public CreateResponse Create(ContainerSpecApiModel spec)
{
if (spec.Env == null)
{
spec.Env = new List<string>();
}
var containerSpec = new ContainerSpec
{
Handle = spec.Handle,
Properties = spec.Properties,
Environment = ContainerService.EnvsFromList(spec.Env)
};
try
{
var container = containerService.CreateContainer(containerSpec);
container.SetActiveProcessLimit(CONTAINER_ACTIVE_PROCESS_LIMIT);
container.SetPriorityClass(ProcessPriorityClass.BelowNormal);
if (spec.Limits.MemoryLimits.LimitInBytes != null)
container.LimitMemory(spec.Limits.MemoryLimits.LimitInBytes.Value);
if (spec.Limits.CpuLimits.Weight != null)
container.LimitCpu(spec.Limits.CpuLimits.Weight.Value);
if (spec.Limits.DiskLimits.ByteHard != null)
container.LimitDisk(spec.Limits.DiskLimits.ByteHard.Value);
return new CreateResponse
{
Handle = container.Handle
};
}
catch (PrincipalExistsException)
{
throw new HttpResponseException(Request.CreateResponse(HttpStatusCode.Conflict,
string.Format("handle already exists: {0}", spec.Handle)));
}
catch (Exception ex)
{
throw new HttpResponseException(Request.CreateResponse(HttpStatusCode.InternalServerError, ex.Message));
}
}
public CreateResponse Create(ContainerSpecApiModel spec)
{
if (spec.Env == null)
{
spec.Env = new List<string>();
}
var containerSpec = new ContainerSpec
{
Handle = spec.Handle,
Properties = spec.Properties,
Environment = ContainerService.EnvsFromList(spec.Env),
BindMounts = spec.BindMounts.Select(b => b.ToIronFrame()).ToArray()
};
try
{
var container = containerService.CreateContainer(containerSpec);
container.SetActiveProcessLimit(CONTAINER_ACTIVE_PROCESS_LIMIT);
container.SetPriorityClass(ProcessPriorityClass.BelowNormal);
container.LimitCpu(CONTAINER_DEFAULT_CPU_WEIGHT);
if (spec.Limits.MemoryLimits.LimitInBytes != null)
container.LimitMemory(spec.Limits.MemoryLimits.LimitInBytes.Value);
if (spec.Limits.DiskLimits.ByteHard != null)
container.LimitDisk(spec.Limits.DiskLimits.ByteHard.Value);
if (spec.GraceTime.HasValue)
container.SetProperty("GraceTime", spec.GraceTime.Value.ToString());
return new CreateResponse
{
Handle = container.Handle
};
}
catch (PrincipalExistsException)
{
throw new HttpResponseException(Request.CreateResponse(HttpStatusCode.Conflict,
string.Format("handle already exists: {0}", spec.Handle)));
}
}
private void describe_()
{
ContainersController containersController = null;
Mock<IContainerService> mockContainerService = null;
Mock<ILogger> mockLogger = null;
before = () =>
{
mockContainerService = new Mock<IContainerService>();
mockLogger = new Mock<ILogger>();
containersController = new ContainersController(mockContainerService.Object, mockLogger.Object)
{
Configuration = new HttpConfiguration(),
Request = new HttpRequestMessage()
};
};
describe[Controller.Index] = () =>
{
IReadOnlyList<string> result = null;
Mock<IContainer> mockContainer1 = null;
before = () =>
{
mockContainer1 = mockContainerWithHandle("handle1");
var mockContainer2 = mockContainerWithHandle("handle2");
var mockContainer3 = mockContainerWithHandle("handle3");
mockContainerService.Setup(x => x.GetContainers())
.Returns(new List<IContainer>
{
mockContainer1.Object,
mockContainer2.Object,
mockContainer3.Object
});
mockContainer1.Setup(x => x.GetProperties()).Returns(new Dictionary<string, string> { { "a", "b" } });
mockContainer2.Setup(x => x.GetProperties()).Returns(new Dictionary<string, string> { { "a", "b" }, { "c", "d" }, { "e", "f" } });
mockContainer3.Setup(x => x.GetProperties()).Returns(new Dictionary<string, string> { { "e", "f" } });
};
it["when filter is provided returns a filtered list of container id's as strings"] = () =>
{
result = containersController.Index("{\"a\":\"b\", \"e\":\"f\"}");
result.should_not_be_null();
result.Count.should_be(1);
result.should_contain("handle2");
};
it["without filter returns a list of all containers id's as strings"] = () =>
{
result = containersController.Index();
result.should_not_be_null();
result.Count.should_be(3);
result.should_contain("handle1");
result.should_contain("handle2");
result.should_contain("handle3");
};
it["filters out destroyed containers when a query is passed"] = () =>
{
mockContainer1.Setup(x => x.GetProperties())
.Returns(() => { throw new InvalidOperationException(); });
result = containersController.Index("{}");
result.should_not_contain("handle1");
result.should_contain("handle2");
result.should_contain("handle3");
};
};
describe["#Create"] = () =>
{
Mock<IContainer> mockContainer = null;
ContainerSpecApiModel containerSpec = null;
before = () =>
{
mockContainer = mockContainerWithHandle("thisHandle");
containerSpec = new ContainerSpecApiModel
{
Limits = new Limits
{
MemoryLimits = new MemoryLimits { LimitInBytes = 500 },
CpuLimits = new CpuLimits { Weight = 9999 },
DiskLimits = new DiskLimits { ByteHard = 999 }
},
GraceTime = 1234
};
};
context["on success"] = () =>
{
before = () =>
{
mockContainerService.Setup(x => x.CreateContainer(It.IsAny<ContainerSpec>()))
.Returns(mockContainer.Object);
};
it["returns a handle"] = () =>
{
var result = containersController.Create(containerSpec);
result.Handle.should_be("thisHandle");
};
it["sets ActiveProcessLimit on the Container"] = () =>
{
containersController.Create(containerSpec);
mockContainer.Verify(x => x.SetActiveProcessLimit(10));
};
it["sets PriorityClass on the Container"] = () =>
{
containersController.Create(containerSpec);
mockContainer.Verify(x => x.SetPriorityClass(ProcessPriorityClass.BelowNormal));
};
it["sets limits on the container"] = () =>
{
containersController.Create(containerSpec);
mockContainer.Verify(x => x.LimitMemory(500));
mockContainer.Verify(x => x.LimitDisk(999));
};
it["sets GraceTime on the Container"] = () =>
{
containersController.Create(containerSpec);
mockContainer.Verify(x => x.SetProperty("GraceTime", "1234"));
};
it["doesn't set limits when the values are null"] = () =>
{
containerSpec.Limits.MemoryLimits.LimitInBytes = null;
containerSpec.Limits.CpuLimits.Weight = null;
containerSpec.Limits.DiskLimits.ByteHard = null;
containersController.Create(containerSpec);
mockContainer.Verify(x => x.LimitMemory(It.IsAny<ulong>()), Times.Never());
mockContainer.Verify(x => x.LimitDisk(It.IsAny<ulong>()), Times.Never());
};
it["hard-codes the CPU limits to 5"] = () =>
{
containersController.Create(containerSpec);
mockContainer.Verify(x => x.LimitCpu(5));
};
};
context["on failure"] = () =>
{
before = () => mockContainerService.Setup(x => x.CreateContainer(It.IsAny<ContainerSpec>())).Throws(new Exception());
it["throws HttpResponseException"] = () =>
{
expect<HttpResponseException>(() => containersController.Create(containerSpec));
};
};
};
describe["#NetIn"] = () =>
{
string containerHandle = null;
string containerPath = null;
ContainerSpecApiModel specModel = null;
CreateResponse result = null;
Mock<IContainer> mockContainer = null;
string key = null;
string value = null;
context["when the container is created successfully"] = () =>
{
before = () =>
{
containerHandle = Guid.NewGuid().ToString();
containerPath = Path.Combine(@"C:\containerizer", containerHandle);
mockContainer = new Mock<IContainer>();
mockContainer.Setup(x => x.Handle).Returns(containerHandle);
mockContainerService.Setup(x => x.CreateContainer(It.IsAny<ContainerSpec>()))
.Returns(mockContainer.Object);
key = "hiwillyou";
value = "bemyfriend";
specModel = new ContainerSpecApiModel
{
Handle = containerHandle,
Properties = new Dictionary<string, string>
{
{key, value}
}
};
};
act = () => result = containersController.Create(specModel);
it["returns the passed in container's id"] = () =>
{
result.Handle.should_be(containerHandle);
};
it["sets properties"] = () =>
{
mockContainerService.Verify(
x => x.CreateContainer(
It.Is<ContainerSpec>(createSpec => createSpec.Properties[key] == value)));
};
context["when properties are not passed to the endpoint"] = () =>
{
before = () =>
{
specModel = new ContainerSpecApiModel
{
Handle = containerHandle,
Properties = null,
};
};
it["returns the passed in container's id"] = () =>
{
result.Handle.should_be(containerHandle);
};
};
};
context["when creating a container fails"] = () =>
{
Exception ex = null;
act = () =>
{
try
{
containersController.Create(new ContainerSpecApiModel()
{
Handle = "foo"
});
}
catch (Exception e)
{
ex = e;
}
};
context["because the user already exists"] = () =>
{
before = () =>
{
mockContainerService.Setup(x => x.CreateContainer(It.IsAny<ContainerSpec>()))
.Throws(new PrincipalExistsException());
};
it["throw HttpResponseException with handle already exists message"] = () =>
{
var httpResponse = ex.should_cast_to<HttpResponseException>();
httpResponse.Response.StatusCode.should_be(HttpStatusCode.Conflict);
httpResponse.Response.Content.ReadAsJsonString().should_be("handle already exists: foo");
};
};
};
};
string handle = "MySecondContainer";
describe["#Stop"] = () =>
{
IHttpActionResult result = null;
act = () => result = containersController.Stop(handle);
context["a handle which exists"] = () =>
{
Mock<IContainer> mockContainer = null;
before = () =>
{
mockContainer = new Mock<IContainer>();
mockContainerService.Setup(x => x.GetContainerByHandle(handle)).Returns(mockContainer.Object);
};
it["returns 200"] = () =>
{
result.should_cast_to<System.Web.Http.Results.OkResult>();
};
it["calls stop on the container"] = () =>
{
mockContainer.Verify(x => x.Stop(true));
};
};
context["a handle which does not exist"] = () =>
{
before = () =>
{
mockContainerService.Setup(x => x.GetContainerByHandle(handle)).Returns(null as IContainer);
};
it["returns 404"] = () =>
{
result.should_cast_to<System.Web.Http.Results.NotFoundResult>();
};
};
};
describe["#Destroy"] = () =>
{
IHttpActionResult result = null;
act = () => result = containersController.Destroy(handle);
context["a handle which exists"] = () =>
{
Mock<IContainer> mockContainer = null;
before = () =>
{
mockContainer = new Mock<IContainer>();
mockContainerService.Setup(x => x.GetContainerByHandle(handle)).Returns(mockContainer.Object);
};
it["returns 200"] = () =>
{
result.should_cast_to<System.Web.Http.Results.OkResult>();
};
it["calls delete on the containerPathService"] = () =>
{
mockContainerService.Verify(x => x.DestroyContainer(handle));
};
var setupDestroyExceptions = new Action<int>((int errorCount) =>
{
var callsCount = 0;
mockContainerService.Setup(x => x.DestroyContainer(handle)).Callback(() =>
{
if (callsCount++ < errorCount) throw new IOException("file is in use");
});
});
};
context["a handle which does not exist"] = () =>
{
before = () =>
{
mockContainerService.Setup(x => x.GetContainerByHandle(handle)).Returns(null as IContainer);
};
it["returns 404"] = () =>
{
result.should_cast_to<System.Web.Http.Results.NotFoundResult>();
};
};
};
}
