Add blazar dashboard into horizon

Change-Id: I1dfd7fa99a5422877b579caf9bae984fcd5c38a5
Closes-Bug: #1792951

defaults/main.yml

@@ -36,6 +36,10 @@ horizon_developer_mode: false
 horizon_git_repo: https://git.openstack.org/openstack/horizon
 horizon_git_install_branch: master
 
+## The git source/branch for the Blazar UI plugin
+blazar_dashboard_git_repo: https://git.openstack.org/openstack/blazar-dashboard
+blazar_dashboard_git_install_branch: master
+
 ## The git source/branch for the Magnum UI plugin
 magnum_dashboard_git_repo: https://git.openstack.org/openstack/magnum-ui
 magnum_dashboard_git_install_branch: master
@@ -59,6 +63,7 @@ heat_dashboard_git_install_branch: master
 ## The packages to build from source (used in developer mode)
 horizon_developer_constraints:
   - "git+{{ horizon_git_repo }}@{{ horizon_git_install_branch }}#egg=horizon"
+  - "git+{{ blazar_dashboard_git_repo }}@{{ blazar_dashboard_git_install_branch }}#egg=blazar-dashboard"
   - "git+{{ magnum_dashboard_git_repo }}@{{ magnum_dashboard_git_install_branch }}#egg=magnum-ui"
   - "git+{{ designate_dashboard_git_repo }}@{{ designate_dashboard_git_install_branch }}#egg=designate_dashboard"
   - "git+{{ trove_dashboard_git_repo }}@{{ trove_dashboard_git_install_branch }}#egg=trove_dashboard"
@@ -227,6 +232,9 @@ horizon_launch_instance_defaults:
   disable_volume_snapshot: False
   create_volume: True
 
+## Blazar UI Panel
+horizon_enable_blazar_ui: False
+
 ## Ironic UI Panel
 horizon_enable_ironic_ui: False
 
@@ -331,6 +339,8 @@ horizon_pip_packages:
 # Optional pip packages for additional dashboards
 # TODO(odyssey4me):
 # Simplify this when we are no longer using the py_pkgs plugin
+horizon_blazar_optional_pip_packages:
+  - blazar_dashboard
 horizon_designate_optional_pip_packages:
   - designate_dashboard
 horizon_heat_optional_pip_packages:

releasenotes/notes/blazar-horizon-panel-d5ba19273b21d7aa.yaml

@@ -0,0 +1,9 @@
+---
+features:
+  - |
+    The blazar dashboard is available in Horizon. Deployers can enable
+    the panel by setting the following Ansible variable:
+
+    .. code-block:: yaml
+
+        horizon_enable_blazar_ui: True

tasks/horizon_install_source.yml

@@ -69,6 +69,7 @@
     venv_pip_install_args: "{{ horizon_pip_install_args }}"
     venv_pip_packages: >-
       {{ horizon_pip_packages + horizon_optional_pip_packages +
+         (horizon_enable_blazar_ui | bool) | ternary(horizon_blazar_optional_pip_packages, []) +
          (horizon_enable_designate_ui | bool) | ternary(horizon_designate_optional_pip_packages, []) +
          (horizon_enable_heat_ui | bool) | ternary(horizon_heat_optional_pip_packages, []) +
          (horizon_enable_ironic_ui | bool) | ternary(horizon_ironic_optional_pip_packages, []) +