/// <summary>
/// Deletes 10 oldest instances if the number of instances is more than 14.
/// This is to clean up the stale instances in case of instance cleanup code may not get triggered.
/// </summary>
private async Task DeleteStaleInstancesAsync()
{
InstanceAdminClient instanceAdminClient = InstanceAdminClient.Create();
var listInstancesRequest = new ListInstancesRequest
{
Filter = "name:my-instance-processing-units- OR name:my-instance-multi-region-",
ParentAsProjectName = ProjectName.FromProject(ProjectId)
};
var instances = instanceAdminClient.ListInstances(listInstancesRequest);
if (instances.Count() < 15)
{
return;
}
var instancesToDelete = instances
.OrderBy(db => long.TryParse(
db.InstanceName.InstanceId.Replace("my-instance-processing-units-", "")
.Replace("my-instance-multi-region-", ""),
out long creationDate) ? creationDate : long.MaxValue)
.Take(10);
// Delete the instances.
foreach (var instance in instancesToDelete)
{
try
{
await instanceAdminClient.DeleteInstanceAsync(instance.InstanceName);
}
catch (Exception) { }
}
}
/// <summary>
/// Deletes 10 oldest instances if the number of instances is more than 14.
/// This is to clean up the stale instances in case of instance cleanup code may not get triggered.
/// </summary>
private async Task DeleteStaleInstancesAsync()
{
InstanceAdminClient instanceAdminClient = InstanceAdminClient.Create();
var listInstancesRequest = new ListInstancesRequest
{
Filter = "name:my-instance-processing-units- OR name:my-instance-multi-region-",
ParentAsProjectName = ProjectName.FromProject(ProjectId)
};
var instances = instanceAdminClient.ListInstances(listInstancesRequest);
if (instances.Count() < 15)
{
return;
}
long fiveHoursAgo = DateTimeOffset.UtcNow.AddHours(-5).ToUnixTimeMilliseconds();
var instancesToDelete = instances
.Select(db => (db, CreationUnixTimeMilliseconds(db)))
.Where(pair => pair.Item2 < fiveHoursAgo)
.Select(pair => pair.db);
// Delete the instances.
foreach (var instance in instancesToDelete)
{
try
{
await instanceAdminClient.DeleteInstanceAsync(instance.InstanceName);
}
catch (Exception) { }
}
/// <summary>Snippet for DeleteInstanceAsync</summary>
public async Task DeleteInstanceAsync()
{
// Snippet: DeleteInstanceAsync(InstanceName,CallSettings)
// Additional: DeleteInstanceAsync(InstanceName,CancellationToken)
// Create client
InstanceAdminClient instanceAdminClient = await InstanceAdminClient.CreateAsync();
// Initialize request argument(s)
InstanceName name = new InstanceName("[PROJECT]", "[INSTANCE]");
// Make the request
await instanceAdminClient.DeleteInstanceAsync(name);
// End snippet
}
public async Task DeleteInstanceAsync_RequestObject()
{
// Snippet: DeleteInstanceAsync(DeleteInstanceRequest,CallSettings)
// Create client
InstanceAdminClient instanceAdminClient = await InstanceAdminClient.CreateAsync();
// Initialize request argument(s)
DeleteInstanceRequest request = new DeleteInstanceRequest
{
InstanceName = new InstanceName("[PROJECT]", "[INSTANCE]"),
};
// Make the request
await instanceAdminClient.DeleteInstanceAsync(request);
// End snippet
}
