Merge pull request #18704 from keszybz/fallback-hostame-override

Allow overriding of fallback hostname through envvar and os-release field
2021-02-23 00:41:27 +01:00
parent dda7d0a4d6 8770c8135b
commit a5e5e102ba
40 changed files with 440 additions and 216 deletions
@@ -56,6 +56,10 @@ All tools:
 * `$SYSTEMD_EFI_OPTIONS` — if set, used instead of the string in the
  `SystemdOptions` EFI variable. Analogous to `$SYSTEMD_PROC_CMDLINE`.

+* `$SYSTEMD_DEFAULT_HOSTNAME` — override the compiled-in fallback hostname
+  (relevant in particular for the system manager and `systemd-hostnamed`).
+  Must be a valid hostname (either a single label or a FQDN).
+
 * `$SYSTEMD_IN_INITRD=[auto|lenient|0|1]` — if set, specifies initrd detection
  method. Defaults to `auto`. Behavior is defined as follows:
  `auto`: Checks if `/etc/initrd-release` exists, and a temporary fs is mounted