*: unify error handling by removing pkg/errors (#2644) (#2806)

Signed-off-by: Ryan Leung <rleungx@gmail.com>

client/client.go

@@ -20,10 +20,10 @@ import (
 	"time"
 
 	"github.com/opentracing/opentracing-go"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/kvproto/pkg/metapb"
 	"github.com/pingcap/kvproto/pkg/pdpb"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/pkg/errs"
 	"go.uber.org/zap"
 )

cmd/pd-server/main.go

@@ -21,8 +21,8 @@ import (
 	"syscall"
 
 	grpcprometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/pkg/dashboard"
 	"github.com/tikv/pd/pkg/logutil"
 	"github.com/tikv/pd/pkg/metricutil"

go.mod

@@ -33,8 +33,7 @@ require (
 	github.com/pingcap/failpoint v0.0.0-20191029060244-12f4ac2fd11d
 	github.com/pingcap/kvproto v0.0.0-20200818080353-7aaed8998596
 	github.com/pingcap/log v0.0.0-20200511115504-543df19646ad
-	github.com/pingcap/sysutil v0.0.0-20200408114249-ed3bd6f7fdb1
-	github.com/pkg/errors v0.9.1
+	github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a
 	github.com/prometheus/client_golang v1.0.0
 	github.com/sasha-s/go-deadlock v0.2.0
 	github.com/sirupsen/logrus v1.2.0

go.sum

@@ -305,10 +305,9 @@ github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd/go.mod h1:4rbK1p9ILyIf
 github.com/pingcap/log v0.0.0-20200511115504-543df19646ad h1:SveG82rmu/GFxYanffxsSF503SiQV+2JLnWEiGiF+Tc=
 github.com/pingcap/log v0.0.0-20200511115504-543df19646ad/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8=
 github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI=
-github.com/pingcap/sysutil v0.0.0-20200408114249-ed3bd6f7fdb1 h1:PI8YpTl45F8ilNkrPtT4IdbcZB1SCEa+gK/U5GJYl3E=
-github.com/pingcap/sysutil v0.0.0-20200408114249-ed3bd6f7fdb1/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI=
+github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a h1:i2RElJ2aykSqZKeY+3SK18NHhajil8cQdG77wHe+P1Y=
+github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=

pkg/apiutil/apiutil.go

@@ -22,8 +22,8 @@ import (
 	"strconv"
 
 	"github.com/pingcap/errcode"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/unrolled/render"
 )
 

pkg/codec/codec.go

@@ -17,7 +17,7 @@ import (
 	"bytes"
 	"encoding/binary"
 
-	"github.com/pkg/errors"
+	"github.com/pingcap/errors"
 )
 
 var (

pkg/etcdutil/etcdutil.go

@@ -20,8 +20,8 @@ import (
 	"time"
 
 	"github.com/gogo/protobuf/proto"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"go.etcd.io/etcd/clientv3"
 	"go.etcd.io/etcd/etcdserver"
 	"go.etcd.io/etcd/pkg/types"

pkg/grpcutil/grpcutil.go

@@ -18,7 +18,7 @@ import (
 	"crypto/tls"
 	"net/url"
 
-	"github.com/pkg/errors"
+	"github.com/pingcap/errors"
 	"go.etcd.io/etcd/pkg/transport"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"

pkg/logutil/log.go

@@ -23,8 +23,8 @@ import (
 	"sync"
 
 	"github.com/coreos/pkg/capnslog"
+	"github.com/pingcap/errors"
 	zaplog "github.com/pingcap/log"
-	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 	"go.etcd.io/etcd/raft"
 	"go.uber.org/zap"

pkg/typeutil/convension.go

@@ -16,7 +16,7 @@ package typeutil
 import (
 	"encoding/binary"
 
-	"github.com/pkg/errors"
+	"github.com/pingcap/errors"
 )
 
 // BytesToUint64 converts a byte slice to uint64.

pkg/typeutil/duration.go

@@ -18,7 +18,7 @@ import (
 	"strconv"
 	"time"
 
-	"github.com/pkg/errors"
+	"github.com/pingcap/errors"
 )
 
 // Duration is a wrapper of time.Duration for TOML and JSON.

pkg/typeutil/size.go

@@ -17,7 +17,7 @@ import (
 	"strconv"
 
 	"github.com/docker/go-units"
-	"github.com/pkg/errors"
+	"github.com/pingcap/errors"
 )
 
 // ByteSize is a retype uint64 for TOML and JSON.

pkg/typeutil/string_slice.go

@@ -17,7 +17,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/pkg/errors"
+	"github.com/pingcap/errors"
 )
 
 // StringSlice is more friendly to json encode/decode

plugin/scheduler_example/evict_leader.go

@@ -20,8 +20,8 @@ import (
 	"sync"
 
 	"github.com/gorilla/mux"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/pkg/apiutil"
 	"github.com/tikv/pd/server/core"
 	"github.com/tikv/pd/server/schedule"

server/api/component.go

@@ -18,7 +18,7 @@ import (
 
 	"github.com/gorilla/mux"
 	"github.com/pingcap/errcode"
-	"github.com/pkg/errors"
+	"github.com/pingcap/errors"
 	"github.com/tikv/pd/pkg/apiutil"
 	"github.com/tikv/pd/server"
 	"github.com/unrolled/render"

server/api/config.go

@@ -23,8 +23,8 @@ import (
 	"strings"
 
 	"github.com/pingcap/errcode"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/pkg/apiutil"
 	"github.com/tikv/pd/pkg/logutil"
 	"github.com/tikv/pd/server"

server/api/diagnose.go

@@ -19,8 +19,8 @@ import (
 	"net/http"
 	"time"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/kvproto/pkg/pdpb"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/server"
 	"github.com/unrolled/render"
 )

server/api/label.go

@@ -18,8 +18,8 @@ import (
 	"regexp"
 	"strings"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/kvproto/pkg/metapb"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/server"
 	"github.com/unrolled/render"
 )

server/api/member.go

@@ -20,9 +20,9 @@ import (
 	"strconv"
 
 	"github.com/gorilla/mux"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/kvproto/pkg/pdpb"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/pkg/apiutil"
 	"github.com/tikv/pd/pkg/etcdutil"
 	"github.com/tikv/pd/server"

server/api/rule.go

@@ -20,7 +20,7 @@ import (
 	"strconv"
 
 	"github.com/gorilla/mux"
-	"github.com/pkg/errors"
+	"github.com/pingcap/errors"
 	"github.com/tikv/pd/pkg/apiutil"
 	"github.com/tikv/pd/pkg/codec"
 	"github.com/tikv/pd/pkg/keyutil"

server/api/store.go

@@ -21,8 +21,8 @@ import (
 
 	"github.com/gorilla/mux"
 	"github.com/pingcap/errcode"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/kvproto/pkg/metapb"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/pkg/apiutil"
 	"github.com/tikv/pd/pkg/typeutil"
 	"github.com/tikv/pd/server"

server/api/util.go

@@ -20,7 +20,7 @@ import (
 	"net/http"
 	"net/url"
 
-	"github.com/pkg/errors"
+	"github.com/pingcap/errors"
 )
 
 var (

server/cluster/cluster.go

@@ -23,12 +23,12 @@ import (
 	"github.com/coreos/go-semver/semver"
 	"github.com/gogo/protobuf/proto"
 	"github.com/pingcap/errcode"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/failpoint"
 	"github.com/pingcap/kvproto/pkg/metapb"
 	"github.com/pingcap/kvproto/pkg/pdpb"
 	"github.com/pingcap/kvproto/pkg/replication_modepb"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/pkg/cache"
 	"github.com/tikv/pd/pkg/component"
 	"github.com/tikv/pd/pkg/etcdutil"

server/cluster/cluster_worker.go

@@ -17,10 +17,10 @@ import (
 	"bytes"
 
 	"github.com/gogo/protobuf/proto"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/kvproto/pkg/metapb"
 	"github.com/pingcap/kvproto/pkg/pdpb"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/pkg/errs"
 	"github.com/tikv/pd/server/core"
 	"github.com/tikv/pd/server/schedule"

server/cluster/version.go

@@ -15,8 +15,8 @@ package cluster
 
 import (
 	"github.com/coreos/go-semver/semver"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"go.uber.org/zap"
 )
 

server/config/config.go

@@ -35,9 +35,9 @@ import (
 
 	"github.com/BurntSushi/toml"
 	"github.com/coreos/go-semver/semver"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/kvproto/pkg/metapb"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"go.etcd.io/etcd/embed"
 	"go.etcd.io/etcd/pkg/transport"
 	"go.uber.org/zap"

server/config/util.go

@@ -17,8 +17,8 @@ import (
 	"net/url"
 	"regexp"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/kvproto/pkg/metapb"
-	"github.com/pkg/errors"
 )
 
 const (

server/core/errors.go

@@ -21,8 +21,8 @@ import (
 	"net/http"
 
 	"github.com/pingcap/errcode"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/kvproto/pkg/metapb"
-	"github.com/pkg/errors"
 )
 
 var (

server/core/region_storage.go

@@ -19,9 +19,9 @@ import (
 	"sync"
 	"time"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/kvproto/pkg/metapb"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/server/kv"
 	"go.uber.org/zap"
 )

server/core/storage.go

@@ -25,8 +25,8 @@ import (
 	"time"
 
 	"github.com/gogo/protobuf/proto"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/kvproto/pkg/metapb"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/server/kv"
 	"go.etcd.io/etcd/clientv3"
 )

server/core/storage_test.go

@@ -22,8 +22,8 @@ import (
 	"time"
 
 	. "github.com/pingcap/check"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/kvproto/pkg/metapb"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/server/kv"
 )
 

server/grpc_service.go

@@ -21,11 +21,11 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/failpoint"
 	"github.com/pingcap/kvproto/pkg/metapb"
 	"github.com/pingcap/kvproto/pkg/pdpb"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/server/cluster"
 	"github.com/tikv/pd/server/core"
 	"go.uber.org/zap"

server/handler.go

@@ -24,10 +24,10 @@ import (
 	"time"
 
 	"github.com/pingcap/errcode"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/kvproto/pkg/metapb"
 	"github.com/pingcap/kvproto/pkg/pdpb"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/server/cluster"
 	"github.com/tikv/pd/server/config"
 	"github.com/tikv/pd/server/core"

server/id/id.go

@@ -17,8 +17,8 @@ import (
 	"path"
 	"sync"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/pkg/etcdutil"
 	"github.com/tikv/pd/pkg/typeutil"
 	"github.com/tikv/pd/server/kv"

server/join/join.go

@@ -21,9 +21,9 @@ import (
 	"strings"
 	"time"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/failpoint"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/pkg/etcdutil"
 	"github.com/tikv/pd/server/config"
 	"go.etcd.io/etcd/clientv3"

server/kv/etcd_kv.go

@@ -19,8 +19,8 @@ import (
 	"strings"
 	"time"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/pkg/errs"
 	"github.com/tikv/pd/pkg/etcdutil"
 	"go.etcd.io/etcd/clientv3"

server/kv/levedb_kv.go

@@ -15,8 +15,8 @@ package kv
 
 import (
 	"github.com/gogo/protobuf/proto"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/kvproto/pkg/metapb"
-	"github.com/pkg/errors"
 	"github.com/syndtr/goleveldb/leveldb"
 	"github.com/syndtr/goleveldb/leveldb/util"
 )

server/member/leader.go

@@ -25,10 +25,10 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/failpoint"
 	"github.com/pingcap/kvproto/pkg/pdpb"
 	"github.com/pingcap/log"
-	"github.com/pkg/errors"
 	"github.com/tikv/pd/pkg/errs"
 	"github.com/tikv/pd/pkg/etcdutil"
 	"github.com/tikv/pd/server/config"