Bug 1539566 - Add DataService methods for getting server version

See https://bugzilla.redhat.com/show_bug.cgi?id=1539566

dist/origin-web-common-services.js

@@ -2768,6 +2768,28 @@ DataService.prototype.createStream = function(resource, name, context, opts, isR
     return new URI({protocol: protocol, hostname: hostPort}).toString();
   };
 
+  DataService.prototype._getAPIServerVersion = function(path) {
+    var protocol = window.location.protocol === "http:" ? "http" : "https";
+    var versionURL = new URI({
+      protocol: protocol,
+      hostname: API_CFG.k8s.hostPort,
+      path: path
+    }).toString();
+    return $http.get(versionURL, {
+      headers: {
+        Accept: 'application/json'
+      }
+    });
+  };
+
+  DataService.prototype.getKubernetesMasterVersion = function() {
+    return this._getAPIServerVersion('/version');
+  };
+
+  DataService.prototype.getOpenShiftMasterVersion = function() {
+    return this._getAPIServerVersion('/version/openshift');
+  };
+
   // Used by ProjectsService when a list fails.
   DataService.prototype.createData = function(array) {
     return new Data(array);

dist/origin-web-common.js

@@ -4819,6 +4819,28 @@ DataService.prototype.createStream = function(resource, name, context, opts, isR
     return new URI({protocol: protocol, hostname: hostPort}).toString();
   };
 
+  DataService.prototype._getAPIServerVersion = function(path) {
+    var protocol = window.location.protocol === "http:" ? "http" : "https";
+    var versionURL = new URI({
+      protocol: protocol,
+      hostname: API_CFG.k8s.hostPort,
+      path: path
+    }).toString();
+    return $http.get(versionURL, {
+      headers: {
+        Accept: 'application/json'
+      }
+    });
+  };
+
+  DataService.prototype.getKubernetesMasterVersion = function() {
+    return this._getAPIServerVersion('/version');
+  };
+
+  DataService.prototype.getOpenShiftMasterVersion = function() {
+    return this._getAPIServerVersion('/version/openshift');
+  };
+
   // Used by ProjectsService when a list fails.
   DataService.prototype.createData = function(array) {
     return new Data(array);

dist/origin-web-common.min.js

@@ -2128,6 +2128,21 @@ return new URI({
 protocol:protocol,
 hostname:hostPort
 }).toString();
+}, DataService.prototype._getAPIServerVersion = function(path) {
+var protocol = "http:" === window.location.protocol ? "http" :"https", versionURL = new URI({
+protocol:protocol,
+hostname:API_CFG.k8s.hostPort,
+path:path
+}).toString();
+return $http.get(versionURL, {
+headers:{
+Accept:"application/json"
+}
+});
+}, DataService.prototype.getKubernetesMasterVersion = function() {
+return this._getAPIServerVersion("/version");
+}, DataService.prototype.getOpenShiftMasterVersion = function() {
+return this._getAPIServerVersion("/version/openshift");
 }, DataService.prototype.createData = function(array) {
 return new Data(array);
 };

src/services/dataService.js

@@ -1370,6 +1370,28 @@ DataService.prototype.createStream = function(resource, name, context, opts, isR
     return new URI({protocol: protocol, hostname: hostPort}).toString();
   };
 
+  DataService.prototype._getAPIServerVersion = function(path) {
+    var protocol = window.location.protocol === "http:" ? "http" : "https";
+    var versionURL = new URI({
+      protocol: protocol,
+      hostname: API_CFG.k8s.hostPort,
+      path: path
+    }).toString();
+    return $http.get(versionURL, {
+      headers: {
+        Accept: 'application/json'
+      }
+    });
+  };
+
+  DataService.prototype.getKubernetesMasterVersion = function() {
+    return this._getAPIServerVersion('/version');
+  };
+
+  DataService.prototype.getOpenShiftMasterVersion = function() {
+    return this._getAPIServerVersion('/version/openshift');
+  };
+
   // Used by ProjectsService when a list fails.
   DataService.prototype.createData = function(array) {
     return new Data(array);