Merge pull request #11 from twiest/pull

Added atomic aws host to cloud.rb

1 files changed, 82 insertions, 0 deletions

diff --git a/lib/aws_helper.rb b/lib/aws_helper.rb
new file mode 100644
index 000000000..6d213107b
--- /dev/null
+++ b/lib/aws_helper.rb
@@ -0,0 +1,82 @@
+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',
+            :external_ip => info['ec2_ip_address'],
+            :public_dns  => info['ec2_public_dns_name']
+          })
+        end
+
+        retval.sort_by! { |h| [h.env, h.name] }
+
+        return retval
+      end
+
+      def self.get_host_details(host)
+        hosts = get_list()
+        dns_names = hosts["tag_Name_#{host}"]
+
+        raise "Error: host not found [#{host}]" if dns_names.nil?
+
+        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