From 6fe1983777663a1a1136fd73dc50244f2d030be8 Mon Sep 17 00:00:00 2001
From: Gonéri Le Bouder <goneri@lebouder.net>
Date: Fri, 14 May 2021 15:58:47 -0400
Subject: BSD: static network, set the mtu (#894)

In the case of a static network, we now set the MTU according to the
meta-data.
---
 cloudinit/net/bsd.py     |  1 +
 cloudinit/net/freebsd.py | 11 ++++++-----
 cloudinit/net/netbsd.py  |  8 +++++---
 cloudinit/net/openbsd.py |  6 +++++-
 4 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/cloudinit/net/bsd.py b/cloudinit/net/bsd.py
index e34e0454..aab968a8 100644
--- a/cloudinit/net/bsd.py
+++ b/cloudinit/net/bsd.py
@@ -76,6 +76,7 @@ class BSDRenderer(renderer.Renderer):
                     self.interface_configurations[device_name] = {
                         'address': subnet.get('address'),
                         'netmask': subnet.get('netmask'),
+                        'mtu': subnet.get('mtu'),
                     }
 
     def _route_entries(self, settings, target=None):
diff --git a/cloudinit/net/freebsd.py b/cloudinit/net/freebsd.py
index 0285dfec..c843d792 100644
--- a/cloudinit/net/freebsd.py
+++ b/cloudinit/net/freebsd.py
@@ -19,12 +19,13 @@ class Renderer(cloudinit.net.bsd.BSDRenderer):
 
     def write_config(self):
         for device_name, v in self.interface_configurations.items():
+            net_config = 'DHCP'
             if isinstance(v, dict):
-                self.set_rc_config_value(
-                    'ifconfig_' + device_name,
-                    v.get('address') + ' netmask ' + v.get('netmask'))
-            else:
-                self.set_rc_config_value('ifconfig_' + device_name, 'DHCP')
+                net_config = v.get('address') + ' netmask ' + v.get('netmask')
+                mtu = v.get('mtu')
+                if mtu:
+                    net_config += (' mtu %d' % mtu)
+            self.set_rc_config_value('ifconfig_' + device_name, net_config)
 
     def start_services(self, run=False):
         if not run:
diff --git a/cloudinit/net/netbsd.py b/cloudinit/net/netbsd.py
index 71b38ee6..5f8881a5 100644
--- a/cloudinit/net/netbsd.py
+++ b/cloudinit/net/netbsd.py
@@ -22,9 +22,11 @@ class Renderer(cloudinit.net.bsd.BSDRenderer):
             )
         for device_name, v in self.interface_configurations.items():
             if isinstance(v, dict):
-                self.set_rc_config_value(
-                    'ifconfig_' + device_name,
-                    v.get('address') + ' netmask ' + v.get('netmask'))
+                net_config = v.get('address') + ' netmask ' + v.get('netmask')
+                mtu = v.get('mtu')
+                if mtu:
+                    net_config += (' mtu %d' % mtu)
+                self.set_rc_config_value('ifconfig_' + device_name, net_config)
 
     def start_services(self, run=False):
         if not run:
diff --git a/cloudinit/net/openbsd.py b/cloudinit/net/openbsd.py
index 166d77e6..9ec7ee9e 100644
--- a/cloudinit/net/openbsd.py
+++ b/cloudinit/net/openbsd.py
@@ -18,7 +18,7 @@ class Renderer(cloudinit.net.bsd.BSDRenderer):
                 content = 'dhcp\n'
             elif isinstance(v, dict):
                 try:
-                    content = "inet {address} {netmask}\n".format(
+                    content = "inet {address} {netmask}".format(
                         address=v['address'],
                         netmask=v['netmask']
                     )
@@ -26,6 +26,10 @@ class Renderer(cloudinit.net.bsd.BSDRenderer):
                     LOG.error(
                         "Invalid static configuration for %s",
                         device_name)
+                mtu = v.get("mtu")
+                if mtu:
+                    content += (' mtu %d' % mtu)
+                content += "\n"
             util.write_file(fn, content)
 
     def start_services(self, run=False):
-- 
cgit v1.2.3