public async Task <ListImageTagsResponse> ListImageTagsAsync(
string name,
ListImageTagsParameters parameters = null,
CancellationToken cancellationToken = default)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentException(
$"'{nameof(name)}' cannot be null or empty",
nameof(name));
}
parameters = parameters ?? new ListImageTagsParameters();
var queryString = new QueryString();
queryString.AddFromObjectWithQueryParameters(parameters);
var response = await this._client.MakeRequestAsync(
cancellationToken,
HttpMethod.Get,
$"v2/{name}/tags/list",
queryString).ConfigureAwait(false);
return(this._client.JsonSerializer.DeserializeObject <ListImageTagsResponse>(
response.Body));
}
public async Task <ListImageTagsResponse> ListImageTagsAsync(string name, ListImageTagsParameters parameters, CancellationToken cancellationToken = new CancellationToken())
{
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
QueryString queryString = new QueryString();
queryString.AddIfNotNull("n", parameters.Number);
var response = await _client.MakeRequestAsync(cancellationToken, HttpMethod.Get, $"v2/{name}/tags/list", queryString).ConfigureAwait(false);
return(_client.JsonSerializer.DeserializeObject <ListImageTagsResponse>(response.Body));
}
public void PerformUpdate()
{
var deployments = kubernetes.ListDeploymentForAllNamespaces();
Console.WriteLine("{0} deployments to be checked.", deployments.Items.Count);
var registries = from deployment in deployments.Items
from container in deployment.Spec.Template.Spec.Containers
let decomposedImage = ImageReference.Parse(container.Image)
where ShouldProcess(deployment, decomposedImage)
let versionMatchString = deployment.Metadata.Annotations
group new { Deployment = deployment, Container = container, Image = decomposedImage, VersionString = deployment.Metadata.Annotations }
by decomposedImage.FullyQualifiedRegistry();
ICollection <ContainerToUpdate> containerUpdates = new List <ContainerToUpdate>();
Console.WriteLine("{0} deployments should be processed.", registries.Count());
foreach (var registry in registries)
{
IRegistryClient registryClient = new RegistryClientConfiguration(registry.Key.Host).CreateClient();
var images = from r in registry
group r
by r.Image;
foreach (var image in images)
{
ListImageTagsParameters tagsParameters = new ListImageTagsParameters
{
Number = 100
};
var result = registryClient.Tags.ListImageTagsAsync(image.Key.ImageName, tagsParameters);
try
{
result.Wait();
} catch (AggregateException e) {
throw new Exception(string.Format("Failed to list image tags for '{0}' at registry '{1}'.", image.Key.ImageName, image.Key.Registry), e.InnerException);
}
foreach (var container in image)
{
var matcher = ExtractMatchString(container.Deployment, container.Container.Name);
var start = matcher.Match(container.Image.Version);
if (!start.Success)
{
continue;
}
var currentVersion = new Version(start.Groups[1].Value);
var upgradeTarget = (from tag in result.Result.Tags
let parsed = matcher.Match(tag)
where parsed.Success
let candidate = new Version(parsed.Groups[1].Value)
where candidate > currentVersion
orderby candidate descending
select tag).FirstOrDefault();
if (upgradeTarget != null)
{
Console.WriteLine("Upgrade deployment {0} container {1} from version {2} to {3}.", container.Deployment.Metadata.Name, container.Container.Name, container.Image.Version, upgradeTarget);
var toVersion = container.Image.WithVersion(upgradeTarget);
container.Container.Image = toVersion.ToString();
containerUpdates.Add(new ContainerToUpdate()
{
ContainerName = container.Container.Name,
FromVersion = container.Image,
ToVersion = toVersion
});
kubernetes.ReplaceNamespacedDeployment(container.Deployment, container.Deployment.Metadata.Name, container.Deployment.Metadata.NamespaceProperty);
}
}
}
}
var mailConfig = EmailConfig.GetFromEnvironment();
if (containerUpdates.Count > 0 && mailConfig.ShouldSend)
{
MailMessage mailMessage = new MailMessage
{
DeliveryNotificationOptions = DeliveryNotificationOptions.Never,
Body = new EmailNotificationBuilder().BuildMessage(containerUpdates),
Subject = string.Format("{0} containers updated", containerUpdates.Count)
};
mailMessage.To.Add(mailConfig.ToAddress);
mailMessage.From = mailConfig.FromAddress;
SmtpClient smtpClient = new SmtpClient(mailConfig.RelayHost, mailConfig.RelayPort);
smtpClient.Send(mailMessage);
}
}
