prepared scaffold

main.go

@@ -2,13 +2,88 @@ package main
 
 import (
 	"flag"
+	"fmt"
 	"log"
+	"net"
+	"os"
+	"os/signal"
 )
 
+func printUsage() {
+	fmt.Fprintf(os.Stderr, "usage: floor zt_net zt_token [-iface]\n")
+}
+
+func waitForDaemon(exit chan os.Signal, start bool) error {
+	//wait for daemon to be up
+
+	return nil
+}
+
+func joinNetwork(netid string) (string, error) {
+	//execute join
+
+	//wait for identity file
+
+	return "", nil
+}
+
+func authorizeMember(memberid, netid, token string) error {
+	//call http api
+
+	return nil
+}
+
+func waitForIP(exit chan os.Signal, iface string) (net.IP, error) {
+	//wait for an ip on iface
+
+	return net.IP{}, nil
+}
+
+var iface = flag.String("iface", "zt0", "The network interface that is expected receive an address")
+var startDaemon = flag.Bool("start-daemon", false, "Also start the daemon (zerotier-one -d), this is for testing only")
+
 func main() {
 	flag.Parse()
+	exit := make(chan os.Signal, 1)
+	signal.Notify(exit, os.Interrupt, os.Kill)
 	log.SetPrefix("zero: ")
 	log.SetFlags(0)
 
-	log.Printf("Hello World!")
+	netid := flag.Arg(0)
+	if netid == "" {
+		printUsage()
+		os.Exit(1)
+	}
+
+	token := flag.Arg(1)
+	if token == "" {
+		printUsage()
+		os.Exit(1)
+	}
+
+	log.Printf("Waiting for ZeroTier Daemon to be up...")
+	err := waitForDaemon(exit, *startDaemon)
+	if err != nil {
+		log.Fatalf("Failed to wait for Daemon: %v", err)
+	}
+
+	log.Printf("Joining network '%s'...", netid)
+	memberid, err := joinNetwork(netid)
+	if err != nil {
+		log.Fatalf("Failed to join ZeroTier network '%s': %v", netid, err)
+	}
+
+	log.Printf("Authorizing member '%s'...", memberid)
+	err = authorizeMember(memberid, netid, token)
+	if err != nil {
+		log.Fatalf("Failed to authorize member '%s': %v", memberid, err)
+	}
+
+	log.Printf("Waiting for network address on interface '%s'...", *iface)
+	ip, err := waitForIP(exit, *iface)
+	if err != nil {
+		log.Fatalf("Failed to receive network address on '%s': %v", iface, err)
+	}
+
+	log.Printf("Done: Received address '%s'!", ip.String())
 }

make.sh

@@ -12,11 +12,14 @@ function run_build_container {
 
 # run a Linux test environment
 function run_run {
+  : "${ZT_NET:?ZT_NET environment variable needs to be set in order to test}"
+  : "${ZT_TOKEN:?ZT_TOKEN environment variable needs to be set in order to test}"
+
   run_build_container
   docker run -it --rm \
     --device=/dev/net/tun \
     --cap-add=NET_ADMIN \
-    microfactory/zero:`cat VERSION`
+    microfactory/zero:`cat VERSION` $ZT_NET $ZT_TOKEN
 }
 
 case $1 in