serviceman/manager/install_darwin.go

133 lines
2.7 KiB
Go

package manager
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"text/template"
"git.rootprojects.org/root/go-serviceman/manager/static"
"git.rootprojects.org/root/go-serviceman/service"
)
const (
srvExt = ".plist"
srvSysPath = "/Library/LaunchDaemons"
srvUserPath = "Library/LaunchAgents"
)
var srvLen int
func init() {
srvLen = len(srvExt)
}
func start(system bool, home string, name string) error {
sys, user, err := getMatchingSrvs(home, name)
if nil != err {
return err
}
var service string
if system {
service, err = getOneSysSrv(sys, user, name)
if nil != err {
return err
}
service = filepath.Join(srvSysPath, service)
} else {
service, err = getOneUserSrv(home, sys, user, name)
if nil != err {
return err
}
service = filepath.Join(home, srvUserPath, service)
}
cmds := []Runnable{
Runnable{
Exec: "launchctl",
Args: []string{"unload", "-w", service},
Must: false,
},
Runnable{
Exec: "launchctl",
Args: []string{"load", "-w", service},
Must: true,
},
}
cmds = adjustPrivs(system, cmds)
fmt.Println()
fmt.Println("Starting launchd service...")
for i := range cmds {
exe := cmds[i]
fmt.Println("\t" + exe.String())
err := exe.Run()
if nil != err {
return err
}
}
fmt.Println()
return nil
}
func install(c *service.Service) 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 := srvSysPath
if !c.System {
plistDir = filepath.Join(c.Home, srvUserPath)
}
// Check paths first
err := os.MkdirAll(filepath.Dir(plistDir), 0755)
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.ReverseDNS + ".plist"
plistPath := filepath.Join(plistDir, plistName)
if err := ioutil.WriteFile(plistPath, rw.Bytes(), 0644); err != nil {
return fmt.Errorf("Error writing %s: %v", plistPath, err)
}
// TODO --no-start
err = start(c.System, c.Home, c.ReverseDNS)
if nil != err {
fmt.Printf("If things don't go well you should be able to get additional logging from launchctl:\n")
fmt.Printf("\tsudo launchctl log level debug\n")
fmt.Printf("\ttail -f /var/log/system.log\n")
return err
}
fmt.Printf("Added and started '%s' as a launchctl service.\n", c.Name)
return nil
}