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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,6 @@ | ||
| module sigs.k8s.io/karpenter | ||
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| go 1.23.6 | ||
| go 1.24.0 | ||
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| require ( | ||
| github.com/Pallinder/go-randomdata v1.2.0 | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| package fake | ||
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| import ( | ||
| "maps" | ||
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| "github.com/awslabs/operatorpkg/option" | ||
| "github.com/samber/lo" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| "k8s.io/apimachinery/pkg/util/sets" | ||
| "sigs.k8s.io/karpenter/pkg/cloudprovider" | ||
| ) | ||
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| type ReservationManagerProvider struct { | ||
| snapshots map[types.UID]*snapshot | ||
| capacity map[string]int // map[offering name]total capacity | ||
| } | ||
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| type snapshot struct { | ||
| reservations map[string]sets.Set[string] // map[reservation id]set[offering name] | ||
| capacity map[string]int | ||
| } | ||
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| func NewReservationManagerProvider() *ReservationManagerProvider { | ||
| return &ReservationManagerProvider{ | ||
| snapshots: map[types.UID]*snapshot{}, | ||
| capacity: map[string]int{}, | ||
| } | ||
| } | ||
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| // SetCapacity sets the total number of instances available for a given reservationID. This value will be decremented | ||
| // internally each time an instance is launched for the given reservationID. | ||
| func (p *ReservationManagerProvider) SetCapacity(reservationID string, capacity int) { | ||
| p.capacity[reservationID] = capacity | ||
| } | ||
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| // Capacity returns the total number of instances | ||
| func (p *ReservationManagerProvider) Capacity(reservationID string) int { | ||
| return p.capacity[reservationID] | ||
| } | ||
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| // create decrements the availability for the given reservationID by one. | ||
| func (p *ReservationManagerProvider) create(reservationID string) { | ||
| lo.Must0(p.capacity[reservationID] > 0, "created an instance with an offering with no availability") | ||
| p.capacity[reservationID] -= 1 | ||
| if p.capacity[reservationID] == 0 { | ||
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| } | ||
| } | ||
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| // getSnapshot returns an existing snapshot, if one exists for the given UUID, or creates a new one | ||
| func (p *ReservationManagerProvider) getSnapshot(uuid *types.UID) *snapshot { | ||
| if uuid != nil { | ||
| if snapshot, ok := p.snapshots[*uuid]; ok { | ||
| return snapshot | ||
| } | ||
| } | ||
| snapshot := &snapshot{ | ||
| reservations: map[string]sets.Set[string]{}, | ||
| capacity: map[string]int{}, | ||
| } | ||
| maps.Copy(snapshot.capacity, p.capacity) | ||
| if uuid != nil { | ||
| p.snapshots[*uuid] = snapshot | ||
| } | ||
| return snapshot | ||
| } | ||
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| func (p *ReservationManagerProvider) Reset() { | ||
| *p = *NewReservationManagerProvider() | ||
| } | ||
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| func (p *ReservationManagerProvider) ReservationManager(reservationID string, opts ...option.Function[cloudprovider.GetInstanceTypeOptions]) cloudprovider.ReservationManager { | ||
| return snapshotAdapter{ | ||
| snapshot: p.getSnapshot(option.Resolve(opts...).AvailabilitySnapshotUUID), | ||
| reservationID: reservationID, | ||
| } | ||
| } | ||
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| type snapshotAdapter struct { | ||
| *snapshot | ||
| reservationID string | ||
| } | ||
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| func (a snapshotAdapter) Reserve(reservationID string) bool { | ||
| if reservations, ok := a.reservations[reservationID]; ok && reservations.Has(a.reservationID) { | ||
| return true | ||
| } | ||
| if a.capacity[a.reservationID] > 0 { | ||
| reservations, ok := a.reservations[reservationID] | ||
| if !ok { | ||
| reservations = sets.New[string]() | ||
| a.reservations[reservationID] = reservations | ||
| } | ||
| reservations.Insert(a.reservationID) | ||
| a.capacity[a.reservationID] -= 1 | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
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| func (a snapshotAdapter) Release(reservationID string) { | ||
| if reservations, ok := a.reservations[reservationID]; ok && reservations.Has(a.reservationID) { | ||
| reservations.Delete(a.reservationID) | ||
| } | ||
| } |
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