Added function to update PHP from 5.5 to 5.6 on Ubuntu

ee/cli/plugins/stack_upgrade.py

@@ -5,6 +5,7 @@ from ee.core.variables import EEVariables
 from ee.core.aptget import EEAptGet
 from ee.core.apt_repo import EERepo
 from ee.core.services import EEService
+from ee.core.fileutils import EEFileUtils
 import configparser
 import os
 
@@ -31,6 +32,7 @@ class EEStackUpgradeController(CementBaseController):
 
     @expose(hide=True)
     def default(self):
+        # All package update
         if ((not self.app.pargs.php56)):
             # apt-get update
             EEAptGet.update(self)
@@ -46,3 +48,28 @@ class EEStackUpgradeController(CementBaseController):
             # Update packages
             Log.info(self, "Updating packages, please wait...")
             EEAptGet.dist_upgrade(self)
+            Log.info(self, "Successfully updated packages")
+
+        # PHP 5.6 to 5.6
+        elif (self.app.pargs.php56):
+            if not os.path.isfile("/etc/apt/sources.list.d/"
+                                  "ondrej-php5-trusty.list"):
+                Log.error("Unable to find PHP 5.5")
+            Log.info(self, "During PHP update process non nginx-cached"
+                     " parts of your site may remain down")
+
+            # Check prompt
+            if (not self.app.pargs.no_prompt):
+                start_upgrade = input("Do you want to continue:[y/N]")
+                if start_upgrade != "Y" and start_upgrade != "y":
+                    Log.error(self, "Not starting PHP package update")
+            EEFileUtils.remove(self, ['/etc/apt/sources.list.d/'
+                                      'ondrej-php5-trusty.list'])
+            EERepo.add(self, ppa=EEVariables.ee_php_repo)
+            Log.info(self, "Updating apt-cache, please wait...")
+            EEAptGet.update(self)
+            Log.info(self, "Installing packages, please wait ...")
+            EEAptGet.install(self, EEVariables.ee_php)
+            Log.info(self, "Successfully updated from PHP 5.5 to PHP 5.6")
+        else:
+            self.app.args.print_help()