private async Task DeleteDeploymentAsync(Timecheck timecheck)
{
var name = timecheck.Metadata.Name;
var deployments = await _kubernetes.ListNamespacedDeploymentAsync(
namespaceParameter : Program.NamespaceName,
fieldSelector : $"metadata.name={name}");
if (deployments.Items.Any())
{
await _kubernetes.DeleteNamespacedDeploymentAsync(name, Program.NamespaceName);
Console.WriteLine($"** Deleted Deployment: {name}, in namespace: {Program.NamespaceName}");
}
else
{
Console.WriteLine($"** No Deployment to delete: {name}, in namespace: {Program.NamespaceName}");
}
}
public static async Task Handle(WatchEventType type, Timecheck timecheck)
{
switch (type)
{
case WatchEventType.Added:
await new TimecheckAddedHandler(_Client).HandleAsync(timecheck);
Console.WriteLine($"* Handled event: {type}, for Timecheck: {timecheck.Metadata.Name}");
break;
case WatchEventType.Deleted:
await new TimecheckDeletedHandler(_Client).HandleAsync(timecheck);
Console.WriteLine($"* Handled event: {type}, for Timecheck: {timecheck.Metadata.Name}");
break;
default:
Console.WriteLine($"* Ignored event: {type}, for Timecheck: {timecheck.Metadata.Name}");
break;
}
}
public async Task HandleAsync(Timecheck timecheck)
{
await DeleteDeploymentAsync(timecheck);
}
private async Task EnsureDeploymentAsync(Timecheck timecheck)
{
var name = timecheck.Metadata.Name;
var deployments = await _kubernetes.ListNamespacedDeploymentAsync(
namespaceParameter : Program.NamespaceName,
fieldSelector : $"metadata.name={name}");
if (!deployments.Items.Any())
{
var deployment = new V1Deployment
{
Metadata = new V1ObjectMeta
{
Name = name,
Labels = new Dictionary <string, string>()
{
{ "kiamol", "ch20" },
}
},
Spec = new V1DeploymentSpec
{
Selector = new V1LabelSelector
{
MatchLabels = new Dictionary <string, string>()
{
{ "app", "timecheck" },
{ "instance", name }
}
},
Template = new V1PodTemplateSpec
{
Metadata = new V1ObjectMeta
{
Labels = new Dictionary <string, string>()
{
{ "app", "timecheck" },
{ "instance", name }
}
},
Spec = new V1PodSpec
{
AutomountServiceAccountToken = false,
Containers = new List <V1Container>
{
new V1Container
{
Name = "tc",
Image = "kiamol/ch07-timecheck",
Env = new List <V1EnvVar>
{
new V1EnvVar
{
Name = "Application__Environment",
Value = timecheck.Spec.Environment
},
new V1EnvVar
{
Name = "Timer__IntervalSeconds",
Value = timecheck.Spec.Interval.ToString()
}
},
VolumeMounts = new List <V1VolumeMount>
{
new V1VolumeMount
{
Name = "logs",
MountPath = "/logs"
}
}
},
new V1Container
{
Name = "logger",
Image = "kiamol/ch03-sleep",
Command = new List <string>
{
"sh", "-c", "tail -f /logs-ro/timecheck.log"
},
VolumeMounts = new List <V1VolumeMount>
{
new V1VolumeMount
{
Name = "logs",
MountPath = "/logs-ro",
ReadOnlyProperty = true
}
}
}
},
Volumes = new List <V1Volume>
{
new V1Volume
{
Name = "logs",
EmptyDir = new V1EmptyDirVolumeSource()
}
}
}
}
}
};
await _kubernetes.CreateNamespacedDeploymentAsync(deployment, Program.NamespaceName);
Console.WriteLine($"** Created Deployment: {name}, in namespace: {Program.NamespaceName}");
}
else
{
Console.WriteLine($"** Deployment exists: {name}, in namespace: {Program.NamespaceName}");
}
}
