Add autoconfiguration for OTEL and resolve TODOs for metrics

go.mod

@@ -19,16 +19,13 @@ require (
 	github.com/spf13/cobra v1.8.0
 	github.com/spf13/viper v1.18.1
 	github.com/valyala/fastjson v1.6.4
+	go.opentelemetry.io/contrib/exporters/autoexport v0.49.0
 	go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux v0.48.0
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.48.0
 	go.opentelemetry.io/contrib/instrumentation/runtime v0.48.0
-	go.opentelemetry.io/otel v1.23.1
+	go.opentelemetry.io/otel v1.24.0
-	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.23.1
+	go.opentelemetry.io/otel/metric v1.24.0
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.23.1
+	go.opentelemetry.io/otel/sdk v1.24.0
-	go.opentelemetry.io/otel/metric v1.23.1
+	go.opentelemetry.io/otel/sdk/metric v1.24.0
-	go.opentelemetry.io/otel/sdk v1.23.1
-	go.opentelemetry.io/otel/sdk/metric v1.23.1
-	go.opentelemetry.io/otel/trace v1.23.1
 	go.uber.org/multierr v1.11.0
 )
 
@@ -40,8 +37,10 @@ require (
 
 // Indirect dependencies
 require (
+	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cenkalti/backoff/v4 v4.2.1 // indirect
 	github.com/certifi/gocertifi v0.0.0-20210507211836-431795d63e8d // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
@@ -57,9 +56,14 @@ require (
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/leodido/go-urn v1.2.4 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/pelletier/go-toml/v2 v2.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/prometheus/client_golang v1.18.0 // indirect
+	github.com/prometheus/client_model v0.6.0 // indirect
+	github.com/prometheus/common v0.45.0 // indirect
+	github.com/prometheus/procfs v0.12.0 // indirect
 	github.com/sagikazarmark/locafero v0.4.0 // indirect
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
 	github.com/sourcegraph/conc v0.3.0 // indirect
@@ -69,7 +73,15 @@ require (
 	github.com/stretchr/objx v0.5.0 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/tilinna/clock v1.0.2 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.23.1 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.24.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.24.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.24.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.24.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.24.0 // indirect
+	go.opentelemetry.io/otel/exporters/prometheus v0.46.0 // indirect
+	go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.24.0 // indirect
+	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.24.0 // indirect
+	go.opentelemetry.io/otel/trace v1.24.0 // indirect
 	go.opentelemetry.io/proto/otlp v1.1.0 // indirect
 	golang.org/x/crypto v0.19.0 // indirect
 	golang.org/x/exp v0.0.0-20231206192017-f3f8817b8deb // indirect
@@ -79,7 +91,7 @@ require (
 	golang.org/x/text v0.14.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20240205150955-31a09d347014 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240205150955-31a09d347014 // indirect
-	google.golang.org/grpc v1.61.0 // indirect
+	google.golang.org/grpc v1.61.1 // indirect
 	google.golang.org/protobuf v1.32.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

go.sum

@@ -2,12 +2,16 @@ github.com/agoda-com/opentelemetry-go/otelslog v0.1.1 h1:6nV8PZCzySHuh9kP/HZ2OJq
 github.com/agoda-com/opentelemetry-go/otelslog v0.1.1/go.mod h1:CSc0veIcY/HsIfH7l5PGtIpRvBttk09QUQlweVkD2PI=
 github.com/agoda-com/opentelemetry-logs-go v0.4.3 h1:dYAx/q9di+/Pv6HuGq59DFIOjqKT0LTy3PYTIz8ccq8=
 github.com/agoda-com/opentelemetry-logs-go v0.4.3/go.mod h1:gPQ0fHqroxNP2DlQFZt29/pfqGiP2m6Q5CCxEgLo6yQ=
+github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
+github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/brunomvsouza/singleflight v0.4.0 h1:9dNcTeYoXSus3xbZEM0EEZ11EcCRjUZOvVW8rnDMG5Y=
 github.com/brunomvsouza/singleflight v0.4.0/go.mod h1:8RYo9j5WQRupmsnUz5DlUWZxDLNi+t9Zhj3EZFmns7I=
 github.com/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=
 github.com/cenkalti/backoff/v4 v4.2.1/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/certifi/gocertifi v0.0.0-20210507211836-431795d63e8d h1:S2NE3iHSwP0XV47EEXL8mWmRdEfGscSJ+7EgePNgt0s=
 github.com/certifi/gocertifi v0.0.0-20210507211836-431795d63e8d/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -70,6 +74,8 @@ github.com/leodido/go-urn v1.2.4 h1:XlAE/cm/ms7TE/VMVoduSpNBoyc2dOxHs5MZSwAN63Q=
 github.com/leodido/go-urn v1.2.4/go.mod h1:7ZrI8mTSeBSHl/UaRyKQW1qZeMgak41ANeCNaVckg+4=
 github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0VQdvPDY=
 github.com/magiconair/properties v1.8.7/go.mod h1:Dhd985XPs7jluiymwWYZ0G4Z61jb3vdS329zhj2hYo0=
+github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 h1:jWpvCLoY8Z/e3VKvlsiIGKtc+UG6U5vzxaoagmhXfyg=
+github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0/go.mod h1:QUyp042oQthUoa9bqDv0ER0wrtXnBruoNd7aNjkbP+k=
 github.com/mediocregopher/radix/v4 v4.1.4 h1:Uze6DEbEAvL+VHXUEu/EDBTkUk5CLct5h3nVSGpc6Ts=
 github.com/mediocregopher/radix/v4 v4.1.4/go.mod h1:ajchozX/6ELmydxWeWM6xCFHVpZ4+67LXHOTOVR0nCE=
 github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
@@ -83,6 +89,14 @@ github.com/pelletier/go-toml/v2 v2.1.1/go.mod h1:tJU2Z3ZkXwnxa4DPO899bsyIoywizdU
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/prometheus/client_golang v1.18.0 h1:HzFfmkOzH5Q8L8G+kSJKUx5dtG87sewO+FoDDqP5Tbk=
+github.com/prometheus/client_golang v1.18.0/go.mod h1:T+GXkCk5wSJyOqMIzVgvvjFDlkOQntgjkJWKrN5txjA=
+github.com/prometheus/client_model v0.6.0 h1:k1v3CzpSRUTrKMppY35TLwPvxHqBu0bYgxZzqGIgaos=
+github.com/prometheus/client_model v0.6.0/go.mod h1:NTQHnmxFpouOD0DpvP4XujX3CdOAGQPoaGhyTchlyt8=
+github.com/prometheus/common v0.45.0 h1:2BGz0eBc2hdMDLnO/8n0jeB3oPrt2D08CekT0lneoxM=
+github.com/prometheus/common v0.45.0/go.mod h1:YJmSTw9BoKxJplESWWxlbyttQR4uaEcGyv9MZjVOJsY=
+github.com/prometheus/procfs v0.12.0 h1:jluTpSng7V9hY0O2R9DzzJHYb2xULk9VTR1V1R/k6Bo=
+github.com/prometheus/procfs v0.12.0/go.mod h1:pcuDEFsWDnvcgNzo4EEweacyhjeA9Zk3cnaOZAZEfOo=
 github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
 github.com/rogpeppe/go-internal v1.11.0/go.mod h1:ddIwULY96R17DhadqLgMfk9H9tvdUzkipdSkR5nkCZA=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
@@ -118,32 +132,42 @@ github.com/tilinna/clock v1.0.2 h1:6BO2tyAC9JbPExKH/z9zl44FLu1lImh3nDNKA0kgrkI=
 github.com/tilinna/clock v1.0.2/go.mod h1:ZsP7BcY7sEEz7ktc0IVy8Us6boDrK8VradlKRUGfOao=
 github.com/valyala/fastjson v1.6.4 h1:uAUNq9Z6ymTgGhcm0UynUAB6tlbakBrz6CQFax3BXVQ=
 github.com/valyala/fastjson v1.6.4/go.mod h1:CLCAqky6SMuOcxStkYQvblddUtoRxhYMGLrsQns1aXY=
+go.opentelemetry.io/contrib/exporters/autoexport v0.49.0 h1:SPuRs5SgCd9loXBBY5HuZsyuweowIs6ADg9UtStEv+k=
+go.opentelemetry.io/contrib/exporters/autoexport v0.49.0/go.mod h1:BDsrww+PTgwfvBjsZQMstsE1n5dS3hDCtAfYG1t3wag=
 go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux v0.48.0 h1:7rkdNoXgScpSUIqBch/VOB24fk9g0wl3Tr5WPtshi9o=
 go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux v0.48.0/go.mod h1:U3t9uswWhDzieXHMNWP6zk87J4HNondiibKMdNLpnMk=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.48.0 h1:doUP+ExOpH3spVTLS0FcWGLnQrPct/hD/bCPbDRUEAU=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.48.0/go.mod h1:rdENBZMT2OE6Ne/KLwpiXudnAsbdrdBaqBvTN8M8BgA=
 go.opentelemetry.io/contrib/instrumentation/runtime v0.48.0 h1:dJlCKeq+zmO5Og4kgxqPvvJrzuD/mygs1g/NYM9dAsU=
 go.opentelemetry.io/contrib/instrumentation/runtime v0.48.0/go.mod h1:p+hpBCpLHpuUrR0lHgnHbUnbCBll1IhrcMIlycC+xYs=
-go.opentelemetry.io/otel v1.23.1 h1:Za4UzOqJYS+MUczKI320AtqZHZb7EqxO00jAHE0jmQY=
+go.opentelemetry.io/otel v1.24.0 h1:0LAOdjNmQeSTzGBzduGe/rU4tZhMwL5rWgtp9Ku5Jfo=
-go.opentelemetry.io/otel v1.23.1/go.mod h1:Td0134eafDLcTS4y+zQ26GE8u3dEuRBiBCTUIRHaikA=
+go.opentelemetry.io/otel v1.24.0/go.mod h1:W7b9Ozg4nkF5tWI5zsXkaKKDjdVjpD4oAt9Qi/MArHo=
-go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.23.1 h1:q/Nj5/2TZRIt6PderQ9oU0M00fzoe8UZuINGw6ETGTw=
+go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.24.0 h1:f2jriWfOdldanBwS9jNBdeOKAQN7b4ugAMaNu1/1k9g=
-go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.23.1/go.mod h1:DTE9yAu6r08jU3xa68GiSeI7oRcSEQ2RpKbbQGO+dWM=
+go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.24.0/go.mod h1:B+bcQI1yTY+N0vqMpoZbEN7+XU4tNM0DmUiOwebFJWI=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.23.1 h1:o8iWeVFa1BcLtVEV0LzrCxV2/55tB3xLxADr6Kyoey4=
+go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.24.0 h1:mM8nKi6/iFQ0iqst80wDHU2ge198Ye/TfN0WBS5U24Y=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.23.1/go.mod h1:SEVfdK4IoBnbT2FXNM/k8yC08MrfbhWk3U4ljM8B3HE=
+go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.24.0/go.mod h1:0PrIIzDteLSmNyxqcGYRL4mDIo8OTuBAOI/Bn1URxac=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.23.1 h1:cfuy3bXmLJS7M1RZmAL6SuhGtKUp2KEsrm00OlAXkq4=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.24.0 h1:t6wl9SPayj+c7lEIFgm4ooDBZVb01IhLB4InpomhRw8=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.23.1/go.mod h1:22jr92C6KwlwItJmQzfixzQM3oyyuYLCfHiMY+rpsPU=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.24.0/go.mod h1:iSDOcsnSA5INXzZtwaBPrKp/lWu/V14Dd+llD0oI2EA=
-go.opentelemetry.io/otel/metric v1.23.1 h1:PQJmqJ9u2QaJLBOELl1cxIdPcpbwzbkjfEyelTl2rlo=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.24.0 h1:Mw5xcxMwlqoJd97vwPxA8isEaIoxsta9/Q51+TTJLGE=
-go.opentelemetry.io/otel/metric v1.23.1/go.mod h1:mpG2QPlAfnK8yNhNJAxDZruU9Y1/HubbC+KyH8FaCWI=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.24.0/go.mod h1:CQNu9bj7o7mC6U7+CA/schKEYakYXWr79ucDHTMGhCM=
-go.opentelemetry.io/otel/sdk v1.23.1 h1:O7JmZw0h76if63LQdsBMKQDWNb5oEcOThG9IrxscV+E=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.24.0 h1:Xw8U6u2f8DK2XAkGRFV7BBLENgnTGX9i4rQRxJf+/vs=
-go.opentelemetry.io/otel/sdk v1.23.1/go.mod h1:LzdEVR5am1uKOOwfBWFef2DCi1nu3SA8XQxx2IerWFk=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.24.0/go.mod h1:6KW1Fm6R/s6Z3PGXwSJN2K4eT6wQB3vXX6CVnYX9NmM=
-go.opentelemetry.io/otel/sdk/metric v1.23.1 h1:T9/8WsYg+ZqIpMWwdISVVrlGb/N0Jr1OHjR/alpKwzg=
+go.opentelemetry.io/otel/exporters/prometheus v0.46.0 h1:I8WIFXR351FoLJYuloU4EgXbtNX2URfU/85pUPheIEQ=
-go.opentelemetry.io/otel/sdk/metric v1.23.1/go.mod h1:8WX6WnNtHCgUruJ4TJ+UssQjMtpxkpX0zveQC8JG/E0=
+go.opentelemetry.io/otel/exporters/prometheus v0.46.0/go.mod h1:ztwVUHe5DTR/1v7PeuGRnU5Bbd4QKYwApWmuutKsJSs=
-go.opentelemetry.io/otel/trace v1.23.1 h1:4LrmmEd8AU2rFvU1zegmvqW7+kWarxtNOPyeL6HmYY8=
+go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.24.0 h1:JYE2HM7pZbOt5Jhk8ndWZTUWYOVift2cHjXVMkPdmdc=
-go.opentelemetry.io/otel/trace v1.23.1/go.mod h1:4IpnpJFwr1mo/6HL8XIPJaE9y0+u1KcVmuW7dwFSVrI=
+go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.24.0/go.mod h1:yMb/8c6hVsnma0RpsBMNo0fEiQKeclawtgaIaOp2MLY=
+go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.24.0 h1:s0PHtIkN+3xrbDOpt2M8OTG92cWqUESvzh2MxiR5xY8=
+go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.24.0/go.mod h1:hZlFbDbRt++MMPCCfSJfmhkGIWnX1h3XjkfxZUjLrIA=
+go.opentelemetry.io/otel/metric v1.24.0 h1:6EhoGWWK28x1fbpA4tYTOWBkPefTDQnb8WSGXlc88kI=
+go.opentelemetry.io/otel/metric v1.24.0/go.mod h1:VYhLe1rFfxuTXLgj4CBiyz+9WYBA8pNGJgDcSFRKBco=
+go.opentelemetry.io/otel/sdk v1.24.0 h1:YMPPDNymmQN3ZgczicBY3B6sf9n62Dlj9pWD3ucgoDw=
+go.opentelemetry.io/otel/sdk v1.24.0/go.mod h1:KVrIYw6tEubO9E96HQpcmpTKDVn9gdv35HoYiQWGDFg=
+go.opentelemetry.io/otel/sdk/metric v1.24.0 h1:yyMQrPzF+k88/DbH7o4FMAs80puqd+9osbiBrJrz/w8=
+go.opentelemetry.io/otel/sdk/metric v1.24.0/go.mod h1:I6Y5FjH6rvEnTTAYQz3Mmv2kl6Ek5IIrmwTLqMrrOE0=
+go.opentelemetry.io/otel/trace v1.24.0 h1:CsKnnL4dUAr/0llH9FKuc698G04IrpWV0MQA/Y1YELI=
+go.opentelemetry.io/otel/trace v1.24.0/go.mod h1:HPc3Xr/cOApsBI154IU0OI0HJexz+aw5uPdbs3UCjNU=
 go.opentelemetry.io/proto/otlp v1.1.0 h1:2Di21piLrCqJ3U3eXGCTPHE9R8Nh+0uglSnOyxikMeI=
 go.opentelemetry.io/proto/otlp v1.1.0/go.mod h1:GpBHCBWiqvVLDqmHZsoMM3C5ySeKTC7ej/RNTae6MdY=
-go.uber.org/goleak v1.2.1 h1:NBol2c7O1ZokfZ0LEU9K6Whx/KnwvepVetCUhtKja4A=
+go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
-go.uber.org/goleak v1.2.1/go.mod h1:qlT2yGI9QafXHhZZLxlSuNsMw3FFLxBr+tBRlmO1xH4=
+go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
 golang.org/x/crypto v0.19.0 h1:ENy+Az/9Y1vSrlrvBSyna3PITt4tiZLf7sgCjZBX7Wo=
@@ -165,8 +189,8 @@ google.golang.org/genproto/googleapis/api v0.0.0-20240205150955-31a09d347014 h1:
 google.golang.org/genproto/googleapis/api v0.0.0-20240205150955-31a09d347014/go.mod h1:rbHMSEDyoYX62nRVLOCc4Qt1HbsdytAYoVwgjiOhF3I=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240205150955-31a09d347014 h1:FSL3lRCkhaPFxqi0s9o+V4UI2WTzAVOvkgbd4kVV4Wg=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240205150955-31a09d347014/go.mod h1:SaPjaZGWb0lPqs6Ittu0spdfrOArqji4ZdeP5IC/9N4=
-google.golang.org/grpc v1.61.0 h1:TOvOcuXn30kRao+gfcvsebNEa5iZIiLkisYEkf7R7o0=
+google.golang.org/grpc v1.61.1 h1:kLAiWrZs7YeDM6MumDe7m3y4aM6wacLzM1Y/wiLP9XY=
-google.golang.org/grpc v1.61.0/go.mod h1:VUbo7IFqmF1QtCAstipjG0GIoq49KvMe9+h1jFLBNJs=
+google.golang.org/grpc v1.61.1/go.mod h1:VUbo7IFqmF1QtCAstipjG0GIoq49KvMe9+h1jFLBNJs=
 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 v1.32.0 h1:pPC6BG5ex8PDFnkbrGU3EixyhKcQ2aDuBS36lqK/C7I=

internal/cmd/serve.go

@@ -33,23 +33,25 @@ func startServer(modules ...string) error {
 		return err
 	}
 
-	shutdownOtel, err := otel.SetupOTelSDK(globalCtx)
-	defer func() {
-		err := shutdownOtel(context.Background())
-		if err != nil {
-			slog.Error("Unable to shutdown OpenTelemetry", slog.Any("error", err))
-		}
-	}()
-	if err != nil {
-		return err
-	}
-
 	var config *viper.Viper
 	err = container.Resolve(&config)
 	if err != nil {
 		return err
 	}
 
+	if !config.GetBool("otel.sdk.disabled") {
+		shutdownOtel, err := otel.SetupOTelSDK(globalCtx)
+		defer func() {
+			err := shutdownOtel(context.Background())
+			if err != nil {
+				slog.Error("Unable to shutdown OpenTelemetry", slog.Any("error", err))
+			}
+		}()
+		if err != nil {
+			return err
+		}
+	}
+
 	config.Set("modules", modules)
 
 	err = container.Invoke(http.StartServer)

internal/di/httpClient.go

@@ -4,7 +4,6 @@ import (
 	"net/http"
 
 	"github.com/defval/di"
-	"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
 )
 
 var httpClientDiOptions = di.Options(
@@ -12,7 +11,5 @@ var httpClientDiOptions = di.Options(
 )
 
 func newHttpClient() *http.Client {
-	return &http.Client{
+	return &http.Client{}
-		Transport: otelhttp.NewTransport(http.DefaultTransport),
-	}
 }

internal/di/mojang.go

@@ -82,8 +82,6 @@ func newMojangTexturesBatchUUIDsProvider(
 	config.SetDefault("queue.batch_size", 10)
 	config.SetDefault("queue.strategy", "periodic")
 
-	// TODO: healthcheck is broken
-
 	return mojang.NewBatchUuidsProvider(
 		mojangApi.UsernamesToUuids,
 		config.GetInt("queue.batch_size"),

internal/mojang/batch_uuids_provider.go

@@ -111,7 +111,7 @@ func (p *BatchUuidsProvider) fireRequest() {
 	for {
 		foundJobs, left := p.queue.Dequeue(n)
 		for i := range foundJobs {
-			p.metrics.QueueTime.Record(reqCtx, float64(time.Since(foundJobs[i].QueuingTime)))
+			p.metrics.QueueTime.Record(reqCtx, float64(time.Since(foundJobs[i].QueuingTime).Milliseconds()))
 			if foundJobs[i].Ctx.Err() != nil {
 				// If the job context has already ended, its result will be returned in the GetUuid method
 				close(foundJobs[i].ResultChan)
@@ -139,6 +139,7 @@ func (p *BatchUuidsProvider) fireRequest() {
 		usernames[i] = job.Username
 	}
 
+	p.metrics.Requests.Add(reqCtx, 1)
 	p.metrics.BatchSize.Record(reqCtx, int64(len(usernames)))
 
 	profiles, err := p.UsernamesToUuidsEndpoint(reqCtx, usernames)
@@ -165,9 +166,23 @@ func newBatchUuidsProviderMetrics(meter metric.Meter, queue *utils.Queue[*job])
 	m := &batchUuidsProviderMetrics{}
 	var errors, err error
 
+	m.Requests, err = meter.Int64Counter(
+		"uuids.batch.request.sent",
+		metric.WithDescription("Number of UUIDs requests sent to Mojang API"),
+		metric.WithUnit("1"),
+	)
+	errors = multierr.Append(errors, err)
+
+	m.BatchSize, err = meter.Int64Histogram(
+		"uuids.batch.request.batch_size",
+		metric.WithDescription("The number of usernames in the query"),
+		metric.WithUnit("1"),
+	)
+	errors = multierr.Append(errors, err)
+
 	m.QueueLength, err = meter.Int64ObservableGauge(
-		"queue.length",             // TODO: look for better naming
+		"uuids.batch.queue.length",
-		metric.WithDescription(""), // TODO: description
+		metric.WithDescription("Number of tasks in the queue waiting for execution"),
 		metric.WithInt64Callback(func(_ context.Context, o metric.Int64Observer) error {
 			o.Observe(int64(queue.Len()))
 			return nil
@@ -176,23 +191,18 @@ func newBatchUuidsProviderMetrics(meter metric.Meter, queue *utils.Queue[*job])
 	errors = multierr.Append(errors, err)
 
 	m.QueueTime, err = meter.Float64Histogram(
-		"queue.duration",
+		"uuids.batch.queue.lag",
-		metric.WithDescription(""), // TODO: description
+		metric.WithDescription("Lag between placing a job in the queue and starting its processing"),
 		metric.WithUnit("ms"),
 	)
-
-	m.BatchSize, err = meter.Int64Histogram(
-		"batch.size",
-		metric.WithDescription(""), // TODO: write description
-		metric.WithUnit("1"),
-	)
 	errors = multierr.Append(errors, err)
 
 	return m, errors
 }
 
 type batchUuidsProviderMetrics struct {
+	Requests    metric.Int64Counter
+	BatchSize   metric.Int64Histogram
 	QueueLength metric.Int64ObservableGauge
 	QueueTime   metric.Float64Histogram
-	BatchSize   metric.Int64Histogram
 }

internal/mojang/client.go

@@ -77,7 +77,6 @@ func (c *MojangApi) UsernamesToUuids(ctx context.Context, usernames []string) ([
 // Obtains textures information for provided uuid
 // See https://wiki.vg/Mojang_API#UUID_-.3E_Profile_.2B_Skin.2FCape
 func (c *MojangApi) UuidToTextures(ctx context.Context, uuid string, signed bool) (*ProfileResponse, error) {
-	// TODO: normalize request url for tracing
 	normalizedUuid := strings.ReplaceAll(uuid, "-", "")
 	url := c.profileUrl + normalizedUuid
 	if signed {

internal/mojang/provider.go

@@ -59,7 +59,13 @@ func (p *MojangTexturesProvider) GetForUsername(ctx context.Context, username st
 	username = strings.ToLower(username)
 
 	result, err, shared := p.group.Do(username, func() (*ProfileResponse, error) {
-		profile, err := p.UuidsProvider.GetUuid(ctx, username)
+		var profile *ProfileInfo
+		var textures *ProfileResponse
+		var err error
+
+		defer p.recordMetrics(ctx, profile, textures, err)
+
+		profile, err = p.UuidsProvider.GetUuid(ctx, username)
 		if err != nil {
 			return nil, err
 		}
@@ -68,28 +74,36 @@ func (p *MojangTexturesProvider) GetForUsername(ctx context.Context, username st
 			return nil, nil
 		}
 
-		return p.TexturesProvider.GetTextures(ctx, profile.Id)
+		textures, err = p.TexturesProvider.GetTextures(ctx, profile.Id)
+
+		return textures, err
 	})
 
-	p.recordMetrics(ctx, shared, result, err)
-
-	return result, err
-}
-
-func (p *MojangTexturesProvider) recordMetrics(ctx context.Context, shared bool, result *ProfileResponse, err error) {
 	if shared {
 		p.metrics.Shared.Add(ctx, 1)
 	}
 
+	return result, err
+}
+
+func (p *MojangTexturesProvider) recordMetrics(ctx context.Context, profile *ProfileInfo, textures *ProfileResponse, err error) {
 	if err != nil {
 		p.metrics.Failed.Add(ctx, 1)
 		return
 	}
 
-	if result != nil {
+	if profile == nil {
-		p.metrics.Found.Add(ctx, 1)
+		p.metrics.UsernameMissed.Add(ctx, 1)
+		p.metrics.TextureMissed.Add(ctx, 1)
+
+		return
+	}
+
+	p.metrics.UsernameFound.Add(ctx, 1)
+	if textures != nil {
+		p.metrics.TextureFound.Add(ctx, 1)
 	} else {
-		p.metrics.Missed.Add(ctx, 1)
+		p.metrics.TextureMissed.Add(ctx, 1)
 	}
 }
 
@@ -104,27 +118,45 @@ func newProviderMetrics(meter metric.Meter) (*providerMetrics, error) {
 	m := &providerMetrics{}
 	var errors, err error
 
-	m.Found, err = meter.Int64Counter(
+	m.UsernameFound, err = meter.Int64Counter(
-		"results.found",
+		"provider.username_found",
-		metric.WithDescription(""), // TODO: description
+		metric.WithDescription("Number of queries for which username was found"),
+		metric.WithUnit("1"),
 	)
 	errors = multierr.Append(errors, err)
 
-	m.Missed, err = meter.Int64Counter(
+	m.UsernameMissed, err = meter.Int64Counter(
-		"results.missed",
+		"provider.username_missed",
-		metric.WithDescription(""), // TODO: description
+		metric.WithDescription("Number of queries for which username was not found"),
+		metric.WithUnit("1"),
+	)
+	errors = multierr.Append(errors, err)
+
+	m.TextureFound, err = meter.Int64Counter(
+		"provider.textures_found",
+		metric.WithDescription("Number of queries for which textures were successfully found"),
+		metric.WithUnit("1"),
+	)
+	errors = multierr.Append(errors, err)
+
+	m.TextureMissed, err = meter.Int64Counter(
+		"provider.textures_missed",
+		metric.WithDescription("Number of queries for which no textures were found"),
+		metric.WithUnit("1"),
 	)
 	errors = multierr.Append(errors, err)
 
 	m.Failed, err = meter.Int64Counter(
-		"results.failed",
+		"provider.failed",
-		metric.WithDescription(""), // TODO: description
+		metric.WithDescription("Number of requests that ended in an error"),
+		metric.WithUnit("1"),
 	)
 	errors = multierr.Append(errors, err)
 
 	m.Shared, err = meter.Int64Counter(
-		"singleflight.shared",
+		"provider.singleflight.shared",
-		metric.WithDescription(""), // TODO: description
+		metric.WithDescription("Number of requests that are already being processed in another thread"),
+		metric.WithUnit("1"),
 	)
 	errors = multierr.Append(errors, err)
 
@@ -132,8 +164,10 @@ func newProviderMetrics(meter metric.Meter) (*providerMetrics, error) {
 }
 
 type providerMetrics struct {
-	Found  metric.Int64Counter
+	UsernameFound  metric.Int64Counter
-	Missed metric.Int64Counter
+	UsernameMissed metric.Int64Counter
-	Failed metric.Int64Counter
+	TextureFound   metric.Int64Counter
-	Shared metric.Int64Counter
+	TextureMissed  metric.Int64Counter
+	Failed         metric.Int64Counter
+	Shared         metric.Int64Counter
 }

internal/mojang/textures_provider.go

@@ -100,8 +100,8 @@ func newMojangApiTexturesProviderMetrics(meter metric.Meter) (*mojangApiTextures
 	var errors, err error
 
 	m.Requests, err = meter.Int64Counter(
-		"textures.requests",
+		"textures.request.sent",
-		metric.WithDescription(""), // TODO: write description
+		metric.WithDescription("Number of textures requests sent to Mojang API"),
 		metric.WithUnit("1"),
 	)
 	errors = multierr.Append(errors, err)
@@ -119,14 +119,14 @@ func newTexturesProviderWithInMemoryCacheMetrics(meter metric.Meter) (*texturesP
 
 	m.Hits, err = meter.Int64Counter(
 		"textures.cache.hit",
-		metric.WithDescription(""), // TODO: write description
+		metric.WithDescription("Number of Mojang textures found in the local cache"),
 		metric.WithUnit("1"),
 	)
 	errors = multierr.Append(errors, err)
 
 	m.Misses, err = meter.Int64Counter(
 		"textures.cache.miss",
-		metric.WithDescription(""), // TODO: write description
+		metric.WithDescription("Number of Mojang textures missing from local cache"),
 		metric.WithUnit("1"),
 	)
 	errors = multierr.Append(errors, err)

internal/mojang/uuids_provider.go

@@ -89,14 +89,14 @@ func newUuidsProviderWithCacheMetrics(meter metric.Meter) (*uuidsProviderWithCac
 
 	m.Hits, err = meter.Int64Counter(
 		"uuids.cache.hit",
-		metric.WithDescription(""), // TODO: write description
+		metric.WithDescription("Number of Mojang UUIDs found in the local cache"),
 		metric.WithUnit("1"),
 	)
 	errors = multierr.Append(errors, err)
 
 	m.Misses, err = meter.Int64Counter(
 		"uuids.cache.miss",
-		metric.WithDescription(""), // TODO: write description
+		metric.WithDescription("Number of Mojang UUIDs missing from local cache"),
 		metric.WithUnit("1"),
 	)
 	errors = multierr.Append(errors, err)

internal/otel/setup.go

@@ -8,13 +8,11 @@ import (
 
 	"github.com/agoda-com/opentelemetry-go/otelslog"
 	logsOtel "github.com/agoda-com/opentelemetry-logs-go"
-	"github.com/agoda-com/opentelemetry-logs-go/exporters/otlp/otlplogs"
+	logsAutoconfig "github.com/agoda-com/opentelemetry-logs-go/autoconfigure/sdk/logs"
 	"github.com/agoda-com/opentelemetry-logs-go/sdk/logs"
-	logsSdk "github.com/agoda-com/opentelemetry-logs-go/sdk/logs"
+	"go.opentelemetry.io/contrib/exporters/autoexport"
 	runtimeMetrics "go.opentelemetry.io/contrib/instrumentation/runtime"
 	"go.opentelemetry.io/otel"
-	"go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp"
-	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"
 	"go.opentelemetry.io/otel/propagation"
 	"go.opentelemetry.io/otel/sdk/metric"
 	"go.opentelemetry.io/otel/sdk/resource"
@@ -122,43 +120,29 @@ func newResource(ctx context.Context) (*resource.Resource, error) {
 }
 
 func newLoggerProvider(ctx context.Context, res *resource.Resource) (*logs.LoggerProvider, error) {
-	exporter, err := otlplogs.NewExporter(ctx)
+	return logsAutoconfig.NewLoggerProvider(ctx, logsAutoconfig.WithResource(res)), nil
-	if err != nil {
-		return nil, err
-	}
-
-	loggerProvider := logsSdk.NewLoggerProvider(
-		logsSdk.WithBatcher(exporter),
-		logsSdk.WithResource(res),
-	)
-
-	return loggerProvider, nil
 }
 
 func newTraceProvider(ctx context.Context, res *resource.Resource) (*trace.TracerProvider, error) {
-	traceExporter, err := otlptracehttp.New(ctx)
+	exporter, err := autoexport.NewSpanExporter(ctx)
 	if err != nil {
 		return nil, err
 	}
 
-	traceProvider := trace.NewTracerProvider(
+	return trace.NewTracerProvider(
+		trace.WithBatcher(exporter),
 		trace.WithResource(res),
-		trace.WithBatcher(traceExporter),
+	), nil
-	)
-
-	return traceProvider, nil
 }
 
 func newMeterProvider(ctx context.Context, res *resource.Resource) (*metric.MeterProvider, error) {
-	metricExporter, err := otlpmetrichttp.New(ctx)
+	reader, err := autoexport.NewMetricReader(ctx)
 	if err != nil {
 		return nil, err
 	}
 
-	meterProvider := metric.NewMeterProvider(
+	return metric.NewMeterProvider(
+		metric.WithReader(reader),
 		metric.WithResource(res),
-		metric.WithReader(metric.NewPeriodicReader(metricExporter)),
+	), nil
-	)
-
-	return meterProvider, nil
 }