fix: Add "broadcast" to network v1 schema (#5034)

Both the klibc initramfs code and the eni code will write a network v1 configuration including the broadcast address if it is provided. It gets rendered if using the eni renderer. LP: #2056460
canonical · Mar 9, 2024 · c6f1e61 · c6f1e61
1 parent 3fd0e43
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diff --git a/cloudinit/config/schemas/schema-network-config-v1.json b/cloudinit/config/schemas/schema-network-config-v1.json
@@ -503,6 +503,10 @@
           "type": "string",
           "description": "IPv4 subnet mask in dotted format or CIDR notation"
         },
+        "broadcast": {
+          "type": "string",
+          "description": "IPv4 broadcast address in dotted format."
+        },
         "gateway": {
           "type": "string",
           "description": "IPv4 address of the default gateway for this subnet."

diff --git a/doc/rtd/reference/network-config-format-v1.rst b/doc/rtd/reference/network-config-format-v1.rst
@@ -296,6 +296,8 @@ Valid keys for ``subnets`` include the following:
   interface will be handled during boot.
 - ``address``: IPv4 or IPv6 address. It may include CIDR netmask notation.
 - ``netmask``: IPv4 subnet mask in dotted format or CIDR notation.
+- ``broadcast`` : IPv4 broadcast address in dotted format. This is
+  only rendered if :file:`/etc/network/interfaces` is used.
 - ``gateway``: IPv4 address of the default gateway for this subnet.
 - ``dns_nameservers``: Specify a list of IPv4 dns server IPs to end up in
   :file:`resolv.conf`.