1#!/bin/bash 2 3## 4# Script to deploy a docker image. Must return exit code 0 5# 6do_exit() { 7 message="$1" 8 exit_code="$2" 9 10 echo "$message" 11 exit $exit_code 12} 13 14## 15# Get file, get's a file, validates the SHA 16# @param filename 17# @param expected sha value 18# @returns 0 if successful, -1 of checksum validation failed. 19# 20get_file () { 21 [ -n "$1" ] && url=$1 || do_exit "url required" -1 22 [ -n "$2" ] && dest=$2 || do_exit "destination required" -2 23 sha=$3 24 file=$(basename $dest) 25 26 wget "$url" -O "$dest" 27 if [ -n "$sha" ]; then 28 echo "$sha $dest" | sha256sum --check --status || do_exit "Checksum validation failed for $file. Exiting" -1 29 fi 30} 31 32untar_file () { 33 [ -n "$1" ] && src=$1 || do_exit "src required" -1 34 [ -n "$2" ] && dest=$2 || dest="/usr/local" 35 36 tar -C "$dest" -xf "$src" && /bin/rm -rf "$src" 37} 38