require 'fileutils' module OpenShift module Ops class AwsHelper MYDIR = File.expand_path(File.dirname(__FILE__)) def self.get_list() cmd = "#{MYDIR}/../inventory/aws/ec2.py --list" hosts = %x[#{cmd} 2>&1] raise "Error: failed to list hosts\n#{hosts}" unless $?.exitstatus == 0 return JSON.parse(hosts) end def self.get_hosts() hosts = get_list() retval = [] hosts['_meta']['hostvars'].each do |host, info| retval << OpenStruct.new({ :name => info['ec2_tag_Name'], :env => info['ec2_tag_environment'] || 'UNSET', :public_ip => info['ec2_ip_address'], :public_dns => info['ec2_public_dns_name'], :state => info['ec2_state'], :created_by => info['ec2_tag_created-by'] }) end retval.sort_by! { |h| [h.env, h.state, h.name] } return retval end def self.get_host_details(host) hosts = get_list() dns_names = hosts["tag_Name_#{host}"] raise "Host not found [#{host}]" if dns_names.nil? raise "Multiple entries found for [#{host}]" if dns_names.size > 1 return hosts['_meta']['hostvars'][dns_names.first] end def self.check_creds() raise "AWS_ACCESS_KEY_ID environment variable must be set" if ENV['AWS_ACCESS_KEY_ID'].nil? raise "AWS_SECRET_ACCESS_KEY environment variable must be set" if ENV['AWS_SECRET_ACCESS_KEY'].nil? end def self.clear_inventory_cache() path = "#{ENV['HOME']}/.ansible/tmp" cache_files = ["#{path}/ansible-ec2.cache", "#{path}/ansible-ec2.index"] FileUtils.rm(cache_files) end def self.generate_env_tag(env) return { "environment" => env } end def self.generate_env_tag_name(env) h = generate_env_tag(env) return "tag_#{h.keys.first}_#{h.values.first}" end def self.generate_host_type_tag(host_type) return { "host-type" => host_type } end def self.generate_host_type_tag_name(host_type) h = generate_host_type_tag(host_type) return "tag_#{h.keys.first}_#{h.values.first}" end def self.generate_env_host_type_tag(env, host_type) return { "env-host-type" => "#{env}-#{host_type}" } end def self.generate_env_host_type_tag_name(env, host_type) h = generate_env_host_type_tag(env, host_type) return "tag_#{h.keys.first}_#{h.values.first}" end end end end