Hello,
I am testing Octavia Queens and I see that the failover behavior is very much
different than the one in Ocata (this is the version we are currently running
in production).
One example of such behavior is:
I create 4 load balancers and after the creation is successful, I shut off all
the 8 amphoras. Sometimes, even the health-manager agent does not reach the
amphoras, they are not deleted and re-created. The logs look like shown below
even when the heartbeat timeout is long passed. Sometimes the amphoras are
deleted and re-created. Sometimes, they are partially re-created - part of
them remain in shut off.
Heartbeat_timeout is set to 60 seconds.
[octavia-health-manager-3662231220-nxnt3] 2018-04-25 10:57:26.244 11 WARNING
octavia.amphorae.drivers.haproxy.rest_api_driver
[req-339b54a7-ab0c-422a-832f-a444cd710497 - a5f15235c0714365b98a50a11ec956e7 -
- -] Could not connect to instance. Retrying.: ConnectionError:
HTTPSConnectionPool(host='192.168.0.15', port=9443): Max retries exceeded with
url:
/0.5/listeners/285ad342-5582-423e-b654-1f0b50d91fb2/certificates/octaviasrv2.orange.com.pem
(Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection
object at 0x7f559862c710>: Failed to establish a new connection: [Errno 113] No
route to host',))
[octavia-health-manager-3662231220-3lssd] 2018-04-25 10:57:26.464 13 WARNING
octavia.amphorae.drivers.haproxy.rest_api_driver
[req-a63b795a-4b4f-4b90-a201-a4c9f49ac68b - a5f15235c0714365b98a50a11ec956e7 -
- -] Could not connect to instance. Retrying.: ConnectionError:
HTTPSConnectionPool(host='192.168.0.14', port=9443): Max retries exceeded with
url:
/0.5/listeners/a45bdef3-e7da-4a18-9f1f-53d5651efe0f/1615c1ec-249e-4fa8-9d73-2397e281712c/haproxy
(Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection
object at 0x7f8a0de95e10>: Failed to establish a new connection: [Errno 113] No
route to host',))
[octavia-health-manager-3662231220-nxnt3] 2018-04-25 10:57:27.772 11 WARNING
octavia.amphorae.drivers.haproxy.rest_api_driver
[req-10febb10-85ea-4082-9df7-daa48894b004 - a5f15235c0714365b98a50a11ec956e7 -
- -] Could not connect to instance. Retrying.: ConnectionError:
HTTPSConnectionPool(host='192.168.0.19', port=9443): Max retries exceeded with
url:
/0.5/listeners/96ce5862-d944-46cb-8809-e1e328268a66/fc5b7940-3527-4e9b-b93f-1da3957a5b71/haproxy
(Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection
object at 0x7f5598491c90>: Failed to establish a new connection: [Errno 113] No
route to host',))
[octavia-health-manager-3662231220-nxnt3] 2018-04-25 10:57:34.252 11 WARNING
octavia.amphorae.drivers.haproxy.rest_api_driver
[req-339b54a7-ab0c-422a-832f-a444cd710497 - a5f15235c0714365b98a50a11ec956e7 -
- -] Could not connect to instance. Retrying.: ConnectionError:
HTTPSConnectionPool(host='192.168.0.15', port=9443): Max retries exceeded with
url:
/0.5/listeners/285ad342-5582-423e-b654-1f0b50d91fb2/certificates/octaviasrv2.orange.com.pem
(Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection
object at 0x7f5598520790>: Failed to establish a new connection: [Errno 113] No
route to host',))
[octavia-health-manager-3662231220-3lssd] 2018-04-25 10:57:34.476 13 WARNING
octavia.amphorae.drivers.haproxy.rest_api_driver
[req-a63b795a-4b4f-4b90-a201-a4c9f49ac68b - a5f15235c0714365b98a50a11ec956e7 -
- -] Could not connect to instance. Retrying.: ConnectionError:
HTTPSConnectionPool(host='192.168.0.14', port=9443): Max retries exceeded with
url:
/0.5/listeners/a45bdef3-e7da-4a18-9f1f-53d5651efe0f/1615c1ec-249e-4fa8-9d73-2397e281712c/haproxy
(Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection
object at 0x7f8a0de953d0>: Failed to establish a new connection: [Errno 113] No
route to host',))
[octavia-health-manager-3662231220-nxnt3] 2018-04-25 10:57:35.780 11 WARNING
octavia.amphorae.drivers.haproxy.rest_api_driver
[req-10febb10-85ea-4082-9df7-daa48894b004 - a5f15235c0714365b98a50a11ec956e7 -
- -] Could not connect to instance. Retrying.: ConnectionError:
HTTPSConnectionPool(host='192.168.0.19', port=9443): Max retries exceeded with
url:
/0.5/listeners/96ce5862-d944-46cb-8809-e1e328268a66/fc5b7940-3527-4e9b-b93f-1da3957a5b71/haproxy
(Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection
object at 0x7f55984e2050>: Failed to establish a new connection: [Errno 113] No
route to host',))
Thank you,
Mihaela Balas
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