Backtrac.io snippet to test single environment. Wait for snapshot to complete before deploy.

backtrac-self-test.sh

#!/bin/bash
# Written in bash
# echo $SHELL

# change these values
APIKEY='8AAABBBCCC5'  
PROJECTID='111222'

nid=`curl -sS --header "x-api-key: $APIKEY" --request POST https://backtrac.io/api/project/$PROJECTID/snapshot | sed 's/.*\"nid\":\"\([^\"]*\).*/\1/'`

echo "Snapshot started: $nid"
printf "Waiting..."

i=0
while true
do
  success=`curl -sS --header "x-api-key: $APIKEY" --request GET https://backtrac.io/api/result/$nid | grep completed`
  # echo "CURL RESPONSE: $success END"
  if [ "$success" != "" ] || [ $i -eq 60 ]
  then
    break
  fi
  sleep 20
  printf '.'
  i=$((i+1))
done

echo 'Production snapshot completed.'

###### NOW RUN ALL YOUR DEPLOYMENT OPERATIONS ######
##### Like: deploy code, update database, clear caches etc. #######

# Run another snapshot after release is done.
curl --header "x-api-key: $APIKEY" --request POST "https://backtrac.io/api/project/$PROJECTID/compare_itself"