Frontend Connectiol Tool

frontend-connect

#!/bin/bash

export LOGTAG="frontend-connect"
function log { logger -t $LOGTAG -- $1; }
function die {
  [[ -n "$1" ]] && log "$1"
  echo "$1"
  exit 1
}

HOOK_connect() { # this can be overridden in cfg files
  ssh -A -t $TARGETSRV
  return 0
}

DLG_choose() { # INPUT: array contents of choices
  # compose DIALOG menu list
  local i=0
  local dlg=""
  local choice_arr=($@)
  for e in ${choice_arr[@]}; do
    dlg="${dlg}${i} ${e} "
    let i+=1
  done

  exec 3>&1;
  answer=$(dialog --ascii-lines --backtitle "$DLG_BACKTITLE" --title "$DLG_TITLE" --ascii-lines --menu "$DLG_MENU" 0 0 ${#choice_arr[@]} $dlg 2>&1 1>&3);
  result=$?;
  exec 3>&-;
  [[ $result -eq 0 ]] && CHOICE=${choice_arr[$answer]}
  return $result
}

###############################################################################
## MAIN
###############################################################################

# Sample Cfg  - to be overridden in config files
declare -a ENV=(
"Production"
"Staging"
"Development"
)

declare -a Production=(
"prd-srv01"
"prd-srv02"
)

declare -a Staging=(
"qa-srv01"
)

declare -a Development=(
"dev-srv01"
)



DLG1_BACKTITLE="Frontend Connection Tool"
DLG1_TITLE="Environment"
DLG1_MENU="Environment:"

DLG2_BACKTITLE="Frontend Connection Tool"
DLG2_TITLE="Target"
DLG2_MENU="Server:"

# OVERRIDE IN GLOBAL/PERSONAL CFG
# You can create a symlink to the program and name the cfg files after the symlink name
prog=`basename "$0"`
export GLOBALCFG=/usr/local/etc/$prog
export PERSONALCFG=$HOME/.$prog


[[ -r $GLOBALCFG ]] && source $GLOBALCFG
[[ -r $PERSONALCFG ]] && source $PERSONALCFG
[[ -z "$ENV" ]] && die "No defined Environments found in $GLOBALCFG or $PERSONALCFG"

# 1st level choice (Environment)
DLG_BACKTITLE=$DLG1_BACKTITLE
DLG_TITLE=$DLG1_TITLE
DLG_MENU=$DLG1_MENU
DLG_choose "${ENV[@]}"
[[ $? -eq 0 ]] || exit 0
export TARGETENV=$CHOICE

# 2nd level choice (Target Server)
DLG_BACKTITLE=$DLG2_BACKTITLE
DLG_TITLE=$DLG2_TITLE
DLG_MENU=$DLG2_MENU
TARGETS_ARRNAME="${TARGETENV}[@]"
DLG_choose ${!TARGETS_ARRNAME}
[[ $? -eq 0 ]] || exit 0
export TARGETSRV=$CHOICE

HOOK_connect

exit 0