Implement the ability to show failed custom checks just like servicep…

src/BuslyCLI.Console/Commands/ServiceControl/CustomCheck/ListCustomChecksCommand.cs

@@ -0,0 +1,43 @@
+using BuslyCLI.Config;
+using BuslyCLI.Infrastructure;
+using Spectre.Console;
+using Spectre.Console.Cli;
+
+namespace BuslyCLI.Commands.ServiceControl.CustomCheck;
+
+public class ListCustomChecksCommand(IAnsiConsole console, INServiceBusConfiguration nservicebusConfiguration, ServiceControlClient serviceControlClient)
+    : AsyncCommand<ListCustomChecksSettings>
+{
+    protected override async Task<int> ExecuteAsync(CommandContext context, ListCustomChecksSettings settings, CancellationToken cancellationToken)
+    {
+        var config = await nservicebusConfiguration.GetServiceControlValidatedConfigurationAsync(settings.Config.Path);
+
+        var customChecks = await serviceControlClient.GetCustomChecksAsync(config.CurrentServiceControlInstanceConfig.Url,
+            status: "fail",
+            page: settings.Page,
+            pageSize: settings.PageSize,
+            cancellationToken);
+
+        var table = new Table();
+        table.AddColumn("Reported At");
+        table.AddColumn("Status");
+        table.AddColumn("Category");
+        table.AddColumn("Reason");
+        table.AddColumn("Endpoint");
+
+        foreach (var customCheck in customChecks.OrderByDescending(x => x.ReportedAt))
+        {
+            table.AddRow(
+                customCheck.ReportedAt.ToString("u"),
+                // TODO: Currently it's hardcoded to only show failures in ServiceControlClient
+                customCheck.Status == "fail" ? "[red]Fail[/]" : "[green]Pass[/]",
+                customCheck.Category,
+                customCheck.FailureReason,
+                $"{customCheck.OriginatingEndpoint.Name} ({customCheck.OriginatingEndpoint.Host})");
+        }
+
+        console.Write(table);
+
+        return 0;
+    }
+}

src/BuslyCLI.Console/Commands/ServiceControl/CustomCheck/ListCustomChecksSettings.cs

@@ -0,0 +1,18 @@
+
+
+using System.ComponentModel;
+using BuslyCLI.Commands;
+using Spectre.Console.Cli;
+
+public class ListCustomChecksSettings : GlobalCommandSettings
+{
+    [CommandOption("--page-size <page-size>")]
+    [DefaultValue(50)]
+    [Description("The page size to use when searching events")]
+    public int PageSize { get; set; }
+
+    [CommandOption("--page-number <page-number>")]
+    [DefaultValue(1)]
+    [Description("The page number to use when searching events")]
+    public int Page { get; set; }
+}

src/BuslyCLI.Console/Commands/ServiceControl/Message/SearchMessagesSettings.cs

@@ -10,7 +10,7 @@ public class SearchMessagesSettings : GlobalCommandSettings
     public string Keyword { get; set; } = "";
 
     [CommandOption("--endpoint <endpoint>")]
-    [Description("The endpoint to search messages for")]
+    [Description("Filter to one endpoint")]
     public string Endpoint { get; set; }
 
     [CommandOption("--page-size <page-size>")]

src/BuslyCLI.Console/Infrastructure/AppConfiguration.cs

@@ -3,6 +3,7 @@
 using BuslyCLI.Commands.NsbCommand;
 using BuslyCLI.Commands.NsbEvent;
 using BuslyCLI.Commands.NsbTimeout;
+using BuslyCLI.Commands.ServiceControl.CustomCheck;
 using BuslyCLI.Commands.ServiceControl.Endpoint;
 using BuslyCLI.Commands.ServiceControl.Event;
 using BuslyCLI.Commands.ServiceControl.Instance;
@@ -90,7 +91,7 @@ public static Action<IConfigurator> GetSpectreCommandConfiguration()
                     endpoints.SetDescription("Manage ServiceControl endpoints.");
                     endpoints.AddCommand<ListEndpointsCommand>("list")
                         .WithAlias("ls")
-                        .WithDescription("List all endpoints for the current ServiceControl instance.");
+                        .WithDescription("List all NServiceBus endpoints ServiceControl knows about.");
                     endpoints.AddCommand<DeleteEndpointCommand>("delete")
                         .WithAlias("d")
                         .WithDescription("Delete/Decommission an endpoint from the current ServiceControl instance.");
@@ -116,6 +117,13 @@ public static Action<IConfigurator> GetSpectreCommandConfiguration()
                         .WithAlias("ls")
                         .WithDescription("Show events for the current ServiceControl instance.");
                 });
+                servicecontrol.AddBranch("custom-check", customChecks =>
+                {
+                    customChecks.SetDescription("Manage custom checks for the current ServiceControl instance.");
+                    customChecks.AddCommand<ListCustomChecksCommand>("list")
+                        .WithAlias("ls")
+                        .WithDescription("Show custom-checks for the current ServiceControl instance.");
+                });
             });
 
             config.SetExceptionHandler((ex, _) =>

src/BuslyCLI.Console/Infrastructure/ServiceControlClient.cs

@@ -45,6 +45,17 @@ public async Task<ServiceControlLicense> GetLicenseAsync(string baseUrl, Cancell
         return await httpClient.GetFromJsonAsync<ServiceControlLicense>(url, JsonOptions, cancellationToken);
     }
 
+    public async Task<IReadOnlyList<ServiceControlCustomCheck>> GetCustomChecksAsync(string baseUrl, string status = null, int page = 1, int pageSize = 50, CancellationToken cancellationToken = default)
+    {
+        var queryParams = new List<string> { $"page={page}", $"pageSize={pageSize}" };
+
+        if (!string.IsNullOrEmpty(status))
+            queryParams.Add($"status={Uri.EscapeDataString(status)}");
+
+        var url = $"{baseUrl.TrimEnd('/')}/customchecks?{string.Join("&", queryParams)}";
+        return await httpClient.GetFromJsonAsync<List<ServiceControlCustomCheck>>(url, JsonOptions, cancellationToken) ?? [];
+    }
+
     public async Task<IReadOnlyList<ServiceControlMessage>> SearchMessagesAsync(
         string baseUrl,
         string q = null,

src/BuslyCLI.Console/Infrastructure/ServiceControlCustomCheck.cs

@@ -0,0 +1,19 @@
+namespace BuslyCLI.Infrastructure.ServiceControl;
+
+public class ServiceControlCustomCheck
+{
+    public string Id { get; set; }
+    public string CustomCheckId { get; set; }
+    public string Category { get; set; }
+    public string Status { get; set; }
+    public DateTimeOffset ReportedAt { get; set; }
+    public string FailureReason { get; set; }
+    public ServiceControlCustomCheckEndpoint OriginatingEndpoint { get; set; }
+}
+
+public class ServiceControlCustomCheckEndpoint
+{
+    public string Name { get; set; }
+    public Guid HostId { get; set; }
+    public string Host { get; set; }
+}

website/docs/cli-reference/cli-reference.md

@@ -20,6 +20,7 @@ This document contains information about all commands and settings available in
 -   `busly servicecontrol endpoint delete`
 -   `busly servicecontrol message search`
 -   `busly servicecontrol license show`
+-   `busly servicecontrol custom-check list`
 
 ## Global Options
 

website/docs/cli-reference/servicecontrol/custom-check/index.mdx

@@ -0,0 +1,7 @@
+import DocCardList from "@theme/DocCardList";
+
+# busly servicecontrol custom-check
+
+Use `busly servicecontrol custom-check` to manage custom checks.
+
+<DocCardList />

website/docs/cli-reference/servicecontrol/custom-check/list.md

@@ -0,0 +1,23 @@
+# busly servicecontrol custom-check list
+
+List all failed custom-checks for the current ServiceControl instance.
+
+## Usage
+
+```
+busly servicecontrol custom-check list
+```
+
+## Aliases
+
+- `ls`
+
+## Options
+
+None
+
+## Examples
+
+```
+busly servicecontrol custom-check list
+```