Fix #534

app/__init__.py

@@ -44,7 +44,7 @@
 from functools import wraps
 from urllib.parse import urlparse
 from radl import radl_parse
-from radl.radl import deploy, description
+from radl.radl import deploy, description, Feature
 from flask_apscheduler import APScheduler
 from flask_wtf.csrf import CSRFProtect, CSRFError
 from toscaparser.tosca_template import ToscaTemplate
@@ -394,11 +394,20 @@ def managevm(op=None, infid=None, vmid=None):
                 form_data = request.form.to_dict()
                 cpu = int(form_data['cpu'])
                 memory = int(form_data['memory'])
-                system_name = form_data['system_name']
 
-                radl = "system %s (cpu.count >= %d and memory.size >= %dg and instance_type = '')" % (system_name,
-                                                                                                      cpu, memory)
-                response = im.resize_vm(infid, vmid, radl, auth_data)
+                vminforesp = im.get_vm_info(infid, vmid, auth_data, "text/plain")
+                if vminforesp.ok:
+                    vminfo = radl_parse.parse_radl(vminforesp.text)
+                    vminfo.systems[0].delValue("instance_type")
+                    vminfo.systems[0].delValue("cpu.count")
+                    vminfo.systems[0].addFeature(Feature("cpu.count", ">=", cpu),
+                                                 conflict="other", missing="other")
+                    vminfo.systems[0].delValue("memory.size")
+                    vminfo.systems[0].addFeature(Feature("memory.size", ">=", memory, "GB"),
+                                                 conflict="other", missing="other")
+                    response = im.resize_vm(infid, vmid, str(vminfo), auth_data)
+                else:
+                    raise Exception("Error getting VM info: %s" % vminforesp.text)
             else:
                 response = im.manage_vm(op, infid, vmid, auth_data)
         except Exception as ex:

app/im.py

@@ -64,8 +64,8 @@ def get_inf_state(self, infid, auth_data):
         inf_state = response.json()
         return inf_state['state']
 
-    def get_vm_info(self, infid, vmid, auth_data):
-        headers = {"Authorization": auth_data, "Accept": "application/json"}
+    def get_vm_info(self, infid, vmid, auth_data, accept="application/json"):
+        headers = {"Authorization": auth_data, "Accept": accept}
         url = "%s/infrastructures/%s/vms/%s" % (self.im_url, infid, vmid)
         return requests.get(url, headers=headers, timeout=self.timeout)
 

app/templates/vminfo.html

@@ -318,7 +318,6 @@ <h5 class="modal-title" id="managevm_resize_label">VM resize</h5>
                       </div>
                       <form id="resizeVM" action="{{ url_for('managevm', op='resize', infid=infid, vmid=vmid) }}" method="post">
                         <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
-                        <input type="hidden" name="system_name" value="{{ system_name }}"/>
                       <div class="modal-body">
 
                         <div class="row form-group">

app/tests/test_app.py

@@ -40,7 +40,7 @@ def get_response(url, params=None, **kwargs):
         elif url == "/im/infrastructures/infid/vms/0":
             resp.ok = True
             resp.status_code = 200
-            resp.text = ""
+            resp.text = "system front (cpu.count = 1 and memory.size = 512 MB)"
             radl = {"class": "system",
                     "cpu.arch": "x86_64",
                     "cpu.count_min": 1,
@@ -328,12 +328,14 @@ def test_managevm_delete(self, flash, avatar, delete, user_data):
                                                        'success'))
 
     @patch("app.utils.getUserAuthData")
+    @patch('requests.get')
     @patch('requests.put')
     @patch("app.utils.avatar")
     @patch("app.flash")
-    def test_managevm_resize(self, flash, avatar, put, user_data):
+    def test_managevm_resize(self, flash, avatar, put, get, user_data):
         user_data.return_value = "type = InfrastructureManager; token = access_token"
         put.side_effect = self.put_response
+        get.side_effect = self.get_response
         self.login(avatar)
         params = {'cpu': '4',
                   'memory': '4',