From 6eacc2ad5539abf37dc90cd378b44320f7758869 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Tue, 7 Jul 2020 22:09:19 +0200
Subject: refactor vm role names

---
 roles/vm/guest/network/handlers/main.yml         |  3 ++
 roles/vm/guest/network/tasks/main.yml            | 40 +++++++++++++++++
 roles/vm/guest/network/templates/interfaces.j2   | 56 ++++++++++++++++++++++++
 roles/vm/guest/network/templates/resolv.conf.j2  |  4 ++
 roles/vm/guest/network/templates/systemd.link.j2 |  5 +++
 5 files changed, 108 insertions(+)
 create mode 100644 roles/vm/guest/network/handlers/main.yml
 create mode 100644 roles/vm/guest/network/tasks/main.yml
 create mode 100644 roles/vm/guest/network/templates/interfaces.j2
 create mode 100644 roles/vm/guest/network/templates/resolv.conf.j2
 create mode 100644 roles/vm/guest/network/templates/systemd.link.j2

(limited to 'roles/vm/guest/network')

diff --git a/roles/vm/guest/network/handlers/main.yml b/roles/vm/guest/network/handlers/main.yml
new file mode 100644
index 00000000..f967fa86
--- /dev/null
+++ b/roles/vm/guest/network/handlers/main.yml
@@ -0,0 +1,3 @@
+---
+- name: rebuild initramfs
+  command: update-initramfs -u
diff --git a/roles/vm/guest/network/tasks/main.yml b/roles/vm/guest/network/tasks/main.yml
new file mode 100644
index 00000000..27a7682a
--- /dev/null
+++ b/roles/vm/guest/network/tasks/main.yml
@@ -0,0 +1,40 @@
+---
+- name: configure systemd link units
+  when: network_cooked.systemd_link is defined
+  block:
+  - name: remove legacy systemd.link units
+    loop:
+      - 50-virtio-kernel-names.link
+      - 99-default.link
+    file:
+      name: "/etc/systemd/network/{{ item }}"
+      state: absent
+
+  - name: install systemd network link units
+    loop: "{{ network_cooked.systemd_link.interfaces }}"
+    loop_control:
+      label: "{{ item.name }}"
+      index_var: interface_index
+    template:
+      src: systemd.link.j2
+      dest: "/etc/systemd/network/{{ '%02d' | format(interface_index + 11) }}-{{ item.name }}.link"
+    notify: rebuild initramfs
+
+
+- name: install basic interface config
+  template:
+    src: interfaces.j2
+    dest: /etc/network/interfaces
+    mode: 0644
+
+- name: remove resolvconf package
+  apt:
+    name: resolvconf
+    state: absent
+    force_apt_get: yes
+    purge: yes
+
+- name: generate resolv.conf
+  template:
+    src: resolv.conf.j2
+    dest: /etc/resolv.conf
diff --git a/roles/vm/guest/network/templates/interfaces.j2 b/roles/vm/guest/network/templates/interfaces.j2
new file mode 100644
index 00000000..8c288669
--- /dev/null
+++ b/roles/vm/guest/network/templates/interfaces.j2
@@ -0,0 +1,56 @@
+# 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
+{% for interface in network_cooked.interfaces %}
+
+
+auto {{ interface.name }}
+iface {{ interface.name }} inet static
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/autoconf
+  address {{ interface.address | ipaddr('address') }}
+  netmask {{ interface.address | ipaddr('netmask') }}
+{%   if 'overlay' in interface %}
+  up /bin/ip addr add dev $IFACE {{ interface.overlay }}/32
+{%     for route in interface.static_routes | default([]) %}
+  up /bin/ip route add {{ route.destination }} via {{ route.gateway }} src {{ interface.overlay }}
+{%     endfor %}
+{%     if 'gateway' in interface %}
+  up /bin/ip route add default via {{ interface.gateway }} src {{ interface.overlay }}
+  down /bin/ip route del default via {{ interface.gateway }} src {{ interface.overlay }}
+{%     for route in interface.static_routes | default([]) | reverse %}
+  down /bin/ip route del {{ route.destination }} via {{ route.gateway }} src {{ interface.overlay }}
+{%     endfor %}
+{%     endif %}
+  down /bin/ip addr del dev $IFACE {{ interface.overlay }}/32
+{%   else %}
+{%     if 'gateway' in interface %}
+  gateway {{ interface.gateway }}
+{%     endif %}
+{%     for route in interface.static_routes | default([]) %}
+  up /bin/ip route add {{ route.destination }} via {{ route.gateway }}
+{%     endfor %}
+{%     for route in interface.static_routes | default([]) | reverse %}
+  down /bin/ip route del {{ route.destination }} via {{ route.gateway }}
+{%     endfor %}
+{%   endif %}
+{%   if 'address6' in interface %}
+
+iface {{ interface.name }} inet6 static
+  address {{ interface.address6 }}
+{%     if 'gateway6' in interface %}
+  gateway {{ interface.gateway6 }}
+{%     endif %}
+{%     for route in interface.static_routes6 | default([]) %}
+  up /bin/ip -6 route add {{ route.destination }} via {{ route.gateway }}
+{%     endfor %}
+{%     for route in interface.static_routes6 | default([])  | reverse %}
+  down /bin/ip -6 route del {{ route.destination }} via {{ route.gateway }}
+{%     endfor %}
+{%   endif %}
+{% endfor %}
diff --git a/roles/vm/guest/network/templates/resolv.conf.j2 b/roles/vm/guest/network/templates/resolv.conf.j2
new file mode 100644
index 00000000..00aaafe3
--- /dev/null
+++ b/roles/vm/guest/network/templates/resolv.conf.j2
@@ -0,0 +1,4 @@
+{% for nsrv in network_cooked.nameservers %}
+nameserver {{ nsrv }}
+{% endfor %}
+search {{ network_cooked.domain }}
diff --git a/roles/vm/guest/network/templates/systemd.link.j2 b/roles/vm/guest/network/templates/systemd.link.j2
new file mode 100644
index 00000000..7093e164
--- /dev/null
+++ b/roles/vm/guest/network/templates/systemd.link.j2
@@ -0,0 +1,5 @@
+[Match]
+Path=*pci-0000:01:{{ "%02d" | format(interface_index + 1) }}.0
+
+[Link]
+Name={{ item.name }}
-- 
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