Date: Thu, 4 Jan 2024 08:41:05 +0000
Subject: [PATCH] Add Blazar support

---
 defaults/main.yml      | 9 +++++++++
 templates/nova.conf.j2 | 4 ++++
 vars/main.yml          | 6 ++++++
 3 files changed, 19 insertions(+)

diff --git a/defaults/main.yml b/defaults/main.yml
index bde5e6f..198935e 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -22,6 +22,12 @@ nova_designate_enabled: "{{ (groups['designate_all'] is defined) and (groups['de
 nova_notifications_designate: notifications_designate
 # Enable/Disable ceilometer configurations
 nova_ceilometer_enabled: "{{ (groups['ceilometer_all'] is defined) and (groups['ceilometer_all'] | length > 0) }}"
+# Enable/Disable blazar configurations
+nova_blazar_enabled: "{{ (groups['blazar_all'] is defined) and (groups['blazar_all'] | length > 0) }}"
+# nova_blazar_enabled: false
+# Scheduler filters for blazar.
+nova_blazar_scheduler_filters:
+  - BlazarFilter
 # Enable/Disable nova versioned notification
 nova_versioned_notification_enabled: False
 
@@ -515,6 +521,9 @@ nova_services:
 nova_novnc_pip_packages:
   - websockify
 
+nova_blazar_pip_packages:
+  - blazar-nova
+
 nova_compute_ironic_pip_packages:
   - python-ironicclient
 
diff --git a/templates/nova.conf.j2 b/templates/nova.conf.j2
index db1ade7..45db53a 100644
--- a/templates/nova.conf.j2
+++ b/templates/nova.conf.j2
@@ -331,6 +331,10 @@ discover_hosts_in_cells_interval = {{ nova_discover_hosts_in_cells_interval }}
 [filter_scheduler]
 max_io_ops_per_host = {{ nova_max_io_ops_per_host }}
 ram_weight_multiplier = {{ nova_ram_weight_multiplier }}
+available_filters = nova.scheduler.filters.all_filters
+{% if nova_blazar_enabled %}
+available_filters = blazarnova.scheduler.filters.blazar_filter.BlazarFilter
+{% endif %}
 enabled_filters = {{ _nova_scheduler_filters | join(',') }}
 host_subset_size = {{ nova_scheduler_host_subset_size }}
 track_instance_changes = {{ nova_scheduler_tracks_instance_changes }}
diff --git a/vars/main.yml b/vars/main.yml
index e2110be..c32ce21 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -32,6 +32,9 @@ nova_venv_packages: |-
   {%- if (nova_console_type == 'novnc') %}
   {%-   set _ = pkg_list.extend(nova_novnc_pip_packages) %}
   {%- endif %}
+  {%- if nova_blazar_enabled | bool %}
+  {%-   set _ = pkg_list.extend(nova_blazar_pip_packages) %}
+  {%- endif %}
   {%- if (nova_services['nova-compute']['group'] in group_names) %}
   {%-   if nova_virt_type == 'ironic' %}
   {%-     set _ = pkg_list.extend(nova_compute_ironic_pip_packages) %}
@@ -119,6 +122,9 @@ _nova_scheduler_filters: |-
   {% else %}
   {%   set filters = default_filters %}
   {% endif %}
+  {% if nova_blazar_enabled | bool %}
+  {%   set _ = filters.extend(nova_blazar_scheduler_filters) %}
+  {% endif %}
   {{ filters + nova_scheduler_extra_filters }}
 
 _qemu_default_conf_dict: |-
-- 
2.25.1