private async Task <bool> DeleteJobAsync(WebPingerArchive archive)
{
var name = $"wpa-{archive.Metadata.Name}-{archive.Metadata.CreationTimestamp:yyMMdd-HHmm}";
var jobs = await _kubernetes.ListNamespacedJobAsync(
Program.NamespaceName,
fieldSelector : $"metadata.name={name}");
if (jobs.Items.Any())
{
await _kubernetes.DeleteNamespacedJobAsync(name, Program.NamespaceName);
Console.WriteLine($"** Deleted Job: {name}, in namespace: {Program.NamespaceName}");
return(true);
}
else
{
Console.WriteLine($"** No Job to delete: {name}, in namespace: {Program.NamespaceName}");
return(false);
}
}
public static async Task Handle(WatchEventType type, WebPingerArchive archive)
{
switch (type)
{
case WatchEventType.Added:
var addedhandler = _ServiceProvider.GetService <WebPingerArchiveAddedHandler>();
await addedhandler.HandleAsync(archive);
Console.WriteLine($"* Handled event: {type}, for: {archive.Metadata.Name}");
break;
case WatchEventType.Deleted:
var deletedHandler = _ServiceProvider.GetService <WebPingerArchiveDeletedHandler>();
await deletedHandler.HandleAsync(archive);
Console.WriteLine($"* Handled event: {type}, for: {archive.Metadata.Name}");
break;
default:
Console.WriteLine($"* Ignored event: {type}, for: {archive.Metadata.Name}");
break;
}
}
public async Task <bool> HandleAsync(WebPingerArchive archive)
{
await DeleteJobAsync(archive);
return(true);
}
private async Task <bool> CreateJobAsync(WebPingerArchive archive)
{
// check a pinger exists to archive:
var services = await _kubernetes.ListNamespacedServiceAsync(
Program.NamespaceName,
labelSelector : $"app=web-ping,target={archive.Spec.Target}");
if (!services.Items.Any())
{
Console.WriteLine($"** No WebPinger Service exists for target: {archive.Spec.Target}, in namespace: {Program.NamespaceName}");
return(false);
}
var pingerServiceName = services.Items.First().Metadata.Name;
var name = $"wpa-{archive.Metadata.Name}-{archive.Metadata.CreationTimestamp:yyMMdd-HHmm}";
var jobs = await _kubernetes.ListNamespacedJobAsync(
Program.NamespaceName,
fieldSelector : $"metadata.name={name}");
if (!jobs.Items.Any())
{
var job = new V1Job
{
Metadata = new V1ObjectMeta
{
Name = name,
Labels = new Dictionary <string, string>()
{
{ "kiamol", "ch20" },
}
},
Spec = new V1JobSpec
{
Completions = 1,
Template = new V1PodTemplateSpec
{
Metadata = new V1ObjectMeta
{
Labels = new Dictionary <string, string>()
{
{ "app", "web-ping-archive" },
{ "target", archive.Spec.Target }
}
},
Spec = new V1PodSpec
{
AutomountServiceAccountToken = false,
RestartPolicy = "Never",
Containers = new List <V1Container>
{
new V1Container
{
Name = "archiver",
Image = "kiamol/ch20-web-ping-archiver",
Env = new List <V1EnvVar>
{
new V1EnvVar
{
Name = "WEB_PING_URL",
Value = $"http://{pingerServiceName}:8080/archive"
}
}
}
}
}
}
}
};
await _kubernetes.CreateNamespacedJobAsync(job, Program.NamespaceName);
Console.WriteLine($"** Created Job: {name}, in namespace: {Program.NamespaceName}");
return(true);
}
else
{
Console.WriteLine($"** Job exists: {name}, in namespace: {Program.NamespaceName}");
return(false);
}
}