zabbix通过php脚本模拟业务访问redis验证nosql的可用性

背景：
redis通过shell脚本进行监控，没有问题，应用报警连不上redis，此时需要通过php模拟web环境进行redis的操作来确认web服务器是否能正常和redis通信

.配置nginx，让监控redis的php脚本能通过url访问到redis

# nginx.conf的配置修改

location ~ ^/php {
    root   /data/www/html;
    location ~ php(.+\.php)(.*)$ {
    fastcgi_pass  unix:/tmp/php-cgi.sock;
    fastcgi_index  index.php;
    fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
    include fastcgi_params;
    expires -;
    if ($request_uri ~ "^(.*)(\?.*)$") {
        set $path_info $;
    }
    fastcgi_param PATH_INFO $path_info;
    set $path_info $request_uri;
    }
    index  watchphp.php;
} 

.编写监控脚本

# mkdir -p /data/www/html/php
# vim /data/www/html/php/redis_monitor.php

<?php

/*
    redis_monitor.php
    author:reblue520
    通过类似 http://127.0.0.1/php/eus_redis_monitor.php?func_name='store_redis' php web的访问来判断redis的可用性

 */
//通过获取/data/www/machine_no/.machine_no获取机房进行redis的判断

//$machine_no = trim(file_get_contents("/data/www/machine_no/.machine_no"));
//empty($machineNo) && $machine_no = 'ws';
//echo "machineno=$machine_no";

// 获取机房编号
/*
$file_path = "/data/www/machine_no/.machine_no";

if(file_exists($file_path)) {
    $machine_no = file_get_contents($file_path);
    $machine_no= str_replace("\r\n","<br />",$machine_no);
    if (empty($machine_no)){
        $machine_no = 'ws';
    }
}
*/

function conn_redis($redis_domain, $redis_port, $redis_pass){
    //创建 Redis 对象
    $redis = new Redis();
    // global $redis;
    $redis->connect($redis_domain, $redis_port);
    $redis->auth($redis_pass);

    //设置 redis 字符串数据，并返回该设置的字符串
    $redis->set("tutorial-name", "Redis-tutorial");

    $result = $redis->get("tutorial-name");
    return $result;
}

function eus_store_redis() {
    global $machine_no;

    $res = conn_redis('store-cart.chinasoft.com', , 'pass');

    if ($res == "Redis-tutorial") {
        echo "store_success";
    }else {
        echo "store_fail";
    }
}

function ws_store_redis() {
    global $machine_no;

    $res = conn_redis('cart.chinasoft.com', , 'pass');

    if ($res == "Redis-tutorial") {
        echo "store_success";
    }else {
        echo "store_fail";
    }
}

function platform_redis() {

    $res = conn_redis('cbs_out.chinasoft.com', , 'pass');
    if ($res == "Redis-tutorial") {
        echo "platform_success";
    }else {
        echo "platform_fail";
    }
}

function cbs_redis() {

    $res = conn_redis('cbs_out.chinasoft.com', , 'pass');
    if ($res == "Redis-tutorial") {
        echo "cbs_success";
    }else {
        echo "cbs_fail";
    }
}

// 通过get参数获取不同的应用redis
$func_name = $_GET['func_name'];

if ($func_name == "store_redis") {
    eus_store_redis();
}elseif($func_name == "platform_redis"){
    platform_redis();
}elseif($func_name == "cbs_redis"){
    cbs_redis();
}

?>

.监控的配置

[root@zabbix:/data/www/html/php]# cat /usr/local/zabbix_agents_3.2.0/conf/zabbix_agentd/redis_monitor.conf
UserParameter=redis.store_redis,/usr/bin/curl -s http://127.0.0.1/php/eus_redis_monitor.php?func_name='store_redis'
UserParameter=redis.cbs_redis,/usr/bin/curl -s http://127.0.0.1/php/eus_redis_monitor.php?func_name='cbs_redis'
UserParameter=redis.platform_redis,/usr/bin/curl -s http://127.0.0.1/php/eus_redis_monitor.php?func_name='platform_redis'

.模板

模板

<?xml version="1.0" encoding="UTF-8"?>
<zabbix_export>
    <version>3.2</version>
    <date>2019-01-30T01:43:08Z</date>
    <groups>
        <group>
            <name>Templates</name>
        </group>
    </groups>
    <templates>
        <template>
            <template>redis_php_monitor</template>
            <name>redis_php_monitor</name>
            <description/>
            <groups>
                <group>
                    <name>Templates</name>
                </group>
            </groups>
            <applications/>
            <items>
                <item>
                    <name>cbs_redis</name>
                    <type>0</type>
                    <snmp_community/>
                    <multiplier>0</multiplier>
                    <snmp_oid/>
                    <key>redis.cbs_redis</key>
                    <delay>180</delay>
                    <history>90</history>
                    <trends>0</trends>
                    <status>0</status>
                    <value_type>1</value_type>
                    <allowed_hosts/>
                    <units/>
                    <delta>0</delta>
                    <snmpv3_contextname/>
                    <snmpv3_securityname/>
                    <snmpv3_securitylevel>0</snmpv3_securitylevel>
                    <snmpv3_authprotocol>0</snmpv3_authprotocol>
                    <snmpv3_authpassphrase/>
                    <snmpv3_privprotocol>0</snmpv3_privprotocol>
                    <snmpv3_privpassphrase/>
                    <formula>1</formula>
                    <delay_flex>120/1-7,00:00-24:00</delay_flex>
                    <params/>
                    <ipmi_sensor/>
                    <data_type>0</data_type>
                    <authtype>0</authtype>
                    <username/>
                    <password/>
                    <publickey/>
                    <privatekey/>
                    <port/>
                    <description/>
                    <inventory_link>0</inventory_link>
                    <applications/>
                    <valuemap/>
                    <logtimefmt/>
                </item>
                <item>
                    <name>platform_redis</name>
                    <type>0</type>
                    <snmp_community/>
                    <multiplier>0</multiplier>
                    <snmp_oid/>
                    <key>redis.platform_redis</key>
                    <delay>180</delay>
                    <history>90</history>
                    <trends>0</trends>
                    <status>0</status>
                    <value_type>1</value_type>
                    <allowed_hosts/>
                    <units/>
                    <delta>0</delta>
                    <snmpv3_contextname/>
                    <snmpv3_securityname/>
                    <snmpv3_securitylevel>0</snmpv3_securitylevel>
                    <snmpv3_authprotocol>0</snmpv3_authprotocol>
                    <snmpv3_authpassphrase/>
                    <snmpv3_privprotocol>0</snmpv3_privprotocol>
                    <snmpv3_privpassphrase/>
                    <formula>1</formula>
                    <delay_flex>120/1-7,00:00-24:00</delay_flex>
                    <params/>
                    <ipmi_sensor/>
                    <data_type>0</data_type>
                    <authtype>0</authtype>
                    <username/>
                    <password/>
                    <publickey/>
                    <privatekey/>
                    <port/>
                    <description/>
                    <inventory_link>0</inventory_link>
                    <applications/>
                    <valuemap/>
                    <logtimefmt/>
                </item>
                <item>
                    <name>store_redis</name>
                    <type>0</type>
                    <snmp_community/>
                    <multiplier>0</multiplier>
                    <snmp_oid/>
                    <key>redis.store_redis</key>
                    <delay>180</delay>
                    <history>90</history>
                    <trends>0</trends>
                    <status>0</status>
                    <value_type>1</value_type>
                    <allowed_hosts/>
                    <units/>
                    <delta>0</delta>
                    <snmpv3_contextname/>
                    <snmpv3_securityname/>
                    <snmpv3_securitylevel>0</snmpv3_securitylevel>
                    <snmpv3_authprotocol>0</snmpv3_authprotocol>
                    <snmpv3_authpassphrase/>
                    <snmpv3_privprotocol>0</snmpv3_privprotocol>
                    <snmpv3_privpassphrase/>
                    <formula>1</formula>
                    <delay_flex>120/1-7,00:00-24:00</delay_flex>
                    <params/>
                    <ipmi_sensor/>
                    <data_type>0</data_type>
                    <authtype>0</authtype>
                    <username/>
                    <password/>
                    <publickey/>
                    <privatekey/>
                    <port/>
                    <description/>
                    <inventory_link>0</inventory_link>
                    <applications/>
                    <valuemap/>
                    <logtimefmt/>
                </item>
            </items>
            <discovery_rules/>
            <httptests/>
            <macros/>
            <templates/>
            <screens/>
        </template>
    </templates>
    <triggers>
        <trigger>
            <expression>{redis_php_monitor:redis.cbs_redis.str(cbs_success)}=0</expression>
            <recovery_mode>0</recovery_mode>
            <recovery_expression/>
            <name>redis.cbs connection error</name>
            <correlation_mode>0</correlation_mode>
            <correlation_tag/>
            <url/>
            <status>0</status>
            <priority>0</priority>
            <description/>
            <type>0</type>
            <manual_close>0</manual_close>
            <dependencies/>
            <tags/>
        </trigger>
        <trigger>
            <expression>{redis_php_monitor:redis.platform_redis.str(platform_success)}=0</expression>
            <recovery_mode>0</recovery_mode>
            <recovery_expression/>
            <name>redis.platform connection error</name>
            <correlation_mode>0</correlation_mode>
            <correlation_tag/>
            <url/>
            <status>0</status>
            <priority>0</priority>
            <description/>
            <type>0</type>
            <manual_close>0</manual_close>
            <dependencies/>
            <tags/>
        </trigger>
        <trigger>
            <expression>{redis_php_monitor:redis.store_redis.str(store_success)}=0</expression>
            <recovery_mode>0</recovery_mode>
            <recovery_expression/>
            <name>redis.store connection error</name>
            <correlation_mode>0</correlation_mode>
            <correlation_tag/>
            <url/>
            <status>0</status>
            <priority>0</priority>
            <description/>
            <type>0</type>
            <manual_close>0</manual_close>
            <dependencies/>
            <tags/>
        </trigger>
    </triggers>
</zabbix_export>