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Posted to notifications@couchdb.apache.org by GitBox <gi...@apache.org> on 2018/04/12 20:54:46 UTC
[GitHub] nickva closed pull request #1277: In _scheduler/docs fix `crashing`
state showing as `pending` sometimes
nickva closed pull request #1277: In _scheduler/docs fix `crashing` state showing as `pending` sometimes
URL: https://github.com/apache/couchdb/pull/1277
This is a PR merged from a forked repository.
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diff --git a/src/couch_replicator/src/couch_replicator_scheduler.erl b/src/couch_replicator/src/couch_replicator_scheduler.erl
index 0b396346a7..50896c5482 100644
--- a/src/couch_replicator/src/couch_replicator_scheduler.erl
+++ b/src/couch_replicator/src/couch_replicator_scheduler.erl
@@ -138,11 +138,15 @@ job_summary(JobId, HealthThreshold) ->
ErrorCount = consecutive_crashes(History, HealthThreshold),
{State, Info} = case {Pid, ErrorCount} of
{undefined, 0} ->
- {pending, null};
+ case History of
+ [{{crashed, Error}, _When} | _] ->
+ {crashing, crash_reason_json(Error)};
+ [_ | _] ->
+ {pending, null}
+ end;
{undefined, ErrorCount} when ErrorCount > 0 ->
[{{crashed, Error}, _When} | _] = History,
- ErrMsg = couch_replicator_utils:rep_error_to_binary(Error),
- {crashing, ErrMsg};
+ {crashing, crash_reason_json(Error)};
{Pid, ErrorCount} when is_pid(Pid) ->
{running, null}
end,
@@ -1021,7 +1025,11 @@ scheduler_test_() ->
t_oneshot_will_hog_the_scheduler(),
t_if_excess_is_trimmed_rotation_doesnt_happen(),
t_if_transient_job_crashes_it_gets_removed(),
- t_if_permanent_job_crashes_it_stays_in_ets()
+ t_if_permanent_job_crashes_it_stays_in_ets(),
+ t_job_summary_running(),
+ t_job_summary_pending(),
+ t_job_summary_crashing_once(),
+ t_job_summary_crashing_many_times()
]
}.
@@ -1300,6 +1308,72 @@ t_if_permanent_job_crashes_it_stays_in_ets() ->
end).
+t_job_summary_running() ->
+ ?_test(begin
+ Job = #job{
+ id = job1,
+ pid = mock_pid(),
+ history = [added()],
+ rep = #rep{
+ db_name = <<"db1">>,
+ source = <<"s">>,
+ target = <<"t">>
+ }
+ },
+ setup_jobs([Job]),
+ Summary = job_summary(job1, ?DEFAULT_HEALTH_THRESHOLD_SEC),
+ ?assertEqual(running, proplists:get_value(state, Summary)),
+ ?assertEqual(null, proplists:get_value(info, Summary)),
+ ?assertEqual(0, proplists:get_value(error_count, Summary))
+ end).
+
+
+t_job_summary_pending() ->
+ ?_test(begin
+ Job = #job{
+ id = job1,
+ pid = undefined,
+ history = [stopped(20), started(10), added()],
+ rep = #rep{source = <<"s">>, target = <<"t">>}
+ },
+ setup_jobs([Job]),
+ Summary = job_summary(job1, ?DEFAULT_HEALTH_THRESHOLD_SEC),
+ ?assertEqual(pending, proplists:get_value(state, Summary)),
+ ?assertEqual(null, proplists:get_value(info, Summary)),
+ ?assertEqual(0, proplists:get_value(error_count, Summary))
+ end).
+
+
+t_job_summary_crashing_once() ->
+ ?_test(begin
+ Job = #job{
+ id = job1,
+ history = [crashed(?DEFAULT_HEALTH_THRESHOLD_SEC + 1), started(0)],
+ rep = #rep{source = <<"s">>, target = <<"t">>}
+ },
+ setup_jobs([Job]),
+ Summary = job_summary(job1, ?DEFAULT_HEALTH_THRESHOLD_SEC),
+ ?assertEqual(crashing, proplists:get_value(state, Summary)),
+ ?assertEqual(<<"some_reason">>, proplists:get_value(info, Summary)),
+ ?assertEqual(0, proplists:get_value(error_count, Summary))
+ end).
+
+
+t_job_summary_crashing_many_times() ->
+ ?_test(begin
+ Job = #job{
+ id = job1,
+ history = [crashed(4), started(3), crashed(2), started(1)],
+ rep = #rep{source = <<"s">>, target = <<"t">>}
+ },
+ setup_jobs([Job]),
+ Summary = job_summary(job1, ?DEFAULT_HEALTH_THRESHOLD_SEC),
+ ?assertEqual(crashing, proplists:get_value(state, Summary)),
+ ?assertEqual(<<"some_reason">>, proplists:get_value(info, Summary)),
+ ?assertEqual(2, proplists:get_value(error_count, Summary))
+ end).
+
+
% Test helper functions
setup() ->
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