src/emuvim/dashboard/js/main.js

   1 var API_HOST = "http://127.0.0.1:5001";
   2 var ERROR_ALERT = false;
   3 var TIMESTAMP = 0;
   4 var CONNECTED = false;
   5 var LATENESS_UPDATE_INTERVAL = 50;
   6 var DATA_UPDATE_INTERVAL = 1000 * 10;
   7 var LAST_UPDATE_TIMESTAMP_CONTAINER = 0;
   8 var LAST_UPDATE_TIMESTAMP_DATACENTER = 0;
   9
  10
  11 function update_lateness_loop() {
  12     lateness_datacenter= (Date.now() - LAST_UPDATE_TIMESTAMP_DATACENTER) / 1000;
  13     $("#lbl_lateness_datacenter").text("Lateness: " + Number(lateness_datacenter).toPrecision(3) + "s");
  14     lateness_container= (Date.now() - LAST_UPDATE_TIMESTAMP_CONTAINER) / 1000;
  15     $("#lbl_lateness_container").text("Lateness: " + Number(lateness_container).toPrecision(3) + "s");
  16     // loop while connected
  17     if(CONNECTED)
  18         setTimeout(update_lateness_loop, LATENESS_UPDATE_INTERVAL)
  19 }
  20
  21
  22 function errorAjaxConnection()
  23 {
  24     // only do once
  25     if(!ERROR_ALERT)
  26     {
  27         ERROR_ALERT = true;
  28         // show message
  29         alert("ERROR!\nAPI request failed.\n\n Please check the backend connection.", function() {
  30             // callback
  31             ERROR_ALERT = false;
  32         });
  33     }
  34 }
  35
  36
  37 function update_table_datacenter(data)
  38 {
  39     console.debug(data)
  40     // clear table
  41     $("#table_datacenter").empty();
  42     // header
  43     $("#table_datacenter").append('<tr class="tbl-head"><td>Label</td><td>Int. Name</td><td>Switch</td><td>Num. Containers</td><td>VNFs</td></tr>');
  44     // fill table
  45     $.each(data, function(i, item) {
  46         var row_str = "";
  47         row_str += '<tr class="tbl-row clickable_row" id="datacenter_row_' + i +'">';
  48         row_str += '<td>' + item.label + '1</td>';
  49         row_str += '<td>' + item.internalname + '</td>';
  50         row_str += '<td>' + item.switch + '</td>';
  51         row_str += '<td><span class="badge">' + item.n_running_containers + '</span></td>';
  52         //row_str += '<td><span class="badge">' + Object.keys(item.metadata).length + '</span></td>';
  53         row_str += '<td>' + item.vnf_list + '</span></td>';
  54         row_str += '<tr>';
  55         $("#table_datacenter").append(row_str);
  56     });
  57     $("#lbl_datacenter_count").text(data.length);
  58     // update lateness counter
  59     LAST_UPDATE_TIMESTAMP_DATACENTER = Date.now();
  60 }
  61
  62
  63 function update_table_container(data)
  64 {
  65     console.debug(data)
  66     // clear table
  67     $("#table_container").empty();
  68     // header
  69     $("#table_container").append('<tr class="tbl-head"><td>Datacenter</td><td>Container</td><td>Image</td><td>docker0</td><td>Networking   [datacenter port | interface | ip]</td></tr>');
  70     // fill table
  71     $.each(data, function(i, item) {
  72         var row_str = "";
  73         row_str += '<tr class="tbl-row clickable_row" id="container_row_' + item[0] +'">';
  74         row_str += '<td>' + item[1].datacenter + '</td>';
  75         row_str += '<td>' + item[0] + '</td>';
  76         row_str += '<td>' + item[1].image + '</td>';
  77         row_str += '<td><code>' + item[1].docker_network + '</code></td>';
  78         row_str += '<td><table class="interface_table" id="network_list_' + item[0] + '">';
  79         //row_str += build_network_table(item[1].network, item[0]);
  80         row_str += '</table></td>';
  81         row_str += '</tr>';
  82             $("#table_container").append(row_str);
  83             build_network_table(item[1].network, item[0]);
  84     });
  85     $("#lbl_container_count").text(data.length);
  86     // update lateness counter
  87     LAST_UPDATE_TIMESTAMP_CONTAINER = Date.now();
  88 }
  89
  90 function build_network_table(network_list, id)
  91 {
  92     console.debug('network list ' + id)
  93     console.debug(network_list)
  94     var row_str = "";
  95     network_list.forEach(function(interface) {
  96         row_str += '<tr class="interface_row">';
  97         row_str += '<td class="interface_port">' + interface.dc_portname + '</td>';
  98         row_str += '<td class="interface name">' + interface.intf_name + '</td>';
  99         row_str += '<td class="interface_ip">' + interface.ip + '</td>';
 100         row_str += '</tr>';
 101     });
 102     $("#network_list_" + id).append(row_str)
 103 }
 104
 105 function fetch_datacenter()
 106 {
 107     // do HTTP request and trigger gui update on success
 108     var request_url = API_HOST + "/restapi/datacenter";
 109     console.debug("fetching from: " + request_url);
 110     $.getJSON(request_url,  update_table_datacenter);
 111 }
 112
 113
 114 function fetch_container()
 115 {
 116     // do HTTP request and trigger gui update on success
 117     var request_url = API_HOST + "/restapi/compute";
 118     console.debug("fetching from: " + request_url);
 119     $.getJSON(request_url,  update_table_container);
 120 }
 121
 122
 123 function fetch_d3graph()
 124 {
 125     // do HTTP request and trigger gui update on success
 126     var request_url = API_HOST + "/restapi/network/d3jsgraph";
 127     console.debug("fetching from: " + request_url);
 128     //$.getJSON(request_url,  update_graph);
 129 }
 130
 131 function fetch_loop()
 132 {
 133     // only fetch if we are connected
 134     if(!CONNECTED)
 135         return;
 136
 137     // download data
 138     fetch_datacenter();
 139     fetch_container();
 140
 141     // loop while connected
 142     if(CONNECTED)
 143         setTimeout(fetch_loop, DATA_UPDATE_INTERVAL);
 144 }
 145
 146
 147 function connect()
 148 {
 149     console.info("connect()");
 150     // get host address
 151     API_HOST = "http://" + $("#text_api_host").val();
 152     console.debug("API address: " + API_HOST);
 153     // reset data
 154     LAST_UPDATE_TIMESTAMP_DATACENTER = Date.now();
 155     LAST_UPDATE_TIMESTAMP_CONTAINER = Date.now();
 156     CONNECTED = true;
 157     // restart lateness counter
 158     update_lateness_loop();
 159     // restart data fetch loop
 160     fetch_loop();
 161     // gui updates
 162     $("#btn_disconnect").removeClass("disabled");
 163     $("#btn_connect").addClass("disabled");
 164 }
 165
 166 function disconnect()
 167 {
 168     console.info("disconnect()");
 169     CONNECTED = false;
 170      // gui updates
 171     $("#btn_connect").removeClass("disabled");
 172     $("#btn_disconnect").addClass("disabled");
 173 }
 174
 175
 176 $(document).ready(function(){
 177     console.info("document ready");
 178     // setup global connection error handling
 179     /*
 180     $.ajaxSetup({
 181         "error": errorAjaxConnection
 182     });
 183
 184     // add listeners
 185     $("#btn_connect").click(connect);
 186     $("#btn_disconnect").click(disconnect);
 187     */
 188     setTimeout(fetch_datacenter, 500);//fetch_datacenter();
 189     setTimeout(fetch_container, 1000);//fetch_container();
 190
 191
 192     // additional refresh on window focus
 193     $(window).focus(function () {
 194         if(CONNECTED)
 195         {
 196             fetch_datacenter();
 197             fetch_container();
 198         }
 199     });
 200
 201 });