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rabbit_khepri: Retry register_projections during boot (backport #11741) #11833

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Merged
merged 3 commits into from
Jul 25, 2024
Merged

rabbit_khepri: Retry register_projections during boot (backport #11741) #11833

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ccf03c7
rabbit_khepri: Retry register_projections during boot
dcorbacho Jul 17, 2024
3fc33bc
Catch throw:timeout as returned from Khepri 0.14.0
dcorbacho Jul 17, 2024
d729022
Handle timeout_waiting_for_khepri_projections on cli commands
dcorbacho Jul 18, 2024
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17 changes: 16 additions & 1 deletion deps/rabbit/src/rabbit_khepri.erl
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Original file line number Diff line number Diff line change
Expand Up @@ -263,7 +263,7 @@ setup(_) ->
case khepri:start(?RA_SYSTEM, RaServerConfig) of
{ok, ?STORE_ID} ->
wait_for_leader(),
register_projections(),
wait_for_register_projections(),
?LOG_DEBUG(
"Khepri-based " ?RA_FRIENDLY_NAME " ready",
#{domain => ?RMQLOG_DOMAIN_GLOBAL}),
Expand Down Expand Up @@ -306,6 +306,21 @@ wait_for_leader(Timeout, Retries) ->
throw(Reason)
end.

wait_for_register_projections() ->
wait_for_register_projections(retry_timeout(), retry_limit()).

wait_for_register_projections(_Timeout, 0) ->
exit(timeout_waiting_for_khepri_projections);
wait_for_register_projections(Timeout, Retries) ->
rabbit_log:info("Waiting for Khepri projections for ~tp ms, ~tp retries left",
[Timeout, Retries - 1]),
try
register_projections()
catch
throw : timeout ->
wait_for_register_projections(Timeout, Retries -1)
end.

%% @private

can_join_cluster(DiscoveryNode) when is_atom(DiscoveryNode) ->
Expand Down
4 changes: 4 additions & 0 deletions deps/rabbitmq_cli/lib/rabbitmq/cli/default_output.ex
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Expand Up @@ -82,6 +82,10 @@ defmodule RabbitMQ.CLI.DefaultOutput do
{:error, RabbitMQ.CLI.Core.ExitCodes.exit_tempfail(), khepri_timeout_error(node_name)}
end

defp format_khepri_output({:error, :timeout_waiting_for_khepri_projections}, %{node: node_name}) do
{:error, RabbitMQ.CLI.Core.ExitCodes.exit_tempfail(), khepri_timeout_error(node_name)}
end

defp format_khepri_output(result, _opts) do
result
end
Expand Down