docker-swarm-clear

#!/bin/bash
#	swarm/docker-swarm-clear  4.2.6.1289  2020-05-25T21:31:03.161991-05:00 (CDT)  https://github.com/BradleyA/docker-security-infrastructure.git  master  uadmin  five-rpi3b.cptx86.com 4.2.5-2-gdb448cc  
#	   swarm/docker-swarm-clear -->   minor format change to comments  
#	swarm/docker-swarm-clear  3.124.530  2019-02-22T10:32:39.329511-06:00 (CST)  https://github.com/BradleyA/docker-security-infrastructure-scripts.git  uadmin  two.cptx86.com 3.123  
#	   Begin testing old script 
#       set -x
#       set -v
#
for NODE in one four five ; do
   echo $NODE;
   #    is this a manager ????  then to worker else skip
   #    This is a known incident with this nov. 22, 2016
   docker node demote $NODE;
   sleep 8;
   docker node update --availability drain $NODE;
   sleep 8;
   ssh uadmin@$NODE.cptx86.com docker swarm leave ;
   #    are there any danging volume ????  then remove  else skip
   if [ ssh uadmin@$NODE.cptx86.com $(docker volume ls --filter dangling=true -q | wc -l) ] ; then
      echo "Removing volume(s) from host $NODE"; 
      ssh uadmin@$NODE.cptx86.com 'docker volume rm $(docker volume ls --filter dangling=true -q)';
      sleep 8;
   fi
   docker node rm $NODE;
   #    are there any containers ????  then remove  else skip
   if [ $(docker ps -qa | wc -l) ] ; then
      echo "Removing container(s) from host $NODE"; 
      ssh uadmin@$NODE.cptx86.com 'docker rm $(docker ps -qa)';
   fi
   #    are there any custom-built networks ????  then remove  else skip
   if [ $(docker network ls -q --filter label=custom-built | wc -l) ] ; then
      echo "Removing network(s) from host $NODE"; 
      ssh uadmin@$NODE.cptx86.com ‘docker network rm $(docker network ls -q --filter label=custom-built)’;
   fi
done
sleep 16
docker swarm leave --force