【MySQL】MySQL监控利器PMM

前言:MySQL监控也用过好多产品,包括zabbix、Lepus、PMM,想比较而言,PMM监控更加全面,安装配置也更加简单。

一、Server端安装

server端安装非常简单,我们采用docker的方式来部署。
1.拉取镜像

docker pull percona/pmm-server:latest

2.创建PMM数据容器

docker create \
   -v /opt/prometheus/data \
   -v /opt/consul-data \
   -v /var/lib/mysql \
   -v /var/lib/grafana \
   --name pmm-data \
   percona/pmm-server:latest /bin/true

3.创建PMM服务器容器

docker run -d -p 80:80 \
  --volumes-from pmm-data \
  --name pmm-server \
  -e SERVER_USER=test \
  -e SERVER_PASSWORD=test \
  -e ORCHESTRATOR_ENABLED=true \
  --restart always \
  percona/pmm-server:latest

4.查看服务启动

[root@db-monitor-01 tmp]# ps -ef|grep docker
root      8531     1  0 10:38 ?        00:00:05 /usr/bin/dockerd-current --add-runtime docker-runc=/usr/libexec/docker/docker-runc-current --default-runtime=docker-runc --exec-opt native.cgroupdriver=systemd --userland-proxy-path=/usr/libexec/docker/docker-proxy-current --seccomp-profile=/etc/docker/seccomp.json --selinux-enabled --log-driver=journald --signature-verification=false --storage-driver overlay2
root      8538  8531  0 10:38 ?        00:00:03 /usr/bin/docker-containerd-current -l unix:///var/run/docker/libcontainerd/docker-containerd.sock --metrics-interval=0 --start-timeout 2m --state-dir /var/run/docker/libcontainerd/containerd --shim docker-containerd-shim --runtime docker-runc --runtime-args --systemd-cgroup=true
root      9095  8531  0 10:56 ?        00:00:00 /usr/libexec/docker/docker-proxy-current -proto tcp -host-ip 0.0.0.0 -host-port 80 -container-ip 172.17.0.2 -container-port 80
root      9100  8538  0 10:56 ?        00:00:00 /usr/bin/docker-containerd-shim-current 7c5656534fed82420cba57ec9ab3f929b242802dae2dcf3fbb400859d2517b6d /var/run/docker/libcontainerd/7c5656534fed82420cba57ec9ab3f929b242802dae2dcf3fbb400859d2517b6d /usr/libexec/docker/docker-runc-current
root      9660  2640  0 11:25 pts/1    00:00:00 grep --color=auto docker

二、Client安装

1.安装rpm包

rpm -ivh pmm-client-1.9.1-1.el7.x86_64.rpm

2.连接server

pmm-admin config --server server_ip --bind-address=client_ip --client-address=client_ip --server-user=admin --server-password=xxx --client-name=xxx

3.收集数据

pmm-admin add mysql --user=pmm --password=xxxx --port=3306

三、常用操作命令

PMM Client相关

[root@Mariadb-04 tmp]# pmm-admin --help
Usage:
  pmm-admin [flags]
  pmm-admin [command]

Available Commands:
  config         Configure PMM Client. 配置PMM客户端
  add            Add service to monitoring. 增加监控
  remove         Remove service from monitoring. 删除监控服务
  list           List monitoring services for this system. 列出监控服务
  info           Display PMM Client information (works offline). 打印PMM客户端信息
  check-network  Check network connectivity between client and server. 检查网络
  ping           Check if PMM server is alive. ping server端
  start          Start monitoring service.开启服务
  stop           Stop monitoring service.停止服务
  restart        Restart monitoring service.重启服务
  show-passwords Show PMM Client password information (works offline).显示客户端密码
  purge          Purge metrics data on PMM server.删除PMM server端监控信息
  repair         Repair installation.重新安装
  uninstall      Removes all monitoring services with the best effort.删除所有服务
  help           Help about any command

Flags:
  -c, --config-file string   PMM config file (default "/usr/local/percona/pmm-client/pmm.yml")
  -h, --help                 help for pmm-admin
      --verbose              verbose output
  -v, --version              show version

Use "pmm-admin [command] --help" for more information about a command.

Docker相关

[root@db-monitor-01 tmp]# docker --help

Usage:  docker COMMAND

A self-sufficient runtime for containers

Options:
      --config string      Location of client config files (default "/root/.docker")
  -D, --debug              Enable debug mode
      --help               Print usage
  -H, --host list          Daemon socket(s) to connect to (default [])
  -l, --log-level string   Set the logging level ("debug", "info", "warn", "error", "fatal") (default "info")
      --tls                Use TLS; implied by --tlsverify
      --tlscacert string   Trust certs signed only by this CA (default "/root/.docker/ca.pem")
      --tlscert string     Path to TLS certificate file (default "/root/.docker/cert.pem")
      --tlskey string      Path to TLS key file (default "/root/.docker/key.pem")
      --tlsverify          Use TLS and verify the remote
  -v, --version            Print version information and quit

Management Commands:
  container   Manage containers
  image       Manage images
  network     Manage networks
  node        Manage Swarm nodes
  plugin      Manage plugins
  secret      Manage Docker secrets
  service     Manage services
  stack       Manage Docker stacks
  swarm       Manage Swarm
  system      Manage Docker
  volume      Manage volumes

Commands:
  attach      Attach to a running container
  build       Build an image from a Dockerfile
  commit      Create a new image from a container's changes
  cp          Copy files/folders between a container and the local filesystem
  create      Create a new container
  diff        Inspect changes on a container's filesystem
  events      Get real time events from the server
  exec        Run a command in a running container
  export      Export a container's filesystem as a tar archive
  history     Show the history of an image
  images      List images
  import      Import the contents from a tarball to create a filesystem image
  info        Display system-wide information
  inspect     Return low-level information on Docker objects
  kill        Kill one or more running containers
  load        Load an image from a tar archive or STDIN
  login       Log in to a Docker registry
  logout      Log out from a Docker registry
  logs        Fetch the logs of a container
  pause       Pause all processes within one or more containers
  port        List port mappings or a specific mapping for the container
  ps          List containers
  pull        Pull an image or a repository from a registry
  push        Push an image or a repository to a registry
  rename      Rename a container
  restart     Restart one or more containers
  rm          Remove one or more containers
  rmi         Remove one or more images
  run         Run a command in a new container
  save        Save one or more images to a tar archive (streamed to STDOUT by default)
  search      Search the Docker Hub for images
  start       Start one or more stopped containers
  stats       Display a live stream of container(s) resource usage statistics
  stop        Stop one or more running containers
  tag         Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE
  top         Display the running processes of a container
  unpause     Unpause all processes within one or more containers
  update      Update configuration of one or more containers
  version     Show the Docker version information
  wait        Block until one or more containers stop, then print their exit codes

Run 'docker COMMAND --help' for more information on a command.

四、监控界面

MySQL总览
MySQL innodb监控
MySQL 复制监控
OS CPU监控
OS disk监控

五、排错

Aug 17 21:07:24 localhost dockerd: time="2016-08-17T21:07:24.864612251+08:00" level=error msg="Attempting next endpoint for push after error: Get https://192.168.41.80:5001/v2/: dial tcp 192.168.41.80:5001: getsockopt: connection refused"
Aug 17 21:07:24 localhost dockerd: time="2016-08-17T21:07:24.864884008+08:00" level=error msg="Attempting next endpoint for push after error: Get https://192.168.41.80:5001/v1/_ping: dial tcp 192.168.41.80:5001: getsockopt: connection refused"

类似于如上错误解决方法:

vim /etc/docker/daemon.json

{ "insecure-registries":["myregistry.example.com:5000"] }
Restart docker daemon

   systemctl restart docker.service

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