openstack/openstack-ansible-haproxy_server - openstack-ansible-haproxy_server - OpenDev: Free Software Needs Free Tools

In order to reduce divergance with ansible-lint rules, we apply
auto-fixing of violations.
In current patch we replace all kind of truthy variables with
`true` or `false` values to align with recommendations along with
alignment of used quotes.
Change-Id: I4a3107ce91b0eed15f3ab9aea4a1e6c4f967d0e0

Change-Id: I7647f067ba33fb0329f6e5e7d40b641fd45cb062

For historical reasons the ``haproxy_service_configs`` variable was
a list of nested mappings with only single valid key for the top
level mapping.
There have been no use-cases for extra keys, so this patch simplifies
the code by removing one level of nesting.
Change-Id: I50c17b7020a459ab8a88b004cc8828cac857f1c9

The yaml should start with "---"
Change-Id: I82b195b77102c3da98ca42cdba800b52bab10631

The example contains a typo for the haproxy_backend_arguments
option, which is now corrected.
Change-Id: Icd4e5f5b61e24067f6f6e749dd1215b99b6c66ef

Support for backend options is added to support
arbitrary haproxy options like http-check or tcp-check
Change-Id: I0a5761c14e0bf27ac36d4f27522fbb756bb70950
Related-To: #1681695