Shell script start stop Docker

                          

At present, the script is to write the Container ID in the script. Of course, it can also be controlled by passing parameters to the script. You can change it.

Start docker

The startup script is detailed as follows:

#!/bin/bash

containerID="589bda1309cd"
statusLived="live"
statusdead="Dead"
notExistContainer="None"
retryCount=3

function GetContainerStatus(){
   containerExist=$(sudo docker ps -a | grep -i $1 | wc -l )   
   if [ ${containerExist} -gt 0 ]
     then
       pid=$(sudo docker stats --format "{{.PIDs}}" --no-stream $1 )
       if [ "${pid}" != "0" ]
         then   
           echo "${statusLived}"
       else
           echo "${statusdead}"
       fi
    else
      echo "${notExistContainer}" 
   fi
}

function StartContainer(){
  sudo docker restart $1
}

for ((i=1;i<=${retryCount};i++))
 do
  status=$(GetContainerStatus ${containerID} )
  echo "Container ${containerID} status is ${status}"
  
  if [ "${status}" == ${statusLived}  ]
    then
      echo "Container ${containerID} already running"
      break
  fi

  if [ "${status}" == ${notExistContainer}  ]
    then
      echo "Container ${containerID} not existed"
      break
  fi

  if [ "${status}" == ${statusdead}  ]
     then
       echo "Container ${containerID} stopped ,start container"
       StartContainer ${containerID}
       verifyStatus=$(GetContainerStatus ${containerID} )
       if [ "${verifyStatus}" == ${statusLived}  ]
          then
            echo "start container ${containerID} success "
            break
       else
          echo "${i} retry start container"
          StartContainer ${containerID}
       fi
   fi
 done

Stop docker

The stop script is detailed as follows:

#!/bin/bash

containerID="589bda1309cd"
statusLived="live"
statusdead="Dead"
notExistContainer="None"
retryCount=3

function GetContainerStatus(){
   containerExist=$(sudo docker ps -a | grep -i $1 | wc -l )   
   if [ ${containerExist} -gt 0 ]
     then
       pid=$(sudo docker stats --format "{{.PIDs}}" --no-stream $1 )
       if [ "${pid}" != "0" ]
         then   
           echo "${statusLived}"
       else
           echo "${statusdead}"
       fi
    else
      echo "${notExistContainer}" 
   fi
}

function StopContainer(){
  sudo docker stop $1
}

for ((i=1;i<=${retryCount};i++))
 do
  status=$(GetContainerStatus ${containerID} )
  echo "Container ${containerID} status is ${status}"

  if [ "${status}" == ${statusdead}  ]
    then
      echo "Container ${containerID} already stopped"
      break
  fi

  if [ "${status}" == ${notExistContainer}  ]
    then
      echo "Container ${containerID} not existed"
      break
  fi

  if [ "${status}" == ${statusLived}  ]
     then
       echo "Container ${containerID} is lived ,stop container"
       StopContainer ${containerID}
       verifyStatus=$(GetContainerStatus ${containerID} )
       if [ "${verifyStatus}" == ${statusdead}  ]
          then
            echo "stop container ${containerID} success "
            break
       else
          echo "${i} retry stop container"
          StopContainer ${containerID}
       fi
   fi
 done

Python call script

The Python sample script is as follows:

import paramiko

def StartContainer(svr,port,user,pwd):
    client = paramiko.SSHClient()
    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    client.connect(svr,port=port, username=user, password=pwd,timeout=5)
    client.exec_command("cd /home/TestCode/ && bash startContainer.sh")

def StopContainer(svr,port,user,pwd):
    client = paramiko.SSHClient()
    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    client.connect(svr, port=port, username=user, password=pwd, timeout=5)
    client.exec_command("cd /home/TestCode/ && bash stopContainer.sh ")

Tags: Linux Docker sudo Python

Posted on Fri, 08 Nov 2019 15:38:38 -0500 by RCB