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add grpcbox instrumentation library (#70) 

* add grpcbox instrumentation library

* grpcbox: fix .app file license and deps

* lock grpcbox
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Tristan Sloughter 2022-03-27 11:42:36 -06:00 committed by GitHub
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instrumentation/opentelemetry_grpcbox/.gitignore vendored Normal file
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.rebar3
_*
.eunit
*.o
*.beam
*.plt
*.swp
*.swo
.erlang.cookie
ebin
log
erl_crash.dump
.rebar
logs
_build
.idea
*.iml
rebar3.crashdump
*~

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5. Submission of Contributions. Unless You explicitly state otherwise,
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8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
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has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
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END OF TERMS AND CONDITIONS
Copyright 2022, Tristan Sloughter <t@crashfast.com>.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
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Unless required by applicable law or agreed to in writing, software
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See the License for the specific language governing permissions and
limitations under the License.

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instrumentation/opentelemetry_grpcbox/README.md Normal file
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opentelemetry_grpcbox
=====
This [grpcbox](https://github.com/tsloughter/grpcbox) interceptor uses the
[OpenTelemetry](http://opentelemetry.io/) API to create Spans for outgoing and
incoming requests and propagates them as part of the gRPC metadata.
### Server
Configure as an interceptor:
```erlang
#{service_protos => [route_guide_pb],
unary_interceptor => {otel_grpcbox_interceptor, unary}}
```
Or as a middleware in the chain interceptor:
```erlang
#{service_protos => [route_guide_pb],
unary_interceptor =>
grpcbox_chain_interceptor:unary([...,
fun otel_grpcbox_interceptor:unary/4,
...])}
```
### Client
Example in `sys.config` for setting up a [client
channel](https://grpc.io/docs/what-is-grpc/core-concepts/#channels):
``` erlang
{client, #{channels => [{default_channel, [{http, "localhost", 8080, []}],
#{unary_interceptor => fun otel_grpcbox_interceptor:unary_client/7}}]}}
```

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{erl_opts, [debug_info]}.
{deps, [grpcbox,
{opentelemetry_api, "~> 1.0"}]}.
{project_plugins, [{rebar_covertool, "1.1.0"},
{grpcbox_plugin, "~> 0.7.0"}]}.
{profiles,
[{test, [{erl_opts, [nowarn_export_all]},
{grpc, [{protos, "test/otel_interceptor_SUITE_data"},
{out_dir, "test"},
{gpb_opts, [{o, "test"},
{descriptor, true},
{module_name_suffix, "_pb"}]}]},
{deps, [{opentelemetry, "~> 1.0"},
jsx]}]}]}.
{cover_enabled, true}.
{cover_opts, [verbose]}.
{cover_export_enabled, true}.
{covertool, [{coverdata_files, ["ct.coverdata"]}]}.
{ct_opts, [{ct_hooks, [cth_surefire]}]}.

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instrumentation/opentelemetry_grpcbox/rebar.lock Normal file
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{"1.2.0",
[{<<"acceptor_pool">>,{pkg,<<"acceptor_pool">>,<<"1.0.0">>},1},
{<<"chatterbox">>,{pkg,<<"ts_chatterbox">>,<<"0.11.0">>},1},
{<<"ctx">>,{pkg,<<"ctx">>,<<"0.6.0">>},1},
{<<"gproc">>,{pkg,<<"gproc">>,<<"0.8.0">>},1},
{<<"grpcbox">>,{pkg,<<"grpcbox">>,<<"0.14.0">>},0},
{<<"hpack">>,{pkg,<<"hpack_erl">>,<<"0.2.3">>},2},
{<<"opentelemetry_api">>,{pkg,<<"opentelemetry_api">>,<<"1.0.2">>},0}]}.
[
{pkg_hash,[
{<<"acceptor_pool">>, <<"43C20D2ACAE35F0C2BCD64F9D2BDE267E459F0F3FD23DAB26485BF518C281B21">>},
{<<"chatterbox">>, <<"B8F372C706023EB0DE5BF2976764EDB27C70FE67052C88C1F6A66B3A5626847F">>},
{<<"ctx">>, <<"8FF88B70E6400C4DF90142E7F130625B82086077A45364A78D208ED3ED53C7FE">>},
{<<"gproc">>, <<"CEA02C578589C61E5341FCE149EA36CCEF236CC2ECAC8691FBA408E7EA77EC2F">>},
{<<"grpcbox">>, <<"3EB321BCD2275BAF8B54CF381FEB7B0559A50C02544DE28FDA039C7F2F9D1A7A">>},
{<<"hpack">>, <<"17670F83FF984AE6CD74B1C456EDDE906D27FF013740EE4D9EFAA4F1BF999633">>},
{<<"opentelemetry_api">>, <<"91353EE40583B1D4F07D7B13ED62642ABFEC6AAA0D8A2114F07EDAFB2DF781C5">>}]},
{pkg_hash_ext,[
{<<"acceptor_pool">>, <<"0CBCD83FDC8B9AD2EEE2067EF8B91A14858A5883CB7CD800E6FCD5803E158788">>},
{<<"chatterbox">>, <<"722FE2BAD52913AB7E87D849FC6370375F0C961FFB2F0B5E6D647C9170C382A6">>},
{<<"ctx">>, <<"A14ED2D1B67723DBEBBE423B28D7615EB0BDCBA6FF28F2D1F1B0A7E1D4AA5FC2">>},
{<<"gproc">>, <<"580ADAFA56463B75263EF5A5DF4C86AF321F68694E7786CB057FD805D1E2A7DE">>},
{<<"grpcbox">>, <<"E24159B7B6D3F9869BBE528845C0125FED2259366BA908FD04A1F45FE81D0660">>},
{<<"hpack">>, <<"06F580167C4B8B8A6429040DF36CC93BBA6D571FAEAEC1B28816523379CBB23A">>},
{<<"opentelemetry_api">>, <<"2A8247F85C44216B883900067478D59955D11E58E5CFCA7C884CD4F203ACE3AC">>}]}
].

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instrumentation/opentelemetry_grpcbox/src/opentelemetry_grpcbox.app.src Normal file
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{application, opentelemetry_grpcbox,
[{description, "grpcbox interceptor for OpenTelemetry instrumentation"},
{vsn, "0.1.0"},
{registered, []},
{applications,
[kernel,
stdlib,
opentelemetry_api,
grpcbox
]},
{env,[]},
{modules, []},
{licenses, ["Apache-2.0"]},
{links, [{"GitHub", "https://github.com/open-telemetry/opentelemetry-erlang-contrib/tree/main/instrumentation/opentelemetry_grpcbox"}]}
]}.

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%%%------------------------------------------------------------------------
%% Copyright 2022, Tristan Sloughter
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% @doc grpcbox interceptor for tracing grpc client and server requests.
%% @end
%%%-------------------------------------------------------------------------
-module(otel_grpcbox_interceptor).
-export([%% server side
unary/4,
stream/4,
%% unary client interceptor
unary_client/7,
%% client streaminig interceptors
new_stream/6,
send_msg/3,
recv_msg/3]).
-include_lib("opentelemetry_api/include/otel_tracer.hrl").
unary_client(Ctx, _Channel, Handler, FullMethod, Input, _Def, _Options) ->
Metadata = otel_propagator_text_map:inject(opentelemetry:get_text_map_injector(),
#{},
fun set_metadata/3),
Ctx1 = grpcbox_metadata:append_to_outgoing_ctx(Ctx, Metadata),
?with_span(FullMethod, #{}, fun(_) ->
Handler(Ctx1, Input)
end).
new_stream(Ctx, Channel, Path, Def, Streamer, Options) ->
{ok, S} = Streamer(Ctx, Channel, Path, Def, Options),
{ok, #{client_stream => S}}.
send_msg(#{client_stream := ClientStream}, Streamer, Input) ->
Streamer(ClientStream, Input).
recv_msg(#{client_stream := ClientStream}, Streamer, Input) ->
Streamer(ClientStream, Input).
unary(Ctx, Message, _ServerInfo=#{full_method := FullMethod}, Handler) ->
otel_ctx_from_ctx(Ctx),
?with_span(FullMethod, #{}, fun(_) ->
Handler(Ctx, Message)
end).
stream(Ref, Stream, _ServerInfo=#{full_method := FullMethod}, Handler) ->
Ctx = grpcbox_stream:ctx(Stream),
otel_ctx_from_ctx(Ctx),
?with_span(FullMethod, #{}, fun(_) ->
Handler(Ref, Stream)
end).
%%
otel_ctx_from_ctx(Ctx) ->
Metadata = grpcbox_metadata:from_incoming_ctx(Ctx),
otel_propagator_text_map:extract(opentelemetry:get_text_map_extractor(),
Metadata,
fun maps:keys/1,
fun get_metadata/2).
get_metadata(Key, Metadata) ->
maps:get(Key, Metadata, undefined).
set_metadata(Key, Value, Metadata) ->
Metadata#{Key => Value}.

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-module(otel_interceptor_SUITE).
-compile(export_all).
-include_lib("common_test/include/ct.hrl").
-include_lib("stdlib/include/assert.hrl").
-include_lib("opentelemetry_api/include/otel_tracer.hrl").
all() ->
[trace_interceptor].
init_per_suite(Config) ->
application:load(grpcbox),
application:load(opentelemetry),
Config.
end_per_suite(_Config) ->
ok.
init_per_testcase(trace_interceptor, Config) ->
application:set_env(opentelemetry, processors, [{otel_batch_processor, #{exporter => undefined}}]),
application:set_env(grpcbox, client,
#{channels => [{default_channel,
[{http, "localhost", 8080, []}],
#{unary_interceptor => fun otel_grpcbox_interceptor:unary_client/7}}]}),
application:ensure_all_started(opentelemetry),
application:set_env(grpcbox, servers,
[#{grpc_opts =>
#{service_protos => [route_guide_pb],
services => #{'routeguide.RouteGuide' => routeguide_route_guide},
unary_interceptor =>
grpcbox_chain_interceptor:unary([fun otel_grpcbox_interceptor:unary/4,
fun ?MODULE:trace_to_trailer/4])}}]),
application:ensure_all_started(grpcbox),
Config.
%% include a trace context and test that it works by having a second interceptor add
%% the trace id from the context as a response trailer.
trace_interceptor(_Config) ->
Point = #{latitude => 409146138, longitude => -746188906},
?with_span(<<"grpc-client-call">>, #{},
fun(_) ->
{_, _Feature, #{trailers := Trailers}} =
routeguide_route_guide_client:get_feature(Point),
SpanCtx = ?current_span_ctx,
BinTraceId = integer_to_binary(otel_span:trace_id(SpanCtx)),
?assertEqual(BinTraceId, maps:get(<<"x-grpc-trace-id">>, Trailers))
end),
ok.
%%
trace_to_trailer(Ctx, Message, _ServerInfo, Handler) ->
SpanCtx = ?current_span_ctx,
BinTraceId = integer_to_binary(otel_span:trace_id(SpanCtx)),
Trailer = grpcbox_metadata:pairs([{<<"x-grpc-trace-id">>, BinTraceId}]),
Ctx1 = grpcbox_stream:add_trailers(Ctx, Trailer),
Handler(Ctx1, Message).

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// Copyright 2015 gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
syntax = "proto3";
option java_multiple_files = true;
option java_package = "io.grpc.examples.routeguide";
option java_outer_classname = "RouteGuideProto";
package routeguide;
// Interface exported by the server.
service RouteGuide {
// A simple RPC.
//
// Obtains the feature at a given position.
//
// A feature with an empty name is returned if there's no feature at the given
// position.
rpc GetFeature(Point) returns (Feature) {}
// A server-to-client streaming RPC.
//
// Obtains the Features available within the given Rectangle. Results are
// streamed rather than returned at once (e.g. in a response message with a
// repeated field), as the rectangle may cover a large area and contain a
// huge number of features.
rpc ListFeatures(Rectangle) returns (stream Feature) {}
// A client-to-server streaming RPC.
//
// Accepts a stream of Points on a route being traversed, returning a
// RouteSummary when traversal is completed.
rpc RecordRoute(stream Point) returns (RouteSummary) {}
// A Bidirectional streaming RPC.
//
// Accepts a stream of RouteNotes sent while a route is being traversed,
// while receiving other RouteNotes (e.g. from other users).
rpc RouteChat(stream RouteNote) returns (stream RouteNote) {}
// A simple RPC, which always generates error response.
rpc GenerateError(Empty) returns (Empty) {}
// A simple RPC, which always generates error response.
rpc StreamingGenerateError(Empty) returns (stream Empty) {}
}
// Empty message - use for RPCs without input or output.
message Empty {
}
// Points are represented as latitude-longitude pairs in the E7 representation
// (degrees multiplied by 10**7 and rounded to the nearest integer).
// Latitudes should be in the range +/- 90 degrees and longitude should be in
// the range +/- 180 degrees (inclusive).
message Point {
int32 latitude = 1;
int32 longitude = 2;
}
// A latitude-longitude rectangle, represented as two diagonally opposite
// points "lo" and "hi".
message Rectangle {
// One corner of the rectangle.
Point lo = 1;
// The other corner of the rectangle.
Point hi = 2;
}
// A feature names something at a given point.
//
// If a feature could not be named, the name is empty.
message Feature {
// The name of the feature.
string name = 1;
// The point where the feature is detected.
Point location = 2;
}
// A RouteNote is a message sent while at a given point.
message RouteNote {
// The location from which the message is sent.
Point location = 1;
// The message to be sent.
string message = 2;
}
// A RouteSummary is received in response to a RecordRoute rpc.
//
// It contains the number of individual points received, the number of
// detected features, and the total distance covered as the cumulative sum of
// the distance between each point.
message RouteSummary {
// The number of points received.
int32 point_count = 1;
// The number of known features passed while traversing the route.
int32 feature_count = 2;
// The distance covered in metres.
int32 distance = 3;
// The duration of the traversal in seconds.
int32 elapsed_time = 4;
}

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[{
"location": {
"latitude": 407838351,
"longitude": -746143763
},
"name": "Patriots Path, Mendham, NJ 07945, USA"
}, {
"location": {
"latitude": 408122808,
"longitude": -743999179
},
"name": "101 New Jersey 10, Whippany, NJ 07981, USA"
}, {
"location": {
"latitude": 413628156,
"longitude": -749015468
},
"name": "U.S. 6, Shohola, PA 18458, USA"
}, {
"location": {
"latitude": 419999544,
"longitude": -740371136
},
"name": "5 Conners Road, Kingston, NY 12401, USA"
}, {
"location": {
"latitude": 414008389,
"longitude": -743951297
},
"name": "Mid Hudson Psychiatric Center, New Hampton, NY 10958, USA"
}, {
"location": {
"latitude": 419611318,
"longitude": -746524769
},
"name": "287 Flugertown Road, Livingston Manor, NY 12758, USA"
}, {
"location": {
"latitude": 406109563,
"longitude": -742186778
},
"name": "4001 Tremley Point Road, Linden, NJ 07036, USA"
}, {
"location": {
"latitude": 416802456,
"longitude": -742370183
},
"name": "352 South Mountain Road, Wallkill, NY 12589, USA"
}, {
"location": {
"latitude": 412950425,
"longitude": -741077389
},
"name": "Bailey Turn Road, Harriman, NY 10926, USA"
}, {
"location": {
"latitude": 412144655,
"longitude": -743949739
},
"name": "193-199 Wawayanda Road, Hewitt, NJ 07421, USA"
}, {
"location": {
"latitude": 415736605,
"longitude": -742847522
},
"name": "406-496 Ward Avenue, Pine Bush, NY 12566, USA"
}, {
"location": {
"latitude": 413843930,
"longitude": -740501726
},
"name": "162 Merrill Road, Highland Mills, NY 10930, USA"
}, {
"location": {
"latitude": 410873075,
"longitude": -744459023
},
"name": "Clinton Road, West Milford, NJ 07480, USA"
}, {
"location": {
"latitude": 412346009,
"longitude": -744026814
},
"name": "16 Old Brook Lane, Warwick, NY 10990, USA"
}, {
"location": {
"latitude": 402948455,
"longitude": -747903913
},
"name": "3 Drake Lane, Pennington, NJ 08534, USA"
}, {
"location": {
"latitude": 406337092,
"longitude": -740122226
},
"name": "6324 8th Avenue, Brooklyn, NY 11220, USA"
}, {
"location": {
"latitude": 406421967,
"longitude": -747727624
},
"name": "1 Merck Access Road, Whitehouse Station, NJ 08889, USA"
}, {
"location": {
"latitude": 416318082,
"longitude": -749677716
},
"name": "78-98 Schalck Road, Narrowsburg, NY 12764, USA"
}, {
"location": {
"latitude": 415301720,
"longitude": -748416257
},
"name": "282 Lakeview Drive Road, Highland Lake, NY 12743, USA"
}, {
"location": {
"latitude": 402647019,
"longitude": -747071791
},
"name": "330 Evelyn Avenue, Hamilton Township, NJ 08619, USA"
}, {
"location": {
"latitude": 412567807,
"longitude": -741058078
},
"name": "New York State Reference Route 987E, Southfields, NY 10975, USA"
}, {
"location": {
"latitude": 416855156,
"longitude": -744420597
},
"name": "103-271 Tempaloni Road, Ellenville, NY 12428, USA"
}, {
"location": {
"latitude": 404663628,
"longitude": -744820157
},
"name": "1300 Airport Road, North Brunswick Township, NJ 08902, USA"
}, {
"location": {
"latitude": 407113723,
"longitude": -749746483
},
"name": ""
}, {
"location": {
"latitude": 402133926,
"longitude": -743613249
},
"name": ""
}, {
"location": {
"latitude": 400273442,
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},
"name": ""
}, {
"location": {
"latitude": 411236786,
"longitude": -744070769
},
"name": ""
}, {
"location": {
"latitude": 411633782,
"longitude": -746784970
},
"name": "211-225 Plains Road, Augusta, NJ 07822, USA"
}, {
"location": {
"latitude": 415830701,
"longitude": -742952812
},
"name": ""
}, {
"location": {
"latitude": 413447164,
"longitude": -748712898
},
"name": "165 Pedersen Ridge Road, Milford, PA 18337, USA"
}, {
"location": {
"latitude": 405047245,
"longitude": -749800722
},
"name": "100-122 Locktown Road, Frenchtown, NJ 08825, USA"
}, {
"location": {
"latitude": 418858923,
"longitude": -746156790
},
"name": ""
}, {
"location": {
"latitude": 417951888,
"longitude": -748484944
},
"name": "650-652 Willi Hill Road, Swan Lake, NY 12783, USA"
}, {
"location": {
"latitude": 407033786,
"longitude": -743977337
},
"name": "26 East 3rd Street, New Providence, NJ 07974, USA"
}, {
"location": {
"latitude": 417548014,
"longitude": -740075041
},
"name": ""
}, {
"location": {
"latitude": 410395868,
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},
"name": ""
}, {
"location": {
"latitude": 404615353,
"longitude": -745129803
},
"name": ""
}, {
"location": {
"latitude": 406589790,
"longitude": -743560121
},
"name": "611 Lawrence Avenue, Westfield, NJ 07090, USA"
}, {
"location": {
"latitude": 414653148,
"longitude": -740477477
},
"name": "18 Lannis Avenue, New Windsor, NY 12553, USA"
}, {
"location": {
"latitude": 405957808,
"longitude": -743255336
},
"name": "82-104 Amherst Avenue, Colonia, NJ 07067, USA"
}, {
"location": {
"latitude": 411733589,
"longitude": -741648093
},
"name": "170 Seven Lakes Drive, Sloatsburg, NY 10974, USA"
}, {
"location": {
"latitude": 412676291,
"longitude": -742606606
},
"name": "1270 Lakes Road, Monroe, NY 10950, USA"
}, {
"location": {
"latitude": 409224445,
"longitude": -748286738
},
"name": "509-535 Alphano Road, Great Meadows, NJ 07838, USA"
}, {
"location": {
"latitude": 406523420,
"longitude": -742135517
},
"name": "652 Garden Street, Elizabeth, NJ 07202, USA"
}, {
"location": {
"latitude": 401827388,
"longitude": -740294537
},
"name": "349 Sea Spray Court, Neptune City, NJ 07753, USA"
}, {
"location": {
"latitude": 410564152,
"longitude": -743685054
},
"name": "13-17 Stanley Street, West Milford, NJ 07480, USA"
}, {
"location": {
"latitude": 408472324,
"longitude": -740726046
},
"name": "47 Industrial Avenue, Teterboro, NJ 07608, USA"
}, {
"location": {
"latitude": 412452168,
"longitude": -740214052
},
"name": "5 White Oak Lane, Stony Point, NY 10980, USA"
}, {
"location": {
"latitude": 409146138,
"longitude": -746188906
},
"name": "Berkshire Valley Management Area Trail, Jefferson, NJ, USA"
}, {
"location": {
"latitude": 404701380,
"longitude": -744781745
},
"name": "1007 Jersey Avenue, New Brunswick, NJ 08901, USA"
}, {
"location": {
"latitude": 409642566,
"longitude": -746017679
},
"name": "6 East Emerald Isle Drive, Lake Hopatcong, NJ 07849, USA"
}, {
"location": {
"latitude": 408031728,
"longitude": -748645385
},
"name": "1358-1474 New Jersey 57, Port Murray, NJ 07865, USA"
}, {
"location": {
"latitude": 413700272,
"longitude": -742135189
},
"name": "367 Prospect Road, Chester, NY 10918, USA"
}, {
"location": {
"latitude": 404310607,
"longitude": -740282632
},
"name": "10 Simon Lake Drive, Atlantic Highlands, NJ 07716, USA"
}, {
"location": {
"latitude": 409319800,
"longitude": -746201391
},
"name": "11 Ward Street, Mount Arlington, NJ 07856, USA"
}, {
"location": {
"latitude": 406685311,
"longitude": -742108603
},
"name": "300-398 Jefferson Avenue, Elizabeth, NJ 07201, USA"
}, {
"location": {
"latitude": 419018117,
"longitude": -749142781
},
"name": "43 Dreher Road, Roscoe, NY 12776, USA"
}, {
"location": {
"latitude": 412856162,
"longitude": -745148837
},
"name": "Swan Street, Pine Island, NY 10969, USA"
}, {
"location": {
"latitude": 416560744,
"longitude": -746721964
},
"name": "66 Pleasantview Avenue, Monticello, NY 12701, USA"
}, {
"location": {
"latitude": 405314270,
"longitude": -749836354
},
"name": ""
}, {
"location": {
"latitude": 414219548,
"longitude": -743327440
},
"name": ""
}, {
"location": {
"latitude": 415534177,
"longitude": -742900616
},
"name": "565 Winding Hills Road, Montgomery, NY 12549, USA"
}, {
"location": {
"latitude": 406898530,
"longitude": -749127080
},
"name": "231 Rocky Run Road, Glen Gardner, NJ 08826, USA"
}, {
"location": {
"latitude": 407586880,
"longitude": -741670168
},
"name": "100 Mount Pleasant Avenue, Newark, NJ 07104, USA"
}, {
"location": {
"latitude": 400106455,
"longitude": -742870190
},
"name": "517-521 Huntington Drive, Manchester Township, NJ 08759, USA"
}, {
"location": {
"latitude": 400066188,
"longitude": -746793294
},
"name": ""
}, {
"location": {
"latitude": 418803880,
"longitude": -744102673
},
"name": "40 Mountain Road, Napanoch, NY 12458, USA"
}, {
"location": {
"latitude": 414204288,
"longitude": -747895140
},
"name": ""
}, {
"location": {
"latitude": 414777405,
"longitude": -740615601
},
"name": ""
}, {
"location": {
"latitude": 415464475,
"longitude": -747175374
},
"name": "48 North Road, Forestburgh, NY 12777, USA"
}, {
"location": {
"latitude": 404062378,
"longitude": -746376177
},
"name": ""
}, {
"location": {
"latitude": 405688272,
"longitude": -749285130
},
"name": ""
}, {
"location": {
"latitude": 400342070,
"longitude": -748788996
},
"name": ""
}, {
"location": {
"latitude": 401809022,
"longitude": -744157964
},
"name": ""
}, {
"location": {
"latitude": 404226644,
"longitude": -740517141
},
"name": "9 Thompson Avenue, Leonardo, NJ 07737, USA"
}, {
"location": {
"latitude": 410322033,
"longitude": -747871659
},
"name": ""
}, {
"location": {
"latitude": 407100674,
"longitude": -747742727
},
"name": ""
}, {
"location": {
"latitude": 418811433,
"longitude": -741718005
},
"name": "213 Bush Road, Stone Ridge, NY 12484, USA"
}, {
"location": {
"latitude": 415034302,
"longitude": -743850945
},
"name": ""
}, {
"location": {
"latitude": 411349992,
"longitude": -743694161
},
"name": ""
}, {
"location": {
"latitude": 404839914,
"longitude": -744759616
},
"name": "1-17 Bergen Court, New Brunswick, NJ 08901, USA"
}, {
"location": {
"latitude": 414638017,
"longitude": -745957854
},
"name": "35 Oakland Valley Road, Cuddebackville, NY 12729, USA"
}, {
"location": {
"latitude": 412127800,
"longitude": -740173578
},
"name": ""
}, {
"location": {
"latitude": 401263460,
"longitude": -747964303
},
"name": ""
}, {
"location": {
"latitude": 412843391,
"longitude": -749086026
},
"name": ""
}, {
"location": {
"latitude": 418512773,
"longitude": -743067823
},
"name": ""
}, {
"location": {
"latitude": 404318328,
"longitude": -740835638
},
"name": "42-102 Main Street, Belford, NJ 07718, USA"
}, {
"location": {
"latitude": 419020746,
"longitude": -741172328
},
"name": ""
}, {
"location": {
"latitude": 404080723,
"longitude": -746119569
},
"name": ""
}, {
"location": {
"latitude": 401012643,
"longitude": -744035134
},
"name": ""
}, {
"location": {
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"longitude": -741079661
},
"name": ""
}, {
"location": {
"latitude": 403966326,
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},
"name": ""
}, {
"location": {
"latitude": 405002031,
"longitude": -748407866
},
"name": ""
}, {
"location": {
"latitude": 409532885,
"longitude": -742200683
},
"name": ""
}, {
"location": {
"latitude": 416851321,
"longitude": -742674555
},
"name": ""
}, {
"location": {
"latitude": 406411633,
"longitude": -741722051
},
"name": "3387 Richmond Terrace, Staten Island, NY 10303, USA"
}, {
"location": {
"latitude": 413069058,
"longitude": -744597778
},
"name": "261 Van Sickle Road, Goshen, NY 10924, USA"
}, {
"location": {
"latitude": 418465462,
"longitude": -746859398
},
"name": ""
}, {
"location": {
"latitude": 411733222,
"longitude": -744228360
},
"name": ""
}, {
"location": {
"latitude": 410248224,
"longitude": -747127767
},
"name": "3 Hasta Way, Newton, NJ 07860, USA"
}]

2728
instrumentation/opentelemetry_grpcbox/test/route_guide_pb.erl Normal file
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129
instrumentation/opentelemetry_grpcbox/test/routeguide_route_guide.erl Normal file
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-module(routeguide_route_guide).
-include_lib("grpcbox/include/grpcbox.hrl").
-export([get_feature/2,
list_features/2,
record_route/2,
route_chat/2,
generate_error/2,
streaming_generate_error/2]).
-type route_summary() ::
#{point_count => integer(),
feature_count => integer(),
distance => integer(),
elapsed_time => integer()}.
-type point() ::
#{latitude => integer(),
longitude => integer()}.
-type rectangle() ::
#{lo => point(),
hi => point()}.
-type route_note() ::
#{location => point(),
message => string()}.
-type feature() ::
#{name => string(),
location => point()}.
-spec get_feature(Ctx :: ctx:ctx(), Message :: point()) -> {ok, feature(), ctx:ctx()}.
get_feature(Ctx, Message) ->
Feature = #{name => find_point(Message, data()),
location => Message},
{ok, Feature, Ctx}.
-spec list_features(Message::rectangle(), GrpcStream :: grpcbox_stream:t()) -> ok.
list_features(_Message, GrpcStream) ->
grpcbox_stream:add_headers([{<<"info">>, <<"this is a test-implementation">>}], GrpcStream),
grpcbox_stream:send(#{name => <<"Tour Eiffel">>,
location => #{latitude => 3,
longitude => 5}}, GrpcStream),
grpcbox_stream:send(#{name => <<"Louvre">>,
location => #{latitude => 4,
longitude => 5}}, GrpcStream),
grpcbox_stream:add_trailers([{<<"nr_of_points_sent">>, <<"2">>}], GrpcStream),
ok.
-spec record_route(reference(), GrpcStream :: grpcbox_stream:t()) -> {ok, route_summary(), grpcbox_stream:t()}.
record_route(Ref, GrpcStream) ->
record_route(Ref, #{t_start => erlang:system_time(1),
acc => []}, GrpcStream).
record_route(Ref, Data=#{t_start := T0, acc := Points}, GrpcStream) ->
receive
{Ref, eos} ->
%% receiving 'eos' tells us that we need to return a result.
{ok, #{elapsed_time => erlang:system_time(1) - T0,
point_count => length(Points),
feature_count => count_features(Points),
distance => distance(Points)}, GrpcStream};
{Ref, Point} ->
record_route(Ref, Data#{acc => [Point | Points]}, GrpcStream)
end.
-spec route_chat(reference(), GrpcStream :: grpcbox_stream:t()) -> ok.
route_chat(Ref, GrpcStream) ->
route_chat(Ref, [], GrpcStream).
route_chat(Ref, Data, GrpcStream) ->
receive
{Ref, eos} ->
ok;
{Ref, #{location := Location} = P} ->
Messages = proplists:get_all_values(Location, Data),
[grpcbox_stream:send(Message, GrpcStream) || Message <- Messages],
route_chat(Ref, [{Location, P} | Data], GrpcStream)
end.
-spec generate_error(Ctx :: ctx:ctx(), Message :: map()) -> grpcbox_stream:grpc_extended_error_response().
generate_error(_Ctx, _Message) ->
{
grpc_extended_error, #{
status => ?GRPC_STATUS_INTERNAL,
message => <<"error_message">>,
trailers => #{
<<"generate_error_trailer">> => <<"error_trailer">>
}
}
}.
-spec streaming_generate_error(Message :: map(), GrpcStream :: grpcbox_stream:t()) -> no_return().
streaming_generate_error(_Message, _GrpcStream) ->
exit(
{
grpc_extended_error, #{
status => ?GRPC_STATUS_INTERNAL,
message => <<"error_message">>,
trailers => #{
<<"generate_error_trailer">> => <<"error_trailer">>
}
}
}
).
%% Supporting functions
data() ->
case file:read_file("test/otel_interceptor_SUITE_data/route_guide_db.json") of
{ok, Json} ->
jsx:decode(Json, [return_maps, {labels, atom}]);
{error, enoent} ->
{ok, Json} = file:read_file("../../../../test/otel_interceptor_SUITE_data/route_guide_db.json"),
jsx:decode(Json, [return_maps, {labels, atom}])
end.
find_point(_Location, []) ->
"";
find_point(Location, [#{location := Location, name := Name} | _]) ->
Name;
find_point(Location, [_ | T]) ->
find_point(Location, T).
count_features(_) -> 42.
distance(_) -> 42.

33
instrumentation/opentelemetry_grpcbox/test/routeguide_route_guide_bhvr.erl Normal file
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@ -0,0 +1,33 @@
%%%-------------------------------------------------------------------
%% @doc Behaviour to implement for grpc service routeguide.RouteGuide.
%% @end
%%%-------------------------------------------------------------------
%% this module was generated on 2022-03-16T12:32:26+00:00 and should not be modified manually
-module(routeguide_route_guide_bhvr).
%% @doc Unary RPC
-callback get_feature(ctx:ctx(), route_guide_pb:point()) ->
{ok, route_guide_pb:feature(), ctx:ctx()} | grpcbox_stream:grpc_error_response().
%% @doc
-callback list_features(route_guide_pb:rectangle(), grpcbox_stream:t()) ->
ok | grpcbox_stream:grpc_error_response().
%% @doc
-callback record_route(reference(), grpcbox_stream:t()) ->
{ok, route_guide_pb:route_summary(), ctx:ctx()} | grpcbox_stream:grpc_error_response().
%% @doc
-callback route_chat(reference(), grpcbox_stream:t()) ->
ok | grpcbox_stream:grpc_error_response().
%% @doc Unary RPC
-callback generate_error(ctx:ctx(), route_guide_pb:empty()) ->
{ok, route_guide_pb:empty(), ctx:ctx()} | grpcbox_stream:grpc_error_response().
%% @doc
-callback streaming_generate_error(route_guide_pb:empty(), grpcbox_stream:t()) ->
ok | grpcbox_stream:grpc_error_response().

133
instrumentation/opentelemetry_grpcbox/test/routeguide_route_guide_client.erl Normal file
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%%%-------------------------------------------------------------------
%% @doc Client module for grpc service routeguide.RouteGuide.
%% @end
%%%-------------------------------------------------------------------
%% this module was generated on 2022-03-16T12:32:26+00:00 and should not be modified manually
-module(routeguide_route_guide_client).
-compile(export_all).
-compile(nowarn_export_all).
-include_lib("grpcbox/include/grpcbox.hrl").
-define(is_ctx(Ctx), is_tuple(Ctx) andalso element(1, Ctx) =:= ctx).
-define(SERVICE, 'routeguide.RouteGuide').
-define(PROTO_MODULE, 'route_guide_pb').
-define(MARSHAL_FUN(T), fun(I) -> ?PROTO_MODULE:encode_msg(I, T) end).
-define(UNMARSHAL_FUN(T), fun(I) -> ?PROTO_MODULE:decode_msg(I, T) end).
-define(DEF(Input, Output, MessageType), #grpcbox_def{service=?SERVICE,
message_type=MessageType,
marshal_fun=?MARSHAL_FUN(Input),
unmarshal_fun=?UNMARSHAL_FUN(Output)}).
%% @doc Unary RPC
-spec get_feature(route_guide_pb:point()) ->
{ok, route_guide_pb:feature(), grpcbox:metadata()} | grpcbox_stream:grpc_error_response().
get_feature(Input) ->
get_feature(ctx:new(), Input, #{}).
-spec get_feature(ctx:t() | route_guide_pb:point(), route_guide_pb:point() | grpcbox_client:options()) ->
{ok, route_guide_pb:feature(), grpcbox:metadata()} | grpcbox_stream:grpc_error_response().
get_feature(Ctx, Input) when ?is_ctx(Ctx) ->
get_feature(Ctx, Input, #{});
get_feature(Input, Options) ->
get_feature(ctx:new(), Input, Options).
-spec get_feature(ctx:t(), route_guide_pb:point(), grpcbox_client:options()) ->
{ok, route_guide_pb:feature(), grpcbox:metadata()} | grpcbox_stream:grpc_error_response().
get_feature(Ctx, Input, Options) ->
grpcbox_client:unary(Ctx, <<"/routeguide.RouteGuide/GetFeature">>, Input, ?DEF(point, feature, <<"routeguide.Point">>), Options).
%% @doc
-spec list_features(route_guide_pb:rectangle()) ->
{ok, grpcbox_client:stream()} | grpcbox_stream:grpc_error_response().
list_features(Input) ->
list_features(ctx:new(), Input, #{}).
-spec list_features(ctx:t() | route_guide_pb:rectangle(), route_guide_pb:rectangle() | grpcbox_client:options()) ->
{ok, grpcbox_client:stream()} | grpcbox_stream:grpc_error_response().
list_features(Ctx, Input) when ?is_ctx(Ctx) ->
list_features(Ctx, Input, #{});
list_features(Input, Options) ->
list_features(ctx:new(), Input, Options).
-spec list_features(ctx:t(), route_guide_pb:rectangle(), grpcbox_client:options()) ->
{ok, grpcbox_client:stream()} | grpcbox_stream:grpc_error_response().
list_features(Ctx, Input, Options) ->
grpcbox_client:stream(Ctx, <<"/routeguide.RouteGuide/ListFeatures">>, Input, ?DEF(rectangle, feature, <<"routeguide.Rectangle">>), Options).
%% @doc
-spec record_route() ->
{ok, grpcbox_client:stream()} | grpcbox_stream:grpc_error_response().
record_route() ->
record_route(ctx:new(), #{}).
-spec record_route(ctx:t() | grpcbox_client:options()) ->
{ok, grpcbox_client:stream()} | grpcbox_stream:grpc_error_response().
record_route(Ctx) when ?is_ctx(Ctx) ->
record_route(Ctx, #{});
record_route(Options) ->
record_route(ctx:new(), Options).
-spec record_route(ctx:t(), grpcbox_client:options()) ->
{ok, grpcbox_client:stream()} | grpcbox_stream:grpc_error_response().
record_route(Ctx, Options) ->
grpcbox_client:stream(Ctx, <<"/routeguide.RouteGuide/RecordRoute">>, ?DEF(point, route_summary, <<"routeguide.Point">>), Options).
%% @doc
-spec route_chat() ->
{ok, grpcbox_client:stream()} | grpcbox_stream:grpc_error_response().
route_chat() ->
route_chat(ctx:new(), #{}).
-spec route_chat(ctx:t() | grpcbox_client:options()) ->
{ok, grpcbox_client:stream()} | grpcbox_stream:grpc_error_response().
route_chat(Ctx) when ?is_ctx(Ctx) ->
route_chat(Ctx, #{});
route_chat(Options) ->
route_chat(ctx:new(), Options).
-spec route_chat(ctx:t(), grpcbox_client:options()) ->
{ok, grpcbox_client:stream()} | grpcbox_stream:grpc_error_response().
route_chat(Ctx, Options) ->
grpcbox_client:stream(Ctx, <<"/routeguide.RouteGuide/RouteChat">>, ?DEF(route_note, route_note, <<"routeguide.RouteNote">>), Options).
%% @doc Unary RPC
-spec generate_error(route_guide_pb:empty()) ->
{ok, route_guide_pb:empty(), grpcbox:metadata()} | grpcbox_stream:grpc_error_response().
generate_error(Input) ->
generate_error(ctx:new(), Input, #{}).
-spec generate_error(ctx:t() | route_guide_pb:empty(), route_guide_pb:empty() | grpcbox_client:options()) ->
{ok, route_guide_pb:empty(), grpcbox:metadata()} | grpcbox_stream:grpc_error_response().
generate_error(Ctx, Input) when ?is_ctx(Ctx) ->
generate_error(Ctx, Input, #{});
generate_error(Input, Options) ->
generate_error(ctx:new(), Input, Options).
-spec generate_error(ctx:t(), route_guide_pb:empty(), grpcbox_client:options()) ->
{ok, route_guide_pb:empty(), grpcbox:metadata()} | grpcbox_stream:grpc_error_response().
generate_error(Ctx, Input, Options) ->
grpcbox_client:unary(Ctx, <<"/routeguide.RouteGuide/GenerateError">>, Input, ?DEF(empty, empty, <<"routeguide.Empty">>), Options).
%% @doc
-spec streaming_generate_error(route_guide_pb:empty()) ->
{ok, grpcbox_client:stream()} | grpcbox_stream:grpc_error_response().
streaming_generate_error(Input) ->
streaming_generate_error(ctx:new(), Input, #{}).
-spec streaming_generate_error(ctx:t() | route_guide_pb:empty(), route_guide_pb:empty() | grpcbox_client:options()) ->
{ok, grpcbox_client:stream()} | grpcbox_stream:grpc_error_response().
streaming_generate_error(Ctx, Input) when ?is_ctx(Ctx) ->
streaming_generate_error(Ctx, Input, #{});
streaming_generate_error(Input, Options) ->
streaming_generate_error(ctx:new(), Input, Options).
-spec streaming_generate_error(ctx:t(), route_guide_pb:empty(), grpcbox_client:options()) ->
{ok, grpcbox_client:stream()} | grpcbox_stream:grpc_error_response().
streaming_generate_error(Ctx, Input, Options) ->
grpcbox_client:stream(Ctx, <<"/routeguide.RouteGuide/StreamingGenerateError">>, Input, ?DEF(empty, empty, <<"routeguide.Empty">>), Options).