rework health checks

Author: ttt161

apps/hellgate/src/hellgate.erl

@@ -59,7 +59,10 @@ init([]) ->
 
 get_api_child_spec(MachineHandlers, Opts) ->
     {ok, Ip} = inet:parse_address(genlib_app:env(?MODULE, ip, "::")),
-    HealthRoutes = construct_health_routes(genlib_app:env(?MODULE, health_check, #{})),
+    %HealthRoutes = construct_health_routes(genlib_app:env(?MODULE, health_check, #{})),
+    HealthRoutes =
+        construct_health_routes(liveness, genlib_app:env(?MODULE, health_check_liveness, #{})) ++
+            construct_health_routes(readiness, genlib_app:env(?MODULE, health_check_readiness, #{})),
     EventHandlerOpts = genlib_app:env(?MODULE, scoper_event_handler_options, #{}),
     PrometeusRoute = get_prometheus_route(),
     woody_server:child_spec(
@@ -81,8 +84,10 @@ get_api_child_spec(MachineHandlers, Opts) ->
         }
     ).
 
-construct_health_routes(Check) ->
-    [erl_health_handle:get_route(enable_health_logging(Check))].
+construct_health_routes(liveness, Check) ->
+    [erl_health_handle:get_liveness_route(enable_health_logging(Check))];
+construct_health_routes(readiness, Check) ->
+    [erl_health_handle:get_readiness_route(enable_health_logging(Check))].
 
 enable_health_logging(Check) ->
     EvHandler = {erl_health_event_handler, []},

config/sys.config

@@ -62,11 +62,23 @@
         {proxy_opts, #{
             transport_opts => #{}
         }},
-        {health_check, #{
-            disk => {erl_health, disk, ["/", 99]},
+        %{health_check, #{
+        %    disk => {erl_health, disk, ["/", 99]},
+        %    memory => {erl_health, cg_memory, [70]},
+        %    service => {erl_health, service, [<<"{{ service_name }}">>]},
+        %    dmt_client => {dmt_client, health_check, [<<"hellgate">>]}
+        %}},
+        {health_check_liveness, #{
             memory => {erl_health, cg_memory, [70]},
-            service => {erl_health, service, [<<"{{ service_name }}">>]},
-            dmt_client => {dmt_client, health_check, [<<"hellgate">>]}
+            service => {erl_health, service, [<<"{{ service_name }}">>]}
+        }},
+        {health_check_readiness, #{
+            dmt_client => {dmt_client, health_check, [<<"hellgate">>]},
+            progressor =>
+                {progressor, health_check, [
+                    %% list of progressors namespaces for tests
+                    [invoice_template]
+                ]}
         }},
         {payment_retry_policy, #{
             processed => {exponential, {max_total_timeout, 30}, 2, 1},