helper

package
v0.0.0-...-a1c3796 Latest Latest
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 Go to latest Published: Oct 17, 2024 License: Apache-2.0 Imports: 30 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	FailedAddFinalizer        = "FailedAddFinalizer"
	FailedRemoveFinalizer     = "FailedRemoveFinalizer"
	FailedAddHash             = "FailedAddHash"
	FailedRemoveHash          = "FailedRemoveHash"
	FailedUpdateStatus        = "FailedUpdateStatus"
	FailedUpdateReadinessGate = "FailedUpdateReadinessGate"
	UnAvailableBackends       = "UnAvailableLoadBalancer"
	SkipSyncBackends          = "SkipSyncBackends"
	FailedSyncLB              = "SyncLoadBalancerFailed"
	SucceedCleanLB            = "CleanLoadBalancer"
	FailedCleanLB             = "CleanLoadBalancerFailed"
	SucceedSyncLB             = "EnsuredLoadBalancer"
	AnnoChanged               = "AnnotationChanged"
	TypeChanged               = "TypeChanged"
	SpecChanged               = "ServiceSpecChanged"
	DeleteTimestampChanged    = "DeleteTimestampChanged"
	PreservedOnDelete         = "PreservedOnDelete"
)

ServiceEventReason

View Source 
const (
	FailedDeleteNode  = "DeleteNodeFailed"
	FailedAddNode     = "AddNodeFailed"
	FailedSyncNode    = "SyncNodeFailed"
	SucceedDeleteNode = "DeletedNode"
	InitializedNode   = "InitializedNode"
)

NodeEventReason

View Source 
const (
	FailedCreateRoute  = "CreateRouteFailed"
	FailedSyncRoute    = "SyncRouteFailed"
	SucceedCreateRoute = "CreatedRoute"
)

RouteEventReason

View Source 
const (
	// Ingress events
	IngressEventReasonFailedAddFinalizer     = "FailedAddFinalizer"
	IngressEventReasonFailedRemoveFinalizer  = "FailedRemoveFinalizer"
	IngressEventReasonFailedUpdateStatus     = "FailedUpdateStatus"
	IngressEventReasonFailedBuildModel       = "FailedBuildModel"
	IngressEventReasonFailedApplyModel       = "FailedApplyModel"
	IngressEventReasonSuccessfullyReconciled = "SuccessfullyReconciled"
)
View Source 
const (
	PatchAll    = "all"
	PatchSpec   = "spec"
	PatchStatus = "status"
)
View Source 
const (
	LabelNodeRoleMaster = "node-role.kubernetes.io/master"
	LabelNodeTypeVK     = "virtual-kubelet"
	// LabelNodeExcludeBalancer specifies that the node should be
	// exclude from loadbalancers created by a cloud provider.
	LabelNodeExcludeBalancerDeprecated = "alpha.service-controller.kubernetes.io/exclude-balancer"
	LabelNodeExcludeBalancer           = v1.LabelNodeExcludeBalancers
	// ToBeDeletedTaint is a taint used by the CLuster Autoscaler before marking a node for deletion.
	// Details in https://github.com/kubernetes/cloud-provider/blob/5bb9b27442bcb2613a9ca4046c89109de4435824/controllers/service/controller.go#L58
	ToBeDeletedTaint = "ToBeDeletedByClusterAutoscaler"

	// LabelNodeExcludeNodeDeprecated specifies that the node should be exclude from CCM
	LabelNodeExcludeNodeDeprecated = "service.beta.kubernetes.io/exclude-node"
	LabelNodeExcludeNode           = "service.alibabacloud.com/exclude-node"
)
View Source 
const (
	TargetHealthPodConditionALBTypePrefix     = "target-health.alb.k8s.alicloud"
	TargetHealthPodConditionServiceTypePrefix = "service.readiness.alibabacloud.com"
)

Prefix for TargetHealth pod condition type.

View Source 
const (
	ConditionReasonServerRegistered  = "ServerRegistered"
	ConditionMessageServerRegistered = "The backend has been added to the server group"
)
View Source 
const (
	ServiceFinalizer = "service.k8s.alibaba/resources"
	NLBFinalizer     = "service.k8s.alibaba/nlb"
)

Finalizer

View Source 
const (
	BackendType       = "service.beta.kubernetes.io/backend-type"
	LoadBalancerClass = "service.beta.kubernetes.io/class"
	LoadBalancerType  = "service.beta.kubernetes.io/alibaba-cloud-loadbalancer-type"
)

annotation

View Source 
const (
	LabelServiceHash    = "service.beta.kubernetes.io/hash"
	LabelLoadBalancerId = "service.k8s.alibaba/loadbalancer-id"
)

label

View Source 
const (
	TAGKEY   = "kubernetes.do.not.delete"
	REUSEKEY = "kubernetes.reused.by.user"
)
View Source 
const (
	// LocalTrafficPolicy externalTrafficPolicy=Local
	LocalTrafficPolicy = TrafficPolicy("Local")
	// ClusterTrafficPolicy externalTrafficPolicy=Cluster
	ClusterTrafficPolicy = TrafficPolicy("Cluster")
	// ENITrafficPolicy is forwarded to pod directly
	ENITrafficPolicy = TrafficPolicy("ENI")
)
View Source 
const NLBClass = "alibabacloud.com/nlb"

load balancer class

View Source 
const TRY_AGAIN = "try again"

Variables

This section is empty.

Functions

func BuildReadinessGatePodConditionType 

func BuildReadinessGatePodConditionType(cond string) corev1.PodConditionType

BuildTargetHealthPodConditionType constructs the condition type for TargetHealth pod condition.

func BuildReadinessGatePodConditionTypeWithPrefix 

func BuildReadinessGatePodConditionTypeWithPrefix(prefix, id string) corev1.PodConditionType

func FindCondition 

func FindCondition(conds []v1.NodeCondition, conditionType v1.NodeConditionType) (*v1.NodeCondition, bool)

func FindNodeByNodeName 

func FindNodeByNodeName(nodes []v1.Node, nodeName string) *v1.Node

func GetLogMessage 

func GetLogMessage(err error) string

func GetNodeCondition 

func GetNodeCondition(node *v1.Node, conditionType v1.NodeConditionType) *v1.NodeCondition

GetNodeCondition will get pointer to Node's existing condition. returns nil if no matching condition found.

func GetNodeInternalIP 

func GetNodeInternalIP(node *v1.Node) (string, error)

func GetPodCondition 

func GetPodCondition(pod *corev1.Pod, conditionType corev1.PodConditionType) *corev1.PodCondition

GetPodCondition will get pointer to Pod's existing condition. returns nil if no matching condition found.

func GetServiceHash 

func GetServiceHash(svc *v1.Service) string

func HasExcludeLabel 

func HasExcludeLabel(node *v1.Node) bool

func HasFinalizer 

func HasFinalizer(obj metav1.Object, finalizer string) bool

HasFinalizer tests whether k8s object has specified finalizer

func Is4LayerProtocol 

func Is4LayerProtocol(protocol string) bool

func Is7LayerProtocol 

func Is7LayerProtocol(protocol string) bool

func IsClusterIPService 

func IsClusterIPService(svc *v1.Service) bool

func IsENIBackendType 

func IsENIBackendType(svc *v1.Service) bool

func IsIPv4 

func IsIPv4(address string) bool

func IsIPv6 

func IsIPv6(address string) bool

func IsLocalModeService 

func IsLocalModeService(svc *v1.Service) bool

func IsMasterNode 

func IsMasterNode(node *v1.Node) bool

func IsNodeExcludeFromLoadBalancer 

func IsNodeExcludeFromLoadBalancer(node *v1.Node) bool

func IsPodContainersReady 

func IsPodContainersReady(pod *corev1.Pod) bool

IsPodContainersReady returns whether pod is containersReady.

func IsPodHasReadinessGate 

func IsPodHasReadinessGate(pod *corev1.Pod, cond string) bool

func IsServiceHashChanged 

func IsServiceHashChanged(service *v1.Service) bool

func IsServiceOwnIngress 

func IsServiceOwnIngress(service *v1.Service) bool

check if the service exists in service definition

func LogEndpointSlice 

func LogEndpointSlice(es *discovery.EndpointSlice) string

func LogEndpointSliceList 

func LogEndpointSliceList(esList []discovery.EndpointSlice) string

func LogEndpoints 

func LogEndpoints(eps *v1.Endpoints) string

func NeedCLB 

func NeedCLB(service *v1.Service) bool

func NeedDeleteLoadBalancer 

func NeedDeleteLoadBalancer(svc *v1.Service) bool

func NeedNLB 

func NeedNLB(service *v1.Service) bool

func NewDefaultFinalizerManager 

func NewDefaultFinalizerManager(kclient client.Client) *defaultFinalizerManager

func NewDefaultReferenceIndexer 

func NewDefaultReferenceIndexer() *defaultReferenceIndexer

func NodeFromProviderID 

func NodeFromProviderID(providerID string) (string, string, error)

providerID 1) the id of the instance in the alicloud API. Use '.' to separate providerID which looks like 'cn-hangzhou.i-v98dklsmnxkkgiiil7'. The format of "REGION.NODEID" 2) the id for an instance in the kubernetes API, which has 'alicloud://' prefix. e.g. alicloud://cn-hangzhou.i-v98dklsmnxkkgiiil7

func NodeInfo 

func NodeInfo(node *v1.Node) string

func PatchM 

func PatchM(mclient client.Client, target client.Object, getter func(runtime.Object) (client.Object, error), resource string,
) error

func PatchNodeStatus 

func PatchNodeStatus(mclient client.Client, target *v1.Node, getter func(*v1.Node) (*v1.Node, error)) error

func Retry 

func Retry(
	backoff *wait.Backoff,
	fun func(svc *v1.Service) error,
	svc *v1.Service,
) error

func UpdatePodCondition 

func UpdatePodCondition(pod *corev1.Pod, condition corev1.PodCondition)

UpdatePodCondition will update Pod to contain specified condition.

func UpdateReadinessConditionForPod 

func UpdateReadinessConditionForPod(ctx context.Context, kubeClient client.Client, pod *corev1.Pod, cond corev1.PodConditionType, reason, message string) error

Types

type APIObject 

type APIObject interface {
	metav1.Object
	runtime.Object
}

type Element 

type Element struct {
	Key         interface{}
	Event       Event
	IsSkippable bool
}

Element represents one item of the queue

func (Element) String 

func (n Element) String() string

String returns the general purpose string representation

type Event 

type Event struct {
	Type EventType
	Obj  interface{}
}

Event holds the context of an event.

type EventType 

type EventType string

EventType type of event associated with an informer 

const (
	// CreateEvent event associated with new objects in an informer
	CreateEvent EventType = "CREATE"
	// UpdateEvent event associated with an object update in an informer
	UpdateEvent EventType = "UPDATE"
	// DeleteEvent event associated when an object is removed from an informer
	IngressDeleteEvent EventType = "DELETE"
	// ConfigurationEvent event associated when a controller configuration object is created or updated
	ConfigurationEvent EventType = "CONFIGURATION"

	// NodeEvent event associated when a controller configuration object is created or updated
	NodeEvent EventType = "NODE"

	// ServiceEvent event associated when a controller configuration object is created or updated
	ServiceEvent EventType = "SERVICE"

	// EndPointEvent event associated when a controller configuration object is created or updated
	EndPointEvent EventType = "ENDPOINT"

	// IngressEvent event associated when a controller configuration object is created or updated
	IngressEvent EventType = "Ingress"
)

type FinalizerManager 

type FinalizerManager interface {
	AddFinalizers(ctx context.Context, obj APIObject, finalizers ...string) error
	RemoveFinalizers(ctx context.Context, obj APIObject, finalizers ...string) error
}

type Queue 

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

Queue manages a time work queue through an independent worker that invokes the given sync function for every work item inserted. The queue uses an internal timestamp that allows the removal of certain elements which timestamp is older than the last successful get operation.

func NewCustomTaskQueue 

func NewCustomTaskQueue(syncFn func(interface{}) error, fn func(interface{}) (interface{}, error)) *Queue

NewCustomTaskQueue ...

func NewTaskQueue 

func NewTaskQueue(syncFn func(interface{}) error) *Queue

NewTaskQueue creates a new task queue with the given sync function. The sync function is called for every element inserted into the queue.

func (*Queue) EnqueueSkippableTask 

func (t *Queue) EnqueueSkippableTask(obj interface{})

EnqueueSkippableTask enqueues ns/name of the given api object in the task queue that can be skipped

func (*Queue) EnqueueTask 

func (t *Queue) EnqueueTask(obj interface{})

EnqueueTask enqueues ns/name of the given api object in the task queue.

func (*Queue) IsShuttingDown 

func (t *Queue) IsShuttingDown() bool

IsShuttingDown returns if the method Shutdown was invoked

func (*Queue) Run 

func (t *Queue) Run(maxConcurrentReconciles int, period time.Duration, stopCh <-chan struct{})

Run starts processing elements in the queue

func (*Queue) Shutdown 

func (t *Queue) Shutdown()

Shutdown shuts down the work queue and waits for the worker to ACK

type ReferenceIndexer 

type ReferenceIndexer interface {
	BuildServiceRefIndexes(ctx context.Context, ing *networking.Ingress) []string
}

type TrafficPolicy 

type TrafficPolicy string

func GetServiceTrafficPolicy 

func GetServiceTrafficPolicy(svc *v1.Service) (TrafficPolicy, error)

Source Files

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