[#3] tracing: Move from api-go

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
This commit is contained in:
Dmitrii Stepanov 2023-05-30 12:31:34 +03:00
parent 6b3d863d81
commit 7f9eba1b19
16 changed files with 2073 additions and 0 deletions

14
Makefile Normal file
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#!/usr/bin/make -f
SHELL = bash
# Run Unit Test with go test
test:
@go test ./... -count=1
# Run linters
lint:
@golangci-lint --timeout=5m run
# Run staticcheck
staticcheck:
@staticcheck ./...

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go.mod Normal file
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module git.frostfs.info/TrueCloudLab/frostfs-observability
go 1.19
require (
github.com/stretchr/testify v1.8.3
go.opentelemetry.io/otel v1.16.0
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.16.0
go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.16.0
go.opentelemetry.io/otel/sdk v1.16.0
go.opentelemetry.io/otel/trace v1.16.0
google.golang.org/grpc v1.55.0
google.golang.org/protobuf v1.30.0
)
require (
github.com/cenkalti/backoff/v4 v4.2.1 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/go-logr/logr v1.2.4 // indirect
github.com/go-logr/stdr v1.2.2 // indirect
github.com/golang/protobuf v1.5.3 // indirect
github.com/grpc-ecosystem/grpc-gateway/v2 v2.7.0 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.16.0 // indirect
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.16.0 // indirect
go.opentelemetry.io/otel/metric v1.16.0 // indirect
go.opentelemetry.io/proto/otlp v0.19.0 // indirect
golang.org/x/net v0.8.0 // indirect
golang.org/x/sys v0.8.0 // indirect
golang.org/x/text v0.8.0 // indirect
google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

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go.sum Normal file
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github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
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github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
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github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
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github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
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github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.8.3 h1:RP3t2pwF7cMEbC1dqtB6poj3niw/9gnV4Cjg5oW5gtY=
github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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go.opentelemetry.io/otel v1.16.0/go.mod h1:vl0h9NUa1D5s1nv3A5vZOYWn8av4K8Ml6JDeHrT/bx4=
go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.16.0 h1:t4ZwRPU+emrcvM2e9DHd0Fsf0JTPVcbfa/BhTDF03d0=
go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.16.0/go.mod h1:vLarbg68dH2Wa77g71zmKQqlQ8+8Rq3GRG31uc0WcWI=
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go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.16.0/go.mod h1:JgXSGah17croqhJfhByOLVY719k1emAXC8MVhCIJlRs=
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.16.0 h1:TVQp/bboR4mhZSav+MdgXB8FaRho1RC8UwVn3T0vjVc=
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go.opentelemetry.io/otel/metric v1.16.0 h1:RbrpwVG1Hfv85LgnZ7+txXioPDoh6EdbZHo26Q3hqOo=
go.opentelemetry.io/otel/metric v1.16.0/go.mod h1:QE47cpOmkwipPiefDwo2wDzwJrlfxxNYodqc4xnGCo4=
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go.opentelemetry.io/otel/sdk v1.16.0/go.mod h1:tMsIuKXuuIWPBAOrH+eHtvhTL+SntFtXF9QD68aP6p4=
go.opentelemetry.io/otel/trace v1.16.0 h1:8JRpaObFoW0pxuVPapkgH8UhHQj+bJW8jJsCZEu5MQs=
go.opentelemetry.io/otel/trace v1.16.0/go.mod h1:Yt9vYq1SdNz3xdjZZK7wcXv1qv2pwLkqr2QVwea0ef0=
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go.opentelemetry.io/proto/otlp v0.19.0 h1:IVN6GR+mhC4s5yfcTbmzHYODqvWAp3ZedA2SJPI1Nnw=
go.opentelemetry.io/proto/otlp v0.19.0/go.mod h1:H7XAot3MsfNsj7EXtrA2q5xSNQ10UqI405h3+duxN4U=
go.uber.org/goleak v1.2.1 h1:NBol2c7O1ZokfZ0LEU9K6Whx/KnwvepVetCUhtKja4A=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek=
golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
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golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200501053045-e0ff5e5a1de5/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200506145744-7e3656a0809f/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200513185701-a91f0712d120/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
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google.golang.org/api v0.20.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
google.golang.org/api v0.22.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
google.golang.org/api v0.24.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0MncE=
google.golang.org/api v0.28.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0MncE=
google.golang.org/api v0.29.0/go.mod h1:Lcubydp8VUV7KeIHD9z2Bys/sm/vGKnG1UHuDBSrHWM=
google.golang.org/api v0.30.0/go.mod h1:QGmEvQ87FHZNiUVJkT14jQNYJ4ZJjdRF23ZXz5138Fc=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
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google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
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google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
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google.golang.org/genproto v0.0.0-20200312145019-da6875a35672/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200430143042-b979b6f78d84/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
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google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/genproto v0.0.0-20211118181313-81c1377c94b1/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 h1:DdoeryqhaXp1LtT/emMP1BRJPHHKFi5akj/nbx/zNTA=
google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4/go.mod h1:NWraEVixdDnqcqQ30jipen1STv2r/n24Wb7twVTGR4s=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
google.golang.org/grpc v1.42.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
google.golang.org/grpc v1.55.0 h1:3Oj82/tFSCeUrRTg/5E/7d/W5A1tj6Ky1ABAuZuv5ag=
google.golang.org/grpc v1.55.0/go.mod h1:iYEXKGkEBhg1PjZQvoYEVPTDkHo1/bjTnfwTeGONTY8=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

76
tracing/config.go Normal file
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@ -0,0 +1,76 @@
package tracing
import "fmt"
// Exporter is type of tracing target.
type Exporter string
const (
StdoutExporter Exporter = "stdout"
OTLPgRPCExporter Exporter = "otlp_grpc"
NoOpExporter Exporter = "noop"
)
type Config struct {
// Enabled is true, if tracing enabled.
Enabled bool
// Exporter is collector type.
Exporter Exporter
// Endpoint is collector endpoint for OTLP exporters.
Endpoint string
// Service is service name that will be used in tracing.
// Mandatory.
Service string
// InstanceID is identity of service instance.
// Optional.
InstanceID string
// Version is version of service instance.
// Optional.
Version string
}
func (c *Config) validate() error {
if !c.Enabled {
return nil
}
if c.Exporter != StdoutExporter && c.Exporter != OTLPgRPCExporter && c.Exporter != NoOpExporter {
return fmt.Errorf("tracing config error: unknown exporter '%s', valid values are %v",
c.Exporter, []string{string(StdoutExporter), string(OTLPgRPCExporter), string(NoOpExporter)})
}
if len(c.Service) == 0 {
return fmt.Errorf("tracing config error: service name must be specified")
}
if c.Exporter == OTLPgRPCExporter && len(c.Endpoint) == 0 {
return fmt.Errorf("tracing config error: exporter '%s' requires endpoint", c.Exporter)
}
return nil
}
func (c *Config) hasChange(other *Config) bool {
if !c.Enabled && !other.Enabled {
return false
}
if c.Enabled != other.Enabled {
return true
}
if (c.Exporter == StdoutExporter && other.Exporter == StdoutExporter) ||
(c.Exporter == NoOpExporter && other.Exporter == NoOpExporter) {
return !c.serviceInfoEqual(other)
}
return c.Exporter != other.Exporter ||
c.Endpoint != other.Endpoint ||
!c.serviceInfoEqual(other)
}
func (c *Config) serviceInfoEqual(other *Config) bool {
return c.Service == other.Service &&
c.InstanceID == other.InstanceID &&
c.Version == other.Version
}

243
tracing/config_test.go Normal file
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@ -0,0 +1,243 @@
package tracing
import (
"testing"
)
func TestConfig_validate(t *testing.T) {
tests := []struct {
name string
config Config
wantErr bool
}{
{
name: "disabled",
wantErr: false,
config: Config{
Enabled: false,
},
},
{
name: "stdout",
wantErr: false,
config: Config{
Enabled: true,
Exporter: StdoutExporter,
Service: "test",
InstanceID: "s01",
Version: "v0.0.1",
},
},
{
name: "noop",
wantErr: false,
config: Config{
Enabled: true,
Exporter: StdoutExporter,
Service: "test",
InstanceID: "s01",
Version: "v0.0.1",
},
},
{
name: "OTLP gRPC",
wantErr: false,
config: Config{
Enabled: true,
Exporter: OTLPgRPCExporter,
Service: "test",
Endpoint: "localhost:4717",
InstanceID: "s01",
Version: "v0.0.1",
},
},
{
name: "unknown exporter",
wantErr: true,
config: Config{
Enabled: true,
Exporter: "unknown",
Service: "test",
Endpoint: "localhost:4717",
InstanceID: "s01",
Version: "v0.0.1",
},
},
{
name: "no exporter",
wantErr: true,
config: Config{
Enabled: true,
Service: "test",
Endpoint: "localhost:4717",
InstanceID: "s01",
Version: "v0.0.1",
},
},
{
name: "no service",
wantErr: true,
config: Config{
Enabled: true,
Exporter: OTLPgRPCExporter,
Endpoint: "localhost:4717",
InstanceID: "s01",
Version: "v0.0.1",
},
},
{
name: "no endpoint for grpc",
wantErr: true,
config: Config{
Enabled: true,
Exporter: OTLPgRPCExporter,
Service: "test",
InstanceID: "s01",
Version: "v0.0.1",
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if err := tt.config.validate(); (err != nil) != tt.wantErr {
t.Errorf("Config.validate() error = %v, wantErr %v", err, tt.wantErr)
}
})
}
}
func TestConfig_hasChange(t *testing.T) {
tests := []struct {
name string
config Config
other Config
want bool
}{
{
name: "disabled configs always equal",
want: false,
config: Config{
Enabled: false,
Exporter: StdoutExporter,
Service: "test",
InstanceID: "s01",
Version: "v1.0.0",
},
other: Config{
Enabled: false,
Exporter: OTLPgRPCExporter,
Endpoint: "localhost:4717",
Service: "test",
InstanceID: "s01",
Version: "v1.0.0",
},
},
{
name: "enabled",
want: true,
config: Config{
Enabled: false,
Exporter: OTLPgRPCExporter,
Endpoint: "localhost:4717",
Service: "test",
InstanceID: "s01",
Version: "v1.0.0",
},
other: Config{
Enabled: true,
Exporter: OTLPgRPCExporter,
Endpoint: "localhost:4717",
Service: "test",
InstanceID: "s01",
Version: "v1.0.0",
},
},
{
name: "disabled",
want: true,
config: Config{
Enabled: true,
Exporter: OTLPgRPCExporter,
Endpoint: "localhost:4717",
Service: "test",
InstanceID: "s01",
Version: "v1.0.0",
},
other: Config{
Enabled: false,
Exporter: OTLPgRPCExporter,
Endpoint: "localhost:4717",
Service: "test",
InstanceID: "s01",
Version: "v1.0.0",
},
},
{
name: "do not use endpoint for stdout",
want: false,
config: Config{
Enabled: true,
Exporter: StdoutExporter,
Endpoint: "localhost:4717",
Service: "test",
InstanceID: "s01",
Version: "v1.0.0",
},
other: Config{
Enabled: true,
Exporter: StdoutExporter,
Endpoint: "otherhost:4717",
Service: "test",
InstanceID: "s01",
Version: "v1.0.0",
},
},
{
name: "do not use endpoint for noop",
want: false,
config: Config{
Enabled: true,
Exporter: NoOpExporter,
Endpoint: "localhost:4717",
Service: "test",
InstanceID: "s01",
Version: "v1.0.0",
},
other: Config{
Enabled: true,
Exporter: NoOpExporter,
Endpoint: "otherhost:4717",
Service: "test",
InstanceID: "s01",
Version: "v1.0.0",
},
},
{
name: "use endpoint for grpc",
want: true,
config: Config{
Enabled: true,
Exporter: OTLPgRPCExporter,
Endpoint: "localhost:4717",
Service: "test",
InstanceID: "s01",
Version: "v1.0.0",
},
other: Config{
Enabled: true,
Exporter: OTLPgRPCExporter,
Endpoint: "otherhost:4717",
Service: "test",
InstanceID: "s01",
Version: "v1.0.0",
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := tt.config.hasChange(&tt.other); got != tt.want {
t.Errorf("Config.equal() = %v, want %v", got, tt.want)
}
})
}
}

View file

@ -0,0 +1,109 @@
package main
import (
"context"
"fmt"
"log"
"net"
"sync"
"time"
"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
srv "git.frostfs.info/TrueCloudLab/frostfs-observability/tracing/examples/grpc/server"
tracing_grpc "git.frostfs.info/TrueCloudLab/frostfs-observability/tracing/grpc"
"go.opentelemetry.io/otel/trace"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
)
type server struct {
srv.UnimplementedServerServer
}
func (s *server) Echo(ctx context.Context, req *srv.Request) (*srv.Response, error) {
sc := trace.SpanFromContext(ctx).SpanContext()
if !sc.TraceID().IsValid() || !sc.SpanID().IsValid() {
return nil, fmt.Errorf("no trace id or span id on server side")
}
log.Printf("server trace id: %v", sc.TraceID())
log.Printf("server span id: %v", sc.SpanID())
return &srv.Response{
Value: req.GetValue(),
}, nil
}
func verifyClientTraceID(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
sc := trace.SpanFromContext(ctx).SpanContext()
if !sc.TraceID().IsValid() || !sc.SpanID().IsValid() {
return fmt.Errorf("no trace id or span id on client side")
}
log.Printf("client trace id: %v", sc.TraceID())
log.Printf("client span id: %v", sc.SpanID())
return invoker(ctx, method, req, reply, cc, opts...)
}
func main() {
ctx := context.Background()
tracingCfg := tracing.Config{
Enabled: true,
Exporter: tracing.NoOpExporter,
Service: "example-grpc",
}
enabled, err := tracing.Setup(ctx, tracingCfg)
if err != nil {
log.Fatalf("failed to setup tracing: %v", err)
}
if !enabled {
log.Fatalf("failed to enable tracing")
}
lis, err := net.Listen("tcp", ":7000")
if err != nil {
log.Fatalf("failed to listen: %v", err)
}
s := grpc.NewServer(
grpc.ChainStreamInterceptor(tracing_grpc.NewStreamServerInterceptor()),
grpc.ChainUnaryInterceptor(tracing_grpc.NewUnaryServerInterceptor()),
)
srv.RegisterServerServer(s, &server{})
wg := &sync.WaitGroup{}
wg.Add(1)
go func() {
defer wg.Done()
if err := s.Serve(lis); err != nil {
log.Fatalf("failed to serve: %v", err)
}
}()
time.Sleep(1 * time.Second)
cc, err := grpc.DialContext(ctx,
":7000",
grpc.WithTransportCredentials(insecure.NewCredentials()),
grpc.WithChainUnaryInterceptor(
tracing_grpc.NewUnaryClientInteceptor(),
verifyClientTraceID,
),
grpc.WithChainStreamInterceptor(
tracing_grpc.NewStreamClientInterceptor(),
),
)
if err != nil {
log.Fatalf("failed to dial: %v", err)
}
client := srv.NewServerClient(cc)
resp, err := client.Echo(ctx, &srv.Request{
Value: "Hello!",
})
if err != nil {
log.Fatalf("failed to get response: %v", err)
}
log.Printf("response received: %s", resp.GetValue())
s.GracefulStop()
wg.Wait()
}

297
tracing/examples/grpc/server/server.pb.go generated Normal file
View file

@ -0,0 +1,297 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.26.0
// protoc v3.21.9
// source: server/server.proto
package server
import (
context "context"
grpc "google.golang.org/grpc"
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
sync "sync"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
type Request struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Value string `protobuf:"bytes,1,opt,name=value,proto3" json:"value,omitempty"`
}
func (x *Request) Reset() {
*x = Request{}
if protoimpl.UnsafeEnabled {
mi := &file_server_server_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Request) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Request) ProtoMessage() {}
func (x *Request) ProtoReflect() protoreflect.Message {
mi := &file_server_server_proto_msgTypes[0]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Request.ProtoReflect.Descriptor instead.
func (*Request) Descriptor() ([]byte, []int) {
return file_server_server_proto_rawDescGZIP(), []int{0}
}
func (x *Request) GetValue() string {
if x != nil {
return x.Value
}
return ""
}
type Response struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Value string `protobuf:"bytes,1,opt,name=value,proto3" json:"value,omitempty"`
}
func (x *Response) Reset() {
*x = Response{}
if protoimpl.UnsafeEnabled {
mi := &file_server_server_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Response) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Response) ProtoMessage() {}
func (x *Response) ProtoReflect() protoreflect.Message {
mi := &file_server_server_proto_msgTypes[1]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Response.ProtoReflect.Descriptor instead.
func (*Response) Descriptor() ([]byte, []int) {
return file_server_server_proto_rawDescGZIP(), []int{1}
}
func (x *Response) GetValue() string {
if x != nil {
return x.Value
}
return ""
}
var File_server_server_proto protoreflect.FileDescriptor
var file_server_server_proto_rawDesc = []byte{
0x0a, 0x13, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2f, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2e,
0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x06, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x22, 0x1f, 0x0a,
0x07, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75,
0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x20,
0x0a, 0x08, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61,
0x6c, 0x75, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65,
0x32, 0x33, 0x0a, 0x06, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x12, 0x29, 0x0a, 0x04, 0x45, 0x63,
0x68, 0x6f, 0x12, 0x0f, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2e, 0x52, 0x65, 0x71, 0x75,
0x65, 0x73, 0x74, 0x1a, 0x10, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2e, 0x52, 0x65, 0x73,
0x70, 0x6f, 0x6e, 0x73, 0x65, 0x42, 0x4c, 0x5a, 0x4a, 0x67, 0x69, 0x74, 0x2e, 0x66, 0x72, 0x6f,
0x73, 0x74, 0x66, 0x73, 0x2e, 0x69, 0x6e, 0x66, 0x6f, 0x2f, 0x54, 0x72, 0x75, 0x65, 0x43, 0x6c,
0x6f, 0x75, 0x64, 0x4c, 0x61, 0x62, 0x2f, 0x66, 0x72, 0x6f, 0x73, 0x74, 0x66, 0x73, 0x2d, 0x70,
0x6c, 0x61, 0x74, 0x66, 0x6f, 0x72, 0x6d, 0x2f, 0x74, 0x72, 0x61, 0x63, 0x69, 0x6e, 0x67, 0x2f,
0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x5f, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x73, 0x65, 0x72,
0x76, 0x65, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}
var (
file_server_server_proto_rawDescOnce sync.Once
file_server_server_proto_rawDescData = file_server_server_proto_rawDesc
)
func file_server_server_proto_rawDescGZIP() []byte {
file_server_server_proto_rawDescOnce.Do(func() {
file_server_server_proto_rawDescData = protoimpl.X.CompressGZIP(file_server_server_proto_rawDescData)
})
return file_server_server_proto_rawDescData
}
var file_server_server_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
var file_server_server_proto_goTypes = []interface{}{
(*Request)(nil), // 0: server.Request
(*Response)(nil), // 1: server.Response
}
var file_server_server_proto_depIdxs = []int32{
0, // 0: server.Server.Echo:input_type -> server.Request
1, // 1: server.Server.Echo:output_type -> server.Response
1, // [1:2] is the sub-list for method output_type
0, // [0:1] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
}
func init() { file_server_server_proto_init() }
func file_server_server_proto_init() {
if File_server_server_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_server_server_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Request); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_server_server_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Response); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_server_server_proto_rawDesc,
NumEnums: 0,
NumMessages: 2,
NumExtensions: 0,
NumServices: 1,
},
GoTypes: file_server_server_proto_goTypes,
DependencyIndexes: file_server_server_proto_depIdxs,
MessageInfos: file_server_server_proto_msgTypes,
}.Build()
File_server_server_proto = out.File
file_server_server_proto_rawDesc = nil
file_server_server_proto_goTypes = nil
file_server_server_proto_depIdxs = nil
}
// Reference imports to suppress errors if they are not otherwise used.
var _ context.Context
var _ grpc.ClientConnInterface
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion6
// ServerClient is the client API for Server service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
type ServerClient interface {
Echo(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error)
}
type serverClient struct {
cc grpc.ClientConnInterface
}
func NewServerClient(cc grpc.ClientConnInterface) ServerClient {
return &serverClient{cc}
}
func (c *serverClient) Echo(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error) {
out := new(Response)
err := c.cc.Invoke(ctx, "/server.Server/Echo", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// ServerServer is the server API for Server service.
type ServerServer interface {
Echo(context.Context, *Request) (*Response, error)
}
// UnimplementedServerServer can be embedded to have forward compatible implementations.
type UnimplementedServerServer struct {
}
func (*UnimplementedServerServer) Echo(context.Context, *Request) (*Response, error) {
return nil, status.Errorf(codes.Unimplemented, "method Echo not implemented")
}
func RegisterServerServer(s *grpc.Server, srv ServerServer) {
s.RegisterService(&_Server_serviceDesc, srv)
}
func _Server_Echo_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(Request)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(ServerServer).Echo(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/server.Server/Echo",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(ServerServer).Echo(ctx, req.(*Request))
}
return interceptor(ctx, in, info, handler)
}
var _Server_serviceDesc = grpc.ServiceDesc{
ServiceName: "server.Server",
HandlerType: (*ServerServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "Echo",
Handler: _Server_Echo_Handler,
},
},
Streams: []grpc.StreamDesc{},
Metadata: "server/server.proto",
}

View file

@ -0,0 +1,17 @@
syntax = "proto3";
package server;
option go_package = "git.frostfs.info/TrueCloudLab/frostfs-observability/tracing/example_grpc/server";
service Server {
rpc Echo(Request) returns (Response);
}
message Request {
string value = 1;
}
message Response {
string value = 1;
}

29
tracing/grpc/carrier.go Normal file
View file

@ -0,0 +1,29 @@
package grpc
import (
"google.golang.org/grpc/metadata"
)
type grpcMetadataCarrier struct {
md *metadata.MD
}
func (c *grpcMetadataCarrier) Get(key string) string {
values := c.md.Get(key)
if len(values) > 0 {
return values[0]
}
return ""
}
func (c *grpcMetadataCarrier) Set(key string, value string) {
c.md.Set(key, value)
}
func (c *grpcMetadataCarrier) Keys() []string {
result := make([]string, 0, c.md.Len())
for key := range *c.md {
result = append(result, key)
}
return result
}

76
tracing/grpc/client.go Normal file
View file

@ -0,0 +1,76 @@
package grpc
import (
"context"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
)
type clientStream struct {
originalStream grpc.ClientStream
desc *grpc.StreamDesc
finished chan<- error
done <-chan struct{}
}
func newgRPCClientStream(originalStream grpc.ClientStream, desc *grpc.StreamDesc, finished chan<- error, done <-chan struct{}) grpc.ClientStream {
return &clientStream{
originalStream: originalStream,
desc: desc,
finished: finished,
done: done,
}
}
func (cs *clientStream) Header() (metadata.MD, error) {
md, err := cs.originalStream.Header()
if err != nil {
select {
case <-cs.done:
case cs.finished <- err:
}
}
return md, err
}
func (cs *clientStream) Trailer() metadata.MD {
return cs.originalStream.Trailer()
}
func (cs *clientStream) CloseSend() error {
err := cs.originalStream.CloseSend()
if err != nil {
select {
case <-cs.done:
case cs.finished <- err:
}
}
return err
}
func (cs *clientStream) Context() context.Context {
return cs.originalStream.Context()
}
func (cs *clientStream) SendMsg(m any) error {
err := cs.originalStream.SendMsg(m)
if err != nil {
select {
case <-cs.done:
case cs.finished <- err:
}
}
return err
}
func (cs *clientStream) RecvMsg(m any) error {
err := cs.originalStream.RecvMsg(m)
if err != nil || !cs.desc.ServerStreams {
select {
case <-cs.done:
case cs.finished <- err:
}
}
return err
}

View file

@ -0,0 +1,160 @@
package grpc
import (
"context"
"io"
"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
"go.opentelemetry.io/otel/trace"
"google.golang.org/grpc"
grpc_codes "google.golang.org/grpc/codes"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/status"
)
// NewUnaryClientInteceptor creates new gRPC unary interceptor to save gRPC client traces.
func NewUnaryClientInteceptor() grpc.UnaryClientInterceptor {
return func(ctx context.Context, method string, req, reply any, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
ctx, span := startClientSpan(ctx, cc, method)
defer span.End()
err := invoker(ctx, method, req, reply, cc, opts...)
if err != nil {
grpcStatus, _ := status.FromError(err)
span.SetStatus(codes.Error, grpcStatus.Message())
span.SetAttributes(semconv.RPCGRPCStatusCodeKey.Int64(int64(grpcStatus.Code())))
} else {
span.SetStatus(codes.Ok, "")
span.SetAttributes(semconv.RPCGRPCStatusCodeKey.Int64(int64(grpc_codes.OK)))
}
return err
}
}
// NewStreamClientInterceptor creates new gRPC stream interceptor to save gRPC client traces.
func NewStreamClientInterceptor() grpc.StreamClientInterceptor {
return func(ctx context.Context, desc *grpc.StreamDesc, cc *grpc.ClientConn, method string, streamer grpc.Streamer, opts ...grpc.CallOption) (grpc.ClientStream, error) {
ctx, span := startClientSpan(ctx, cc, method)
str, err := streamer(ctx, desc, cc, method, opts...)
if err != nil {
grpcStatus, _ := status.FromError(err)
span.SetStatus(codes.Error, grpcStatus.Message())
span.SetAttributes(semconv.RPCGRPCStatusCodeKey.Int64(int64(grpcStatus.Code())))
span.End()
return str, err
}
finished := make(chan error)
done := make(chan struct{})
strWrp := newgRPCClientStream(str, desc, finished, done)
go func() {
defer close(done)
defer span.End()
select {
case err := <-finished:
if err == nil || err == io.EOF {
setGRPCSpanStatus(span, nil)
} else {
setGRPCSpanStatus(span, err)
}
return
case <-ctx.Done():
setGRPCSpanStatus(span, ctx.Err())
return
}
}()
return strWrp, nil
}
}
// NewUnaryServerInterceptor creates new gRPC unary interceptor to save gRPC server traces.
func NewUnaryServerInterceptor() grpc.UnaryServerInterceptor {
return func(ctx context.Context, req any, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
ctx = extractGRPCTraceInfo(ctx)
var span trace.Span
ctx, span = tracing.StartSpanFromContext(ctx, info.FullMethod,
trace.WithAttributes(
semconv.RPCSystemGRPC,
semconv.RPCMethod(info.FullMethod),
),
trace.WithSpanKind(trace.SpanKindServer))
defer span.End()
resp, err = handler(ctx, req)
setGRPCSpanStatus(span, err)
return
}
}
// NewStreamServerInterceptor creates new gRPC stream interceptor to save gRPC server traces.
func NewStreamServerInterceptor() grpc.StreamServerInterceptor {
return func(srv any, ss grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
ctx := extractGRPCTraceInfo(ss.Context())
var span trace.Span
ctx, span = tracing.StartSpanFromContext(ctx, info.FullMethod,
trace.WithAttributes(
semconv.RPCSystemGRPC,
semconv.RPCMethod(info.FullMethod),
),
trace.WithSpanKind(trace.SpanKindServer))
defer span.End()
err := handler(srv, newgRPCServerStream(ctx, ss))
setGRPCSpanStatus(span, err)
return err
}
}
func startClientSpan(ctx context.Context, cc *grpc.ClientConn, method string) (context.Context, trace.Span) {
ctx, span := tracing.StartSpanFromContext(ctx, method, trace.WithAttributes(
semconv.RPCSystemGRPC,
semconv.RPCMethod(method),
attribute.String("rpc.grpc.target", cc.Target())),
trace.WithSpanKind(trace.SpanKindClient),
)
ctx = setGRPCTraceInfo(ctx)
return ctx, span
}
func setGRPCSpanStatus(span trace.Span, err error) {
if err != nil {
grpcStatus, _ := status.FromError(err)
span.SetStatus(codes.Error, grpcStatus.Message())
span.SetAttributes(semconv.RPCGRPCStatusCodeKey.Int64(int64(grpcStatus.Code())))
} else {
span.SetStatus(codes.Ok, "")
span.SetAttributes(semconv.RPCGRPCStatusCodeKey.Int64(int64(grpc_codes.OK)))
}
}
func extractGRPCTraceInfo(ctx context.Context) context.Context {
md, ok := metadata.FromIncomingContext(ctx)
if !ok {
return ctx
}
carrier := &grpcMetadataCarrier{
md: &md,
}
return tracing.Propagator.Extract(ctx, carrier)
}
func setGRPCTraceInfo(ctx context.Context) context.Context {
md, ok := metadata.FromOutgoingContext(ctx)
if !ok {
md = metadata.MD{}
}
carrier := &grpcMetadataCarrier{
md: &md,
}
tracing.Propagator.Inject(ctx, carrier)
return metadata.NewOutgoingContext(ctx, md)
}

44
tracing/grpc/server.go Normal file
View file

@ -0,0 +1,44 @@
package grpc
import (
"context"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
)
type serverStream struct {
originalStream grpc.ServerStream
ctx context.Context // nolint:containedctx
}
func newgRPCServerStream(ctx context.Context, originalStream grpc.ServerStream) grpc.ServerStream {
return &serverStream{
originalStream: originalStream,
ctx: ctx,
}
}
func (ss *serverStream) SetHeader(md metadata.MD) error {
return ss.originalStream.SendHeader(md)
}
func (ss *serverStream) SendHeader(md metadata.MD) error {
return ss.originalStream.SendHeader(md)
}
func (ss *serverStream) SetTrailer(md metadata.MD) {
ss.originalStream.SetTrailer(md)
}
func (ss *serverStream) Context() context.Context {
return ss.ctx
}
func (ss *serverStream) SendMsg(m any) error {
return ss.originalStream.SendMsg(m)
}
func (ss *serverStream) RecvMsg(m any) error {
return ss.originalStream.RecvMsg(m)
}

94
tracing/propagator.go Normal file
View file

@ -0,0 +1,94 @@
package tracing
import (
"context"
"fmt"
"strconv"
"go.opentelemetry.io/otel/propagation"
"go.opentelemetry.io/otel/trace"
)
const (
traceIDHeader = "x-frostfs-trace-id"
spanIDHeader = "x-frostfs-span-id"
flagsHeader = "x-frostfs-trace-flags"
)
const (
flagsSampled = 1 << iota
)
// propagator serializes SpanContext to/from headers.
// x-frostfs-trace-id - TraceID, 16 bytes, hex-string (32 bytes).
// x-frostfs-span-id - SpanID, 8 bytes, hexstring (16 bytes).
// x-frostfs-trace-flags - trace flags (now sampled only).
type propagator struct{}
// Propagator is propagation.TextMapPropagator instance, used to extract/inject trace info from/to remote context.
var Propagator propagation.TextMapPropagator = &propagator{}
// Inject injects tracing info to carrier.
func (p *propagator) Inject(ctx context.Context, carrier propagation.TextMapCarrier) {
sc := trace.SpanFromContext(ctx).SpanContext()
if !sc.TraceID().IsValid() || !sc.SpanID().IsValid() {
return
}
var flags int
if sc.IsSampled() {
flags |= flagsSampled
}
carrier.Set(traceIDHeader, sc.TraceID().String())
carrier.Set(spanIDHeader, sc.SpanID().String())
carrier.Set(flagsHeader, fmt.Sprintf("%x", flags))
}
// Extract extracts tracing info from carrier and returns context with tracing info.
// In case of error returns ctx.
func (p *propagator) Extract(ctx context.Context, carrier propagation.TextMapCarrier) context.Context {
spanConfig := trace.SpanContextConfig{}
var err error
traceIDStr := carrier.Get(traceIDHeader)
traceIDDefined := traceIDStr != ""
if traceIDDefined {
spanConfig.TraceID, err = trace.TraceIDFromHex(traceIDStr)
if err != nil {
return ctx
}
}
spanIDstr := carrier.Get(spanIDHeader)
spanIDDefined := spanIDstr != ""
if spanIDDefined {
spanConfig.SpanID, err = trace.SpanIDFromHex(spanIDstr)
if err != nil {
return ctx
}
}
if traceIDDefined != spanIDDefined {
return ctx //traceID + spanID must be defined OR no traceID and no spanID
}
flagsStr := carrier.Get(flagsHeader)
if flagsStr != "" {
var v int64
v, err = strconv.ParseInt(flagsStr, 16, 32)
if err != nil {
return ctx
}
if v&flagsSampled == flagsSampled {
spanConfig.TraceFlags = trace.FlagsSampled
}
}
return trace.ContextWithRemoteSpanContext(ctx, trace.NewSpanContext(spanConfig))
}
// Fields returns the keys whose values are set with Inject.
func (p *propagator) Fields() []string {
return []string{traceIDHeader, spanIDHeader, flagsHeader}
}

257
tracing/propagator_test.go Normal file
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package tracing
import (
"context"
"encoding/hex"
"math/rand"
"testing"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel/trace"
)
type testCarrier struct {
Values map[string]string
}
func (c *testCarrier) Get(key string) string {
return c.Values[key]
}
func (c *testCarrier) Set(key string, value string) {
c.Values[key] = value
}
func (c *testCarrier) Keys() []string {
res := make([]string, 0, len(c.Values))
for k := range c.Values {
res = append(res, k)
}
return res
}
var p = &propagator{}
func TestPropagator_Inject(t *testing.T) {
t.Run("injects trace_id and span_id if valid", func(t *testing.T) {
traceIDBytes := make([]byte, 16)
rand.Read(traceIDBytes)
traceIDHex := hex.EncodeToString(traceIDBytes)
spanIDBytes := make([]byte, 8)
rand.Read(spanIDBytes)
spanIDHex := hex.EncodeToString(spanIDBytes)
spanConfig := trace.SpanContextConfig{}
spanConfig.TraceID, _ = trace.TraceIDFromHex(traceIDHex)
spanConfig.SpanID, _ = trace.SpanIDFromHex(spanIDHex)
spanConfig.TraceFlags = trace.FlagsSampled
ctx := trace.ContextWithRemoteSpanContext(context.Background(), trace.NewSpanContext(spanConfig))
c := &testCarrier{
Values: make(map[string]string),
}
p.Inject(ctx, c)
require.Equal(t, 3, len(c.Values), "not all headers were saved")
require.Equal(t, traceIDHex, c.Values[traceIDHeader], "unexpected trace id")
require.Equal(t, spanIDHex, c.Values[spanIDHeader], "unexpected span id")
require.Equal(t, "1", c.Values[flagsHeader], "unexpected flags")
})
t.Run("doesn't injects if trace_id is invalid", func(t *testing.T) {
traceIDBytes := make([]byte, 16)
traceIDHex := hex.EncodeToString(traceIDBytes)
spanIDBytes := make([]byte, 8)
rand.Read(spanIDBytes)
spanIDHex := hex.EncodeToString(spanIDBytes)
spanConfig := trace.SpanContextConfig{}
spanConfig.TraceID, _ = trace.TraceIDFromHex(traceIDHex)
spanConfig.SpanID, _ = trace.SpanIDFromHex(spanIDHex)
spanConfig.TraceFlags = trace.FlagsSampled
ctx := trace.ContextWithRemoteSpanContext(context.Background(), trace.NewSpanContext(spanConfig))
c := &testCarrier{
Values: make(map[string]string),
}
p.Inject(ctx, c)
require.Equal(t, 0, len(c.Values), "some headers were saved")
})
t.Run("doesn't injects if span_id is invalid", func(t *testing.T) {
traceIDBytes := make([]byte, 16)
rand.Read(traceIDBytes)
traceIDHex := hex.EncodeToString(traceIDBytes)
spanIDBytes := make([]byte, 8)
spanIDHex := hex.EncodeToString(spanIDBytes)
spanConfig := trace.SpanContextConfig{}
spanConfig.TraceID, _ = trace.TraceIDFromHex(traceIDHex)
spanConfig.SpanID, _ = trace.SpanIDFromHex(spanIDHex)
spanConfig.TraceFlags = trace.FlagsSampled
ctx := trace.ContextWithRemoteSpanContext(context.Background(), trace.NewSpanContext(spanConfig))
c := &testCarrier{
Values: make(map[string]string),
}
p.Inject(ctx, c)
require.Equal(t, 0, len(c.Values), "some headers were saved")
})
t.Run("injects flags if no flags specified", func(t *testing.T) {
traceIDBytes := make([]byte, 16)
rand.Read(traceIDBytes)
traceIDHex := hex.EncodeToString(traceIDBytes)
spanIDBytes := make([]byte, 8)
rand.Read(spanIDBytes)
spanIDHex := hex.EncodeToString(spanIDBytes)
spanConfig := trace.SpanContextConfig{}
spanConfig.TraceID, _ = trace.TraceIDFromHex(traceIDHex)
spanConfig.SpanID, _ = trace.SpanIDFromHex(spanIDHex)
ctx := trace.ContextWithRemoteSpanContext(context.Background(), trace.NewSpanContext(spanConfig))
c := &testCarrier{
Values: make(map[string]string),
}
p.Inject(ctx, c)
require.Equal(t, 3, len(c.Values), "not all headers were saved")
require.Equal(t, traceIDHex, c.Values[traceIDHeader], "unexpected trace id")
require.Equal(t, spanIDHex, c.Values[spanIDHeader], "unexpected span id")
require.Equal(t, "0", c.Values[flagsHeader], "unexpected flags")
})
}
func TestPropagator_Extract(t *testing.T) {
t.Run("extracts if set", func(t *testing.T) {
c := &testCarrier{
Values: make(map[string]string),
}
traceIDBytes := make([]byte, 16)
rand.Read(traceIDBytes)
traceIDHex := hex.EncodeToString(traceIDBytes)
c.Values[traceIDHeader] = traceIDHex
spanIDBytes := make([]byte, 8)
rand.Read(spanIDBytes)
spanIDHex := hex.EncodeToString(spanIDBytes)
c.Values[spanIDHeader] = spanIDHex
c.Values[flagsHeader] = "1"
ctx := p.Extract(context.Background(), c)
sc := trace.SpanFromContext(ctx).SpanContext()
require.True(t, sc.HasTraceID(), "trace_id was not set")
require.Equal(t, traceIDHex, sc.TraceID().String(), "trace_id doesn't match")
require.True(t, sc.HasSpanID(), "span_id was not set")
require.Equal(t, spanIDHex, sc.SpanID().String(), "span_id doesn't match")
require.True(t, sc.IsSampled(), "sampled was not set")
})
t.Run("not extracts if only trace_id defined", func(t *testing.T) {
c := &testCarrier{
Values: make(map[string]string),
}
traceIDBytes := make([]byte, 16)
rand.Read(traceIDBytes)
traceIDHex := hex.EncodeToString(traceIDBytes)
c.Values[traceIDHeader] = traceIDHex
c.Values[flagsHeader] = "1"
ctx := p.Extract(context.Background(), c)
sc := trace.SpanFromContext(ctx).SpanContext()
require.False(t, sc.HasTraceID(), "trace_id was set")
require.False(t, sc.HasSpanID(), "span_id was set")
require.False(t, sc.IsSampled(), "sampled was set")
})
t.Run("not extracts if only span_id defined", func(t *testing.T) {
c := &testCarrier{
Values: make(map[string]string),
}
spanIDBytes := make([]byte, 8)
rand.Read(spanIDBytes)
spanIDHex := hex.EncodeToString(spanIDBytes)
c.Values[spanIDHeader] = spanIDHex
c.Values[flagsHeader] = "1"
ctx := p.Extract(context.Background(), c)
sc := trace.SpanFromContext(ctx).SpanContext()
require.False(t, sc.HasTraceID(), "trace_id was set")
require.False(t, sc.HasSpanID(), "span_id was set")
require.False(t, sc.IsSampled(), "sampled was set")
})
t.Run("not extracts if trace_id is in invalid", func(t *testing.T) {
c := &testCarrier{
Values: make(map[string]string),
}
c.Values[traceIDHeader] = "loren ipsum"
spanIDBytes := make([]byte, 8)
rand.Read(spanIDBytes)
spanIDHex := hex.EncodeToString(spanIDBytes)
c.Values[spanIDHeader] = spanIDHex
c.Values[flagsHeader] = "1"
ctx := p.Extract(context.Background(), c)
sc := trace.SpanFromContext(ctx).SpanContext()
require.False(t, sc.HasTraceID(), "trace_id was set")
require.False(t, sc.HasSpanID(), "span_id was set")
require.False(t, sc.IsSampled(), "sampled was set")
})
t.Run("not extracts if span_id is invalid", func(t *testing.T) {
c := &testCarrier{
Values: make(map[string]string),
}
c.Values[spanIDHeader] = "loren ipsum"
traceIDBytes := make([]byte, 16)
rand.Read(traceIDBytes)
traceIDHex := hex.EncodeToString(traceIDBytes)
c.Values[traceIDHeader] = traceIDHex
c.Values[flagsHeader] = "1"
ctx := p.Extract(context.Background(), c)
sc := trace.SpanFromContext(ctx).SpanContext()
require.False(t, sc.HasTraceID(), "trace_id was set")
require.False(t, sc.HasSpanID(), "span_id was set")
require.False(t, sc.IsSampled(), "sampled was set")
})
t.Run("not extracts if flags is invalid", func(t *testing.T) {
c := &testCarrier{
Values: make(map[string]string),
}
traceIDBytes := make([]byte, 16)
rand.Read(traceIDBytes)
traceIDHex := hex.EncodeToString(traceIDBytes)
c.Values[traceIDHeader] = traceIDHex
spanIDBytes := make([]byte, 8)
rand.Read(spanIDBytes)
spanIDHex := hex.EncodeToString(spanIDBytes)
c.Values[spanIDHeader] = spanIDHex
c.Values[flagsHeader] = "loren ipsum"
ctx := p.Extract(context.Background(), c)
sc := trace.SpanFromContext(ctx).SpanContext()
require.False(t, sc.HasTraceID(), "trace_id was set")
require.False(t, sc.HasSpanID(), "span_id was set")
require.False(t, sc.IsSampled(), "sampled was set")
})
}

159
tracing/setup.go Normal file
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package tracing
import (
"context"
"fmt"
"io"
"sync"
"sync/atomic"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
"go.opentelemetry.io/otel/exporters/stdout/stdouttrace"
"go.opentelemetry.io/otel/sdk/resource"
sdktrace "go.opentelemetry.io/otel/sdk/trace"
semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
"go.opentelemetry.io/otel/trace"
)
var (
// tracingLock protects provider, done, config and tracer from concurrent update.
// These fields change when the config is updated or the application is shutdown.
tracingLock = &sync.Mutex{}
provider *sdktrace.TracerProvider
done bool
config = Config{}
tracer = getDefaultTracer()
)
// Setup initializes global tracer.
// Returns true if global tracer was updated.
// Shutdown method must be called for graceful shutdown.
func Setup(ctx context.Context, cfg Config) (bool, error) {
if err := cfg.validate(); err != nil {
return false, err
}
tracingLock.Lock()
defer tracingLock.Unlock()
if done {
return false, fmt.Errorf("failed to setup tracing: already shutdown")
}
if !config.hasChange(&cfg) {
return false, nil
}
if !cfg.Enabled {
config = cfg
tracer.Store(&tracerHolder{Tracer: trace.NewNoopTracerProvider().Tracer("")})
return true, flushAndShutdown(ctx)
}
exp, err := getExporter(ctx, &cfg)
if err != nil {
return false, err
}
prevProvider := provider
provider = sdktrace.NewTracerProvider(
sdktrace.WithBatcher(exp),
sdktrace.WithResource(newResource(&cfg)),
)
config = cfg
tracer.Store(&tracerHolder{Tracer: provider.Tracer(cfg.Service)})
var retErr error
if prevProvider != nil {
retErr = prevProvider.ForceFlush(ctx)
if err := prevProvider.Shutdown(ctx); err != nil {
if retErr == nil {
retErr = err
} else {
retErr = fmt.Errorf("%v ; %v", retErr, err)
}
}
}
return true, retErr
}
// Shutdown shutdowns tracing.
func Shutdown(ctx context.Context) error {
tracingLock.Lock()
defer tracingLock.Unlock()
if done {
return nil
}
done = true
config = Config{}
tracer.Store(&tracerHolder{Tracer: trace.NewNoopTracerProvider().Tracer("")})
return flushAndShutdown(ctx)
}
func getDefaultTracer() *atomic.Pointer[tracerHolder] {
v := new(atomic.Pointer[tracerHolder])
v.Store(&tracerHolder{Tracer: trace.NewNoopTracerProvider().Tracer("")})
return v
}
func flushAndShutdown(ctx context.Context) error {
if provider == nil {
return nil
}
tmp := provider
provider = nil
var retErr error
retErr = tmp.ForceFlush(ctx)
if err := tmp.Shutdown(ctx); err != nil {
if retErr == nil {
retErr = err
} else {
retErr = fmt.Errorf("%v ; %v", retErr, err)
}
}
return retErr
}
func getExporter(ctx context.Context, cfg *Config) (sdktrace.SpanExporter, error) {
switch cfg.Exporter {
default:
return nil, fmt.Errorf("failed to setup tracing: unknown tracing exporter (%s)", cfg.Exporter)
case StdoutExporter:
return stdouttrace.New()
case NoOpExporter:
return stdouttrace.New(stdouttrace.WithWriter(io.Discard))
case OTLPgRPCExporter:
return otlptracegrpc.New(ctx, otlptracegrpc.WithEndpoint(cfg.Endpoint), otlptracegrpc.WithInsecure())
}
}
func newResource(cfg *Config) *resource.Resource {
attrs := []attribute.KeyValue{
semconv.ServiceName(cfg.Service),
}
if len(cfg.Version) > 0 {
attrs = append(attrs, semconv.ServiceVersion(cfg.Version))
}
if len(cfg.InstanceID) > 0 {
attrs = append(attrs, semconv.ServiceInstanceID(cfg.InstanceID))
}
return resource.NewWithAttributes(
semconv.SchemaURL,
attrs...,
)
}
type tracerHolder struct {
Tracer trace.Tracer
}

12
tracing/span.go Normal file
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package tracing
import (
"context"
"go.opentelemetry.io/otel/trace"
)
// StartSpanFromContext creates a span and a context.Context containing the newly-created span.
func StartSpanFromContext(ctx context.Context, operationName string, opts ...trace.SpanStartOption) (context.Context, trace.Span) {
return tracer.Load().Tracer.Start(ctx, operationName, opts...)
}