From 9442c3e5a1dfed298fe71b611e3c64c39bf7afc3 Mon Sep 17 00:00:00 2001
From: Jiahao Huang <july2993@gmail.com>
Date: Tue, 20 Aug 2019 14:42:28 +0800
Subject: [PATCH] Initial commit

---
 .gitignore                    |  35 ++++
 Makefile                      |  99 +++++++++++
 cdc/buffer.go                 |  47 +++++
 cdc/capture.go                | 132 ++++++++++++++
 cdc/cdctest/mock_tidb.go      | 139 +++++++++++++++
 cdc/cdctest/mock_tidb_test.go |  33 ++++
 cdc/changefeed.go             | 111 ++++++++++++
 cdc/doc.go                    |   1 +
 cdc/encoder.go                |  72 ++++++++
 cdc/puller.go                 |  34 ++++
 cdc/rowfetcher.go             |  24 +++
 cdc/sink.go                   |  62 +++++++
 cdc/util.go                   |   6 +
 cmd/cdc/main.go               |  21 +++
 go.mod                        |  16 ++
 go.sum                        | 316 ++++++++++++++++++++++++++++++++++
 tools/check/check-tidy.sh     |   5 +
 tools/check/go.mod            |  19 ++
 tools/check/go.sum            | 212 +++++++++++++++++++++++
 tools/check/revive.toml       |  51 ++++++
 20 files changed, 1435 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Makefile
 create mode 100644 cdc/buffer.go
 create mode 100644 cdc/capture.go
 create mode 100644 cdc/cdctest/mock_tidb.go
 create mode 100644 cdc/cdctest/mock_tidb_test.go
 create mode 100644 cdc/changefeed.go
 create mode 100644 cdc/doc.go
 create mode 100644 cdc/encoder.go
 create mode 100644 cdc/puller.go
 create mode 100644 cdc/rowfetcher.go
 create mode 100644 cdc/sink.go
 create mode 100644 cdc/util.go
 create mode 100644 cmd/cdc/main.go
 create mode 100644 go.mod
 create mode 100644 go.sum
 create mode 100755 tools/check/check-tidy.sh
 create mode 100644 tools/check/go.mod
 create mode 100644 tools/check/go.sum
 create mode 100644 tools/check/revive.toml

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000000..aa8423c6812
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,35 @@
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+
+# Folders
+_obj
+_test
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+_testmain.go
+
+*.exe
+*.test
+*.prof
+
+bin
+*.iml
+.idea
+.DS_Store
+
+cscope.*
+**/*.swp
+
+# Files generated when testing
+vendor/
diff --git a/Makefile b/Makefile
new file mode 100644
index 00000000000..c2cce942d65
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,99 @@
+### Makefile for tidb-cdc
+.PHONY: build test check clean fmt cdc
+
+PROJECT=tidb-cdc
+
+# Ensure GOPATH is set before running build process.
+ifeq "$(GOPATH)" ""
+  $(error Please set the environment variable GOPATH before running `make`)
+endif
+FAIL_ON_STDOUT := awk '{ print  } END { if (NR > 0) { exit 1  }  }'
+
+CURDIR := $(shell pwd)
+path_to_add := $(addsuffix /bin,$(subst :,/bin:,$(GOPATH)))
+export PATH := $(path_to_add):$(PATH)
+
+TEST_DIR := /tmp/tidb_cdc_test
+
+GO       := GO111MODULE=on go
+GOBUILD  := CGO_ENABLED=0 $(GO) build $(BUILD_FLAG)
+GOTEST   := CGO_ENABLED=1 $(GO) test -p 3
+
+ARCH  := "`uname -s`"
+LINUX := "Linux"
+MAC   := "Darwin"
+PACKAGE_LIST := go list ./...| grep -vE 'vendor|proto'
+PACKAGES  := $$($(PACKAGE_LIST))
+PACKAGE_DIRECTORIES := $(PACKAGE_LIST) | sed 's|github.com/pingcap/$(PROJECT)/||'
+FILES := $$(find . -name '*.go' -type f | grep -vE 'vendor')
+
+# LDFLAGS += -X "github.com/pingcap/tidb-cdc/pkg/version.BuildTS=$(shell date -u '+%Y-%m-%d %I:%M:%S')"
+# LDFLAGS += -X "github.com/pingcap/tidb-cdc/pkg/version.GitHash=$(shell git rev-parse HEAD)"
+# LDFLAGS += -X "github.com/pingcap/tidb-cdc/pkg/version.ReleaseVersion=$(shell git describe --tags --dirty)"
+
+default: build buildsucc
+
+buildsucc:
+	@echo Build TiDB CDC successfully!
+
+all: dev install
+
+dev: check test
+
+build: cdc
+
+cdc:
+	$(GOBUILD) -ldflags '$(LDFLAGS)' -o bin/cdc cmd/cdc/main.go
+
+install:
+	go install ./...
+
+test:
+	mkdir -p "$(TEST_DIR)"
+	@export log_level=error;\
+	$(GOTEST) -cover -covermode=count -coverprofile="$(TEST_DIR)/cov.unit.out" $(PACKAGES)
+
+fmt:
+	@echo "gofmt (simplify)"
+	@gofmt -s -l -w $(FILES) 2>&1 | $(FAIL_ON_STDOUT)
+
+lint:tools/bin/revive
+	@echo "linting"
+	@tools/bin/revive -formatter friendly -config tools/check/revive.toml $(FILES)
+
+vet:
+	@echo "vet"
+	$(GO) vet $(PACKAGES) 2>&1 | $(FAIL_ON_STDOUT)
+
+tidy:
+	@echo "go mod tidy"
+	./tools/check/check-tidy.sh
+
+check: fmt lint check-static tidy
+
+coverage:
+	GO111MODULE=off go get github.com/wadey/gocovmerge
+	gocovmerge "$(TEST_DIR)"/cov.* | grep -vE ".*.pb.go" > "$(TEST_DIR)/all_cov.out"
+ifeq ("$(JenkinsCI)", "1")
+	GO111MODULE=off go get github.com/mattn/goveralls
+	@goveralls -coverprofile=$(TEST_DIR)/all_cov.out -service=jenkins-ci -repotoken $(COVERALLS_TOKEN)
+else
+	go tool cover -html "$(TEST_DIR)/all_cov.out" -o "$(TEST_DIR)/all_cov.html"
+	grep -F '<option' "$(TEST_DIR)/all_cov.html"
+endif
+
+check-static: tools/bin/golangci-lint
+	$(GO) mod vendor
+	tools/bin/golangci-lint --disable errcheck run $$($(PACKAGE_DIRECTORIES))
+
+clean:
+	go clean -i ./...
+	rm -rf *.out
+
+tools/bin/revive: tools/check/go.mod
+	cd tools/check; \
+	$(GO) build -o ../bin/revive github.com/mgechev/revive
+
+tools/bin/golangci-lint: tools/check/go.mod
+	cd tools/check; \
+	$(GO) build -o ../bin/golangci-lint github.com/golangci/golangci-lint/cmd/golangci-lint
diff --git a/cdc/buffer.go b/cdc/buffer.go
new file mode 100644
index 00000000000..f5b780b9a07
--- /dev/null
+++ b/cdc/buffer.go
@@ -0,0 +1,47 @@
+package cdc
+
+import "context"
+
+// buffer entry from kv layer
+type bufferEntry struct {
+	kv       *KVEntry
+	resolved *ResolvedSpan
+}
+
+type buffer struct {
+	entriesCh chan bufferEntry
+}
+
+func makeBuffer() *buffer {
+	return &buffer{
+		entriesCh: make(chan bufferEntry),
+	}
+}
+
+func (b *buffer) AddEntry(ctx context.Context, entry bufferEntry) error {
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	case b.entriesCh <- entry:
+		return nil
+	}
+}
+
+func (b *buffer) AddKVEntry(ctx context.Context, kv *KVEntry) error {
+	return b.AddEntry(ctx, bufferEntry{kv: kv})
+}
+
+func (b *buffer) AddResolved(ctx context.Context, span Span, ts uint64) error {
+	return b.AddEntry(ctx, bufferEntry{resolved: &ResolvedSpan{Span: span, Timestamp: ts}})
+}
+
+func (b *buffer) Get(ctx context.Context) (bufferEntry, error) {
+	select {
+	case <-ctx.Done():
+		return bufferEntry{}, ctx.Err()
+	case e := <-b.entriesCh:
+		return e, nil
+	}
+}
+
+// TODO limit memory buffer
diff --git a/cdc/capture.go b/cdc/capture.go
new file mode 100644
index 00000000000..32b57ac7a30
--- /dev/null
+++ b/cdc/capture.go
@@ -0,0 +1,132 @@
+package cdc
+
+import "context"
+
+type OpType int
+
+const (
+	OpTypeUnknow OpType = 0
+	OpTypePut    OpType = 1
+	OpTypeDelete OpType = 2
+)
+
+// Capture watch some span of KV and emit the entries to sink according to the ChangeFeedDetail
+type Capture struct {
+	watchs       []Span
+	checkpointTS uint64
+	encoder      Encoder
+	detail       ChangeFeedDetail
+
+	// errCh contains the return values of the puller
+	errCh  chan error
+	cancel context.CancelFunc
+
+	// sink is the Sink to write rows to.
+	// Resolved timestamps are never written by Capture
+	sink Sink
+}
+
+type KVEntry struct {
+	OpType OpType
+	Key    []byte
+	Value  []byte
+	TS     uint64
+}
+
+type ResolvedSpan struct {
+	Span      Span
+	Timestamp uint64
+}
+
+func NewCapture(
+	watchs []Span,
+	checkpointTS uint64,
+	detail ChangeFeedDetail,
+) (c *Capture, err error) {
+	encoder, err := getEncoder(detail.Opts)
+	if err != nil {
+		return nil, err
+	}
+
+	sink, err := getSink(detail.SinkURI, detail.Opts)
+	if err != nil {
+		return nil, err
+	}
+
+	c = &Capture{
+		watchs:       watchs,
+		checkpointTS: checkpointTS,
+		encoder:      encoder,
+		sink:         sink,
+		detail:       detail,
+	}
+
+	return
+}
+
+func (c *Capture) Start(ctx context.Context) (err error) {
+	ctx, c.cancel = context.WithCancel(ctx)
+	defer c.cancel()
+
+	buf := makeBuffer()
+
+	puller := newPuller(c.checkpointTS, c.watchs, c.detail, buf)
+	c.errCh = make(chan error, 2)
+	go func() {
+		err := puller.Run(ctx)
+		c.errCh <- err
+	}()
+
+	rowsFn := kvsToRows(c.detail, buf.Get)
+	emitFn := emitEntries(c.detail, c.watchs, c.encoder, c.sink, rowsFn)
+
+	for {
+		resolved, err := emitFn(ctx)
+		if err != nil {
+			select {
+			case err = <-c.errCh:
+			default:
+			}
+			return err
+		}
+
+		// TODO: forward resolved span to Frontier
+		_ = resolved
+	}
+}
+
+// Frontier handle all ResolvedSpan and emit resolved timestamp
+type Frontier struct {
+	// once all the span receive a resolved ts, it's safe to emit a changefeed level resolved ts
+	spans   []Span
+	detail  ChangeFeedDetail
+	encoder Encoder
+	sink    Sink
+}
+
+func NewFrontier(spans []Span, detail ChangeFeedDetail) (f *Frontier, err error) {
+	encoder, err := getEncoder(detail.Opts)
+	if err != nil {
+		return nil, err
+	}
+
+	sink, err := getSink(detail.SinkURI, detail.Opts)
+	if err != nil {
+		return nil, err
+	}
+
+	f = &Frontier{
+		spans:   spans,
+		detail:  detail,
+		encoder: encoder,
+		sink:    sink,
+	}
+
+	return
+}
+
+func (f *Frontier) NotifyResolvedSpan(resolve ResolvedSpan) error {
+	// TODO emit resolved timestamp once it's safe
+
+	return nil
+}
diff --git a/cdc/cdctest/mock_tidb.go b/cdc/cdctest/mock_tidb.go
new file mode 100644
index 00000000000..13170017f7d
--- /dev/null
+++ b/cdc/cdctest/mock_tidb.go
@@ -0,0 +1,139 @@
+package cdc
+
+import (
+	"github.com/pingcap/check"
+	"github.com/pingcap/kvproto/pkg/kvrpcpb"
+	"github.com/pingcap/log"
+	"github.com/pingcap/parser"
+	"github.com/pingcap/tidb-cdc/cdc"
+	"github.com/pingcap/tidb/domain"
+	"github.com/pingcap/tidb/kv"
+	"github.com/pingcap/tidb/session"
+	"github.com/pingcap/tidb/store/mockstore"
+	"github.com/pingcap/tidb/store/mockstore/mocktikv"
+	"github.com/pingcap/tidb/util/mock"
+	"github.com/pingcap/tidb/util/testkit"
+	"go.uber.org/zap"
+)
+
+type MockTiDB struct {
+	cluster   *mocktikv.Cluster
+	mvccStore mocktikv.MVCCStore
+	store     kv.Storage
+	domain    *domain.Domain
+	*parser.Parser
+	ctx *mock.Context
+	c   *check.C
+
+	kvs map[string]string
+}
+
+func NewMockPuller(c *check.C) (*MockTiDB, error) {
+	p := &MockTiDB{
+		c:   c,
+		kvs: make(map[string]string),
+	}
+
+	if err := p.setUp(); err != nil {
+		return nil, err
+	}
+
+	return p, nil
+}
+
+func (p *MockTiDB) setUp() (err error) {
+	p.Parser = parser.New()
+	p.cluster = mocktikv.NewCluster()
+	mocktikv.BootstrapWithSingleStore(p.cluster)
+	p.mvccStore = mocktikv.MustNewMVCCStore()
+	store, err := mockstore.NewMockTikvStore(
+		mockstore.WithCluster(p.cluster),
+		mockstore.WithMVCCStore(p.mvccStore),
+	)
+	if err != nil {
+		return
+	}
+
+	p.store = store
+	session.SetSchemaLease(0)
+	session.DisableStats4Test()
+	p.domain, err = session.BootstrapSession(p.store)
+	if err != nil {
+		return
+	}
+
+	p.domain.SetStatsUpdating(true)
+	return nil
+}
+
+func (p *MockTiDB) tearDown() {
+	p.domain.Close()
+	p.store.Close()
+}
+
+// We scan all the KV space to get the changed KV events every time after
+// execute a SQL and use the current version as the ts of the KV events
+// because there's no way to get the true commit ts of the kv
+func (p *MockTiDB) updateEvent() (entrys []cdc.KVEntry, err error) {
+	ver, err := p.store.CurrentVersion()
+	if err != nil {
+		return nil, err
+	}
+
+	ts := ver.Ver
+
+	pairs := p.mvccStore.Scan(nil, nil, 1<<30, ts, kvrpcpb.IsolationLevel_RC)
+
+	newKVS := make(map[string]string)
+	for _, pair := range pairs {
+		if pair.Err != nil {
+			log.Error("pair err", zap.Error(pair.Err))
+			continue
+		}
+		newKVS[string(pair.Key)] = string(pair.Value)
+	}
+
+	// Put kv
+	for k, v := range newKVS {
+		oldv, _ := p.kvs[k]
+		if oldv != v {
+			entry := cdc.KVEntry{
+				OpType: cdc.OpTypePut,
+				Key:    []byte(k),
+				Value:  []byte(v),
+				TS:     ts,
+			}
+
+			entrys = append(entrys, entry)
+		}
+	}
+
+	// Delete
+	for k, v := range p.kvs {
+		_, ok := newKVS[k]
+		if !ok {
+			entry := cdc.KVEntry{
+				OpType: cdc.OpTypePut,
+				Key:    []byte(k),
+				Value:  []byte(v),
+				TS:     ts,
+			}
+			entrys = append(entrys, entry)
+		}
+	}
+
+	p.kvs = newKVS
+
+	return
+}
+
+// MustExec execute the sql and return all the KVEntry events
+func (p *MockTiDB) MustExec(sql string, args ...interface{}) []cdc.KVEntry {
+	tk := testkit.NewTestKit(p.c, p.store)
+	tk.MustExec(sql, args...)
+
+	entrys, err := p.updateEvent()
+	p.c.Assert(err, check.IsNil)
+
+	return entrys
+}
diff --git a/cdc/cdctest/mock_tidb_test.go b/cdc/cdctest/mock_tidb_test.go
new file mode 100644
index 00000000000..6850592ab48
--- /dev/null
+++ b/cdc/cdctest/mock_tidb_test.go
@@ -0,0 +1,33 @@
+package cdc
+
+import (
+	"testing"
+
+	"github.com/pingcap/check"
+	"github.com/pingcap/tidb-cdc/cdc"
+)
+
+func Test(t *testing.T) { check.TestingT(t) }
+
+type mockTiDBsuite struct {
+}
+
+var _ = check.Suite(&mockTiDBsuite{})
+
+func (s *mockTiDBsuite) TestCanGetKVEntrys(c *check.C) {
+	puller, err := NewMockPuller(c)
+	c.Assert(err, check.IsNil)
+
+	var entrys []cdc.KVEntry
+	entrys = puller.MustExec("create table test.test(id int primary key, a int)")
+	c.Assert(len(entrys), check.Greater, 0)
+	c.Log(len(entrys))
+
+	entrys = puller.MustExec("insert into test.test(id, a) values(?, ?)", 1, 1)
+	c.Assert(len(entrys), check.Greater, 0)
+	c.Log(entrys)
+
+	entrys = puller.MustExec("delete from test.test")
+	c.Assert(len(entrys), check.Greater, 0)
+	c.Log(entrys)
+}
diff --git a/cdc/changefeed.go b/cdc/changefeed.go
new file mode 100644
index 00000000000..469d40c2cde
--- /dev/null
+++ b/cdc/changefeed.go
@@ -0,0 +1,111 @@
+package cdc
+
+import (
+	"context"
+	"time"
+
+	"github.com/pingcap/errors"
+	"github.com/pingcap/log"
+	"github.com/pingcap/tidb/store/tikv/oracle"
+	"go.uber.org/zap"
+	"golang.org/x/sync/errgroup"
+)
+
+type formatType string
+
+const (
+	optFormat = "format"
+
+	optFormatJSON formatType = "json"
+)
+
+type emitEntry struct {
+	row *encodeRow
+
+	resolved *ResolvedSpan
+}
+
+type ChangeFeedDetail struct {
+	SinkURI      string
+	Opts         map[string]string
+	CheckpointTS uint64
+	CreateTime   time.Time
+}
+
+type ChangeFeed struct {
+	detail   ChangeFeedDetail
+	frontier *Frontier
+}
+
+func NewChangeFeed(detail ChangeFeedDetail) *ChangeFeed {
+	return &ChangeFeed{
+		detail: detail,
+	}
+}
+
+func (c *ChangeFeed) Start(ctx context.Context) error {
+	checkpointTS := c.detail.CheckpointTS
+	if checkpointTS == 0 {
+		checkpointTS = oracle.EncodeTSO(c.detail.CreateTime.Unix() * 1000)
+	}
+
+	var err error
+	c.frontier, err = NewFrontier([]Span{{nil, nil}}, c.detail)
+	if err != nil {
+		return errors.Annotate(err, "NewFrontier failed")
+	}
+
+	// TODO: just one capture watch all kv for test now
+	capure, err := NewCapture([]Span{{nil, nil}}, checkpointTS, c.detail)
+	if err != nil {
+		return errors.Annotate(err, "NewCapture failed")
+	}
+
+	errg, ctx := errgroup.WithContext(context.Background())
+
+	errg.Go(func() error {
+		return capure.Start(ctx)
+	})
+
+	// errg.Go(func() error {
+	// 	return frontier.Start(ctx)
+	// })
+
+	return errg.Wait()
+}
+
+// kvsToRows gets changed kvs from a closure and converts them into sql rows.
+// The returned closure is not threadsafe.
+func kvsToRows(
+	detail ChangeFeedDetail,
+	inputFn func(context.Context) (bufferEntry, error),
+) func(context.Context) (*emitEntry, error) {
+	panic("todo")
+}
+
+// emitEntries connects to a sink, receives rows from a closure, and repeatedly
+// emits them to the sink. It returns a closure that may be repeatedly called to
+// advance the changefeed and which returns span-level resolved timestamp
+// updates. The returned closure is not threadsafe.
+func emitEntries(
+	detail ChangeFeedDetail,
+	watchedSpans []Span,
+	encoder Encoder,
+	sink Sink,
+	inputFn func(context.Context) (*emitEntry, error),
+) func(context.Context) ([]ResolvedSpan, error) {
+	panic("todo")
+}
+
+// emitResolvedTimestamp emits a changefeed-level resolved timestamp
+func emitResolvedTimestamp(
+	ctx context.Context, encoder Encoder, sink Sink, resolved uint64,
+) error {
+	if err := sink.EmitResolvedTimestamp(ctx, encoder, resolved); err != nil {
+		return err
+	}
+
+	log.Info("resolved", zap.Uint64("timestamp", resolved))
+
+	return nil
+}
diff --git a/cdc/doc.go b/cdc/doc.go
new file mode 100644
index 00000000000..30f8aaec379
--- /dev/null
+++ b/cdc/doc.go
@@ -0,0 +1 @@
+package cdc
diff --git a/cdc/encoder.go b/cdc/encoder.go
new file mode 100644
index 00000000000..a2dc6fae3e7
--- /dev/null
+++ b/cdc/encoder.go
@@ -0,0 +1,72 @@
+package cdc
+
+import (
+	"fmt"
+
+	"github.com/pingcap/errors"
+	"github.com/pingcap/parser/model"
+	"github.com/pingcap/tidb/types"
+)
+
+// encodeRow holds all the pieces necessary to encode a row change into a key or
+// value.
+type encodeRow struct {
+	// datums is the new value of a changed table row.
+	datums []types.Datum
+
+	commitTS uint64
+
+	// deleted is true if row is a deletion. In this case, only the primary
+	// key columns are guaranteed to be set in `datums`.
+	deleted bool
+
+	tableInfo *model.TableInfo
+}
+
+type Encoder interface {
+	// EncodeKey encodes the primary key of the given row.
+	EncodeKey(encodeRow) ([]byte, error)
+
+	// EncodeValue encodes the primary key of the given row.
+	EncodeValue(encodeRow) ([]byte, error)
+
+	// EncodeResolvedTimestamp encodes a resolved timestamp payload
+	EncodeResolvedTimestamp(uint64) ([]byte, error)
+}
+
+func getEncoder(opts map[string]string) (Encoder, error) {
+	switch formatType(opts[optFormat]) {
+	case "", optFormatJSON:
+		return newJSONEncoder(opts)
+	default:
+		return nil, errors.Errorf("unknow format: %s", opts[optFormat])
+	}
+}
+
+type jsonEncoder struct {
+}
+
+var _ Encoder = &jsonEncoder{}
+
+func newJSONEncoder(opts map[string]string) (*jsonEncoder, error) {
+	// TODO
+	return &jsonEncoder{}, nil
+}
+
+func (e *jsonEncoder) EncodeKey(row encodeRow) ([]byte, error) {
+	// TODO
+	str := fmt.Sprintf("%+v", row)
+	return []byte(str), nil
+}
+
+func (e *jsonEncoder) EncodeValue(row encodeRow) ([]byte, error) {
+	// TODO
+	str := fmt.Sprintf("%+v", row)
+	return []byte(str), nil
+}
+
+func (e *jsonEncoder) EncodeResolvedTimestamp(ts uint64) ([]byte, error) {
+	// TODO
+	str := fmt.Sprintf("ts: %v", ts)
+	return []byte(str), nil
+}
diff --git a/cdc/puller.go b/cdc/puller.go
new file mode 100644
index 00000000000..75204e83c2b
--- /dev/null
+++ b/cdc/puller.go
@@ -0,0 +1,34 @@
+package cdc
+
+import "context"
+
+// puller pull data from tikv and push changes into a buffer
+type puller struct {
+	checkpointTS uint64
+	spans        []Span
+	detail       ChangeFeedDetail
+	buf          *buffer
+}
+
+func newPuller(
+	checkpointTS uint64,
+	spans []Span,
+	detail ChangeFeedDetail,
+	buf *buffer,
+) *puller {
+	p := &puller{
+		checkpointTS: checkpointTS,
+		spans:        spans,
+		detail:       detail,
+		buf:          buf,
+	}
+
+	return p
+}
+
+func (p *puller) Run(ctx context.Context) error {
+	// TODO pull from tikv and push into buf
+	// need buffer in memory first
+	<-ctx.Done()
+	return nil
+}
diff --git a/cdc/rowfetcher.go b/cdc/rowfetcher.go
new file mode 100644
index 00000000000..e6bbb9f7e39
--- /dev/null
+++ b/cdc/rowfetcher.go
@@ -0,0 +1,24 @@
+package cdc
+
+import (
+	"context"
+
+	"github.com/pingcap/parser/model"
+	"github.com/pingcap/tidb/types"
+)
+
+// rowFetcher convert kv to row
+type rowFetcher struct {
+}
+
+func newRowFetcher() *rowFetcher {
+	panic("TODO")
+}
+
+func (c *rowFetcher) TableInfoForKey(ctx context.Context, key []byte, ts uint64) (table *model.TableInfo, err error) {
+	panic("TODO")
+}
+
+func (c *rowFetcher) GetRowByKey(ctx context.Context, key []byte, ts uint64) (datums []types.Datum, table *model.TableInfo, err error) {
+	panic("TODO")
+}
diff --git a/cdc/sink.go b/cdc/sink.go
new file mode 100644
index 00000000000..576b742b63c
--- /dev/null
+++ b/cdc/sink.go
@@ -0,0 +1,62 @@
+package cdc
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+
+	"github.com/pingcap/parser/model"
+)
+
+// Sink is an abstraction for anything that a changefeed may emit into.
+type Sink interface {
+	EmitRow(
+		ctx context.Context,
+		table *model.TableInfo,
+		key, value []byte,
+		ts uint64,
+	) error
+	EmitResolvedTimestamp(
+		ctx context.Context,
+		encoder Encoder,
+		resolved uint64,
+	) error
+	// Flush blocks until every message enqueued by EmitRow and
+	// EmitResolvedTimestamp has been acknowledged by the sink.
+	Flush(ctx context.Context) error
+	// Close does not guarantee delivery of outstanding messages.
+	Close() error
+}
+
+func getSink(
+	sinkURI string,
+	opts map[string]string,
+) (Sink, error) {
+	// TODO
+	return &writerSink{Writer: os.Stdout}, nil
+}
+
+type writerSink struct {
+	io.Writer
+}
+
+var _ Sink = &writerSink{}
+
+func (s *writerSink) EmitRow(ctx context.Context, table *model.TableInfo, key, value []byte, updated uint64) error {
+	fmt.Fprintf(s, "key: %s, value: %s, updated: %d", string(key), string(value), updated)
+	return nil
+}
+
+func (s *writerSink) EmitResolvedTimestamp(ctx context.Context, encoder Encoder, resolved uint64) error {
+	fmt.Fprintf(s, "resolved: %d", resolved)
+	return nil
+}
+
+func (s *writerSink) Flush(ctx context.Context) error {
+	return nil
+}
+
+func (s *writerSink) Close() error {
+	return nil
+}
diff --git a/cdc/util.go b/cdc/util.go
new file mode 100644
index 00000000000..59c320791c4
--- /dev/null
+++ b/cdc/util.go
@@ -0,0 +1,6 @@
+package cdc
+
+type Span struct {
+	Start []byte
+	End   []byte
+}
diff --git a/cmd/cdc/main.go b/cmd/cdc/main.go
new file mode 100644
index 00000000000..26d641d7c44
--- /dev/null
+++ b/cmd/cdc/main.go
@@ -0,0 +1,21 @@
+package main
+
+import (
+	"context"
+	"time"
+
+	"github.com/pingcap/tidb-cdc/cdc"
+)
+
+func main() {
+	detail := cdc.ChangeFeedDetail{
+		SinkURI:      "",
+		Opts:         make(map[string]string),
+		CheckpointTS: 0,
+		CreateTime:   time.Now(),
+	}
+
+	feed := cdc.NewChangeFeed(detail)
+
+	feed.Start(context.Background())
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 00000000000..1de9fd01714
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,16 @@
+module github.com/pingcap/tidb-cdc
+
+go 1.12
+
+require (
+	github.com/pingcap/check v0.0.0-20190102082844-67f458068fc8
+	github.com/pingcap/errors v0.11.4
+	github.com/pingcap/kvproto v0.0.0-20190809124429-2c7868ade918
+	github.com/pingcap/log v0.0.0-20190307075452-bd41d9273596
+	github.com/pingcap/parser v0.0.0-20190812082400-1619718d231d
+	github.com/pingcap/tidb v0.0.0-20190813092053-6d51ad33fd86
+	github.com/remyoudompheng/bigfft v0.0.0-20190728182440-6a916e37a237 // indirect
+	github.com/sirupsen/logrus v1.4.2 // indirect
+	go.uber.org/zap v1.9.1
+	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 00000000000..8206f77f9ae
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,316 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/StackExchange/wmi v0.0.0-20180725035823-b12b22c5341f h1:5ZfJxyXo8KyX8DgGXC5B7ILL8y51fci/qYz2B4j8iLY=
+github.com/StackExchange/wmi v0.0.0-20180725035823-b12b22c5341f/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
+github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
+github.com/blacktear23/go-proxyprotocol v0.0.0-20180807104634-af7a81e8dd0d/go.mod h1:VKt7CNAQxpFpSDz3sXyj9hY/GbVsQCr0sB3w59nE7lU=
+github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20171208011716-f6d7a1f6fbf3/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd h1:qMd81Ts1T2OTKmB4acZcyKaMtRnY5Y44NuXGX2GFJ1w=
+github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
+github.com/coreos/bbolt v1.3.3 h1:n6AiVyVRKQFNb6mJlwESEvvLoDyiTzXX7ORAUlkeBdY=
+github.com/coreos/bbolt v1.3.3/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
+github.com/coreos/etcd v3.3.13+incompatible h1:8F3hqu9fGYLBifCmRCJsicFqDx/D68Rt3q1JMazcgBQ=
+github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/coreos/go-semver v0.2.0 h1:3Jm3tLmsgAYcjC+4Up7hJrFBPr+n7rAqYeSw/SZazuY=
+github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
+github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/go-systemd v0.0.0-20181031085051-9002847aa142 h1:3jFq2xL4ZajGK4aZY8jz+DAF0FHjI51BXjjSwCzS1Dk=
+github.com/coreos/go-systemd v0.0.0-20181031085051-9002847aa142/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f h1:lBNOc5arjvs8E5mO2tbpBpLoyyu8B6e44T7hJy6potg=
+github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548 h1:iwZdTE0PVqJCos1vaoKsclOGD3ADKpshg3SRtYBbwso=
+github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548/go.mod h1:e6NPNENfs9mPDVNRekM7lKScauxd5kXTr1Mfyig6TDM=
+github.com/cznic/sortutil v0.0.0-20150617083342-4c7342852e65 h1:hxuZop6tSoOi0sxFzoGGYdRqNrPubyaIf9KoBG9tPiE=
+github.com/cznic/sortutil v0.0.0-20150617083342-4c7342852e65/go.mod h1:q2w6Bg5jeox1B+QkJ6Wp/+Vn0G/bo3f1uY7Fn3vivIQ=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
+github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/dgryski/go-farm v0.0.0-20190104051053-3adb47b1fb0f h1:dDxpBYafY/GYpcl+LS4Bn3ziLPuEdGRkRjYAbSlWxSA=
+github.com/dgryski/go-farm v0.0.0-20190104051053-3adb47b1fb0f/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
+github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
+github.com/dustin/go-humanize v0.0.0-20180421182945-02af3965c54e/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
+github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
+github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
+github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385 h1:clC1lXBpe2kTj2VHdaIu9ajZQe4kcEY9j0NsnDDBZ3o=
+github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385/go.mod h1:0vRUJqYpeSZifjYj7uP3BG/gKcuzL9xWVV/Y+cK33KM=
+github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
+github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32 h1:Mn26/9ZMNWSw9C9ERFA1PUxfmGpolnw2v0bKOREu5ew=
+github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32/go.mod h1:GIjDIg/heH5DOkXY3YJ/wNhfHsQHoXGjl8G8amsYQ1I=
+github.com/go-ole/go-ole v1.2.1 h1:2lOsA72HgjxAuMlKpFiCbHTvu44PIVkZ5hqm3RSdI/E=
+github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8=
+github.com/go-playground/overalls v0.0.0-20180201144345-22ec1a223b7c/go.mod h1:UqxAgEOt89sCiXlrc/ycnx00LVvUO/eS8tMUkWX4R7w=
+github.com/go-sql-driver/mysql v0.0.0-20170715192408-3955978caca4/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
+github.com/gogo/protobuf v0.0.0-20180717141946-636bf0302bc9/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
+github.com/gogo/protobuf v1.0.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
+github.com/gogo/protobuf v1.2.0 h1:xU6/SpYbvkNYiptHJYEDRseDLvYE7wSqhYYNy0QSUzI=
+github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
+github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
+github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
+github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20181024230925-c65c006176ff h1:kOkM9whyQYodu09SJ6W3NCsHG7crFaJILQ22Gozp3lg=
+github.com/golang/groupcache v0.0.0-20181024230925-c65c006176ff/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:tluoj9z5200jBnyusfRPU2LqT6J+DAorxEvtC7LHB+E=
+github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
+github.com/golang/protobuf v0.0.0-20180814211427-aa810b61a9c7 h1:p/hiLRboJwYw/Zd17zl9YSKqGjsqEopH1+jdzSQvl7s=
+github.com/golang/protobuf v0.0.0-20180814211427-aa810b61a9c7/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
+github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db h1:woRePGFeVFfLKN/pOkfl+p/TAqKOfFu+7KPlMVpok/w=
+github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/google/btree v0.0.0-20180124185431-e89373fe6b4a/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
+github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c h1:964Od4U6p2jUkFxvCydnIczKteheJEzHRToSGK3Bnlw=
+github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
+github.com/google/shlex v0.0.0-20181106134648-c34317bd91bf/go.mod h1:RpwtwJQFrIEPstU94h88MWPXP2ektJZ8cZ0YntAmXiE=
+github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
+github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gorilla/context v0.0.0-20160226214623-1ea25387ff6f/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
+github.com/gorilla/context v1.1.1 h1:AWwleXJkX/nhcU9bZSnZoi3h/qGYqQAGhq6zZe/aQW8=
+github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
+github.com/gorilla/mux v1.6.1/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
+github.com/gorilla/mux v1.6.2 h1:Pgr17XVTNXAk3q/r4CpKzC5xBM/qW1uVLV+IhRZpIIk=
+github.com/gorilla/mux v1.6.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
+github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/gorilla/websocket v1.2.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
+github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4 h1:z53tR0945TRRQO/fLEVPI6SMv7ZflF0TEaTAoU7tOzg=
+github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
+github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 h1:Ovs26xHkKqVztRpIrF/92BcuyuQ/YW4NSIpoGtfXNho=
+github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
+github.com/grpc-ecosystem/grpc-gateway v1.4.1/go.mod h1:RSKVYQBd5MCa4OVpNdGskqpgL2+G+NZTnrVHpWWfpdw=
+github.com/grpc-ecosystem/grpc-gateway v1.5.1 h1:3scN4iuXkNOyP98jF55Lv8a9j1o/IwvnDIZ0LHJK1nk=
+github.com/grpc-ecosystem/grpc-gateway v1.5.1/go.mod h1:RSKVYQBd5MCa4OVpNdGskqpgL2+G+NZTnrVHpWWfpdw=
+github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
+github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
+github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
+github.com/jonboulle/clockwork v0.1.0 h1:VKV+ZcuP6l3yW9doeqz6ziZGgcynBVQO+obU0+0hcPo=
+github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
+github.com/json-iterator/go v1.1.6 h1:MrUvLMLTMxbqFJ9kzlvat/rYZqZnW3u4wkLzWTaFwKs=
+github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
+github.com/juju/ratelimit v1.0.1 h1:+7AIFJVQ0EQgq/K9+0Krm7m530Du7tIz0METWzN0RgY=
+github.com/juju/ratelimit v1.0.1/go.mod h1:qapgC/Gy+xNh9UxzV13HGGl/6UXNN+ct+vwSgWNm/qk=
+github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
+github.com/klauspost/cpuid v0.0.0-20170728055534-ae7887de9fa5 h1:2U0HzY8BJ8hVwDKIzp7y4voR9CX/nvcfymLmg2UiOio=
+github.com/klauspost/cpuid v0.0.0-20170728055534-ae7887de9fa5/go.mod h1:Pj4uuM528wm8OyEC2QMXAi2YiTZ96dNQPGgoMS4s3ek=
+github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
+github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.0.0/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
+github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
+github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
+github.com/mattn/go-shellwords v1.0.3/go.mod h1:3xCvwCdWdlDJUrvuMn7Wuy9eWs4pE8vqg+NOMyg4B2o=
+github.com/matttproud/golang_protobuf_extensions v1.0.0/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
+github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
+github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9AWI=
+github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
+github.com/montanaflynn/stats v0.0.0-20151014174947-eeaced052adb/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc=
+github.com/montanaflynn/stats v0.0.0-20180911141734-db72e6cae808 h1:pmpDGKLw4n82EtrNiLqB+xSz/JQwFOaZuMALYUHwX5s=
+github.com/montanaflynn/stats v0.0.0-20180911141734-db72e6cae808/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc=
+github.com/myesui/uuid v1.0.0 h1:xCBmH4l5KuvLYc5L7AS7SZg9/jKdIFubM7OVoLqaQUI=
+github.com/myesui/uuid v1.0.0/go.mod h1:2CDfNgU0LR8mIdO8vdWd8i9gWWxLlcoIGGpSNgafq84=
+github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 h1:7KAv7KMGTTqSmYZtNdcNTgsos+vFzULLwyElndwn+5c=
+github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7/go.mod h1:iWMfgwqYW+e8n5lC/jjNEhwcjbRDpl5NT7n2h+4UNcI=
+github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef h1:K0Fn+DoFqNqktdZtdV3bPQ/0cuYh2H4rkg0tytX/07k=
+github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef/go.mod h1:7WjlapSfwQyo6LNmIvEWzsW1hbBQfpUO4JWnuQRmva8=
+github.com/nicksnyder/go-i18n v1.10.0/go.mod h1:HrK7VCrbOvQoUAQ7Vpy7i87N7JZZZ7R2xBGjv0j365Q=
+github.com/olekukonko/tablewriter v0.0.0-20170122224234-a0225b3f23b5/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
+github.com/onsi/ginkgo v1.6.0 h1:Ix8l273rp3QzYgXSR+c8d1fTG7UPgYkOSELPhiY/YGw=
+github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
+github.com/onsi/gomega v1.4.2 h1:3mYCb7aPxS/RU7TI1y4rkEn1oKmPRjNJLNEXgw7MH2I=
+github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
+github.com/opentracing/basictracer-go v1.0.0 h1:YyUAhaEfjoWXclZVJ9sGoNct7j4TVk7lZWlQw5UXuoo=
+github.com/opentracing/basictracer-go v1.0.0/go.mod h1:QfBfYuafItcjQuMwinw9GhYKwFXS9KnPs5lxoYwgW74=
+github.com/opentracing/opentracing-go v1.0.2 h1:3jA2P6O1F9UOrWVpwrIo17pu01KWvNWg4X946/Y5Zwg=
+github.com/opentracing/opentracing-go v1.0.2/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
+github.com/pelletier/go-toml v1.3.0/go.mod h1:PN7xzY2wHTK0K9p34ErDQMlFxa51Fk0OUruD3k1mMwo=
+github.com/pingcap/check v0.0.0-20190102082844-67f458068fc8 h1:USx2/E1bX46VG32FIw034Au6seQ2fY9NEILmNh/UlQg=
+github.com/pingcap/check v0.0.0-20190102082844-67f458068fc8/go.mod h1:B1+S9LNcuMyLH/4HMTViQOJevkGiik3wW2AN9zb2fNQ=
+github.com/pingcap/errcode v0.0.0-20180921232412-a1a7271709d9 h1:KH4f4Si9XK6/IW50HtoaiLIFHGkapOM6w83za47UYik=
+github.com/pingcap/errcode v0.0.0-20180921232412-a1a7271709d9/go.mod h1:4b2X8xSqxIroj/IZ9MX/VGZhAwc11wB9wRIzHvz6SeM=
+github.com/pingcap/errors v0.10.1/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8=
+github.com/pingcap/errors v0.11.0/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8=
+github.com/pingcap/errors v0.11.4 h1:lFuQV/oaUMGcD2tqt+01ROSmJs75VG1ToEOkZIZ4nE4=
+github.com/pingcap/errors v0.11.4/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8=
+github.com/pingcap/failpoint v0.0.0-20190512135322-30cc7431d99c h1:hvQd3aOLKLF7xvRV6DzvPkKY4QXzfVbjU1BhW0d9yL8=
+github.com/pingcap/failpoint v0.0.0-20190512135322-30cc7431d99c/go.mod h1:DNS3Qg7bEDhU6EXNHF+XSv/PGznQaMJ5FWvctpm6pQI=
+github.com/pingcap/goleveldb v0.0.0-20171020122428-b9ff6c35079e h1:P73/4dPCL96rGrobssy1nVy2VaVpNCuLpCbr+FEaTA8=
+github.com/pingcap/goleveldb v0.0.0-20171020122428-b9ff6c35079e/go.mod h1:O17XtbryoCJhkKGbT62+L2OlrniwqiGLSqrmdHCMzZw=
+github.com/pingcap/kvproto v0.0.0-20190516013202-4cf58ad90b6c/go.mod h1:QMdbTAXCHzzygQzqcG9uVUgU2fKeSN1GmfMiykdSzzY=
+github.com/pingcap/kvproto v0.0.0-20190703131923-d9830856b531/go.mod h1:QMdbTAXCHzzygQzqcG9uVUgU2fKeSN1GmfMiykdSzzY=
+github.com/pingcap/kvproto v0.0.0-20190809124429-2c7868ade918 h1:C1BTPCpddwgAL0t661vsxN2cObOqcj/XT680Yahmy48=
+github.com/pingcap/kvproto v0.0.0-20190809124429-2c7868ade918/go.mod h1:QMdbTAXCHzzygQzqcG9uVUgU2fKeSN1GmfMiykdSzzY=
+github.com/pingcap/log v0.0.0-20190214045112-b37da76f67a7/go.mod h1:xsfkWVaFVV5B8e1K9seWfyJWFrIhbtUTAD8NV1Pq3+w=
+github.com/pingcap/log v0.0.0-20190307075452-bd41d9273596 h1:t2OQTpPJnrPDGlvA+3FwJptMTt6MEPdzK1Wt99oaefQ=
+github.com/pingcap/log v0.0.0-20190307075452-bd41d9273596/go.mod h1:WpHUKhNZ18v116SvGrmjkA9CBhYmuUTKL+p8JC9ANEw=
+github.com/pingcap/parser v0.0.0-20190805112544-2b054e14336b/go.mod h1:1FNvfp9+J0wvc4kl8eGNh7Rqrxveg15jJoWo/a0uHwA=
+github.com/pingcap/parser v0.0.0-20190812082400-1619718d231d h1:o+wTXdO0PQXc/Ya4fd/fz40dBXRD3TfMUXE9XHb1PIw=
+github.com/pingcap/parser v0.0.0-20190812082400-1619718d231d/go.mod h1:1FNvfp9+J0wvc4kl8eGNh7Rqrxveg15jJoWo/a0uHwA=
+github.com/pingcap/pd v0.0.0-20190712044914-75a1f9f3062b h1:oS9PftxQqgcRouKhhdaB52tXhVLEP7Ng3Qqsd6Z18iY=
+github.com/pingcap/pd v0.0.0-20190712044914-75a1f9f3062b/go.mod h1:3DlDlFT7EF64A1bmb/tulZb6wbPSagm5G4p1AlhaEDs=
+github.com/pingcap/tidb v0.0.0-20190813092053-6d51ad33fd86 h1:CA7mV9MJdXwzALjVOS0I1jRJHwb1Jw2v0GQomPXBt6Q=
+github.com/pingcap/tidb v0.0.0-20190813092053-6d51ad33fd86/go.mod h1:j/EVIvWdIkHwKIpWZgjh75WWxC2YPjYdCp9UOlzKyMg=
+github.com/pingcap/tidb-tools v2.1.3-0.20190321065848-1e8b48f5c168+incompatible h1:MkWCxgZpJBgY2f4HtwWMMFzSBb3+JPzeJgF3VrXE/bU=
+github.com/pingcap/tidb-tools v2.1.3-0.20190321065848-1e8b48f5c168+incompatible/go.mod h1:XGdcy9+yqlDSEMTpOXnwf3hiTeqrV6MN/u1se9N8yIM=
+github.com/pingcap/tipb v0.0.0-20190428032612-535e1abaa330 h1:rRMLMjIMFulCX9sGKZ1hoov/iROMsKyC8Snc02nSukw=
+github.com/pingcap/tipb v0.0.0-20190428032612-535e1abaa330/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI=
+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/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/prometheus/client_golang v0.8.0/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
+github.com/prometheus/client_golang v0.9.0 h1:tXuTFVHC03mW0D+Ua1Q2d1EAVqLTuggX50V0VLICCzY=
+github.com/prometheus/client_golang v0.9.0/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
+github.com/prometheus/client_model v0.0.0-20170216185247-6f3806018612/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
+github.com/prometheus/client_model v0.0.0-20171117100541-99fa1f4be8e5/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
+github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910 h1:idejC8f05m9MGOsuEi1ATq9shN03HrxNkD/luQvxCv8=
+github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
+github.com/prometheus/common v0.0.0-20180518154759-7600349dcfe1/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
+github.com/prometheus/common v0.0.0-20181020173914-7e9e6cabbd39 h1:Cto4X6SVMWRPBkJ/3YHn1iDGDGc/Z+sW+AEMKHMVvN4=
+github.com/prometheus/common v0.0.0-20181020173914-7e9e6cabbd39/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
+github.com/prometheus/procfs v0.0.0-20180612222113-7d6f385de8be/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
+github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d h1:GoAlyOgbOEIFdaDqxJVlbOQ1DtGmZWs/Qau0hIlk+WQ=
+github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
+github.com/remyoudompheng/bigfft v0.0.0-20190512091148-babf20351dd7/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+github.com/remyoudompheng/bigfft v0.0.0-20190728182440-6a916e37a237 h1:HQagqIiBmr8YXawX/le3+O26N+vPPC1PtjaF3mwnook=
+github.com/remyoudompheng/bigfft v0.0.0-20190728182440-6a916e37a237/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
+github.com/shirou/gopsutil v2.18.10+incompatible h1:cy84jW6EVRPa5g9HAHrlbxMSIjBhDSX0OFYyMYminYs=
+github.com/shirou/gopsutil v2.18.10+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
+github.com/shurcooL/httpfs v0.0.0-20171119174359-809beceb2371/go.mod h1:ZY1cvUeJuFPAdZ/B6v7RHavJWZn2YPVFQ1OSXhCGOkg=
+github.com/shurcooL/vfsgen v0.0.0-20181020040650-a97a25d856ca/go.mod h1:TrYk7fJVaAttu97ZZKrO9UbRa8izdowaMIZcxYMbVaw=
+github.com/sirupsen/logrus v1.0.5/go.mod h1:pMByvHTf9Beacp5x1UXfOR9xyW/9antXMhjMPG0dEzc=
+github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
+github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4=
+github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
+github.com/soheilhy/cmux v0.1.4 h1:0HKaf1o97UwFjHH9o5XsHUOF+tqmdA7KEzXLpiyaw0E=
+github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
+github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72 h1:qLC7fQah7D6K1B0ujays3HV9gkFtllcxhzImRR7ArPQ=
+github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
+github.com/spf13/cobra v0.0.3/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
+github.com/spf13/pflag v1.0.1 h1:aCvUg6QPl3ibpQUxyLkrEkCHtPqYJL4x9AuhqVqFis4=
+github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/struCoder/pidusage v0.1.2/go.mod h1:pWBlW3YuSwRl6h7R5KbvA4N8oOqe9LjaKW5CwT1SPjI=
+github.com/syndtr/goleveldb v0.0.0-20180815032940-ae2bd5eed72d h1:4J9HCZVpvDmj2tiKGSTUnb3Ok/9CEQb9oqu9LHKQQpc=
+github.com/syndtr/goleveldb v0.0.0-20180815032940-ae2bd5eed72d/go.mod h1:Z4AUp2Km+PwemOoO/VB5AOx9XSsIItzFjoJlOSiYmn0=
+github.com/tiancaiamao/appdash v0.0.0-20181126055449-889f96f722a2/go.mod h1:2PfKggNGDuadAa0LElHrByyrz4JPZ9fFx6Gs7nx7ZZU=
+github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
+github.com/tmc/grpc-websocket-proxy v0.0.0-20171017195756-830351dc03c6 h1:lYIiVDtZnyTWlNwiAxLj0bbpTcx1BWCFhXjfsvmPdNc=
+github.com/tmc/grpc-websocket-proxy v0.0.0-20171017195756-830351dc03c6/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
+github.com/twinj/uuid v1.0.0 h1:fzz7COZnDrXGTAOHGuUGYd6sG+JMq+AoE7+Jlu0przk=
+github.com/twinj/uuid v1.0.0/go.mod h1:mMgcE1RHFUFqe5AfiwlINXisXfDGro23fWdPUfOMjRY=
+github.com/uber-go/atomic v1.3.2 h1:Azu9lPBWRNKzYXSIwRfgRuDuS0YKsK4NFhiQv98gkxo=
+github.com/uber-go/atomic v1.3.2/go.mod h1:/Ct5t2lcmbJ4OSe/waGBoaVvVqtO0bmtfVNex1PFV8g=
+github.com/uber/jaeger-client-go v2.15.0+incompatible h1:NP3qsSqNxh8VYr956ur1N/1C1PjvOJnJykCzcD5QHbk=
+github.com/uber/jaeger-client-go v2.15.0+incompatible/go.mod h1:WVhlPFC8FDjOFMMWRy2pZqQJSXxYSwNYOkTr/Z6d3Kk=
+github.com/uber/jaeger-lib v1.5.0 h1:OHbgr8l656Ub3Fw5k9SWnBfIEwvoHQ+W2y+Aa9D1Uyo=
+github.com/uber/jaeger-lib v1.5.0/go.mod h1:ComeNDZlWwrWnDv8aPp0Ba6+uUTzImX/AauajbLI56U=
+github.com/ugorji/go v1.1.2 h1:JON3E2/GPW2iDNGoSAusl1KDf5TRQ8k8q7Tp097pZGs=
+github.com/ugorji/go v1.1.2/go.mod h1:hnLbHMwcvSihnDhEfx2/BzKp2xb0Y+ErdfYcrs9tkJQ=
+github.com/ugorji/go/codec v0.0.0-20190204201341-e444a5086c43 h1:BasDe+IErOQKrMVXab7UayvSlIpiyGwRvuX3EKYY7UA=
+github.com/ugorji/go/codec v0.0.0-20190204201341-e444a5086c43/go.mod h1:iT03XoTwV7xq/+UGwKO3UbC1nNNlopQiY61beSdrtOA=
+github.com/unrolled/render v0.0.0-20171102162132-65450fb6b2d3/go.mod h1:tu82oB5W2ykJRVioYsB+IQKcft7ryBr7w12qMBUPyXg=
+github.com/unrolled/render v0.0.0-20180914162206-b9786414de4d h1:ggUgChAeyge4NZ4QUw6lhHsVymzwSDJOZcE0s2X8S20=
+github.com/unrolled/render v0.0.0-20180914162206-b9786414de4d/go.mod h1:tu82oB5W2ykJRVioYsB+IQKcft7ryBr7w12qMBUPyXg=
+github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
+github.com/urfave/negroni v0.3.0/go.mod h1:Meg73S6kFm/4PpbYdq35yYWoCZ9mS/YSx+lKnmiohz4=
+github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 h1:eY9dn8+vbi4tKz5Qo6v2eYzo7kUS51QINcR5jNpbZS8=
+github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
+github.com/yookoala/realpath v1.0.0/go.mod h1:gJJMA9wuX7AcqLy1+ffPatSCySA1FQ2S8Ya9AIoYBpE=
+go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
+go.etcd.io/bbolt v1.3.3 h1:MUGmc65QhB3pIlaQ5bB4LwqSj6GIonVJXpZiaKNyaKk=
+go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
+go.etcd.io/etcd v0.0.0-20190320044326-77d4b742cdbf h1:rmttwKPEgG/l4UscTDYtaJgeUsedKPKSyFfNQLI6q+I=
+go.etcd.io/etcd v0.0.0-20190320044326-77d4b742cdbf/go.mod h1:KSGwdbiFchh5KIC9My2+ZVl5/3ANcwohw50dpPwa2cw=
+go.uber.org/atomic v1.3.2 h1:2Oa65PReHzfn29GpvgsYwloV9AVFHPDk8tYxt2c2tr4=
+go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
+go.uber.org/multierr v1.1.0 h1:HoEmRHQPVSqub6w2z2d2EOVs2fjyFRGyofhKuyDq0QI=
+go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
+go.uber.org/zap v1.9.1 h1:XCJQEf3W6eZaVwhRBof6ImoYGJSITeKWsyeh3HFu/5o=
+go.uber.org/zap v1.9.1/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
+golang.org/x/crypto v0.0.0-20180608092829-8ac0e0d97ce4/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/crypto v0.0.0-20180904163835-0709b304e793 h1:u+LnwYTOOW7Ukr/fppxEb1Nwz0AtPflrblfvUudpo+I=
+golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
+golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
+golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20181106065722-10aee1819953/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e h1:bRhVy7zSSasaqNksaRZiA5EEI+Ei4I1nO5Jh72wfHlg=
+golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
+golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 h1:YUO/7uOKsKeq9UokNS62b8FYywz3ker1l1vDZRCRefw=
+golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190109145017-48ac38b7c8cb/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190422165155-953cdadca894 h1:Cz4ceDQGXuKRnVBDTS23GTn/pU5OE2C0WrNTOYK1Uuc=
+golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2 h1:+DCIGbF/swA92ohVg0//6X2IVY3KZs6p9mix0ziNYJM=
+golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190130214255-bb1329dc71a0 h1:iRpjPej1fPzmfoBhMFkp3HdqzF+ytPmAwiQhJGV0zGw=
+golang.org/x/tools v0.0.0-20190130214255-bb1329dc71a0/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
+google.golang.org/genproto v0.0.0-20180608181217-32ee49c4dd80/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
+google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
+google.golang.org/genproto v0.0.0-20181004005441-af9cb2a35e7f/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
+google.golang.org/genproto v0.0.0-20190108161440-ae2f86662275 h1:9oFlwfEGIvmxXTcY53ygNyxIQtWciRHjrnUvZJCYXYU=
+google.golang.org/genproto v0.0.0-20190108161440-ae2f86662275/go.mod h1:7Ep/1NZk928CDR8SjdVbjWNpdIf6nzjE3BTgJDr2Atg=
+google.golang.org/grpc v0.0.0-20180607172857-7a6a684ca69e/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
+google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
+google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
+google.golang.org/grpc v1.17.0 h1:TRJYBgMclJvGYn2rIMjj+h9KtMt5r1Ij7ODVRIZkwhk=
+google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
+gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
+gopkg.in/alecthomas/gometalinter.v2 v2.0.12/go.mod h1:NDRytsqEZyolNuAgTzJkZMkSQM7FIKyzVzGhjB/qfYo=
+gopkg.in/alecthomas/kingpin.v3-unstable v3.0.0-20180810215634-df19058c872c/go.mod h1:3HH7i1SgMqlzxCcBmUHW657sD4Kvv9sC3HpL3YukzwA=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
+gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
+gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=
+gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+sourcegraph.com/sourcegraph/appdash v0.0.0-20180531100431-4c381bd170b4 h1:VO9oZbbkvTwqLimlQt15QNdOOBArT2dw/bvzsMZBiqQ=
+sourcegraph.com/sourcegraph/appdash v0.0.0-20180531100431-4c381bd170b4/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
+sourcegraph.com/sourcegraph/appdash-data v0.0.0-20151005221446-73f23eafcf67/go.mod h1:L5q+DGLGOQFpo1snNEkLOJT2d1YTW66rWNzatr3He1k=
diff --git a/tools/check/check-tidy.sh b/tools/check/check-tidy.sh
new file mode 100755
index 00000000000..b0f35462356
--- /dev/null
+++ b/tools/check/check-tidy.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+GO111MODULE=on go mod tidy
+git diff --quiet
diff --git a/tools/check/go.mod b/tools/check/go.mod
new file mode 100644
index 00000000000..eb7b1f08796
--- /dev/null
+++ b/tools/check/go.mod
@@ -0,0 +1,19 @@
+module github.com/pingcap/tidb-binlog/_tools
+
+require (
+	github.com/go-critic/go-critic v0.0.0-20181204210945-ee9bf5809ead // indirect
+	github.com/golangci/golangci-lint v1.16.1-0.20190425135923-692dacb773b7
+	github.com/mattn/go-colorable v0.1.1 // indirect
+	github.com/mattn/go-isatty v0.0.7 // indirect
+	github.com/mattn/go-runewidth v0.0.4 // indirect
+	github.com/mgechev/dots v0.0.0-20181228164730-18fa4c4b71cc // indirect
+	github.com/mgechev/revive v0.0.0-20190422175802-e8c1baf8ac0e
+	github.com/olekukonko/tablewriter v0.0.1 // indirect
+	github.com/pkg/errors v0.8.1 // indirect
+	golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734 // indirect
+	golang.org/x/net v0.0.0-20190424112056-4829fb13d2c6 // indirect
+	golang.org/x/sys v0.0.0-20190426135247-a129542de9ae // indirect
+	golang.org/x/text v0.3.2 // indirect
+	golang.org/x/tools v0.0.0-20190425222832-ad9eeb80039a // indirect
+	sourcegraph.com/sourcegraph/go-diff v0.5.1-0.20190210232911-dee78e514455 // indirect
+)
diff --git a/tools/check/go.sum b/tools/check/go.sum
new file mode 100644
index 00000000000..2d362cb7a11
--- /dev/null
+++ b/tools/check/go.sum
@@ -0,0 +1,212 @@
+github.com/BurntSushi/toml v0.3.0/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/OpenPeeDeeP/depguard v0.0.0-20180806142446-a69c782687b2 h1:HTOmFEEYrWi4MW5ZKUx6xfeyM10Sx3kQF65xiQJMPYA=
+github.com/OpenPeeDeeP/depguard v0.0.0-20180806142446-a69c782687b2/go.mod h1:7/4sitnI9YlQgTLLk734QlzXT8DuHVnAyztLplQjk+o=
+github.com/Quasilyte/go-consistent v0.0.0-20181230194409-8f8379e70f99/go.mod h1:ds1OLa3HF2x4OGKCx0pNTVL1s9Ii/2mT0Bg/8PtW6AM=
+github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fatih/color v1.6.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
+github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fatih/structtag v1.0.0 h1:pTHj65+u3RKWYPSGaU290FpI/dXxTaHdVwVwbcPKmEc=
+github.com/fatih/structtag v1.0.0/go.mod h1:IKitwq45uXL/yqi5mYghiD3w9H6eTOvI9vnk8tXMphA=
+github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
+github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/go-critic/go-critic v0.0.0-20181204210945-c3db6069acc5/go.mod h1:Jc75BZJv2dNy7opKH6bF29VveDQHfGZ6Asn/3phBesg=
+github.com/go-critic/go-critic v0.0.0-20181204210945-ee9bf5809ead h1:qwmAYufKDopQnFdeMw+iHJVxAd2CbF+VFKHyJJwnPKk=
+github.com/go-critic/go-critic v0.0.0-20181204210945-ee9bf5809ead/go.mod h1:3MzXZKJdeXqdU9cj+rvZdNiN7SZ8V9OjybF8loZDmHU=
+github.com/go-lintpack/lintpack v0.5.2 h1:DI5mA3+eKdWeJ40nU4d6Wc26qmdG8RCi/btYq0TuRN0=
+github.com/go-lintpack/lintpack v0.5.2/go.mod h1:NwZuYi2nUHho8XEIZ6SIxihrnPoqBTDqfpXvXAN0sXM=
+github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8=
+github.com/go-toolsmith/astcast v0.0.0-20181028201508-b7a89ed70af1 h1:h+1eMw+tZAlgTVclcVN0/rdPaBI/RUzG0peblT6df+Q=
+github.com/go-toolsmith/astcast v0.0.0-20181028201508-b7a89ed70af1/go.mod h1:TEo3Ghaj7PsZawQHxT/oBvo4HK/sl1RcuUHDKTTju+o=
+github.com/go-toolsmith/astcopy v0.0.0-20180903214859-79b422d080c4 h1:wVs9OMjICHbAryp9hcIuWqUOi+NqEbUSZy9zMe3W//I=
+github.com/go-toolsmith/astcopy v0.0.0-20180903214859-79b422d080c4/go.mod h1:c9CPdq2AzM8oPomdlPniEfPAC6g1s7NqZzODt8y6ib8=
+github.com/go-toolsmith/astequal v0.0.0-20180903214952-dcb477bfacd6 h1:aTBUNRTatDDU24gbOEKEoLiDwxtc98ga6K/iMTm6fvs=
+github.com/go-toolsmith/astequal v0.0.0-20180903214952-dcb477bfacd6/go.mod h1:H+xSiq0+LtiDC11+h1G32h7Of5O3CYFJ99GVbS5lDKY=
+github.com/go-toolsmith/astfmt v0.0.0-20180903215011-8f8ee99c3086 h1:EIMuvbE9fbtQtimdLe5yeXjuC5CeKbQt8zH6GwtIrhM=
+github.com/go-toolsmith/astfmt v0.0.0-20180903215011-8f8ee99c3086/go.mod h1:mP93XdblcopXwlyN4X4uodxXQhldPGZbcEJIimQHrkg=
+github.com/go-toolsmith/astinfo v0.0.0-20180906194353-9809ff7efb21/go.mod h1:dDStQCHtmZpYOmjRP/8gHHnCCch3Zz3oEgCdZVdtweU=
+github.com/go-toolsmith/astp v0.0.0-20180903215135-0af7e3c24f30 h1:zRJPftZJNLPDiOtvYbFRwjSbaJAcVOf80TeEmWGe2kQ=
+github.com/go-toolsmith/astp v0.0.0-20180903215135-0af7e3c24f30/go.mod h1:SV2ur98SGypH1UjcPpCatrV5hPazG6+IfNHbkDXBRrk=
+github.com/go-toolsmith/pkgload v0.0.0-20181119091011-e9e65178eee8/go.mod h1:WoMrjiy4zvdS+Bg6z9jZH82QXwkcgCBX6nOfnmdaHks=
+github.com/go-toolsmith/strparse v0.0.0-20180903215201-830b6daa1241 h1:ZRDeQioMGTBLeJxcPxXfFifEUgYxzR7fXw7w2WR+1bo=
+github.com/go-toolsmith/strparse v0.0.0-20180903215201-830b6daa1241/go.mod h1:YI2nUKP9YGZnL/L1/DLFBfixrcjslWct4wyljWhSRy8=
+github.com/go-toolsmith/typep v0.0.0-20181030061450-d63dc7650676 h1:6Qrsp0+25KEkaS2bB26UE0giFgRrIc8mYXboDL5OVMA=
+github.com/go-toolsmith/typep v0.0.0-20181030061450-d63dc7650676/go.mod h1:JSQCQMUPdRlMZFswiq3TGpNp1GMktqkR2Ns5AIQkATU=
+github.com/gobwas/glob v0.2.3 h1:A4xDbljILXROh+kObIiy5kIaPYD8e96x1tgBhUI5J+Y=
+github.com/gobwas/glob v0.2.3/go.mod h1:d3Ez4x06l9bZtSvzIay5+Yzi0fmZzPgnTbPcKjJAkT8=
+github.com/gogo/protobuf v1.1.1 h1:72R+M5VuhED/KujmZVcIquuo8mBgX4oVda//DQb3PXo=
+github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
+github.com/golang/mock v1.1.1 h1:G5FRp8JnTd7RQH5kemVNlMeyXQAztQ3mOWV95KxsXH8=
+github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
+github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golangci/check v0.0.0-20180506172741-cfe4005ccda2 h1:23T5iq8rbUYlhpt5DB4XJkc6BU31uODLD1o1gKvZmD0=
+github.com/golangci/check v0.0.0-20180506172741-cfe4005ccda2/go.mod h1:k9Qvh+8juN+UKMCS/3jFtGICgW8O96FVaZsaxdzDkR4=
+github.com/golangci/dupl v0.0.0-20180902072040-3e9179ac440a h1:w8hkcTqaFpzKqonE9uMCefW1WDie15eSP/4MssdenaM=
+github.com/golangci/dupl v0.0.0-20180902072040-3e9179ac440a/go.mod h1:ryS0uhF+x9jgbj/N71xsEqODy9BN81/GonCZiOzirOk=
+github.com/golangci/errcheck v0.0.0-20181003203344-ef45e06d44b6 h1:i2jIkQFb8RG45DuQs+ElyROY848cSJIoIkBM+7XXypA=
+github.com/golangci/errcheck v0.0.0-20181003203344-ef45e06d44b6/go.mod h1:DbHgvLiFKX1Sh2T1w8Q/h4NAI8MHIpzCdnBUDTXU3I0=
+github.com/golangci/go-misc v0.0.0-20180628070357-927a3d87b613 h1:9kfjN3AdxcbsZBf8NjltjWihK2QfBBBZuv91cMFfDHw=
+github.com/golangci/go-misc v0.0.0-20180628070357-927a3d87b613/go.mod h1:SyvUF2NxV+sN8upjjeVYr5W7tyxaT1JVtvhKhOn2ii8=
+github.com/golangci/go-tools v0.0.0-20180109140146-af6baa5dc196 h1:9rtVlONXLF1rJZzvLt4tfOXtnAFUEhxCJ64Ibzj6ECo=
+github.com/golangci/go-tools v0.0.0-20180109140146-af6baa5dc196/go.mod h1:unzUULGw35sjyOYjUt0jMTXqHlZPpPc6e+xfO4cd6mM=
+github.com/golangci/goconst v0.0.0-20180610141641-041c5f2b40f3 h1:pe9JHs3cHHDQgOFXJJdYkK6fLz2PWyYtP4hthoCMvs8=
+github.com/golangci/goconst v0.0.0-20180610141641-041c5f2b40f3/go.mod h1:JXrF4TWy4tXYn62/9x8Wm/K/dm06p8tCKwFRDPZG/1o=
+github.com/golangci/gocyclo v0.0.0-20180528134321-2becd97e67ee h1:J2XAy40+7yz70uaOiMbNnluTg7gyQhtGqLQncQh+4J8=
+github.com/golangci/gocyclo v0.0.0-20180528134321-2becd97e67ee/go.mod h1:ozx7R9SIwqmqf5pRP90DhR2Oay2UIjGuKheCBCNwAYU=
+github.com/golangci/gofmt v0.0.0-20181105071733-0b8337e80d98 h1:ir6/L2ZOJfFrJlOTsuf/hlzdPuUwXV/VzkSlgS6f1vs=
+github.com/golangci/gofmt v0.0.0-20181105071733-0b8337e80d98/go.mod h1:9qCChq59u/eW8im404Q2WWTrnBUQKjpNYKMbU4M7EFU=
+github.com/golangci/golangci-lint v1.16.1-0.20190425135923-692dacb773b7 h1:RfttK8W9qaF98OAdNFW2Mbr3ELn1Dyw1nnip6kYVc8M=
+github.com/golangci/golangci-lint v1.16.1-0.20190425135923-692dacb773b7/go.mod h1:kSe2pu2LlcsMT5Dr95yNKUT5RNfMkwif9MZqtOW5NEs=
+github.com/golangci/gosec v0.0.0-20180901114220-66fb7fc33547 h1:qMomh8bv+kDazm1dSLZ9S3zZ2PJZMHL4ilfBjxFOlmI=
+github.com/golangci/gosec v0.0.0-20180901114220-66fb7fc33547/go.mod h1:0qUabqiIQgfmlAmulqxyiGkkyF6/tOGSnY2cnPVwrzU=
+github.com/golangci/ineffassign v0.0.0-20180808204949-2ee8f2867dde h1:qEGp3ZF1Qw6TkbWKn6GdJ12Ssu/CpJBaBcJ4hrUjrSo=
+github.com/golangci/ineffassign v0.0.0-20180808204949-2ee8f2867dde/go.mod h1:e5tpTHCfVze+7EpLEozzMB3eafxo2KT5veNg1k6byQU=
+github.com/golangci/lint-1 v0.0.0-20180610141402-ee948d087217 h1:r7vyX+SN24x6+5AnpnrRn/bdwBb7U+McZqCHOVtXDuk=
+github.com/golangci/lint-1 v0.0.0-20180610141402-ee948d087217/go.mod h1:66R6K6P6VWk9I95jvqGxkqJxVWGFy9XlDwLwVz1RCFg=
+github.com/golangci/maligned v0.0.0-20180506175553-b1d89398deca h1:kNY3/svz5T29MYHubXix4aDDuE3RWHkPvopM/EDv/MA=
+github.com/golangci/maligned v0.0.0-20180506175553-b1d89398deca/go.mod h1:tvlJhZqDe4LMs4ZHD0oMUlt9G2LWuDGoisJTBzLMV9o=
+github.com/golangci/misspell v0.0.0-20180809174111-950f5d19e770 h1:EL/O5HGrF7Jaq0yNhBLucz9hTuRzj2LdwGBOaENgxIk=
+github.com/golangci/misspell v0.0.0-20180809174111-950f5d19e770/go.mod h1:dEbvlSfYbMQDtrpRMQU675gSDLDNa8sCPPChZ7PhiVA=
+github.com/golangci/prealloc v0.0.0-20180630174525-215b22d4de21 h1:leSNB7iYzLYSSx3J/s5sVf4Drkc68W2wm4Ixh/mr0us=
+github.com/golangci/prealloc v0.0.0-20180630174525-215b22d4de21/go.mod h1:tf5+bzsHdTM0bsB7+8mt0GUMvjCgwLpTapNZHU8AajI=
+github.com/golangci/revgrep v0.0.0-20180526074752-d9c87f5ffaf0 h1:HVfrLniijszjS1aiNg8JbBMO2+E1WIQ+j/gL4SQqGPg=
+github.com/golangci/revgrep v0.0.0-20180526074752-d9c87f5ffaf0/go.mod h1:qOQCunEYvmd/TLamH+7LlVccLvUH5kZNhbCgTHoBbp4=
+github.com/golangci/unconvert v0.0.0-20180507085042-28b1c447d1f4 h1:zwtduBRr5SSWhqsYNgcuWO2kFlpdOZbP0+yRjmvPGys=
+github.com/golangci/unconvert v0.0.0-20180507085042-28b1c447d1f4/go.mod h1:Izgrg8RkN3rCIMLGE9CyYmU9pY2Jer6DgANEnZ/L/cQ=
+github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
+github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce h1:xdsDDbiBDQTKASoGEZ+pEmF1OnWuu8AQ9I8iNbHNeno=
+github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce/go.mod h1:oZtUIOe8dh44I2q6ScRibXws4Ajl+d+nod3AaR9vL5w=
+github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
+github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
+github.com/kisielk/gotool v0.0.0-20161130080628-0de1eaf82fa3/go.mod h1:jxZFDH7ILpTPQTk+E2s+z4CUas9lVNjIuKR4c5/zKgM=
+github.com/kisielk/gotool v1.0.0 h1:AV2c/EiW3KqPNT9ZKl07ehoAGi4C5/01Cfbblndcapg=
+github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/logrusorgru/aurora v0.0.0-20181002194514-a7b3b318ed4e/go.mod h1:7rIyQOR62GCctdiQpZ/zOJlFyk6y+94wXzv6RNZgaR4=
+github.com/magiconair/properties v1.7.6 h1:U+1DqNen04MdEPgFiIwdOUiqZ8qPa37xgogX/sd3+54=
+github.com/magiconair/properties v1.7.6/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
+github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
+github.com/mattn/go-colorable v0.1.1 h1:G1f5SKeVxmagw/IyvzvtZE4Gybcc4Tr1tf7I8z0XgOg=
+github.com/mattn/go-colorable v0.1.1/go.mod h1:FuOcm+DKB9mbwrcAfNl7/TZVBZ6rcnceauSikq3lYCQ=
+github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
+github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
+github.com/mattn/go-isatty v0.0.5/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/mattn/go-isatty v0.0.7 h1:UvyT9uN+3r7yLEYSlJsbQGdsaB/a0DlgWP3pql6iwOc=
+github.com/mattn/go-isatty v0.0.7/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/mattn/go-runewidth v0.0.3/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
+github.com/mattn/go-runewidth v0.0.4 h1:2BvfKmzob6Bmd4YsL0zygOqfdFnK7GR4QL06Do4/p7Y=
+github.com/mattn/go-runewidth v0.0.4/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
+github.com/mattn/goveralls v0.0.2/go.mod h1:8d1ZMHsd7fW6IRPKQh46F2WRpyib5/X4FOpevwGNQEw=
+github.com/mgechev/dots v0.0.0-20180605013149-8e09d8ea2757/go.mod h1:KQ7+USdGKfpPjXk4Ga+5XxQM4Lm4e3gAogrreFAYpOg=
+github.com/mgechev/dots v0.0.0-20181228164730-18fa4c4b71cc h1:SQHr6jXnsY5YmRoO7RWDcZjmC3PgwPW/xQ9TYJ/SiRY=
+github.com/mgechev/dots v0.0.0-20181228164730-18fa4c4b71cc/go.mod h1:KQ7+USdGKfpPjXk4Ga+5XxQM4Lm4e3gAogrreFAYpOg=
+github.com/mgechev/revive v0.0.0-20190422175802-e8c1baf8ac0e h1:+PYxaNlGW7vo9VfiPW44oAQEe3iASeL2LRIHP3PaBUs=
+github.com/mgechev/revive v0.0.0-20190422175802-e8c1baf8ac0e/go.mod h1:pVHj2KvxEhotJ6Lmr7zb3YgNMX1QKt8cyp6fdPHOrzU=
+github.com/mitchellh/go-homedir v1.0.0 h1:vKb8ShqSby24Yrqr/yDYkuFz8d0WUjys40rvnGC8aR0=
+github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
+github.com/mitchellh/go-ps v0.0.0-20170309133038-4fdf99ab2936/go.mod h1:r1VsdOzOPt1ZSrGZWFoNhsAedKnEd6r9Np1+5blZCWk=
+github.com/mitchellh/mapstructure v0.0.0-20180220230111-00c29f56e238 h1:+MZW2uvHgN8kYvksEN3f7eFL2wpzk0GxmlFsMybWc7E=
+github.com/mitchellh/mapstructure v0.0.0-20180220230111-00c29f56e238/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
+github.com/mozilla/tls-observatory v0.0.0-20180409132520-8791a200eb40/go.mod h1:SrKMQvPiws7F7iqYp8/TX+IhxCYhzr6N/1yb8cwHsGk=
+github.com/nbutton23/zxcvbn-go v0.0.0-20160627004424-a22cb81b2ecd/go.mod h1:o96djdrsSGy3AWPyBgZMAGfxZNfgntdJG+11KU4QvbU=
+github.com/nbutton23/zxcvbn-go v0.0.0-20171102151520-eafdab6b0663 h1:Ri1EhipkbhWsffPJ3IPlrb4SkTOPa2PfRXp3jchBczw=
+github.com/nbutton23/zxcvbn-go v0.0.0-20171102151520-eafdab6b0663/go.mod h1:o96djdrsSGy3AWPyBgZMAGfxZNfgntdJG+11KU4QvbU=
+github.com/olekukonko/tablewriter v0.0.0-20180912035003-be2c049b30cc/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
+github.com/olekukonko/tablewriter v0.0.1 h1:b3iUnf1v+ppJiOfNX4yxxqfWKMQPZR5yoh8urCTFX88=
+github.com/olekukonko/tablewriter v0.0.1/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
+github.com/onsi/ginkgo v0.0.0-20170829012221-11459a886d9c/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
+github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
+github.com/onsi/gomega v0.0.0-20170829124025-dcabb60a477c/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA=
+github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
+github.com/pborman/uuid v1.2.0/go.mod h1:X/NO0urCmaxf9VXbdlT7C2Yzkj2IKimNn4k+gtPdI/k=
+github.com/pelletier/go-toml v1.1.0 h1:cmiOvKzEunMsAxyhXSzpL5Q1CRKpVv0KQsnAIcSEVYM=
+github.com/pelletier/go-toml v1.1.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
+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/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rogpeppe/go-internal v1.1.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
+github.com/ryanuber/go-glob v0.0.0-20170128012129-256dc444b735/go.mod h1:807d1WSdnB0XRJzKNil9Om6lcp/3a0v4qIHxIXzX/Yc=
+github.com/shirou/gopsutil v0.0.0-20180427012116-c95755e4bcd7/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
+github.com/shirou/w32 v0.0.0-20160930032740-bb4de0191aa4/go.mod h1:qsXQc7+bwAM3Q1u/4XEfrquwF8Lw7D7y5cD8CuHnfIc=
+github.com/shurcooL/go v0.0.0-20180423040247-9e1955d9fb6e/go.mod h1:TDJrrUr11Vxrven61rcy3hJMUqaf/CLWYhHNPmT14Lk=
+github.com/shurcooL/go-goon v0.0.0-20170922171312-37c2f522c041/go.mod h1:N5mDOmsrJOB+vfqUK+7DmDyjhSLIIBnXo9lvZJj3MWQ=
+github.com/sirupsen/logrus v1.0.5 h1:8c8b5uO0zS4X6RPl/sd1ENwSkIc0/H2PaHxE3udaE8I=
+github.com/sirupsen/logrus v1.0.5/go.mod h1:pMByvHTf9Beacp5x1UXfOR9xyW/9antXMhjMPG0dEzc=
+github.com/sourcegraph/go-diff v0.5.1 h1:gO6i5zugwzo1RVTvgvfwCOSVegNuvnNi6bAD1QCmkHs=
+github.com/sourcegraph/go-diff v0.5.1/go.mod h1:j2dHj3m8aZgQO8lMTcTnBcXkRRRqi34cd2MNlA9u1mE=
+github.com/spf13/afero v1.1.0 h1:bopulORc2JeYaxfHLvJa5NzxviA9PoWhpiiJkru7Ji4=
+github.com/spf13/afero v1.1.0/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
+github.com/spf13/cast v1.2.0 h1:HHl1DSRbEQN2i8tJmtS6ViPyHx35+p51amrdsiTCrkg=
+github.com/spf13/cast v1.2.0/go.mod h1:r2rcYCSwa1IExKTDiTfzaxqT2FNHs8hODu4LnUfgKEg=
+github.com/spf13/cobra v0.0.2 h1:NfkwRbgViGoyjBKsLI0QMDcuMnhM+SBg3T0cGfpvKDE=
+github.com/spf13/cobra v0.0.2/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
+github.com/spf13/jwalterweatherman v0.0.0-20180109140146-7c0cea34c8ec h1:2ZXvIUGghLpdTVHR1UfvfrzoVlZaE/yOWC5LueIHZig=
+github.com/spf13/jwalterweatherman v0.0.0-20180109140146-7c0cea34c8ec/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
+github.com/spf13/pflag v1.0.1 h1:aCvUg6QPl3ibpQUxyLkrEkCHtPqYJL4x9AuhqVqFis4=
+github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
+github.com/spf13/viper v1.0.2 h1:Ncr3ZIuJn322w2k1qmzXDnkLAdQMlJqBa9kfAH+irso=
+github.com/spf13/viper v1.0.2/go.mod h1:A8kyI5cUJhb8N+3pkfONlcEcZbueH6nhAm0Fq7SrnBM=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734 h1:p/H982KKEjUnLJkM3tt/LemDnOc1GiZL5FCVlORJ5zo=
+golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/net v0.0.0-20170915142106-8351a756f30f/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190313220215-9f648a60d977/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190424112056-4829fb13d2c6 h1:FP8hkuE6yUEaJnK7O2eTuejKWwW+Rhfj80dQ2JcKxCU=
+golang.org/x/net v0.0.0-20190424112056-4829fb13d2c6/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20171026204733-164713f0dfce/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190426135247-a129542de9ae h1:mQLHiymj/JXKnnjc62tb7nD5pZLs940/sXJu+Xp3DBA=
+golang.org/x/sys v0.0.0-20190426135247-a129542de9ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.0.0-20170915090833-1cbadb444a80/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/tools v0.0.0-20170915040203-e531a2a1c15f/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20180911133044-677d2ff680c1/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20181024171208-a2dc47679d30/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20181117154741-2ddaf7f79a09/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20181205014116-22934f0fdb62/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190121143147-24cd39ecf745/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20190420000508-685fecacd0a0/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20190425222832-ad9eeb80039a h1:jd4PGQGmrzmDZANUzIol3eClsCB/Jp5GmpGWMhi6hnY=
+golang.org/x/tools v0.0.0-20190425222832-ad9eeb80039a/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
+gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed h1:WX1yoOaKQfddO/mLzdV4wptyWgoH/6hwLs7QHTixo0I=
+mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed/go.mod h1:Xkxe497xwlCKkIaQYRfC7CSLworTXY9RMqwhhCm+8Nc=
+mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b h1:DxJ5nJdkhDlLok9K6qO+5290kphDJbHOQO1DFFFTeBo=
+mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b/go.mod h1:2odslEg/xrtNQqCYg2/jCoyKnw3vv5biOc3JnIcYfL4=
+mvdan.cc/unparam v0.0.0-20190124213536-fbb59629db34 h1:B1LAOfRqg2QUyCdzfjf46quTSYUTAK5OCwbh6pljHbM=
+mvdan.cc/unparam v0.0.0-20190124213536-fbb59629db34/go.mod h1:H6SUd1XjIs+qQCyskXg5OFSrilMRUkD8ePJpHKDPaeY=
+sourcegraph.com/sourcegraph/go-diff v0.5.1-0.20190210232911-dee78e514455/go.mod h1:kuch7UrkMzY0X+p9CRK03kfuPQ2zzQcaEFbx8wA8rck=
+sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4 h1:JPJh2pk3+X4lXAkZIk2RuE/7/FoK9maXw+TNPJhVS/c=
+sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=
diff --git a/tools/check/revive.toml b/tools/check/revive.toml
new file mode 100644
index 00000000000..19193c23cd1
--- /dev/null
+++ b/tools/check/revive.toml
@@ -0,0 +1,51 @@
+ignoreGeneratedHeader = false
+severity = "error"
+confidence = 0.8
+errorCode = -1
+warningCode = -1
+
+[rule.blank-imports]
+[rule.context-as-argument]
+[rule.dot-imports]
+[rule.error-return]
+[rule.error-strings]
+[rule.error-naming]
+[rule.exported]
+[rule.if-return]
+[rule.var-naming]
+[rule.package-comments]
+[rule.range]
+[rule.receiver-naming]
+[rule.indent-error-flow]
+[rule.superfluous-else]
+[rule.modifies-parameter]
+
+# This can be checked by other tools like megacheck
+[rule.unreachable-code]
+
+
+# Currently this makes too much noise, but should add it in
+# and perhaps ignore it in a few files
+#[rule.confusing-naming]
+#  severity = "warning"
+#[rule.confusing-results]
+#  severity = "warning"
+#[rule.unused-parameter]
+#  severity = "warning"
+#[rule.deep-exit]
+#  severity = "warning"
+#[rule.flag-parameter]
+#  severity = "warning"
+
+
+
+# Adding these will slow down the linter
+# They are already provided by megacheck
+# [rule.unexported-return]
+# [rule.time-naming]
+# [rule.errorf]
+
+# Adding these will slow down the linter
+# Not sure if they are already provided by megacheck
+# [rule.var-declaration]
+# [rule.context-keys-type]