check_webservice_load.sh: add support of 'MariaDB'.
This commit is contained in:
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b6bbf99bea
commit
d633fdc223
@ -20,6 +20,7 @@ LOCK_DIR="/tmp/${script_name%%.*}.LOCK"
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# -
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check_load=false
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check_mysql=false
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check_mariadb=false
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check_postgresql=false
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check_apache=false
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check_nginx=false
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@ -179,6 +180,9 @@ DEFAULT_CONFLICTING_SCRIPTS="/root/bin/monitoring/check_local_webservice.sh"
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DEFAULT_TIMEOUT_CHECK_WEBSITE=10
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DEFAULT_TIMEOUT_CHECK_PHP=10
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DEFAULT_mysql_credential_args="--login-path=local"
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DEFAULT_mariadb_credential_args=""
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if [[ ! -f "$conf_file" ]]; then
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echo ""
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echo -e " [ Fatal ] Configuration file '$(basename ${conf_file})' not found!"
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@ -195,6 +199,9 @@ fi
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[[ -n "$CONFLICTING_SCRIPTS" ]] || CONFLICTING_SCRIPTS="$DEFAULT_CONFLICTING_SCRIPTS"
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[[ -n "$mysql_credential_args" ]] || mysql_credential_args="$DEFAULT_mysql_credential_args"
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[[ -n "$mariadb_credential_args" ]] || mariadb_credential_args="$DEFAULT_mariadb_credential_args"
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# - Stop here, if these give scripts are running
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# -
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@ -340,6 +347,77 @@ if ! $vserver_guest ; then
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fi
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if $check_mariadb ; then
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MARIADBD="$(realpath $(which mariadbd) 2>/dev/null)"
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if [ -z "$MARIADBD" ]; then
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if [ -x "/usr/local/mysql/bin/mariadbd" ]; then
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MARIADBD="$(realpath "/usr/local/mysql/bin/mariadbd")"
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else
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fatal 'Command \"mariadbd\" not found!'
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fi
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fi
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MARIADB_INIT_SCRIPT=""
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MARIADBD_SERVICE_FILE=""
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if $systemd_supported ; then
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# - Is Service exclusive controlled by systemd
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# -
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if systemctl -t service list-unit-files \
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| grep -e "^mariadb" \
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| grep -q -E "(enabled|disabled)" 2> /dev/null ; then
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MARIADBD_SERVICE_FILE=$(systemctl -t service list-unit-files \
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| grep -e "^mariadb.*.service" \
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| grep -E " enabled" \
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| awk '{print$1}'\
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| head -1)
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fi
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fi
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if [[ -z "$MARIADBD_SERVICE_FILE" ]] ; then
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if [ -x "$(realpath /etc/init.d/mariadb.server)" ]; then
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MARIADB_INIT_SCRIPT="/etc/init.d/mariadb.server"
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elif [ -x "$(realpath /etc/init.d/mariadb)" ]; then
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MARIADB_INIT_SCRIPT="/etc/init.d/mariadb"
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fi
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fi
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if [[ -z "$MARIADB_INIT_SCRIPT" ]] && [[ -z "$MARIADBD_SERVICE_FILE" ]]; then
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fatal 'Neither an init-script nor a service file for MariaDB found!'
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else
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MARIADB_PS_CHECK_STRING="$MARIADBD"
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fi
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echo "MARIADB_PS_CHECK_STRING: $MARIADB_PS_CHECK_STRING"
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if [[ -z "$MARIADB_PS_CHECK_STRING" ]]; then
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fatal "Cannot determin a check string for output of command 'ps ax'"
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fi
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if [[ -n "$MARIADB_INIT_SCRIPT" ]] ; then
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MARIADBD_SAFE="$(realpath $(which mariadbd-safe) 2>/dev/null)"
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if [ -z "$MARIADBD_SAFE" ]; then
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if [ -x "/usr/local/mysql/bin/mariadbd-safe" ]; then
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MARIADBD_SAFE="$(realpath "/usr/local/mysql/bin/mariadbd-safe")"
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else
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fatal 'Command \"\mariadbd-safe" not found!'
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fi
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fi
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fi
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MYADMIN="$(realpath $(which mariadb-admin) 2>/dev/null)"
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if [ -z "$MYADMIN" ]; then
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if [ -x "/usr/local/mysql/bin/mariadb-admin" ]; then
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MYADMIN="$(realpath "/usr/local/mysql/bin/mariadb-admin")"
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else
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fatal 'Command \"mariadb-admin\" not found!'
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fi
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fi
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fi
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if $check_mysql ; then
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MYSQLD=`realpath $(which mysqld) 2>/dev/null`
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@ -851,6 +929,81 @@ stop_nginx() {
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}
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stop_mariadb() {
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send_msg=$1
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send_msg=${send_msg:=true}
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# - Don't Start/Stop Services if package management is running (apt,aptitude,dpkg)
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# -
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if ( [[ "${os_dist,,}" = "debian" ]] || [[ "${os_dist,,}" = "ubuntu" ]] ) \
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&& $(lsof /var/lib/dpkg/lock >/dev/null 2>&1) ; then
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warn "It seems that package management (apt,dpkg) is running. Exiting '${FUNCNAME[0]}' now.."
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return 1
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fi
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## - Stop MariaDB Service
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## -
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if [[ -n "$MARIADB_INIT_SCRIPT" ]]; then
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$MARIADB_INIT_SCRIPT stop > /dev/null 2>&1
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else
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systemctl stop "$MARIADBD_SERVICE_FILE" > /dev/null 2>&1
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fi
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_msg=false
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sleep 5
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declare -i i=0
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PIDS="$(ps aux | grep -E "${MARIADB_PS_CHECK_STRING}" | grep -v grep | awk '{print$2}')"
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while [ "X$PIDS" != "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 MARIADB 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 MARIADB Processes .." >> $LOCK_DIR/extra_msg.txt
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echo "" >> $LOCK_DIR/extra_msg.txt
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error "Stopping MARIADB Service failed !!!"
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info "Going to kill MARIADB 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 MARIADB Processes failed !!!" >> $LOCK_DIR/extra_msg.txt
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echo "" >> $LOCK_DIR/extra_msg.txt
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error "Killing MARIADB Processes failed !!!"
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_msg=true
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break
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fi
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for _PID in $PIDS ; do
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kill -15 $_PID > /dev/null 2>&1
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done
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sleep 5
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PIDS="$(ps aux | grep -E "${MARIADB_PS_CHECK_STRING}" | grep -v grep | awk '{print$2}')"
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i=i+1
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done
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if $send_msg && $_msg ; then
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subject="[ Error ]: Stopping MARIADB Engine 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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}
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stop_mysql() {
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@ -885,11 +1038,11 @@ stop_mysql() {
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echo "" >> $LOCK_DIR/extra_msg.txt
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echo -e "\t[ Error ]: Stopping MySQL 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 MySQL Processes (mysqld_safe).." >> $LOCK_DIR/extra_msg.txt
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echo -e "\t[ Info ]; Going to kill MySQL Processes .." >> $LOCK_DIR/extra_msg.txt
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echo "" >> $LOCK_DIR/extra_msg.txt
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error "Stopping MySQL Service failed !!!"
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info "Going to kill MySQL Processes (mysqld_safe).."
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info "Going to kill MySQL Processes .."
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fi
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if [ $i -gt 10 ]; then
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@ -1255,6 +1408,68 @@ stop_redis() {
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}
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start_mariadb() {
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send_msg=$1
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send_msg=${send_msg:=true}
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# - Don't Start/Stop Services if package management is running (apt,aptitude,dpkg)
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# -
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if ( [[ "${os_dist,,}" = "debian" ]] || [[ "${os_dist,,}" = "ubuntu" ]] ) \
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&& $(lsof /var/lib/dpkg/lock >/dev/null 2>&1) ; then
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warn "It seems that package management (apt,dpkg) is running. Exiting '${FUNCNAME[0]}' now.."
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return 1
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fi
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if [[ -n "$MARIADB_INIT_SCRIPT" ]]; then
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$MARIADB_INIT_SCRIPT start > /dev/null 2>&1
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else
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systemctl start "$MARIADBD_SERVICE_FILE" > /dev/null 2>&1
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fi
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sleep 5
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NEWPID="$(ps aux | grep -E "${MARIADB_PS_CHECK_STRING}" | grep -v grep | awk '{print$2}' | head -1) "
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if [ "X${NEWPID}X" = "XX" ]; then
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echo "" >> $LOCK_DIR/extra_msg.txt
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echo -e "\t[ Error ]: I have started the MARIADB server, but the services is not running !!!" >> $LOCK_DIR/extra_msg.txt
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echo "" >> $LOCK_DIR/extra_msg.txt
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error "I have started the MARIADB server, but the service is not running !!!"
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datum=`date +"%d.%m.%Y %H:%Mh"`
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subject="[ Error ]: MARIADB 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 have started MARIADB service. 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 have started MARIADB service. 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 MARIADB 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_mysql() {
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send_msg=$1
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@ -1682,6 +1897,20 @@ restart_nginx() {
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fi
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}
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restart_mariadb(){
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## - Stop MySQL Service
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## -
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if stop_mariadb ; then
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sleep 2
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## - Start MySQL Service
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## -
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start_mariadb
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fi
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}
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restart_mysql(){
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## - Stop MySQL Service
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@ -1929,11 +2158,19 @@ EOF
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EOF
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stop_apache
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if $check_mysql ; then
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stop_mysql
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elif $check_mariadb ; then
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stop_mariadb
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fi
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sleep 60
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if $check_mysql ; then
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start_mysql
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elif $check_mariadb ; then
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start_mariadb
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fi
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start_apache
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else
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@ -1955,6 +2192,60 @@ EOF
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fi # End: check_load
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#---------------------------------------
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#-----------------------------
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# Checking MariaDB Database server..
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#-----------------------------
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#---------------------------------------
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if $check_mariadb ; then
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echo "" > $LOCK_DIR/extra_msg.txt
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if $terminal ; then
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echo -e "\nChecking MariaDB databse service on \"`hostname -f`\".."
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fi
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PID="$(ps aux | grep -E "${MARIADB_PS_CHECK_STRING}" | grep -v grep | awk '{print$2}')"
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echo ""
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echo "MARIADB_PS_CHECK_STRING: $MARIADB_PS_CHECK_STRING"
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echo "PID: $PID"
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echo "MYADMIN: $MYADMIN"
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echo ""
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echo "$MYADMIN $mariadb_credential_args ping 2>/dev/null"
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echo ""
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if [ "X${PID}X" = "XX" ];then
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echo -e "\nMariaDB is not running! - Try to restart service.." >> $LOCK_DIR/extra_msg.txt
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echo -e "=================================================" >> $LOCK_DIR/extra_msg.txt
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error "MariaDB is not running! - Try to restart it.."
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restart_mariadb
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else
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if [ -z "`$MYADMIN $mariadb_credential_args ping 2>/dev/null`" ]; then
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echo -e "\nMariaDB seems to be running, but NOT responding! - Try to restart service.." >> $LOCK_DIR/extra_msg.txt
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echo -e "=======================================================================" >> $LOCK_DIR/extra_msg.txt
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error "MariaDB seems to be running, but NOT responding! - Try to restart service.."
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restart_mariadb
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else
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if $terminal ; then
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ok "MariaDB database service 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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fi
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#---------------------------------------
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#-----------------------------
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# Checking MySQL Database server..
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@ -44,7 +44,8 @@
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# - What to check
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# -
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check_load=true
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check_mysql=true
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check_mysql=false
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check_mariadb=false
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# - PostgreSQL
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# -
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@ -108,7 +109,7 @@ check_website=false
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# - encrypted file.
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# -
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# - Create (encrypted) option file:
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# - $ mysql_config_editor set --login-path=local --socket=/run/mysqld/mysqld.sock --user=root --password
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# - $ mysql_config_editor set --login-path=local --socket=/tmp/mysql.sock --user=root --password
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# - $ Password:
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# -
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# - Use of option file:
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@ -120,7 +121,42 @@ check_website=false
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# - mysql_credential_args="--defaults-file=/etc/mysql/debian.cnf" (Debian default)
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# - mysql_credential_args="--defaults-file=/usr/local/mysql/sys-maint.cnf"
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# -
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mysql_credential_args=""
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# - defaults to:
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# - mysql_credential_args="--login-path=local"
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# -
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#mysql_credential_args="--login-path=local"
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# - Additional Settings for check_mariadb
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# -
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# - MariaDB credentials
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# -
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# - Giving password on command line is insecure an sind mysql 5.5
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# - you will get a warning doing so.
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# -
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# - Reading username/password fro file ist also possible, using MySQL/MariaDB
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# - commandline parameter '--defaults-file'.
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# -
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# - Since Mysql Version 5.6, you can read username/password from
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# - encrypted file.
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# -
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# - Create (encrypted) option file:
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# - $ mysql_config_editor set --login-path=local --socket=/tmp/mysql.sock --user=root --password
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# - $ Password:
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# -
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# - Use of option file:
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# - $ mysql --login-path=local ...
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# -
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# - Example
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# - mariadb_credential_args="-u root -S /run/mysqld/mysqld.sock"
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# - mariadb_credential_args="--login-path=local"
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# - mariadb_credential_args="--defaults-file=/etc/mysql/debian.cnf" (Debian default)
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# - mariadb_credential_args="--defaults-file=/usr/local/mysql/sys-maint.cnf"
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# -
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# - defaults to empty string
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# - mariadb_credential_args=""
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# -
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#mariadb_credential_args=""
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# - Additional Settings for check_php_fpm
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