ambient

package
v0.0.0-...-3a6e21b Latest Latest
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 Go to latest Published: Dec 23, 2024 License: Apache-2.0 Imports: 54 Imported by: 0

Documentation

Overview

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func AppendNonNil 

func AppendNonNil[T any](data []T, i *T) []T

func FindPortName 

func FindPortName(pod *v1.Pod, name string) (int32, bool)

func GetPodCondition 

func GetPodCondition(status *v1.PodStatus, conditionType v1.PodConditionType) (int, *v1.PodCondition)

func GetPodConditionFromList 

func GetPodConditionFromList(conditions []v1.PodCondition, conditionType v1.PodConditionType) (int, *v1.PodCondition)

GetPodConditionFromList extracts the provided condition from the given list of condition and returns the index of the condition and the condition. Returns -1 and nil if the condition is not present.

func GetPodReadyCondition 

func GetPodReadyCondition(status v1.PodStatus) *v1.PodCondition

func IsPodReady 

func IsPodReady(pod *v1.Pod) bool

IsPodReady is copied from kubernetes/pkg/api/v1/pod/utils.go

func IsPodReadyConditionTrue 

func IsPodReadyConditionTrue(status v1.PodStatus) bool

IsPodReadyConditionTrue returns true if a pod is ready; false otherwise.

func MakeSource 

func MakeSource(o controllers.Object) model.TypedObject

MakeSource is a helper to turn an Object into a model.TypedObject.

func MeshConfigCollection 

func MeshConfigCollection(configMaps krt.Collection[*v1.ConfigMap], options Options, opts KrtOptions) krt.Singleton[MeshConfig]

func PolicyCollections 

func PolicyCollections(
	authzPolicies krt.Collection[*securityclient.AuthorizationPolicy],
	peerAuths krt.Collection[*securityclient.PeerAuthentication],
	meshConfig krt.Singleton[MeshConfig],
	waypoints krt.Collection[Waypoint],
	opts KrtOptions,
	flags FeatureFlags,
) (krt.Collection[model.WorkloadAuthorization], krt.Collection[model.WorkloadAuthorization])

func PushXds 

func PushXds[T any](xds model.XDSUpdater, f func(T) model.ConfigKey) func(events []krt.Event[T], initialSync bool)

func RegisterEdsShim 

func RegisterEdsShim(
	xdsUpdater model.XDSUpdater,
	Workloads krt.Collection[model.WorkloadInfo],
	WorkloadsByServiceKey krt.Index[string, model.WorkloadInfo],
	Services krt.Collection[model.ServiceInfo],
	ServicesByAddress krt.Index[networkAddress, model.ServiceInfo],
	opts KrtOptions,
)

RegisterEdsShim handles triggering xDS events when Envoy EDS needs to change. Most of ambient index works to build `workloadapi` types - Workload, Service, etc. Envoy uses a different API, with different relationships between types. To ensure Envoy are updated properly on changes, we compute this information. Currently, this is only used to trigger events. Ideally, the information we are using in Envoy and the event trigger are using the same data directly.

func ReportWaypointAttachmentDenied 

func ReportWaypointAttachmentDenied(waypoint string) *model.StatusMessage

func ReportWaypointIsNotReady 

func ReportWaypointIsNotReady(waypoint string) *model.StatusMessage

func ReportWaypointUnsupportedTrafficType 

func ReportWaypointUnsupportedTrafficType(waypoint string, ttype string) *model.StatusMessage

func WaypointPolicyStatusCollection 

func WaypointPolicyStatusCollection(
	authzPolicies krt.Collection[*securityclient.AuthorizationPolicy],
	waypoints krt.Collection[Waypoint],
	services krt.Collection[*corev1.Service],
	serviceEntries krt.Collection[*networkingclient.ServiceEntry],
	namespaces krt.Collection[*corev1.Namespace],
	opts KrtOptions,
) krt.Collection[model.WaypointPolicyStatus]

Types

type FeatureFlags 

type FeatureFlags struct {
	DefaultAllowFromWaypoint              bool
	EnableK8SServiceSelectWorkloadEntries bool
}

type InboundBinding 

type InboundBinding struct {
	Port     uint32
	Protocol workloadapi.ApplicationTunnel_Protocol
}

type Index 

type Index interface {
	Lookup(key string) []model.AddressInfo
	All() []model.AddressInfo
	WorkloadsForWaypoint(key model.WaypointKey) []model.WorkloadInfo
	ServicesForWaypoint(key model.WaypointKey) []model.ServiceInfo
	SyncAll()
	NetworksSynced()
	Run(stop <-chan struct{})
	HasSynced() bool
	model.AmbientIndexes
}

func New 

func New(options Options) Index

type KrtOptions 

type KrtOptions struct {
	// contains filtered or unexported fields
}

KrtOptions is a small wrapper around KRT options to make it easy to provide a common set of options to all collections without excessive duplication.

func (KrtOptions) WithName 

func (k KrtOptions) WithName(n string) []krt.CollectionOption

type LookupNetwork 

type LookupNetwork func(endpointIP string, labels labels.Instance) network.ID

type LookupNetworkGateways 

type LookupNetworkGateways func() []model.NetworkGateway

type MeshConfig 

type MeshConfig struct {
	*meshapi.MeshConfig
}

func (MeshConfig) Equals 

func (m MeshConfig) Equals(other MeshConfig) bool

func (MeshConfig) ResourceName 

func (m MeshConfig) ResourceName() string

type NamespaceHostname 

type NamespaceHostname struct {
	Namespace string
	Hostname  string
}

func (NamespaceHostname) String 

func (n NamespaceHostname) String() string

type Options 

type Options struct {
	Client kubeclient.Client

	Revision              string
	SystemNamespace       string
	DomainSuffix          string
	ClusterID             cluster.ID
	XDSUpdater            model.XDSUpdater
	LookupNetwork         LookupNetwork
	LookupNetworkGateways LookupNetworkGateways
	StatusNotifier        *activenotifier.ActiveNotifier
	Flags                 FeatureFlags

	Debugger *krt.DebugHandler
}

type TargetRef 

type TargetRef struct {
	Kind      string
	Namespace string
	Name      string
	UID       types.UID
}

TargetRef is a subset of the Kubernetes ObjectReference which has some fields we don't care about

func (TargetRef) String 

func (t TargetRef) String() string

type Waypoint 

type Waypoint struct {
	krt.Named

	// Addresses this Waypoint is reachable by. For stock Istio waypoints, this
	// is usually the hostname. There will always be at least one address in this
	// list.
	Address *workloadapi.GatewayAddress

	// DefaultBinding for an inbound zTunnel to use to connect to a Waypoint it captures.
	// This is applied to the Workloads that are instances of the current Waypoint.
	DefaultBinding *InboundBinding

	// TrafficType controls whether Service or Workload can reference this
	// waypoint. Must be one of "all", "service", "workload".
	TrafficType string

	// ServiceAccounts from instances of the waypoint.
	// This only handles Pods. If we wish to support non-pod waypoints, we'll
	// want to index ServiceEntry/WorkloadEntry or possibly allow specifying
	// the ServiceAccounts directly on a Gateway resource.
	ServiceAccounts []string
	AllowedRoutes   WaypointSelector
}

func (Waypoint) AllowsAttachmentFromNamespace 

func (w Waypoint) AllowsAttachmentFromNamespace(namespace *v1.Namespace) bool

func (Waypoint) AllowsAttachmentFromNamespaceOrLookup 

func (w Waypoint) AllowsAttachmentFromNamespaceOrLookup(ctx krt.HandlerContext, Namespaces krt.Collection[*v1.Namespace], namespace string) bool

func (Waypoint) Equals 

func (w Waypoint) Equals(other Waypoint) bool

func (*Waypoint) GetAddress 

func (w *Waypoint) GetAddress() *workloadapi.GatewayAddress

GetAddress is a nil-safe traversal method for Waypoint

func (Waypoint) ResourceName 

func (w Waypoint) ResourceName() string

type WaypointSelector 

type WaypointSelector struct {
	FromNamespaces v1beta1.FromNamespaces
	Selector       labels.Selector
}

func (WaypointSelector) Equals 

func (w WaypointSelector) Equals(other WaypointSelector) bool

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