From b16ba76509ff59caa82fc6aa334abe9c8a44568b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Wirsztel?= Date: Wed, 23 Apr 2025 09:33:46 +0200 Subject: [PATCH 1/2] WIP opentracing --- api.go | 1 + go.mod | 51 +++++++++++++++++++++++ go.sum | 126 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ main.go | 58 ++++++++++++++++++++------ 4 files changed, 224 insertions(+), 12 deletions(-) diff --git a/api.go b/api.go index acfceef..881034c 100644 --- a/api.go +++ b/api.go @@ -12,6 +12,7 @@ import ( func registerBookHandler(allocCtx context.Context, email string, password string, coworkingName string) func(w http.ResponseWriter, r *http.Request) { return func(w http.ResponseWriter, r *http.Request) { + log.Println("Received booking request", r.Method) if r.Method != http.MethodPost { http.Error(w, "Method not allowed", http.StatusMethodNotAllowed) return diff --git a/go.mod b/go.mod index 848c3ea..d9c454c 100644 --- a/go.mod +++ b/go.mod @@ -3,14 +3,65 @@ module github.com/jeromewir/webook go 1.24.0 require ( + github.com/bytedance/sonic v1.12.10 // indirect + github.com/bytedance/sonic/loader v0.2.3 // indirect + github.com/cenkalti/backoff/v4 v4.3.0 // indirect github.com/chromedp/cdproto v0.0.0-20250210231439-aea867ea8506 // indirect github.com/chromedp/chromedp v0.12.1 // indirect github.com/chromedp/sysutil v1.1.0 // indirect + github.com/cloudwego/base64x v0.1.5 // indirect + github.com/felixge/httpsnoop v1.0.4 // indirect + github.com/gabriel-vasile/mimetype v1.4.8 // indirect + github.com/gin-contrib/sse v1.0.0 // indirect + github.com/gin-gonic/gin v1.10.0 // indirect + github.com/go-logr/logr v1.4.2 // indirect + github.com/go-logr/stdr v1.2.2 // indirect + github.com/go-playground/locales v0.14.1 // indirect + github.com/go-playground/universal-translator v0.18.1 // indirect + github.com/go-playground/validator/v10 v10.25.0 // indirect github.com/gobwas/httphead v0.1.0 // indirect github.com/gobwas/pool v0.2.1 // indirect github.com/gobwas/ws v1.4.0 // indirect + github.com/goccy/go-json v0.10.5 // indirect + github.com/google/uuid v1.6.0 // indirect + github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1 // indirect github.com/joho/godotenv v1.5.1 // indirect github.com/josharian/intern v1.0.0 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/klauspost/cpuid/v2 v2.2.10 // indirect + github.com/leodido/go-urn v1.4.0 // indirect github.com/mailru/easyjson v0.9.0 // indirect + github.com/mattn/go-isatty v0.0.20 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/pelletier/go-toml/v2 v2.2.3 // indirect + github.com/twitchyliquid64/golang-asm v0.15.1 // indirect + github.com/ugorji/go/codec v1.2.12 // indirect + go.opentelemetry.io/auto/sdk v1.1.0 // indirect + go.opentelemetry.io/contrib/bridges/otelslog v0.10.0 // indirect + go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin v0.60.0 // indirect + go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.60.0 // indirect + go.opentelemetry.io/otel v1.35.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.35.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.35.0 // indirect + go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.11.0 // indirect + go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.35.0 // indirect + go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.35.0 // indirect + go.opentelemetry.io/otel/log v0.11.0 // indirect + go.opentelemetry.io/otel/metric v1.35.0 // indirect + go.opentelemetry.io/otel/sdk v1.35.0 // indirect + go.opentelemetry.io/otel/sdk/log v0.11.0 // indirect + go.opentelemetry.io/otel/sdk/metric v1.35.0 // indirect + go.opentelemetry.io/otel/trace v1.35.0 // indirect + go.opentelemetry.io/proto/otlp v1.5.0 // indirect + golang.org/x/arch v0.14.0 // indirect + golang.org/x/crypto v0.33.0 // indirect + golang.org/x/net v0.35.0 // indirect golang.org/x/sys v0.30.0 // indirect + golang.org/x/text v0.22.0 // indirect + google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a // indirect + google.golang.org/grpc v1.71.0 // indirect + google.golang.org/protobuf v1.36.5 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect ) diff --git a/go.sum b/go.sum index a0e549c..3382ccf 100644 --- a/go.sum +++ b/go.sum @@ -1,21 +1,147 @@ +github.com/bytedance/sonic v1.12.10 h1:uVCQr6oS5669E9ZVW0HyksTLfNS7Q/9hV6IVS4nEMsI= +github.com/bytedance/sonic v1.12.10/go.mod h1:uVvFidNmlt9+wa31S1urfwwthTWteBgG0hWuoKAXTx8= +github.com/bytedance/sonic/loader v0.1.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU= +github.com/bytedance/sonic/loader v0.2.3 h1:yctD0Q3v2NOGfSWPLPvG2ggA2kV6TS6s4wioyEqssH0= +github.com/bytedance/sonic/loader v0.2.3/go.mod h1:N8A3vUdtUebEY2/VQC0MyhYeKUFosQU6FxH2JmUe6VI= +github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8= +github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE= github.com/chromedp/cdproto v0.0.0-20250210231439-aea867ea8506 h1:OfjMcN8R6eUWZfKyJaTnlyiZh1BGgmEKmRkCZuDtGRw= github.com/chromedp/cdproto v0.0.0-20250210231439-aea867ea8506/go.mod h1:RTGuBeCeabAJGi3OZf71a6cGa7oYBfBP75VJZFLv6SU= github.com/chromedp/chromedp v0.12.1 h1:kBMblXk7xH5/6j3K9uk8d7/c+fzXWiUsCsPte0VMwOA= github.com/chromedp/chromedp v0.12.1/go.mod h1:F6+wdq9LKFDMoyxhq46ZLz4VLXrsrCAR3sFqJz4Nqc0= github.com/chromedp/sysutil v1.1.0 h1:PUFNv5EcprjqXZD9nJb9b/c9ibAbxiYo4exNWZyipwM= github.com/chromedp/sysutil v1.1.0/go.mod h1:WiThHUdltqCNKGc4gaU50XgYjwjYIhKWoHGPTUfWTJ8= +github.com/cloudwego/base64x v0.1.5 h1:XPciSp1xaq2VCSt6lF0phncD4koWyULpl5bUxbfCyP4= +github.com/cloudwego/base64x v0.1.5/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w= +github.com/cloudwego/iasm v0.2.0/go.mod h1:8rXZaNYT2n95jn+zTI1sDr+IgcD2GVs0nlbbQPiEFhY= +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= +github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg= +github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U= +github.com/gabriel-vasile/mimetype v1.4.8 h1:FfZ3gj38NjllZIeJAmMhr+qKL8Wu+nOoI3GqacKw1NM= +github.com/gabriel-vasile/mimetype v1.4.8/go.mod h1:ByKUIKGjh1ODkGM1asKUbQZOLGrPjydw3hYPU2YU9t8= +github.com/gin-contrib/sse v1.0.0 h1:y3bT1mUWUxDpW4JLQg/HnTqV4rozuW4tC9eFKTxYI9E= +github.com/gin-contrib/sse v1.0.0/go.mod h1:zNuFdwarAygJBht0NTKiSi3jRf6RbqeILZ9Sp6Slhe0= +github.com/gin-gonic/gin v1.10.0 h1:nTuyha1TYqgedzytsKYqna+DfLos46nTv2ygFy86HFU= +github.com/gin-gonic/gin v1.10.0/go.mod h1:4PMNQiOhvDRa013RKVbsiNwoyezlm2rm0uX/T7kzp5Y= +github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= +github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY= +github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY= +github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag= +github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE= +github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA= +github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY= +github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY= +github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY= +github.com/go-playground/validator/v10 v10.25.0 h1:5Dh7cjvzR7BRZadnsVOzPhWsrwUr0nmsZJxEAnFLNO8= 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h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= +github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1 h1:e9Rjr40Z98/clHv5Yg79Is0NtosR5LXRvdr7o/6NwbA= +github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1/go.mod h1:tIxuGz/9mpox++sgp9fJjHO0+q1X9/UOWd798aAm22M= github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0= github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4= github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY= github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y= +github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM= +github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo= +github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg= +github.com/klauspost/cpuid/v2 v2.2.10 h1:tBs3QSyvjDyFTq3uoc/9xFpCuOsJQFNPiAhYdw2skhE= +github.com/klauspost/cpuid/v2 v2.2.10/go.mod 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h1:H0GRtasmQOh9LkFoCPDu3ZrwUtD1YGE+b2vYBYd/8Ec= +google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM= +google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +nullprogram.com/x/optparse v1.0.0/go.mod h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50= diff --git a/main.go b/main.go index c9780f7..f832b7c 100644 --- a/main.go +++ b/main.go @@ -2,37 +2,71 @@ package main import ( "context" + "errors" "log" "net/http" "os" "github.com/chromedp/chromedp" "github.com/joho/godotenv" + "go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp" ) -func main() { - godotenv.Load() +func getCredentials() (string, string, string, error) { + email := os.Getenv("WEWORK_EMAIL") + password := os.Getenv("WEWORK_PASSWORD") + coworkingName := os.Getenv("WEWORK_COWORKING_NAME") + + if email == "" || password == "" || coworkingName == "" { + return "", "", "", errors.New("WEWORK_EMAIL, WEWORK_PASSWORD and WEWORK_CORWORKING_NAME must be set") + } + return email, password, coworkingName, nil +} + +func getChromeAllocator() (context.Context, context.CancelFunc) { opts := append(chromedp.DefaultExecAllocatorOptions[:], chromedp.UserDataDir("./chrome-data"), chromedp.Flag("headless", false), ) - email := os.Getenv("WEWORK_EMAIL") - password := os.Getenv("WEWORK_PASSWORD") - coworkingName := os.Getenv("WEWORK_COWORKING_NAME") + allocCtx, cancel := chromedp.NewExecAllocator(context.Background(), opts...) - if email == "" || password == "" || coworkingName == "" { - log.Fatal("WEWORK_EMAIL, WEWORK_PASSWORD and WEWORK_CORWORKING_NAME must be set") + return allocCtx, cancel +} + +func newHTTPHandler(allocCtx context.Context, email, password, coworkingName string) http.Handler { + mux := http.NewServeMux() + + // Register handlers. + mux.Handle("/api/book", otelhttp.NewHandler(http.HandlerFunc(registerBookHandler(allocCtx, email, password, coworkingName)), "/api/book")) + + // Add HTTP instrumentation for the whole server. + handler := otelhttp.NewHandler(mux, "/") + + return handler +} + +func main() { + godotenv.Load() + + cleanup := initTracer(os.Getenv("OTEL_EXPORTER_OTLP_ENDPOINT"), "webook") + defer cleanup(context.Background()) + + email, password, coworkingName, err := getCredentials() + + if err != nil { + log.Fatal(err) } - allocCtx, cancel := chromedp.NewExecAllocator(context.Background(), opts...) + allocCtx, cancel := getChromeAllocator() defer cancel() - // also set up a custom logger - http.HandleFunc("/api/book", registerBookHandler(allocCtx, email, password, coworkingName)) - log.Println("Starting server on port 8080...") - log.Fatal(http.ListenAndServe(":8080", nil)) + handler := newHTTPHandler(allocCtx, email, password, coworkingName) + + if err := http.ListenAndServe(":8081", handler); err != nil { + log.Fatal(err) + } log.Println("done") } From f67871d7eab4ba5c5a68230b243105e7bb44044a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Wirsztel?= Date: Wed, 23 Apr 2025 09:35:24 +0200 Subject: [PATCH 2/2] Added missing tracing file --- tracing.go | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 tracing.go diff --git a/tracing.go b/tracing.go new file mode 100644 index 0000000..cfced47 --- /dev/null +++ b/tracing.go @@ -0,0 +1,51 @@ +package main + +import ( + "context" + "log" + + "go.opentelemetry.io/otel" + "go.opentelemetry.io/otel/attribute" + "go.opentelemetry.io/otel/exporters/otlp/otlptrace" + "go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc" + "go.opentelemetry.io/otel/sdk/resource" + sdktrace "go.opentelemetry.io/otel/sdk/trace" +) + +func initTracer(collectorURL string, serviceName string) func(context.Context) error { + + var secureOption otlptracegrpc.Option + + secureOption = otlptracegrpc.WithInsecure() + + exporter, err := otlptrace.New( + context.Background(), + otlptracegrpc.NewClient( + secureOption, + otlptracegrpc.WithEndpoint(collectorURL), + ), + ) + + if err != nil { + log.Fatalf("Failed to create exporter: %v", err) + } + resources, err := resource.New( + context.Background(), + resource.WithAttributes( + attribute.String("service.name", serviceName), + attribute.String("library.language", "go"), + ), + ) + if err != nil { + log.Fatalf("Could not set resources: %v", err) + } + + otel.SetTracerProvider( + sdktrace.NewTracerProvider( + sdktrace.WithSampler(sdktrace.AlwaysSample()), + sdktrace.WithBatcher(exporter), + sdktrace.WithResource(resources), + ), + ) + return exporter.Shutdown +}