diff --git a/config.yaml b/config.yaml
index ecf5c48..418c719 100644
--- a/config.yaml
+++ b/config.yaml
@@ -1,4 +1,7 @@
 options:
+    source:
+        type: string
+        description: Package install location for Percona XtraDB Cluster (defaults to distro for >= 14.04)
     dataset-size:
         default: '80%'
         type: string
diff --git a/hooks/mysql.py b/hooks/mysql.py
index bcbfed3..8324867 100644
--- a/hooks/mysql.py
+++ b/hooks/mysql.py
@@ -21,6 +21,7 @@ except ImportError:
 
 
 class MySQLHelper():
+
     def __init__(self, host='localhost'):
         self.host = host
 
@@ -120,13 +121,13 @@ def get_mysql_password(username=None, password=None):
     else:
         mkdir(os.path.dirname(_passwd_file),
               owner='root', group='root',
-              perms=0770)
+              perms=0o770)
         # Force permissions - for some reason the chmod in makedirs fails
-        os.chmod(os.path.dirname(_passwd_file), 0770)
+        os.chmod(os.path.dirname(_passwd_file), 0o770)
         _password = password or pwgen(length=32)
         write_file(_passwd_file, _password,
                    owner='root', group='root',
-                   perms=0660)
+                   perms=0o660)
     return _password
 
 
diff --git a/hooks/percona_hooks.py b/hooks/percona_hooks.py
index 46b18f3..78d4b27 100755
--- a/hooks/percona_hooks.py
+++ b/hooks/percona_hooks.py
@@ -19,11 +19,13 @@ from charmhelpers.core.hookenv import (
 from charmhelpers.core.host import (
     service_restart,
     file_hash,
-    write_file
+    write_file,
+    lsb_release
 )
 from charmhelpers.fetch import (
     apt_update,
     apt_install,
+    add_source,
 )
 from percona_utils import (
     PACKAGES,
@@ -56,7 +58,11 @@ hooks = Hooks()
 
 @hooks.hook('install')
 def install():
-    setup_percona_repo()
+    if config('source') is None and \
+            lsb_release()['DISTRIB_CODENAME'] < 'trusty':
+        setup_percona_repo()
+    elif config('source') is not None:
+        add_source(config('source'))
     configure_mysql_root_password(config('root-password'))
     render_config()  # Render base configuation (no cluster)
     apt_update(fatal=True)
@@ -78,7 +84,7 @@ def render_config(clustered=False, hosts=[]):
     context.update(parse_config())
     write_file(path=MY_CNF,
                content=render_template(os.path.basename(MY_CNF), context),
-               perms=0444)
+               perms=0o444)
 
 
 @hooks.hook('cluster-relation-joined')
@@ -235,7 +241,7 @@ def ha_relation_joined():
     resource_params = {
         'res_mysql_vip': 'params ip="%s" cidr_netmask="%s" nic="%s"' %
                          (vip, vip_cidr, vip_iface),
-        }
+    }
     groups = {'grp_percona_cluster': 'res_mysql_vip'}
 
     for rel_id in relation_ids('ha'):
diff --git a/hooks/percona_utils.py b/hooks/percona_utils.py
index 9bcff4a..bbb6554 100644
--- a/hooks/percona_utils.py
+++ b/hooks/percona_utils.py
@@ -111,12 +111,15 @@ def configure_sstuser(sst_password):
 def configure_mysql_root_password(password):
     ''' Configure debconf with root password '''
     dconf = Popen(['debconf-set-selections'], stdin=PIPE)
-    package = "percona-server-server"
+    # Set both percona and mysql password options to cover
+    # both upstream and distro packages.
+    packages = ["percona-server-server", "mysql-server"]
     root_pass = get_mysql_root_password(password)
-    dconf.stdin.write("%s %s/root_password password %s\n" %
-                      (package, package, root_pass))
-    dconf.stdin.write("%s %s/root_password_again password %s\n" %
-                      (package, package, root_pass))
+    for package in packages:
+        dconf.stdin.write("%s %s/root_password password %s\n" %
+                          (package, package, root_pass))
+        dconf.stdin.write("%s %s/root_password_again password %s\n" %
+                          (package, package, root_pass))
     dconf.communicate()
     dconf.wait()