Meta Analysis

To automate live deployments for multiple projects, save the projects under a single directory in QuantConnect Cloud. This tutorial assumes you save all the projects under a /Live directory.

Follow the below steps to get the project Ids of all projects under the /Live directory:

1. Open a research notebook.
2. Load the assembly files and data types in their own cell.

#load "../Initialize.csx"

3. Import the data types.

#load "../QuantConnect.csx"
#r "../Microsoft.Data.Analysis.dll"

using QuantConnect;
using QuantConnect.Data;
using QuantConnect.Algorithm;
using QuantConnect.Research;
using QuantConnect.Indicators;
using Microsoft.Data.Analysis;

4. Call the list_projects method to get a list of all project responses.

list_project_response = api.list_projects()

var listProjectResponse = api.ListProjects();

5. Obtain the project Ids for the projects in /Live directory.

project_ids = [
    project.project_id for project in list_project_response.projects
    if project.name.split("/")[0] == "Live"
]

var projectIds = listProjectResponse.Projects
            .Where(project => project.Name.Split('/').First() == "Live")
            .Select(project => project.ProjectId)
            .ToList();

Follow these steps to progromatically deploy the preceding projects with the QuantConnect API:

1. Compile all the projects and cache the compilation Ids with a dictionary.

compile_id_by_project_id = {}
for project_id in project_ids:
    compile_response = api.create_compile(project_id)
    if not compile_response.success:
        print(f"Errors compiling project {project_id}: \n{compile_response.errors}")
    else:
        compile_id_by_project_id[project_id] = compile_response.compile_id

var compileIdsByProjectIds = new Dictionary<int, string>();
foreach (var projectId in projectIds)
{
    var compileResponse = api.CreateCompile(projectId);
    if (!compileResponse.Success)
    {
        Console.WriteLine($"Errors compiling project {projectId}: \n{compileResponse.Errors}");
    }
    else
    {
        compileIdsByProjectIds[projectId] = compileResponse.CompileId;
    }
}

2. Get the Ids of all the live nodes that are available and sort them by their speed.

live_nodes = []
node_response = api.read_project_nodes(project_ids[0])

if not node_response.success:
    print(f"Error getting nodes: \n{node_response.errors}")
else:
    nodes = sorted(
        [node for node in node_response.nodes.live_nodes if not node.busy], 
        key=lambda node: node.speed, 
        reverse=True
    )
    node_ids = [node.id for node in nodes]

var liveNodes = new List<string>();
var nodeResponse = api.ReadProjectNodes(projectIds[0]);

if (!nodeResponse.Success)
{
    Console.WriteLine($"Error getting nodes: \n{nodeResponse.Errors}");
}
else
{
    nodesIds = nodeResponse.Nodes.LiveNodes
        .Where(node => !node.Busy)
        .OrderByDescending(node => node.Speed)
        .Select(node => node.Id)
        .ToList();
}

Check the length of node_idsnodeIds is greater than 0 to ensure there are live nodes available.

3. Configure your brokerage and environment.

For example, to use the QC paper brokerage, run:

base_live_algorithm_settings = {
    "id": "QuantConnectBrokerage",
    "user": "", 
    "password": "", 
    "environment": "paper", 
    "account": ""
}
version_id = "-1" # Master branch

var baseLiveAlgorithmSettings = new Dictionary<string, object>
{
    {"id", "QuantConnectBrokerage"},
    {"user", ""}, 
    {"password", ""}, 
    {"environment", "paper"},
    {"account", ""}
};
// Master branch
var versionId = "-1";

4. Deploy the projects and cache the project Ids of the successful deployments.

deployed_ids = []

for project_id, compile_id in compile_id_by_project_id.items():
    # Deploy live algorithm
    node_id = node_ids[len(deployed_ids)] # Fastest node available
    live_response = api.create_live_algorithm(project_id, compile_id, node_id, base_live_algorithm_settings, version_id)
    
    if not live_response.success:
        print(f"Errors deploying project {project_id}: \n{live_response.errors}")
    else:
        print(f"Deployed {project_id}")
        deployed_ids.append(project_id)

var deployedIds = new List<int>();

foreach (var kvp in compileIdsByProjectIds)
{
    var projectId = kvp.Key;
    var compileId = kvp.Value;

    // Deploy live algorithm
    var nodeId = nodeIds[deployedIds.Count()];
    var liveResponse = api.CreateLiveAlgorithm(projectId, compileId, nodeId, baseLiveAlgorithmSettings, versionId);
    
    if (!liveResponse.Success)
    {
        Console.WriteLine($"Errors deploying project {projectId}: \n{liveResponse.Errors}");
    }
    else
    {
        Console.WriteLine($"Deployed {projectId}");
        deployedIds.Add(projectId);
    }
}

To stop multiple live algorithms from an interactive notebook through the QuantConnect API, call the api.StopLiveAlgorithmapi.stop_live_algorithm method with each project Id.

for project_id in project_ids:
    stop_response = api.stop_live_algorithm(project_id)
    if not stop_response.success:
        print(f"Errors stopping live algorithm {project_id}: \n{stop_response.errors}")
    else:
        print(f"Successfully stopped live algorithm {project_id}")

foreach (var projectId in projectIds)
{
    var stopResponse = api.StopLiveAlgorithm(projectId);
    if (!stopResponse.Success)
    {
        Console.WriteLine($"Errors stopping live algorithm {projectId}: \n{stopResponse.Errors}");
    }
    else
    {
        Console.WriteLine($"Successfully stopped live algorithm {projectId}");
    }
}