forked from gengo/goship
/
main.go
192 lines (170 loc) · 6.33 KB
/
main.go
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package main
import (
"flag"
"fmt"
"io"
"net/http"
"os"
"regexp"
"strings"
"github.com/coreos/go-etcd/etcd"
"github.com/gengo/goship/handlers/comment"
"github.com/gengo/goship/handlers/commits"
deploypage "github.com/gengo/goship/handlers/deploy-page"
"github.com/gengo/goship/handlers/lock"
"github.com/gengo/goship/lib/acl"
"github.com/gengo/goship/lib/auth"
"github.com/gengo/goship/lib/config"
githublib "github.com/gengo/goship/lib/github"
"github.com/gengo/goship/lib/notification"
helpers "github.com/gengo/goship/lib/view-helpers"
_ "github.com/gengo/goship/plugins"
"github.com/golang/glog"
ghandlers "github.com/gorilla/handlers"
"golang.org/x/net/context"
"golang.org/x/net/websocket"
)
var (
bindAddress = flag.String("b", "localhost:8000", "Address to bind (default localhost:8000)")
sshPort = "22"
keyPath = flag.String("k", "id_rsa", "Path to private SSH key (default id_rsa)")
dataPath = flag.String("d", "data/", "Path to data directory (default ./data/)")
staticFilePath = flag.String("s", "static/", "Path to directory for static files (default ./static/)")
ETCDServer = flag.String("e", "http://127.0.0.1:4001", "Etcd Server (default http://127.0.0.1:4001)")
cookieSessionHash = flag.String("c", "COOKIE-SESSION-HASH", "Random cookie session key (default jhjhjhjhjhjjhjhhj)")
defaultUser = flag.String("u", "genericUser", "Default User if non auth (default genericUser)")
defaultAvatar = flag.String("a", "https://camo.githubusercontent.com/33a7d9a138ac73ece82dee977c216eb13dffc984/687474703a2f2f692e696d6775722e636f6d2f524c766b486b612e706e67", "Default Avatar (default goship gopher image)")
confirmDeployFlag = flag.Bool("f", true, "Flag to always ask for confirmation before deploying")
requestLog = flag.String("request-log", "-", "destination of request log. '-' means stdout")
)
var validPathWithEnv = regexp.MustCompile("^/(deployLog|commits)/(.*)$")
func extractDeployLogHandler(ac acl.AccessControl, ecl *etcd.Client, fn func(http.ResponseWriter, *http.Request, string, config.Environment, string)) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
m := validPathWithEnv.FindStringSubmatch(r.URL.Path)
if m == nil {
http.NotFound(w, r)
return
}
c, err := config.Load(ecl)
if err != nil {
glog.Errorf("Failed to get current configuration: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// auth check for user
u, err := auth.CurrentUser(r)
if err != nil {
glog.Error("Failed to get a user while deploying in Auth Mode: %v", err)
http.Error(w, err.Error(), http.StatusUnauthorized)
}
c.Projects = acl.ReadableProjects(ac, c.Projects, u)
// get project name and env from url
a := strings.Split(m[2], "-")
l := len(a)
environmentName := a[l-1]
var projectName string
if m[1] == "commits" {
projectName = m[2]
} else {
projectName = strings.Join(a[0:l-1], "-")
}
e, err := config.EnvironmentFromName(c.Projects, projectName, environmentName)
if err != nil {
glog.Errorf("Can't get environment from name: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
fn(w, r, m[2], *e, projectName)
}
}
var validPathWithEnvAndTime = regexp.MustCompile("^/(output)/(.*)/(.*)$")
func extractOutputHandler(fn func(http.ResponseWriter, *http.Request, string, string)) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
m := validPathWithEnvAndTime.FindStringSubmatch(r.URL.Path)
if m == nil {
http.NotFound(w, r)
return
}
fn(w, r, m[2], m[3])
}
}
const (
gitHubAPITokenEnvVar = "GITHUB_API_TOKEN"
)
func newGithubClient() (githublib.Client, error) {
gt := os.Getenv(gitHubAPITokenEnvVar)
if gt == "" {
return nil, fmt.Errorf("environment variable %s not defined", gitHubAPITokenEnvVar)
}
return githublib.NewClient(gt), nil
}
func buildHandler(ctx context.Context) (http.Handler, error) {
gcl, err := newGithubClient()
if err != nil {
glog.Errorf("Failed to build github client: %v", err)
return nil, err
}
ac := acl.Null
if auth.Enabled() {
ac = acl.NewGithub(gcl)
}
if err := os.Mkdir(*dataPath, 0777); err != nil && !os.IsExist(err) {
glog.Errorf("could not create data dir: %v", err)
return nil, err
}
hub := notification.NewHub(ctx)
ecl := etcd.NewClient([]string{*ETCDServer})
assets := helpers.New(*staticFilePath)
mux := http.NewServeMux()
mux.Handle("/", auth.Authenticate(HomeHandler{ac: ac, ecl: ecl, assets: assets}))
mux.HandleFunc("/static/", func(w http.ResponseWriter, r *http.Request) {
http.ServeFile(w, r, r.URL.Path[1:])
})
dph, err := deploypage.New(assets, fmt.Sprintf("ws://%s/web_push", *bindAddress))
if err != nil {
glog.Errorf("Failed to build deploy page handler: %v", err)
return nil, err
}
mux.Handle("/deploy", auth.Authenticate(dph))
mux.Handle("/web_push", websocket.Handler(hub.AcceptConnection))
dlh := DeployLogHandler{assets: assets}
mux.Handle("/deployLog/", auth.AuthenticateFunc(extractDeployLogHandler(ac, ecl, dlh.ServeHTTP)))
mux.Handle("/output/", auth.AuthenticateFunc(extractOutputHandler(DeployOutputHandler)))
mux.Handle("/commits/", auth.Authenticate(commits.New(ac, ecl, gcl, *keyPath)))
mux.Handle("/deploy_handler", auth.Authenticate(DeployHandler{ecl: ecl, hub: hub}))
mux.Handle("/lock", auth.Authenticate(lock.NewLock(ecl)))
mux.Handle("/unlock", auth.Authenticate(lock.NewUnlock(ecl)))
mux.Handle("/comment", auth.Authenticate(comment.New(ecl)))
mux.HandleFunc("/auth/github/login", auth.LoginHandler)
mux.HandleFunc("/auth/github/callback", auth.CallbackHandler)
return mux, nil
}
func main() {
flag.Parse()
glog.Infof("Starting Goship...")
ctx := context.Background()
ctx, cancel := context.WithCancel(ctx)
defer cancel()
auth.Initialize(auth.User{Name: *defaultUser, Avatar: *defaultAvatar}, []byte(*cookieSessionHash))
h, err := buildHandler(ctx)
if err != nil {
glog.Fatal(err)
}
w := io.WriteCloser(os.Stdout)
if *requestLog != "-" {
w, err = os.OpenFile(*requestLog, os.O_APPEND|os.O_CREATE, 0644)
if err != nil {
glog.Fatalf("Cannot open request log %s: %v", *requestLog, err)
}
defer w.Close()
}
h = ghandlers.CombinedLoggingHandler(w, h)
fmt.Printf("Running on %s\n", *bindAddress)
s := &http.Server{
Addr: *bindAddress,
Handler: h,
}
if err := s.ListenAndServe(); err != nil {
glog.Fatal(err)
}
}