From 3f0910498032217f5c742a04e31288a0134eddbe Mon Sep 17 00:00:00 2001
From: catborise <catborise@gmail.com>
Date: Tue, 19 May 2020 00:38:20 +0300
Subject: [PATCH] add host status checking for statistic request

---
 computes/templates/overview.html | 43 ++++++++++++++++----------------
 computes/views.py                |  3 ++-
 2 files changed, 24 insertions(+), 22 deletions(-)

diff --git a/computes/templates/overview.html b/computes/templates/overview.html
index 7b1965e..5f2e669 100644
--- a/computes/templates/overview.html
+++ b/computes/templates/overview.html
@@ -226,29 +226,30 @@
             }
         }
     });
+    if (Boolean({{ status }}) === true) {
+        window.setInterval(function graph_usage() {
+            $.getJSON('{% url 'compute_graph' compute_id %}', function (data) {
+                cpuChart.data.labels.push(data.timeline);
+                memChart.data.labels.push(data.timeline);
 
-    window.setInterval(function graph_usage() {
-        $.getJSON('{% url 'compute_graph' compute_id %}', function (data) {
-            cpuChart.data.labels.push(data.timeline);
-            memChart.data.labels.push(data.timeline);
+                cpuChart.data.datasets[0].data.push(data.cpudata);
+                if (cpuChart.data.datasets[0].data.length > 10){
+                    cpuChart.data.labels.shift();
+                    cpuChart.data.datasets[0].data.shift();
+                }
+                memChart.options.scales.yAxes[0].ticks.max = parseInt(data.memdata.total / 1048576);
+                memChart.options.scales.yAxes[0].ticks.stepSize = parseInt(data.memdata.total / (1048576 * 5));
+                memChart.data.datasets[0].data.push(parseInt(data.memdata.usage / 1048576));
 
-            cpuChart.data.datasets[0].data.push(data.cpudata);
-            if (cpuChart.data.datasets[0].data.length > 10){
-                cpuChart.data.labels.shift();
-                cpuChart.data.datasets[0].data.shift();
-            }
-            memChart.options.scales.yAxes[0].ticks.max = parseInt(data.memdata.total / 1048576);
-            memChart.options.scales.yAxes[0].ticks.stepSize = parseInt(data.memdata.total / (1048576 * 5));
-            memChart.data.datasets[0].data.push(parseInt(data.memdata.usage / 1048576));
+                if (memChart.data.datasets[0].data.length > 10){
+                    memChart.data.labels.shift();
+                    memChart.data.datasets[0].data.shift();
+                }
 
-            if (memChart.data.datasets[0].data.length > 10){
-                memChart.data.labels.shift();
-                memChart.data.datasets[0].data.shift();
-            }
-
-            cpuChart.update();
-            memChart.update();
-        });
-    }, 5000);
+                cpuChart.update();
+                memChart.update();
+            });
+        }, 5000);
+    }
 </script>
 {% endblock %}
diff --git a/computes/views.py b/computes/views.py
index 9f540b0..200baf5 100644
--- a/computes/views.py
+++ b/computes/views.py
@@ -148,7 +148,8 @@ def overview(request, compute_id):
 
     error_messages = []
     compute = get_object_or_404(Compute, pk=compute_id)
-
+    status = 'true' if connection_manager.host_is_up(compute.type, compute.hostname) else 'false'
+    
     try:
         conn = wvmHostDetails(compute.hostname,
                               compute.login,