diff options
Diffstat (limited to 'sysconfig/network-scripts/network-functions')
| -rw-r--r-- | sysconfig/network-scripts/network-functions | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sysconfig/network-scripts/network-functions b/sysconfig/network-scripts/network-functions index 850cc3ff..1867c38a 100644 --- a/sysconfig/network-scripts/network-functions +++ b/sysconfig/network-scripts/network-functions @@ -397,6 +397,38 @@ need_hostname () fi } +set_hostname_options () +{ + # User explicitly requires to *not* send DHCP_HOSTNAME, DHCP_FQDN or HOSTNAME: + is_false "${DHCP_SEND_HOSTNAME}" && return + + if [[ -n "${DHCP_HOSTNAME}" && -n "${DHCP_FQDN}" ]]; then + net_log $"Both 'DHCP_HOSTNAME=${DHCP_HOSTNAME}' and 'DHCP_FQDN=${DHCP_FQDN}' are configured... Using DHCP_FQDN." warning + fi + + local hostname_options='' + + # DHCP_FQDN takes precedence before DHCP_HOSTNAME -- as it does in NetworkManager, + # and DHCP_HOSTNAME takes precedence before HOSTNAME: + if [[ -n "${DHCP_FQDN}" ]]; then + hostname_options="-F ${DHCP_FQDN}" + elif [[ -n "${DHCP_HOSTNAME}" ]]; then + hostname_options="-H ${DHCP_HOSTNAME}" + elif is_hostname_set; then + # We need to truncate the hostname in case it is the FQDN: + hostname_options="-H ${HOSTNAME%%.*}" + else + # Nothing to send to the DHCP server: + # ['(none)', 'localhost' or 'localhost.localdomain' are not valid] + return + fi + + # Append the hostname options to the content of passed variable name: + eval "$1='${!1} ${hostname_options}'" + + return +} + set_hostname () { hostname $1 |