Merge branch 'interfaces' into 'master'

Interfaces

See merge request nounous/ansible!16

interfaces.yml

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+#!/usr/bin/env ansible-playbook
+---
+# Get ifname of configured vlan for all servers
+- hosts: server
+  tasks:
+    - shell: "grep {{ item }} /sys/class/net/*/ifalias | sed \"s|/sys/class/net/||\" | sed \"s|/ifalias:.*||\""
+      check_mode: no
+      register: ifaces
+      loop:
+        - srv
+        - ens
+        - adm
+        - borne
+        - switch
+        - fil
+
+- hosts: boeing.adm.crans.org,cochon.adm.crans.org,tracker.adm.crans.org,voyager.adm.crans.org,lutim.adm.crans.org,gateau.adm.crans.org,owncloud-srv.adm.crans.org,charybde.adm.crans.org,cas-srv.adm.crans.org,fyre.adm.crans.org,silice.adm.crans.org
+  vars:
+    vlan:
+      - name: srv
+        id: 0
+        metric: 100
+        gateway: 185.230.79.254
+        dns: 185.230.79.152 185.230.79.4
+        dns_search: crans.org
+        ifnames: "{{ ifaces | json_query('results[?item==`srv`].stdout') }}"
+
+      - name: ens
+        id: 1
+        metric: 300
+        gateway: 138.231.136.254
+        dns: 138.231.136.152 138.231.136.4
+        dns_search: crans.org
+        ifnames: "{{ ifaces | json_query('results[?item==`ens`].stdout') }}"
+
+      - name: adm
+        id: 2
+        dns: 10.231.136.152 10.231.136.4
+        dns_search: adm.crans.org
+        ifnames: "{{ ifaces | json_query('results[?item==`adm`].stdout') }}"
+
+      - name: borne
+        id: 3
+        dns: 10.231.148.52 10.231.148.4
+        dns_search: borne.crans.org
+        ifnames: "{{ ifaces | json_query('results[?item==`borne`].stdout') }}"
+
+      - name: switch
+        id: 4
+        dns: 10.231.100.152 10.231.100.4
+        dns_search: switch.crans.org
+        ifnames: "{{ ifaces | json_query('results[?item==`switch`].stdout') }}"
+
+      - name: fil
+        id: 21
+        metric: 400
+        gateway: 10.54.0.254
+        dns: 10.54.0.152 10.54.0.4
+        dns_search: fil.crans.org
+        ifnames: "{{ ifaces | json_query('results[?item==`fil`].stdout') }}"
+
+      - name: adh
+        id: 23
+        metric: 200
+        gateway: 185.230.78.254
+        dns: 185.230.78.152 185.230.78.4
+        dns_search: crans.org
+        ifnames: "{{ ifaces | json_query('results[?item==`adh`].stdout') }}"
+  roles:
+    - interfaces

roles/interfaces/tasks/main.yml

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+---
+- 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: Deploy interfaces config
+  template:
+    src: "network/interfaces.d/ifalias.j2"
+    dest: "/etc/network/interfaces.d/{{ '%02d' | format(item.id) }}-{{ item.name }}"
+    mode: 0644
+  when: (item.ifnames | length > 0) and item.ifnames[0] != ''
+  loop: "{{ vlan }}"

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

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+{{ ansible_header | comment }}
+
+{% set ifconfig = hostvars[inventory_hostname]['ansible_' + item.ifnames[0]] %}
+auto {{ item.ifnames[0] }}
+iface {{ item.ifnames[0] }} inet static
+	address {{ ifconfig.ipv4.address }}
+	network {{ ifconfig.ipv4.network }}
+	netmask {{ ifconfig.ipv4.netmask }}
+	broadcast {{ ifconfig.ipv4.broadcast }}
+{% if item.gateway is defined %}
+	gateway {{ item.gateway }}
+{% endif %}
+{% if item.metric is defined %}
+	metric {{ item.metric }}
+{% endif %}
+	mtu 1496
+	dns-nameservers {{ item.dns }}
+	dns-search {{ item.dns_search }}
+	up /sbin/ip link set $IFACE alias {{ item.name }}
+{% if ansible_local.interfaces.sup_if_4 is defined %}
+{% if item.ifnames[0] in ansible_local.interfaces.sup_if_4 %}
+{% for line in ansible_local.interfaces.sup_if_4[item.ifnames[0]] %}
+	{{ line }}
+{% endfor %}
+{% endif %}
+{% endif %}
+
+iface {{ item.ifnames[0] }} inet6 static
+	address {{ ifconfig.ipv6[0].address }}/{{ ifconfig.ipv6[0].prefix }}
+{% if ansible_local.interfaces.sup_if_6 is defined %}
+{% if item.ifnames[0] in ansible_local.interfaces.sup_if_6 %}
+{% for line in ansible_local.interfaces.sup_if_6[item.ifnames[0]] %}
+	{{ line }}
+{% endfor %}
+{% endif %}
+{% endif %}

roles/interfaces/templates/network/interfaces.j2

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+{{ 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