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feat: adds configurable HTTP request path exclusion from logging

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This commit is contained in:
Ryan McGuire
2025-08-26 14:51:39 -04:00
parent 2310ac574c
commit 063ff0f1d0
3 changed files with 43 additions and 10 deletions
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7
pkg/config/config.go
View File

@@ -10,6 +10,7 @@ import (
"flag"
"fmt"
"os"
"regexp"
"runtime/debug"
"time"
@@ -105,6 +106,12 @@ func prepareConfig(cfg *AppConfig) error {
}
}
// Prepare user-provided expressions, panic up-front if invalid
cfg.HTTP.excludeRegexps = make([]*regexp.Regexp, len(cfg.HTTP.LogExcludePathRegexps))
for i, re := range cfg.HTTP.LogExcludePathRegexps {
cfg.HTTP.excludeRegexps[i] = regexp.MustCompile(re)
}
return errs
}

34
pkg/config/types_http.go
View File

@@ -1,6 +1,10 @@
package config
import "time"
import (
"regexp"
"sync"
"time"
)
var defaultHTTPConfig = &HTTPConfig{
Enabled: true,
@@ -14,13 +18,23 @@ var defaultHTTPConfig = &HTTPConfig{
// HTTPConfig provides HTTP server Configuration
type HTTPConfig struct {
Enabled bool `yaml:"enabled" env:"APP_HTTP_ENABLED" json:"enabled,omitempty"`
Listen string `yaml:"listen,omitempty" env:"APP_HTTP_LISTEN" json:"listen,omitempty"`
LogRequests bool `yaml:"logRequests" env:"APP_HTTP_LOG_REQUESTS" json:"logRequests,omitempty"`
ReadTimeout string `yaml:"readTimeout" env:"APP_HTTP_READ_TIMEOUT" json:"readTimeout,omitempty"` // Go duration (e.g. 10s)
WriteTimeout string `yaml:"writeTimeout" env:"APP_HTTP_WRITE_TIMEOUT" json:"writeTimeout,omitempty"` // Go duration (e.g. 10s)
IdleTimeout string `yaml:"idleTimeout" env:"APP_HTTP_IDLE_TIMEOUT" json:"idleTimeout,omitempty"` // Go duration (e.g. 10s)
rT *time.Duration
wT *time.Duration
iT *time.Duration
Enabled bool `yaml:"enabled" env:"APP_HTTP_ENABLED" json:"enabled,omitempty"`
Listen string `yaml:"listen,omitempty" env:"APP_HTTP_LISTEN" json:"listen,omitempty"`
LogRequests bool `yaml:"logRequests" env:"APP_HTTP_LOG_REQUESTS" json:"logRequests,omitempty"`
LogExcludePathRegexps []string `yaml:"logExcludePathRegexps" env:"APP_HTTP_LOG_EXCLUDE_PATH_REGEXPS" json:"logExcludePathRegexps,omitempty"`
ReadTimeout string `yaml:"readTimeout" env:"APP_HTTP_READ_TIMEOUT" json:"readTimeout,omitempty"` // Go duration (e.g. 10s)
WriteTimeout string `yaml:"writeTimeout" env:"APP_HTTP_WRITE_TIMEOUT" json:"writeTimeout,omitempty"` // Go duration (e.g. 10s)
IdleTimeout string `yaml:"idleTimeout" env:"APP_HTTP_IDLE_TIMEOUT" json:"idleTimeout,omitempty"` // Go duration (e.g. 10s)
excludeRegexps []*regexp.Regexp
rT *time.Duration
wT *time.Duration
iT *time.Duration
lock sync.RWMutex
}
func (h *HTTPConfig) GetExcludeRegexps() []*regexp.Regexp {
h.lock.RLock()
defer h.lock.RUnlock()
return h.excludeRegexps
}

12
pkg/srv/http/http_log.go
View File

@@ -10,6 +10,8 @@ import (
"time"
"github.com/rs/zerolog"
"gitea.libretechconsulting.com/rmcguire/go-app/pkg/config"
)
var ExcludeFromLogging = regexp.MustCompile(`\/(ready|live|metrics)$`)
@@ -21,12 +23,22 @@ type LoggingResponseWriter struct {
}
func loggingMiddleware(appCtx context.Context, next http.Handler) http.Handler {
appConfig := config.MustFromCtx(appCtx)
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if ExcludeFromLogging.Match([]byte(r.URL.Path)) {
next.ServeHTTP(w, r)
return
}
// User-configurable logging exclusions
for _, re := range appConfig.HTTP.GetExcludeRegexps() {
if re.MatchString(r.URL.Path) {
next.ServeHTTP(w, r)
return
}
}
log := zerolog.Ctx(appCtx)
start := time.Now()