public async Task <EnvironmentCost> GetCost(RenderingEnvironment env, QueryTimePeriod period)
{
var client = await _clientAccessor.GetClient();
var usageRequest = CreateUsageRequest(env, period);
IReadOnlyList <Cost> costs =
await Task.WhenAll(env.ExtractResourceGroupNames().Select(
async rgName =>
{
var result = await client.GetUsageForResourceGroup(env.SubscriptionId, rgName, usageRequest);
if (result.Properties == null)
{
return(null);
}
else
{
return(new Cost(usageRequest.TimePeriod, result));
}
}));
costs = costs.Where(x => x != null).ToList();
if (!costs.Any())
{
return(new EnvironmentCost(env.Name, null));
}
return(new EnvironmentCost(env.Name, costs.Aggregate(Cost.Aggregate)));
}
public Task <EnvironmentCost> GetCost(RenderingEnvironment env, QueryTimePeriod timePeriod)
{
var cacheKey = Invariant($"REPORTING:{env.Name}/{timePeriod.From}/{timePeriod.To}");
return(_memoryCache.GetOrCreateAsync(cacheKey, Fetch));
Task <EnvironmentCost> Fetch(ICacheEntry ice)
{
ice.AbsoluteExpirationRelativeToNow = CacheResultsFor;
return(_inner.GetCost(env, timePeriod));
}
}
private static UsageRequest CreateUsageRequest(RenderingEnvironment env, QueryTimePeriod period)
{
var usageRequest =
new UsageRequest(
Timeframe.Custom,
new Dataset(
Granularity.Daily,
new Dictionary <string, Aggregation>
{
{ "totalCost", new Aggregation(AggregationFunction.Sum, "PreTaxCost") }
},
new List <Grouping>
{
new Grouping("ServiceName", ColumnType.Dimension)
},
FilterExpression.Tag("environment", Operator.In, new[] { env.Id })));
usageRequest.TimePeriod = period;
return(usageRequest);
}