1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
// Author: arnej
package configserver
import (
"fmt"
"github.com/vespa-engine/vespa/client/go/internal/admin/defaults"
"github.com/vespa-engine/vespa/client/go/internal/admin/trace"
"github.com/vespa-engine/vespa/client/go/internal/ioutil"
"github.com/vespa-engine/vespa/client/go/internal/list"
"github.com/vespa-engine/vespa/client/go/internal/util"
)
const (
PROG_NAME = "vespa-runserver"
)
type RunServer struct {
ServiceName string
Args []string
}
func (rs *RunServer) PidFile() string {
varRunDir := defaults.UnderVespaHome("var/run")
return fmt.Sprintf("%s/%s.pid", varRunDir, rs.ServiceName)
}
func (rs *RunServer) ProgPath() string {
p := fmt.Sprintf("%s/bin64/%s", defaults.VespaHome(), PROG_NAME)
if ioutil.IsExecutable(p) {
return p
}
p = fmt.Sprintf("%s/bin/%s", defaults.VespaHome(), PROG_NAME)
if ioutil.IsExecutable(p) {
return p
}
panic(fmt.Errorf("not an executable file: %s", p))
}
func (rs *RunServer) WouldRun() bool {
backticks := util.BackTicksForwardStderr
out, err := backticks.Run(rs.ProgPath(), "-s", rs.ServiceName, "-p", rs.PidFile(), "-W")
trace.Trace("output from -W:", out, "error:", err)
return err == nil
}
func (rs *RunServer) Exec(prog string) {
argv := list.ArrayList[string]{
PROG_NAME,
"-s", rs.ServiceName,
"-r", "30",
"-p", rs.PidFile(),
"--",
prog,
}
argv.AppendAll(rs.Args...)
err := util.Execvp(rs.ProgPath(), argv)
util.JustExitWith(err)
}
|