Remove requirement for one load balancer node

lib/brightbox-cli/commands/lbs/create.rb

@@ -61,8 +61,6 @@ module Brightbox
       c.switch ["sslv3"]
 
       c.action do |global_options, options, args|
-        raise "You must specify which servers to balance connections to" if args.empty?
-
         listeners = options[:l].split(",").map do |l|
           inport, outport, protocol, timeout = l.split ":"
           raise "listener '#{l}' is invalid" if inport.nil? || outport.nil? || protocol.nil?

spec/commands/lbs/create_spec.rb

@@ -11,36 +11,22 @@
       cache_access_token(config, "f83da712e6299cda953513ec07f7a754f747d727")
     end
 
-    context "without required nodes arguments" do
+    context "without nodes arguments" do
       let(:argv) { %w[lbs create] }
-
-      it "does not error" do
-        expect { output }.to_not raise_error
-
-        expect(stderr).to eq("ERROR: You must specify which servers to balance connections to\n")
-      end
-    end
-
-    context "with required nodes arguments" do
-      let(:argv) { %w[lbs create srv-12345] }
-      let(:expected_args) { { nodes: [{ node: "srv-12345" }] } }
+      let(:expected_args) { { nodes: [] } }
 
       let(:json_response) do
         <<~EOS
         {
           "id": "lba-12345",
-          "nodes": [
-            {
-              "id": "srv-12345"
-            }
-          ]
+          "nodes": []
         }
         EOS
       end
 
       before do
         stub_request(:post, "http://api.brightbox.localhost/1.0/load_balancers?account_id=acc-12345")
-          .with(:body => hash_including("nodes" => [{ "node" => "srv-12345" }]))
+          .with(:body => hash_including("nodes" => []))
           .to_return(:status => 202, :body => json_response)
       end
 
@@ -52,7 +38,7 @@
       end
     end
 
-    context "with required nodes arguments" do
+    context "with a nodes argument" do
       let(:argv) { %w[lbs create srv-12345] }
       let(:expected_args) { { nodes: [{ node: "srv-12345" }] } }
 
@@ -83,7 +69,7 @@
       end
     end
 
-    context "with multiple nodes" do
+    context "with multiple node arguments" do
       let(:argv) { %w[lbs create srv-12345 srv-54321] }
       let(:expected_args) { { nodes: [{ node: "srv-12345" }, { node: "srv-54321" }] } }