server: remaining errors.Is conversions

server/auth/jwt_test.go

@@ -16,6 +16,7 @@ package auth
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"testing"
 	"time"
@@ -139,7 +140,7 @@ func testJWTInfo(t *testing.T, opts map[string]string) {
 			}
 
 			_, aerr := verify.assign(ctx, "abc", 123)
-			if aerr != ErrVerifyOnly {
+			if !errors.Is(aerr, ErrVerifyOnly) {
 				t.Fatalf("unexpected error when attempting to sign with public key: %v", aerr)
 			}
 

server/auth/store_test.go

@@ -165,13 +165,13 @@ func TestUserAdd(t *testing.T) {
 	if err == nil {
 		t.Fatalf("expected %v, got %v", ErrUserAlreadyExist, err)
 	}
-	if err != ErrUserAlreadyExist {
+	if !errors.Is(err, ErrUserAlreadyExist) {
 		t.Fatalf("expected %v, got %v", ErrUserAlreadyExist, err)
 	}
 
 	ua = &pb.AuthUserAddRequest{Name: "", Options: &authpb.UserAddOptions{NoPassword: false}}
 	_, err = as.UserAdd(ua) // add a user with empty name
-	if err != ErrUserEmpty {
+	if !errors.Is(err, ErrUserEmpty) {
 		t.Fatal(err)
 	}
 
@@ -227,7 +227,7 @@ func TestCheckPassword(t *testing.T) {
 	if err == nil {
 		t.Fatalf("expected %v, got %v", ErrAuthFailed, err)
 	}
-	if err != ErrAuthFailed {
+	if !errors.Is(err, ErrAuthFailed) {
 		t.Fatalf("expected %v, got %v", ErrAuthFailed, err)
 	}
 
@@ -242,7 +242,7 @@ func TestCheckPassword(t *testing.T) {
 	if err == nil {
 		t.Fatalf("expected %v, got %v", ErrAuthFailed, err)
 	}
-	if err != ErrAuthFailed {
+	if !errors.Is(err, ErrAuthFailed) {
 		t.Fatalf("expected %v, got %v", ErrAuthFailed, err)
 	}
 }
@@ -264,7 +264,7 @@ func TestUserDelete(t *testing.T) {
 	if err == nil {
 		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
 	}
-	if err != ErrUserNotFound {
+	if !errors.Is(err, ErrUserNotFound) {
 		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
 	}
 
@@ -288,7 +288,7 @@ func TestUserDeleteAndPermCache(t *testing.T) {
 
 	// delete a non-existing user
 	_, err = as.UserDelete(ud)
-	if err != ErrUserNotFound {
+	if !errors.Is(err, ErrUserNotFound) {
 		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
 	}
 
@@ -336,7 +336,7 @@ func TestUserChangePassword(t *testing.T) {
 	if err == nil {
 		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
 	}
-	if err != ErrUserNotFound {
+	if !errors.Is(err, ErrUserNotFound) {
 		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
 	}
 
@@ -359,7 +359,7 @@ func TestRoleAdd(t *testing.T) {
 
 	// add a role with empty name
 	_, err = as.RoleAdd(&pb.AuthRoleAddRequest{Name: ""})
-	if err != ErrRoleEmpty {
+	if !errors.Is(err, ErrRoleEmpty) {
 		t.Fatal(err)
 	}
 }
@@ -379,7 +379,7 @@ func TestUserGrant(t *testing.T) {
 	if err == nil {
 		t.Errorf("expected %v, got %v", ErrUserNotFound, err)
 	}
-	if err != ErrUserNotFound {
+	if !errors.Is(err, ErrUserNotFound) {
 		t.Errorf("expected %v, got %v", ErrUserNotFound, err)
 	}
 }
@@ -455,7 +455,7 @@ func TestIsOpPermitted(t *testing.T) {
 	as.rangePermCacheMu.Lock()
 	delete(as.rangePermCache, "foo")
 	as.rangePermCacheMu.Unlock()
-	if err := as.isOpPermitted("foo", as.Revision(), perm.Key, perm.RangeEnd, perm.PermType); err != ErrPermissionDenied {
+	if err := as.isOpPermitted("foo", as.Revision(), perm.Key, perm.RangeEnd, perm.PermType); !errors.Is(err, ErrPermissionDenied) {
 		t.Fatal(err)
 	}
 
@@ -545,7 +545,7 @@ func TestRoleGrantPermission(t *testing.T) {
 		Name: "role-test-1",
 	})
 
-	if err != ErrPermissionNotGiven {
+	if !errors.Is(err, ErrPermissionNotGiven) {
 		t.Error(err)
 	}
 
@@ -887,13 +887,13 @@ func TestAuthInfoFromCtx(t *testing.T) {
 
 	ctx = metadata.NewIncomingContext(context.Background(), metadata.New(map[string]string{rpctypes.TokenFieldNameGRPC: "Invalid Token"}))
 	_, err = as.AuthInfoFromCtx(ctx)
-	if err != ErrInvalidAuthToken {
+	if !errors.Is(err, ErrInvalidAuthToken) {
 		t.Errorf("expected %v, got %v", ErrInvalidAuthToken, err)
 	}
 
 	ctx = metadata.NewIncomingContext(context.Background(), metadata.New(map[string]string{rpctypes.TokenFieldNameGRPC: "Invalid.Token"}))
 	_, err = as.AuthInfoFromCtx(ctx)
-	if err != ErrInvalidAuthToken {
+	if !errors.Is(err, ErrInvalidAuthToken) {
 		t.Errorf("expected %v, got %v", ErrInvalidAuthToken, err)
 	}
 
@@ -914,14 +914,14 @@ func TestAuthDisable(t *testing.T) {
 	as.AuthDisable()
 	ctx := context.WithValue(context.WithValue(context.TODO(), AuthenticateParamIndex{}, uint64(2)), AuthenticateParamSimpleTokenPrefix{}, "dummy")
 	_, err := as.Authenticate(ctx, "foo", "bar")
-	if err != ErrAuthNotEnabled {
+	if !errors.Is(err, ErrAuthNotEnabled) {
 		t.Errorf("expected %v, got %v", ErrAuthNotEnabled, err)
 	}
 
 	// Disabling disabled auth to make sure it can return safely if store is already disabled.
 	as.AuthDisable()
 	_, err = as.Authenticate(ctx, "foo", "bar")
-	if err != ErrAuthNotEnabled {
+	if !errors.Is(err, ErrAuthNotEnabled) {
 		t.Errorf("expected %v, got %v", ErrAuthNotEnabled, err)
 	}
 }
@@ -980,19 +980,19 @@ func TestIsAdminPermitted(t *testing.T) {
 
 	// invalid user
 	err = as.IsAdminPermitted(&AuthInfo{Username: "rooti", Revision: 1})
-	if err != ErrUserNotFound {
+	if !errors.Is(err, ErrUserNotFound) {
 		t.Errorf("expected %v, got %v", ErrUserNotFound, err)
 	}
 
 	// empty user
 	err = as.IsAdminPermitted(&AuthInfo{Username: "", Revision: 1})
-	if err != ErrUserEmpty {
+	if !errors.Is(err, ErrUserEmpty) {
 		t.Errorf("expected %v, got %v", ErrUserEmpty, err)
 	}
 
 	// non-admin user
 	err = as.IsAdminPermitted(&AuthInfo{Username: "foo", Revision: 1})
-	if err != ErrPermissionDenied {
+	if !errors.Is(err, ErrPermissionDenied) {
 		t.Errorf("expected %v, got %v", ErrPermissionDenied, err)
 	}
 
@@ -1013,13 +1013,13 @@ func TestRecoverFromSnapshot(t *testing.T) {
 	if err == nil {
 		t.Fatalf("expected %v, got %v", ErrUserAlreadyExist, err)
 	}
-	if err != ErrUserAlreadyExist {
+	if !errors.Is(err, ErrUserAlreadyExist) {
 		t.Fatalf("expected %v, got %v", ErrUserAlreadyExist, err)
 	}
 
 	ua = &pb.AuthUserAddRequest{Name: "", Options: &authpb.UserAddOptions{NoPassword: false}}
 	_, err = as.UserAdd(ua) // add a user with empty name
-	if err != ErrUserEmpty {
+	if !errors.Is(err, ErrUserEmpty) {
 		t.Fatal(err)
 	}
 
@@ -1195,7 +1195,7 @@ func TestUserNoPasswordAdd(t *testing.T) {
 
 	ctx := context.WithValue(context.WithValue(context.TODO(), AuthenticateParamIndex{}, uint64(1)), AuthenticateParamSimpleTokenPrefix{}, "dummy")
 	_, err = as.Authenticate(ctx, username, "")
-	if err != ErrAuthFailed {
+	if !errors.Is(err, ErrAuthFailed) {
 		t.Fatalf("expected %v, got %v", ErrAuthFailed, err)
 	}
 }
@@ -1237,7 +1237,7 @@ func TestUserChangePasswordWithOldLog(t *testing.T) {
 	if err == nil {
 		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
 	}
-	if err != ErrUserNotFound {
+	if !errors.Is(err, ErrUserNotFound) {
 		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
 	}
 }

server/embed/etcd_test.go

@@ -15,6 +15,7 @@
 package embed
 
 import (
+	"errors"
 	"net/url"
 	"testing"
 
@@ -32,7 +33,7 @@ func TestEmptyClientTLSInfo_createMetricsListener(t *testing.T) {
 		Scheme: "https",
 		Host:   "localhost:8080",
 	}
-	if _, err := e.createMetricsListener(murl); err != ErrMissingClientTLSInfoForMetricsURL {
+	if _, err := e.createMetricsListener(murl); !errors.Is(err, ErrMissingClientTLSInfoForMetricsURL) {
 		t.Fatalf("expected error %v, got %v", ErrMissingClientTLSInfoForMetricsURL, err)
 	}
 }

server/embed/serve_test.go

@@ -15,6 +15,7 @@
 package embed
 
 import (
+	"errors"
 	"fmt"
 	"net/url"
 	"os"
@@ -43,7 +44,7 @@ func TestStartEtcdWrongToken(t *testing.T) {
 	cfg.Dir = tdir
 	cfg.AuthToken = "wrong-token"
 
-	if _, err := StartEtcd(cfg); err != auth.ErrInvalidAuthOpts {
+	if _, err := StartEtcd(cfg); !errors.Is(err, auth.ErrInvalidAuthOpts) {
 		t.Fatalf("expected %v, got %v", auth.ErrInvalidAuthOpts, err)
 	}
 }

server/etcdmain/config_test.go

@@ -15,6 +15,7 @@
 package etcdmain
 
 import (
+	"errors"
 	"flag"
 	"fmt"
 	"net/url"
@@ -224,7 +225,7 @@ func TestConfigParsingConflictClusteringFlags(t *testing.T) {
 
 	for i, tt := range conflictArgs {
 		cfg := newConfig()
-		if err := cfg.parse(tt); err != embed.ErrConflictBootstrapFlags {
+		if err := cfg.parse(tt); !errors.Is(err, embed.ErrConflictBootstrapFlags) {
 			t.Errorf("%d: err = %v, want %v", i, err, embed.ErrConflictBootstrapFlags)
 		}
 	}
@@ -267,7 +268,7 @@ func TestConfigFileConflictClusteringFlags(t *testing.T) {
 		args := []string{fmt.Sprintf("--config-file=%s", tmpfile.Name())}
 
 		cfg := newConfig()
-		if err := cfg.parse(args); err != embed.ErrConflictBootstrapFlags {
+		if err := cfg.parse(args); !errors.Is(err, embed.ErrConflictBootstrapFlags) {
 			t.Errorf("%d: err = %v, want %v", i, err, embed.ErrConflictBootstrapFlags)
 		}
 	}
@@ -310,7 +311,7 @@ func TestConfigParsingMissedAdvertiseClientURLsFlag(t *testing.T) {
 
 	for i, tt := range tests {
 		cfg := newConfig()
-		if err := cfg.parse(tt.args); err != tt.werr {
+		if err := cfg.parse(tt.args); !errors.Is(err, tt.werr) {
 			t.Errorf("%d: err = %v, want %v", i, err, tt.werr)
 		}
 	}

server/etcdserver/api/membership/cluster_test.go

@@ -16,6 +16,7 @@ package membership
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"path"
 	"reflect"
@@ -458,7 +459,7 @@ func TestClusterValidateConfigurationChangeV2(t *testing.T) {
 	}
 	for i, tt := range tests {
 		err := cl.ValidateConfigurationChange(tt.cc)
-		if err != tt.werr {
+		if !errors.Is(err, tt.werr) {
 			t.Errorf("#%d: validateConfigurationChange error = %v, want %v", i, err, tt.werr)
 		}
 	}

server/etcdserver/api/rafthttp/msg_codec_test.go

@@ -16,6 +16,7 @@ package rafthttp
 
 import (
 	"bytes"
+	"errors"
 	"reflect"
 	"testing"
 
@@ -77,13 +78,13 @@ func TestMessage(t *testing.T) {
 	for i, tt := range tests {
 		b := &bytes.Buffer{}
 		enc := &messageEncoder{w: b}
-		if err := enc.encode(&tt.msg); err != tt.encodeErr {
+		if err := enc.encode(&tt.msg); !errors.Is(err, tt.encodeErr) {
 			t.Errorf("#%d: encode message error expected %v, got %v", i, tt.encodeErr, err)
 			continue
 		}
 		dec := &messageDecoder{r: b}
 		m, err := dec.decode()
-		if err != tt.decodeErr {
+		if !errors.Is(err, tt.decodeErr) {
 			t.Errorf("#%d: decode message error expected %v, got %v", i, tt.decodeErr, err)
 			continue
 		}

server/etcdserver/api/rafthttp/pipeline.go

@@ -165,7 +165,7 @@ func (p *pipeline) post(data []byte) (err error) {
 		p.picker.unreachable(u)
 		// errMemberRemoved is a critical error since a removed member should
 		// always be stopped. So we use reportCriticalError to report it to errorc.
-		if err == errMemberRemoved {
+		if errors.Is(err, errMemberRemoved) {
 			reportCriticalError(err, p.errorc)
 		}
 		return err

server/etcdserver/api/rafthttp/snapshot_sender.go

@@ -17,6 +17,7 @@ package rafthttp
 import (
 	"bytes"
 	"context"
+	"errors"
 	"io"
 	"net/http"
 	"time"
@@ -110,7 +111,7 @@ func (s *snapshotSender) send(merged snap.Message) {
 
 		// errMemberRemoved is a critical error since a removed member should
 		// always be stopped. So we use reportCriticalError to report it to errorc.
-		if err == errMemberRemoved {
+		if errors.Is(err, errMemberRemoved) {
 			reportCriticalError(err, s.errorc)
 		}
 

server/etcdserver/api/rafthttp/stream.go

@@ -16,6 +16,7 @@ package rafthttp
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -403,7 +404,7 @@ func (cr *streamReader) run() {
 	for {
 		rc, err := cr.dial(t)
 		if err != nil {
-			if err != errUnsupportedStreamType {
+			if !errors.Is(err, errUnsupportedStreamType) {
 				cr.status.deactivate(failureType{source: t.String(), action: "dial"}, err.Error())
 			}
 		} else {
@@ -428,7 +429,7 @@ func (cr *streamReader) run() {
 			}
 			switch {
 			// all data is read out
-			case err == io.EOF:
+			case errors.Is(err, io.EOF):
 			// connection is closed by the remote
 			case transport.IsClosedConnError(err):
 			default:

server/etcdserver/api/rafthttp/stream_test.go

@@ -256,7 +256,7 @@ func TestStreamReaderDialDetectUnsupport(t *testing.T) {
 		}
 
 		_, err := sr.dial(typ)
-		if err != errUnsupportedStreamType {
+		if !errors.Is(err, errUnsupportedStreamType) {
 			t.Errorf("#%d: error = %v, want %v", i, err, errUnsupportedStreamType)
 		}
 	}