began adding macos service/daemon

netclient/daemon/macos.go

@@ -0,0 +1,76 @@
+package daemon
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"text/template"
+
+	"github.com/gravitl/netmaker/netclient/ncutils"
+)
+
+const MAC_SERVICE_NAME = "com.gravitl.netclient"
+
+func CreateAndRunMacDaemon() error {
+	_, err := os.Stat("~/Library/LaunchAgents")
+	if os.IsNotExist(err) {
+		os.Mkdir("~/Library/LaunchAgents", 0744)
+	}
+	err = CreateMacService(MAC_SERVICE_NAME)
+	if err != nil {
+		return err
+	}
+	_, err = ncutils.RunCmd("launchctl load ~/Library/LaunchAgents/"+MAC_SERVICE_NAME+".plist", true)
+	return err
+}
+
+func CleanupMac() {
+	//StopWindowsDaemon()
+	//RemoveWindowsDaemon()
+	//os.RemoveAll(ncutils.GetNetclientPath())
+	log.Println("TODO: Not implemented yet")
+}
+
+func CreateMacService(servicename string) error {
+	tdata := MacTemplateData{
+		Label:     servicename,
+		Program:   "/etc/netclient/netclient",
+		KeepAlive: true,
+		RunAtLoad: true,
+	}
+	fileLoc := fmt.Sprintf("%s/Library/LaunchAgents/%s.plist", os.Getenv("HOME"), tdata.Label)
+	launchdFile, err := os.Open(fileLoc)
+	if err != nil {
+		return err
+	}
+	launchdTemplate := template.Must(template.New("launchdTemplate").Parse(MacTemplate()))
+	return launchdTemplate.Execute(launchdFile, tdata)
+}
+
+func MacTemplate() string {
+	return `
+<?xml version='1.0' encoding='UTF-8'?>
+ <!DOCTYPE plist PUBLIC \"-//Apple Computer//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\" >
+ <plist version='1.0'>
+   <dict>
+     <key>Label</key><string>{{.Label}}</string>
+     <key>Program</key><string>{{.Program}}</string>
+     <key>StandardOutPath</key><string>/tmp/{{.Label}}.out.log</string>
+     <key>StandardErrorPath</key><string>/tmp/{{.Label}}.err.log</string>
+     <key>KeepAlive</key><{{.KeepAlive}}/>
+     <key>RunAtLoad</key><{{.RunAtLoad}}/>
+	 <key>StartCalendarInterval</key>
+	 <dict>
+	 	<key>Minute</key>
+	 	<value>*/1</value>
+   	 </dict>
+</plist>
+`
+}
+
+type MacTemplateData struct {
+	Label     string
+	Program   string
+	KeepAlive bool
+	RunAtLoad bool
+}