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main.go
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main.go
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package main
import (
"io"
"log"
"net/http"
"os"
"github.com/gorilla/mux"
"github.com/kaginawa/kaginawa-server"
)
const defaultPort = "8080"
var db kaginawa.DB
func main() {
// Initialize html template
initTemplate("template")
// Initialize OAuth
if err := initOAuth(); err != nil {
log.Fatal(err)
}
// Initialize database
mongoURI := os.Getenv("MONGODB_URI")
dynamoKeys := os.Getenv("DYNAMO_KEYS")
sessionTTL := 0
if len(mongoURI) > 0 {
mongoDB, err := kaginawa.NewMongoDB(mongoURI)
if err != nil {
log.Fatalf("failed to initialize database: %v", err)
}
db = mongoDB
} else if len(dynamoKeys) > 0 {
dynamoDB, err := kaginawa.NewDynamoDB()
if err != nil {
log.Fatalf("failed to initialize database: %v", err)
}
db = dynamoDB
sessionTTL = dynamoDB.SessionTTLSeconds()
} else {
log.Fatal("Database not configured!")
}
// Initialize session
if err := initSession(sessionTTL); err != nil {
log.Fatal(err)
}
// Load api keys
apiKeys, err := db.ListAPIKeys()
if err != nil {
log.Fatalf("failed to list api keys: %v", err)
}
log.Printf("%d api keys loaded.", len(apiKeys))
// Load ssh servers
servers, err := db.ListSSHServers()
if err != nil {
log.Fatalf("failed to list ssh servers: %v", err)
}
log.Printf("%d ssh servers loaded.", len(servers))
// Start listing
port := os.Getenv("PORT")
if port == "" {
port = defaultPort
}
r := mux.NewRouter()
r.HandleFunc("/", handleIndex)
r.HandleFunc("/favicon.ico", handleFavicon)
r.HandleFunc("/report", handleReport)
r.HandleFunc("/login", handleOAuthLogin)
r.HandleFunc("/callback", handleOAuthLoginCallback)
r.HandleFunc("/logout", handleOAuthLogout)
r.HandleFunc("/logout-complete", handleOAuthLogoutComplete)
r.HandleFunc("/find", handleFind)
r.HandleFunc("/nodes", handleNodes)
r.HandleFunc("/nodes/{id}", handleNode)
r.HandleFunc("/nodes/{id}/command", handleCommand)
r.HandleFunc("/nodes/{id}/histories", handleHistories)
r.HandleFunc("/nodes/{id}/delete", handleNodeDelete)
r.HandleFunc("/admin", handleAdmin)
r.HandleFunc("/new-key", handleNewAPIKey)
r.HandleFunc("/new-server", handleNewSSHServer)
r.HandleFunc("/servers/{id}", handleSSHServer)
r.HandleFunc("/measure/{kb}", handleMeasure)
r.PathPrefix("/assets/").Handler(http.StripPrefix("/assets/", http.FileServer(http.Dir("./assets"))))
log.Printf("Starting kaginawa server at port %s", port)
log.Println(http.ListenAndServe(":"+port, r))
}
func safeClose(closer io.Closer, name string) {
if err := closer.Close(); err != nil {
log.Printf("failed to close %s: %v", name, err)
}
}
func getEnvs(keys ...string) string {
for _, key := range keys {
value := os.Getenv(key)
if len(value) > 0 {
return value
}
}
return ""
}