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Cloud Physical Resource Usage - Custom Datadog Dashboard

Overview​

Get started with custom dashboards and begin monitoring the physical resource usage of your OpenMetal cloud nodes.

Goal​

In this article you will learn how to import a custom Datadog dashboard, from a JSON formatted definition, providing a basic overview of your clouds physical resource usage and availability.

Prerequisites​

Access Datadog​

Access Datadog from OpenMetal Central with single sign-on

Create new dashboard​

  1. Navigate to Dashboards if not there already.

    New dash navigation

  2. Click [+ New Dashboard].

  3. In the new window, again click New Dashboard

    Create dash

    Note: The name field will be overwritten the imported JSON

Import JSON​

You now have a blank dashboard and Datadog has provided a handy sidebar for quickly searching and adding widgets. This is covering the settings menu we need so our first task is:

  1. Close the widget quick add sidebar

    Widget sidebar

  2. Click the now revealed gear icon to open the settings menu

    Settings

  3. Select Import dashboard from JSON...

    Import menu

  4. The next window asks for the dashboard JSON you wish to import. You can drag and drop, browse for a file, or paste from your clipboard.

    See code block

    Input JSON

  5. Confirm overwrite action

    Import confirmation

Cloud Physical Resource Usage dashboard​

If all went well you should now see your new dashboard.

Imported dash

To find out more about any of the widgets, mouse over its title bar and click the pencil (edit) icon.

Edit icon

This opens the editor for the selected widget.

Traffic monitor edit

On this page you can view and edit all aspects of the widget.

Editable fields

  1. Visualization type
  2. Data sources
  3. Display preferences
  4. Graph title

Here you can also view and/or edit your data source JSON directly.

Data source JSON

Dashboard JSON​

This JSON code creates a custom Datadog dashboard monitoring and visualizing the following values for each host:

  • CPU Idle
  • Percent Usable Memory
  • Network Traffic - Ingress + Egress
  • Percent Used Disk Space
  • Total Ceph Disk Usage

Code block​

{"title":"Cloud Physical Resource Usage","description":"## Title\n\nDescribe this dashboard. Add links to other dashboards, monitors, wikis,  and docs to help your teammates. Markdown is supported.\n\n- [This might link to a dashboard](#)\n- [This might link to a wiki](#)","widgets":[{"id":8462073962564395,"definition":{"title":"CPU Idle for all Hosts","title_size":"16","title_align":"left","show_legend":false,"time":{"live_span":"4h"},"type":"timeseries","requests":[{"formulas":[{"formula":"query1"}],"response_format":"timeseries","queries":[{"query":"sum:system.cpu.idle{*} by {host}","data_source":"metrics","name":"query1"}],"style":{"palette":"dog_classic","line_type":"solid","line_width":"normal"},"display_type":"line"}],"markers":[{"value":"y = 0","display_type":"error dashed"},{"value":"y = 100","display_type":"ok dashed"}]},"layout":{"x":0,"y":0,"width":4,"height":2}},{"id":8190888575322488,"definition":{"title":"Percent Usable Memory per Host","type":"treemap","requests":[{"formulas":[{"formula":"query1"}],"response_format":"scalar","queries":[{"query":"avg:system.mem.pct_usable{*} by {host}","data_source":"metrics","name":"query1","aggregator":"avg"}]}]},"layout":{"x":4,"y":0,"width":4,"height":2}},{"id":6935696381171286,"definition":{"title":"Ingress + Egress Network Traffic for all Hosts","title_size":"16","title_align":"left","show_legend":false,"legend_layout":"auto","legend_columns":["avg","min","max","value","sum"],"type":"timeseries","requests":[{"formulas":[{"formula":"query1"}],"response_format":"timeseries","queries":[{"query":"sum:system.net.bytes_rcvd{*} by {host}","data_source":"metrics","name":"query1"}],"style":{"palette":"dog_classic","line_type":"solid","line_width":"normal"},"display_type":"line"},{"formulas":[{"formula":"0 - query1"}],"response_format":"timeseries","queries":[{"query":"sum:system.net.bytes_sent{*} by {host}","data_source":"metrics","name":"query1"}],"style":{"palette":"dog_classic","line_type":"solid","line_width":"normal"},"display_type":"line"}]},"layout":{"x":8,"y":0,"width":4,"height":2}},{"id":4847638474091271,"definition":{"title":"Total Ceph Disk Usage","title_size":"16","title_align":"left","type":"query_value","requests":[{"formulas":[{"formula":"query1"}],"conditional_formats":[{"comparator":"<=","palette":"white_on_green","value":70},{"comparator":">","palette":"white_on_yellow","value":70},{"comparator":">","palette":"white_on_red","value":80}],"response_format":"scalar","queries":[{"query":"avg:ceph.aggregate_pct_used{*}","data_source":"metrics","name":"query1","aggregator":"avg"}]}],"autoscale":true,"precision":2},"layout":{"x":0,"y":2,"width":4,"height":2}},{"id":4208572359463889,"definition":{"title":"Percent Used Disk Space for each Host","title_size":"16","title_align":"left","show_legend":false,"legend_layout":"auto","legend_columns":["avg","min","max","value","sum"],"type":"timeseries","requests":[{"formulas":[{"formula":"query1"},{"formula":"query1 * 100"}],"response_format":"timeseries","queries":[{"query":"avg:system.disk.in_use{host:*} by {host}","data_source":"metrics","name":"query1"}],"style":{"palette":"dog_classic","line_type":"solid","line_width":"normal"},"display_type":"line"}],"markers":[{"value":"y = 100","display_type":"error dashed"}]},"layout":{"x":4,"y":2,"width":4,"height":2}}],"template_variables":[],"layout_type":"ordered","is_read_only":false,"notify_list":[],"reflow_type":"fixed","id":"xsb-5ef-g4d"}

Resources​