vmspawn: generate predicatable TAP device names and MAC addresses

2024-04-15 11:42:06 +01:00
parent c50e7dcaf6
commit c3dd4e20fe
2 changed files with 58 additions and 3 deletions
@@ -183,6 +183,14 @@ All tools:
  expected format is six groups of two hexadecimal digits separated by colons,
  e.g. `SYSTEMD_NSPAWN_NETWORK_MAC=12:34:56:78:90:AB`

+`systemd-vmspawn`:
+
+* `$SYSTEMD_VMSPAWN_NETWORK_MAC=...` — if set, allows users to set a specific MAC
+  address for a VM, ensuring that it uses the provided value instead of
+  generating a random one. It is effective when used with `--network-tap`. The
+  expected format is six groups of two hexadecimal digits separated by colons,
+  e.g. `SYSTEMD_VMSPAWN_NETWORK_MAC=12:34:56:78:90:AB`
+
 `systemd-logind`:

 * `$SYSTEMD_BYPASS_HIBERNATION_MEMORY_CHECK=1` — if set, report that