This downloads files then it creates an war file and finally bundles it up in an rpm using fpm

build_war_rpm.rb

#!/usr/bin/ruby
require 'open-uri'

puts "Downloading RPMs from Artifactory REPO!!!"
RPMS = [ "kube_yamls-1.0-1.x86_64.rpm", "mysql_docker_build-1.0-1.x86_64.rpm", "jboss_docker_build-1.0-1.x86_64.rpm", "Percona-Server-client-56-5.6.23-rel72.1.el6.x86_64.rpm", "Percona-Server-server-56-5.6.23-rel72.1.el6.x86_64.rpm", "Percona-Server-shared-56-5.6.23-rel72.1.el6.x86_64.rpm", "percona-xtrabackup-2.2.9-5067.el6.x86_64.rpm" ]

RPMS.each{|rpm|
  open(rpm, 'wb') do |file|
	puts "Downloading #{rpm}"
	file << open("https://ccs-artifactory.com/artifactory/repo/#{rpm}").read
  end
}

puts "building war file..".upcase


#####################################
#
# Defining instructions to create war file
#
#####################################

WARCOMMANDS = %Q(
if ! mvn -v | grep "Apache Maven"; then
  sudo yum -y install maven
fi
if ! git --version; then
  sudo yum -y install git
fi
#git clone https://ccs-gerrit.isc.com/centro

mvn -f centro/pom.xml clean install
)


#####################################
#
# Executing the instructions defined above
#
#####################################
IO.popen(WARCOMMANDS).each{|i|
  puts i.upcase
}


puts "packing war into rpm.....".upcase


#####################################
#
# Defining instructions to pack war file into rpm
#
#####################################

FPMCOMMANDS = %Q(
#!/bin/bash
VERSION=3.4.2

hash gcc 2>/dev/null || {
  sudo yum install gcc -y
}

if ! rpm -q ruby-devel 2>/dev/null; then
  sudo yum install -y ruby-devel
fi

hash rpmbuild 2>/dev/null || {
  sudo yum install -y rpm-build
}

# /usr/local/bin must be added to root user's path or fpm will not be found.
PATH=$PATH:/usr/local/bin

hash fpm 2>/dev/null || {
  sudo gem install fpm --no-ri --no-rdoc
}

if ! fpm --version | grep "1.4"; then
  sudo gem update fpm
fi

######################################################################
#
# BUILD WAR RPM
#
#######################################################################

fpm -s dir -t rpm -f -n centro_war_build  -v 1.2 --epoch 0 centro/target/centro-1.0.war
)

##############################
# Executing the commands defined above
##############################
IO.popen(FPMCOMMANDS).each{|i|
  puts "Making the changes...."
  puts i.upcase
}