#BASH - Script / shell-function "dconnect" for bash_profile to connect to a running docker container on the shell (SSH like).This script creates a list of running docker containers to choose from.Original: https://raw.githubusercontent.com/Data-Monkey/unRAID/master/tools/DockerSelector.sh

bash_profile-dconnect.sh

dconnect() {
	###############################################
	# This script will let you chose which docker container to exec into
	#
	# Original idea and concept by hernandito
	# DockerList by bonienl
	# URL: https://raw.githubusercontent.com/Data-Monkey/unRAID/master/tools/DockerSelector.sh
	################################################

	clear
	set -e

	#Define Colours
	ti=`tput setab 4;tput setaf 3`  #Title Yellow on Blue
	ye=`tput setaf 3`               #Yellow on default
	gr=`tput setaf 2`               #Green  on default
	mn=`tput setaf 4;tput setab 7`  #menu
	he=`tput setaf 0;tput setab 2`  #Heading New Docker

	d=`tput sgr0`                   #reset to default


	# rpad function needed in Docker Header
	# rpad String Len Pad
	function rpad {
	  word="$1"
	  while [ ${#word} -lt $2 ]; do
		word="$word$3";
	  done;
	  echo "$word";
	}


	# find all running dockers
	DockerList=($(docker ps | awk 'NR==1 {offset=index($0,"NAMES")};NR>1{print substr($0,offset)}'))

	# Display Menu
	echo " "
	echo " "
	echo -e "${yb}                                       ${d}"
	echo -e "${yb}      Docker Selector                  ${d}"
	echo -e "${yb}                                       ${d}"
	echo  " "
	echo " "

	for i in `seq 1 ${#DockerList[@]}`
	do
	  echo -e "${ye}        "$i". ${gr}"${DockerList[$i-1]}"${d}"
	done

	echo " "
	echo -e "${ye}        0. ${gr}Exit - do nothing   ${d}"
	echo " "
	echo -e "${me} Type number and [ENTER]:${d} "
	echo " "

	read mychoice
	echo "${d} "

	if [ "$mychoice" = 0 ]
	  then
		clear
		#exit 0
	elif [ "$mychoice" -gt ${#DockerList[@]} ]
	  then
		echo -e "You must enter a number between 0 and "${#DockerList[@]}" Exiting! ${d}"
		#exit 0
	else

	## Connect to Docker
	  clear
	  echo -e "${he}                                               ${d}"
	  echo -e "${he}     `rpad ${DockerList[$mychoice-1]} 41 " "` ${d}"
	  echo -e "${he}                                               ${d}"
	  echo " "
	  docker exec -it -u root ${DockerList[$mychoice-1]} bash

	fi

	#exit 0
}