public async Task StartAsync(CancellationToken cancellationToken)
{
_logger.LogInformation(@"Startup Leader Elector for operator ""{operatorName}"".", _settings.Name);
_leaseCheck?.Dispose();
_leaseCheck = new Timer(
TimeSpan.FromSeconds(_settings.LeaderElectionCheckInterval).TotalMilliseconds)
{
AutoReset = true,
};
_logger.LogTrace("Fetching namespace for leader election.");
_namespace = await _client.GetCurrentNamespace();
_operatorDeployment = (await _client.List <V1Deployment>(
_namespace,
new EqualsSelector("operator-deployment", _settings.Name))).FirstOrDefault();
if (_operatorDeployment != null)
{
_operatorDeployment.Kind = V1Deployment.KubeKind;
_operatorDeployment.ApiVersion = $"{V1Deployment.KubeGroup}/{V1Deployment.KubeApiVersion}";
}
#if DEBUG
_election.LeadershipChanged(LeaderState.Leader);
#else
_leaseCheck.Start();
_leaseCheck.Elapsed += async(_, __) => await CheckLeaderLease();
await CheckLeaderLease();
#endif
}
public async Task <int> OnExecuteAsync(CommandLineApplication app)
{
var @namespace = await _client.GetCurrentNamespace();
using var certManager = new CertificateGenerator(app.Out);
#if DEBUG
CertificatesPath = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
CaCertificatesPath = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
await certManager.CreateCaCertificateAsync(CaCertificatesPath);
#endif
Directory.CreateDirectory(CertificatesPath);
File.Copy(Path.Join(CaCertificatesPath, "ca.pem"), Path.Join(Path.Join(CertificatesPath, "ca.pem")));
await certManager.CreateServerCertificateAsync(
CertificatesPath,
_settings.Name,
@namespace,
Path.Join(CaCertificatesPath, "ca.pem"),
Path.Join(CaCertificatesPath, "ca-key.pem"));
var deployment = (await _client.List <V1Deployment>(
@namespace,
new EqualsSelector("operator-deployment", _settings.Name))).FirstOrDefault();
if (deployment != null)
{
deployment.Kind = V1Deployment.KubeKind;
deployment.ApiVersion = $"{V1Deployment.KubeGroup}/{V1Deployment.KubeApiVersion}";
}
await app.Out.WriteLineAsync("Create service.");
await _client.Delete <V1Service>(_settings.Name, @namespace);
await _client.Create(
new V1Service(
V1Service.KubeApiVersion,
V1Service.KubeKind,
new V1ObjectMeta(
name: _settings.Name,
namespaceProperty: @namespace,
ownerReferences: deployment != null
? new List <V1OwnerReference>
{
deployment.MakeOwnerReference(),
}
: null,
labels: new Dictionary <string, string>
{
{ "operator", _settings.Name },
{ "usage", "webhook-service" },
}),
new V1ServiceSpec
{
Ports = new List <V1ServicePort>
{
new()
{
Name = "https",
TargetPort = "https",
Port = 443,
},
},
