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// Copyright Yahoo. 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/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 util.IsExecutableFile(p) {
return p
}
p = fmt.Sprintf("%s/bin/%s", defaults.VespaHome(), PROG_NAME)
if util.IsExecutableFile(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 := util.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)
}
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