public DockerHubClient(
ILogger logger,
HttpClient httpClient,
DockerRegistryInfo registry,
IEnumerable <string> repos,
IConfigurationRoot config)
: base(logger, httpClient, (DockerHubRegistryInfo)registry, repos)
{
this.config = config;
}
public IDockerRegistryClient CreateClient(DockerRegistryInfo registry, IEnumerable <string> repos)
{
switch (registry.RegistryType)
{
case RegistryType.DockerHub:
return(new DockerHubClient(this.logger, this.httpClient, registry, repos, this.config));
case RegistryType.AzureContainerRegistry:
return(new AcrClient(this.logger, this.httpClient, registry, repos));
default:
throw new NotSupportedException($"Unknown registry type: {registry.RegistryType}");
}
}
public async Task Run(
[TimerTrigger("0 */1 * * * *")] TimerInfo myTimer,
ExecutionContext context)
{
if (myTimer.IsPastDue)
{
log.LogInformation("Timer is running late!");
}
log.LogInformation("Checking tag changes");
string storageConnectionString = config["AzureWebJobsStorage"];
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(storageConnectionString);
CloudTableClient tableClient = storageAccount.CreateCloudTableClient();
CloudTable digestsTable = tableClient.GetTableReference("digests");
await digestsTable.CreateIfNotExistsAsync();
CloudTable subscriptionsTable = tableClient.GetTableReference("subscriptions");
await subscriptionsTable.CreateIfNotExistsAsync();
var subscriptions = subscriptionsTable.ExecuteQuery(new TableQuery <Subscription>());
var comparer = new DockerRegistryIdentifierComparer();
var subscriptionsByRegistry = subscriptions.GroupBy(sub => sub, comparer);
List <Task> checkTagTasks = new List <Task>();
foreach (var registrySubscriptions in subscriptionsByRegistry)
{
var registryClient = this.dockerRegistryClientFactory.CreateClient(
DockerRegistryInfo.Create(registrySubscriptions.Key),
registrySubscriptions.Select(sub => sub.Repo).ToArray());
foreach (var subscription in registrySubscriptions)
{
checkTagTasks.Add(CheckTagChangeAsync(subscription, registryClient, digestsTable));
}
}
await Task.WhenAll(checkTagTasks);
}
public AcrClient(ILogger logger, HttpClient httpClient, DockerRegistryInfo registryInfo, IEnumerable <string> repos)
: base(logger, httpClient, (AcrInfo)registryInfo, repos)
{
this.logger = logger;
this.httpClient = httpClient;
}