getCloudnetServerList.sh

#!/bin/bash
#
# Script that performs an API lookup to the Cloudnet server
# registry with an API key found in $HOME/.cloudnet.settings unless
# changed.
#
# After a server is selected, an SSH session is opened with a username
# found in the settings file. The file is a bash file that's included
# further down and can look like this:
#
#   API_KEY=your_api_key
#   SSH_USERNAME=deploy
#
SETTINGS=$HOME/.cloudnet.settings

if ! [[ -f $SETTINGS ]]
then
    echo Settings file not found in "$SETTINGS"
    exit 1
fi

. $SETTINGS
CLOUDNET_API_URL="https://api.cloudnet.se/api/v2/instance/?api_key=$API_KEY"

IFS=$'\n'

OPTIONS=($(curl -s $CLOUDNET_API_URL 2>/dev/null | \
    python -c '
import sys, json
serverList = json.load(sys.stdin)
for server in serverList:
    print server["description"] + "|" + server["ip"]
'))

OPTIONS=($(sort -t'|' -k3 <<<"${OPTIONS[*]}"))

unset IFS

for (( i=0; i < ${#OPTIONS[@]}; i++ ))
do
    echo "$i) ${OPTIONS[i]}" | sed 's/|/ - /g'
done

read -p "Choose server to SSH into: " choice

IFS="|"
SERVER=(${OPTIONS[$choice]})
ssh $SSH_USERNAME@${SERVER[1]}