Add 'variables' to bosh schema

headless-services/bosh-language-server/src/main/java/org/springframework/ide/vscode/bosh/BoshDeploymentManifestSchema.java

@@ -72,6 +72,10 @@ public class BoshDeploymentManifestSchema implements YamlSchema {
 		addProp(TOPLEVEL_TYPE, "instance_groups", f.yseq(t_instance_group)).isRequired(true);
 		
 		addProp(TOPLEVEL_TYPE, "properties", t_params).isDeprecated("Deprecated in favor of job level properties and links");
+		
+		YType t_variable = t_params; //TODO: https://www.pivotaltracker.com/story/show/148627441
+		addProp(TOPLEVEL_TYPE, "variables", f.yseq(t_variable));
+
 	}
 
 	@Override

headless-services/bosh-language-server/src/main/resources/desc/BoshDeploymentManifest/variables.md

@@ -0,0 +1,20 @@
+*Optional*. Describes variables.
+
+Example:
+
+	variables:
+	- name: admin_password
+	  type: password
+	- name: default_ca
+	  type: certificate
+	  options:
+	    is_ca: true
+	    common_name: some-ca
+	- name: director_ssl
+	  type: certificate
+	  options:
+	    ca: default_ca
+	    common_name: cc.cf.internal
+	    alternative_names: [cc.cf.internal]
+	    
+See (CLI Variable Interpolation)[https://bosh.io/docs/cli-int.html] for more details about variables.

headless-services/bosh-language-server/src/test/java/org/springframework/ide/vscode/concourse/BoshEditorTest.java

@@ -75,6 +75,20 @@ public class BoshEditorTest {
 				"  persistent_disk_type: medium\n" + 
 				"  networks:\n" + 
 				"  - name: default\n" + 
+				"variables:\n" + 
+				"- name: admin_password\n" + 
+				"  type: password\n" + 
+				"- name: default_ca\n" + 
+				"  type: certificate\n" + 
+				"  options:\n" + 
+				"    is_ca: true\n" + 
+				"    common_name: some-ca\n" + 
+				"- name: director_ssl\n" + 
+				"  type: certificate\n" + 
+				"  options:\n" + 
+				"    ca: default_ca\n" + 
+				"    common_name: cc.cf.internal\n" + 
+				"    alternative_names: [cc.cf.internal]\n" +
 				"properties:\n" +
 				"  a-property: the-value\n" +
 				"blah: hoooo\n"
@@ -91,6 +105,7 @@ public class BoshEditorTest {
 		editor.assertHoverContains("update", "This specifies instance update properties");
 		editor.assertHoverContains("instance_groups", "Specifies the mapping between release [jobs](https://bosh.io/docs/terminology.html#job) and instance groups.");
 		editor.assertHoverContains("properties", 3, "Describes global properties. Deprecated");
+		editor.assertHoverContains("variables", "Describes variables");
 		
 	}