From 6fd416051ea6be2b4499fe728ecc27c29dcd37cf Mon Sep 17 00:00:00 2001
From: Markus Hauschild <markus@moepman.eu>
Date: Tue, 23 Jan 2018 18:45:11 +0100
Subject: [PATCH] bird: IPv4 backbone L3 routing

---
 roles/bird/handlers/main.yml      |  7 +++++++
 roles/bird/tasks/main.yml         | 14 ++++++++++++++
 roles/bird/templates/bird.conf.j2 | 29 +++++++++++++++++++++++++++++
 site.yml                          |  1 +
 4 files changed, 51 insertions(+)
 create mode 100644 roles/bird/handlers/main.yml
 create mode 100644 roles/bird/tasks/main.yml
 create mode 100644 roles/bird/templates/bird.conf.j2

diff --git a/roles/bird/handlers/main.yml b/roles/bird/handlers/main.yml
new file mode 100644
index 0000000..90c34d8
--- /dev/null
+++ b/roles/bird/handlers/main.yml
@@ -0,0 +1,7 @@
+---
+
+- name: Restart bird
+  service: name=bird state=restarted
+
+- name: Restart bird6
+  service: name=bird6 state=restarted
diff --git a/roles/bird/tasks/main.yml b/roles/bird/tasks/main.yml
new file mode 100644
index 0000000..c014448
--- /dev/null
+++ b/roles/bird/tasks/main.yml
@@ -0,0 +1,14 @@
+---
+
+- name: Install bird
+  apt: package={{ item }}
+  with_items:
+  - bird
+  - bird6
+
+- name: Configure bird
+  template: src=bird.conf.j2 dest=/etc/bird/bird.conf
+  notify: Restart bird
+
+- name: Enable bird
+  service: name=bird state=started enabled=yes
diff --git a/roles/bird/templates/bird.conf.j2 b/roles/bird/templates/bird.conf.j2
new file mode 100644
index 0000000..3825cdd
--- /dev/null
+++ b/roles/bird/templates/bird.conf.j2
@@ -0,0 +1,29 @@
+# {{ ansible_managed }}
+
+log syslog all;
+
+router id {{ ansible_default_ipv4.address }};
+
+timeformat protocol iso long;
+
+protocol device {
+	 scan time 10;
+}
+
+protocol kernel {
+	metric 64;	# Use explicit kernel route metric to avoid collisions
+			# with non-BIRD routes in the kernel routing table
+	import none;
+	export all;	# Actually insert routes into the kernel routing table
+}
+
+protocol ospf bbmesh {
+	area 0 {
+		interface "br-*" {
+			stub yes;
+		};
+		interface "tun-*" {
+			type ptp;
+		};
+	};
+}
diff --git a/site.yml b/site.yml
index 784fc88..88c304d 100644
--- a/site.yml
+++ b/site.yml
@@ -11,6 +11,7 @@
   hosts: [gw11.regensburg.freifunk.net, gw21.regensburg.freifunk.net, gw31.regensburg.freifunk.net]
   roles:
   - batman
+  - bird
   - fastd
   - mesh-interfaces
   - exit-ipv4