check_webservice_load.sh: add support for PostgreSQL Service
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@ -14,6 +14,7 @@ conf_file="${working_dir}/conf/check_webservice_load.conf"
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# -
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check_load=false
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check_mysql=false
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check_postgresql=false
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check_apache=false
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check_nginx=false
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check_php_fpm=false
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@ -243,6 +244,35 @@ if $check_mysql ; then
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fi
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if $check_postgresql ; then
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PSQL_SERVICE_FILE=""
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PSQL_INIT_SCRIPT=""
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if $systemd_supported ; then
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# - Is Service exclusive controlled by systemd
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# -
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if systemctl -t service list-unit-files \
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| grep -e "^ postgresql" \
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| grep -q -E "(enabled|disabled)" 2> /devnull ; then
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PSQL_SERVICE_FILE=$(systemctl -t service list-unit-files \
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| grep -e "^postgresql" \
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| awk '{print$1}')
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fi
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fi
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if [[ -z "$PSQL_SERVICE_FILE" ]] ; then
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if [ -x "/etc/init.d/postgresql" ]; then
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PSQL_INIT_SCRIPT="/etc/init.d/postgresql"
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fi
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fi
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if [[ -z "$PSQL_INIT_SCRIPT" ]] && [[ -z "$PSQL_SERVICE_FILE" ]] ; then
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fatal "Neither an init-script nor a service file for 'postgesql' databaseservice found!"
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fi
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fi
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if $check_apache ; then
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HTTPD=`realpath $(which httpd) 2>/dev/null`
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@ -739,6 +769,91 @@ stop_mysql() {
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fi
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}
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stop_postgresql() {
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send_msg=$1
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send_msg=${send_msg:=true}
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## - Stop PostgreSQL database service
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## -
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if [[ -n "$PSQL_SERVICE_FILE" ]] ; then
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systemctl stop "$PSQL_SERVICE_FILE" > /dev/null 2>&1
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else
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$PSQL_INIT_SCRIPT stop > /dev/null 2>&1
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fi
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sleep 12
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declare -i i=0
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CHILD_PID="$(ps aux | grep -E "\ postgres:\ " | grep -v grep | tail -n 1 | awk '{print$2}')"
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PSQL_MAIN_PID="$(ps -o ppid= -p $CHILD_PID 2> /dev/null)"
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while [ "X$PSQL_MAIN_PID" != "X" ]; do
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if [ $i -eq 0 ]; then
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echo "" >> $LOCK_DIR/extra_msg.txt
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echo -e "\t[ Error ]: Stopping PostgreSQL database service failed !!!" >> $LOCK_DIR/extra_msg.txt
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echo "" >> $LOCK_DIR/extra_msg.txt
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echo -e "\t[ Info ]; Going to kill remaining postgres-processes.." >> $LOCK_DIR/extra_msg.txt
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echo "" >> $LOCK_DIR/extra_msg.txt
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error "Stopping PostgreSQL database service failed !!!"
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info "Going to kill remaining postgres-processes.."
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fi
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if [ $i -gt 10 ]; then
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echo "" >> $LOCK_DIR/extra_msg.txt
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echo -e "\t[ Error ]: Killing remaining postgres-processes failed !!!" >> $LOCK_DIR/extra_msg.txt
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echo "" >> $LOCK_DIR/extra_msg.txt
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error "Killing remaining postgres-processes failed !!!"
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if $send_msg ; then
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subject="[ Error ]: Stopping PostgreSQL database service on `hostname -f` failed -- $datum"
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msg="\n\n`cat $LOCK_DIR/extra_msg.txt`\n"
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for _to_address in $to_addresses ; do
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echo -e "To:${_to_address}\n${content_type}\nSubject:$subject\n\n${msg}\n" \
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| /usr/sbin/sendmail -F "Webservice Monitor" -f $from_address $_to_address
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done
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fi
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break
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fi
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kill $PSQL_MAIN_PID > /dev/null 2>&1
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sleep 2
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CHILD_PID="$(ps aux | grep -E "\ postgres:\ " | grep -v grep | tail -n 1 | awk '{print$2}')"
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PSQL_MAIN_PID="$(ps -o ppid= -p $CHILD_PID)"
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i=i+1
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done
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CHILD_PIDS=$(ps aux | grep -E "postgres:" | grep -v grep | awk '{print$2}')
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if [[ "X${CHILD_PIDS}X" != 'XX' ]]; then
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echo "" >> $LOCK_DIR/extra_msg.txt
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echo -e "\t[ Error ]: Found processes 'postgres:'." >> $LOCK_DIR/extra_msg.txt
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echo "" >> $LOCK_DIR/extra_msg.txt
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echo -e "\t[ Info ]; Going to kill remaining postgres-processes.." >> $LOCK_DIR/extra_msg.txt
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echo "" >> $LOCK_DIR/extra_msg.txt
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error "Found processes 'postgres:'."
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info "Going to kill processes 'postgres:'.."
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for _PID in $CHILD_PIDS ; do
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kill $_PID > /dev/null 2>&1
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done
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fi
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}
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stop_php_fpm() {
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__version=$1
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@ -974,6 +1089,64 @@ start_mysql() {
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fi
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}
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start_postgresql() {
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send_msg=$1
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send_msg=${send_msg:=true}
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## - Start PostgreSQL Webservice
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## -
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if [[ -n "$PSQL_SERVICE_FILE" ]] ; then
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systemctl start "$PSQL_SERVICE_FILE" > /dev/null 2>&1
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else
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$PSQL_INIT_SCRIPT start > /dev/null 2>&1
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fi
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sleep 2
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CHILD_PID="$(ps aux | grep -E "\ postgres:\ " | grep -v grep | tail -n 1 | awk '{print$2}')"
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NEWPID="$(ps -o ppid= -p $CHILD_PID 2> /dev/null)"
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if [ "X${NEWPID}X" = "XX" ]; then
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echo "" >> $LOCK_DIR/extra_msg.txt
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echo -e "\t[ Error ]: I started the 'PostgreSQL' database server, but service is not running !!!" >> $LOCK_DIR/extra_msg.txt
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echo "" >> $LOCK_DIR/extra_msg.txt
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error "I started the 'PostgreSQL' database server, but service is not running !!!"
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datum=`date +"%d.%m.%Y %H:%Mh"`
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subject="[ Error ]: PostgreSQL database service on `hostname -f` NOT RUNNING -- $datum"
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msg="\n\n`cat $LOCK_DIR/extra_msg.txt`\n"
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for _to_address in $to_addresses ; do
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echo -e "To:${_to_address}\n${content_type}\nSubject:$subject\n\n${msg}\n" \
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| /usr/sbin/sendmail -F "Webservice Monitor" -f $from_address $_to_address
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done
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else
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echo "" >> $LOCK_DIR/extra_msg.txt
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echo -e "\tI started the 'PostgreSQL' database server. the new PID is $NEWPID" >> $LOCK_DIR/extra_msg.txt
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echo "" >> $LOCK_DIR/extra_msg.txt
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ok "I started the 'PostgreSQL' database server. the new PID is $NEWPID"
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fi
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if $send_msg ; then
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datum=`date +"%d.%m.%Y %H:%Mh"`
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subject="Restarting PostgreSQL on `hostname -f` invoked -- $datum"
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msg=`cat $LOCK_DIR/extra_msg.txt`
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for _to_address in $to_addresses ; do
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echo -e "To:${_to_address}\n${content_type}\nSubject:$subject\n\n${msg}\n" \
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| /usr/sbin/sendmail -F "Webservice Monitor" -f $from_address $_to_address
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done
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fi
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}
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start_apache() {
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send_msg=$1
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@ -1241,7 +1414,7 @@ restart_nginx() {
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restart_mysql(){
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## - Stop MySQL Servive
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## - Stop MySQL Service
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## -
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stop_mysql
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@ -1252,6 +1425,19 @@ restart_mysql(){
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start_mysql
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}
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restart_postgresql(){
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## - Stop PostgreSQL Service
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## -
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stop_postgresql
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sleep 2
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## - Start MySQL Service
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## -
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start_postgresql
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}
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restart_php_fpm(){
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## - Stop MySQL Servive
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@ -1532,6 +1718,42 @@ if $check_mysql ; then
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fi
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#---------------------------------------
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#-----------------------------
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# Check Postgresql database service..
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#-----------------------------
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#---------------------------------------
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if $check_postgresql ; then
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echo "" > $LOCK_DIR/extra_msg.txt
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if $LOGGING ; then
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echo -e "\nChecking PostgreSQL database service on \"`hostname -f`\".."
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fi
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CHILD_PID="$(ps aux | grep -E "\ postgres:\ " | grep -v grep | tail -n 1 | awk '{print$2}')"
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PSQL_MAIN_PID="$(ps -o ppid= -p $CHILD_PID 2> /dev/null)"
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if [ "X${PSQL_MAIN_PID}X" = "XX" ];then
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echo -e "\nPostgreSQL database service is not running! - Try to start it.." > $LOCK_DIR/extra_msg.txt
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echo -e "===============================================================" >> $LOCK_DIR/extra_msg.txt
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error "PostgeSQL database service is not running! - Try to start it.."
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restart_postgresql
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else
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if $LOGGING ; then
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ok "PostgreSQL database server on \"`hostname -f`\" seems to be running.."
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fi
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fi
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fi
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#---------------------------------------
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#-----------------------------
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# Check Apache webservice..
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