feat: sentry integration

ref #3

internal/config/admin_server.go

@@ -5,6 +5,7 @@ type AdminServerConfig struct {
 	CORS    CORSConfig    `yaml:"cors"`
 	Auth    AuthConfig    `yaml:"auth"`
 	Metrics MetricsConfig `yaml:"metrics"`
+	Sentry  SentryConfig  `yaml:"sentry"`
 }
 
 func NewDefaultAdminServerConfig() AdminServerConfig {
@@ -13,6 +14,7 @@ func NewDefaultAdminServerConfig() AdminServerConfig {
 		CORS:    NewDefaultCORSConfig(),
 		Auth:    NewDefaultAuthConfig(),
 		Metrics: NewDefaultMetricsConfig(),
+		Sentry:  NewDefaultSentryConfig(),
 	}
 }
 

internal/config/environment.go

@@ -53,6 +53,29 @@ func (ii *InterpolatedInt) UnmarshalYAML(value *yaml.Node) error {
 	return nil
 }
 
+type InterpolatedFloat float64
+
+func (ifl *InterpolatedFloat) UnmarshalYAML(value *yaml.Node) error {
+	var str string
+
+	if err := value.Decode(&str); err != nil {
+		return errors.Wrapf(err, "could not decode value '%v' (line '%d') into string", value.Value, value.Line)
+	}
+
+	if match := reVar.FindStringSubmatch(str); len(match) > 0 {
+		str = os.Getenv(match[1])
+	}
+
+	floatVal, err := strconv.ParseFloat(str, 10)
+	if err != nil {
+		return errors.Wrapf(err, "could not parse float '%v',  line '%d'", str, value.Line)
+	}
+
+	*ifl = InterpolatedFloat(floatVal)
+
+	return nil
+}
+
 type InterpolatedBool bool
 
 func (ib *InterpolatedBool) UnmarshalYAML(value *yaml.Node) error {

internal/config/proxy_server.go

@@ -7,6 +7,7 @@ type ProxyServerConfig struct {
 	Metrics   MetricsConfig   `yaml:"metrics"`
 	Transport TransportConfig `yaml:"transport"`
 	Dial      DialConfig      `yaml:"dial"`
+	Sentry    SentryConfig    `yaml:"sentry"`
 }
 
 // See https://pkg.go.dev/net/http#Transport
@@ -32,6 +33,7 @@ func NewDefaultProxyServerConfig() ProxyServerConfig {
 		Metrics:   NewDefaultMetricsConfig(),
 		Transport: NewDefaultTransportConfig(),
 		Dial:      NewDefaultDialConfig(),
+		Sentry:    NewDefaultSentryConfig(),
 	}
 }
 

internal/config/sentry.go

@@ -0,0 +1,43 @@
+package config
+
+import "time"
+
+// Sentry configuration
+// See https://pkg.go.dev/github.com/getsentry/sentry-go?utm_source=godoc#ClientOptions
+type SentryConfig struct {
+	DSN                InterpolatedString      `yaml:"dsn"`
+	Debug              InterpolatedBool        `yaml:"debug"`
+	FlushTimeout       *InterpolatedDuration   `yaml:"flushTimeout"`
+	AttachStacktrace   InterpolatedBool        `yaml:"attachStacktrace"`
+	SampleRate         InterpolatedFloat       `yaml:"sampleRate"`
+	EnableTracing      InterpolatedBool        `yaml:"enableTracing"`
+	TracesSampleRate   InterpolatedFloat       `yaml:"tracesSampleRate"`
+	ProfilesSampleRate InterpolatedFloat       `yaml:"profilesSampleRate"`
+	IgnoreErrors       InterpolatedStringSlice `yaml:"ignoreErrors"`
+	SendDefaultPII     InterpolatedBool        `yaml:"sendDefaultPII"`
+	ServerName         InterpolatedString      `yaml:"serverName"`
+	Environment        InterpolatedString      `yaml:"environment"`
+	MaxBreadcrumbs     InterpolatedInt         `yaml:"maxBreadcrumbs"`
+	MaxSpans           InterpolatedInt         `yaml:"maxSpans"`
+	MaxErrorDepth      InterpolatedInt         `yaml:"maxErrorDepth"`
+}
+
+func NewDefaultSentryConfig() SentryConfig {
+	return SentryConfig{
+		DSN:                "",
+		Debug:              false,
+		FlushTimeout:       NewInterpolatedDuration(2 * time.Second),
+		AttachStacktrace:   true,
+		SampleRate:         1,
+		EnableTracing:      true,
+		TracesSampleRate:   0.2,
+		ProfilesSampleRate: 1,
+		IgnoreErrors:       []string{},
+		SendDefaultPII:     false,
+		ServerName:         "",
+		Environment:        "",
+		MaxBreadcrumbs:     0,
+		MaxSpans:           1000,
+		MaxErrorDepth:      10,
+	}
+}