1

.gitconfig

@@ -0,0 +1,2 @@
+[url "git@github.com:zeevdiukman/z.git"]
+    insteadOf = https://github.com/

go.mod

@@ -0,0 +1,12 @@
+module github.com/zeevdiukman/z/helper
+
+go 1.23.1
+
+require github.com/gookit/goutil v0.6.16
+
+require (
+	github.com/gookit/color v1.5.4 // indirect
+	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
+	golang.org/x/sys v0.25.0 // indirect
+	golang.org/x/text v0.18.0 // indirect
+)

go.sum

@@ -0,0 +1,20 @@
+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/gookit/color v1.5.4 h1:FZmqs7XOyGgCAxmWyPslpiok1k05wmY3SJTytgvYFs0=
+github.com/gookit/color v1.5.4/go.mod h1:pZJOeOS8DM43rXbp4AZo1n9zCU2qjpcRko0b6/QJi9w=
+github.com/gookit/goutil v0.6.16 h1:9fRMCF4X9abdRD5+2HhBS/GwafjBlTUBjRtA5dgkvuw=
+github.com/gookit/goutil v0.6.16/go.mod h1:op2q8AoPDFSiY2+qkHxcBWQMYxOLQ1GbLXqe7vrwscI=
+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/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
+github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
+golang.org/x/exp v0.0.0-20220909182711-5c715a9e8561 h1:MDc5xs78ZrZr3HMQugiXOAkSZtfTpbJLDr/lwfgO53E=
+golang.org/x/exp v0.0.0-20220909182711-5c715a9e8561/go.mod h1:cyybsKvd6eL0RnXn6p/Grxp8F5bW7iYuBgsNCOHpMYE=
+golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
+golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.18.0 h1:XvMDiNzPAl0jr17s6W9lcaIhGUfUORdGCNsuLmPG224=
+golang.org/x/text v0.18.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

helper.go

@@ -0,0 +1,75 @@
+package helper
+
+import (
+	"fmt"
+	"log"
+	"net"
+	"net/http"
+	"os"
+	"os/signal"
+	"runtime"
+	"strings"
+	"syscall"
+
+	"github.com/gookit/goutil/dump"
+)
+
+func IsIPAddr(ip string) bool {
+	ipaddr := net.ParseIP(NormaliseIPAddr(ip))
+	return ipaddr != nil
+}
+
+func NormaliseIPAddr(ip string) string {
+	if strings.HasSuffix(ip, "/32") && strings.Contains(ip, ".") { // single host (IPv4)
+		ip = strings.TrimSuffix(ip, "/32")
+	} else {
+		ip = strings.TrimSuffix(ip, "/128") // single host (IPv6)
+	}
+
+	return ip
+}
+
+// fqdn format to domain format
+func FtoD(fqdn string) string {
+	return strings.TrimSuffix(fqdn, ".")
+}
+
+func StartHTTP() {
+	log.Printf("Starting HTTP at :80")
+	http.ListenAndServe(":80", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintln(w, "DEV port 80 OK")
+	}))
+}
+
+func P2(input ...any) {
+	dump.Print(input...)
+}
+func P(input ...any) {
+	fmt.Println(input...)
+}
+
+func PrintOldStyleMetrics() {
+	runtime.GOMAXPROCS(4)
+	fmt.Printf("Operating system is: %s\n", runtime.GOOS)
+	// Get number of go routines, max os threads allocated to process and host number of cpus
+	numGoroutines := runtime.NumGoroutine()
+	fmt.Printf("The program is using %d go routines\n", numGoroutines)
+	maxThreads := runtime.GOMAXPROCS(0)
+	fmt.Printf("The program is configured to %d max threads ", maxThreads)
+	numCPUs := runtime.NumCPU()
+	fmt.Printf("- the host has %d cpus", numCPUs)
+
+}
+
+func Start(app func()) {
+	sigs := make(chan os.Signal, 1)
+	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
+	// done := make(chan bool, 1)
+
+	go func() {
+		app()
+	}()
+
+	<-sigs
+
+}