AETHER-918 Initial commit of BIRD role

Change-Id: I00d3d893c2c571bb69aac3580f27e26afa0313fb
diff --git a/tasks/Debian.yml b/tasks/Debian.yml
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+++ b/tasks/Debian.yml
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+---
+# bird tasks/Debian.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+# Docs: https://launchpad.net/~cz.nic-labs/+archive/ubuntu/bird
+- name: Add BIRD apt repo key
+  apt_key:
+    data: "{{ lookup('file','bird_signing.key') }}"
+    state: "present"
+
+- name: Add BIRD package repo
+  apt_repository:
+    repo: >-
+      deb http://ppa.launchpad.net/cz.nic-labs/bird/{{ ansible_lsb['id'] | lower }}
+      {{ ansible_lsb['codename'] }} main
+    update_cache: true
+
+- name: Install BIRD packages (Debian)
+  apt:
+    name: "{{ bird_package }}"
+    state: "present"
+    update_cache: true
+    cache_valid_time: 3600
+  notify:
+    - start-bird
+
+- name: Enable BIRD Service
+  service:
+    name: "{{ bird_service }}"
+    enabled: true
diff --git a/tasks/main.yml b/tasks/main.yml
new file mode 100644
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+++ b/tasks/main.yml
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+---
+# bird tasks/main.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+- name: include OS-specific vars
+  include_vars: "{{ ansible_os_family }}.yml"
+
+- name: include OS-specific tasks
+  include_tasks: "{{ ansible_os_family }}.yml"
+
+- name: Create BIRD configuration from template
+  template:
+    src: "bird.conf.j2"
+    dest: "/etc/bird/bird.conf"
+    owner: "{{ bird_username }}"
+    group: "{{ bird_groupname }}"
+    mode: 0640
+  notify:
+    - reload-bird