Small bug fixes

* print floats with only 2 decimals in the status page
* delete dead containers that are forgot after crashing
* reconsider services for scheduling that should be active, but are dead (they crashed and are elastic)

zoe_api/web/templates/status.html

@@ -176,7 +176,7 @@
         data = {
             datasets: [{
                 label: 'Cores',
-                data: [{{ node['cores_reserved'] }}, {{ node['cores_allocated'] }}, {{ node['cores_in_use'] }}],
+                data: [{{ '%0.2f'|format(node['cores_reserved']|float) }}, {{ '%0.2f'|format(node['cores_allocated']|float) }}, {{ '%0.2f'|format(node['cores_in_use']|float) }}],
                 backgroundColor: ['rgba(0, 169, 225, 1.0)', 'rgba(53, 51, 144, 1.0)', 'rgba(145, 192, 46, 1.0)']
             }],
             'labels': ['Reserved', 'Allocated', 'In use']
@@ -221,7 +221,9 @@
     <tr>
         <td class="cell-host">{{ node.name }}</td>
         {% for service in services_per_node[node.name] %}
-            <td><a href="{{ reverse_url('execution_inspect', service['execution_id']) }}">{{ service['name'] }}</a> (M: <script>format_bytes({{ node.service_stats[service['id']|string]['mem_limit'] }});</script> C: {{ node.service_stats[service['id']|string]['core_limit'] }})</td>
+            {% if service.backend_status == "started" %}
+            <td><a href="{{ reverse_url('execution_inspect', service['execution_id']) }}">{{ service['name'] }}</a> (M: <script>format_bytes({{ node.service_stats[service['id']|string]['mem_limit'] }});</script> C: {{ '%0.2f'|format(node.service_stats[service['id']|string]['core_limit']|float) }})</td>
+            {% endif %}
         {% endfor %}
     </tr>
     {% endfor %}

zoe_master/backends/docker/threads.py

@@ -86,6 +86,9 @@ class DockerStateSynchronizer(threading.Thread):
                     service = self.state.services.select(only_one=True, backend_host=host_config.name, backend_id=cont['id'])
                     if service is None:
                         log.warning('Container {} on host {} has no corresponding service'.format(cont['name'], host_config.name))
+                        if cont['state'] == Service.BACKEND_DIE_STATUS:
+                            log.warning('Terminating dead and orphan container {}'.format(cont['name']))
+                            my_engine.terminate_container(cont['id'], delete=True)
                         continue
                     self._update_service_status(service, cont)
                     self.host_stats[host_config.name].memory_reserved += service.resource_reservation.memory.min

zoe_master/scheduler/simulated_platform.py

@@ -135,7 +135,7 @@ class SimulatedPlatform:
         """Try to find an allocation for elastic services"""
         at_least_one_allocated = False
         for service in execution.elastic_services:
-            if service.status == service.ACTIVE_STATUS:
+            if service.status == service.ACTIVE_STATUS and service.backend_status != service.BACKEND_DIE_STATUS:
                 continue
             candidate_nodes = []
             for node_id_, node in self.nodes.items():