{% extends "base.html" %}

{% block content %}

        <script>
        $(document).ready(function(){
            // Pre-populated initial data at page load
            var content_data = {{ content_data }};

            rivets.formatters.mon_summary = function(mon_status) {
                var result = mon_status.monmap.mons.length.toString() + " (quorum ";
                result += mon_status.quorum.join(", ");
                result += ")";

                return result;
            };

            rivets.formatters.mds_summary = function(fs_map) {
                var standbys = 0;
                var active = 0;
                var standby_replay = 0;
                $.each(fs_map.standbys, function(i, s) {
                    standbys += 1;
                });

                if (fs_map.standbys && !fs_map.filesystems) {
                    return standbys + ", no filesystems"
                } else if (fs_map.filesystems.length == 0) {
                    return "no filesystems";
                } else {
                    $.each(fs_map.filesystems, function(i, fs) {
                        $.each(fs.mdsmap.info, function(j, mds) {
                            if (mds.state == "up:standby-replay") {
                                standby_replay += 1;
                            } else {
                                active += 1;
                            }
                        });
                    });

                    return active + " active, " + (standbys + standby_replay) + " standby";
                }
            };

            rivets.formatters.mgr_summary = function(mgr_map) {
                var result = "";
                result += "active: " + mgr_map.active_name;
                if (mgr_map.standbys.length) {
                    result += ", " + mgr_map.standbys.length + " standbys";
                }

                return result;
            };

            rivets.formatters.log_color = function(log_line) {
                if (log_line.priority == "[INF]") {
                    return "";  // Inherit
                } else if (log_line.priority == "[WRN]") {
                    return "color: #FFC200";
                } else if (log_line.priority == "[ERR]") {
                    return "color: #FF2222";
                } else {
                    return "";
                }
            };

            rivets.formatters.osd_summary = function(osd_map) {
                var in_count = 0;
                var up_count = 0;
                $.each(osd_map.osds, function(i, osd) {
                    if (osd.in) {
                        in_count++;
                    }
                    if (osd.up) {
                        up_count++;
                    }
                });

                return osd_map.osds.length + " (" + up_count + " up, " + in_count + " in)";
            };

            rivets.formatters.pg_status_style = function(pg_status) {
                $.each(pg_status, function(state, count) {
                    if (state == "active+clean"
                     || state == "active+clean+scrubbing"
                     || state == "active+clean+scrubbing+deep") {
                        return "color: #00bb00";
                    } else {
                        return "color: #FFC200";
                    }
                });
            };

            rivets.formatters.pg_status = function(pg_status) {
                var strings = [];
                $.each(pg_status, function(state, count) {
                    strings.push(count + " " + state);
                });

                return strings.join(", ");
            };

            // An extension to Chart.js to enable rendering some
            // text in the middle of a doughnut
            Chart.pluginService.register({
              beforeDraw: function(chart) {
                if (!chart.options.center_text) {
                    return;
                }
                var width = chart.chart.width,
                    height = chart.chart.height,
                    ctx = chart.chart.ctx;

                ctx.restore();
                var fontSize = (height / 114).toFixed(2);
                ctx.font = fontSize + "em sans-serif";
                ctx.fillStyle = "#ddd";
                ctx.textBaseline = "middle";


                var text = chart.options.center_text,
                    textX = Math.round((width - ctx.measureText(text).width) / 2),
                    textY = height / 2;

                ctx.fillText(text, textX, textY);
                ctx.save();
              }
            });

            var draw_usage_charts = function() {
                var raw_usage_text = Math.round(100*(
                    content_data.df.stats.total_used_bytes
                    / content_data.df.stats.total_bytes)) + "%";
                var raw_usage_canvas = $("#raw_usage_chart").get(0).getContext("2d");
                var raw_usage_chart = new Chart(raw_usage_canvas, {
                    type: 'doughnut',
                    data: {
                        labels:[
                            "Raw Used",
                            "Raw Available"
                        ],
                        datasets: [
                            {
                            'label': null,
                            borderWidth: 0,
                            data:[
                                content_data.df.stats.total_used_bytes,
                                content_data.df.stats.total_avail_bytes
                            ],
                            backgroundColor: ["#424d52", "#222d32"]
                            }
                        ]
                    },
                    options: {
                        center_text: raw_usage_text,
                        responsive: true,
                        legend: {display: false},
                        animation: {duration: 0}
                    }
                });

                var colors = ['#3366CC','#DC3912','#FF9900','#109618','#990099',
                    '#3B3EAC','#0099C6','#DD4477','#66AA00','#B82E2E','#316395',
                    '#994499','#22AA99','#AAAA11','#6633CC','#E67300','#8B0707',
                    '#329262','#5574A6','#3B3EAC'];

                var pool_usage_canvas = $("#pool_usage_chart").get(0).getContext("2d");
                var pool_labels = [];
                var pool_data = [];

                $.each(content_data.df.pools, function(i, pool) {
                    pool_labels.push(pool['name']);
                    pool_data.push(pool['stats']['bytes_used']);
                });

                var pool_usage_chart = new Chart(pool_usage_canvas, {
                    type: 'doughnut',
                    data: {
                        labels:pool_labels,
                        datasets: [
                            {
                            'label': null,
                            borderWidth: 0,
                            data:pool_data,
                            backgroundColor: colors
                            }
                        ]
                    },
                    options: {
                        responsive: true,
                        legend: {display: false},
                        animation: {duration: 0}
                    }
                });
            }

            draw_usage_charts();
            rivets.bind($("#content"), content_data);

            var refresh = function() {
                $.get("{{ url_prefix }}/health_data", function(data) {
                    _.extend(content_data, data);
                    draw_usage_charts();
                    setTimeout(refresh, 5000);
                });
            };
            setTimeout(refresh, 5000);
        });
    </script>

    <!-- Main content -->
    <section class="content">
        <div class="row">
            <div class="col-sm-6">
                <div class="box">
                    <div class="box-header">
                        Health
                    </div>
                    <div class="box-body">
                        Overall status: <span
                            rv-style="health.status | health_color">{health.status}</span>

                        <ul>
                            <li rv-each-check="health.checks">
                                <span rv-style="check.severity | health_color">{check.type}</span>:
                                {check.summary.message}
                            </li>
                        </ul>
                    </div>
                </div>
            </div>
            <div class="col-sm-3">
                <div class="info-box">
                    <span class="info-box-icon bg-grey"><i
                            class="fa fa-database"></i></span>

                    <div class="info-box-content">
                        <span class="info-box-text">Monitors</span>
                        <span class="info-box-number">{mon_status | mon_summary}</span>
                    </div>
                </div>
                <div class="info-box">
                    <span class="info-box-icon bg-grey"><i
                            class="fa fa-hdd-o"></i></span>

                    <div class="info-box-content">
                        <span class="info-box-text">OSDs</span>
                        <span class="info-box-number">{osd_map | osd_summary}</span>
                    </div>
                </div>
            </div>

            <div class="col-sm-3">
                <div class="info-box">
                    <span class="info-box-icon bg-grey"><i
                            class="fa fa-folder"></i></span>

                    <div class="info-box-content">
                        <span class="info-box-text">Metadata servers</span>
                        <span class="info-box-number">{fs_map | mds_summary}</span>
                    </div>
                </div>
                <div class="info-box">
                    <span class="info-box-icon bg-grey"><i
                            class="fa fa-cog"></i></span>

                    <div class="info-box-content">
                        <span class="info-box-text">Manager daemons</span>
                        <span class="info-box-number">{mgr_map | mgr_summary}</span>
                    </div>
                </div>
            </div>

        </div>

        <div class="row">
            <div class="col-sm-6">
                <div class="box">
                    <div class="box-header">
                        Usage
                    </div>
                    <div class="box-body" style="text-align:center;">
                        <table class="ceph-chartbox">
                            <tr>
                                <td>
                                    <span style="font-size: 45px;">{df.stats.total_objects | dimless}</span>
                                </td>
                                <td >
                                    <div style="height:120px; width: 120px;">
                                        <canvas id="raw_usage_chart"></canvas>
                                    </div>
                                </td>
                                <td>
                                    <div style="height:120px; width: 120px;">
                                        <canvas id="pool_usage_chart"></canvas>
                                    </div>
                                </td>
                            </tr>
                            <tr>
                                <td>Objects</td>
                                <td>Raw capacity<br>({df.stats.total_used_bytes | dimless_binary} used)</td>
                                <td>Usage by pool</td>
                            </tr>
                        </table>

                    </div>
                </div>
            </div>

            <div class="col-sm-6">
                <div class="box">
                    <div class="box-header">
                        Pools
                    </div>
                    <div class="box-body">
                        <table class="table table-condensed">
                            <thead>
                            <th>Name</th>
                            <th>PG status</th>
                            <th>Usage</th>
                            <th>Activity</th>
                            </thead>
                            <tbody>
                            <tr rv-each-pool="pools">
                                <td style="text-align: right;">
                                    {pool.pool_name}
                                </td>
                                <td rv-style="pool.pg_status | pg_status_style">
                                    {pool.pg_status | pg_status}
                                </td>
                                <td>
                                    {pool.stats.bytes_used.latest | dimless} /
                                    {pool.stats.max_avail.latest | dimless }
                                </td>
                                <td>
                                    {pool.stats.rd_bytes.rate | dimless } rd, {
                                    pool.stats.wr_bytes.rate | dimless } wr
                                </td>
                            </tr>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>

        <div class="box">
            <div class="box-body">
                <ul class="nav nav-tabs">
                  <li class="active"><a data-toggle="tab" href="#clog">Cluster log</a></li>
                  <li><a data-toggle="tab" href="#audit_log">Audit log</a></li>
                </ul>
                <div class="tab-content ceph-log">
                    <div id="clog" class="tab-pane fade in active">
                        <span>
                            <span rv-each-line="clog">
                                { line.stamp }&nbsp;{line.priority}&nbsp;
                                <span  rv-style="line | log_color">
                                        { line.message }
                                    <br>
                                </span>
                            </span>
                        </span>
                    </div>
                    <div id="audit_log" class="tab-pane fade in">
                        <span>
                            <span rv-each-line="audit_log">
                                { line.stamp }&nbsp;{line.priority}&nbsp;
                                <span  rv-style="line | log_color">
                                    <span style="font-weight: bold;">
                                        { line.message }
                                    </span><br>
                                </span>
                            </span>
                        </span>

                    </div>
                </div>

            </div>

        </div>
    </section>

{% endblock %}