2.8 KiB
2.8 KiB
Notification Messages
OpenStack services can be configured to send notifications on the message bus about the executing task or the state of the cloud resources1. These notifications are received by the LMA collector service and turned into Heka messages.
Notification Messages Format
In addition to the common_message_format, notification-based messages
have additional properties.
Attributes in bold are always present in the messages while attributes in italic are optional.
- Logger (string), the OpenStack service that emitted
the notification, (eg,
nova). - Payload (string), the payload of the OpenStack notification.
- Hostname (string), the name of the host that originated the notification.
- Type (string), always
notification. - Fields
- hostname (string), the name of the host that originated the notification.
- publisher (string), the name of the underlying
service that emitted the notification (eg,
scheduler). - severity_label (string), the textual representation of the severity level.
- event_type (string), the notification's type (eg
compute.instance.create.end). - tenant_id (string), the UUID of the OpenStack tenant to which the message applies.
- user_id (string), the UUID of the OpenStack user to which the message applies.
- instance_id (string), the UUID of the virtual instance to which the message applies.
- image_name (string), the image used by the image.
- display_name (string), the visible name of the resource.
- instance_type (string), the type of instance (eg
m1.small). - availability_zone (string), the availability zone of the instance.
- vcpus (number), the number of VCPU provisioned for the instance.
- memory_mb (number), the amount of RAM provisioned for the instance.
- disk_gb (number), the disk space provisioned for the instance.
- old_state (string), the previous state of the instance (eg
building). - state (string), the state of the instance (eg
active). - old_task_state (string), the previous task state for the
instance (eg
block_device_mapping). - new_task_state (string), the new task state for the
instance (eg
spawning). - created_at (string): the date of creation of the instance.
- launched_at (string): the date when the instance was effectively launched.
- deleted_at (string): the date of deletion of the instance.
- terminated_at (string): the date when the instance was effectively terminated.