inventory

package
v0.36.0-flux.5 Latest Latest
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 Go to latest Published: Apr 4, 2024 License: Apache-2.0 Imports: 32 Imported by: 0

Documentation

Index

Constants

View Source 
const OwningInventoryKey = "config.k8s.io/owning-inventory"

OwningInventoryKey is the annotation key indicating the inventory owning an object.

Variables

View Source 
var ConfigMapGVK = schema.GroupVersionKind{
	Group:   "",
	Kind:    "ConfigMap",
	Version: "v1",
}

Functions

func AddInventoryIDAnnotation 

func AddInventoryIDAnnotation(obj *unstructured.Unstructured, inv Info)

func CanApply 

func CanApply(inv Info, obj *unstructured.Unstructured, policy Policy) (bool, error)

func CanPrune 

func CanPrune(inv Info, obj *unstructured.Unstructured, policy Policy) (bool, error)

func FindInventoryObj 

func FindInventoryObj(objs object.UnstructuredSet) *unstructured.Unstructured

FindInventoryObj returns the "Inventory" object (ConfigMap with inventory label) if it exists, or nil if it does not exist.

func InvInfoToConfigMap 

func InvInfoToConfigMap(inv Info) *unstructured.Unstructured

func IsInventoryObject 

func IsInventoryObject(obj *unstructured.Unstructured) bool

IsInventoryObject returns true if the passed object has the inventory label.

func ObjMetadataFromObjectReference 

func ObjMetadataFromObjectReference(ref actuation.ObjectReference) object.ObjMetadata

ObjMetadataFromObjectReference converts an ObjectReference to a ObjMetadata

func ObjectReferenceFromObjMetadata 

func ObjectReferenceFromObjMetadata(id object.ObjMetadata) actuation.ObjectReference

ObjectReferenceFromObjMetadata converts an ObjMetadata to a ObjectReference

func SplitUnstructureds 

func SplitUnstructureds(objs object.UnstructuredSet) (*unstructured.Unstructured, object.UnstructuredSet, error)

splitUnstructureds takes a set of unstructured.Unstructured objects and splits it into one set that contains the inventory object templates and another one that contains the remaining resources. Returns an error if there there is no inventory object or more than one inventory objects.

func ValidateNoInventory 

func ValidateNoInventory(objs object.UnstructuredSet) error

ValidateNoInventory takes a set of unstructured.Unstructured objects and validates that no inventory object is in the input slice.

Types

type Client 

type Client interface {
	// GetClusterObjs returns the set of previously applied objects as ObjMetadata,
	// or an error if one occurred. This set of previously applied object references
	// is stored in the inventory objects living in the cluster.
	GetClusterObjs(inv Info) (object.ObjMetadataSet, error)
	// Merge applies the union of the passed objects with the currently
	// stored objects in the inventory object. Returns the set of
	// objects which are not in the passed objects (objects to be pruned).
	// Otherwise, returns an error if one happened.
	Merge(inv Info, objs object.ObjMetadataSet, dryRun common.DryRunStrategy) (object.ObjMetadataSet, error)
	// Replace replaces the set of objects stored in the inventory
	// object with the passed set of objects, or an error if one occurs.
	Replace(inv Info, objs object.ObjMetadataSet, status []actuation.ObjectStatus, dryRun common.DryRunStrategy) error
	// DeleteInventoryObj deletes the passed inventory object from the APIServer.
	DeleteInventoryObj(inv Info, dryRun common.DryRunStrategy) error
	// ApplyInventoryNamespace applies the Namespace that the inventory object should be in.
	ApplyInventoryNamespace(invNamespace *unstructured.Unstructured, dryRun common.DryRunStrategy) error
	// GetClusterInventoryInfo returns the cluster inventory object.
	GetClusterInventoryInfo(inv Info) (*unstructured.Unstructured, error)
	// GetClusterInventoryObjs looks up the inventory objects from the cluster.
	GetClusterInventoryObjs(inv Info) (object.UnstructuredSet, error)
	// ListClusterInventoryObjs returns a map mapping from inventory name to a list of cluster inventory objects
	ListClusterInventoryObjs(ctx context.Context) (map[string]object.ObjMetadataSet, error)
}

Client expresses an interface for interacting with objects which store references to objects (inventory objects).

type ClientFactory 

type ClientFactory interface {
	NewClient(factory cmdutil.Factory) (Client, error)
}

ClientFactory is a factory that constructs new Client instances.

type ClusterClient 

type ClusterClient struct {
	InventoryFactoryFunc StorageFactoryFunc
	// contains filtered or unexported fields
}

ClusterClient is a concrete implementation of the Client interface.

func NewClient 

func NewClient(factory cmdutil.Factory,
	invFunc StorageFactoryFunc,
	invToUnstructuredFunc ToUnstructuredFunc,
	statusPolicy StatusPolicy,
	gvk schema.GroupVersionKind,
) (*ClusterClient, error)

NewClient returns a concrete implementation of the Client interface or an error.

func (*ClusterClient) ApplyInventoryNamespace 

func (cic *ClusterClient) ApplyInventoryNamespace(obj *unstructured.Unstructured, dryRun common.DryRunStrategy) error

ApplyInventoryNamespace creates the passed namespace if it does not already exist, or returns an error if one happened. NOTE: No error if already exists.

func (*ClusterClient) DeleteInventoryObj 

func (cic *ClusterClient) DeleteInventoryObj(localInv Info, dryRun common.DryRunStrategy) error

DeleteInventoryObj deletes the inventory object from the cluster.

func (*ClusterClient) GetClusterInventoryInfo 

func (cic *ClusterClient) GetClusterInventoryInfo(inv Info) (*unstructured.Unstructured, error)

getClusterInventoryObj returns a pointer to the cluster inventory object, or an error if one occurred. Returns the cached cluster inventory object if it has been previously retrieved. Uses the ResourceBuilder to retrieve the inventory object in the cluster, using the namespace, group resource, and inventory label. Merges multiple inventory objects into one if it retrieves more than one (this should be very rare).

TODO(seans3): Remove the special case code to merge multiple cluster inventory objects once we've determined that this case is no longer possible.

func (*ClusterClient) GetClusterInventoryObjs 

func (cic *ClusterClient) GetClusterInventoryObjs(inv Info) (object.UnstructuredSet, error)

func (*ClusterClient) GetClusterObjs 

func (cic *ClusterClient) GetClusterObjs(localInv Info) (object.ObjMetadataSet, error)

GetClusterObjs returns the objects stored in the cluster inventory object, or an error if one occurred.

func (*ClusterClient) ListClusterInventoryObjs 

func (cic *ClusterClient) ListClusterInventoryObjs(ctx context.Context) (map[string]object.ObjMetadataSet, error)

func (*ClusterClient) Merge 

func (cic *ClusterClient) Merge(localInv Info, objs object.ObjMetadataSet, dryRun common.DryRunStrategy) (object.ObjMetadataSet, error)

Merge stores the union of the passed objects with the objects currently stored in the cluster inventory object. Retrieves and caches the cluster inventory object. Returns the set differrence of the cluster inventory objects and the currently applied objects. This is the set of objects to prune. Creates the initial cluster inventory object storing the passed objects if an inventory object does not exist. Returns an error if one occurred.

func (*ClusterClient) Replace 

func (cic *ClusterClient) Replace(localInv Info, objs object.ObjMetadataSet, status []actuation.ObjectStatus,
	dryRun common.DryRunStrategy) error

Replace stores the passed objects in the cluster inventory object, or an error if one occurred.

type ClusterClientFactory 

type ClusterClientFactory struct {
	StatusPolicy StatusPolicy
}

ClusterClientFactory is a factory that creates instances of ClusterClient inventory client.

func (ClusterClientFactory) NewClient 

func (ccf ClusterClientFactory) NewClient(factory cmdutil.Factory) (Client, error)

type ConfigMap 

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

ConfigMap wraps a ConfigMap resource and implements the Inventory interface. This wrapper loads and stores the object metadata (inventory) to and from the wrapped ConfigMap.

func (*ConfigMap) Apply 

func (icm *ConfigMap) Apply(dc dynamic.Interface, mapper meta.RESTMapper, _ StatusPolicy) error

Apply is an Storage interface function implemented to apply the inventory object. StatusPolicy is not needed since ConfigMaps do not have a status subresource.

func (*ConfigMap) ApplyWithPrune 

func (icm *ConfigMap) ApplyWithPrune(dc dynamic.Interface, mapper meta.RESTMapper, _ StatusPolicy, _ object.ObjMetadataSet) error

ApplyWithPrune is a Storage interface function implemented to apply the inventory object with a list of objects to be pruned. StatusPolicy is not needed since ConfigMaps do not have a status subresource.

func (*ConfigMap) GetObject 

func (icm *ConfigMap) GetObject() (*unstructured.Unstructured, error)

GetObject returns the wrapped object (ConfigMap) as a resource.Info or an error if one occurs.

func (*ConfigMap) ID 

func (icm *ConfigMap) ID() string

func (*ConfigMap) Load 

func (icm *ConfigMap) Load() (object.ObjMetadataSet, error)

Load is an Inventory interface function returning the set of object metadata from the wrapped ConfigMap, or an error.

func (*ConfigMap) Name 

func (icm *ConfigMap) Name() string

func (*ConfigMap) Namespace 

func (icm *ConfigMap) Namespace() string

func (*ConfigMap) Store 

func (icm *ConfigMap) Store(objMetas object.ObjMetadataSet, status []actuation.ObjectStatus) error

Store is an Inventory interface function implemented to store the object metadata in the wrapped ConfigMap. Actual storing happens in "GetObject".

func (*ConfigMap) Strategy 

func (icm *ConfigMap) Strategy() Strategy

func (*ConfigMap) UnstructuredInventory 

func (icm *ConfigMap) UnstructuredInventory() *unstructured.Unstructured

type FakeBuilder 

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

FakeBuilder encapsulates a resource Builder which will hard-code the return of an inventory object with the encoded past invObjs.

func (*FakeBuilder) GetBuilder 

func (fb *FakeBuilder) GetBuilder() func() *resource.Builder

Returns the fake resource Builder with the fake client, test restmapper, and the fake category expander.

func (*FakeBuilder) SetInventoryObjs 

func (fb *FakeBuilder) SetInventoryObjs(objs object.ObjMetadataSet)

SetInventoryObjs sets the objects which will be encoded in an inventory object to be returned when queried for the cluster inventory object.

type FakeClient 

type FakeClient struct {
	Objs   object.ObjMetadataSet
	Status []actuation.ObjectStatus
	Err    error
}

FakeClient is a testing implementation of the Client interface.

func NewFakeClient 

func NewFakeClient(initObjs object.ObjMetadataSet) *FakeClient

NewFakeClient returns a FakeClient.

func (*FakeClient) ApplyInventoryNamespace 

func (fic *FakeClient) ApplyInventoryNamespace(*unstructured.Unstructured, common.DryRunStrategy) error

func (*FakeClient) ClearError 

func (fic *FakeClient) ClearError()

ClearError clears the force error

func (*FakeClient) DeleteInventoryObj 

func (fic *FakeClient) DeleteInventoryObj(Info, common.DryRunStrategy) error

DeleteInventoryObj returns an error if one is forced; does nothing otherwise.

func (*FakeClient) GetClusterInventoryInfo 

func (fic *FakeClient) GetClusterInventoryInfo(Info) (*unstructured.Unstructured, error)

func (*FakeClient) GetClusterInventoryObjs 

func (fic *FakeClient) GetClusterInventoryObjs(_ Info) (object.UnstructuredSet, error)

func (*FakeClient) GetClusterObjs 

func (fic *FakeClient) GetClusterObjs(Info) (object.ObjMetadataSet, error)

GetClusterObjs returns currently stored set of objects.

func (*FakeClient) ListClusterInventoryObjs 

func (fic *FakeClient) ListClusterInventoryObjs(_ context.Context) (map[string]object.ObjMetadataSet, error)

func (*FakeClient) Merge 

func (fic *FakeClient) Merge(_ Info, objs object.ObjMetadataSet, _ common.DryRunStrategy) (object.ObjMetadataSet, error)

Merge stores the passed objects with the current stored cluster inventory objects. Returns the set difference of the current set of objects minus the passed set of objects, or an error if one is set up.

func (*FakeClient) Replace 

func (fic *FakeClient) Replace(_ Info, objs object.ObjMetadataSet, status []actuation.ObjectStatus,
	_ common.DryRunStrategy) error

Replace the stored cluster inventory objs with the passed obj, or an error if one is set up.

func (*FakeClient) SetError 

func (fic *FakeClient) SetError(err error)

SetError forces an error on the subsequent client call if it returns an error.

type FakeClientFactory 

type FakeClientFactory object.ObjMetadataSet

func (FakeClientFactory) NewClient 

func (f FakeClientFactory) NewClient(cmdutil.Factory) (Client, error)

type IDMatchStatus 

type IDMatchStatus int

IDMatchStatus represents the result of comparing the id from current inventory info and the inventory-id from a live object. 

const (
	Empty IDMatchStatus = iota
	Match
	NoMatch
)

func IDMatch 

func IDMatch(inv Info, obj *unstructured.Unstructured) IDMatchStatus

func (IDMatchStatus) String 

func (i IDMatchStatus) String() string

type Info 

type Info interface {
	// Namespace of the inventory object.
	// It should be the value of the field .metadata.namespace.
	Namespace() string

	// Name of the inventory object.
	// It should be the value of the field .metadata.name.
	Name() string

	// ID of the inventory object. It is optional.
	// The Provider contained in the applier should know
	// if the Id is necessary and how to use it for pruning objects.
	ID() string

	Strategy() Strategy
}

Info provides the minimal information for the applier to create, look up and update an inventory. The inventory object can be any type, the Provider in the applier needs to know how to create, look up and update it based on the Info.

func WrapInventoryInfoObj 

func WrapInventoryInfoObj(inv *unstructured.Unstructured) Info

WrapInventoryInfoObj takes a passed ConfigMap (as a resource.Info), wraps it with the ConfigMap and upcasts the wrapper as an the Info interface.

type Manager 

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

Manager wraps an Inventory with convenience methods that use ObjMetadata.

func NewManager 

func NewManager() *Manager

NewManager returns a new manager instance.

func (*Manager) AddFailedApply 

func (tc *Manager) AddFailedApply(id object.ObjMetadata)

AddFailedApply registers that the object failed to apply

func (*Manager) AddFailedDelete 

func (tc *Manager) AddFailedDelete(id object.ObjMetadata)

AddFailedDelete registers that the object failed to delete

func (*Manager) AddPendingApply 

func (tc *Manager) AddPendingApply(id object.ObjMetadata)

AddPendingApply registers that the object is pending apply

func (*Manager) AddPendingDelete 

func (tc *Manager) AddPendingDelete(id object.ObjMetadata)

AddPendingDelete registers that the object is pending delete

func (*Manager) AddSkippedApply 

func (tc *Manager) AddSkippedApply(id object.ObjMetadata)

AddSkippedApply registers that the object apply was skipped

func (*Manager) AddSkippedDelete 

func (tc *Manager) AddSkippedDelete(id object.ObjMetadata)

AddSkippedDelete registers that the object delete was skipped

func (*Manager) AddSuccessfulApply 

func (tc *Manager) AddSuccessfulApply(id object.ObjMetadata, uid types.UID, gen int64)

AddSuccessfulApply updates the context with information about the resource identified by the provided id. Currently, we keep information about the generation of the resource after the apply operation completed.

func (*Manager) AddSuccessfulDelete 

func (tc *Manager) AddSuccessfulDelete(id object.ObjMetadata, uid types.UID)

AddSuccessfulDelete updates the context with information about the resource identified by the provided id. Currently, we only track the uid, because the DELETE call doesn't always return the generation, namely if the object was scheduled to be deleted asynchronously, which might cause further updates by finalizers. The UID will change if the object is re-created.

func (*Manager) AppliedGeneration 

func (tc *Manager) AppliedGeneration(id object.ObjMetadata) (int64, bool)

AppliedGeneration looks up the generation of the given resource after it was applied.

func (*Manager) AppliedResourceUID 

func (tc *Manager) AppliedResourceUID(id object.ObjMetadata) (types.UID, bool)

AppliedResourceUID looks up the UID of a successfully applied resource

func (*Manager) AppliedResourceUIDs 

func (tc *Manager) AppliedResourceUIDs() sets.String

AppliedResourceUIDs returns a set with the UIDs of all the successfully applied resources.

func (*Manager) FailedApplies 

func (tc *Manager) FailedApplies() object.ObjMetadataSet

FailedApplies returns all the objects that failed to apply

func (*Manager) FailedDeletes 

func (tc *Manager) FailedDeletes() object.ObjMetadataSet

FailedDeletes returns all the objects that failed to delete

func (*Manager) FailedReconciles 

func (tc *Manager) FailedReconciles() object.ObjMetadataSet

FailedReconciles returns all the objects that failed to reconcile

func (*Manager) Inventory 

func (tc *Manager) Inventory() *actuation.Inventory

Inventory returns the in-memory version of the managed inventory.

func (*Manager) IsFailedApply 

func (tc *Manager) IsFailedApply(id object.ObjMetadata) bool

IsFailedApply returns true if the object failed to apply

func (*Manager) IsFailedDelete 

func (tc *Manager) IsFailedDelete(id object.ObjMetadata) bool

IsFailedDelete returns true if the object failed to delete

func (*Manager) IsFailedReconcile 

func (tc *Manager) IsFailedReconcile(id object.ObjMetadata) bool

IsFailedReconcile returns true if the object failed to reconcile

func (*Manager) IsPendingApply 

func (tc *Manager) IsPendingApply(id object.ObjMetadata) bool

IsPendingApply returns true if the object pending apply

func (*Manager) IsPendingDelete 

func (tc *Manager) IsPendingDelete(id object.ObjMetadata) bool

IsPendingDelete returns true if the object pending delete

func (*Manager) IsPendingReconcile 

func (tc *Manager) IsPendingReconcile(id object.ObjMetadata) bool

IsPendingReconcile returns true if the object reconcile is pending

func (*Manager) IsSkippedApply 

func (tc *Manager) IsSkippedApply(id object.ObjMetadata) bool

IsSkippedApply returns true if the object apply was skipped

func (*Manager) IsSkippedDelete 

func (tc *Manager) IsSkippedDelete(id object.ObjMetadata) bool

IsSkippedDelete returns true if the object delete was skipped

func (*Manager) IsSkippedReconcile 

func (tc *Manager) IsSkippedReconcile(id object.ObjMetadata) bool

IsSkippedReconcile returns true if the object reconcile was skipped

func (*Manager) IsSuccessfulApply 

func (tc *Manager) IsSuccessfulApply(id object.ObjMetadata) bool

IsSuccessfulApply returns true if the object apply was successful

func (*Manager) IsSuccessfulDelete 

func (tc *Manager) IsSuccessfulDelete(id object.ObjMetadata) bool

IsSuccessfulDelete returns true if the object delete was successful

func (*Manager) IsSuccessfulReconcile 

func (tc *Manager) IsSuccessfulReconcile(id object.ObjMetadata) bool

IsSuccessfulReconcile returns true if the object is reconciled

func (*Manager) IsTimeoutReconcile 

func (tc *Manager) IsTimeoutReconcile(id object.ObjMetadata) bool

IsTimeoutReconcile returns true if the object reconcile was skipped

func (*Manager) ObjectStatus 

func (tc *Manager) ObjectStatus(id object.ObjMetadata) (*actuation.ObjectStatus, bool)

ObjectStatus retrieves the status of an object with the specified ID. The returned status is a pointer and can be updated in-place for efficiency.

func (*Manager) ObjectsWithActuationStatus 

func (tc *Manager) ObjectsWithActuationStatus(strategy actuation.ActuationStrategy, status actuation.ActuationStatus) object.ObjMetadataSet

ObjectsWithActuationStatus retrieves the set of objects with the specified actuation strategy and status.

func (*Manager) ObjectsWithReconcileStatus 

func (tc *Manager) ObjectsWithReconcileStatus(status actuation.ReconcileStatus) object.ObjMetadataSet

ObjectsWithActuationStatus retrieves the set of objects with the specified reconcile status, regardless of actuation strategy.

func (*Manager) PendingApplies 

func (tc *Manager) PendingApplies() object.ObjMetadataSet

PendingApplies returns all the objects that are pending apply

func (*Manager) PendingDeletes 

func (tc *Manager) PendingDeletes() object.ObjMetadataSet

PendingDeletes returns all the objects that are pending delete

func (*Manager) PendingReconciles 

func (tc *Manager) PendingReconciles() object.ObjMetadataSet

PendingReconciles returns all the objects where reconcile is pending

func (*Manager) SetFailedReconcile 

func (tc *Manager) SetFailedReconcile(id object.ObjMetadata) error

SetFailedReconcile registers that the object failed to reconcile

func (*Manager) SetObjectStatus 

func (tc *Manager) SetObjectStatus(newObjStatus actuation.ObjectStatus)

SetObjectStatus updates or adds an ObjectStatus record to the inventory.

func (*Manager) SetPendingReconcile 

func (tc *Manager) SetPendingReconcile(id object.ObjMetadata) error

SetPendingReconcile registers that the object reconcile is pending

func (*Manager) SetSkippedReconcile 

func (tc *Manager) SetSkippedReconcile(id object.ObjMetadata) error

SetSkippedReconcile registers that the object reconcile was skipped

func (*Manager) SetSuccessfulReconcile 

func (tc *Manager) SetSuccessfulReconcile(id object.ObjMetadata) error

SetSuccessfulReconcile registers that the object is reconciled

func (*Manager) SetTimeoutReconcile 

func (tc *Manager) SetTimeoutReconcile(id object.ObjMetadata) error

SetTimeoutReconcile registers that the object reconcile was skipped

func (*Manager) SkippedApplies 

func (tc *Manager) SkippedApplies() object.ObjMetadataSet

SkippedApplies returns all the objects where apply was skipped

func (*Manager) SkippedDeletes 

func (tc *Manager) SkippedDeletes() object.ObjMetadataSet

SkippedDeletes returns all the objects where deletion was skipped

func (*Manager) SkippedReconciles 

func (tc *Manager) SkippedReconciles() object.ObjMetadataSet

SkippedReconciles returns all the objects where reconcile was skipped

func (*Manager) SuccessfulApplies 

func (tc *Manager) SuccessfulApplies() object.ObjMetadataSet

SuccessfulApplies returns all the objects (as ObjMetadata) that were added as applied resources to the Manager.

func (*Manager) SuccessfulDeletes 

func (tc *Manager) SuccessfulDeletes() object.ObjMetadataSet

SuccessfulDeletes returns all the objects (as ObjMetadata) that were successfully deleted.

func (*Manager) SuccessfulReconciles 

func (tc *Manager) SuccessfulReconciles() object.ObjMetadataSet

SuccessfulReconciles returns all the reconciled objects

func (*Manager) TimeoutReconciles 

func (tc *Manager) TimeoutReconciles() object.ObjMetadataSet

TimeoutReconciles returns all the objects where reconcile was skipped

type MultipleInventoryObjError 

type MultipleInventoryObjError struct {
	InventoryObjectTemplates object.UnstructuredSet
}

func (*MultipleInventoryObjError) Error 

func (e *MultipleInventoryObjError) Error() string

func (*MultipleInventoryObjError) Is 

func (e *MultipleInventoryObjError) Is(err error) bool

Is returns true if the specified error is equal to this error. Use errors.Is(error) to recursively check if an error wraps this error.

type NoInventoryObjError 

type NoInventoryObjError struct{}

func (*NoInventoryObjError) Error 

func (e *NoInventoryObjError) Error() string

func (*NoInventoryObjError) Is 

func (e *NoInventoryObjError) Is(err error) bool

Is returns true if the specified error is equal to this error. Use errors.Is(error) to recursively check if an error wraps this error.

type Policy 

type Policy int

Policy defines if an inventory object can take over objects that belong to another inventory object or don't belong to any inventory object. This is done by determining if the apply/prune operation can go through for a resource based on the comparison the inventory-id value in the package and the owning-inventory annotation in the live object. 

const (
	// PolicyMustMatch: This policy enforces that the resources being applied can not
	// have any overlap with objects in other inventories or objects that already exist
	// in the cluster but don't belong to an inventory.
	//
	// The apply operation can go through when
	// - A new resources in the package doesn't exist in the cluster
	// - An existing resource in the package doesn't exist in the cluster
	// - An existing resource exist in the cluster. The owning-inventory annotation in the live object
	//   matches with that in the package.
	//
	// The prune operation can go through when
	// - The owning-inventory annotation in the live object match with that
	//   in the package.
	PolicyMustMatch Policy = iota // MustMatch

	// PolicyAdoptIfNoInventory: This policy enforces that resources being applied
	// can not have any overlap with objects in other inventories, but are
	// permitted to take ownership of objects that don't belong to any inventories.
	//
	// The apply operation can go through when
	// - New resource in the package doesn't exist in the cluster
	// - If a new resource exist in the cluster, its owning-inventory annotation is empty
	// - Existing resource in the package doesn't exist in the cluster
	// - If existing resource exist in the cluster, its owning-inventory annotation in the live object
	//   is empty
	// - An existing resource exist in the cluster. The owning-inventory annotation in the live object
	//   matches with that in the package.
	//
	// The prune operation can go through when
	// - The owning-inventory annotation in the live object match with that
	//   in the package.
	// - The live object doesn't have the owning-inventory annotation.
	PolicyAdoptIfNoInventory // AdoptIfNoInventory

	// PolicyAdoptAll: This policy will let the current inventory take ownership of any objects.
	//
	// The apply operation can go through for any resource in the package even if the
	// live object has an unmatched owning-inventory annotation.
	//
	// The prune operation can go through when
	// - The owning-inventory annotation in the live object match or doesn't match with that
	//   in the package.
	// - The live object doesn't have the owning-inventory annotation.
	PolicyAdoptAll // AdoptAll
)

func (Policy) String 

func (i Policy) String() string

type PolicyPreventedActuationError 

type PolicyPreventedActuationError struct {
	Strategy actuation.ActuationStrategy
	Policy   Policy
	Status   IDMatchStatus
}

func (*PolicyPreventedActuationError) Error 

func (e *PolicyPreventedActuationError) Error() string

func (*PolicyPreventedActuationError) Is 

func (e *PolicyPreventedActuationError) Is(err error) bool

Is returns true if the specified error is equal to this error. Use errors.Is(error) to recursively check if an error wraps this error.

type StatusPolicy 

type StatusPolicy int

StatusPolicy specifies whether the inventory client should apply status to the inventory object. The status contains the actuation and reconcile stauts of each object in the inventory. 

const (
	// StatusPolicyNone disables inventory status updates.
	StatusPolicyNone StatusPolicy = iota // None

	// StatusPolicyAll fully enables inventory status updates.
	StatusPolicyAll // All
)

func (StatusPolicy) String 

func (i StatusPolicy) String() string

type Storage 

type Storage interface {
	// Load retrieves the set of object metadata from the inventory object
	Load() (object.ObjMetadataSet, error)
	// Store the set of object metadata in the inventory object. This will
	// replace the metadata, spec and status.
	Store(objs object.ObjMetadataSet, status []actuation.ObjectStatus) error
	// GetObject returns the object that stores the inventory
	GetObject() (*unstructured.Unstructured, error)
	// Apply applies the inventory object. This utility function is used
	// in InventoryClient.Merge and merges the metadata, spec and status.
	Apply(dynamic.Interface, meta.RESTMapper, StatusPolicy) error
	// ApplyWithPrune applies the inventory object with a set of pruneIDs of
	// objects to be pruned (object.ObjMetadataSet). This function is used in
	// InventoryClient.Replace. pruneIDs are required for enabling custom logic
	// handling of multiple ResourceGroup inventories.
	ApplyWithPrune(dynamic.Interface, meta.RESTMapper, StatusPolicy, object.ObjMetadataSet) error
}

Storage describes methods necessary for an object which can persist the object metadata for pruning and other group operations.

func WrapInventoryObj 

func WrapInventoryObj(inv *unstructured.Unstructured) Storage

WrapInventoryObj takes a passed ConfigMap (as a resource.Info), wraps it with the ConfigMap and upcasts the wrapper as an the Inventory interface.

type StorageFactoryFunc 

type StorageFactoryFunc func(*unstructured.Unstructured) Storage

StorageFactoryFunc creates the object which implements the Inventory interface from the passed info object.

type Strategy 

type Strategy string
const (
	NameStrategy  Strategy = "name"
	LabelStrategy Strategy = "label"
)

type ToUnstructuredFunc 

type ToUnstructuredFunc func(Info) *unstructured.Unstructured

ToUnstructuredFunc returns the unstructured object for the given Info.

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