feat: replace logrus logger with logf

logf is a minimal logger with no dependencies. this commit should
bring down the binary size.

pkg/resolvers/classic.go

@@ -5,7 +5,7 @@ import (
 	"time"
 
 	"github.com/miekg/dns"
-	"github.com/sirupsen/logrus"
+	"github.com/mr-karan/logf"
 )
 
 // ClassicResolver represents the config options for setting up a Resolver.
@@ -66,7 +66,7 @@ func (r *ClassicResolver) Lookup(question dns.Question) (Response, error) {
 		messages = prepareMessages(question, r.resolverOptions.Ndots, r.resolverOptions.SearchList)
 	)
 	for _, msg := range messages {
-		r.resolverOptions.Logger.WithFields(logrus.Fields{
+		r.resolverOptions.Logger.WithFields(logf.Fields{
 			"domain":     msg.Question[0].Name,
 			"ndots":      r.resolverOptions.Ndots,
 			"nameserver": r.server,
@@ -93,7 +93,7 @@ func (r *ClassicResolver) Lookup(question dns.Question) (Response, error) {
 			default:
 				r.client.Net = "tcp"
 			}
-			r.resolverOptions.Logger.WithField("protocol", r.client.Net).Debug("Response truncated; retrying now")
+			r.resolverOptions.Logger.WithFields(logf.Fields{"protocol": r.client.Net}).Debug("Response truncated; retrying now")
 			return r.Lookup(question)
 		}
 

pkg/resolvers/dnscrypt.go

@@ -5,7 +5,7 @@ import (
 
 	"github.com/ameshkov/dnscrypt/v2"
 	"github.com/miekg/dns"
-	"github.com/sirupsen/logrus"
+	"github.com/mr-karan/logf"
 )
 
 // DNSCryptResolver represents the config options for setting up a Resolver.
@@ -49,7 +49,7 @@ func (r *DNSCryptResolver) Lookup(question dns.Question) (Response, error) {
 		messages = prepareMessages(question, r.resolverOptions.Ndots, r.resolverOptions.SearchList)
 	)
 	for _, msg := range messages {
-		r.resolverOptions.Logger.WithFields(logrus.Fields{
+		r.resolverOptions.Logger.WithFields(logf.Fields{
 			"domain":     msg.Question[0].Name,
 			"ndots":      r.resolverOptions.Ndots,
 			"nameserver": r.server,

pkg/resolvers/doh.go

@@ -10,7 +10,7 @@ import (
 	"time"
 
 	"github.com/miekg/dns"
-	"github.com/sirupsen/logrus"
+	"github.com/mr-karan/logf"
 )
 
 // DOHResolver represents the config options for setting up a DOH based resolver.
@@ -49,7 +49,7 @@ func (r *DOHResolver) Lookup(question dns.Question) (Response, error) {
 	)
 
 	for _, msg := range messages {
-		r.resolverOptions.Logger.WithFields(logrus.Fields{
+		r.resolverOptions.Logger.WithFields(logf.Fields{
 			"domain":     msg.Question[0].Name,
 			"ndots":      r.resolverOptions.Ndots,
 			"nameserver": r.server,
@@ -80,15 +80,15 @@ func (r *DOHResolver) Lookup(question dns.Question) (Response, error) {
 			return rsp, fmt.Errorf("error from nameserver %s", resp.Status)
 		}
 		rtt := time.Since(now)
-		// if debug, extract the response headers
-		if r.resolverOptions.Logger.IsLevelEnabled(logrus.DebugLevel) {
-			for header, value := range resp.Header {
-				r.resolverOptions.Logger.WithFields(logrus.Fields{
-					header: value,
-				}).Debug("DOH response header")
-			}
+
+		// Log the response headers in debug mode.
+		for header, value := range resp.Header {
+			r.resolverOptions.Logger.WithFields(logf.Fields{
+				header: value,
+			}).Debug("DOH response header")
 		}
-		// extract the binary response in DNS Message.
+
+		// Extract the binary response in DNS Message.
 		body, err := ioutil.ReadAll(resp.Body)
 		if err != nil {
 			return rsp, err
@@ -98,7 +98,7 @@ func (r *DOHResolver) Lookup(question dns.Question) (Response, error) {
 		if err != nil {
 			return rsp, err
 		}
-		// pack questions in output.
+		// Pack questions in output.
 		for _, q := range msg.Question {
 			ques := Question{
 				Name:  q.Name,
@@ -107,13 +107,13 @@ func (r *DOHResolver) Lookup(question dns.Question) (Response, error) {
 			}
 			rsp.Questions = append(rsp.Questions, ques)
 		}
-		// get the authorities and answers.
+		// Get the authorities and answers.
 		output := parseMessage(&msg, rtt, r.server)
 		rsp.Authorities = output.Authorities
 		rsp.Answers = output.Answers
 
 		if len(output.Answers) > 0 {
-			// stop iterating the searchlist.
+			// Stop iterating the searchlist.
 			break
 		}
 	}

pkg/resolvers/doq.go

@@ -11,7 +11,7 @@ import (
 
 	"github.com/lucas-clemente/quic-go"
 	"github.com/miekg/dns"
-	"github.com/sirupsen/logrus"
+	"github.com/mr-karan/logf"
 )
 
 // DOQResolver represents the config options for setting up a DOQ based resolver.
@@ -47,7 +47,7 @@ func (r *DOQResolver) Lookup(question dns.Question) (Response, error) {
 	defer session.CloseWithError(quic.ApplicationErrorCode(quic.NoError), "")
 
 	for _, msg := range messages {
-		r.resolverOptions.Logger.WithFields(logrus.Fields{
+		r.resolverOptions.Logger.WithFields(logf.Fields{
 			"domain":     msg.Question[0].Name,
 			"ndots":      r.resolverOptions.Ndots,
 			"nameserver": r.server,

pkg/resolvers/resolver.go

@@ -5,13 +5,13 @@ import (
 
 	"github.com/miekg/dns"
 	"github.com/mr-karan/doggo/pkg/models"
-	"github.com/sirupsen/logrus"
+	"github.com/mr-karan/logf"
 )
 
 // Options represent a set of common options
 // to configure a Resolver.
 type Options struct {
-	Logger *logrus.Logger
+	Logger *logf.Logger
 
 	Nameservers        []models.Nameserver
 	UseIPv4            bool

pkg/utils/logger.go

@@ -1,13 +1,12 @@
 package utils
 
-import "github.com/sirupsen/logrus"
+import (
+	"github.com/mr-karan/logf"
+)
 
 // InitLogger initializes logger.
-func InitLogger() *logrus.Logger {
-	logger := logrus.New()
-	logger.SetFormatter(&logrus.TextFormatter{
-		FullTimestamp:          true,
-		DisableLevelTruncation: true,
-	})
+func InitLogger() *logf.Logger {
+	logger := logf.New()
+	logger.SetColorOutput(true)
 	return logger
 }