
})
if err != nil && !httphelper.IsObjectExistsError(err) {
shutdown.Fatal(err)
}
inst := &discoverd.Instance{Addr: ":5432"}
hb, err := discoverd.DefaultClient.RegisterInstance(serviceName, inst)
if err != nil {
shutdown.Fatal(err)
}
shutdown.BeforeExit(func() { hb.Close() })
log := log15.New("app", "postgres")
pg := NewPostgres(Config{
ID: inst.ID,
Singleton: singleton,
BinDir: "/usr/lib/postgresql/9.4/bin/",
Password: password,
Logger: log.New("component", "postgres"),
ExtWhitelist: true,
WaitUpstream: true,
// TODO(titanous) investigate this:
SHMType: "sysv", // the default on 9.4, 'posix' is not currently supported in our containers
})
dd := NewDiscoverd(discoverd.DefaultClient.Service(serviceName), log.New("component", "discoverd"))
peer := state.NewPeer(inst, singleton, dd, pg, log.New("component", "peer"))
shutdown.BeforeExit(func() { peer.Close() })
go peer.Run()
shutdown.Fatal(ServeHTTP(pg.(*Postgres), peer, hb, log.New("component", "http")))
// TODO(titanous): clean shutdown of postgres
}
func main() {
serviceName := os.Getenv("FLYNN_POSTGRES")
if serviceName == "" {
serviceName = "postgres"
}
singleton := os.Getenv("SINGLETON") == "true"
password := os.Getenv("PGPASSWORD")
const dataDir = "/data"
idFile := filepath.Join(dataDir, "instance_id")
idBytes, err := ioutil.ReadFile(idFile)
if err != nil && !os.IsNotExist(err) {
shutdown.Fatalf("error reading instance ID: %s", err)
}
id := string(idBytes)
if len(id) == 0 {
id = random.UUID()
if err := ioutil.WriteFile(idFile, []byte(id), 0644); err != nil {
shutdown.Fatalf("error writing instance ID: %s", err)
}
}
err = discoverd.DefaultClient.AddService(serviceName, &discoverd.ServiceConfig{
LeaderType: discoverd.LeaderTypeManual,
})
if err != nil && !httphelper.IsObjectExistsError(err) {
shutdown.Fatal(err)
}
inst := &discoverd.Instance{
Addr: ":5432",
Meta: map[string]string{"POSTGRES_ID": id},
}
hb, err := discoverd.DefaultClient.RegisterInstance(serviceName, inst)
if err != nil {
shutdown.Fatal(err)
}
shutdown.BeforeExit(func() { hb.Close() })
log := log15.New("app", "postgres")
pg := NewPostgres(Config{
ID: id,
Singleton: singleton,
DataDir: filepath.Join(dataDir, "db"),
BinDir: "/usr/lib/postgresql/9.4/bin/",
Password: password,
Logger: log.New("component", "postgres"),
ExtWhitelist: true,
WaitUpstream: true,
// TODO(titanous) investigate this:
SHMType: "sysv", // the default on 9.4, 'posix' is not currently supported in our containers
})
dd := NewDiscoverd(discoverd.DefaultClient.Service(serviceName), log.New("component", "discoverd"))
peer := state.NewPeer(inst, id, singleton, dd, pg, log.New("component", "peer"))
shutdown.BeforeExit(func() { peer.Close() })
go peer.Run()
shutdown.Fatal(ServeHTTP(pg.(*Postgres), peer, hb, log.New("component", "http")))
// TODO(titanous): clean shutdown of postgres
}