Files
micromdm/main.go
Victor Vrantchan 2a592078aa remove extra arg
2016-05-20 16:23:15 -04:00

313 lines
9.3 KiB
Go

package main
import (
"errors"
"flag"
"fmt"
"io/ioutil"
"net/http"
"os"
"github.com/RobotsAndPencils/buford/certificate"
"github.com/RobotsAndPencils/buford/push"
"github.com/go-kit/kit/log"
"github.com/micromdm/dep"
"github.com/micromdm/micromdm/checkin"
"github.com/micromdm/micromdm/command"
"github.com/micromdm/micromdm/connect"
"github.com/micromdm/micromdm/device"
"github.com/micromdm/micromdm/management"
"github.com/micromdm/micromdm/workflow"
stdprometheus "github.com/prometheus/client_golang/prometheus"
"golang.org/x/net/context"
)
var (
// Version info
Version = "unreleased"
gitHash = "unknown"
)
func main() {
ctx := context.Background()
logger := log.NewLogfmtLogger(os.Stderr)
//flags
var (
flPort = flag.String("port", envString("MICROMDM_HTTP_LISTEN_PORT", ""), "port to listen on")
flTLS = flag.Bool("tls", envBool("MICROMDM_USE_TLS"), "use https")
flTLSCert = flag.String("tls-cert", envString("MICROMDM_TLS_CERT", ""), "path to TLS certificate")
flTLSKey = flag.String("tls-key", envString("MICROMDM_TLS_KEY", ""), "path to TLS private key")
flPGconn = flag.String("postgres", envString("MICROMDM_POSTGRES_CONN_URL", ""), "postgres connection url")
flRedisconn = flag.String("redis", envString("MICROMDM_REDIS_CONN_URL", ""), "redis connection url")
flVersion = flag.Bool("version", false, "print version information")
flPushCert = flag.String("push-cert", envString("MICROMDM_PUSH_CERT", ""), "path to push certificate")
flPushPass = flag.String("push-pass", envString("MICROMDM_PUSH_PASS", ""), "push certificate password")
flEnrollment = flag.String("profile", envString("MICROMDM_ENROLL_PROFILE", ""), "path to enrollment profile")
flDEPCK = flag.String("dep-consumer-key", envString("DEP_CONSUMER_KEY", ""), "dep consumer key")
flDEPCS = flag.String("dep-consumer-secret", envString("DEP_CONSUMER_SECRET", ""), "dep consumer secret")
flDEPAT = flag.String("dep-access-token", envString("DEP_ACCESS_TOKEN", ""), "dep access token")
flDEPAS = flag.String("dep-access-secret", envString("DEP_ACCESS_SECRET", ""), "dep access secret")
flDEPsim = flag.Bool("depsim", envBool("DEP_USE_DEPSIM"), "use default depsim credentials")
flDEPServerURL = flag.String("dep-server-url", envString("DEP_SERVER_URL", ""), "dep server url. for testing. Use blank if not running against depsim")
flPkgRepo = flag.String("pkg-repo", envString("MICROMDM_PKG_REPO", ""), "path to pkg repo")
)
// set tls to true by default. let user set it to false
*flTLS = true
flag.Parse()
// -version flag
if *flVersion {
fmt.Printf("micromdm - Version %s\n", Version)
fmt.Printf("Git Hash - %s\n", gitHash)
os.Exit(0)
}
// check port flag
// if none is provided, default to 80 or 443
if *flPort == "" {
port := defaultPort(*flTLS)
logger.Log("msg", fmt.Sprintf("No port flag specified. Using %v by default", port))
*flPort = port
}
if *flEnrollment == "" {
logger.Log("err", "must set path to enrollment profile")
os.Exit(1)
}
enrollmentProfile, err := ioutil.ReadFile(*flEnrollment)
if err != nil {
logger.Log("err", err)
os.Exit(1)
}
// check cert and key if -tls=true
if *flTLS {
if err := checkTLSFlags(*flTLSKey, *flTLSCert); err != nil {
logger.Log("err", err)
os.Exit(1)
}
}
pgHostAddr := os.Getenv("POSTGRES_PORT_5432_TCP_ADDR")
if *flPGconn == "" && pgHostAddr != "" {
*flPGconn = getPGConnFromENV(logger, pgHostAddr)
}
// check database connection
if *flPGconn == "" {
logger.Log("err", "database connection url not specified")
os.Exit(1)
}
if checkEmptyArgs(*flPushCert, *flPushPass) {
logger.Log("err", "must specify push cert path and password")
os.Exit(1)
}
pushSvc, err := pushService(*flPushCert, *flPushPass)
if err != nil {
logger.Log("err", err)
os.Exit(1)
}
workflowDB, err := workflow.NewDB(
"postgres",
*flPGconn,
logger,
)
if err != nil {
logger.Log("err", err)
os.Exit(1)
}
deviceDB, err := device.NewDB(
"postgres",
*flPGconn,
logger,
)
if err != nil {
logger.Log("err", err)
os.Exit(1)
}
redisHostAddr := os.Getenv("REDIS_PORT_6379_TCP_ADDR")
if *flRedisconn == "" && redisHostAddr != "" {
*flRedisconn = getRedisConnFromENV(redisHostAddr)
}
// check database connection
if *flRedisconn == "" {
logger.Log("err", "database connection url not specified")
os.Exit(1)
}
commandDB, err := command.NewDB("redis", *flRedisconn, logger)
if err != nil {
logger.Log("err", err)
os.Exit(1)
}
dc := depClient(logger, *flDEPCK, *flDEPCS, *flDEPAT, *flDEPAS, *flDEPServerURL, *flDEPsim)
mgmtSvc := management.NewService(deviceDB, workflowDB, dc, pushSvc)
commandSvc := command.NewService(commandDB)
checkinSvc := checkin.NewService(deviceDB, mgmtSvc, commandSvc, enrollmentProfile)
connectSvc := connect.NewService(deviceDB, commandSvc)
httpLogger := log.NewContext(logger).With("component", "http")
managementHandler := management.ServiceHandler(ctx, mgmtSvc, httpLogger)
commandHandler := command.ServiceHandler(ctx, commandSvc, httpLogger)
checkinHandler := checkin.ServiceHandler(ctx, checkinSvc, httpLogger)
connectHandler := connect.ServiceHandler(ctx, connectSvc, httpLogger)
mux := http.NewServeMux()
mux.Handle("/management/v1/", managementHandler)
mux.Handle("/mdm/commands", commandHandler)
mux.Handle("/mdm/commands/", commandHandler)
mux.Handle("/mdm/checkin", checkinHandler)
mux.Handle("/mdm/connect", connectHandler)
if *flPkgRepo != "" {
mux.Handle("/repo/", http.StripPrefix("/repo/", http.FileServer(http.Dir(*flPkgRepo))))
}
http.Handle("/", mux)
http.Handle("/metrics", stdprometheus.Handler())
serve(logger, *flTLS, *flPort, *flTLSKey, *flTLSCert)
}
func depClient(logger log.Logger, consumerKey, consumerSecret, accessToken, accessSecret, serverURL string, depsim bool) dep.Client {
depsimDefault := &dep.Config{
ConsumerKey: "CK_48dd68d198350f51258e885ce9a5c37ab7f98543c4a697323d75682a6c10a32501cb247e3db08105db868f73f2c972bdb6ae77112aea803b9219eb52689d42e6",
ConsumerSecret: "CS_34c7b2b531a600d99a0e4edcf4a78ded79b86ef318118c2f5bcfee1b011108c32d5302df801adbe29d446eb78f02b13144e323eb9aad51c79f01e50cb45c3a68",
AccessToken: "AT_927696831c59ba510cfe4ec1a69e5267c19881257d4bca2906a99d0785b785a6f6fdeb09774954fdd5e2d0ad952e3af52c6d8d2f21c924ba0caf4a031c158b89",
AccessSecret: "AS_c31afd7a09691d83548489336e8ff1cb11b82b6bca13f793344496a556b1f4972eaff4dde6deb5ac9cf076fdfa97ec97699c34d515947b9cf9ed31c99dded6ba",
}
var config *dep.Config
if depsim {
config = depsimDefault
} else {
if checkEmptyArgs(consumerKey, consumerSecret, accessToken, accessSecret) {
logger.Log("err", "must specify DEP server credentials")
logger.Log("ConsumerKey", consumerKey, "ConsumerSecret", consumerSecret, "AccessToken", accessToken, "AccessSecret", accessSecret)
os.Exit(1)
}
config = &dep.Config{
ConsumerKey: consumerKey,
ConsumerSecret: consumerSecret,
AccessToken: accessToken,
AccessSecret: accessSecret,
}
}
var client dep.Client
var err error
if serverURL != "" {
client, err = dep.NewClient(config, dep.ServerURL(serverURL))
} else {
client, err = dep.NewClient(config)
}
if err != nil {
logger.Log("err", err)
os.Exit(1)
}
return client
}
func pushService(certPath, password string) (*push.Service, error) {
cert, key, err := certificate.Load(certPath, password)
if err != nil {
return nil, err
}
client, err := push.NewClient(certificate.TLS(cert, key))
if err != nil {
return nil, err
}
service := &push.Service{
Client: client,
Host: push.Production,
}
return service, nil
}
func checkEmptyArgs(args ...string) bool {
for _, arg := range args {
if arg == "" {
return true
}
}
return false
}
// choose http or https
func serve(logger log.Logger, tls bool, port, key, cert string) {
portStr := fmt.Sprintf(":%v", port)
if tls {
logger.Log("msg", "HTTPs", "addr", port)
logger.Log("err", http.ListenAndServeTLS(portStr, cert, key, nil))
} else {
logger.Log("msg", "HTTP", "addr", port)
logger.Log("err", http.ListenAndServe(portStr, nil))
}
}
func envString(key, def string) string {
if env := os.Getenv(key); env != "" {
return env
}
return def
}
func envBool(key string) bool {
if env := os.Getenv(key); env == "true" {
return true
}
return false
}
func checkTLSFlags(key, cert string) error {
if key == "" || cert == "" {
return errors.New("You must provide a valid path to a TLS cert and key")
}
return nil
}
func defaultPort(tls bool) string {
if tls {
return "443"
}
return "80"
}
// use this in docker container
func getPGConnFromENV(logger log.Logger, host string) string {
user := os.Getenv("POSTGRES_ENV_POSTGRES_USER")
if user == "" {
user = "postgres"
}
dbname := os.Getenv("POSTGRES_ENV_POSTGRES_DB")
if dbname == "" {
dbname = user //same defaults as the docker pgcontainer
}
password := os.Getenv("POSTGRES_ENV_POSTGRES_PASSWORD")
if password == "" {
password = "postgres"
}
sslmode := os.Getenv("POSTGRES_ENV_SSLMODE")
if sslmode == "" {
logger.Log("msg", "POSTGRES_ENV_SSLMODE not specified, using 'require' by default")
sslmode = "require"
}
conn := fmt.Sprintf("user=%v password=%v dbname=%v sslmode=%v host=%v", user, password, dbname, sslmode, host)
return conn
}
func getRedisConnFromENV(host string) string {
port := os.Getenv("REDIS_PORT_6379_TCP_PORT")
conn := fmt.Sprintf("%v:%v", host, port)
return conn
}