Fixed an issue with the latest gce list. Correctly handles _meta

lib/gce_command.rb

@@ -120,14 +120,20 @@ module OpenShift
         ah.run_playbook("playbooks/gce/#{host_type}/terminate.yml")
       end
 
+      option :env, :required => false, :aliases => '-e', :enum => SUPPORTED_ENVS,
+             :desc => 'The environment to list.'
       desc "list", "Lists instances."
       def list()
         hosts = GceHelper.get_hosts()
 
+        hosts.delete_if { |h| h.env != options[:env] } unless options[:env].nil?
+
+        fmt_str = "%34s %5s %8s %17s %7s"
+
         puts
-        puts "Instances"
-        puts "---------"
-        hosts.each { |k| puts "  #{k.name}" }
+        puts fmt_str % ['Name','Env', 'State', 'IP Address', 'Created By']
+        puts fmt_str % ['----','---', '-----', '----------', '----------']
+        hosts.each { |h| puts fmt_str % [h.name, h.env, h.state, h.public_ip, h.created_by ] }
         puts
       end
 

lib/gce_helper.rb

@@ -5,23 +5,41 @@ module OpenShift
     class GceHelper
       MYDIR = File.expand_path(File.dirname(__FILE__))
 
-      def self.get_hosts()
+      def self.get_list()
         cmd = "#{MYDIR}/../inventory/gce/gce.py --list"
         hosts = %x[#{cmd} 2>&1]
 
         raise "Error: failed to list hosts\n#{hosts}" unless $?.exitstatus == 0
 
-        # invert the hash so that it's key is the host, and values is an array of metadata
-        data = {}
-        JSON.parse(hosts).each do |key,value|
-          value.each { |h| (data[h] ||= []) << key }
+        return JSON.parse(hosts)
+      end
+
+      def self.get_tag(tags, selector)
+        tags.each do |tag|
+          return $1 if tag =~ selector
         end
 
-        # For now, we only care about the name. In the future, we may want the other metadata included.
+        return nil
+      end
+
+      def self.get_hosts()
+        hosts = get_list()
+
         retval = []
-        data.keys.sort.each { |k| retval << OpenStruct.new({ :name => k }) }
+        hosts['_meta']['hostvars'].each do |host, info|
+          retval << OpenStruct.new({
+            :name        => info['gce_name'],
+            :env         => get_tag(info['gce_tags'], /^env-(\w+)$/) || 'UNSET',
+            :public_ip   => info['gce_public_ip'],
+            :state       => info['gce_status'],
+            :created_by  => get_tag(info['gce_tags'], /^created-by-(\w+)$/) || 'UNSET',
+          })
+        end
+
+        retval.sort_by! { |h| [h.env, h.state, h.name] }
 
         return retval
+
       end
 
       def self.get_host_details(host)