// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using AzureMcp.Core.Commands;
using AzureMcp.Core.Commands.Subscription;
using AzureMcp.Core.Services.Telemetry;
using AzureMcp.Kusto.Options;
using AzureMcp.Kusto.Services;
using Microsoft.Extensions.Logging;
namespace AzureMcp.Kusto.Commands;
public sealed class ClusterListCommand(ILogger<ClusterListCommand> logger) : SubscriptionCommand<ClusterListOptions>()
{
private const string CommandTitle = "List Kusto Clusters";
private readonly ILogger<ClusterListCommand> _logger = logger;
public override string Name => "list";
public override string Description =>
"""
List all Kusto clusters in a subscription. This command retrieves all clusters
available in the specified subscription. Requires `subscription`.
Result is a list of cluster names as a JSON array.
""";
public override string Title => CommandTitle;
public override ToolMetadata Metadata => new() { Destructive = false, ReadOnly = true };
public override async Task<CommandResponse> ExecuteAsync(CommandContext context, ParseResult parseResult)
{
var options = BindOptions(parseResult);
try
{
if (!Validate(parseResult.CommandResult, context.Response).IsValid)
{
return context.Response;
}
var kusto = context.GetService<IKustoService>();
var clusterNames = await kusto.ListClusters(
options.Subscription!,
options.Tenant,
options.RetryPolicy);
context.Response.Results = clusterNames?.Count > 0 ?
ResponseResult.Create(new ClusterListCommandResult(clusterNames), KustoJsonContext.Default.ClusterListCommandResult) :
null;
}
catch (Exception ex)
{
_logger.LogError(ex, "An exception occurred listing Kusto clusters. Subscription: {Subscription}.", options.Subscription);
HandleException(context, ex);
}
return context.Response;
}
internal record ClusterListCommandResult(List<string> Clusters);
}
