(aws deploy) add waiting for server to become available, copying of...

(aws deploy) add waiting for server to become available, copying of configuration up to server, git remote addition, and console output

scripts/deploy.js

@@ -4,7 +4,9 @@ const
 aws = require('./deploy/aws.js');
 path = require('path');
 vm = require('./deploy/vm.js'),
-key = require('./deploy/key.js');
+key = require('./deploy/key.js'),
+ssh = require('./deploy/ssh.js'),
+git = require('./deploy/git.js');
 
 var verbs = {};
 
@@ -15,17 +17,47 @@ function checkErr(err) {
   }
 }
 
+function printInstructions(name, deets) {
+  console.log("Yay!  You have your very own deployment.  Here's the basics:\n");
+  console.log(" 1. deploy your code:  git push " + name + " <mybranch>:master");
+  console.log(" 2. visit your server on the web: https://" + name + ".hacksign.in");
+  console.log(" 3. test via a website: http://" + name + ".myfavoritebeer.org");
+  console.log(" 4. ssh in with sudo: ssh ec2-user@" + name + "hacksign.in");
+  console.log(" 5. ssh as the deployment user: ssh app@" + name + "hacksign.in\n");
+  console.log("enjoy!  Here's your server details", JSON.stringify(deets, null, 4));
+}
+
 verbs['deploy'] = function(args) {
   if (!args || args.length != 1) {
     throw 'missing required argument: name of instance';
   }
-
+  var name = args[0];
+  if (!/^[a-z][0-9a-z_\-]+$/.test(name)) {
+    throw "invalid name!  must be a valid dns fragment ([z-a0-9\-_])";
+  }
+  console.log("attempting to set up " + name + ".hacksign.in");
+      
   vm.startImage(function(err, r) {
     checkErr(err);
-    vm.waitForInstance(r.instanceId, function(err, r) {
+    console.log("   ... VM launched, waiting for startup (should take about 20s)");
+    vm.waitForInstance(r.instanceId, function(err, deets) {
       checkErr(err);
+      console.log("   ... Instance ready, setting name");
       vm.setName(r.instanceId, args[0], function(err) {
-        console.log(err, r);
+        checkErr(err);
+        console.log("   ... name set, waiting for ssh access and configuring");
+        var config = { public_url: "https://" + name + ".hacksign.in"};
+
+        ssh.copyUpConfig(deets.ipAddress, config, function(err, r) {
+          checkErr(err);
+          console.log("   ... victory!  server is accessible and configured");
+          git.addRemote(name, deets.ipAddress, function(err, r) {
+            checkErr(err);
+            console.log("   ... and your git remote is all set up");
+            console.log("");
+            printInstructions(name, deets);
+          });
+        });
       });
     });
   });

scripts/deploy/git.js

+const
+child_process = require('child_process');
+
+exports.addRemote = function(name, host, cb) {
+  var cmd = 'git remote add ' + name  + ' app@'+ host + ':git';
+  child_process.exec(cmd, cb);
+};

scripts/deploy/ssh.js

+const
+child_process = require('child_process'),
+temp = require('temp'),
+fs = require('fs');
+
+const MAX_TRIES = 20;
+
+exports.copyUpConfig = function(host, config, cb) {
+  var tries = 0;
+  temp.open({}, function(err, r) {
+    fs.writeFileSync(r.path, JSON.stringify(config, null, 4));
+    var cmd = 'scp -o "StrictHostKeyChecking no" ' + r.path + ' app@' + host + ":config.json";
+    function oneTry() {
+      child_process.exec(cmd, function(err, r) {
+        if (err) {
+          if (++tries > MAX_TRIES) return cb("can't connect via SSH.  stupid amazon");
+          console.log("   ... nope.  not yet.  retrying.");
+          setTimeout(oneTry, 5000);
+        } else {
+          cb();
+        }
+      });
+    }
+    oneTry();
+  });
+};