Messages from udp can have invalid message signature.
Log of message which send from udp publisher:
2014-03-26 12:55:28.110 15473 DEBUG ceilometer.publisher.udp [-] Publishing sample {'counter_name': u'instance:m1.medium', 'resource_id': u'b5dea434-e6d7-4126-9016-c5a1dde7e131', 'timestamp': '2014-03-26T08:55:28Z', 'counter_volume': 1, 'user_id': u'c052abd141ea4ea09be30d6953ee0272', 'message_signature': '1b05d28af0a7dbf54f6e4b0872d96a7b62b1884a95fb00ee102801b3bbfe2b5a', 'resource_metadata': {'ephemeral_gb': 0, 'display_name': u'ai', 'name': u'instance-00000016', 'disk_gb': 40, 'kernel_id': None, 'image': {u'id': u'c2cf308a-75d3-4a72-be4d-f20cc8c3194e', u'links': [{u'href': u'http://172.18.79.141:8774/ad2bb7e566be4ef196282ae5109f060e/images/c2cf308a-75d3-4a72-be4d-f20cc8c3194e', u'rel': u'bookmark'}], 'name': u'ubuntu-12.04'}, 'ramdisk_id': None, 'vcpus': 2, 'memory_mb': 4096, 'instance_type': u'3', 'host': u'300bb0f767dd72b17d0d33eccb2cba4a864dd2ab01d8fb89c2b8ce0e', 'root_gb': 40, 'image_ref': u'c2cf308a-75d3-4a72-be4d-f20cc8c3194e', 'flavor': {'name': u'm1.medium', u'links': [{u'href': u'http://172.18.79.141:8774/ad2bb7e566be4ef196282ae5109f060e/flavors/3', u'rel': u'bookmark'}], 'ram': 4096, 'ephemeral': 0, 'vcpus': 2, 'disk': 40, u'id': u'3'}, 'OS-EXT-AZ:availability_zone': u'nova', 'image_ref_url': u'http://172.18.79.141:8774/ad2bb7e566be4ef196282ae5109f060e/images/c2cf308a-75d3-4a72-be4d-f20cc8c3194e'}, 'source': 'openstack', 'counter_unit': 'instance', 'project_id': u'6e95f8ac361d43698b8afa78f576a10e', 'message_id': '60c04c02-b4c4-11e3-b2b2-0025906b9808', 'counter_type': 'gauge'} over UDP to localhost:4952 publish_samples /opt/stack/ceilometer/ceilometer/publisher/udp.py:62
Dispatcher's log of discarding received message
2014-03-26 12:55:28.666 14587 WARNING ceilometer.dispatcher.database [-] message signature invalid, discarding message: {'counter_name': 'instance:m1.medium', 'user_id': 'c052abd141ea4ea09be30d6953ee0272', 'message_signature': '1b05d28af0a7dbf54f6e4b0872d96a7b62b1884a95fb00ee102801b3bbfe2b5a', 'timestamp': '2014-03-26T08:55:28Z', 'resource_id': 'b5dea434-e6d7-4126-9016-c5a1dde7e131', 'message_id': '60c04c02-b4c4-11e3-b2b2-0025906b9808', 'source': 'openstack', 'counter_unit': 'instance', 'counter_volume': 1, 'project_id': '6e95f8ac361d43698b8afa78f576a10e', 'resource_metadata': {'ramdisk_id': None, 'display_name': 'ai', 'name': 'instance-00000016', 'disk_gb': 40, 'kernel_id': None, 'image': {'id': 'c2cf308a-75d3-4a72-be4d-f20cc8c3194e', 'links': ({'href': 'http://172.18.79.141:8774/ad2bb7e566be4ef196282ae5109f060e/images/c2cf308a-75d3-4a72-be4d-f20cc8c3194e', 'rel': 'bookmark'},), 'name': 'ubuntu-savanna-icehouse'}, 'ephemeral_gb': 0, 'host': '300bb0f767dd72b17d0d33eccb2cba4a864dd2ab01d8fb89c2b8ce0e', 'memory_mb': 4096, 'instance_type': '3', 'vcpus': 2, 'root_gb': 40, 'image_ref': 'c2cf308a-75d3-4a72-be4d-f20cc8c3194e', 'flavor': {'name': 'm1.medium', 'links': ({'href': 'http://172.18.79.141:8774/ad2bb7e566be4ef196282ae5109f060e/flavors/3', 'rel': 'bookmark'},), 'ram': 4096, 'ephemeral': 0, 'vcpus': 2, 'disk': 40, 'id': '3'}, 'OS-EXT-AZ:availability_zone': 'nova', 'image_ref_url': 'http://172.18.79.141:8774/ad2bb7e566be4ef196282ae5109f060e/images/c2cf308a-75d3-4a72-be4d-f20cc8c3194e'}, 'counter_type': 'gauge'}
Fix proposed to branch: master /review. openstack. org/83722
Review: https:/