cache

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Published: Apr 23, 2024 License: Apache-2.0, Apache-2.0 Imports: 7 Imported by: 0

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Constants

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const (
	// KubernetesVersionTTL is the time before the detected Kubernetes version is removed from cache,
	// to be re-detected 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

	// 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
)

Variables

This section is empty.

Functions

This section is empty.

Types

type UnavailableOfferings

type UnavailableOfferings struct {
	SeqNum uint64
	// contains filtered or unexported fields
}

UnavailableOfferings stores any offerings that return ICE (insufficient capacity errors) when attempting to launch the capacity. These offerings are ignored as long as they are in the cache on GetInstanceTypes responses

func NewUnavailableOfferings

func NewUnavailableOfferings() *UnavailableOfferings

func NewUnavailableOfferingsWithCache

func NewUnavailableOfferingsWithCache(c *cache.Cache) *UnavailableOfferings

func (*UnavailableOfferings) Flush

func (u *UnavailableOfferings) Flush()

func (*UnavailableOfferings) IsUnavailable

func (u *UnavailableOfferings) IsUnavailable(instanceType, zone, capacityType string) bool

IsUnavailable returns true if the offering appears in the cache

func (*UnavailableOfferings) MarkSpotUnavailableWithTTL

func (u *UnavailableOfferings) MarkSpotUnavailableWithTTL(ctx context.Context, ttl time.Duration)

MarkSpotUnavailable communicates recently observed temporary capacity shortages for spot

func (*UnavailableOfferings) MarkUnavailable

func (u *UnavailableOfferings) MarkUnavailable(ctx context.Context, unavailableReason, instanceType, zone, capacityType string)

MarkUnavailable communicates recently observed temporary capacity shortages in the provided offerings

func (*UnavailableOfferings) MarkUnavailableWithTTL

func (u *UnavailableOfferings) MarkUnavailableWithTTL(ctx context.Context, unavailableReason, instanceType, zone, capacityType string, ttl time.Duration)

MarkUnavailableWithTTL allows us to mark an offering unavailable with a custom TTL

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