MXS-1220: Migrate create/update monitor to JSON API format

The creation and modification of moitor now supports the JSON API
conforming format generated by the GET endpoints.

Also added tests for creating and altering monitors via the REST API.

server/core/test/rest-api/test/monitor.js

@@ -0,0 +1,76 @@
+require("../utils.js")()
+
+var monitor = {
+    data: {
+        id: "test-monitor",
+        type: "monitors",
+        attributes: {
+            module: "mysqlmon"
+        }
+    }
+}
+
+describe("Creating a Monitor", function() {
+    before(startMaxScale)
+
+    it("create new monitor", function() {
+        return request.post(base_url + "/monitors/", {json: monitor})
+            .should.be.fulfilled
+    })
+
+    it("request monitor", function() {
+        return request.get(base_url + "/monitors/" + monitor.data.id)
+            .should.be.fulfilled
+    });
+
+    it("alter monitor", function() {
+        monitor.data.attributes.parameters.monitor_interval = 1000
+        return request.put(base_url + "/monitors/" + monitor.data.id, {json:monitor})
+            .should.be.fulfilled
+    });
+
+    it("destroy created monitor", function() {
+        return request.delete(base_url + "/monitors/" + monitor.data.id)
+            .should.be.fulfilled
+    });
+
+    after(stopMaxScale)
+}
+
+describe("Modifying Existing Monitor", function() {
+    before(startMaxScale)
+
+    it("create new monitor", function() {
+        return request.post(base_url + "/monitors/", {json: monitor})
+            .should.be.fulfilled
+    })
+
+    it("remove relationships from old monitor", function() {
+
+        return request.get(base_url + "/monitors/MySQL-Monitor")
+            .then(function(resp) {
+                var mon = JSON.parse(resp)
+                delete mon.data.relationships
+                return request.put(base_url + "/monitors/MySQL-Monitor", {json: mon})
+            })
+            .should.be.fulfilled
+    });
+
+    it("add relationships to new monitor", function() {
+
+        return request.get(base_url + "/monitors/" + monitor.data.id)
+            .then(function(resp) {
+                var mon = JSON.parse(resp)
+                mon.data.relationships.servers = [
+                    {id: "server1", type: "servers"},
+                    {id: "server2", type: "servers"},
+                    {id: "server3", type: "servers"},
+                    {id: "server4", type: "servers"},
+                ]
+                return request.put(base_url + "/monitors/" + monitor.data.id, {json: mon})
+            })
+            .should.be.fulfilled
+    });
+
+    after(stopMaxScale)
+}