feat: Add colors and tables

cmd/cli.go

@@ -3,7 +3,6 @@ package main
 import (
 	"os"
 
-	"github.com/sirupsen/logrus"
 	"github.com/urfave/cli/v2"
 )
 
@@ -14,23 +13,6 @@ var (
 	verboseEnabled = false
 )
 
-// initLogger initializes logger
-func initLogger(verbose bool) *logrus.Logger {
-	logger := logrus.New()
-	logger.SetFormatter(&logrus.TextFormatter{
-		DisableTimestamp:       true,
-		DisableLevelTruncation: true,
-	})
-	// Set logger level
-	if verbose {
-		logger.SetLevel(logrus.DebugLevel)
-		logger.Debug("verbose logging enabled")
-	} else {
-		logger.SetLevel(logrus.InfoLevel)
-	}
-	return logger
-}
-
 func main() {
 	var (
 		logger = initLogger(verboseEnabled)
@@ -101,6 +83,11 @@ func main() {
 			Usage:       "Use IPv4 only",
 			Destination: &hub.QueryFlags.UseIPv4,
 		},
+		&cli.BoolFlag{
+			Name:        "time",
+			Usage:       "Display how long it took for the response to arrive",
+			Destination: &hub.QueryFlags.DisplayTimeTaken,
+		},
 		&cli.BoolFlag{
 			Name:        "verbose",
 			Usage:       "Enable verbose logging",

cmd/hub.go

@@ -28,6 +28,7 @@ type QueryFlags struct {
 	UseTCP           bool
 	UseIPv4          bool
 	UseIPv6          bool
+	DisplayTimeTaken bool
 }
 
 // NewHub initializes an instance of Hub which holds app wide configuration.
@@ -45,3 +46,20 @@ func NewHub(logger *logrus.Logger, buildVersion string) *Hub {
 	}
 	return hub
 }
+
+// initLogger initializes logger
+func initLogger(verbose bool) *logrus.Logger {
+	logger := logrus.New()
+	logger.SetFormatter(&logrus.TextFormatter{
+		DisableTimestamp:       true,
+		DisableLevelTruncation: true,
+	})
+	// Set logger level
+	if verbose {
+		logger.SetLevel(logrus.DebugLevel)
+		logger.Debug("verbose logging enabled")
+	} else {
+		logger.SetLevel(logrus.InfoLevel)
+	}
+	return logger
+}

cmd/output.go

@@ -2,11 +2,13 @@ package main
 
 import (
 	"fmt"
+	"os"
 	"strconv"
 
 	"github.com/fatih/color"
 	"github.com/miekg/dns"
 	"github.com/mr-karan/doggo/pkg/resolvers"
+	"github.com/olekukonko/tablewriter"
 )
 
 // Output takes a list of `dns.Answers` and based
@@ -15,6 +17,14 @@ func (hub *Hub) Output(responses []resolvers.Response) {
 	// Create SprintXxx functions to mix strings with other non-colorized strings:
 	green := color.New(color.FgGreen).SprintFunc()
 	blue := color.New(color.FgBlue).SprintFunc()
+
+	table := tablewriter.NewWriter(os.Stdout)
+	header := []string{"Name", "Type", "Class", "TTL", "Address"}
+	if hub.QueryFlags.DisplayTimeTaken {
+		header = append(header, "Time Taken")
+	}
+	table.SetHeader(header)
+
 	for _, r := range responses {
 		var res string
 		for _, a := range r.Message.Answer {
@@ -27,7 +37,13 @@ func (hub *Hub) Output(responses []resolvers.Response) {
 			qclass := dns.Class(h.Class).String()
 			ttl := strconv.FormatInt(int64(h.Ttl), 10) + "s"
 			qtype := blue(dns.Type(h.Rrtype).String())
-			fmt.Printf("%s \t %s \t %s \t %s \t %s\n", qtype, name, qclass, ttl, res)
+			output := []string{name, qtype, qclass, ttl, res}
+			// Print how long it took
+			if hub.QueryFlags.DisplayTimeTaken {
+				output = append(output, fmt.Sprintf("%dms", r.RTT.Milliseconds()))
+			}
+			table.Append(output)
 		}
 	}
+	table.Render()
 }

go.mod

@@ -4,7 +4,10 @@ go 1.15
 
 require (
 	github.com/fatih/color v1.10.0
+	github.com/mattn/go-runewidth v0.0.9
 	github.com/miekg/dns v1.1.35
+	github.com/olekukonko/tablewriter v0.0.4
+	github.com/rodaine/table v1.0.1
 	github.com/sirupsen/logrus v1.7.0
 	github.com/urfave/cli/v2 v2.3.0
 )

go.sum

@@ -1,6 +1,7 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+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/fatih/color v1.10.0 h1:s36xzo75JdqLaaWoiEHk767eHiwo0598uUxyfiPkDsg=
@@ -9,18 +10,27 @@ github.com/mattn/go-colorable v0.1.8 h1:c1ghPdyEDarC70ftn0y+A/Ee++9zz8ljHG1b13eJ
 github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
 github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/mattn/go-runewidth v0.0.7/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
+github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
 github.com/miekg/dns v1.1.35 h1:oTfOaDH+mZkdcgdIjH6yBajRGtIwcwcaR+rt23ZSrJs=
 github.com/miekg/dns v1.1.35/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
+github.com/olekukonko/tablewriter v0.0.4 h1:vHD/YYe1Wolo78koG299f7V/VAS08c6IpCLn+Ejf/w8=
+github.com/olekukonko/tablewriter v0.0.4/go.mod h1:zq6QwlOf5SlnkVbMSr5EoBv3636FWnp+qbPhuoO21uA=
 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/rodaine/table v1.0.1 h1:U/VwCnUxlVYxw8+NJiLIuCxA/xa6jL38MY3FYysVWWQ=
+github.com/rodaine/table v1.0.1/go.mod h1:UVEtfBsflpeEcD56nF4F5AocNFta0ZuolpSVdPtlmP4=
 github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.7.0 h1:ShrD1U9pZB12TX0cVy0DtePoCH97K8EtX+mg7ZARUtM=
 github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/urfave/cli/v2 v2.3.0 h1:qph92Y649prgesehzOrQjdWyxFOp/QVM+6imKHad91M=
 github.com/urfave/cli/v2 v2.3.0/go.mod h1:LJmUH05zAU44vOAcrfzZQKsZbVcdbOG8rtL3/XcUArI=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -47,3 +57,4 @@ golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapK
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=