Heat Wait Condition Error

Provision began: 2013-04-02 02:08:17.272057
/var/lib/heat-cfntools/cfn-userdata
#!/bin/bash -v
# Helper function
function error_exit
{
  /opt/aws/bin/cfn-signal -e 1 -r "$1" 'http://192.168.1.79:8000/v1/waitcondition/arn%3Aopenstack%3Aheat%3A%3A23a27ebd653a417aa2ce3fa0739926c2%3Astacks%2Fbasic.ElasticLoadBalancer%2Fc79613a0-4049-404c-a74d-c9692771332a%2Fresources%2FWaitHandle?Timestamp=2013-04-02T06%3A03%3A49Z&SignatureMethod=HmacSHA256&AWSAccessKeyId=9292c7e2c77545a78758a7680244d79d&SignatureVersion=2&Signature=wtnvsan9QwR6ygIOGcFFlusUu7%2FFftcDe2H%2BuSURiB0%3D'
  exit 1
}
/opt/aws/bin/cfn-init -s arn:openstack:heat::23a27ebd653a417aa2ce3fa0739926c2:stacks/basic.ElasticLoadBalancer/c79613a0-4049-404c-a74d-c9692771332a    -r LB_instance     --region ap-southeast-1
WARNING [2013-04-02 02:08:19,255] Unable to retrieve remote metadata : No credentials!
WARNING [2013-04-02 02:08:19,255] Unable to open local metadata : /tmp/last_metadata
INFO [2013-04-02 02:08:19,255] Opened local metadata /var/lib/cloud/data/cfn-init-data
DEBUG [2013-04-02 02:08:19,256] Running command: yum -y makecache