Make sure go modules files are always tidy and up to date (#588)

Makefile

@@ -85,7 +85,7 @@ check-setup:
 	@which retool >/dev/null 2>&1 || go get github.com/twitchtv/retool
 	@GO111MODULE=off retool sync
 
-check: check-setup lint check-static
+check: check-setup lint tidy check-static
 
 check-static:
 	@ # Not running vet and fmt through metalinter becauase it ends up looking at vendor
@@ -123,6 +123,11 @@ lint:
 	@echo "linting"
 	CGO_ENABLED=0 retool do revive -formatter friendly -config revive.toml $$($(PACKAGE_LIST))
 
+tidy:
+	@echo "go mod tidy"
+	GO111MODULE=on go mod tidy
+	git diff --quiet go.mod go.sum
+
 check-gosec:
 	@echo "security checking"
 	CGO_ENABLED=0 retool do gosec $$($(PACKAGE_DIRECTORIES))

go.mod

@@ -1,11 +1,14 @@
 module github.com/pingcap/tidb-operator
 
 require (
+	github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 // indirect
 	github.com/BurntSushi/toml v0.3.1 // indirect
 	github.com/MakeNowJust/heredoc v0.0.0-20171113091838-e9091a26100e // indirect
+	github.com/Microsoft/go-winio v0.4.12 // indirect
 	github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 // indirect
 	github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 // indirect
 	github.com/chai2010/gettext-go v0.0.0-20170215093142-bf70f2a70fb1 // indirect
+	github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd // indirect
 	github.com/coreos/bbolt v1.3.1-coreos.6 // indirect
 	github.com/coreos/etcd v0.0.0-20180530235116-2b3aa7e1d49d // indirect
 	github.com/coreos/go-semver v0.2.0 // indirect
@@ -21,6 +24,8 @@ require (
 	github.com/docker/spdystream v0.0.0-20181023171402-6480d4af844c // indirect
 	github.com/dustin/go-humanize v1.0.0 // indirect
 	github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385 // indirect
+	github.com/elazarl/goproxy v0.0.0-20190421051319-9d40249d3c2f // indirect
+	github.com/elazarl/goproxy/ext v0.0.0-20190421051319-9d40249d3c2f // indirect
 	github.com/emicklei/go-restful v2.8.0+incompatible
 	github.com/evanphx/json-patch v4.1.0+incompatible // indirect
 	github.com/exponent-io/jsonpath v0.0.0-20151013193312-d6023ce2651d // indirect
@@ -32,6 +37,9 @@ require (
 	github.com/gogo/protobuf v1.1.1 // indirect
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
 	github.com/golang/groupcache v0.0.0-20180513044358-24b0969c4cb7 // indirect
+	github.com/golangplus/bytes v0.0.0-20160111154220-45c989fe5450 // indirect
+	github.com/golangplus/fmt v0.0.0-20150411045040-2a5d6d7d2995 // indirect
+	github.com/golangplus/testing v0.0.0-20180327235837-af21d9c3145e // indirect
 	github.com/google/btree v0.0.0-20180124185431-e89373fe6b4a // indirect
 	github.com/google/gofuzz v0.0.0-20170612174753-24818f796faf // indirect
 	github.com/googleapis/gnostic v0.2.0 // indirect
@@ -42,9 +50,9 @@ require (
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway v1.4.1 // indirect
 	github.com/hashicorp/golang-lru v0.0.0-20180201235237-0fb14efe8c47 // indirect
-	github.com/howeyc/gopass v0.0.0-20170109162249-bf9dde6d0d2c // indirect
 	github.com/hpcloud/tail v1.0.0 // indirect
 	github.com/imdario/mergo v0.3.7 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/jinzhu/copier v0.0.0-20180308034124-7e38e58719c3
 	github.com/jonboulle/clockwork v0.1.0 // indirect
 	github.com/json-iterator/go v1.1.5 // indirect
@@ -57,7 +65,7 @@ require (
 	github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 // indirect
 	github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe // indirect
 	github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f // indirect
-	github.com/onsi/ginkgo v1.6.0
+	github.com/onsi/ginkgo v1.6.0 // indirect
 	github.com/onsi/gomega v1.4.1
 	github.com/opencontainers/go-digest v1.0.0-rc1 // indirect
 	github.com/opencontainers/image-spec v1.0.1 // indirect
@@ -77,22 +85,22 @@ require (
 	github.com/renstrom/dedent v1.1.0 // indirect
 	github.com/robfig/cron v1.1.0
 	github.com/russross/blackfriday v1.5.2+incompatible // indirect
-	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
 	github.com/sirupsen/logrus v1.0.6
 	github.com/soheilhy/cmux v0.1.4 // indirect
+	github.com/spf13/afero v1.2.2 // indirect
 	github.com/spf13/cobra v0.0.3
 	github.com/spf13/pflag v1.0.3
 	github.com/tmc/grpc-websocket-proxy v0.0.0-20171017195756-830351dc03c6 // indirect
+	github.com/uber-go/atomic v1.4.0 // indirect
 	github.com/uber/jaeger-client-go v2.16.0+incompatible // indirect
 	github.com/uber/jaeger-lib v2.0.0+incompatible // indirect
 	github.com/ugorji/go v1.1.1 // indirect
 	github.com/unrolled/render v0.0.0-20180807193321-4206df6ff701 // indirect
-	github.com/urfave/negroni v1.0.0 // indirect
 	github.com/xiang90/probing v0.0.0-20160813154853-07dd2e8dfe18 // indirect
+	github.com/xlab/handysort v0.0.0-20150421192137-fb3537ed64a1 // indirect
 	go.uber.org/atomic v1.3.2 // indirect
 	go.uber.org/multierr v1.1.0 // indirect
 	go.uber.org/zap v1.9.1 // indirect
-	golang.org/x/net v0.0.0-20190311183353-d8887717615a
 	golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421 // indirect
 	golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2 // indirect
 	golang.org/x/tools v0.0.0-20190405180640-052fc3cfdbc2 // indirect
@@ -113,14 +121,13 @@ require (
 	k8s.io/apiserver v0.0.0-20190118115647-a748535592ba
 	k8s.io/cli-runtime v0.0.0-20190118125240-caee4253d968
 	k8s.io/client-go v2.0.0-alpha.0.0.20190115164855-701b91367003+incompatible
-	k8s.io/code-generator v0.0.0-20181128191024-b1289fc74931 // indirect
-	k8s.io/gengo v0.0.0-20190327210449-e17681d19d3a // indirec
-	k8s.io/klog v0.2.0 // indirect
+	k8s.io/code-generator v0.0.0-20190612125529-c522cb6c26aa
+	k8s.io/gengo v0.0.0-20190327210449-e17681d19d3a // indirect; indirec
+	k8s.io/klog v0.3.1
 	k8s.io/kube-openapi v0.0.0-20190320154901-5e45bb682580 // indirect
 	k8s.io/kubernetes v1.12.5
 	k8s.io/metrics v0.0.0-20190118124808-33c1aed8dc65 // indirect
 	k8s.io/utils v0.0.0-20190308190857-21c4ce38f2a7 // indirect
-	sigs.k8s.io/yaml v1.1.0 // indirect
 	vbom.ml/util v0.0.0-20180919145318-efcd4e0f9787 // indirect
 )