added check for stack is installed

ee/cli/plugins/mailstack.py

@@ -10,6 +10,8 @@ from ee.core.fileutils import EEFileUtils
 from ee.core.git import EEGit
 from ee.core.services import EEService
 from ee.cli.plugins.mysqlstack import EEMysqlStack
+from ee.cli.plugins.nginxstack import EENginxStack
+from ee.cli.plugins.phpstack import EEPhpStack
 from ee.core.logging import Log
 from ee.cli.main import app
 
@@ -39,10 +41,19 @@ class EEMailStack(EEStack):
         """
         Check if requirements for this EEWebmailAdmin stack are fullfilled.
         """
+
+        if not EENginxStack(self).is_installed():
+            self.log.info("Installing nginxstack")
+            EENginxStack(self).install_stack()
+
+        if not EEPhpStack(self).is_installed():
+            self.log.info("Installing phpstack")
+            EEPhpStack(self).install_stack()
+
         if not EEMysqlStack(self).is_installed():
-            self.log.info("EEWebmailAdmin stack requires Mysqlstack to be installed")
-            print("exiting")
-            sys.exit(2)
+            self.log.info("Installing mysqlstack")
+            EEMysqlStack(self).install_stack()
+   
 
     def _add_repo(self):
         """
@@ -303,8 +314,6 @@ class EEWebmailAdmin  (EEStack):
     def _pre_install(self):
         """
         """
-
-        self._requirement_check()
         for pkg in self.packages_name:
             print([self._get_package_url(pkg), '/tmp/{0}.tar.gz'.format(pkg), pkg])
             print()

ee/cli/plugins/nginxstack.py

@@ -362,3 +362,7 @@ class EENginxStack(EEStack):
     def purge_stack(self):
         self.log.info("Purging NGINX stack, please wait...")
         super(EENginxStack, self).purge_stack()
+
+    def is_installed(self):
+        self.log.info("Checking if nginx is installed")
+        return EEAptGet.is_installed(self, 'nginx-custom')

ee/cli/plugins/phpstack.py

@@ -226,3 +226,7 @@ class EEPhpStack(EEStack):
     def purge_stack(self):
         self.log.info("Purging PHP stack, please wait...")
         super(EEPhpStack, self).purge_stack()
+
+    def is_installed(self):
+        self.log.info("Checking if php5-fpm is installed")
+        return EEAptGet.is_installed(self, 'php5-fpm')