Added graph scale for instance

instances/views.py

@@ -1,7 +1,9 @@
+import time
+import json
 from string import letters, digits
 from random import choice
 from bisect import insort
-from django.http import HttpResponseRedirect
+from django.http import HttpResponse, HttpResponseRedirect
 from django.core.urlresolvers import reverse
 from django.shortcuts import render
 from django.utils.translation import ugettext_lazy as _
@@ -408,3 +410,122 @@ def instance(request, compute_id, vname):
         addlogmsg(request.user.id, instance.id, lib_err.message)
 
     return render(request, 'instance.html', locals())
+
+
+def inst_graph(request, compute_id, vname):
+    """
+    Return instance usage
+    """
+    if not request.user.is_authenticated():
+        return HttpResponseRedirect(reverse('login'))
+
+    datasets = {}
+    datasets_rd = []
+    datasets_wr = []
+    json_blk = []
+    cookie_blk = {}
+    blk_error = False
+    datasets_rx = []
+    datasets_tx = []
+    json_net = []
+    cookie_net = {}
+    net_error = False
+    networks = None
+    disks = None
+    points = 5
+    curent_time = time.strftime("%H:%M:%S")
+    compute = Compute.objects.get(id=compute_id)
+
+    try:
+        conn = wvmInstance(compute.hostname,
+                           compute.login,
+                           compute.password,
+                           compute.type,
+                           vname)
+        status = conn.get_status()
+        cpu_usage = conn.cpu_usage()
+        blk_usage = conn.disk_usage()
+        net_usage = conn.net_usage()
+        conn.close()
+    except libvirtError:
+        status = None
+        blk_usage = None
+        cpu_usage = None
+        net_usage = None
+
+    if status == 1:
+        cookies = request.COOKIES
+        if cookies.get('cpu') == '{}' or not cookies.get('cpu') or not cpu_usage:
+            datasets['cpu'] = [0]
+            datasets['timer'] = [curent_time]
+        else:
+            datasets['cpu'] = eval(cookies.get('cpu'))
+            datasets['timer'] = eval(cookies.get('timer'))
+
+        datasets['timer'].append(curent_time)
+        datasets['cpu'].append(int(cpu_usage['cpu']))
+
+        if len(datasets['timer']) > points:
+            datasets['timer'].pop(0)
+        if len(datasets['cpu']) > points:
+            datasets['cpu'].pop(0)
+
+        for blk in blk_usage:
+            if cookies.get('hdd') == '{}' or not cookies.get('hdd') or not blk_usage:
+                datasets_wr.append(0)
+                datasets_rd.append(0)
+            else:
+                datasets['hdd'] = eval(cookies.get('hdd'))
+                try:
+                    datasets_rd = datasets['hdd'][blk['dev']][0]
+                    datasets_wr = datasets['hdd'][blk['dev']][1]
+                except:
+                    blk_error = True
+
+            if not blk_error:
+                datasets_rd.append(int(blk['rd']) / 1048576)
+                datasets_wr.append(int(blk['wr']) / 1048576)
+
+                if len(datasets_rd) > points:
+                    datasets_rd.pop(0)
+                if len(datasets_wr) >= points + 1:
+                    datasets_wr.pop(0)
+
+            json_blk.append({'dev': blk['dev'], 'data': [datasets_rd, datasets_wr]})
+            cookie_blk[blk['dev']] = [datasets_rd, datasets_wr]
+
+        for net in net_usage:
+            if cookies.get('net') == '{}' or not cookies.get('net') or not net_usage:
+                datasets_rx.append(0)
+                datasets_tx.append(0)
+            else:
+                datasets['net'] = eval(cookies.get('net'))
+                try:
+                    datasets_rx = datasets['net'][net['dev']][0]
+                    datasets_tx = datasets['net'][net['dev']][1]
+                except:
+                    net_error = True
+
+            if not net_error:
+                datasets_rx.append(int(net['rx']) / 1048576)
+                datasets_tx.append(int(net['tx']) / 1048576)
+
+                if len(datasets_rx) > points:
+                    datasets_rx.pop(0)
+                if len(datasets_tx) > points:
+                    datasets_tx.pop(0)
+
+            json_net.append({'dev': net['dev'], 'data': [datasets_rx, datasets_tx]})
+            cookie_net[net['dev']] = [datasets_rx, datasets_tx]
+
+    data = json.dumps({'status': status, 'cpudata': datasets['cpu'], 'hdddata': json_blk, 'netdata': json_net, 'timeline':  datasets['timer']})
+
+    response = HttpResponse()
+    response['Content-Type'] = "text/javascript"
+    if status == 1:
+        response.cookies['cpu'] = datasets['cpu']
+        response.cookies['timer'] = datasets['timer']
+        response.cookies['hdd'] = cookie_blk
+        response.cookies['net'] = cookie_net
+    response.write(data)
+    return response

static/css/webvirtcloud.css

@@ -100,7 +100,7 @@ body {
     width: 65px;
 }
 
-#action-button {
+.action-button {
     text-align: center;
 }
 

templates/instance.html

@@ -38,43 +38,43 @@
                             <!-- Nav tabs -->
                             <ul class="nav nav-pills" role="tablist">
                                 <li role="presentation" class="active">
-                                    <a href="#power" id="action-button" aria-controls="power" role="tab" data-toggle="tab">
+                                    <a href="#power" class="action-button" aria-controls="power" role="tab" data-toggle="tab">
                                         <span id="action-block" class="glyphicon glyphicon-off" aria-hidden="true"></span>
                                         {% trans "Power" %}
                                     </a>
                                 </li>
                                 <li role="presentation">
-                                    <a href="#access" id="action-button" aria-controls="access" role="tab" data-toggle="tab">
+                                    <a href="#access" class="action-button" aria-controls="access" role="tab" data-toggle="tab">
                                         <span id="action-block" class="glyphicon glyphicon-lock" aria-hidden="true"></span>
                                         {% trans "Access" %}
                                     </a>
                                 </li>
                                 <li role="presentation">
-                                    <a href="#resize" id="action-button" aria-controls="resize" role="tab" data-toggle="tab">
+                                    <a href="#resize" class="action-button" aria-controls="resize" role="tab" data-toggle="tab">
                                         <span id="action-block" class="glyphicon glyphicon-resize-full" aria-hidden="true"></span>
                                         {% trans "Resize" %}
                                     </a>
                                 </li>
                                 <li role="presentation">
-                                    <a href="#snapshots" id="action-button" aria-controls="snapshots" role="tab" data-toggle="tab">
+                                    <a href="#snapshots" class="action-button" aria-controls="snapshots" role="tab" data-toggle="tab">
                                         <span id="action-block" class="glyphicon glyphicon-camera" aria-hidden="true"></span>
                                         {% trans "Snapshots" %}
                                     </a>
                                 </li>
                                 <li role="presentation">
-                                    <a href="#settings" id="action-button" aria-controls="settings" role="tab" data-toggle="tab">
+                                    <a href="#settings" class="action-button" aria-controls="settings" role="tab" data-toggle="tab">
                                         <span id="action-block" class="glyphicon glyphicon-cog" aria-hidden="true"></span>
                                         {% trans "Settings" %}
                                     </a>
                                 </li>
                                 <li role="presentation">
-                                    <a href="#graphics" id="action-button" aria-controls="graphics" role="tab" data-toggle="tab">
+                                    <a href="#graphics" id="chartgraphs" class="action-button" aria-controls="graphics" role="tab" data-toggle="tab">
                                         <span id="action-block" class="glyphicon glyphicon-signal" aria-hidden="true"></span>
                                         {% trans "Graphs" %}
                                     </a>
                                 </li>
                                 <li role="presentation">
-                                    <a href="#undefine" id="action-button" aria-controls="undefine" role="tab" data-toggle="tab">
+                                    <a href="#undefine" class="action-button" aria-controls="undefine" role="tab" data-toggle="tab">
                                         <span id="action-block" class="glyphicon glyphicon-trash" aria-hidden="true"></span>
                                         {% trans "Destroy" %}
                                     </a>
@@ -689,15 +689,55 @@
                                         <!-- Nav tabs -->
                                         <ul class="nav nav-tabs" role="tablist">
                                             <li role="presentation" class="active">
-                                                <a href="#graps" aria-controls="graps" role="tab" data-toggle="tab">
+                                                <a href="#graphs" aria-controls="graphs" role="tab" data-toggle="tab">
                                                     {% trans "Real Time" %}
                                                 </a>
                                             </li>
                                         </ul>
                                         <!-- Tab panes -->
                                         <div class="tab-content">
-                                            <div role="tabpanel" class="tab-pane tab-pane-bordered active" id="graps">
+                                            <div role="tabpanel" class="tab-pane tab-pane-bordered active" id="graphs">
-                                                <p>Graphics</p>
+                                                <div class="panel panel-success">
+                                                    <div class="panel-heading">
+                                                        <h3 class="panel-title"><i class="fa fa-long-arrow-right"></i> {% trans "CPU usage" %}</h3>
+                                                    </div>
+                                                    <div class="panel-body">
+                                                        <div class="flot-chart">
+                                                            <div class="flot-chart-content" id="flot-moving-line-chart" style="padding: 0px; position: relative;">
+                                                                <canvas id="cpuChart" width="735" height="250"></canvas>
+                                                            </div>
+                                                        </div>
+                                                    </div>
+                                                </div>
+                                                {% for net in networks %}
+                                                    <div class="panel panel-info">
+                                                        <div class="panel-heading">
+                                                            <h3 class="panel-title"><i class="fa fa-long-arrow-right"></i> {% trans "Bandwidth device:" %} eth{{ forloop.counter0 }}</h3>
+                                                        </div>
+                                                        <div class="panel-body">
+                                                            <div class="flot-chart">
+                                                                <div class="flot-chart-content" id="flot-moving-line-chart" style="padding: 0px; position: relative;">
+                                                                    <canvas id="netEth{{ forloop.counter0 }}Chart" width="735" height="250"></canvas>
+                                                                </div>
+                                                            </div>
+                                                        </div>
+                                                    </div>
+                                                {% endfor %}
+                                                {% for disk in disks %}
+                                                    <div class="panel panel-warning">
+                                                        <div class="panel-heading">
+                                                            <h3 class="panel-title"><i class="fa fa-long-arrow-right"></i> {% trans "Disk I/O device:" %} {{ disk.dev }}</h3>
+                                                        </div>
+                                                        <div class="panel-body">
+                                                            <div class="flot-chart">
+                                                                <div class="flot-chart-content" id="flot-moving-line-chart" style="padding: 0px; position: relative;">
+                                                                    <canvas id="blk{{ disk.dev }}Chart" width="735" height="250"></canvas>
+                                                                </div>
+                                                            </div>
+                                                        </div>
+                                                    </div>
+                                                {% endfor %}
+                                                <div class="clearfix"></div>
                                             </div>
                                         </div>
                                     </div>
@@ -828,4 +868,126 @@
         });
     });
 </script>
+<script src="{{ STATIC_URL }}js/Chart.min.js"></script>
+<script>
+$( "#graphics" ).click();
+</script>
+<script>
+    $('#chartgraphs').on('shown.bs.tab', function (e) {
+        var cpuLineData = {
+            labels : [0, 0, 0, 0, 0],
+            datasets : [
+                {
+                    fillColor: "rgba(241,72,70,0.5)",
+                    strokeColor: "rgba(241,72,70,1)",
+                    pointColor : "rgba(241,72,70,1)",
+                    pointStrokeColor : "#fff",
+                    pointHighlightFill : "#fff",
+                    pointHighlightStroke : "rgba(220,220,220,1)",
+                    data : [0, 0, 0, 0, 0]
+                }
+            ]
+        };
+
+        var diskLineData = {
+            labels : [0, 0, 0, 0, 0],
+            datasets : [
+                {
+                    "fillColor": "rgba(83,191,189,0.5)",
+                    "strokeColor": "rgba(83,191,189,1)",
+                    "pointColor": "rgba(83,191,189,1)",
+                    "pointStrokeColor": "#fff",
+                    "data": [0, 0, 0, 0, 0]
+                },
+                {
+                    "fillColor": "rgba(249,134,33,0.5)",
+                    "strokeColor": "rgba(249,134,33,1)",
+                    "pointColor": "rgba(249,134,33,1)",
+                    "pointStrokeColor": "#fff",
+                    "data": [0, 0, 0, 0, 0]
+                },
+            ]
+        }
+
+        var netLineData = {
+            labels : [0, 0, 0, 0, 0],
+            datasets : [
+               {
+                    "fillColor": "rgba(83,191,189,0.5)",
+                    "strokeColor": "rgba(83,191,189,1)",
+                    "pointColor": "rgba(83,191,189,1)",
+                    "pointStrokeColor": "#fff",
+                    "data": [0, 0, 0, 0, 0]
+               },
+               {
+                    "fillColor": "rgba(151,187,205,0.5)",
+                    "strokeColor": "rgba(151,187,205,1)",
+                    "pointColor": "rgba(151,187,205,1)",
+                    "pointStrokeColor": "#fff",
+                    "data": [0, 0, 0, 0, 0]
+               },
+            ]
+        }
+
+        var cpuOpt = {
+            animation: false,
+            pointDotRadius: 2,
+            scaleLabel: "<%=value%> %",
+            scaleOverride: true,
+            scaleSteps: 10,
+            scaleStepWidth: 10,
+            scaleStartValue: 0,
+            responsive: true
+        };
+
+        var diskOpt = {
+            animation: false,
+            pointDotRadius: 2,
+            scaleLabel: "<%=value%> Mb/s",
+            responsive: true
+        };
+
+        var netOpt = {
+            animation: false,
+            pointDotRadius: 2,
+            scaleLabel: "<%=value%> Mbps",
+            responsive: true
+        };
+
+        var cpu_ctx = $("#cpuChart").get(0).getContext("2d");
+        var cpuChart = new Chart(cpu_ctx).Line(cpuLineData, cpuOpt);
+
+        var diskChart = {};
+        {% for disk in disks %}
+            var disk_ctx_{{ disk.dev }} = $("#blk{{ disk.dev }}Chart").get(0).getContext("2d");
+            diskChart['{{ disk.dev }}'] = new Chart(disk_ctx_{{ disk.dev }}).Line(diskLineData, diskOpt);
+        {% endfor %}
+
+        var netChart = {};
+        {% for net in networks %}
+            var net_ctx_{{ forloop.counter0 }} = $("#netEth{{ forloop.counter0 }}Chart").get(0).getContext("2d");
+            netChart['{{ forloop.counter0 }}'] = new Chart(net_ctx_{{ forloop.counter0 }}).Line(netLineData, netOpt);
+        {% endfor %}
+
+        function graph_usage() {
+            $.getJSON('{% url 'inst_graph' compute_id vname %}', function (data) {
+                cpuChart.scale.xLabels = data.timeline;
+                for (var i = 0; i < 5; i++) {
+                    cpuChart.datasets[0].points[i].value = data.cpudata[i];
+                }
+                cpuChart.update();
+            });
+        }
+
+{##}
+{#        $(function(f) {#}
+{#            window.setInterval('graph_usage()', 2000);#}
+{#        });#}
+
+    });
+
+
+
+
+ </script>
 {% endblock %}

templates/overview.html

@@ -81,7 +81,7 @@
             </div>
 {% endblock %}
 {% block script %}
-<script src="{{ STATIC_URL }}/js/Chart.min.js"></script>
+<script src="{{ STATIC_URL }}js/Chart.min.js"></script>
 <script>
     var cpuLineData = {
         labels : [0, 0, 0, 0, 0],
@@ -133,7 +133,7 @@
         responsive: true
     });
 
-    function hostusage() {
+    function graph_usage() {
         $.getJSON('{% url 'compute_graph' compute_id %}', function (data) {
             cpuChart.scale.xLabels = data.timeline;
             memChart.scale.xLabels = data.timeline;
@@ -145,8 +145,9 @@
             memChart.update();
         });
     }
+
     $(function () {
-        window.setInterval('hostusage()', 4000);
+        window.setInterval(graph_usage(), 4000);
     });
 </script>
 {% endblock %}

webvirtcloud/urls.py

@@ -12,6 +12,8 @@ urlpatterns = patterns('',
     url(r'^instances$', 'instances.views.instances', name='instances'),
     url(r'^instance/(\d+)/([\w\-\.]+)/$', 'instances.views.instance', name='instance'),
 
+    url(r'^instance/statistics/(\d+)/([\w\-\.]+)/$', 'instances.views.inst_graph', name='inst_graph'),
+
     url(r'^computes/$', 'computes.views.computes', name='computes'),
     url(r'^compute/overview/(\d+)/$', 'computes.views.overview', name='overview'),