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fix: erlang elixir samples #4177

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merged 6 commits into from Mar 20, 2024
Merged

fix: erlang elixir samples #4177

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5d6482e
fix: erlang & elixir sampler
Graborg Mar 18, 2024
ba9fc85
refactor: leverage intersect_with
Graborg Mar 18, 2024
41d2f32
fix: use macro names
Graborg Mar 18, 2024
8f40bcc
refactor: use is_disjoint
Graborg Mar 20, 2024
0fd646d
style: format
Graborg Mar 20, 2024
7c268a3
Merge branch 'main' into fix-erlang-elixir-samples
cartermp Mar 20, 2024
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24 changes: 12 additions & 12 deletions content/en/docs/languages/erlang/sampling.md
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Expand Up @@ -159,12 +159,12 @@ description(_) ->
<<"AttributeSampler">>.

should_sample(_Ctx, _TraceId, _Links, _SpanName, _SpanKind, Attributes, ConfigAttributes) ->
case maps:intersect(Attributes, ConfigAttributes) of
Map when map_size(Map) > 0 ->
{?DROP, [], []};
_ ->
{?RECORD_AND_SAMPLE, [], []}
end.
ConfAttrPairs = maps:intersect_with(fun (_key, Attr, Conf) -> {Attr, Conf} end, Attributes, ConfigAttributes),
case lists:any(fun({_, {A, B}}) -> A == B end, maps:to_list(ConfAttrPairs)) of
true -> {?DROP, [], []};
_ -> {?RECORD_AND_SAMPLE, [], []}
end
end.
```

{{% /tab %}} {{% tab Elixir %}}
Expand All @@ -184,12 +184,12 @@ defmodule AttributesSampler do
end

def should_sample(_ctx, _trace_id, _links, _span_name, _span_kind, attributes, config_attributes) do
case :maps.intersect(attributes, config_attributes) do
map when map_size(map) > 0 ->
{:drop, [], []}
_ ->
{:record_and_sample, [], []}
end
attr_match =
Map.intersect(attributes, config_attributes, fn _key, attr, conf -> {attr, conf} end)
|> Map.to_list()
|> Enum.any?(fn {_, {attr, conf}} -> attr == conf end)

if attr_match, do: {:drop, [], []}, else: {:record_and_sample, [], []}
end
end
```
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