mirror of
https://github.com/samba-team/samba.git
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8e89b27098
ctdb_check_tcp_ports() as well (This used to be ctdb commit ad0292726f9cfc8afe3733b30ac2d5621e9a48f1)
186 lines
5.3 KiB
Plaintext
186 lines
5.3 KiB
Plaintext
# utility functions for ctdb event scripts
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#######################################
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# pull in a system config file, if any
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loadconfig() {
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name="$1"
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if [ -f /etc/sysconfig/$name ]; then
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. /etc/sysconfig/$name
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elif [ -f /etc/default/$name ]; then
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. /etc/default/$name
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elif [ -f /etc/ctdb/sysconfig/$name ]; then
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. /etc/ctdb/sysconfig/$name
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fi
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}
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######################################################
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# simulate /sbin/service on platforms that don't have it
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service() {
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service_name="$1"
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op="$2"
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if [ -x /sbin/service ]; then
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/sbin/service "$service_name" "$op"
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elif [ -x /etc/init.d/$service_name ]; then
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/etc/init.d/$service_name "$op"
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elif [ -x /etc/rc.d/init.d/$service_name ]; then
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/etc/rc.d/init.d/$service_name "$op"
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fi
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}
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######################################################
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# wait for a command to return a zero exit status
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# usage: ctdb_wait_command SERVICE_NAME <command>
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######################################################
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ctdb_wait_command() {
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service_name="$1"
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wait_cmd="$2"
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[ -z "$wait_cmd" ] && return;
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all_ok=0
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echo "`/bin/date` Waiting for service $service_name to start"
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while [ $all_ok -eq 0 ]; do
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$wait_cmd > /dev/null 2>&1 && all_ok=1
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ctdb status > /dev/null 2>&1 || {
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echo "ctdb daemon has died. Exiting wait for $service_name"
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exit 1
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}
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[ $all_ok -eq 1 ] || sleep 1
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done
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echo "`/bin/date` Local service $service_name is up"
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}
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######################################################
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# wait for a set of tcp ports
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# usage: ctdb_wait_tcp_ports SERVICE_NAME <ports...>
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######################################################
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ctdb_wait_tcp_ports() {
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service_name="$1"
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shift
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wait_ports="$*"
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[ -z "$wait_ports" ] && return;
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all_ok=0
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echo "`/bin/date` Waiting for tcp service $service_name to start"
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while [ $all_ok -eq 0 ]; do
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all_ok=1
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for p in $wait_ports; do
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if [ -x /usr/bin/netcat ]; then
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/usr/bin/netcat -z 127.0.0.1 $p || all_ok=0
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elif [ -x /usr/bin/nc ]; then
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/usr/bin/nc -z 127.0.0.1 $p || all_ok=0
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elif [ -x /usr/bin/netstat ]; then
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(/usr/bin/netstat -a -n | egrep "0.0.0.0:$p .*LISTEN") || all_ok=0
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else
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echo "`date` - No tool to check tcp ports availabe. can not check in ctdb_wait_tcp_ports"
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return
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fi
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done
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[ $all_ok -eq 1 ] || sleep 1
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ctdb status > /dev/null 2>&1 || {
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echo "ctdb daemon has died. Exiting tcp wait $service_name"
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exit 1
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}
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done
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echo "`/bin/date` Local tcp services for $service_name are up"
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}
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######################################################
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# wait for a set of directories
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# usage: ctdb_wait_directories SERVICE_NAME <directories...>
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######################################################
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ctdb_wait_directories() {
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service_name="$1"
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shift
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wait_dirs="$*"
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[ -z "$wait_dirs" ] && return;
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all_ok=0
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echo "`/bin/date` Waiting for local directories for $service_name"
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while [ $all_ok -eq 0 ]; do
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all_ok=1
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for d in $wait_dirs; do
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[ -d $d ] || all_ok=0
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done
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[ $all_ok -eq 1 ] || sleep 1
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ctdb status > /dev/null 2>&1 || {
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echo "ctdb daemon has died. Exiting directory wait for $service_name"
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exit 1
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}
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done
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echo "`/bin/date` Local directories for $service_name are available"
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}
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######################################################
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# check that a rpc server is registered with portmap
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# and responding to requests
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# usage: ctdb_check_rpc SERVICE_NAME PROGNUM VERSION
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######################################################
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ctdb_check_rpc() {
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service_name="$1"
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prognum="$2"
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version="$3"
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rpcinfo -u localhost $prognum $version > /dev/null || {
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echo "`date` ERROR: $service_name not responding to rpc requests"
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exit 1
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}
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}
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######################################################
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# check a set of directories is available
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# usage: ctdb_check_directories SERVICE_NAME <directories...>
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######################################################
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ctdb_check_directories() {
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service_name="$1"
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shift
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wait_dirs="$*"
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[ -z "$wait_dirs" ] && return;
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for d in $wait_dirs; do
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[ -d $d ] || {
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echo "`date` ERROR: $service_name directory $d not available"
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exit 1
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}
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done
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}
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######################################################
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# check a set of tcp ports
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# usage: ctdb_check_tcp_ports SERVICE_NAME <ports...>
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######################################################
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ctdb_check_tcp_ports() {
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service_name="$1"
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shift
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wait_ports="$*"
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[ -z "$wait_ports" ] && return;
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for p in $wait_ports; do
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all_ok=1
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if [ -x /usr/bin/netcat ]; then
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/usr/bin/netcat -z 127.0.0.1 $p || all_ok=0
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elif [ -x /usr/bin/nc ]; then
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/usr/bin/nc -z 127.0.0.1 $p || all_ok=0
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elif [ -x /usr/bin/netstat ]; then
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(/usr/bin/netstat -a -n | egrep "0.0.0.0:$p .*LISTEN") || all_ok=0
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fi
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[ $all_ok -eq 1 ] || {
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echo "`date` ERROR: $service_name tcp port $p is not responding"
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exit 1
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}
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done
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}
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######################################################
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# check a command returns zero status
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# usage: ctdb_check_command SERVICE_NAME <command>
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######################################################
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ctdb_check_command() {
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service_name="$1"
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wait_cmd="$2"
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[ -z "$wait_cmd" ] && return;
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$wait_cmd > /dev/null 2>&1 || {
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echo "`date` ERROR: $service_name - $wait_cmd returned error"
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exit 1
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}
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}
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