From fbb4e2f7a5af8fecfc87abea5525ae945bee24da Mon Sep 17 00:00:00 2001
From: Franziska Kunsmann <hi@kunsmann.eu>
Date: Sat, 6 Jun 2020 10:18:25 +0200
Subject: [PATCH] systemd-networkd: first draft

---
 bundles/systemd-networkd/files/interfaces     |  3 ++
 .../systemd-networkd/files/template.network   | 33 +++++++++++++++++++
 bundles/systemd-networkd/items.py             | 22 +++++++++++++
 groups/all.py                                 |  1 +
 4 files changed, 59 insertions(+)
 create mode 100644 bundles/systemd-networkd/files/interfaces
 create mode 100644 bundles/systemd-networkd/files/template.network
 create mode 100644 bundles/systemd-networkd/items.py

diff --git a/bundles/systemd-networkd/files/interfaces b/bundles/systemd-networkd/files/interfaces
new file mode 100644
index 0000000..2e67d1c
--- /dev/null
+++ b/bundles/systemd-networkd/files/interfaces
@@ -0,0 +1,3 @@
+auto lo
+iface lo inet loopback
+iface lo inet6 loopback
diff --git a/bundles/systemd-networkd/files/template.network b/bundles/systemd-networkd/files/template.network
new file mode 100644
index 0000000..3784104
--- /dev/null
+++ b/bundles/systemd-networkd/files/template.network
@@ -0,0 +1,33 @@
+[Match]
+Name=${interface}
+
+[Network]
+% if config.get('dhcp', False):
+DHCP=yes
+IPv6AcceptRA=yes
+UseHostname=no
+% else:
+DHCP=no
+IPv6AcceptRA=no
+% endif
+
+% for addr in sorted(config.get('ip_addresses', set())):
+Address=${addr}
+% endfor
+
+% if config.get('ip4_masquerade_outgoing', False):
+IPMasquerade=yes
+IPForward=ipv4
+%endif
+
+% if 'ip6_gateway' in config:
+[Route]
+Gateway=${config['ip6_gateway']}
+GatewayOnLink=yes
+% endif
+
+% if 'ip4_gateway' in config:
+[Route]
+Gateway=${config['ip4_gateway']}
+GatewayOnLink=yes
+% endif
diff --git a/bundles/systemd-networkd/items.py b/bundles/systemd-networkd/items.py
new file mode 100644
index 0000000..6f0764e
--- /dev/null
+++ b/bundles/systemd-networkd/items.py
@@ -0,0 +1,22 @@
+assert node.has_bundle('systemd')
+
+files = {
+    '/etc/network/interfaces': {},
+}
+
+for interface, config in node.metadata.get('interfaces', {}).items():
+    files['/etc/systemd/network/10-{}.network'.format(interface)] = {
+        'source': 'template.network',
+        'content_type': 'mako',
+        'context': {
+            'interface': interface,
+            'config': config,
+        },
+        'triggers': {
+            'svc_systemd:systemd-networkd:restart',
+        },
+    }
+
+svc_systemd = {
+    'systemd-networkd': {},
+}
diff --git a/groups/all.py b/groups/all.py
index a8e4494..7a5e9e4 100644
--- a/groups/all.py
+++ b/groups/all.py
@@ -9,6 +9,7 @@ groups['all'] = {
         'postfix',
         'sudo',
         'systemd',
+        'systemd-networkd',
         'users',
     },
     'metadata': {