[ 'help' => 'CPU usage percentage', 'type' => 'gauge', 'submetrics' => [ [ 'command' => 'top -bn1 | grep "Cpu(s)" | sed "s/.*, *\([0-9.]*\)%* id.*/\1/" | awk \'{print 100 - $1}\'', ], ], ], 'memory_usage' => [ 'help' => 'Memory usage percentage', 'type' => 'gauge', 'submetrics' => [ [ 'command' => 'free | grep Mem | awk \'{print $3/$2 * 100.0}\'', ], ], ], 'disk_usage' => [ 'help' => 'Disk usage percentage', 'type' => 'gauge', 'submetrics' => [ [ 'command' => 'df -h / | grep / | awk \'{print $5}\' | sed \'s/%//g\'', ], ], ], 'website_response_time' => [ 'help' => 'Response time of example.com in seconds', 'type' => 'gauge', 'submetrics' => [ [ 'http' => [ 'url' => 'http://example.com', 'data' => 'responsetime', ], ], ], ], 'website_status' => [ 'help' => 'HTTP status code of example.com', 'type' => 'gauge', 'submetrics' => [ [ 'http' => [ 'url' => 'http://example.com', 'data' => 'hasresponse', 'statuscode' => [200], ], ], ], ], 'http_request_count' => [ 'help' => 'Number of HTTP requests to example.com', 'type' => 'counter', 'submetrics' => [ [ 'http' => [ 'url' => 'http://example.com', 'data' => 'hasresponse', ], ], ], ], 'proxied_request' => [ 'help' => 'Response time of example.com via proxy in seconds', 'type' => 'gauge', 'submetrics' => [ [ 'http' => [ 'url' => 'http://example.com', 'data' => 'responsetime', 'proxy' => 'http://your-proxy-server:8080', ], ], ], ], 'json_data_metric' => [ 'help' => 'Value from JSON response of example.com', 'type' => 'gauge', 'submetrics' => [ [ 'http' => [ 'url' => 'http://example.com/api/data', 'data' => 'responsebody', ], 'jsonelem' => 'path.to.value', // Adjust the JSON path to the actual structure ], ], ], ];