zabbix监控redis服务
Posted 侠客书生
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1.redis_discovery.sh自动发现脚本
#!/bin/bash ARGS=("$@") DISCOVERY_TYPE=$1 REDIS_CLI_DEFAULT_PATH="usr/bin/redis-cli" STBDBUF_DEFAULT_PATH="/usr/bin/stdbuf" # USE FIRST ARGUMENT TO UNDERSTAND WHICH DISCOVERY TO PERFORM shift IFS=$\'\\n\' PASSWORDS=( "$@" ) LIST=$(ps -eo user,args | grep -v grep | grep redis-server | tr -s [:blank:] ":") if [[ " ${ARGS[@]} " =~ " debug " ]]; then set -x else set -e # RUDIMENTARY ERROR MECHANISM fi # REQUIRED UTILS TO BE ABLE TO RUN if [ -e /tmp/redis-cli ]; then REDIS_CLI=$(cat /tmp/redis-cli) else REDIS_CLI=$(locate redis-cli | head -n 1) if [ "$REDIS_CLI" = "" ]; then if [ -e $REDIS_CLI_DEFAULT_PATH ]; then REDIS_CLI_FILE=$(echo $REDIS_CLI_DEFAULT_PATH > /tmp/redis-cli) else echo "REDIS-CLI not found ...." exit 1 fi else REDIS_CLI_FILE=$(echo $REDIS_CLI > /tmp/redis-cli) fi fi if [ -a /tmp/stdbuf ]; then STDBUF=$(cat /tmp/stdbuf) else STDBUF=$(locate stdbuf | head -n 1) if [ "$STDBUF" = "" ]; then if [ -e $STBDBUF_DEFAULT_PATH ]; then STDBUF_FILE=$(echo $STBDBUF_DEFAULT_PATH > /tmp/stdbuf) else echo "STDBUF-CLI not found..." exit 1 fi else STDBUF_FILE=$(echo $STDBUF > /tmp/stdbuf) fi fi if [ "$DISCOVERY_TYPE" != "general" ] && [ "$DISCOVERY_TYPE" != "stats" ] && [ "$DISCOVERY_TYPE" != "replication" ]; then echo "USAGE: ./zbx_redis_discovery.sh where" echo "general - argument generate report with discovered instances" echo "stats - generates report for avalable commands" echo "replication - generates report for avalable slaves" exit 1 fi # PROBE DISCOVERED REDIS INSTACES - TO GET INSTANCE NAME# discover_redis_instance() { HOST=$1 PORT=$2 PASSWORD=$3 ALIVE=$($REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" ping) if [[ $ALIVE != "PONG" ]]; then return 1 else INSTANCE=$($REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" info | grep config_file | cut -d ":" -f2 | sed \'s/.conf//g\' | rev | cut -d "/" -f1 | rev | tr -d [:space:] | tr [:lower:] [:upper:]) # WHEN UNABLE TO IDENTIFY INSTANCE NAME BASED ON CONFIG if [ "$INSTANCE" = "" ]; then INSTANCE=$(echo "$HOST:$PORT") fi INSTANCE_RDB_PATH=$($REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" config get "dir" | cut -d " " -f2 | sed -n 2p) INSTANCE_RDB_FILE=$($REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" config get "dbfilename" | cut -d " " -f2 | sed -n 2p) fi echo $INSTANCE } # PROBE DISCOVERED REDIS INSTACES - TO GET RDB DATABASE# discover_redis_rdb_database() { HOST=$1 PORT=$2 PASSWORD=$3 ALIVE=$($REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" ping) if [[ $ALIVE != "PONG" ]]; then return 1 else INSTANCE_RDB_PATH=$($REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" config get "dir" | cut -d " " -f2 | sed -n 2p) INSTANCE_RDB_FILE=$($REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" config get "dbfilename" | cut -d " " -f2 | sed -n 2p) fi echo $INSTANCE_RDB_PATH/$INSTANCE_RDB_FILE } discover_redis_avalable_commands() { HOST=$1 PORT=$2 PASSWORD=$3 ALIVE=$($REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" ping) if [[ $ALIVE != "PONG" ]]; then return 1 else REDIS_COMMANDS=$($REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" info all | grep cmdstat | cut -d":" -f1) fi ( IFS=$\'\\n\'; echo "${REDIS_COMMANDS[*]}" ) } discover_redis_avalable_slaves() { HOST=$1 PORT=$2 PASSWORD=$3 ALIVE=$($REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" ping) if [[ $ALIVE != "PONG" ]]; then return 1 else REDIS_SLAVES=$($REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" info all | grep ^slave | cut -d ":" -f1 | grep [0-1024]) fi ( IFS=$\'\\n\'; echo "${REDIS_SLAVES[*]}" ) } # GENERATE ZABBIX DISCOVERY JSON REPONSE # generate_general_discovery_json() { HOST=$1 PORT=$2 INSTANCE=$3 RDB_PATH=$4 echo -n \'{\' echo -n \'"{#HOST}":"\'$HOST\'",\' echo -n \'"{#PORT}":"\'$PORT\'",\' echo -n \'"{#INSTANCE}":"\'$INSTANCE\'",\' echo -n \'"{#RDB_PATH}":"\'$RDB_PATH\'"\' echo -n \'},\' } # GENERATE ZABBIX DISCOVERY JSON REPONSE # generate_commands_discovery_json() { HOST=$1 PORT=$2 COMMAND=$3 INSTANCE=$4 echo -n \'{\' echo -n \'"{#HOST}":"\'$HOST\'",\' echo -n \'"{#PORT}":"\'$PORT\'",\' echo -n \'"{#COMMAND}":"\'$COMMAND\'",\' echo -n \'"{#INSTANCE}":"\'$INSTANCE\'"\' echo -n \'},\' } # GENERATE ZABBIX DISCOVERY JSON REPONSE # generate_replication_discovery_json() { HOST=$1 PORT=$2 SLAVE=$3 INSTANCE=$4 echo -n \'{\' echo -n \'"{#HOST}":"\'$HOST\'",\' echo -n \'"{#PORT}":"\'$PORT\'",\' echo -n \'"{#SLAVE}":"\'$SLAVE\'",\' echo -n \'"{#INSTANCE}":"\'$INSTANCE\'"\' echo -n \'},\' } # GENERATE ALL REPORTS REQUIRED FOR REDIS MONITORING # generate_redis_stats_report() { HOST=$1 PORT=$2 PASSWORD=$3 REDIS_REPORT=$(stdbuf -oL $REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" info all &> /tmp/redis-$HOST-$PORT) REDIS_SLOWLOG_LEN=$(stdbuf -oL $REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" slowlog len | cut -d " " -f2 &> /tmp/redis-$HOST-$PORT-slowlog-len; $REDIS_CLI -h $HOST -p $PORT -a $PASSWORD slowlog reset > /dev/null ) REDIS_SLOWLOG_RAW=$(stdbuf -oL $REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" slowlog get &> /tmp/redis-$HOST-$PORT-slowlog-raw) REDIS_MAX_CLIENTS=$(stdbuf -oL $REDIS_CLI -h $HOST -p $PORT -a "$PASSWORD" config get *"maxclients"* | cut -d " " -f2 | sed -n 2p &> /tmp/redis-$HOST-$PORT-maxclients) } # MAIN LOOP # echo -n \'{"data":[\' for s in $LIST; do HOST=$(echo $s | sed \'s/*/127.0.0.1/g\' | cut -d":" -f3) PORT=$(echo $s | sed \'s/*/127.0.0.1/g\' | cut -d":" -f4) # TRY PASSWORD PER EACH DISCOVERED INSTANCE if [[ ${#PASSWORDS[@]} -ne 0 ]]; then for (( i=0; i<${#PASSWORDS[@]}; i++ )); do PASSWORD=${PASSWORDS[$i]} INSTANCE=$(discover_redis_instance $HOST $PORT $PASSWORD) RDB_PATH=$(discover_redis_rdb_database $HOST $PORT $PASSWORD) COMMANDS=$(discover_redis_avalable_commands $HOST $PORT $PASSWORD) SLAVES=$(discover_redis_avalable_slaves $HOST $PORT $PASSWORD) if [[ -n $INSTANCE ]]; then # DECIDE WHICH REPORT TO GENERATE FOR DISCOVERY if [[ $DISCOVERY_TYPE == "general" ]]; then generate_redis_stats_report $HOST $PORT $PASSWORD generate_general_discovery_json $HOST $PORT $INSTANCE $RDB_PATH elif [[ $DISCOVERY_TYPE == "stats" ]]; then for COMMAND in ${COMMANDS}; do generate_commands_discovery_json $HOST $PORT $COMMAND $INSTANCE done elif [[ $DISCOVERY_TYPE == "replication" ]]; then for SLAVE in ${SLAVES}; do generate_replication_discovery_json $HOST $PORT $SLAVE $INSTANCE done fi fi done else INSTANCE=$(discover_redis_instance $HOST $PORT "") RDB_PATH=$(discover_redis_rdb_database $HOST $PORT "") COMMANDS=$(discover_redis_avalable_commands $HOST $PORT "") SLAVES=$(discover_redis_avalable_slaves $HOST $PORT "") if [[ -n $INSTANCE ]]; then # DECIDE WHICH REPORT TO GENERATE FOR DISCOVERY if [[ $DISCOVERY_TYPE == "general" ]]; then generate_redis_stats_report $HOST $PORT "" generate_general_discovery_json $HOST $PORT $INSTANCE $RDB_PATH elif [[ $DISCOVERY_TYPE == "stats" ]]; then for COMMAND in ${COMMANDS}; do generate_commands_discovery_json $HOST $PORT $COMMAND $INSTANCE done elif [[ $DISCOVERY_TYPE == "replication" ]]; then for SLAVE in ${SLAVES}; do generate_replication_discovery_json $HOST $PORT $SLAVE $INSTANCE done fi fi fi unset done | sed -e \'s:\\},$:\\}:\' echo -n \']}\' echo \'\' unset IFS
2.userparameters_redis.conf文件
# DISCOVERY (@PARAMS = #1 PASSWORDS LIST) UserParameter=redis.discovery[*], /etc/zabbix/custom/zbx_redis_discovery.sh $1 $2 # METRICS (@PARAMS = #1 - METRIC, #2 - REDIS HOST, #3 - REDIS PORT) # EXAMPLE: master_last_io_seconds_ago:7 UserParameter=redis.stat.get[*],output=`cat /tmp/redis-$2-$3 | grep "$1:" | cut -d":" -f2`; if [ -z $output ]; then echo 0; else echo $output; fi # METRICS (@PARAMS = #1 - METRIC, #2 - METRIC SUBKEY, #3 - REDIS HOST, #4 - REDIS PORT) # EXAMPLE: cmdstat_ping:calls=142434,usec=210078,usec_per_call=1.47 UserParameter=redis.stat.mget[*],output=`cat /tmp/redis-$3-$4 | grep "$1:" | grep -oP \'(?<=\\b$2=)[^,]+\'`; if [ -z $output ]; then echo 0; else echo $output; fi # METRICS (@PARAMS = #1 - REDIS HOST, #2 - REDIS PORT) UserParameter=redis.slowlog.count[*],output=`cat /tmp/redis-$1-$2-slowlog-len`; if [ -z $output ]; then echo 0; else echo $output; fi UserParameter=redis.slowlog.get[*],output=`cat /tmp/redis-$1-$2-slowlog-raw`; if [[ -z $output ]]; then echo 0; else echo $output; fi UserParameter=redis.maxclients[*],output=`cat /tmp/redis-$1-$2-maxclients`; if [ -z $output ]; then echo 0; else echo $output; fi
3.下载zabbix模板并导入
https://files-cdn.cnblogs.com/files/wsl222000/zbx_export_templates.xml
4.添加密码变量
5.修改zabbix_agentd.conf配置，添加主动模式
ServerActive=
Hostname=
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