private static string GetAggregation(MetricQueryOptions options)
{
if (options?.Aggregations == null ||
options.Aggregations.Count == 0)
{
return(null);
}
return(string.Join(",", options.Aggregations));
}
/// <summary>
/// Queries metrics for a resource.
/// </summary>
/// <param name="resource">The resource name.
/// For example: <c>/subscriptions/[subscription_id]/resourceGroups/[resource_group_name]/providers/Microsoft.OperationalInsights/workspaces/[workspace_name]</c>.</param>
/// <param name="metrics">The list of metrics to query.</param>
/// <param name="options">The additional request options.</param>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> to use.</param>
/// <returns>The <see cref="MetricQueryResult"/> instance containing the query results.</returns>
public virtual Response <MetricQueryResult> Query(string resource, IEnumerable <string> metrics, MetricQueryOptions options = null, CancellationToken cancellationToken = default)
{
using DiagnosticScope scope = _clientDiagnostics.CreateScope($"{nameof(MetricsClient)}.{nameof(Query)}");
scope.Start();
try
{
return(_metricsRestClient.List(resource,
timespan: options?.TimeSpan?.ToString(),
interval: options?.Interval,
filter: options?.Filter,
top: options?.Top,
aggregation: GetAggregation(options),
metricnames: string.Join(",", metrics),
orderby: options?.OrderBy,
metricnamespace: options?.MetricNamespace,
cancellationToken: cancellationToken));
}
catch (Exception e)
{
scope.Failed(e);
throw;
}
}
