/// <summary>
/// Initializes a new instance of the <see cref="CosmosDBService"/> class.
/// </summary>
/// <param name="configuration">Configuration.</param>
/// <param name="azure">Azure management connection.</param>
/// <param name="logger">Logger.</param>
public CosmosDBService(IConfiguration configuration, AzureService azure, ILogger <CosmosDBService> logger)
{
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
if (azure == null)
{
throw new ArgumentNullException(nameof(azure));
}
this.logger = logger;
var cosmosDBContainerResourceId = configuration["cosmosDBContainer"];
logger.LogInformation(
"Initializing connection to Cosmos DB container {cosmosDBContainerResourceId}",
cosmosDBContainerResourceId);
ParseCosmosDBContainerResourceId(
cosmosDBContainerResourceId,
out string cosmosDBResourceId,
out string cosmosDBDatabase,
out string cosmosDBContainer);
var cosmosDB = this.ConnectToCosmosDBAccount(azure, cosmosDBResourceId);
this.container = this.ConnectToCosmosDBContainer(cosmosDB, cosmosDBDatabase, cosmosDBContainer);
}
private ICosmosDBAccount ConnectToCosmosDBAccount(AzureService azure, string cosmosDBResourceId)
{
try
{
return(azure
.Azure
.CosmosDBAccounts
.GetById(cosmosDBResourceId));
}
catch (Exception e)
{
this.logger.LogCritical(
e,
"Couldn't retrieve Cosmos DB account keys for rule {cosmosDBResourceId}",
cosmosDBResourceId);
throw;
}
}