cache

const (
	// DefaultTTL restricts to Ali APIs to this interval for verifying setup
	// resources. This value represents the maximum eventual consistency between
	// Ali actual state and the controller's ability to provision those
	// resources. Cache hits enable faster provisioning and reduced API load on
	// Ali APIs, which can have a serious impact on performance and scalability.
	// DO NOT CHANGE THIS VALUE WITHOUT DUE CONSIDERATION
	DefaultTTL = time.Minute
	// KubernetesVersionTTL is the time before the detected Kubernetes version is removed from cache,
	// to be re-detected the next time it is needed.
	KubernetesVersionTTL = 15 * time.Minute
	// UnavailableOfferingsTTL is the time before offerings that were marked as unavailable
	// are removed from the cache and are available for launch again
	UnavailableOfferingsTTL = 3 * time.Minute
	// AvailableIPAddressTTL is time to drop AvailableIPAddress data if it is not updated within the TTL
	AvailableIPAddressTTL = 5 * time.Minute
	// InstanceTypeAvailableDiskTTL is the time refresh InstanceType compatible disk
	InstanceTypeAvailableDiskTTL = 30 * time.Minute
	// ClusterAttachScriptTTL is the time refresh for the cluster attach script
	ClusterAttachScriptTTL = 6 * time.Hour

	// DefaultCleanupInterval triggers cache cleanup (lazy eviction) at this interval.
	DefaultCleanupInterval = 1 * time.Minute
	// UnavailableOfferingsCleanupInterval triggers cache cleanup (lazy eviction) at this interval.
	// We drop the cleanup interval down for the ICE cache to get quicker reactivity to offerings
	// that become available after they get evicted from the cache
	UnavailableOfferingsCleanupInterval = time.Second * 10

	// InstanceTypesAndZonesTTL is the time before we refresh instance types and zones at ECS
	InstanceTypesAndZonesTTL = 5 * time.Minute
)