17 commits

Author	SHA1	Message	Date
catborise	10b46afd36	fix(vrtManager): libvirt connections open within a time limit ... libvirt has no timeout for opening a connection. Measured in the test setup: an unreachable host blocked qemu+tcp for 135 s and qemu+ssh for 133 s; a daemon that accepts and never answers blocks forever. Gunicorn runs sync workers and the instance list connects to every compute, so one unreachable compute held a worker for minutes per page load. - A connection is opened in a helper thread, at most one per connection at a time. The request waits LIBVIRT_CONNECT_TIMEOUT (default 5 s). An open nobody waits for any more keeps running; until it ends, requests get its error at once, and if it succeeds later the connection is used. A failed open is not repeated for LIBVIRT_RETRY_AFTER (default 30 s). A stuck host holds one thread and does not keep other hosts from connecting. - qemu+ssh runs ssh through vrtManager/libvirt-ssh (the URI's command parameter), which adds ConnectTimeout=10 and BatchMode=yes, so an abandoned ssh process ends and no prompt can hang. The user's ssh configuration (aliases, ProxyJump, keys) still applies. - The close callback acts only for the connection it was registered for: a late callback of a replaced connection dropped its successor. The reason is reported as text. A connection that closed before it was published is an error. - Compute.status is a bool (it returned the exception object, so the "host is down" check in refresh_instance_database never fired); the message is Compute.connection_error. Unit tests cover the timeout, retry delay, late success, single open, a stuck host next to a healthy one and the close callback. Live tests (vrtManager/test_live_connection.py), for TCP and SSH computes of the test setup: an unreachable address (no ssh left after 10 s), an endpoint that never answers, a slow open completing later, a host that goes silent on an established connection (keepalive ends calls within 45 s, the next request reconnects), an ssh_config alias and a ProxyJump host.	2026-10-05 09:06:52 +03:00
catborise	91ec098aa0	fix cpu_usage waiting for instance creation.	2023-05-18 14:35:19 +03:00
cserma	3cd4212cdd	modified 'create new instance' screen with compute details	2023-05-10 13:59:13 +03:00
catborise	217e106c8b	format python code with black	2022-11-02 08:54:35 +03:00
Real-Gecko	1b3fd9d05e	replaced ugettext_lazy with gettext_lazy	2020-10-14 18:27:57 +06:00
Real-Gecko	47009d47ca	Instances overhaul	2020-07-13 15:33:09 +06:00
Real-Gecko	a4d28f2953	Reworked some computes views and added more tests	2020-06-15 17:52:05 +06:00
Real-Gecko	9a75ceb0e5	Replaced __unicode__ with __str__ for models	2020-06-15 12:57:17 +06:00
catborise	e97d592e51	fix some messages, add translation for some keywords, update tr locale file	2020-06-12 14:46:17 +03:00
Real-Gecko	7103c52380	Reworked some computes forms and views	2020-05-29 19:25:36 +06:00
catborise	4d40de1b55	Python3 & Django 2.2 Migration - Fix & Updates	2020-03-16 16:59:45 +03:00
catborise	c79a635923	change compute name, hostaname, details char size. url.py typo fix	2020-01-21 15:26:35 +03:00
T. Tran	08e694db4d	Increase some max_length	2019-11-09 00:07:02 +07:00
catborise	eb621ef2c6	broken compute details info is fixed.	2018-07-31 10:15:59 +03:00
andrem	fc56e66555	add migration for new column details for hypervisor.	2016-03-18 12:07:42 -03:00
Retspen	56f840c893	Fixed pep8	2015-03-27 17:12:15 +02:00
Retspen	4d48e79341	Initial commit	2015-02-27 10:53:51 +02:00