{{/* vim: set ft=gotmpl: */}}

{{ template "head" . }}

{{ template "prom_content_head" . }}
<div class="prom_content_div">
  <div style="columns:2;">
    <h1 style="margin-bottom:10px;">{{ reReplaceAll "(.*?://)([^:/]+?)(:\\d+)?/.*" "$2" .Params.instance }}</h1>
    <table class="table">
      <thead class="thead-dark">
        <tr><th colspan="2">Overview</th></tr>
      </thead>
      <tbody>
        <tr>
          <td>User CPU</td>
          <td>{{ template "prom_query_drilldown" (args (printf "sum(irate(node_cpu_seconds_total{job='node-exporter',instance='%s',mode='user'}[5m])) * 100 / count(count by (cpu)(node_cpu_seconds_total{job='node-exporter',instance='%s'}))" .Params.instance .Params.instance) "%" "printf.1f") }}</td>
        </tr>
        <tr>
          <td>System CPU</td>
          <td>{{ template "prom_query_drilldown" (args (printf "sum(irate(node_cpu_seconds_total{job='node-exporter',instance='%s',mode='system'}[5m])) * 100 / count(count by (cpu)(node_cpu_seconds_total{job='node-exporter',instance='%s'}))" .Params.instance .Params.instance) "%" "printf.1f") }}</td>
        </tr>
        <tr>
          <td>Memory Total</td>
          <td>{{ template "prom_query_drilldown" (args (printf "node_memory_MemTotal_bytes{job='node-exporter',instance='%s'}" .Params.instance) "B" "humanize1024") }}</td>
        </tr>
        <tr>
          <td>Memory Free</td>
          <td>{{ template "prom_query_drilldown" (args (printf "node_memory_MemFree_bytes{job='node-exporter',instance='%s'}" .Params.instance) "B" "humanize1024") }}</td>
        </tr>
      </tbody>
    </table>
    <table class="table">
      <tr><th colspan="2">Network</th></tr>
      {{ range printf "node_network_receive_bytes_total{job='node-exporter',instance='%s',device!='lo'}" .Params.instance | query | sortByLabel "device" }}
      <tr>
        <td>{{ .Labels.device }} Received</td>
        <td>{{ template "prom_query_drilldown" (args (printf "irate(node_network_receive_bytes_total{job='node-exporter',instance='%s',device='%s'}[5m])" .Labels.instance .Labels.device) "B/s" "humanize") }}</td>
      </tr>
      <tr>
        <td>{{ .Labels.device }} Transmitted</td>
        <td>{{ template "prom_query_drilldown" (args (printf "irate(node_network_transmit_bytes_total{job='node-exporter',instance='%s',device='%s'}[5m])" .Labels.instance .Labels.device) "B/s" "humanize") }}</td>
      </tr>
      {{ end }}
    </table>
    <table class="table">
      <tr><th colspan="2">Disks</th></tr>
      {{ range printf "node_disk_io_time_seconds_total{job='node-exporter',instance='%s',device!~'^(md\\\\d+$|dm-)'}" .Params.instance | query | sortByLabel "device" }}
      <tr>
        <td>{{ .Labels.device }} Utilization</td>
        <td>{{ template "prom_query_drilldown" (args (printf "irate(node_disk_io_time_seconds_total{job='node-exporter',instance='%s',device='%s'}[5m]) * 100" .Labels.instance .Labels.device) "%" "printf.1f") }}</td>
      </tr>
      {{ end }}
      {{ range printf "node_disk_io_time_seconds_total{job='node-exporter',instance='%s'}" .Params.instance | query | sortByLabel "device" }}
      <tr>
        <td>{{ .Labels.device }} Throughput</td>
        <td>{{ template "prom_query_drilldown" (args (printf "irate(node_disk_read_bytes_total{job='node-exporter',instance='%s',device='%s'}[5m]) + irate(node_disk_written_bytes_total{job='node-exporter',instance='%s',device='%s'}[5m])" .Labels.instance .Labels.device .Labels.instance .Labels.device) "B/s" "humanize") }}</td>
      </tr>
      {{ end }}
    </table>
    <table class="table">
      <tr><th colspan="2">Filesystem Fullness</th></tr>
      {{ define "roughlyNearZero" }}
      {{ if gt .1 . }}~0{{ else }}{{ printf "%.1f" . }}{{ end }}
      {{ end }}
      {{ range printf "node_filesystem_size_bytes{job='node-exporter',instance='%s'}" .Params.instance | query | sortByLabel "mountpoint" }}
      <tr>
        <td>{{ .Labels.mountpoint }}</td>
        <td>{{ template "prom_query_drilldown" (args (printf "100 - node_filesystem_avail_bytes{job='node-exporter',instance='%s',mountpoint='%s'} / node_filesystem_size_bytes{job='node-exporter'} * 100" .Labels.instance .Labels.mountpoint) "%" "roughlyNearZero") }}</td>
      </tr>
      {{ end }}
    </table>
  </div>
  <div>
    <h3>CPU Usage</h3>
    <div id="cpuGraph"></div>
    <script>
      new PromConsole.Graph({
        node: document.querySelector("#cpuGraph"),
        expr: [
          `sum by (mode)(irate(node_cpu_seconds_total{job='node-exporter',instance='{{ .Params.instance }}',mode!='idle',mode!='iowait',mode!='steal'}[5m]))`,
        ],
        renderer: 'area',
        max: {{ with printf "count(count by (cpu)(node_cpu_seconds_total{job='node-exporter',instance='%s'}))" .Params.instance | query }}{{ . | first | value }}{{ else}}undefined{{end}},
        yAxisFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
        yHoverFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
        yTitle: 'Cores'
      })
    </script>
  </div>
  <div>
    <h3>Disk I/O Utilization</h3>
    <div id="diskioGraph"></div>
    <script>
      new PromConsole.Graph({
        node: document.querySelector("#diskioGraph"),
        expr: [
          `irate(node_disk_io_time_seconds_total{job='node-exporter',instance='{{ .Params.instance }}',device!~'^(md\\\\d+$|dm-)'}[5m]) * 100`,
        ],
        min: 0,
        name: '[[ device ]]',
        yAxisFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
        yHoverFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
        yUnits: "%",
        yTitle: 'Disk I/O Utilization'
      })
    </script>
  </div>
  <div>
    <h3>Memory</h3>
    <div id="memoryGraph"></div>
    <script>
      new PromConsole.Graph({
        node: document.querySelector("#memoryGraph"),
        renderer: 'area',
        expr: [
          `node_memory_Cached_bytes{job='node-exporter',instance='{{ .Params.instance }}'}`,
          `node_memory_Buffers_bytes{job='node-exporter',instance='{{ .Params.instance }}'}`,
          `node_memory_MemTotal_bytes{job='node-exporter',instance='{{ .Params.instance }}'} - node_memory_MemFree_bytes{job='node-exporter',instance='{{.Params.instance}}'} - node_memory_Buffers_bytes{job='node-exporter',instance='{{.Params.instance}}'} - node_memory_Cached_bytes{job='node-exporter',instance='{{.Params.instance}}'}`,
          `node_memory_MemFree{job='node-exporter',instance='{{ .Params.instance }}'}`,
        ],
        name: ["Cached", "Buffers", "Used", "Free"],
        min: 0,
        yUnits: "B",
        yAxisFormatter: PromConsole.NumberFormatter.humanize1024,
        yHoverFormatter: PromConsole.NumberFormatter.humanize1024,
        yTitle: 'Memory'
      })
    </script>
  </div>
</div>
{{ template "prom_content_tail" . }}

{{ template "tail" . }}