Deploy network interfaces from LDAP

Signed-off-by: Yohann D'ANELLO <ynerant@crans.org>

roles/network-interfaces/tasks/main.yml

@@ -0,0 +1,28 @@
+---
+- name: Install vlan support
+  apt:
+    update_cache: true
+    name: vlan
+    state: present
+  register: apt_result
+  retries: 3
+  until: apt_result is succeeded
+
+- name: Deploy default interfaces config
+  template:
+    src: network/interfaces.j2
+    dest: /etc/network/interfaces
+    mode: 0644
+
+- name: Remove cloud-init interface configuration
+  file:
+    path: /etc/network/interfaces.d/50-cloud-init
+    state: absent
+
+- name: Deploy interfaces config
+  template:
+    src: "network/interfaces.d/ifalias.j2"
+    dest: "/etc/network/interfaces.d/{{ '%02d' | format(item.id) }}-{{ item.name | replace('_', '-') }}"
+    mode: 0644
+  when: item.name in interfaces
+  loop: "{{ network_interfaces.vlan }}"

roles/network-interfaces/templates/network/interfaces.d/ifalias.j2

@@ -0,0 +1,55 @@
+{{ ansible_header | comment }}
+
+{% set vlan_name = (item.name | replace('_', '-')) %}
+{% set subnet_network = (query('ldap', 'network', vlan_name) | ipaddr('network')) %}
+{% set subnet_netmask = (query('ldap', 'network', vlan_name) | ipaddr('netmask')) %}
+{% set ips = query('ldap', 'ip', ansible_hostname, vlan_name) %}
+{% if (ips | ipv4 | length) > 0 %}
+auto {{ interfaces[item.name] }}
+iface {{ interfaces[item.name] }} inet static
+{% for ip in (ips | ipv4) %}
+	address {{ ip }}
+{% endfor %}
+	network {{ subnet_network }}
+	netmask {{ subnet_netmask }}
+{% if item.gateway is defined %}
+	gateway {{ item.gateway }}
+{% endif %}
+{% if item.metric is defined %}
+	metric {{ item.metric }}
+{% endif %}
+{% if item.dns is defined %}
+	dns-nameservers {{ item.dns }}
+{% endif %}
+{% if vlan_name == 'srv' %}
+	dns-search ynerant.fr
+{% else %}
+	dns-search {{ vlan_name }}.ynerant.fr
+{% endif %}
+	up /sbin/ip link set $IFACE alias {{ vlan_name }}
+{% if ansible_local.interfaces.sup_if_4 is defined %}
+{% if interfaces[item.name] in ansible_local.interfaces.sup_if_4 %}
+{% for line in ansible_local.interfaces.sup_if_4[interfaces[item.name]] %}
+	{{ line }}
+{% endfor %}
+{% endif %}
+{% endif %}
+{% endif %}
+
+{% if (ips | ipv6 | length) > 0 %}
+iface {{ interfaces[item.name] }} inet6 static
+{% for ip in (ips | ipv6) %}
+	address {{ ip }}/64
+{% endfor %}
+{% if item.gateway_v6 is defined %}
+	gateway {{ item.gateway_v6 }}
+{% endif %}
+	accept_ra 0
+{% if ansible_local.interfaces.sup_if_6 is defined %}
+{% if interfaces[item.name] in ansible_local.interfaces.sup_if_6 %}
+{% for line in ansible_local.interfaces.sup_if_6[interfaces[item.name]] %}
+	{{ line }}
+{% endfor %}
+{% endif %}
+{% endif %}
+{% endif %}

roles/network-interfaces/templates/network/interfaces.j2

@@ -0,0 +1,10 @@
+{{ ansible_header | comment }}
+
+# This file describes the network interfaces available on your system
+# and how to activate them. For more information, see interfaces(5).
+
+source /etc/network/interfaces.d/*
+
+# The loopback network interface
+auto lo
+iface lo inet loopback

roles/qemu-guest-agent/tasks/main.yml

@@ -8,3 +8,12 @@
   register: apt_result
   retries: 3
   until: apt_result is succeeded
+
+- name: Remove cloud-init
+  apt:
+    name: cloud-init
+    state: absent
+    purge: true
+  register: apt_result
+  retries: 3
+  until: apt_result is succeeded