From 55f30c4c68040b655272db42a9ba885e8bc7541e Mon Sep 17 00:00:00 2001
From: Kevin Carter <kevin.carter@rackspace.com>
Date: Wed, 13 Jan 2016 14:41:49 -0600
Subject: [PATCH] Add template option for the default horizon panel

The change adds the option to set the default panel within horizon.
this change is useful when a tenant has many hundreds of vms and
running into horizon login slowness due to poorly crafted api
calls and sql statements.

Change-Id: If3da12a466d4953a176ec8e45499bf1cd9452ae5
Closes-Bug: #1533830
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>
---
 defaults/main.yml                      | 3 +++
 tasks/horizon_post_install.yml         | 1 +
 tasks/horizon_pre_install.yml          | 1 +
 templates/80_admin_default_panel.py.j2 | 4 ++++
 4 files changed, 9 insertions(+)
 create mode 100644 templates/80_admin_default_panel.py.j2

diff --git a/defaults/main.yml b/defaults/main.yml
index f89a9ea5..4b46d565 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -128,6 +128,9 @@ horizon_enable_neutron_lbaas: False
 ## Swift
 horizon_swift_file_transfer_chunk_size: 524288
 
+## Panel
+horizon_default_panel: overview
+
 horizon_webroot: /
 
 horizon_listen_ports:
diff --git a/tasks/horizon_post_install.yml b/tasks/horizon_post_install.yml
index 9a28bfb7..d8175266 100644
--- a/tasks/horizon_post_install.yml
+++ b/tasks/horizon_post_install.yml
@@ -42,6 +42,7 @@
   with_items:
     - { src: "horizon_local_settings.py.j2", dest: "/etc/horizon/local_settings.py", mode: "0644" }
     - { src: "horizon-manage.py.j2", dest: "{{ horizon_bin }}/horizon-manage.py", mode: "0755" }
+    - { src: "80_admin_default_panel.py.j2", dest: "{{ horizon_lib_dir }}/openstack_dashboard/local/enabled/_80_admin_default_panel.py", mode: "0755" }
   notify: Restart apache2
   tags:
     - horizon-configs
diff --git a/tasks/horizon_pre_install.yml b/tasks/horizon_pre_install.yml
index 96f925f2..acbef044 100644
--- a/tasks/horizon_pre_install.yml
+++ b/tasks/horizon_pre_install.yml
@@ -164,6 +164,7 @@
     - { path: "{{ horizon_lib_dir }}/static", mode: "2755" }
     - { path: "{{ horizon_lib_dir }}/openstack_dashboard", mode: "2755" }
     - { path: "{{ horizon_lib_dir }}/openstack_dashboard/local", mode: "2755" }
+    - { path: "{{ horizon_lib_dir }}/openstack_dashboard/local/enabled", mode: "2755" }
   tags:
     - horizon-dirs
 
diff --git a/templates/80_admin_default_panel.py.j2 b/templates/80_admin_default_panel.py.j2
new file mode 100644
index 00000000..2ab8b5b3
--- /dev/null
+++ b/templates/80_admin_default_panel.py.j2
@@ -0,0 +1,4 @@
+PANEL = '{{ horizon_default_panel }}'
+PANEL_DASHBOARD = 'admin'
+PANEL_GROUP = 'admin'
+DEFAULT_PANEL = '{{ horizon_default_panel }}'