dashboard: View library policies

This commit is to list library policies through congress-dashboard

TODO: show rules
      activate policy

Partially-Implements blueprint add-policy-library-gui

Change-Id: Iff59145001af7df9afb3c654346fada3c451e966

congress_dashboard/api/congress.py

@@ -335,3 +335,17 @@ def delete_datasource(request, datasource_name):
     except Exception:
         LOG.exception("deleting datasource %s failed", datasource_name)
         raise
+
+
+def list_policies_from_library(request):
+    client = congressclient(request)
+    try:
+        results = client.list_library_policy()['results']
+        policies = []
+        for p in results:
+            policy = PolicyAPIDictWrapper(p)
+            policies.append(policy)
+        return policies
+    except Exception:
+        LOG.exception("List library policies failed")
+        raise

congress_dashboard/enabled/_80_library.py

@@ -0,0 +1,5 @@
+PANEL = 'library'
+PANEL_DASHBOARD = 'admin'
+PANEL_GROUP = 'policy'
+ADD_PANEL = 'congress_dashboard.library.panel.PolicyLibrary'
+AUTO_DISCOVER_STATIC_FILES = True

congress_dashboard/library/panel.py

@@ -0,0 +1,25 @@
+# Copyright 2017 NEC, Corp
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+from django.utils.translation import ugettext_lazy as _
+import horizon
+from openstack_dashboard.dashboards.admin import dashboard
+
+
+class PolicyLibrary(horizon.Panel):
+    name = _("Library")
+    slug = "library"
+    permissions = ('openstack.roles.admin',)
+
+dashboard.Admin.register(PolicyLibrary)

congress_dashboard/library/tables.py

@@ -0,0 +1,29 @@
+# Copyright 2017 NEC, Corp
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+from django.utils.translation import ugettext_lazy as _
+from horizon import tables
+
+
+class LibraryTable(tables.DataTable):
+    id = tables.Column("id", verbose_name=_("Policy ID"), hidden=True,
+                       sortable=False)
+    name = tables.Column("name", verbose_name=_("Policy Name"))
+    desc = tables.WrappingColumn("description", verbose_name=_("Description"),
+                                 sortable=False)
+
+    class Meta(object):
+        name = "policy_library"
+        verbose_name = _("Policy Library")
+        hidden_title = True

congress_dashboard/library/templates/library/index.html

@@ -0,0 +1,12 @@
+{% extends 'base.html' %}
+{% load i18n %}
+{% block title %}{% trans "Policies" %}{% endblock %}
+
+{% block page_header %}
+  {% include "horizon/common/_page_header.html" with title=_("Policy Library") %}
+{% endblock page_header %}
+
+{% block main %}
+  <div id="library">
+    {{policy_library_table.render}}
+{% endblock %}

congress_dashboard/library/urls.py

@@ -0,0 +1,22 @@
+# Copyright 2017 NEC, Corp
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+from django.conf.urls import url
+
+from congress_dashboard.library import views
+
+
+urlpatterns = [
+    url(r'^$', views.IndexView.as_view(), name='index'),
+]

congress_dashboard/library/views.py

@@ -0,0 +1,40 @@
+# Copyright 2017 NEC, Corp
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import logging
+
+from django.utils.translation import ugettext_lazy as _
+from horizon import messages
+from horizon import tables
+
+from congress_dashboard.api import congress
+from congress_dashboard.library import tables as library_tables
+
+LOG = logging.getLogger(__name__)
+
+
+class IndexView(tables.DataTableView):
+    """List policies from library."""
+    table_class = library_tables.LibraryTable
+    template_name = 'admin/library/index.html'
+
+    def get_data(self):
+        try:
+            policies = congress.list_policies_from_library(self.request)
+            return policies
+        except Exception as e:
+            msg = _('Unable to list library policies: %s') % str(e)
+            LOG.exception(msg)
+            messages.error(self.request, msg)
+            return []