added code for ee stack install --all,ee stack remove --all, ee stack purge --all

ee/cli/plugins/stack.py

@@ -40,6 +40,8 @@ class EEStackController(CementBaseController):
         stacked_type = 'nested'
         description = 'Stack command manages stack operations'
         arguments = [
+            (['--all'],
+                dict(help='Install web stack', action='store_true')),
             (['--web'],
                 dict(help='Install web stack', action='store_true')),
             (['--admin'],
@@ -1072,6 +1074,11 @@ class EEStackController(CementBaseController):
                (not self.app.pargs.mailscanner)):
                 self.app.pargs.web = True
 
+            if self.app.pargs.all:
+                self.app.pargs.web = True
+                self.app.pargs.admin = True
+                self.app.pargs.mail = True
+
             if self.app.pargs.web:
                 Log.debug(self, "Setting apt_packages variable for Nginx ,PHP"
                           " ,MySQL ")
@@ -1274,6 +1281,11 @@ class EEStackController(CementBaseController):
            (not self.app.pargs.mailscanner)):
             self.app.pargs.web = True
 
+        if self.app.pargs.all:
+            self.app.pargs.web = True
+            self.app.pargs.admin = True
+            self.app.pargs.mail = True
+
         if self.app.pargs.web:
             self.app.pargs.nginx = True
             self.app.pargs.php = True
@@ -1363,6 +1375,11 @@ class EEStackController(CementBaseController):
            (not self.app.pargs.mailscanner)):
             self.app.pargs.web = True
 
+        if self.app.pargs.all:
+            self.app.pargs.web = True
+            self.app.pargs.admin = True
+            self.app.pargs.mail = True
+
         if self.app.pargs.web:
             self.app.pargs.nginx = True
             self.app.pargs.php = True