public static Func <string, string> Create(IConfiguration bootstrapConfiguration)
{
string appConfigurationUri = bootstrapConfiguration[ConfigurationConstants.AppConfigurationUriConfigurationKey];
if (appConfigurationUri == null)
{
return(value => value);
}
TelemetryClient telemetry = ConfigMapper.GetTelemetryClient(bootstrapConfiguration);
TokenCredential credentials = ServiceConfigurationExtensions.GetAzureTokenCredential(bootstrapConfiguration);
var client = new ConfigurationClient(new Uri(appConfigurationUri), credentials);
void TrackEvent(string name, string key, Exception?error)
{
telemetry.TrackEvent(name, new Dictionary <string, string>
{
["name"] = key,
["appConfigurationUri"] = appConfigurationUri,
["success"] = error == null ? "true" : "false",
});
if (error != null)
{
telemetry.TrackException(error);
}
}
return(RegexConfigMapper.Create(ConfigReferenceRegex, key =>
{
const string featureManagementPrefix = "FeatureManagement:";
if (key.StartsWith(featureManagementPrefix))
{
key = key.Substring(featureManagementPrefix.Length);
var(result, error) = GetFeatureFlagValue(client, key);
TrackEvent("AppConfigurationFeatureFlagAccess", key, error);
return result;
}
else
{
var(result, error) = GetConfigurationSetting(client, key);
TrackEvent("AppConfigurationSettingAccess", key, error);
return result;
}
}));
}
public static Func <string, string> Create(IConfiguration bootstrapConfiguration)
{
TelemetryClient telemetry = ConfigMapper.GetTelemetryClient(bootstrapConfiguration);
string keyVaultUri = bootstrapConfiguration[ConfigurationConstants.KeyVaultUriConfigurationKey];
var credentials = ServiceConfigurationExtensions.GetAzureTokenCredential(bootstrapConfiguration);
var client = new SecretClient(new Uri(keyVaultUri), credentials);
void TrackEvent(string key, Exception?error)
{
telemetry.TrackEvent("KeyVaultSecretAccess", new Dictionary <string, string>
{
["secretKey"] = key,
["keyVaultUri"] = keyVaultUri,
["success"] = error == null ? "true" : "false",
});
if (error != null)
{
telemetry.TrackException(error);
}
}
return(RegexConfigMapper.Create(VaultReferenceRegex, key =>
{
try
{
var value = client.GetSecret(key).Value.Value;
TrackEvent(key, null);
return value;
}
catch (RequestFailedException ex)
{
TrackEvent(key, ex);
return "";
}
}));
}