diff --git a/man/systemd-firstboot.xml b/man/systemd-firstboot.xml index 86a85f0bf2..db6f2569a8 100644 --- a/man/systemd-firstboot.xml +++ b/man/systemd-firstboot.xml @@ -447,6 +447,17 @@ + + + firstboot.hostname + + This credential specifies the static system hostname to set during first boot. The + user will not be prompted for the hostname. Note that this controls the static hostname, not the + transient hostname, and only has an effect on first boot, unlike + system.hostname. + + + Note that by default the systemd-firstboot.service unit file is set up to diff --git a/man/systemd.system-credentials.xml b/man/systemd.system-credentials.xml index e3e2887207..a302be236d 100644 --- a/man/systemd.system-credentials.xml +++ b/man/systemd.system-credentials.xml @@ -44,7 +44,7 @@ firstboot.keymap - The console key mapping to set (e.g. de). Read by + The console key mapping to set (e.g. de). Read by systemd-firstboot1, and only honoured if no console keymap has been configured before. @@ -52,6 +52,20 @@ + + firstboot.hostname + + This credential specifies the static system hostname to set during first boot. The + user will not be prompted for the hostname. Note that this controls the static hostname, not the transient + hostname, and only has an effect on first boot, unlike system.hostname (see + below). Read by + systemd-firstboot1 + and only honoured if no static hostname has been configured before. + + + + + firstboot.locale firstboot.locale-messages @@ -398,9 +412,10 @@ system.hostname Accepts a (transient) hostname to configure during early boot. The static hostname specified - in /etc/hostname, if configured, takes precedence over this setting. - Interpreted by the service manager (PID 1). For details see - systemd1. + in /etc/hostname, if configured, takes precedence over this setting. + Interpreted by the service manager (PID 1). For details see + systemd1. Also + see firstboot.hostname above. diff --git a/src/firstboot/firstboot.c b/src/firstboot/firstboot.c index ae1899593c..8cb81e7f06 100644 --- a/src/firstboot/firstboot.c +++ b/src/firstboot/firstboot.c @@ -655,6 +655,19 @@ static int prompt_hostname(int rfd, sd_varlink **mute_console_link) { if (arg_hostname) return 0; + _cleanup_free_ char *hn = NULL; + r = read_credential("firstboot.hostname", (void**) &hn, NULL); + if (r < 0) + log_debug_errno(r, "Failed to read credential firstboot.hostname, ignoring: %m"); + else if (!hostname_is_valid(hn, VALID_HOSTNAME_TRAILING_DOT|VALID_HOSTNAME_QUESTION_MARK)) + log_warning_errno(SYNTHETIC_ERRNO(EINVAL), "Hostname '%s' supplied via credential is not valid, ignoring.", hn); + else { + log_debug("Acquired hostname from credentials."); + arg_hostname = TAKE_PTR(hn); + hostname_cleanup(arg_hostname); + return 0; + } + if (!arg_prompt_hostname) { log_debug("Prompting for hostname was not requested."); return 0;