zabbix监控docker容器

1、环境说明

由于最近zabbix进行过一次迁移,所以zabbix-server系列采用docker方式安装,参考zabbix官网:https://github.com/zabbix/zabbix-docker。为适应本地环境和需求,docker-compose.yml文件有改动,具体内容如下:

docker-compose.yml文件

version: '3.5'
services:
 zabbix-server:
  image: zabbix/zabbix-server-mysql:centos-4.2-latest
  ports:
   - "10051:10051"
  volumes:
   - /etc/localtime:/etc/localtime:ro
   - /etc/timezone:/etc/timezone:ro 
   - ./zbx_env/usr/lib/zabbix/alertscripts:/usr/lib/zabbix/alertscripts:ro
   - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
   - ./zbx_env/var/lib/zabbix/modules:/var/lib/zabbix/modules:ro
   - ./zbx_env/var/lib/zabbix/enc:/var/lib/zabbix/enc:ro
   - ./zbx_env/var/lib/zabbix/ssh_keys:/var/lib/zabbix/ssh_keys:ro
   - ./zbx_env/var/lib/zabbix/mibs:/var/lib/zabbix/mibs:ro
  links:
   - mysql-server:mysql-server
  container_name: zabbix-server
  restart: unless-stopped
  ulimits:
   nproc: 65535
   nofile:
    soft: 20000
    hard: 40000
  env_file:
   - .env_db_mysql
   - .env_srv
  secrets:
   - MYSQL_USER
   - MYSQL_PASSWORD
   - MYSQL_ROOT_PASSWORD
  user: root
  depends_on:
   - mysql-server
  stop_grace_period: 30s
  sysctls:
   - net.ipv4.ip_local_port_range=1024 65000
   - net.ipv4.conf.all.accept_redirects=0
   - net.ipv4.conf.all.secure_redirects=0
   - net.ipv4.conf.all.send_redirects=0

 zabbix-web-nginx-mysql:
  image: zabbix/zabbix-web-nginx-mysql:centos-4.2-latest
  ports:
   - "8081:80"
   - "8443:443"
  links:
   - mysql-server:mysql-server
   - zabbix-server:zabbix-server
  container_name: zabbix-web-nginx-mysql
  restart: unless-stopped
  volumes:
   - /etc/localtime:/etc/localtime:ro
   - /etc/timezone:/etc/timezone:ro
   - ./zbx_env/etc/ssl/nginx:/etc/ssl/nginx:ro
  env_file:
   - .env_db_mysql
   - .env_web
  secrets:
   - MYSQL_USER
   - MYSQL_PASSWORD
  user: root
  depends_on:
   - mysql-server
   - zabbix-server
  healthcheck:
   test: ["CMD", "curl", "-f", "http://localhost"]
   interval: 10s
   timeout: 5s
   retries: 3
   start_period: 30s
  stop_grace_period: 10s
  sysctls:
   - net.core.somaxconn=65535

 zabbix-agent:
  image: zabbix/zabbix-agent:centos-4.2-latest
  ports:
   - "10050:10050"
  volumes:
   - /etc/localtime:/etc/localtime:ro
   - /etc/timezone:/etc/timezone:ro
   - ./zbx_env/etc/zabbix/zabbix_agentd.d:/etc/zabbix/zabbix_agentd.d:ro
   - ./zbx_env/usr/lib/zabbix/alertscripts:/usr/lib/zabbix/alertscripts:ro
   - ./zbx_env/usr/lib/zabbix/externalscripts:/usr/lib/zabbix/externalscripts:ro
   - ./zbx_env/var/lib/zabbix/modules:/var/lib/zabbix/modules:ro
   - ./zbx_env/var/lib/zabbix/enc:/var/lib/zabbix/enc:ro
   - ./zbx_env/var/lib/zabbix/ssh_keys:/var/lib/zabbix/ssh_keys:ro
  links:
   - zabbix-server:zabbix-server
  restart: unless-stopped
  container_name: zabbix-agent
  env_file:
   - .env_agent
  user: root
  privileged: true
  pid: "host"
  stop_grace_period: 5s

 mysql-server:
  image: mysql:8.0
  ports:
   - "33060:3306"
  command: [mysqld, --character-set-server=utf8, --collation-server=utf8_bin, --default-authentication-plugin=mysql_native_password]
  volumes:
   - ./zbx_env/var/lib/mysql:/var/lib/mysql:rw
  restart: unless-stopped
  container_name: mysql-server
  env_file:
   - .env_db_mysql
  secrets:
   - MYSQL_USER
   - MYSQL_PASSWORD
   - MYSQL_ROOT_PASSWORD
  user: root
  stop_grace_period: 1m

secrets:
  MYSQL_USER:
    file: ./.MYSQL_USER
  MYSQL_PASSWORD:
    file: ./.MYSQL_PASSWORD
  MYSQL_ROOT_PASSWORD:
    file: ./.MYSQL_ROOT_PASSWORD
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2、zabbix添加自定义监控

(1)zabbix_server.conf配置

#脚本路径
AlertScriptsPath=/usr/lib/zabbix/alertscripts ExternalScripts=/usr/lib/zabbix/externalscripts

(2)zabbix_agent.conf配置

##允许使用用户自定义参数
UnsafeUserParameters=1
##导入该文件下的配置
Include=/etc/zabbix/zabbix_agentd.d/*.conf

(3)自定义监控脚本

/usr/lib/zabbix/externalscripts/docker_discovery.py,搜集正在运行的容器的名称

#!/usr/bin/env python
# -*- coding: utf-8 -*
import os
import simplejson as json
t=os.popen("""docker ps |grep -v 'CONTAINER ID'|awk {'print $NF'} """)
container_name = []
for container in t.readlines():
    r = os.path.basename(container.strip())
    container_name += [{'{#CONTAINERNAME}':r}]
print(json.dumps({'data':container_name},sort_keys=True,indent=4,separators=(',',':')))
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安装python3 所需要的包

pip3 install simplejson

docker_discovery.py执行结果

python3 docker_discovery.py
{
    "data":[
        {
            "{#CONTAINERNAME}":"nginx"
        },
        {
            "{#CONTAINERNAME}":"fortune"
        }
    ]
}
View Code

/usr/lib/zabbix/externalscripts/docker_monitor.py,输入容器名称以及监控项,输出数据

#!/usr/bin/env python
import docker
import sys
import subprocess
import os

def check_container_stats(container_name,collect_item):
    
    if collect_item == "ping":
        cmd = 'docker inspect --format="{{.State.Running}}" %s' % container_name
        result = os.popen(cmd).read().replace("
","")
        if result == "true":
            return 1
        else:
            return 0

    #:docker_client = docker_client.containers.get(container_name)
    container_collect=docker_client.containers.get(container_name).stats(stream=True)
    old_result=eval(next(container_collect))
    new_result=eval(next(container_collect))
    print(new_result)
    container_collect.close()
    if collect_item == 'cpu_total_usage':
        result=new_result['cpu_stats']['cpu_usage']['total_usage'] - old_result['cpu_stats']['cpu_usage']['total_usage']
    elif collect_item == 'cpu_system_usage':
        result=new_result['cpu_stats']['system_cpu_usage'] - old_result['cpu_stats']['system_cpu_usage']
    elif collect_item == 'cpu_percent':
        cpu_total_usage=new_result['cpu_stats']['cpu_usage']['total_usage'] - old_result['cpu_stats']['cpu_usage']['total_usage']
        cpu_system_uasge=new_result['cpu_stats']['system_cpu_usage'] - old_result['cpu_stats']['system_cpu_usage']
        cpu_num=len(old_result['cpu_stats']['cpu_usage']['percpu_usage'])
        result=round((float(cpu_total_usage)/float(cpu_system_uasge))*cpu_num*100.0,2)
    elif collect_item == 'mem_usage':
        result=new_result['memory_stats']['usage']
    elif collect_item == 'mem_limit':
        result=new_result['memory_stats']['limit']
    elif collect_item == 'network_rx_bytes':
        result=new_result['networks']['eth0']['rx_bytes']
    elif collect_item == 'network_tx_bytes':
        result=new_result['networks']['eth0']['tx_bytes']
    elif collect_item == 'mem_percent':
        mem_usage=new_result['memory_stats']['usage']
        mem_limit=new_result['memory_stats']['limit']
        result=round(float(mem_usage)/float(mem_limit)*100.0,2)
    return result
if __name__ == "__main__":
    docker_client = docker.DockerClient(base_url='unix://var/run/docker.sock')
    container_name=sys.argv[1]
    collect_item=sys.argv[2]
    print(check_container_stats(container_name,collect_item)
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安装python3依赖的包

pip3 install docker

docker_monitor.py执行结果

python3 docker_monitor.py nginx mem_percent
0.49
View Code

(4)脚本赋执行权限

chmod +x docker_discovery.py
chmod +x docker_monitor.py

(5)自定义监控配置文件

/etc/zabbix/zabbix_agentd.d/docker_discovery.conf 
UserParameter=docker_discovery,/usr/bin/python3 /usr/lib/zabbix/externalscripts/docker_discovery.py
UserParameter=docker_status[*],/usr/bin/python3 /usr/lib/zabbix/externalscripts/docker_monitor.py $1 $2

 (6)导入模板

<?xml version="1.0" encoding="UTF-8"?>
<zabbix_export>
    <version>4.2</version>
    <date>2019-09-27T06:35:12Z</date>
    <groups>
        <group>
            <name>Templates</name>
        </group>
    </groups>
    <templates>
        <template>
            <template>Template Discovery Docker</template>
            <name>Template Discovery Docker</name>
            <description/>
            <groups>
                <group>
                    <name>Templates</name>
                </group>
            </groups>
            <applications/>
            <items/>
            <discovery_rules>
                <discovery_rule>
                    <name>collect docker container use resource</name>
                    <type>0</type>
                    <snmp_community/>
                    <snmp_oid/>
                    <key>docker_discovery</key>
                    <delay>30s</delay>
                    <status>0</status>
                    <allowed_hosts/>
                    <snmpv3_contextname/>
                    <snmpv3_securityname/>
                    <snmpv3_securitylevel>0</snmpv3_securitylevel>
                    <snmpv3_authprotocol>0</snmpv3_authprotocol>
                    <snmpv3_authpassphrase/>
                    <snmpv3_privprotocol>0</snmpv3_privprotocol>
                    <snmpv3_privpassphrase/>
                    <params/>
                    <ipmi_sensor/>
                    <authtype>0</authtype>
                    <username/>
                    <password/>
                    <publickey/>
                    <privatekey/>
                    <port/>
                    <filter>
                        <evaltype>0</evaltype>
                        <formula/>
                        <conditions>
                            <condition>
                                <macro>{#CONTAINERNAME}</macro>
                                <value/>
                                <operator>8</operator>
                                <formulaid>A</formulaid>
                            </condition>
                        </conditions>
                    </filter>
                    <lifetime>30d</lifetime>
                    <description/>
                    <item_prototypes>
                        <item_prototype>
                            <name>docker:{#CONTAINERNAME}:cpu_percent</name>
                            <type>0</type>
                            <snmp_community/>
                            <snmp_oid/>
                            <key>docker_status[{#CONTAINERNAME},cpu_percent]</key>
                            <delay>30s</delay>
                            <history>90d</history>
                            <trends>365d</trends>
                            <status>0</status>
                            <value_type>0</value_type>
                            <allowed_hosts/>
                            <units>%</units>
                            <snmpv3_contextname/>
                            <snmpv3_securityname/>
                            <snmpv3_securitylevel>0</snmpv3_securitylevel>
                            <snmpv3_authprotocol>0</snmpv3_authprotocol>
                            <snmpv3_authpassphrase/>
                            <snmpv3_privprotocol>0</snmpv3_privprotocol>
                            <snmpv3_privpassphrase/>
                            <params/>
                            <ipmi_sensor/>
                            <authtype>0</authtype>
                            <username/>
                            <password/>
                            <publickey/>
                            <privatekey/>
                            <port/>
                            <description/>
                            <inventory_link>0</inventory_link>
                            <applications/>
                            <valuemap/>
                            <logtimefmt/>
                            <preprocessing/>
                            <jmx_endpoint/>
                            <timeout>3s</timeout>
                            <url/>
                            <query_fields/>
                            <posts/>
                            <status_codes>200</status_codes>
                            <follow_redirects>1</follow_redirects>
                            <post_type>0</post_type>
                            <http_proxy/>
                            <headers/>
                            <retrieve_mode>0</retrieve_mode>
                            <request_method>0</request_method>
                            <output_format>0</output_format>
                            <allow_traps>0</allow_traps>
                            <ssl_cert_file/>
                            <ssl_key_file/>
                            <ssl_key_password/>
                            <verify_peer>0</verify_peer>
                            <verify_host>0</verify_host>
                            <application_prototypes/>
                            <master_item/>
                        </item_prototype>
                        <item_prototype>
                            <name>docker:{#CONTAINERNAME}:cpu_total_usage</name>
                            <type>0</type>
                            <snmp_community/>
                            <snmp_oid/>
                            <key>docker_status[{#CONTAINERNAME},cpu_total_usage]</key>
                            <delay>30s</delay>
                            <history>90d</history>
                            <trends>365d</trends>
                            <status>0</status>
                            <value_type>3</value_type>
                            <allowed_hosts/>
                            <units/>
                            <snmpv3_contextname/>
                            <snmpv3_securityname/>
                            <snmpv3_securitylevel>0</snmpv3_securitylevel>
                            <snmpv3_authprotocol>0</snmpv3_authprotocol>
                            <snmpv3_authpassphrase/>
                            <snmpv3_privprotocol>0</snmpv3_privprotocol>
                            <snmpv3_privpassphrase/>
                            <params/>
                            <ipmi_sensor/>
                            <authtype>0</authtype>
                            <username/>
                            <password/>
                            <publickey/>
                            <privatekey/>
                            <port/>
                            <description/>
                            <inventory_link>0</inventory_link>
                            <applications/>
                            <valuemap/>
                            <logtimefmt/>
                            <preprocessing/>
                            <jmx_endpoint/>
                            <timeout>3s</timeout>
                            <url/>
                            <query_fields/>
                            <posts/>
                            <status_codes>200</status_codes>
                            <follow_redirects>1</follow_redirects>
                            <post_type>0</post_type>
                            <http_proxy/>
                            <headers/>
                            <retrieve_mode>0</retrieve_mode>
                            <request_method>0</request_method>
                            <output_format>0</output_format>
                            <allow_traps>0</allow_traps>
                            <ssl_cert_file/>
                            <ssl_key_file/>
                            <ssl_key_password/>
                            <verify_peer>0</verify_peer>
                            <verify_host>0</verify_host>
                            <application_prototypes/>
                            <master_item/>
                        </item_prototype>
                        <item_prototype>
                            <name>docker:{#CONTAINERNAME}:men_percent</name>
                            <type>0</type>
                            <snmp_community/>
                            <snmp_oid/>
                            <key>docker_status[{#CONTAINERNAME},mem_percent]</key>
                            <delay>30s</delay>
                            <history>90d</history>
                            <trends>365d</trends>
                            <status>0</status>
                            <value_type>0</value_type>
                            <allowed_hosts/>
                            <units>%</units>
                            <snmpv3_contextname/>
                            <snmpv3_securityname/>
                            <snmpv3_securitylevel>0</snmpv3_securitylevel>
                            <snmpv3_authprotocol>0</snmpv3_authprotocol>
                            <snmpv3_authpassphrase/>
                            <snmpv3_privprotocol>0</snmpv3_privprotocol>
                            <snmpv3_privpassphrase/>
                            <params/>
                            <ipmi_sensor/>
                            <authtype>0</authtype>
                            <username/>
                            <password/>
                            <publickey/>
                            <privatekey/>
                            <port/>
                            <description/>
                            <inventory_link>0</inventory_link>
                            <applications/>
                            <valuemap/>
                            <logtimefmt/>
                            <preprocessing/>
                            <jmx_endpoint/>
                            <timeout>3s</timeout>
                            <url/>
                            <query_fields/>
                            <posts/>
                            <status_codes>200</status_codes>
                            <follow_redirects>1</follow_redirects>
                            <post_type>0</post_type>
                            <http_proxy/>
                            <headers/>
                            <retrieve_mode>0</retrieve_mode>
                            <request_method>0</request_method>
                            <output_format>0</output_format>
                            <allow_traps>0</allow_traps>
                            <ssl_cert_file/>
                            <ssl_key_file/>
                            <ssl_key_password/>
                            <verify_peer>0</verify_peer>
                            <verify_host>0</verify_host>
                            <application_prototypes/>
                            <master_item/>
                        </item_prototype>
                        <item_prototype>
                            <name>docker:{#CONTAINERNAME}:men_usage</name>
                            <type>0</type>
                            <snmp_community/>
                            <snmp_oid/>
                            <key>docker_status[{#CONTAINERNAME},mem_usage]</key>
                            <delay>30s</delay>
                            <history>90d</history>
                            <trends>365d</trends>
                            <status>0</status>
                            <value_type>0</value_type>
                            <allowed_hosts/>
                            <units>%</units>
                            <snmpv3_contextname/>
                            <snmpv3_securityname/>
                            <snmpv3_securitylevel>0</snmpv3_securitylevel>
                            <snmpv3_authprotocol>0</snmpv3_authprotocol>
                            <snmpv3_authpassphrase/>
                            <snmpv3_privprotocol>0</snmpv3_privprotocol>
                            <snmpv3_privpassphrase/>
                            <params/>
                            <ipmi_sensor/>
                            <authtype>0</authtype>
                            <username/>
                            <password/>
                            <publickey/>
                            <privatekey/>
                            <port/>
                            <description/>
                            <inventory_link>0</inventory_link>
                            <applications/>
                            <valuemap/>
                            <logtimefmt/>
                            <preprocessing/>
                            <jmx_endpoint/>
                            <timeout>3s</timeout>
                            <url/>
                            <query_fields/>
                            <posts/>
                            <status_codes>200</status_codes>
                            <follow_redirects>1</follow_redirects>
                            <post_type>0</post_type>
                            <http_proxy/>
                            <headers/>
                            <retrieve_mode>0</retrieve_mode>
                            <request_method>0</request_method>
                            <output_format>0</output_format>
                            <allow_traps>0</allow_traps>
                            <ssl_cert_file/>
                            <ssl_key_file/>
                            <ssl_key_password/>
                            <verify_peer>0</verify_peer>
                            <verify_host>0</verify_host>
                            <application_prototypes/>
                            <master_item/>
                        </item_prototype>
                        <item_prototype>
                            <name>docker:{#CONTAINERNAME}:network_rx_bytes</name>
                            <type>0</type>
                            <snmp_community/>
                            <snmp_oid/>
                            <key>docker_status[{#CONTAINERNAME},network_rx_bytes]</key>
                            <delay>30s</delay>
                            <history>90d</history>
                            <trends>365d</trends>
                            <status>0</status>
                            <value_type>0</value_type>
                            <allowed_hosts/>
                            <units>%</units>
                            <snmpv3_contextname/>
                            <snmpv3_securityname/>
                            <snmpv3_securitylevel>0</snmpv3_securitylevel>
                            <snmpv3_authprotocol>0</snmpv3_authprotocol>
                            <snmpv3_authpassphrase/>
                            <snmpv3_privprotocol>0</snmpv3_privprotocol>
                            <snmpv3_privpassphrase/>
                            <params/>
                            <ipmi_sensor/>
                            <authtype>0</authtype>
                            <username/>
                            <password/>
                            <publickey/>
                            <privatekey/>
                            <port/>
                            <description/>
                            <inventory_link>0</inventory_link>
                            <applications/>
                            <valuemap/>
                            <logtimefmt/>
                            <preprocessing/>
                            <jmx_endpoint/>
                            <timeout>3s</timeout>
                            <url/>
                            <query_fields/>
                            <posts/>
                            <status_codes>200</status_codes>
                            <follow_redirects>1</follow_redirects>
                            <post_type>0</post_type>
                            <http_proxy/>
                            <headers/>
                            <retrieve_mode>0</retrieve_mode>
                            <request_method>0</request_method>
                            <output_format>0</output_format>
                            <allow_traps>0</allow_traps>
                            <ssl_cert_file/>
                            <ssl_key_file/>
                            <ssl_key_password/>
                            <verify_peer>0</verify_peer>
                            <verify_host>0</verify_host>
                            <application_prototypes/>
                            <master_item/>
                        </item_prototype>
                        <item_prototype>
                            <name>docker:{#CONTAINERNAME}:network_tx_bytes</name>
                            <type>0</type>
                            <snmp_community/>
                            <snmp_oid/>
                            <key>docker_status[{#CONTAINERNAME},network_tx_bytes]</key>
                            <delay>30s</delay>
                            <history>90d</history>
                            <trends>365d</trends>
                            <status>0</status>
                            <value_type>0</value_type>
                            <allowed_hosts/>
                            <units>%</units>
                            <snmpv3_contextname/>
                            <snmpv3_securityname/>
                            <snmpv3_securitylevel>0</snmpv3_securitylevel>
                            <snmpv3_authprotocol>0</snmpv3_authprotocol>
                            <snmpv3_authpassphrase/>
                            <snmpv3_privprotocol>0</snmpv3_privprotocol>
                            <snmpv3_privpassphrase/>
                            <params/>
                            <ipmi_sensor/>
                            <authtype>0</authtype>
                            <username/>
                            <password/>
                            <publickey/>
                            <privatekey/>
                            <port/>
                            <description/>
                            <inventory_link>0</inventory_link>
                            <applications/>
                            <valuemap/>
                            <logtimefmt/>
                            <preprocessing/>
                            <jmx_endpoint/>
                            <timeout>3s</timeout>
                            <url/>
                            <query_fields/>
                            <posts/>
                            <status_codes>200</status_codes>
                            <follow_redirects>1</follow_redirects>
                            <post_type>0</post_type>
                            <http_proxy/>
                            <headers/>
                            <retrieve_mode>0</retrieve_mode>
                            <request_method>0</request_method>
                            <output_format>0</output_format>
                            <allow_traps>0</allow_traps>
                            <ssl_cert_file/>
                            <ssl_key_file/>
                            <ssl_key_password/>
                            <verify_peer>0</verify_peer>
                            <verify_host>0</verify_host>
                            <application_prototypes/>
                            <master_item/>
                        </item_prototype>
                        <item_prototype>
                            <name>docker:{#CONTAINERNAME}:is run</name>
                            <type>0</type>
                            <snmp_community/>
                            <snmp_oid/>
                            <key>docker_status[{#CONTAINERNAME},ping]</key>
                            <delay>30s</delay>
                            <history>90d</history>
                            <trends>365d</trends>
                            <status>0</status>
                            <value_type>0</value_type>
                            <allowed_hosts/>
                            <units>%</units>
                            <snmpv3_contextname/>
                            <snmpv3_securityname/>
                            <snmpv3_securitylevel>0</snmpv3_securitylevel>
                            <snmpv3_authprotocol>0</snmpv3_authprotocol>
                            <snmpv3_authpassphrase/>
                            <snmpv3_privprotocol>0</snmpv3_privprotocol>
                            <snmpv3_privpassphrase/>
                            <params/>
                            <ipmi_sensor/>
                            <authtype>0</authtype>
                            <username/>
                            <password/>
                            <publickey/>
                            <privatekey/>
                            <port/>
                            <description/>
                            <inventory_link>0</inventory_link>
                            <applications/>
                            <valuemap/>
                            <logtimefmt/>
                            <preprocessing/>
                            <jmx_endpoint/>
                            <timeout>3s</timeout>
                            <url/>
                            <query_fields/>
                            <posts/>
                            <status_codes>200</status_codes>
                            <follow_redirects>1</follow_redirects>
                            <post_type>0</post_type>
                            <http_proxy/>
                            <headers/>
                            <retrieve_mode>0</retrieve_mode>
                            <request_method>0</request_method>
                            <output_format>0</output_format>
                            <allow_traps>0</allow_traps>
                            <ssl_cert_file/>
                            <ssl_key_file/>
                            <ssl_key_password/>
                            <verify_peer>0</verify_peer>
                            <verify_host>0</verify_host>
                            <application_prototypes/>
                            <master_item/>
                        </item_prototype>
                        <item_prototype>
                            <name>docker:{#CONTAINERNAME}:cpu_system_usage</name>
                            <type>0</type>
                            <snmp_community/>
                            <snmp_oid/>
                            <key>docker_status[{#CONTAINERNAME},system_cpu_usage]</key>
                            <delay>30s</delay>
                            <history>90d</history>
                            <trends>365d</trends>
                            <status>0</status>
                            <value_type>0</value_type>
                            <allowed_hosts/>
                            <units>%</units>
                            <snmpv3_contextname/>
                            <snmpv3_securityname/>
                            <snmpv3_securitylevel>0</snmpv3_securitylevel>
                            <snmpv3_authprotocol>0</snmpv3_authprotocol>
                            <snmpv3_authpassphrase/>
                            <snmpv3_privprotocol>0</snmpv3_privprotocol>
                            <snmpv3_privpassphrase/>
                            <params/>
                            <ipmi_sensor/>
                            <authtype>0</authtype>
                            <username/>
                            <password/>
                            <publickey/>
                            <privatekey/>
                            <port/>
                            <description/>
                            <inventory_link>0</inventory_link>
                            <applications/>
                            <valuemap/>
                            <logtimefmt/>
                            <preprocessing/>
                            <jmx_endpoint/>
                            <timeout>3s</timeout>
                            <url/>
                            <query_fields/>
                            <posts/>
                            <status_codes>200</status_codes>
                            <follow_redirects>1</follow_redirects>
                            <post_type>0</post_type>
                            <http_proxy/>
                            <headers/>
                            <retrieve_mode>0</retrieve_mode>
                            <request_method>0</request_method>
                            <output_format>0</output_format>
                            <allow_traps>0</allow_traps>
                            <ssl_cert_file/>
                            <ssl_key_file/>
                            <ssl_key_password/>
                            <verify_peer>0</verify_peer>
                            <verify_host>0</verify_host>
                            <application_prototypes/>
                            <master_item/>
                        </item_prototype>
                    </item_prototypes>
                    <trigger_prototypes/>
                    <graph_prototypes>
                        <graph_prototype>
                            <name>docker:{#CONTAINERNAME}:cpu</name>
                            <width>900</width>
                            <height>200</height>
                            <yaxismin>0.0000</yaxismin>
                            <yaxismax>100.0000</yaxismax>
                            <show_work_period>1</show_work_period>
                            <show_triggers>1</show_triggers>
                            <type>0</type>
                            <show_legend>1</show_legend>
                            <show_3d>0</show_3d>
                            <percent_left>0.0000</percent_left>
                            <percent_right>0.0000</percent_right>
                            <ymin_type_1>0</ymin_type_1>
                            <ymax_type_1>0</ymax_type_1>
                            <ymin_item_1>0</ymin_item_1>
                            <ymax_item_1>0</ymax_item_1>
                            <graph_items>
                                <graph_item>
                                    <sortorder>0</sortorder>
                                    <drawtype>0</drawtype>
                                    <color>1A7C11</color>
                                    <yaxisside>0</yaxisside>
                                    <calc_fnc>2</calc_fnc>
                                    <type>0</type>
                                    <item>
                                        <host>Template Discovery Docker</host>
                                        <key>docker_status[{#CONTAINERNAME},cpu_percent]</key>
                                    </item>
                                </graph_item>
                                <graph_item>
                                    <sortorder>1</sortorder>
                                    <drawtype>0</drawtype>
                                    <color>F63100</color>
                                    <yaxisside>0</yaxisside>
                                    <calc_fnc>2</calc_fnc>
                                    <type>0</type>
                                    <item>
                                        <host>Template Discovery Docker</host>
                                        <key>docker_status[{#CONTAINERNAME},system_cpu_usage]</key>
                                    </item>
                                </graph_item>
                                <graph_item>
                                    <sortorder>2</sortorder>
                                    <drawtype>0</drawtype>
                                    <color>2774A4</color>
                                    <yaxisside>0</yaxisside>
                                    <calc_fnc>2</calc_fnc>
                                    <type>0</type>
                                    <item>
                                        <host>Template Discovery Docker</host>
                                        <key>docker_status[{#CONTAINERNAME},cpu_total_usage]</key>
                                    </item>
                                </graph_item>
                            </graph_items>
                        </graph_prototype>
                        <graph_prototype>
                            <name>docker:{#CONTAINERNAME}:menory</name>
                            <width>900</width>
                            <height>200</height>
                            <yaxismin>0.0000</yaxismin>
                            <yaxismax>100.0000</yaxismax>
                            <show_work_period>1</show_work_period>
                            <show_triggers>1</show_triggers>
                            <type>0</type>
                            <show_legend>1</show_legend>
                            <show_3d>0</show_3d>
                            <percent_left>0.0000</percent_left>
                            <percent_right>0.0000</percent_right>
                            <ymin_type_1>0</ymin_type_1>
                            <ymax_type_1>0</ymax_type_1>
                            <ymin_item_1>0</ymin_item_1>
                            <ymax_item_1>0</ymax_item_1>
                            <graph_items>
                                <graph_item>
                                    <sortorder>0</sortorder>
                                    <drawtype>0</drawtype>
                                    <color>1A7C11</color>
                                    <yaxisside>0</yaxisside>
                                    <calc_fnc>2</calc_fnc>
                                    <type>0</type>
                                    <item>
                                        <host>Template Discovery Docker</host>
                                        <key>docker_status[{#CONTAINERNAME},mem_percent]</key>
                                    </item>
                                </graph_item>
                                <graph_item>
                                    <sortorder>1</sortorder>
                                    <drawtype>0</drawtype>
                                    <color>F63100</color>
                                    <yaxisside>0</yaxisside>
                                    <calc_fnc>2</calc_fnc>
                                    <type>0</type>
                                    <item>
                                        <host>Template Discovery Docker</host>
                                        <key>docker_status[{#CONTAINERNAME},mem_usage]</key>
                                    </item>
                                </graph_item>
                            </graph_items>
                        </graph_prototype>
                        <graph_prototype>
                            <name>docker:{#CONTAINERNAME}:network</name>
                            <width>900</width>
                            <height>200</height>
                            <yaxismin>0.0000</yaxismin>
                            <yaxismax>100.0000</yaxismax>
                            <show_work_period>1</show_work_period>
                            <show_triggers>1</show_triggers>
                            <type>0</type>
                            <show_legend>1</show_legend>
                            <show_3d>0</show_3d>
                            <percent_left>0.0000</percent_left>
                            <percent_right>0.0000</percent_right>
                            <ymin_type_1>0</ymin_type_1>
                            <ymax_type_1>0</ymax_type_1>
                            <ymin_item_1>0</ymin_item_1>
                            <ymax_item_1>0</ymax_item_1>
                            <graph_items>
                                <graph_item>
                                    <sortorder>0</sortorder>
                                    <drawtype>0</drawtype>
                                    <color>1A7C11</color>
                                    <yaxisside>0</yaxisside>
                                    <calc_fnc>2</calc_fnc>
                                    <type>0</type>
                                    <item>
                                        <host>Template Discovery Docker</host>
                                        <key>docker_status[{#CONTAINERNAME},network_rx_bytes]</key>
                                    </item>
                                </graph_item>
                                <graph_item>
                                    <sortorder>1</sortorder>
                                    <drawtype>0</drawtype>
                                    <color>F63100</color>
                                    <yaxisside>0</yaxisside>
                                    <calc_fnc>2</calc_fnc>
                                    <type>0</type>
                                    <item>
                                        <host>Template Discovery Docker</host>
                                        <key>docker_status[{#CONTAINERNAME},network_tx_bytes]</key>
                                    </item>
                                </graph_item>
                            </graph_items>
                        </graph_prototype>
                    </graph_prototypes>
                    <host_prototypes/>
                    <jmx_endpoint/>
                    <timeout>3s</timeout>
                    <url/>
                    <query_fields/>
                    <posts/>
                    <status_codes>200</status_codes>
                    <follow_redirects>1</follow_redirects>
                    <post_type>0</post_type>
                    <http_proxy/>
                    <headers/>
                    <retrieve_mode>0</retrieve_mode>
                    <request_method>0</request_method>
                    <allow_traps>0</allow_traps>
                    <ssl_cert_file/>
                    <ssl_key_file/>
                    <ssl_key_password/>
                    <verify_peer>0</verify_peer>
                    <verify_host>0</verify_host>
                    <lld_macro_paths/>
                    <preprocessing/>
                    <master_item/>
                </discovery_rule>
            </discovery_rules>
            <httptests/>
            <macros/>
            <templates/>
            <screens/>
            <tags/>
        </template>
    </templates>
</zabbix_export>
View Code

模板导入成功后,查看监控项是否可用,注意客户端版本是否和文章一致,这里的zabbix所有版本均为4.2,若有问题可留言讨论。

3、问题整理

由于原本客户端python是2.7版本,在执行docker_monitor.py时有如下报错,后来知道是python版本问题,升级python3以后执行成功。

# python docker_monitor.py
Traceback (most recent call last): File "docker_monitor.py", line 36, in
<module> docker_client = docker.DockerClient(base_url='unix://var/run/docker.sock') AttributeError: 'module' object has no attribute 'DockerClient'

(1)python2升级步骤

#安装python3.6
yum -y install epel-release
yum install https://centos7.iuscommunity.org/ius-release.rpm ##安装centos7的ius源
yum install python36u -y ln -s /usr/bin/python3.6 /bin/python3 #安装pip3 yum install python36u-pip -y ln -s /usr/bin/pip3.6 /bin/pip3 pip3 install --upgrade pip ##有些情况安装完python3之后就不需要再安装pip3

(2)升级python3后,simplejson和docker-py需要重装

pip3 install simplejson
#docker-py最新版改名为docker
pip3 install docker

(3)zabbix-serve端测试时报错

zabbix_get -s 10.8.0.22 -p 10050 -k  docker_status[reids,cpu_percent]
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 672, in urlopen
    chunked=chunked,
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 387, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/usr/lib64/python3.6/http/client.py", line 1254, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/lib64/python3.6/http/client.py", line 1300, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/lib64/python3.6/http/client.py", line 1249, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/lib64/python3.6/http/client.py", line 1036, in _send_output
    self.send(msg)
  File "/usr/lib64/python3.6/http/client.py", line 974, in send
    self.connect()
  File "/usr/local/lib/python3.6/site-packages/docker/transport/unixconn.py", line 43, in connect
    sock.connect(self.unix_socket)
PermissionError: [Errno 13] Permission denied

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/requests/adapters.py", line 449, in send
    timeout=timeout
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 720, in urlopen
    method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
  File "/usr/local/lib/python3.6/site-packages/urllib3/util/retry.py", line 400, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "/usr/local/lib/python3.6/site-packages/urllib3/packages/six.py", line 734, in reraise
    raise value.with_traceback(tb)
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 672, in urlopen
    chunked=chunked,
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 387, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/usr/lib64/python3.6/http/client.py", line 1254, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/lib64/python3.6/http/client.py", line 1300, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/lib64/python3.6/http/client.py", line 1249, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/lib64/python3.6/http/client.py", line 1036, in _send_output
    self.send(msg)
  File "/usr/lib64/python3.6/http/client.py", line 974, in send
    self.connect()
  File "/usr/local/lib/python3.6/site-packages/docker/transport/unixconn.py", line 43, in connect
    sock.connect(self.unix_socket)
urllib3.exceptions.ProtocolError: ('Connection aborted.', PermissionError(13, 'Permission denied'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/zabbix/externalscripts/docker_monitor.py", line 39, in <module>
    print(check_container_stats(container_name,collect_item))
  File "/usr/lib/zabbix/externalscripts/docker_monitor.py", line 9, in check_container_stats
    container_collect=docker_client.containers.get(container_name).stats(stream=True)
  File "/usr/local/lib/python3.6/site-packages/docker/models/containers.py", line 880, in get
    resp = self.client.api.inspect_container(container_id)
  File "/usr/local/lib/python3.6/site-packages/docker/utils/decorators.py", line 19, in wrapped
    return f(self, resource_id, *args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/docker/api/container.py", line 756, in inspect_container
    self._get(self._url("/containers/{0}/json", container)), True
  File "/usr/local/lib/python3.6/site-packages/docker/utils/decorators.py", line 46, in inner
    return f(self, *args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/docker/api/client.py", line 230, in _get
    return self.get(url, **self._set_request_timeout(kwargs))
  File "/usr/local/lib/python3.6/site-packages/requests/sessions.py", line 546, in get
    return self.request('GET', url, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/requests/sessions.py", line 533, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/local/lib/python3.6/site-packages/requests/sessions.py", line 646, in send
    r = adapter.send(request, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/requests/adapters.py", line 498, in send
    raise ConnectionError(err, request=request)
requests.exceptions.ConnectionError: ('Connection aborted.', PermissionError(13, 'Permission denied'))
View Code

从错误可以看出是权限问题,解决办法:

#查看docker.sock用户权限
ls /var/run/docker.sock -lh
srw-rw---- 1 root docker 0 9月   2 17:04 /var/run/docker.sock
#将zabbix用户加入docker所在组
gpasswd -a zabbix docker

zabbix_get测试连接

 zabbix_get -s 10.8.0.22 -p 10050 -k  docker_status[redis,mem_percent]
0.3

以上所有内容均为亲自测试成功后才写的,那些踩的最深的坑都已经都修改,大可放心使用。

原文地址:https://www.cnblogs.com/wanghongli/p/11598121.html