oam

Documentation

Overview

Package oam contains miscellaneous OAM helper types.

Index

• Constants
• Variables
• func GetCluster(o client.Object) string
• func SetCluster(o client.Object, clusterName string)
• type Conditioned
• type Finalizer
• type Object
• type Scope
• type ScopeKind
• type Trait
• type TraitKind
• type Workload
• type WorkloadKind
• type WorkloadReferencer
• type WorkloadsReferencer

Constants

const (
	// LabelAppName records the name of AppConfig
	LabelAppName = "app.oam.dev/name"
	// LabelAppRevision records the name of Application, it's equal to name of AppConfig created by Application
	LabelAppRevision = "app.oam.dev/appRevision"
	// LabelAppDeployment records the name of AppDeployment.
	LabelAppDeployment = "app.oam.dev/appDeployment"
	// LabelAppComponent records the name of Component
	LabelAppComponent = "app.oam.dev/component"
	// LabelAppComponentRevision records the revision name of Component
	LabelAppComponentRevision = "app.oam.dev/revision"
	// LabelOAMResourceType whether a CR is workload or trait
	LabelOAMResourceType = "app.oam.dev/resourceType"
	// LabelAppRevisionHash records the Hash value of the application revision
	LabelAppRevisionHash = "app.oam.dev/app-revision-hash"
	// LabelAppNamespace records the namespace of Application
	LabelAppNamespace = "app.oam.dev/namespace"
	// LabelAppCluster records the cluster of Application
	LabelAppCluster = "app.oam.dev/cluster"
	// LabelAppUID records the uid of Application
	LabelAppUID = "app.oam.dev/uid"

	// WorkloadTypeLabel indicates the type of the workloadDefinition
	WorkloadTypeLabel = "workload.oam.dev/type"
	// TraitTypeLabel indicates the type of the traitDefinition
	TraitTypeLabel = "trait.oam.dev/type"
	// TraitResource indicates which resource it is when a trait is composed by multiple resources in KubeVela
	TraitResource = "trait.oam.dev/resource"

	// LabelComponentDefinitionName records the name of ComponentDefinition
	LabelComponentDefinitionName = "componentdefinition.oam.dev/name"
	// LabelTraitDefinitionName records the name of TraitDefinition
	LabelTraitDefinitionName = "trait.oam.dev/name"
	// LabelManageWorkloadTrait indicates if the trait will manage the lifecycle of the workload
	LabelManageWorkloadTrait = "trait.oam.dev/manage-workload"
	// LabelPolicyDefinitionName records the name of PolicyDefinition
	LabelPolicyDefinitionName = "policydefinition.oam.dev/name"
	// LabelWorkflowStepDefinitionName records the name of WorkflowStepDefinition
	LabelWorkflowStepDefinitionName = "workflowstepdefinition.oam.dev/name"

	// LabelControllerRevisionComponent indicate which component the revision belong to
	LabelControllerRevisionComponent = "controller.oam.dev/component"
	// LabelComponentRevisionHash records the hash value of a component
	LabelComponentRevisionHash = "app.oam.dev/component-revision-hash"

	// LabelAddonsName records the name of initializer stored in configMap
	LabelAddonsName = "addons.oam.dev/type"

	// LabelAddonName indicates the name of the corresponding Addon
	LabelAddonName = "addons.oam.dev/name"

	// LabelAddonRegistry indicates the name of addon-registry
	LabelAddonRegistry = "addons.oam.dev/registry"

	// LabelAppEnv records the name of Env
	LabelAppEnv = "envbinding.oam.dev/env"

	// LabelNamespaceOfEnvName records the env name of namespace
	LabelNamespaceOfEnvName = "namespace.oam.dev/env"

	// LabelNamespaceOfTargetName records the target name of namespace
	LabelNamespaceOfTargetName = "namespace.oam.dev/target"

	// LabelControlPlaneNamespaceUsage mark the usage of the namespace in control plane cluster.
	LabelControlPlaneNamespaceUsage = "usage.oam.dev/control-plane"

	// LabelRuntimeNamespaceUsage mark the usage of the namespace in runtime cluster.
	// A control plane cluster can also be used as runtime cluster
	LabelRuntimeNamespaceUsage = "usage.oam.dev/runtime"
)

Label key strings. AppConfig controller will add these labels into workloads.

const (
	// VelaNamespaceUsageEnv mark the usage of the namespace is used by env.
	VelaNamespaceUsageEnv = "env"
	// VelaNamespaceUsageTarget mark the usage of the namespace is used as delivery target.
	VelaNamespaceUsageTarget = "target"
)

const (
	// ResourceTypeTrait mark this K8s Custom Resource is an OAM trait
	ResourceTypeTrait = "TRAIT"
	// ResourceTypeWorkload mark this K8s Custom Resource is an OAM workload
	ResourceTypeWorkload = "WORKLOAD"
)

const (
	// AnnotationAppGeneration records the generation of AppConfig
	AnnotationAppGeneration = "app.oam.dev/generation"

	// AnnotationLastAppliedConfig records the previous configuration of a
	// resource for use in a three way diff during a patching apply
	AnnotationLastAppliedConfig = "app.oam.dev/last-applied-configuration"

	// AnnotationAppRollout indicates that the application is still rolling out
	// the application controller should treat it differently
	AnnotationAppRollout = "app.oam.dev/rollout-template"

	// AnnotationInplaceUpgrade indicates the workload should upgrade with the the same name
	// the name of the workload instance should not changing along with the revision
	AnnotationInplaceUpgrade = "app.oam.dev/inplace-upgrade"

	// AnnotationRollingComponent indicates that the component is rolling out
	// this is to enable any concerned controllers to handle the first component apply logic differently
	// the value of the annotation is a list of component name of all the new component
	AnnotationRollingComponent = "app.oam.dev/rolling-components"

	// AnnotationAppRevision indicates that the object is an application revision
	//	its controller should not try to reconcile it
	AnnotationAppRevision = "app.oam.dev/app-revision"

	// AnnotationAppRevisionOnly the Application update should only generate revision,
	// not any appContexts or components.
	AnnotationAppRevisionOnly = "app.oam.dev/revision-only"

	// AnnotationWorkflowContext is used to pass in the workflow context marshalled in json format.
	AnnotationWorkflowContext = "app.oam.dev/workflow-context"

	// AnnotationKubeVelaVersion is used to record current KubeVela version
	AnnotationKubeVelaVersion = "oam.dev/kubevela-version"

	// AnnotationFilterAnnotationKeys is used to filter annotations passed to workload and trait, split by comma
	AnnotationFilterAnnotationKeys = "filter.oam.dev/annotation-keys"

	// AnnotationFilterLabelKeys is used to filter labels passed to workload and trait, split by comma
	AnnotationFilterLabelKeys = "filter.oam.dev/label-keys"

	// AnnotationSkipGC is used to tell application to skip gc workload/trait
	AnnotationSkipGC = "app.oam.dev/skipGC"

	// AnnotationDefinitionRevisionName is used to specify the name of DefinitionRevision in component/trait definition
	AnnotationDefinitionRevisionName = "definitionrevision.oam.dev/name"

	// AnnotationResourceTrackerLifeLong is used to identify life-long resourcetracker which should only be recycled when application is deleted
	AnnotationResourceTrackerLifeLong = "resourcetracker.oam.dev/life-long"

	// AnnotationAddonsName records the name of initializer stored in configMap
	AnnotationAddonsName = "addons.oam.dev/name"

	// AnnotationLastAppliedConfiguration is kubectl annotations for 3-way merge
	AnnotationLastAppliedConfiguration = "kubectl.kubernetes.io/last-applied-configuration"

	// AnnotationDeployVersion know the version number of the deployment.
	AnnotationDeployVersion = "app.oam.dev/deployVersion"

	// AnnotationPublishVersion is annotation that record the application workflow version.
	AnnotationPublishVersion = "app.oam.dev/publishVersion"

	// AnnotationAutoUpdate is annotation that let application auto update when it finds definition changes
	AnnotationAutoUpdate = "app.oam.dev/autoUpdate"

	// AnnotationWorkflowName specifies the workflow name for execution.
	AnnotationWorkflowName = "app.oam.dev/workflowName"

	// AnnotationAppName specifies the name for application in db.
	AnnotationAppName = "app.oam.dev/appName"

	// AnnotationAppAlias specifies the alias for application in db.
	AnnotationAppAlias = "app.oam.dev/appAlias"

	// AnnotationWorkloadGVK indicates the managed workload's GVK by trait
	AnnotationWorkloadGVK = "trait.oam.dev/workload-gvk"

	// AnnotationWorkloadName indicates the managed workload's name by trait
	AnnotationWorkloadName = "trait.oam.dev/workload-name"

	// AnnotationControllerRequirement indicates the controller version that can process the application.
	AnnotationControllerRequirement = "app.oam.dev/controller-version-require"
)

Variables

var (
	SystemDefinitonNamespace string = "vela-system"
)

SystemDefinitonNamespace golbal value for controller and webhook systemlevel namespace

Functions

func GetCluster

func GetCluster(o client.Object) string

GetCluster get cluster from object

func SetCluster

func SetCluster(o client.Object, clusterName string)

SetCluster add cluster label to object

Types

type Conditioned

type Conditioned interface {
	SetConditions(c ...condition.Condition)
	GetCondition(condition.ConditionType) condition.Condition
}

A Conditioned may have conditions set or retrieved. Conditions are typically indicate the status of both a resource and its reconciliation process.

type Finalizer

type Finalizer interface {
	AddFinalizer(ctx context.Context, obj Object) error
	RemoveFinalizer(ctx context.Context, obj Object) error
}

A Finalizer manages the finalizers on the resource.

type Object

type Object interface {
	metav1.Object
	runtime.Object
}

An Object is a Kubernetes object.

type Scope

type Scope interface {
	Object

	Conditioned
	WorkloadsReferencer
}

A Scope is a type of OAM scope.

type ScopeKind

type ScopeKind schema.GroupVersionKind

ScopeKind contains the type metadata for a kind of an OAM scope resource.

type Trait

type Trait interface {
	Object

	Conditioned
	WorkloadReferencer
}

A Trait is a type of OAM trait.

type TraitKind

type TraitKind schema.GroupVersionKind

TraitKind contains the type metadata for a kind of an OAM trait resource.

type Workload

type Workload interface {
	Object

	Conditioned
}

A Workload is a type of OAM workload.

type WorkloadKind

type WorkloadKind schema.GroupVersionKind

WorkloadKind contains the type metadata for a kind of an OAM workload resource.

type WorkloadReferencer

type WorkloadReferencer interface {
	GetWorkloadReference() corev1.ObjectReference
	SetWorkloadReference(corev1.ObjectReference)
}

A WorkloadReferencer may reference an OAM workload.

type WorkloadsReferencer

type WorkloadsReferencer interface {
	GetWorkloadReferences() []corev1.ObjectReference
	AddWorkloadReference(corev1.ObjectReference)
}

A WorkloadsReferencer may reference an OAM workload.