Upgrade dependent package versions

cmd/dfdaemon/app/root_test.go

@@ -87,7 +87,7 @@ func (ts *rootTestSuite) TestNodeFlag() {
 		r.NotNil(readConfigFile(v, rootCmd))
 		cfg, err := getConfigFromViper(rootCmd, v)
 		r.Nil(err)
-		r.EqualValues([]string(nil), cfg.SuperNodes)
+		r.EqualValues([]string{}, cfg.SuperNodes)
 	}
 
 	// when --node flag is set, should always use the flag

go.mod

@@ -4,50 +4,36 @@ go 1.12
 
 require (
 	github.com/HuKeping/rbtree v0.0.0-20200208030951-29f0b79e84ed
-	github.com/PuerkitoBio/purell v0.0.0-20170829232023-f619812e3caf // indirect
-	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
-	github.com/asaskevich/govalidator v0.0.0-20170903095215-73945b6115bf // indirect
-	github.com/cpuguy83/go-md2man v1.0.7 // indirect
+	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d // indirect
 	github.com/emirpasic/gods v1.12.0
 	github.com/go-check/check v0.0.0-20161208181325-20d25e280405
-	github.com/go-openapi/analysis v0.0.0-20170813233457-8ed83f2ea9f0 // indirect
-	github.com/go-openapi/errors v0.0.0-20170426151106-03cfca65330d
-	github.com/go-openapi/jsonpointer v0.0.0-20170102174223-779f45308c19 // indirect
-	github.com/go-openapi/jsonreference v0.0.0-20161105162150-36d33bfe519e // indirect
-	github.com/go-openapi/loads v0.0.0-20170520182102-a80dea3052f0 // indirect
-	github.com/go-openapi/runtime v0.0.0-20170901133030-bf2ff8f71507 // indirect
-	github.com/go-openapi/spec v0.0.0-20170811033243-3faa0055dbbf // indirect
-	github.com/go-openapi/strfmt v0.0.0-20171222154016-4dd3d302e100
-	github.com/go-openapi/swag v0.0.0-20170606142751-f3f9494671f9
-	github.com/go-openapi/validate v0.0.0-20170705144413-8a82927c942c
-	github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef
-	github.com/golang/mock v1.4.0
-	github.com/gorilla/context v0.0.0-20181012153548-51ce91d2eadd // indirect
+	github.com/go-openapi/analysis v0.20.1 // indirect
+	github.com/go-openapi/errors v0.19.9
+	github.com/go-openapi/runtime v0.19.29 // indirect
+	github.com/go-openapi/strfmt v0.20.0
+	github.com/go-openapi/swag v0.19.14
+	github.com/go-openapi/validate v0.20.1
+	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e
+	github.com/golang/mock v1.5.0
+	github.com/gorilla/context v1.1.1 // indirect
 	github.com/gorilla/mux v1.5.0
 	github.com/gorilla/schema v1.1.0
-	github.com/inconshreveable/mousetrap v1.0.0 // indirect
-	github.com/magiconair/properties v1.8.1 // indirect
-	github.com/mailru/easyjson v0.0.0-20170902151237-2a92e673c9a6 // indirect
-	github.com/mitchellh/mapstructure v1.1.2
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mitchellh/mapstructure v1.4.1
 	github.com/openacid/low v0.1.10
-	github.com/pborman/uuid v0.0.0-20180122190007-c65b2f87fee3
-	github.com/pkg/errors v0.8.0
+	github.com/pborman/uuid v1.2.0
+	github.com/pkg/errors v0.9.1
 	github.com/prashantv/gostub v1.0.0
 	github.com/prometheus/client_golang v0.9.3
-	github.com/russross/blackfriday v0.0.0-20171011182219-6d1ef893fcb0 // indirect
-	github.com/sirupsen/logrus v1.2.0
-	github.com/spf13/afero v1.2.2
-	github.com/spf13/cobra v0.0.0-20181021141114-fe5e611709b0
-	github.com/spf13/jwalterweatherman v1.1.0 // indirect
-	github.com/spf13/viper v1.4.0
-	github.com/stretchr/testify v1.3.0
+	github.com/sirupsen/logrus v1.4.2
+	github.com/spf13/afero v1.6.0
+	github.com/spf13/cobra v1.1.3
+	github.com/spf13/viper v1.8.1
+	github.com/stretchr/testify v1.7.0
 	github.com/valyala/fasthttp v1.3.0
 	github.com/willf/bitset v0.0.0-20190228212526-18bd95f470f9
-	golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 // indirect
-	golang.org/x/net v0.0.0-20190620200207-3b0461eec859 // indirect
 	gopkg.in/gcfg.v1 v1.2.3
-	gopkg.in/mgo.v2 v2.0.0-20160818020120-3f83fa500528 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0
 	gopkg.in/warnings.v0 v0.1.2
-	gopkg.in/yaml.v2 v2.2.8
+	gopkg.in/yaml.v2 v2.4.0
 )