forked from sassoftware/relic
/
servecmd.go
106 lines (96 loc) · 2.67 KB
/
servecmd.go
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//
// Copyright (c) SAS Institute Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package servecmd
import (
"errors"
"fmt"
"log"
"net"
"net/http"
"github.com/sassoftware/relic/cmdline/shared"
"github.com/sassoftware/relic/server/daemon"
"github.com/spf13/cobra"
_ "net/http/pprof"
)
var ServeCmd = &cobra.Command{
Use: "serve",
Short: "Offer signing services over a HTTPS API",
RunE: serveCmd,
}
var argTest bool
func init() {
shared.RootCmd.AddCommand(ServeCmd)
ServeCmd.Flags().BoolP("force", "f", false, "(ignored)")
ServeCmd.Flags().BoolVarP(&argTest, "test", "t", false, "Test configuration and exit")
}
func MakeServer() (*daemon.Daemon, error) {
if err := shared.InitConfig(); err != nil {
return nil, err
}
if shared.CurrentConfig.Server == nil {
return nil, errors.New("Missing server section in configuration file")
}
if shared.CurrentConfig.Server.KeyFile == "" {
return nil, errors.New("Missing keyfile option in server configuration file")
}
if shared.CurrentConfig.Server.CertFile == "" {
return nil, errors.New("Missing certfile option in server configuration file")
}
if shared.CurrentConfig.Clients == nil {
return nil, errors.New("Missing clients section in configuration file")
}
if shared.CurrentConfig.Server.Listen == "" {
shared.CurrentConfig.Server.Listen = ":6300"
}
return daemon.New(shared.CurrentConfig, argTest)
}
func listenDebug() error {
if !shared.CurrentConfig.Server.ListenDebug {
return nil
}
lis, err := net.Listen("tcp", ":0")
if err != nil {
return err
}
fmt.Printf("Serving debug info on http://%s/debug/pprof/\n", lis.Addr())
go func() {
// pprof installs itself into the default handler on import
err := http.Serve(lis, nil)
if err != nil {
fmt.Println(err)
}
}()
return nil
}
func serveCmd(cmd *cobra.Command, args []string) error {
// let journald add timestamps
log.SetFlags(0)
srv, err := MakeServer()
if err != nil {
return shared.Fail(err)
} else if argTest {
fmt.Println("OK")
return nil
}
go watchSignals(srv)
if err := listenDebug(); err != nil {
return err
}
if err := srv.Serve(); err != nil && err != http.ErrServerClosed {
return shared.Fail(err)
}
return nil
}