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install.go
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install.go
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package main
import (
"code.cloudfoundry.org/cfdev/daemon"
"fmt"
"io"
"os"
"path/filepath"
)
func install(programSrc string, args []string) error {
var (
lctl = daemon.New("")
label = "org.cloudfoundry.cfdevd"
program = "/Library/PrivilegedHelperTools/org.cloudfoundry.cfdevd"
programArgs = append([]string{program}, args...)
)
cfdevdSpec := daemon.DaemonSpec{
Label: label,
Program: program,
ProgramArguments: programArgs,
RunAtLoad: false,
Sockets: map[string]string{
sockName: "/var/tmp/cfdevd.socket",
},
StdoutPath: "/var/tmp/cfdevd.stdout.log",
StderrPath: "/var/tmp/cfdevd.stderr.log",
}
isRunning, err := lctl.IsRunning(label)
if err != nil {
return fmt.Errorf("checking if analyticsd is running: %s", err)
}
if isRunning {
return nil
}
if err := copyExecutable(programSrc, program); err != nil {
return fmt.Errorf("failed to copy cfdevd: %s", err)
}
if err := lctl.AddDaemon(cfdevdSpec); err != nil {
return fmt.Errorf("failed to install cfdevd: %s", err)
}
return nil
}
func copyExecutable(src string, dest string) error {
if err := os.MkdirAll(filepath.Dir(dest), 0755); err != nil {
return err
}
target, err := os.Create(dest)
if err != nil {
return err
}
defer target.Close()
if err = os.Chmod(dest, 0744); err != nil {
return err
}
binData, err := os.Open(src)
if err != nil {
return err
}
defer binData.Close()
_, err = io.Copy(target, binData)
return err
}