Create Azure storage account if needed

docs/getting-started-guides/coreos/azure/create-kubernetes-cluster.js

@@ -7,6 +7,7 @@ azure.create_config('kubernetes', { 'etcd': 3, 'kube': 3 });
 
 azure.run_task_queue([
   azure.queue_default_network(),
+  azure.queue_storage_if_needed(),
   azure.queue_machines('etcd', 'stable',
     kube.create_etcd_cloud_config),
   azure.queue_machines('kube', 'stable',

docs/getting-started-guides/coreos/azure/lib/azure_wrapper.js

@@ -161,6 +161,22 @@ exports.queue_default_network = function () {
     '--address-space=172.16.0.0',
     conf.resources['vnet'],
   ]);
+}
+
+exports.queue_storage_if_needed = function() {
+  if (!process.env['AZURE_STORAGE_ACCOUNT']) {
+    conf.storage_account = util.rand_suffix;
+    task_queue.push([
+      'storage', 'account', 'create',
+      get_location(),
+      conf.storage_account,
+    ]);
+    process.env['AZURE_STORAGE_ACCOUNT'] = conf.storage_account;
+  } else {
+    // Preserve it for resizing, so we don't create a new one by accedent,
+    // when the environment variable is unset
+    conf.storage_account = process.env['AZURE_STORAGE_ACCOUNT'];
+  }
 };
 
 exports.queue_machines = function (name_prefix, coreos_update_channel, cloud_config_creator) {
@@ -232,6 +248,8 @@ exports.destroy_cluster = function (state_file) {
 
   task_queue.push(['network', 'vnet', 'delete', '--quiet', conf.resources['vnet']]);
 
+  // TODO: add storage deletion when AZURE_STORAGE_ACCOUNT is unset (depends on Azure/azure-xplat-cli#1615)
+
   exports.run_task_queue();
 };
 
@@ -247,4 +265,5 @@ exports.load_state_for_resizing = function (state_file, node_type, new_nodes) {
   conf.nodes[node_type] += new_nodes;
   hosts.collection = conf.hosts;
   hosts.ssh_port_counter += conf.hosts.length;
+  process.env['AZURE_STORAGE_ACCOUNT'] = conf.storage_account;
 }

docs/getting-started-guides/coreos/azure/package.json

@@ -9,7 +9,7 @@
   "author": "Ilya Dmitrichenko <errordeveloper@gmail.com>",
   "license": "Apache 2.0",
   "dependencies": {
-    "azure-cli": "^0.8.14",
+    "azure-cli": "^0.8.15",
     "colors": "^1.0.3",
     "js-yaml": "^3.2.5",
     "openssl-wrapper": "^0.2.1",