/// <summary>
/// Converts legacy V2-era configuration settings into the new format introduced in V3,
/// except for <see cref="BlobContainerConfiguration.Container"/>.
/// </summary>
/// <param name="legacyConfiguration">The old settings to convert.</param>
/// <returns>
/// The converted settings, except for <see cref="BlobContainerConfiguration.Container"/>.
/// </returns>
/// <remarks>
/// <para>
/// This always leaves <see cref="BlobContainerConfiguration.Container"/> set to null
/// because it cannot reliably determine the correct value for it. In cases where the
/// legacy configuration has <see cref="LegacyV2BlobStorageConfiguration.DisableTenantIdPrefix"/>
/// set to false, the real container name will be tenant-dependent.
/// </para>
/// </remarks>
public static BlobContainerConfiguration FromV2ToV3(LegacyV2BlobStorageConfiguration legacyConfiguration)
{
bool isDeveloperStorage =
legacyConfiguration.AccountName == "UseDevelopmentStorage=true" ||
legacyConfiguration.AccountName == null;
if (isDeveloperStorage)
{
return(new BlobContainerConfiguration
{
ConnectionStringPlainText = "UseDevelopmentStorage=true",
});
}
bool connectionStringInAccountName = string.IsNullOrWhiteSpace(legacyConfiguration.KeyVaultName);
return(new BlobContainerConfiguration
{
AccountName = connectionStringInAccountName
? null
: legacyConfiguration.AccountName,
ConnectionStringPlainText = connectionStringInAccountName
? legacyConfiguration.AccountName
: null,
AccessKeyInKeyVault = GetAccessKeyInKeyVaultSecretConfigurationIfApplicable(legacyConfiguration),
});
}
private static KeyVaultSecretConfiguration?GetAccessKeyInKeyVaultSecretConfigurationIfApplicable(
LegacyV2BlobStorageConfiguration legacyConfiguration)
{
return(legacyConfiguration.KeyVaultName is null
? null
: new KeyVaultSecretConfiguration
{
VaultName = legacyConfiguration.KeyVaultName,
SecretName = legacyConfiguration.AccountKeySecretName
?? throw new InvalidOperationException($"If {nameof(LegacyV2BlobStorageConfiguration.KeyVaultName)} is set in legacy configuration, {nameof(LegacyV2BlobStorageConfiguration.AccountKeySecretName)} must also be set"),
});