转 zabbix debug and zabbix使用percona插件监控mysql zabbix使用percona插件监控mysql

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https://www.cnblogs.com/keithtt/p/8542987.html

zabbix使用percona插件监控mysql

 

1、添加percona仓库。

# yum install -y https://mirrors.tuna.tsinghua.edu.cn/percona/yum/percona-release-latest.noarch.rpm

2、安装插件。

# yum -y install percona-zabbix-templates
# rpm -ql percona-zabbix-templates
/var/lib/zabbix/percona
/var/lib/zabbix/percona/scripts
/var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh /var/lib/zabbix/percona/scripts/ss_get_mysql_stats.php /var/lib/zabbix/percona/templates /var/lib/zabbix/percona/templates/userparameter_percona_mysql.conf /var/lib/zabbix/percona/templates/zabbix_agent_template_percona_mysql_server_ht_2.0.9-sver1.1.8.xml

3、这个项目是php写的，需要安装php和php-mysql。(这个在官网有说明）

# yum install -y php php-mysql

4、拷贝配置文件到配置目录，并重启zabbix-agent。

# cp -a /var/lib/zabbix/percona/templates/userparameter_percona_mysql.conf /etc/zabbix/zabbix_agentd.d/
# rm -f /etc/zabbix/zabbix_agentd.d/userparameter_mysql.conf
# service zabbix-agent restart

5、授权监控用户，使其能获取数据。

# mysql -uroot -p
> grant all privileges on *.* to zabbix@localhost identified by 'PASS'; > flush privileges; > quit;

6、修改程序里面的用户密码，使其能连接到mysql。

# vim /var/lib/zabbix/percona/scripts/ss_get_mysql_stats.php
$mysql_user = 'zabbix'; $mysql_pass = 'PASS';

7、修改监控脚本。脚本里面是直接执行mysql命令获取数据的，但是没有指定用户名和密码，导致连不上数据库。为mysql命令加上用户名密码参数即可。

# vim /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh
RES=`HOME=~zabbix mysql -uzabbix -pPASS -e 'SHOW SLAVE STATUS\G' 2> /dev/null | egrep '(Slave_IO_Running|Slave_SQL_Running):' | awk -F: '{print $2}' | tr '\n' ','`

或者更简单一点，直接添加一个mysql的客户端验证配置。

# vim ~zabbix/.my.cnf
[client]
user = zabbix
password = PASS

8、测试脚本是否能获取到数据。

# /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh gg
16
# /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh jg
0
# sudo -u zabbix -H /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh running-slave 1 # sudo -u zabbix zabbix_get -s 10.0.1.61 -k 'proc.num[mysqld]' 1 # sudo -u zabbix zabbix_get -s 10.0.1.61 -k 'mysql.ping' 1

9、导入模板。在这里踩到坑，安装包提供的插件版本是1.1.8，导入过程中报错。经过一番查询，可以使用1.1.6。

可以从这里下载1.1.6版本的文件：https://www.percona.com/downloads/percona-monitoring-plugins/

按理说，导入模板之后，链接到主机就可以查看到数据了。不过，等了很久一直没数据，又是经过一番查询...

插件创建了一个状态文件，然后从中读取数据，但是这个文件第一次启动的时候所属用户是root，而zabbix的启动用户是zabbix，没有权限读取这个文件，所以页面上一直没有数据。

解决办法很简单，删除这个文件即可，程序会自动创建一个权限正确的新文件。

# rm -f /tmp/localhost-mysql_cacti_stats.txt

10、到这里就可以看到数据了。

---

补充：

如果把默认端口3306改成了别的端口，也会造成报错读取不到数据。

在/var/lib/zabbix/percona/scripts目录下有两个脚本，经过仔细查看，发现get_mysql_stats_wrapper.sh在指定读取的状态文件时路径是写的是CACHEFILE="/tmp/$HOST-mysql_cacti_stats.txt"，而在/tmp/目录下是一个带端口的文件localhost-mysql_cacti_stats.txt:3310，这样肯定就读不到了。然后去找文件是在哪里生成的，查看另一个php脚本，果然做了判断处理，端口不是3306的话就在文件名后面加上端口号。

问题找到了，将源码中的判断部分去掉就好了。

# vim /var/lib/zabbix/percona/scripts/ss_get_mysql_stats.php
$cache_file = "$cache_dir/$sanitized_host-mysql_cacti_stats.txt" . ($port != 3306 ? ":$port" : ''); 改成： $cache_file = "$cache_dir/$sanitized_host-mysql_cacti_stats.txt";

参考：
https://www.percona.com/doc/percona-monitoring-plugins/LATEST/zabbix/index.html
https://blog.csdn.net/liang_operations/article/details/81868668

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https://blog.csdn.net/u011731378/article/details/79092259

• Zabbix Agent Log

  17-06-2013, 02:34

   

  Dear All,
  
  All of my Windows hosts (Windows Server 2008 R2 & Windows Server 2012) both have no zabbix_agentd.log file at all. I don't know why. Below is configuration of one host:
  

   

  # This is a config file for Zabbix Agent (Windows)
  # To get more information about Zabbix, go to  http://www.zabbix.com
  
  ############ GENERAL PARAMETERS #################
  
  ### Option: LogFile
  # Name of log file.
  # If not set, Windows Event Log is used.
  #
  # Mandatory: no
  # Default:
  # LogFile=
  
  LogFile=C:\Program Files\Zabbix Agent\Zabbix_agentd.log
  
  ### Option: LogFileSize
  # Maximum size of log file in MB.
  # 0 - disable automatic log rotation.
  #
  # Mandatory: no
  # Range: 0-1024
  # Default:
  # LogFileSize=1
  
  ### Option: DebugLevel
  # Specifies debug level
  # 0 - no debug
  # 1 - critical information
  # 2 - error information
  # 3 - warnings
  # 4 - for debugging (produces lots of information)
  #
  # Mandatory: no
  # Range: 0-4
  # Default:
  # DebugLevel=3
  DebugLevel=0
  
  ### Option: SourceIP
  # Source IP address for outgoing connections.
  #
  # Mandatory: no
  # Default:
  # SourceIP=
  
  ### Option: EnableRemoteCommands
  # Whether remote commands from Zabbix server are allowed.
  # 0 - not allowed
  # 1 - allowed
  #
  # Mandatory: no
  # Default:
  EnableRemoteCommands=1
  
  ### Option: LogRemoteCommands
  # Enable logging of executed shell commands as warnings.
  # 0 - disabled
  # 1 - enabled
  #
  # Mandatory: no
  # Default:
  # LogRemoteCommands=0
  
  ##### Passive checks related
  
  ### Option: Server
  # List of comma delimited IP addresses (or hostnames) of Zabbix servers.
  # Incoming connections will be accepted only from the hosts listed here.
  # No spaces allowed.
  # If IPv6 support is enabled then '127.0.0.1', '::127.0.0.1', '::ffff:127.0.0.1' are treated equally.
  #
  # Mandatory: no
  # Default:
  # Server=
  
  Server=10.10.20.85
  
  ### Option: ListenPort
  # Agent will listen on this port for connections from the server.
  #
  # Mandatory: no
  # Range: 1024-32767
  # Default:
  ListenPort=10050
  
  ### Option: ListenIP
  # List of comma delimited IP addresses that the agent should listen on.
  # First IP address is sent to Zabbix server if connecting to it to retrieve list of active checks.
  #
  # Mandatory: no
  # Default:
  # ListenIP=0.0.0.0
  
  ### Option: StartAgents
  # Number of pre-forked instances of zabbix_agentd that process passive checks.
  # If set to 0, disables passive checks and the agent will not listen on any TCP port.
  #
  # Mandatory: no
  # Range: 0-100
  # Default:
  # StartAgents=3
  
  ##### Active checks related
  
  ### Option: ServerActive
  # List of comma delimited IP ort (or hostname ort) pairs of Zabbix servers for active checks.
  # If port is not specified, default port is used.
  # IPv6 addresses must be enclosed in square brackets if port for that host is specified.
  # If port is not specified, square brackets for IPv6 addresses are optional.
  # If this parameter is not specified, active checks are disabled.
  # Example: ServerActive=127.0.0.1:20051,zabbix.domain,[::1]:30051,::1,[12fc::1]
  #
  # Mandatory: no
  # Default:
  # ServerActive=
  
  ServerActive=127.0.0.1
  
  ### Option: Hostname
  # Unique, case sensitive hostname.
  # Required for active checks and must match hostname as configured on the server.
  # Value is acquired from HostnameItem if undefined.
  #
  # Mandatory: no
  # Default:
  Hostname=NI-HOST01
  
  ### Option: HostnameItem
  # Item used for generating Hostname if it is undefined.
  # Ignored if Hostname is defined.
  #
  # Mandatory: no
  # Default:
  # HostnameItem=system.hostname
  
  ### Option: RefreshActiveChecks
  # How often list of active checks is refreshed, in seconds.
  #
  # Mandatory: no
  # Range: 60-3600
  # Default:
  # RefreshActiveChecks=120
  
  ### Option: BufferSend
  # Do not keep data longer than N seconds in buffer.
  #
  # Mandatory: no
  # Range: 1-3600
  # Default:
  # BufferSend=5
  
  ### Option: BufferSize
  # Maximum number of values in a memory buffer. The agent will send
  # all collected data to Zabbix server or Proxy if the buffer is full.
  #
  # Mandatory: no
  # Range: 2-65535
  # Default:
  # BufferSize=100
  
  ### Option: MaxLinesPerSecond
  # Maximum number of new lines the agent will send per second to Zabbix Server
  # or Proxy processing 'log', 'logrt' and 'eventlog' active checks.
  # The provided value will be overridden by the parameter 'maxlines',
  # provided in 'log', 'logrt' or 'eventlog' item keys.
  #
  # Mandatory: no
  # Range: 1-1000
  # Default:
  # MaxLinesPerSecond=100
  
  ############ ADVANCED PARAMETERS #################
  
  ### Option: Alias
  # Sets an alias for parameter. It can be useful to substitute long and complex parameter name with a smaller and simpler one.
  # For example, if you wish to retrieve paging file usage in percents from the server,
  # you may use parameter "perf_counter[\Paging File(_Total)\% Usage]", or you may define an alias by adding the following line to configuration file
  # Alias = pg_usage erf_counter[\Paging File(_Total)\% Usage]
  # After that you can use parameter name "pg_usage" to retrieve the same information.
  # You can specify as many "Alias" records as you wish.
  # Aliases cannot be used for parameters defined in "PerfCounter" configuration file records.
  #
  # Mandatory: no
  # Range:
  # Default:
  
  ### Option: Timeout
  # Spend no more than Timeout seconds on processing
  #
  # Mandatory: no
  # Range: 1-30
  # Default:
  # Timeout=3
  
  ### Option: PerfCounter
  # Syntax: <parameter_name>,"<perf_counter_path>",<period>
  # Defines new parameter <parameter_name> which is an average value for system performance counter <perf_counter_path> for the specified time period <period> (in seconds).
  # For example, if you wish to receive average number of processor interrupts per second for last minute, you can define new parameter "interrupts" as following:
  # PerfCounter = interrupts,"\Processor(0)\Interrupts/sec",60
  # Please note double quotes around performance counter path.
  # Samples for calculating average value will be taken every second.
  # You may run "typeperf -qx" to get list of all performance counters available in Windows.
  #
  # Mandatory: no
  # Range:
  # Default:
  
  ### Option: Include
  # You may include individual files in the configuration file.
  #
  # Mandatory: no
  # Default:
  # Include=
  
  # Include=c:\zabbix\zabbix_agentd.userparams.conf
  # Include=c:\zabbix\zabbix_agentd\
  
  ####### USER-DEFINED MONITORED PARAMETERS #######
  
  ### Option: UnsafeUserParameters
  # Allow all characters to be passed in arguments to user-defined parameters.
  # 0 - do not allow
  # 1 - allow
  #
  # Mandatory: no
  # Range: 0-1
  # Default:
  # UnsafeUserParameters=0
  
  ### Option: UserParameter
  # User-defined parameter to monitor. There can be several user-defined parameters.
  # Format: UserParameter=<key>,<shell command>
  # Note that shell command must not return empty string or EOL only.
  # Example: UserParameter=system.test,echo 1
  #UserParameter=system.test,echo 1

  Tags: None

  ---

   
• 

  tchjts1

  Banned

   

  • Joined: May 2008
  • Posts: 1582

  #2

  18-06-2013, 07:25

  Believe it or not, Zabbix is case sensitive, even on Windows. So your log directory and file name: C:\Program Files\Zabbix Agent\Zabbix_agentd.log need to be cased appropriately.
  
  I don't know if that is your issue or not, but I ran into that when I was first starting out with Zabbix.
  
  And you have  DebugLevel=0 Put that at 3 and you will start seeing a log, I suspect.

  Last edited by  tchjts1;  18-06-2013, 07:27.

  ---

   
• 

  angel_of_devil

  Junior Member

   

  • Joined: Sep 2011
  • Posts: 29

  #3

  18-06-2013, 08:25

   

   

  Originally posted by  tchjts1  View Post

  Believe it or not, Zabbix is case sensitive, even on Windows. So your log directory and file name: C:\Program Files\Zabbix Agent\Zabbix_agentd.log need to be cased appropriately.
  
  I don't know if that is your issue or not, but I ran into that when I was first starting out with Zabbix.
  
  And you have  DebugLevel=0 Put that at 3 and you will start seeing a log, I suspect.

  Thanks. The problem is solved with set value for parameter DebugLevel 

1、添加percona仓库。

# yum install -y https://mirrors.tuna.tsinghua.edu.cn/percona/yum/percona-release-latest.noarch.rpm

2、安装插件。

# yum -y install percona-zabbix-templates
# rpm -ql percona-zabbix-templates
/var/lib/zabbix/percona
/var/lib/zabbix/percona/scripts
/var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh /var/lib/zabbix/percona/scripts/ss_get_mysql_stats.php /var/lib/zabbix/percona/templates /var/lib/zabbix/percona/templates/userparameter_percona_mysql.conf /var/lib/zabbix/percona/templates/zabbix_agent_template_percona_mysql_server_ht_2.0.9-sver1.1.8.xml

3、这个项目是php写的，需要安装php和php-mysql。(这个在官网有说明）

# yum install -y php php-mysql

4、拷贝配置文件到配置目录，并重启zabbix-agent。

# cp -a /var/lib/zabbix/percona/templates/userparameter_percona_mysql.conf /etc/zabbix/zabbix_agentd.d/
# rm -f /etc/zabbix/zabbix_agentd.d/userparameter_mysql.conf
# service zabbix-agent restart

5、授权监控用户，使其能获取数据。

# mysql -uroot -p
> grant all privileges on *.* to zabbix@localhost identified by 'PASS'; > flush privileges; > quit;

6、修改程序里面的用户密码，使其能连接到mysql。

# vim /var/lib/zabbix/percona/scripts/ss_get_mysql_stats.php
$mysql_user = 'zabbix'; $mysql_pass = 'PASS';

7、修改监控脚本。脚本里面是直接执行mysql命令获取数据的，但是没有指定用户名和密码，导致连不上数据库。为mysql命令加上用户名密码参数即可。

# vim /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh
RES=`HOME=~zabbix mysql -uzabbix -pPASS -e 'SHOW SLAVE STATUS\G' 2> /dev/null | egrep '(Slave_IO_Running|Slave_SQL_Running):' | awk -F: '{print $2}' | tr '\n' ','`

或者更简单一点，直接添加一个mysql的客户端验证配置。

# vim ~zabbix/.my.cnf
[client]
user = zabbix
password = PASS

8、测试脚本是否能获取到数据。

# /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh gg
16
# /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh jg
0
# sudo -u zabbix -H /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh running-slave 1 # sudo -u zabbix zabbix_get -s 10.0.1.61 -k 'proc.num[mysqld]' 1 # sudo -u zabbix zabbix_get -s 10.0.1.61 -k 'mysql.ping' 1

9、导入模板。在这里踩到坑，安装包提供的插件版本是1.1.8，导入过程中报错。经过一番查询，可以使用1.1.6。

可以从这里下载1.1.6版本的文件：https://www.percona.com/downloads/percona-monitoring-plugins/

按理说，导入模板之后，链接到主机就可以查看到数据了。不过，等了很久一直没数据，又是经过一番查询...

插件创建了一个状态文件，然后从中读取数据，但是这个文件第一次启动的时候所属用户是root，而zabbix的启动用户是zabbix，没有权限读取这个文件，所以页面上一直没有数据。

解决办法很简单，删除这个文件即可，程序会自动创建一个权限正确的新文件。

# rm -f /tmp/localhost-mysql_cacti_stats.txt

10、到这里就可以看到数据了。

---

补充：

如果把默认端口3306改成了别的端口，也会造成报错读取不到数据。

在/var/lib/zabbix/percona/scripts目录下有两个脚本，经过仔细查看，发现get_mysql_stats_wrapper.sh在指定读取的状态文件时路径是写的是CACHEFILE="/tmp/$HOST-mysql_cacti_stats.txt"，而在/tmp/目录下是一个带端口的文件localhost-mysql_cacti_stats.txt:3310，这样肯定就读不到了。然后去找文件是在哪里生成的，查看另一个php脚本，果然做了判断处理，端口不是3306的话就在文件名后面加上端口号。

问题找到了，将源码中的判断部分去掉就好了。

# vim /var/lib/zabbix/percona/scripts/ss_get_mysql_stats.php
$cache_file = "$cache_dir/$sanitized_host-mysql_cacti_stats.txt" . ($port != 3306 ? ":$port" : ''); 改成： $cache_file = "$cache_dir/$sanitized_host-mysql_cacti_stats.txt";

参考：
https://www.percona.com/doc/percona-monitoring-plugins/LATEST/zabbix/index.html
https://blog.csdn.net/liang_operations/article/details/81868668