go-arg options

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

Makefile

@@ -37,3 +37,12 @@ git-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
+
+dump-droplets:
+	./virtigoctl dump --droplets=true
+
+dump-droplets-full:
+	./virtigoctl dump --droplets=alsdfkj
+
+start:
+	./virtigoctl --start www.wit.com go.wit.com

argv.go

@@ -10,27 +10,43 @@ import "go.wit.com/log"
 
 var argv args
 
-type args struct {
+type DumpCmd struct {
-	Filename  string   `arg:"--filename"                        help:"start a vm based off the qcow2 filename"`
+	Droplets     bool `arg:"--droplets"                    help:"show the running droplets"`
-	Start     []string `arg:"--start"                           help:"droplets to start"`
+	DropletsFull bool `arg:"--droplets-full"              help:"show all the known droplets"`
+	Hypervisors  bool `arg:"--hypervisors"                help:"show the hypervisors"`
+	Uptime       bool `arg:"--uptime"                help:"show the hypervisors"`
+}
+
+type CreateCmd struct {
+	Filename string `arg:"--filename"                        help:"start a vm based off the qcow2 filename"`
+	Memory   int    `arg:"--memory"                          help:"set the memory in MB"`
+	Cpus     int    `arg:"--cpus"                            help:"set the cpus"`
+}
+
+type ImportXml struct {
 	Xml       []string `arg:"--libvirt"                         help:"import qemu xml files: --libvirt /etc/libvirt/qemu/*.xml"`
 	IgnoreCpu bool     `arg:"--xml-ignore-cpu"  default:"true"  help:"ignore non-standard libvirt xml cpus"`
 	IgnoreBr  bool     `arg:"--xml-ignore-net"  default:"true"  help:"ignore network bridge name changes"`
 	IgnDisk   bool     `arg:"--xml-ignore-disk" default:"false" help:"ignore duplicate disk names"`
-	Port      int      `arg:"--port"            default:"8080"  help:"allow droplet events via http"`
+}
-	Memory    int      `arg:"--memory"                          help:"set the memory in MB"`
-	Cpus      int      `arg:"--cpus"                            help:"set the cpus"`
 
-	DumpUptime       bool `arg:"--dump-uptime"                     help:"show the state of the cluster"`
+type args struct {
-	DumpDroplets     bool `arg:"--dump-droplets"                   help:"show the running droplets"`
+	Start []string `arg:"--start"                           help:"droplets to start"`
-	DumpDropletsFull bool `arg:"--dump-droplets-full"              help:"show all the known droplets"`
+	Port  int      `arg:"--port"            default:"8080"  help:"allow droplet events via http"`
-	DumpHypervisors  bool `arg:"--dump-hypervisors"                help:"show the hypervisors"`
+
+	Create *CreateCmd `arg:"subcommand:create" help:"create a new droplet"`
+	Dump   *DumpCmd   `arg:"subcommand:dump"   help:"show the state of the cluster"`
+	Import *ImportXml `arg:"subcommand:import" help:"import libvirt XML"`
 }
 
 func (a args) Description() string {
 	return `
    virtigoctl command line configure and control for virtigo
+`
+}
 
+func (args) Epilogue() string {
+	return `
    This will start three already defined servers:
 
        virtigoctl --start www.wit.com ftp.wit.com wiki.wit.com
@@ -38,7 +54,11 @@ func (a args) Description() string {
    This will make a new vm called "foo.wit.com" with the default
    virtigo values for memory, cpus, network settings, spice, etc.
 
-       virtigoctl --filename /home/nfs/foo.wit.com.qcow2
+       virtigoctl create --filename /home/nfs/foo.wit.com.qcow2
+
+   create "bar.wit.com" with defaults except 1GB of RAM:
+
+       virtigoctl create --filename /home/nfs/bar.wit.com.qcow2 --memory 1024
 `
 }
 

main.go

@@ -7,6 +7,7 @@ import (
 	"os"
 
 	"go.wit.com/dev/alexflint/arg"
+	"go.wit.com/log"
 )
 
 var Version string
@@ -22,4 +23,20 @@ func main() {
 		pp.WriteHelp(os.Stdout)
 		os.Exit(0)
 	}
+	if argv.Dump != nil {
+		if argv.Dump.Droplets {
+			log.Info("dump droplets here ==", argv.Dump.Droplets)
+			os.Exit(0)
+		}
+		log.Info("dump something here")
+		os.Exit(0)
+	}
+	if argv.Create != nil {
+		log.Info("create something here")
+		os.Exit(0)
+	}
+	if argv.Start != nil {
+		log.Info("start the vm's here:", argv.Start)
+		os.Exit(0)
+	}
 }