Subversion Repositories configs

#!/bin/sh

# This is a NetworkManager dispatcher script for chronyd to update

# its NTP sources passed from DHCP options. Note that this script is

# specific to NetworkManager-dispatcher due to use of the

# DHCP4_NTP_SERVERS environment variable.

export LC_ALL=C

interface=$1

action=$2

helper=/usr/libexec/chrony-helper

default_server_options=iburst

server_dir=/run/chrony-helper

dhcp_server_tmpfile=$server_dir/tmp-nm-dhcp.$interface

dhcp_server_file=$server_dir/nm-dhcp.$interface

# DHCP4_NTP_SERVERS is passed from DHCP options by NetworkManager.

nm_dhcp_servers=$DHCP4_NTP_SERVERS

[ -f /etc/sysconfig/network ] && . /etc/sysconfig/network

[ -f /etc/sysconfig/network-scripts/ifcfg-"${interface}" ] && \

    . /etc/sysconfig/network-scripts/ifcfg-"${interface}"

add_servers_from_dhcp() {

    rm -f "$dhcp_server_file"

    # Remove servers saved by the dhclient script before it detected NM.

    rm -f "/var/lib/dhclient/chrony.servers.$interface"

    # Don't add NTP servers if PEERNTP=no specified; return early.

    [ "$PEERNTP" = "no" ] && return

    # Create the directory with correct SELinux context.

    $helper create-helper-directory > /dev/null 2>&1

    for server in $nm_dhcp_servers; do

        echo "$server ${NTPSERVERARGS:-$default_server_options}" >> "$dhcp_server_tmpfile"

    done

    [ -e "$dhcp_server_tmpfile" ] && mv "$dhcp_server_tmpfile" "$dhcp_server_file"

    $helper update-daemon > /dev/null 2>&1 || :

}

clear_servers_from_dhcp() {

    if [ -f "$dhcp_server_file" ]; then

        rm -f "$dhcp_server_file"

        $helper update-daemon > /dev/null 2>&1 || :

    fi

}

if [ "$action" = "up" ] || [ "$action" = "dhcp4-change" ]; then

    add_servers_from_dhcp

elif [ "$action" = "down" ]; then

    clear_servers_from_dhcp

fi

exit 0