diff --git a/panoramix/static/panoramix.js b/panoramix/static/panoramix.js
index a7a59271c..7d97d273e 100644
--- a/panoramix/static/panoramix.js
+++ b/panoramix/static/panoramix.js
@@ -64,7 +64,7 @@ function initializeDatasourceView() {
     }
   })
   add_filter();
-  $("#druidify").click(druidify);
+  $(".druidify").click(druidify);
 
   function create_choices(term, data) {
     var filtered = $(data).filter(function() {
diff --git a/panoramix/templates/panoramix/datasource.html b/panoramix/templates/panoramix/datasource.html
index cedb23dea..2838585d6 100644
--- a/panoramix/templates/panoramix/datasource.html
+++ b/panoramix/templates/panoramix/datasource.html
@@ -8,11 +8,16 @@
       <h3>
         {{ datasource.name }}
         {% if datasource.description %}
-        <i class="fa fa-info-circle" data-toggle="tooltip" data-placement="bottom" title="{{ datasource.description }}"></i>
+          <i class="fa fa-info-circle" data-toggle="tooltip" data-placement="bottom" title="{{ datasource.description }}"></i>
         {% endif %}
-        <a href="/{{ datasource.baselink }}/edit/{{ datasource.id }}">
-          <i class="fa fa-edit"></i>
-        </a>
+        <div class="btn-group pull-right" role="group" >
+          <a class="btn btn-default" href="/{{ datasource.baselink }}/edit/{{ datasource.id }}" data-toggle="tooltip" title="Edit datasource">
+            <i class="fa fa-edit"></i>
+          </a>
+          <button type="button" class="btn btn-default druidify" data-toggle="tooltip" title="Druidify!">
+            <i class="fa fa-bolt"></i>
+          </button>
+        </div>
       </h3>
 
       <hr>
@@ -68,7 +73,7 @@
           <span class="glyphicon glyphicon-plus" aria-hidden="true"></span>
         </button>
         <hr>
-        <button type="button" class="btn btn-primary" id="druidify">
+        <button type="button" class="btn btn-primary druidify">
           <i class="fa fa-bolt"></i>
           Druidify!
         </button>
diff --git a/panoramix/utils.py b/panoramix/utils.py
index 99e1c8230..0a9fa621f 100644
--- a/panoramix/utils.py
+++ b/panoramix/utils.py
@@ -63,6 +63,12 @@ def dttm_from_timtuple(d):
         d.tm_year, d.tm_mon, d.tm_mday, d.tm_hour, d.tm_min, d.tm_sec)
 
 
+def merge_perm(sm, permission_name, view_menu_name):
+    pv = sm.find_permission_view_menu(permission_name, view_menu_name)
+    if not pv:
+        sm.add_permission_view_menu(permission_name, view_menu_name)
+
+
 def parse_human_timedelta(s):
     """
     Use the parsedatetime lib to return ``datetime.datetime`` from human
@@ -118,9 +124,12 @@ def init():
     """
     from panoramix import appbuilder
     from panoramix import models
+    from flask_appbuilder.security.sqla import models as ab_models
     sm = appbuilder.sm
     alpha = sm.add_role("Alpha")
-    from flask_appbuilder.security.sqla import models as ab_models
+
+    merge_perm(sm, 'all_datasource_access', 'all_datasource_access')
+
     perms = db.session.query(ab_models.PermissionView).all()
     for perm in perms:
         if perm.view_menu.name not in (
@@ -142,10 +151,13 @@ def init():
                     'can_save',
                     'can_download',
                     'muldelete',
+                    'all_datasource_access',
                 )):
             sm.add_permission_role(gamma, perm)
     session = db.session()
-    for table in session.query(models.SqlaTable).all():
-        sm.add_permission_view_menu('datasource_access', table.perm)
-    for druid_datasource in session.query(models.Datasource).all():
-        sm.add_permission_view_menu('datasource_access', druid_datasource.perm)
+    table_perms = [
+            table.perm for table in session.query(models.SqlaTable).all()]
+    table_perms += [
+            table.perm for table in session.query(models.Datasource).all()]
+    for table_perm in table_perms:
+        merge_perm(sm, 'datasource_access', table.perm)
diff --git a/panoramix/views.py b/panoramix/views.py
index 9c803c967..bb5b43572 100644
--- a/panoramix/views.py
+++ b/panoramix/views.py
@@ -11,7 +11,7 @@ from pydruid.client import doublesum
 from sqlalchemy import create_engine
 from wtforms.validators import ValidationError
 
-from panoramix import appbuilder, db, models, viz, utils, app
+from panoramix import appbuilder, db, models, viz, utils, app, sm
 
 config = app.config
 
@@ -124,10 +124,17 @@ class TableView(PanoramixModelView, DeleteMixin):
     related_views = [TableColumnInlineView, SqlMetricInlineView]
 
     def post_add(self, table):
-        table.fetch_metadata()
+        try:
+            table.fetch_metadata()
+        except Exception as e:
+            flash(
+            "Table [{}] doesn't seem to exist, "
+            "couldn't fetch metadata".format(table.table_name),
+            "danger")
+        utils.merge_perm(sm, 'datasource_access', table.perm)
 
     def post_update(self, table):
-        table.fetch_metadata()
+        self.post_add(table)
 
 appbuilder.add_view(
     TableView,
@@ -203,10 +210,10 @@ class DatasourceModelView(PanoramixModelView, DeleteMixin):
 
     def post_add(self, datasource):
         datasource.generate_metrics()
+        utils.merge_perm(sm, 'datasource_access', table.perm)
 
     def post_update(self, datasource):
-        datasource.generate_metrics()
-
+        self.post_add(datasource)
 
 appbuilder.add_view(
     DatasourceModelView,
@@ -244,10 +251,11 @@ class Panoramix(BaseView):
                 .first()
             )
 
-        if 'Gamma' in [r.name for r in g.user.roles]:
+            all_datasource_access = self.appbuilder.sm.has_access(
+                'all_datasource_access', 'all_datasource_access')
             datasource_access = self.appbuilder.sm.has_access(
                 'datasource_access', datasource.perm)
-            if not datasource_access:
+            if not all_datasource_access or not datasource_access:
                 flash(
                     "You don't seem to have access to this datasource",
                     "danger")