go-watchdog/cmd/watchdog/installer/install_darwin.go

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2019-06-27 08:54:51 +00:00
package installer
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"text/template"
"git.rootprojects.org/root/watchdog.go/cmd/watchdog/installer/static"
)
func install(c *Config) error {
// Darwin-specific config options
if c.PrivilegedPorts {
if !c.System {
return fmt.Errorf("You must use root-owned LaunchDaemons (not user-owned LaunchAgents) to use priveleged ports on OS X")
}
}
plistDir := "/Library/LaunchDaemons/"
if !c.System {
plistDir = filepath.Join(c.home, "Library/LaunchAgents")
}
// Check paths first
err := os.MkdirAll(filepath.Dir(plistDir), 0750)
if nil != err {
return err
}
// Create service file from template
b, err := static.ReadFile("dist/Library/LaunchDaemons/_rdns_.plist.tmpl")
if err != nil {
return err
}
s := string(b)
rw := &bytes.Buffer{}
// not sure what the template name does, but whatever
tmpl, err := template.New("service").Parse(s)
if err != nil {
return err
}
err = tmpl.Execute(rw, c)
if nil != err {
return err
}
// Write the file out
// TODO rdns
plistName := c.Name + ".plist"
plistPath := filepath.Join(plistDir, plistName)
if err := ioutil.WriteFile(plistPath, rw.Bytes(), 0644); err != nil {
fmt.Println("Use 'sudo' to install as a privileged system service.")
fmt.Println("Use '--userspace' to install as an user service.")
return fmt.Errorf("ioutil.WriteFile error: %v", err)
}
fmt.Printf("Installed. To start '%s' run the following:\n", c.Name)
// TODO template config file
fmt.Printf("\tlaunchctl load -w %s\n", strings.Replace(plistPath, c.home, "~", 1))
return nil
}