* Implement rabbitmq-queues leader_health_check command for quorum queues
(cherry picked from commit c26edbef33)
* Tests for rabbitmq-queues leader_health_check command
(cherry picked from commit 6cc03b0009)
* Ensure calling ParentPID in leader health check execution and
reuse and extend formatting API, with amqqueue:to_printable/2
(cherry picked from commit 76d66a1fd7)
* Extend core leader health check tests and update badrpc error handling in cli tests
(cherry picked from commit 857e2a73ca)
* Refactor leader_health_check command validators and ignore vhost arg
(cherry picked from commit 6cf9339e49)
* Update leader_health_check_command description and banner
(cherry picked from commit 96b8bced2d)
* Improve output formatting for healthy leaders and support
silent mode in rabbitmq-queues leader_health_check command
(cherry picked from commit 239a69b404)
* Support global flag to run leader health check for
all queues in all vhosts on local node
(cherry picked from commit 48ba3e161f)
* Return immediately for leader health checks on empty vhosts
(cherry picked from commit 7873737b35)
* Rename leader health check timeout refs
(cherry picked from commit b7dec89b87)
* Update banner message for global leader health check
(cherry picked from commit c7da4d5b24)
* QQ leader-health-check: check_process_limit_safety before spawning leader checks
(cherry picked from commit 17368454c5)
* Log leader health check result in broker logs (if any leaderless queues)
(cherry picked from commit 1084179a2c)
* Ensure check_passed result for leader health internal calls)
(cherry picked from commit 68739a6bd2)
* Extend CLI format output to process check_passed payload
(cherry picked from commit 5f5e9922bd)
* Format leader healthcheck result log and function exports
(cherry picked from commit ebffd7d8a4)
* Change leader_health_check command scope from queues to diagnostics
(cherry picked from commit 663fc9846e)
* Update (c) line year
(cherry picked from commit df82f12a70)
* Rename command to check_for_quorum_queues_without_an_elected_leader
and use across_all_vhosts option for global checks
(cherry picked from commit b2acbae28e)
* Use rabbit_db_queue for qq leader health check lookups
and introduce rabbit_db_queue:get_all_by_type_and_vhost/2.
Update leader health check timeout to 5s and process limit
threshold to 20% of node's process_limit.
(cherry picked from commit 7a8e166ff6)
* Update tests: quorum_queue_SUITE and rabbit_db_queue_SUITE
(cherry picked from commit 9bdb81fd79)
* Fix typo (cli test module)
(cherry picked from commit 615856853a)
* Small refactor - simpler final leader health check result return on function head match
(cherry picked from commit ea07938f3d)
* Clear dialyzer warning & fix type spec
(cherry picked from commit a45aa81bd2)
* Ignore result without strict match to avoid diayzer warning
(cherry picked from commit bb43c0b929)
* 'rabbitmq-diagnostics check_for_quorum_queues_without_an_elected_leader' documentation edits
(cherry picked from commit 845230b0b380a5f5bad4e571a759c10f5cc93b91)
* 'rabbitmq-diagnostics check_for_quorum_queues_without_an_elected_leader' output copywriting
(cherry picked from commit 235f43bad58d3a286faa0377b8778fcbe6f8705d)
* diagnostics check_for_quorum_queues_without_an_elected_leader: behave like a health check w.r.t. error reporting
(cherry picked from commit db7376797581e4716e659fad85ef484cc6f0ea15)
* check_for_quorum_queues_without_an_elected_leader: handle --quiet and --silent
plus simplify function heads.
References #13433.
(cherry picked from commit 7b392315d5e597e5171a0c8196230d92b8ea8e92)
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Co-authored-by: Ayanda Dube <adube14@bloomberg.net>
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