rework bird role and add debian support

tasks/RedHat/7.yaml

@@ -1,20 +0,0 @@
----
-- name: Install BIRD
-  package: 
-    name: bird2
-    state: present
-
-- name: Add BIRD config
-  template:
-    src: bird.conf.j2
-    dest: /etc/bird.conf
-  notify:
-    - Reload BIRD
-
-- name: Start BIRD service
-  systemd:
-    name: bird
-    state: started
-    enabled: yes
-    daemon_reload: yes
-

tasks/RedHat/8.yaml

@@ -1,19 +0,0 @@
----
-- name: Install BIRD
-  package:
-    name: bird
-    state: present
-
-- name: Add BIRD config
-  template:
-    src: bird.conf.j2
-    dest: /etc/bird.conf
-  notify:
-    - Reload BIRD
-
-- name: Start BIRD service
-  systemd:
-    name: bird
-    state: started
-    enabled: yes
-    daemon_reload: yes

tasks/RedHat/main.yaml

@@ -0,0 +1,42 @@
+---
+- name: Install bird
+  package:
+    name: "{{ bird_package }}"
+    state: present
+  register: bird_setup
+
+- name: Add bird.conf
+  template:
+    src: bird.conf.j2
+    dest: /etc/bird.conf
+  notify:
+    - Reload bird
+
+- name: Template default bird.conf config
+  when: bird_config_override is not defined
+  block:
+  - name: Add bird.conf
+    template:
+      src: "bird.conf.j2"
+      dest: "/etc/bird.conf"
+    notify:
+      - Reload bird
+  
+- name: Template bird.conf override
+  when: bird_config_override is defined
+  block:
+  - name: Override bird.conf
+    copy:
+      content: "{{ bird_config_override }}"
+      dest: "/etc/bird.conf"
+    notify:
+      - Reload bird
+
+- name: Enable and start bird service
+  systemd:
+    name: "{{ bird_unit_name }}"
+    state: started
+    enabled: yes
+    masked: no
+    daemon_reload: yes
+  register: bird_enable_and_start