#-*-shell-script-*-

function verbose_show_message () {
    echo $(date "+%H:%M:%S") " ==================== " "$@"
}

function verbose_run_command () {
    echo $(date "+%H:%M:%S") " ========== running" "$@"
    "$@"
    echo $(date "+%H:%M:%S") " ==========" "$@" "returned with retcod=$?"
}

function pl_network_sanity_checks () {
    echo $(date "+%H:%M:%S") " ======================================== BEG SANITY CHECKS"
    for file in $(ls /etc/resolv.conf /etc/sysconfig/network-scripts/ifcfg-eth* ) ; do 
	verbose_run_command cat $file
    done
    verbose_show_message Loaded modules
    verbose_run_command lsmod
    verbose_show_message Configured interfaces
    verbose_run_command ifconfig
    verbose_show_message cat /proc/net/dev
    verbose_run_command cat /proc/net/dev
    verbose_show_message Routing table
    verbose_run_command netstat -rn
    BOOT_FILE=/usr/boot/boot_server
    BOOT_SERVER=$(cat $BOOT_FILE)
    verbose_show_message Pinging boot server "(" $BOOT_SERVER ")" from file $BOOT_FILE
    verbose_run_command ping -c 4 -w 4 $BOOT_SERVER
    verbose_show_message Pinging google public DNS 
    verbose_run_command ping -c 1 -w 5 8.8.8.8
    # try to resolve this hostname as that's the one used for ntp
    dnss=$(grep '^nameserver' /etc/resolv.conf 2>/dev/null | awk '{print $2;}')
    if [ -z "$dnss" ] ; then
	# not too helpful, but..
	verbose_show_message No server found in /etc/resolv.conf - Resolving hostname at the google public DNS
	verbose_run_command host -W 4 pool.ntp.org 8.8.8.8
    else
	for dns in $dnss; do
	    verbose_show_message Resolving hostname at $dns
	    verbose_run_command host -W 4 pool.ntp.org $dns
	done
    fi
    echo $(date "+%H:%M:%S") " ======================================== END SANITY CHECKS"
}