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OpenStack Logging

How to interpret this OpenStack logging message

To interpret the OpenStack logging message:

2025-06-25 13:22:40.999 7 ERROR ironic.common.policy [None req-e75fced6-3a9c-4d8d-aa85-aea5398d5c9e 5f9179b7e200cd85c55e8a26400e266c6b4f7209f6d3fb2adc3cf8e1113c378c 32e02632f4f04415bab5895d1e7247b7 - - 1f75c3b20fcb41ec924a71be83a5ee94 7f46f53fcb3c4625a343eaa35b5e0d04] sometext

Structure of the Log Message

Timestamp and Process Info

  • 2025-06-25 13:22:40.999: Date and time (with milliseconds) when the log entry was created.
  • 7: The process ID (PID) of the process emitting the log. Note that this is PID in container namespace.

Log Level and Source**

  • ERROR: Severity level of the log.
  • ironic.common.policy: Python module or component where the error originated. Here, it is the policy engine of the Ironic service (bare metal provisioning).

Contextual Information (in brackets)

This bracketed section contains various IDs and context fields, typically in this order:

  • None: Sometimes a placeholder for a missing field (could be project or domain).
  • req-e75fced6-3a9c-4d8d-aa85-aea5398d5c9e: The request ID, useful for tracing this request across different logs and services.
  • 5f9179b7e200cd85c55e8a26400e266c6b4f7209f6d3fb2adc3cf8e1113c378c: User ID.
  • 32e02632f4f04415bab5895d1e7247b7: Tenant or project ID.
  • - -: Placeholders for domain and user domain (may be empty if not set).
  • 1f75c3b20fcb41ec924a71be83a5ee94: User domain ID or project domain ID.
  • 7f46f53fcb3c4625a343eaa35b5e0d04: Project domain ID or similar.

These IDs can be looked up with:

User ID lookup

❯ openstack user show 5f9179b7e200cd85c55e8a26400e266c6b4f7209f6d3fb2adc3cf8e1113c378c
+---------------------+------------------------------------------------------------------+
| Field               | Value                                                            |
+---------------------+------------------------------------------------------------------+
| default_project_id  | None                                                             |
| domain_id           | 1f75c3b20fcb41ec924a71be83a5ee94                                 |
| email               | marek.skrobacki@rackspace.co.uk                                  |
| enabled             | True                                                             |
| id                  | 5f9179b7e200cd85c55e8a26400e266c6b4f7209f6d3fb2adc3cf8e1113c378c |
| name                | Marek.Skrobacki@rackspace.co.uk                                  |
| description         | None                                                             |
| password_expires_at | None                                                             |
+---------------------+------------------------------------------------------------------+

Project ID lookup

❯ openstack project show 32e02632f4f04415bab5895d1e7247b7
+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | Ironic Resources                 |
| domain_id   | 7f46f53fcb3c4625a343eaa35b5e0d04 |
| enabled     | True                             |
| id          | 32e02632f4f04415bab5895d1e7247b7 |
| is_domain   | False                            |
| name        | baremetal                        |
| options     | {}                               |
| parent_id   | 7f46f53fcb3c4625a343eaa35b5e0d04 |
| tags        | []                               |
+-------------+----------------------------------+

Domain lookup

❯ openstack domain show 1f75c3b20fcb41ec924a71be83a5ee94
+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | SSO to dex                       |
| enabled     | True                             |
| id          | 1f75c3b20fcb41ec924a71be83a5ee94 |
| name        | sso                              |
| options     | {}                               |
| tags        | []                               |
+-------------+----------------------------------+