openstack
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octavia
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octavia/tools
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Michael Johnson 8eaa660c3a Refactor the failover flows 
This patch refactors the failover flows to improve the performance
and reliability of failovers in Octavia.

Specific improvements are:
* More tasks and flows will retry when other OpenStack services are
  failing.
* Failover can now succeed even when all of the amphora are missing
  for a given load balancer.
* It will check and repair the load balancer VIP should the VIP
  port(s) become corrupted in neutron.
* It will cleanup extra resources that may be associated with a
  load balancer in the event of a cloud service failure.

This patch also removes some dead code.

Conflicts:
  octavia/amphorae/backends/agent/api_server/amphora_info.py
  octavia/amphorae/drivers/haproxy/rest_api_driver.py
  octavia/amphorae/drivers/keepalived/vrrp_rest_driver.py
  octavia/api/drivers/utils.py
  octavia/api/v2/controllers/load_balancer.py
  octavia/common/constants.py
  octavia/common/utils.py
  octavia/controller/worker/v1/controller_worker.py
  octavia/controller/worker/v1/flows/amphora_flows.py
  octavia/controller/worker/v1/tasks/amphora_driver_tasks.py
  octavia/controller/worker/v1/tasks/compute_tasks.py
  octavia/controller/worker/v1/tasks/network_tasks.py
  octavia/network/base.py
  octavia/tests/unit/amphorae/backends/agent/api_server/test_loadbalancer.py
  octavia/tests/unit/controller/worker/v1/flows/test_amphora_flows.py
  octavia/tests/unit/controller/worker/v1/flows/test_load_balancer_flows.py
  octavia/tests/unit/controller/worker/v1/tasks/test_network_tasks.py
  octavia/tests/unit/controller/worker/v1/test_controller_worker.py
  octavia/tests/unit/controller/worker/v2/tasks/test_amphora_driver_tasks.py

Change-Id: I04cb2f1f10ec566298834f81df0cf8b100ca916c
Story: 2003084
Task: 23166
Story: 2004440
Task: 28108
(cherry picked from commit 955bb88406)
(cherry picked from commit 2f9dc3693e)
(cherry picked from commit edebde748d0283a9948c8b7f6386d5a8835c617c)
 		2020-07-09 10:59:04 +00:00
..
__init__.py Adds a process to generate key flow documentation 2016-08-10 21:39:38 +00:00
coding-checks.sh Speed up pylint by using multiple cores 2019-02-17 14:09:20 +00:00
create_flow_docs.py Refactor the failover flows 2020-07-09 10:59:04 +00:00
flow-list.txt Refactor the failover flows 2020-07-09 10:59:04 +00:00
misc-sanity-checks.sh Setup translation for octavia 2016-12-15 00:48:02 +00:00
pkcs7_to_pem.py Add support for PKCS7 bundles and encrypted keys 2016-10-05 19:51:51 -07:00