public IHttpActionResult Post(UpdateConfigurationRequest updateConfiguration)
{
try
{
if (!remoteSettings.AllowRemoteDynamicConfigurationUpdate)
{
return new ChaosWebApiActionResult<string>(Request, HttpStatusCode.Forbidden, "Dynamic configuration update is disabled");
}
var apiConfiguration = UpdateRequestToConfigurationConverter.ToApiConfiguration(updateConfiguration);
apiConfiguration.Validate();
var existingHandler = configuration.MessageHandlers.FirstOrDefault(f => f.GetType() == typeof(ChaoticDelegatingHandler));
configuration.MessageHandlers.Remove(existingHandler);
if (existingHandler != null)
{
existingHandler.Dispose();
}
ChaosInstaller.Register(configuration, apiConfiguration);
return Ok();
}
catch (InvalidOperationException validationException)
{
return BadRequest(validationException.Message);
}
catch (Exception)
{
return InternalServerError();
}
}
public void Adds_Handler_When_Valid_Settings_Are_Provided()
{
remoteSettings.SetupGet(f => f.AllowRemoteDynamicConfigurationUpdate).Returns(true);
var request = new UpdateConfigurationRequest(){Enabled = true};
var result = chaosConfigurationChangedHookController.Post(request);
result.ShouldBeType(typeof(OkResult));
configuration.MessageHandlers.Count.ShouldEqual(1);
}
public void Returns_BadRequest_Result_When_Settings_Are_Invalid()
{
remoteSettings.SetupGet(f => f.AllowRemoteDynamicConfigurationUpdate).Returns(true);
var request = new UpdateConfigurationRequest()
{
Enabled = true,
ChaosSettings = new Collection<UpdateChaosSettings>() { new UpdateChaosSettings() { MaxResponseDelayTime = 1, MinResponseDelayTime = 2 } }
};
var result = chaosConfigurationChangedHookController.Post(request);
result.ShouldBeType(typeof(BadRequestErrorMessageResult));
}
public static ApiConfiguration ToApiConfiguration(UpdateConfigurationRequest updateConfigurationRequest)
{
var config = new ApiConfiguration
{
ChaosInterval = new TimeSpan(0, 0, updateConfigurationRequest.ChaosInterval),
ConfigurationRotationInterval = new TimeSpan(0, 0, updateConfigurationRequest.ConfigurationRotationInterval),
Enabled = updateConfigurationRequest.Enabled
};
foreach (var updateChaosSettings in updateConfigurationRequest.ChaosSettings)
{
var chaosConfiguration = new ChaosSettings
{
Name = updateChaosSettings.Name,
MaxResponseDelayTime = updateChaosSettings.MaxResponseDelayTime,
MinResponseDelayTime = updateChaosSettings.MinResponseDelayTime,
PercentageOfChaos = updateChaosSettings.PercentageOfChaos,
PercentageOfSlowResponses = updateChaosSettings.PercentageOfSlowResponses,
ResponseTypeMediaType = updateChaosSettings.ResponseTypeMediaType
};
if (updateChaosSettings.IgnoreUrls != null)
{
foreach (var url in updateChaosSettings.IgnoreUrls)
{
chaosConfiguration.IgnoreUrlPattern.Add(url.Pattern);
}
}
foreach (var updateResponse in updateChaosSettings.HttpResponses)
{
var httpResponse = new ResponseDetails { StatusCode = updateResponse.StatusCode };
foreach (var payload in updateResponse.Payloads.Select(chaosResponsePayload => new ChaosResponsePayload { Code = chaosResponsePayload.Code, Content = chaosResponsePayload.Content }))
{
httpResponse.Payloads.Add(payload);
}
chaosConfiguration.HttpResponses.Add(httpResponse);
}
config.ChaosSettings.Add(chaosConfiguration);
}
return config;
}