public async Task <HealthCheckResult> CheckHealthAsync(HealthCheckContext context, CancellationToken cancellationToken = default)
{
Task <DateTimeOffset> oldestWaitingToBeDeleated = _backgroundServiceHealthCheckCache.GetOrAddOldestTimeAsync(_indexDataStore.GetOldestDeletedAsync, cancellationToken);
Task <int> numReachedMaxedRetry = _backgroundServiceHealthCheckCache.GetOrAddNumExhaustedDeletionAttemptsAsync(
t => _indexDataStore.RetrieveNumExhaustedDeletedInstanceAttemptsAsync(_deletedInstanceCleanupConfiguration.MaxRetries, t),
cancellationToken);
_telemetryClient.GetMetric("Oldest-Requested-Deletion").TrackValue((await oldestWaitingToBeDeleated).ToUnixTimeSeconds());
_telemetryClient.GetMetric("Count-Deletions-Max-Retry").TrackValue(await numReachedMaxedRetry);
return(HealthCheckResult.Healthy("Successfully computed values for background service."));
}
public async Task <HealthCheckResult> CheckHealthAsync(HealthCheckContext context, CancellationToken cancellationToken = default)
{
try
{
Task <DateTimeOffset> oldestWaitingToBeDeleated = _backgroundServiceHealthCheckCache.GetOrAddOldestTimeAsync(_indexDataStore.GetOldestDeletedAsync, cancellationToken);
Task <int> numReachedMaxedRetry = _backgroundServiceHealthCheckCache.GetOrAddNumExhaustedDeletionAttemptsAsync(
t => _indexDataStore.RetrieveNumExhaustedDeletedInstanceAttemptsAsync(_deletedInstanceCleanupConfiguration.MaxRetries, t),
cancellationToken);
_telemetryClient.GetMetric("Oldest-Requested-Deletion").TrackValue((await oldestWaitingToBeDeleated).ToUnixTimeSeconds());
_telemetryClient.GetMetric("Count-Deletions-Max-Retry").TrackValue(await numReachedMaxedRetry);
}
catch (DataStoreException e) // This is expected when service is starting up without schema initialization
{
_logger.LogError(e, "The service is unhealthy.");
return(HealthCheckResult.Unhealthy("Unhealthy service."));
}
return(HealthCheckResult.Healthy("Successfully computed values for background service."));
}