the beginning of something

Signed-off-by: Jeff Carr <jcarr@wit.com>

Makefile

@@ -7,7 +7,7 @@ REDOMOD = $(shell if [ -e go.sum ]; then  echo go.sum exists; else GO111MODULE=
 all:
 	GO111MODULE=off go build -v -ldflags "-X main.Version=${VERSION} -X gui.GUIVERSION=${VERSION}"
 	./virtigo --version
-	./virtigo --hosts farm01,farm02,farm03
+	./virtigo --hosts farm01 farm02 farm03
 
 # this is for release builds using the go.mod files
 release-build:
@@ -33,4 +33,5 @@ clean:
 git-clone:
 	go-clone --recursive --go-src --no-work go.wit.com/apps/go-clone
 	go-clone --recursive --go-src --no-work go.wit.com/apps/virtigo
+	go-clone --recursive --go-src --no-work go.wit.com/apps/gowebd
 	go-clone --recursive --go-src --no-work go.wit.com/lib/daemons/virtigod

argv.go

@@ -6,21 +6,19 @@ package main
 	this enables command line options from other packages like 'gui' and 'log'
 */
 
+var argv args
+
 type args struct {
-	DryRun bool     `arg:"--dry-run"     help:"show what would be run"`
-	Uptime bool     `arg:"--uptime"      help:"enable port 8080 for use with uptime checks like Kuma"`
-	Hosts  []string `arg:"--hosts"       help:"hosts to connect to"`
+	Hosts  []string  `arg:"--hosts"                  help:"hosts to connect to"`
+	Uptime bool      `arg:"--uptime" default:"true"  help:"allow uptime checks for things like Kuma"`
+	Port   int       `arg:"--port" default:"8080"    help:"specify a different default port"`
 }
 
 func (a args) Description() string {
 	return `
 virtigo will help control your cluster of hypervisiors
 
-Install:
-	apt install virtigo
-
-Sources:
-	go-clone --recursive --no-work -go-src go.wit.com/apps/virtigo
+go install go.wit.com/apps/virtigo@latest
 `
 }
 

http.go

@@ -0,0 +1,90 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+
+	"go.wit.com/lib/gui/shell"
+	"go.wit.com/log"
+)
+
+// remove '?' part and trailing '/'
+func cleanURL(url string) string {
+	url = "/" + strings.Trim(url, "/")
+	return url
+}
+
+func okHandler(w http.ResponseWriter, r *http.Request) {
+	var tmp string
+	tmp = cleanURL(r.URL.Path)
+
+	log.Info("Got URL:", tmp)
+	if tmp == "/" {
+		fmt.Fprintln(w, "OK")
+		return
+	}
+	if tmp == "/me" {
+		fmt.Fprintln(w, "OK")
+		return
+	}
+
+	if tmp == "/vms" {
+		s := shell.Wget("http://wilddog:2520/vms")
+		var bytesSplice []byte
+	        bytesSplice = s.Bytes()
+		fmt.Fprintln(w, string(bytesSplice))
+		return
+	}
+
+	if tmp == "/favicon.ico" {
+		writeFile(w, "ipv6.png")
+		return
+	}
+	if tmp == "/uptime" {
+		writeFile(w, "uptime.html")
+		return
+	}
+
+	// used for uptime monitor checking (like Kuma)
+	if tmp == "/uptime" {
+		writeFile(w, "uptime.html")
+		return
+	}
+	log.Warn("BAD URL =", tmp)
+	fmt.Fprintln(w, "BAD ZOOT")
+	// badurl(w, r.URL.String())
+	// fmt.Fprintln(w, "BAD", tmp)
+}
+
+func writeFile(w http.ResponseWriter, filename string) {
+	// fmt.Fprintln(w, "GOT TEST?")
+	fullname := "resources/" + filename
+	pfile, err := resources.ReadFile(fullname)
+	if err != nil {
+		log.Println("ERROR:", err)
+		// w.Write(pfile)
+		return
+	}
+
+	var repohtml string
+	repohtml = string(pfile)
+	if filename == "goReference.svg" {
+		w.Header().Set("Content-Type", "image/svg+xml")
+	}
+	fmt.Fprintln(w, repohtml)
+	log.Println("writeFile() found internal file:", filename)
+}
+
+// starts and sits waiting for HTTP requests
+func startHTTP() {
+	http.HandleFunc("/", okHandler)
+
+	p := fmt.Sprintf(":%d", argv.Port)
+	log.Println("Running on port", p)
+
+	err := http.ListenAndServe(p, nil)
+	if err != nil {
+		log.Println("Error starting server:", err)
+	}
+}

main.go

@@ -3,23 +3,31 @@
 package main
 
 import (
-//	"log"
+	//	"log"
+	"embed"
 	"os"
 
-	"go.wit.com/log"
 	"go.wit.com/dev/alexflint/arg"
+	"go.wit.com/log"
 )
 
 var Version string
-var myargs args
+
+//go:embed resources/*
+var resources embed.FS
 
 func main() {
-	pp := arg.MustParse(&myargs)
+	pp := arg.MustParse(&argv)
 
-	if myargs.Uptime {
+	if ! argv.Uptime {
 		pp.WriteHelp(os.Stdout)
 		os.Exit(0)
 	}
 
-	log.Info("connect to cluser here", myargs.Hosts)
+	log.Info("connect to cluser here", argv.Hosts)
+	for i, s := range argv.Hosts {
+		log.Info("i, s =", i, s)
+	}
+
+	startHTTP()
 }