public MetricCollectionServiceShould()
{
this.fakeMonitoringResource = A.Fake <IMonitoringApiClient>();
this.fakeMetricsAggregator = A.Fake <MetricsAggregator>();
this._fakeMetricsRequest = BuildMetricRequest();
this.sut = new MetricCollectionService(this.fakeMonitoringResource, this.fakeMetricsAggregator);
}
public async Task <IEnumerable <MetricModel> > CollectMetrics(IMetricsRequest metricsRequest)
{
var response = await this.monitoringResourceClient.FetchMetrics(metricsRequest).ConfigureAwait(false);
var aggregatedMetrics = response.Metrics.Where(m => m.MetricValues != null && m.MetricValues.Any())
.Select(m => metricsAggregator.Aggregate(m))
.ToList();
return(aggregatedMetrics);
}
private static string BuildFilter(IMetricsRequest metricsRequest)
{
var start = metricsRequest.StartTimeUtc.ToString("yyyy-MM-ddTHH:mm:00.000Z");
var end = metricsRequest.EndTimeUtc.ToString("yyyy-MM-ddTHH:mm:00.000Z");
var metricsSelector = metricsRequest.MetricsToGather.Select(m => string.Format("name.value eq '{0}'", m));
var metricsFilter = string.Join(" or ", metricsSelector);
var filter = string.Format("({0}) and endTime eq {1} and startTime eq {2} and timeGrain eq duration'PT1M'", metricsFilter, end, start);
return(filter);
}
public async Task <MetricsResponse> FetchMetrics(IMetricsRequest metricsRequest)
{
var token = await this.securityTokenProvider.GetSecurityTokenAsync().ConfigureAwait(false);
var request = new HttpRequestMessage(HttpMethod.Get, UriFactory.CreateMonitoringUriWithMetricFilter(metricsRequest));
request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", token);
var response = await this.httpClient.SendAsync(request).ConfigureAwait(false);
return(await Deserialise(response).ConfigureAwait(false));
}
public MonitoringResourceClientShould()
{
this.testUri = new Uri("https://management.azure.com");
this.fakeHttpClient = A.Fake <IHttpClient>();
this.fakeSecurityTokenProvider = A.Fake <ISecurityTokenProvider>();
this.fakeMetricRequest = BuildMetricRequest();
SetupFakeHttpResponseMessage(new HttpResponseMessage(HttpStatusCode.OK)
{
Content = GetTestContent(new MetricsResponse()
{
Metrics = GetMetricValues()
})
});
this.sut = new MonitoringApiClient(this.fakeSecurityTokenProvider, this.fakeHttpClient);
}
public static Uri CreateMonitoringUriWithMetricFilter(IMetricsRequest metricsRequest)
{
return(BuildUri(metricsRequest.ResourceId, BuildFilter(metricsRequest)));
}
