refactor: remove `model.Request.Log` in favor of use `Context`

model/models.go

@@ -6,7 +6,6 @@ import (
 	"time"
 
 	"github.com/miekg/dns"
-	"github.com/sirupsen/logrus"
 )
 
 // ResponseType represents the type of the response ENUM(
@@ -67,6 +66,5 @@ type Request struct {
 	Protocol        RequestProtocol
 	ClientNames     []string
 	Req             *dns.Msg
-	Log             *logrus.Entry
 	RequestTS       time.Time
 }

resolver/blocking_resolver.go

@@ -588,7 +588,6 @@ func (r *BlockingResolver) queryForFQIdentifierIPs(ctx context.Context, identifi
 	for _, qType := range []uint16{dns.TypeA, dns.TypeAAAA} {
 		resp, err := r.next.Resolve(ctx, &model.Request{
 			Req: util.NewMsgWithQuestion(identifier, dns.Type(qType)),
-			Log: logger,
 		})
 
 		if err == nil && resp.Res.Rcode == dns.RcodeSuccess {

resolver/bootstrap_test.go

@@ -10,10 +10,8 @@ import (
 	"sync/atomic"
 
 	"github.com/0xERR0R/blocky/config"
-	"github.com/0xERR0R/blocky/log"
 	"github.com/0xERR0R/blocky/model"
 	"github.com/0xERR0R/blocky/util"
-	"github.com/sirupsen/logrus"
 	"github.com/stretchr/testify/mock"
 
 	. "github.com/0xERR0R/blocky/helpertest"
@@ -310,7 +308,6 @@ var _ = Describe("Bootstrap", Label("bootstrap"), func() {
 			It("uses the bootstrap upstream", func() {
 				mainReq := &model.Request{
 					Req: util.NewMsgWithQuestion("example.com.", A),
-					Log: logrus.NewEntry(log.Log()),
 				}
 
 				mockUpstreamServer := NewMockUDPUpstreamServer().WithAnswerRR("example.com 123 IN A 123.124.122.122")

resolver/caching_resolver.go

@@ -110,7 +110,7 @@ func (r *CachingResolver) reloadCacheEntry(ctx context.Context, cacheKey string)
 
 	logger.Debugf("prefetching '%s' (%s)", util.Obfuscate(domainName), qType)
 
-	req := newRequest(dns.Fqdn(domainName), qType, logger)
+	req := newRequest(dns.Fqdn(domainName), qType)
 	response, err := r.next.Resolve(ctx, req)
 
 	if err == nil {

resolver/client_names_resolver.go

@@ -63,7 +63,7 @@ func (r *ClientNamesResolver) Resolve(ctx context.Context, request *model.Reques
 	clientNames := r.getClientNames(ctx, request)
 
 	request.ClientNames = clientNames
-	ctx, request.Log = log.CtxWithFields(ctx, logrus.Fields{"client_names": strings.Join(clientNames, "; ")})
+	ctx, _ = log.CtxWithFields(ctx, logrus.Fields{"client_names": strings.Join(clientNames, "; ")})
 
 	return r.next.Resolve(ctx, request)
 }
@@ -128,7 +128,6 @@ func (r *ClientNamesResolver) resolveClientNames(ctx context.Context, ip net.IP)
 
 	resp, err := r.externalResolver.Resolve(ctx, &model.Request{
 		Req: util.NewMsgWithQuestion(reverse, dns.Type(dns.TypePTR)),
-		Log: logger,
 	})
 	if err != nil {
 		logger.Error("can't resolve client name: ", err)

resolver/ecs_resolver.go

@@ -9,6 +9,7 @@ import (
 	"github.com/0xERR0R/blocky/model"
 	"github.com/0xERR0R/blocky/util"
 	"github.com/miekg/dns"
+	"github.com/sirupsen/logrus"
 )
 
 // https://www.rfc-editor.org/rfc/rfc7871.html#section-6
@@ -49,23 +50,26 @@ func NewECSResolver(cfg config.ECS) ChainedResolver {
 // and sets the client IP from the EDNS0 option to the request if this option is enabled
 func (r *ECSResolver) Resolve(ctx context.Context, request *model.Request) (*model.Response, error) {
 	if r.cfg.IsEnabled() {
+		ctx, logger := r.log(ctx)
+		_ = ctx
+
 		so := util.GetEdns0Option[*dns.EDNS0_SUBNET](request.Req)
 		// Set the client IP from the Edns0 subnet option if the option is enabled and the correct subnet mask is set
 		if r.cfg.UseAsClient && so != nil && ((so.Family == ecsFamilyIPv4 && so.SourceNetmask == ecsMaskIPv4) ||
 			(so.Family == ecsFamilyIPv6 && so.SourceNetmask == ecsMaskIPv6)) {
-			request.Log.Debugf("using request's edns0 address as internal client IP: %s", so.Address)
+			logger.Debugf("using request's edns0 address as internal client IP: %s", so.Address)
 			request.ClientIP = so.Address
 		}
 
 		// Set the Edns0 subnet option if the client IP is IPv4 or IPv6 and the masks are set in the configuration
 		if r.cfg.IPv4Mask > 0 || r.cfg.IPv6Mask > 0 {
-			r.setSubnet(so, request)
+			r.setSubnet(so, request, logger)
 		}
 
 		// Remove the Edns0 subnet option if the client IP is IPv4 or IPv6 and the corresponding mask is not set
 		// and the forwardEcs option is not enabled
 		if r.cfg.IPv4Mask == 0 && r.cfg.IPv6Mask == 0 && so != nil && !r.cfg.Forward {
-			request.Log.Debug("remove edns0 subnet option")
+			logger.Debug("remove edns0 subnet option")
 			util.RemoveEdns0Option[*dns.EDNS0_SUBNET](request.Req)
 		}
 	}
@@ -75,7 +79,7 @@ func (r *ECSResolver) Resolve(ctx context.Context, request *model.Request) (*mod
 
 // setSubnet appends the subnet information to the request as EDNS0 option
 // if the client IP is IPv4 or IPv6 and the corresponding mask is set in the configuration
-func (r *ECSResolver) setSubnet(so *dns.EDNS0_SUBNET, request *model.Request) {
+func (r *ECSResolver) setSubnet(so *dns.EDNS0_SUBNET, request *model.Request, logger *logrus.Entry) {
 	var subIP net.IP
 	if so != nil && r.cfg.Forward && so.Address != nil {
 		subIP = so.Address
@@ -96,7 +100,7 @@ func (r *ECSResolver) setSubnet(so *dns.EDNS0_SUBNET, request *model.Request) {
 	}
 
 	if edsOption != nil {
-		request.Log.Debugf("set edns0 subnet option address: %s", edsOption.Address)
+		logger.Debugf("set edns0 subnet option address: %s", edsOption.Address)
 		util.SetEdns0Option(request.Req, edsOption)
 	}
 }

resolver/resolver.go

@@ -15,17 +15,9 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-func newRequest(question string, rType dns.Type, logger ...*logrus.Entry) *model.Request {
-	var loggerEntry *logrus.Entry
-	if len(logger) == 1 {
-		loggerEntry = logger[0]
-	} else {
-		loggerEntry = logrus.NewEntry(log.Log())
-	}
-
+func newRequest(question string, rType dns.Type) *model.Request {
 	return &model.Request{
 		Req:      util.NewMsgWithQuestion(question, rType),
-		Log:      loggerEntry,
 		Protocol: model.RequestProtocolUDP,
 	}
 }
@@ -35,7 +27,6 @@ func newRequestWithClient(question string, rType dns.Type, ip string, clientName
 		ClientIP:    net.ParseIP(ip),
 		ClientNames: clientNames,
 		Req:         util.NewMsgWithQuestion(question, rType),
-		Log:         logrus.NewEntry(log.Log()),
 		RequestTS:   time.Time{},
 		Protocol:    model.RequestProtocolUDP,
 	}
@@ -59,7 +50,6 @@ func newRequestWithClientID(question string, rType dns.Type, ip, requestClientID
 		ClientIP:        net.ParseIP(ip),
 		RequestClientID: requestClientID,
 		Req:             util.NewMsgWithQuestion(question, rType),
-		Log:             logrus.NewEntry(log.Log()),
 		RequestTS:       time.Time{},
 		Protocol:        model.RequestProtocolUDP,
 	}

resolver/upstream_tree_resolver_test.go

@@ -269,10 +269,9 @@ var _ = Describe("UpstreamTreeResolver", Label("upstreamTreeResolver"), func() {
 			It("Should use one of the matching resolvers & log warning", func() {
 				logger, hook := log.NewMockEntry()
 
-				request := newRequestWithClient("example.com.", A, "0.0.0.0", "name-matches1")
-				request.Log = logger
+				ctx, _ = log.NewCtx(ctx, logger)
 
-				Expect(sut.Resolve(ctx, request)).
+				Expect(sut.Resolve(ctx, newRequestWithClient("example.com.", A, "0.0.0.0", "name-matches1"))).
 					Should(
 						SatisfyAll(
 							SatisfyAny(

server/server.go

@@ -583,7 +583,6 @@ func newRequest(
 		RequestClientID: clientID,
 		Protocol:        protocol,
 		Req:             request,
-		Log:             logger,
 		RequestTS:       time.Now(),
 	}