utils

package
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 Go to latest Published: Nov 6, 2023 License: Apache-2.0 Imports: 25 Imported by: 0

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Index

Constants

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const DestoryVMRequeueInterval = 10 * time.Second
View Source 
const RequeueTimeout = 5 * time.Second

Variables

This section is empty.

Functions

func ContainsAlreadyExistsSubstring 

func ContainsAlreadyExistsSubstring(err error) bool

func ContainsNoMatchSubstring 

func ContainsNoMatchSubstring(err error) bool

func GenerateAffinityGroupName 

func GenerateAffinityGroupName(csm infrav1.CloudStackMachine, capiMachine *clusterv1.Machine, capiCluster *clusterv1.Cluster) (string, error)

The computed affinity group name relevant to this machine.

func GetManagementOwnerRef 

func GetManagementOwnerRef(capiMachine *clusterv1.Machine) *meta.OwnerReference

GetManagementOwnerRef returns the reference object pointing to the CAPI machine's manager.

func GetOwnerOfKind 

func GetOwnerOfKind(ctx context.Context, c clientPkg.Client, owned clientPkg.Object, owner clientPkg.Object) error

GetOwnerOfKind returns the Cluster object owning the current resource of passed kind.

func IsOwnerDeleted 

func IsOwnerDeleted(ctx context.Context, client clientPkg.Client, capiMachine *clusterv1.Machine) (bool, error)

IsOwnerDeleted returns a boolean if the owner of the CAPI machine has been deleted.

func WithClusterSuffix 

func WithClusterSuffix(name string, clusterName string) string

WithClusterSuffix appends a hyphen and the cluster name to a name if not already present.

Types

type CloudClientExtension 

type CloudClientExtension interface {
	RegisterExtension(*ReconciliationRunner) CloudClientExtension
	AsFailureDomainUser(*infrav1.CloudStackFailureDomainSpec) CloudStackReconcilerMethod
}

type CloudClientImplementation 

type CloudClientImplementation struct {
	CloudClientExtension
	*ReconciliationRunner
}

func (*CloudClientImplementation) AsFailureDomainUser 

func (c *CloudClientImplementation) AsFailureDomainUser(fdSpec *infrav1.CloudStackFailureDomainSpec) CloudStackReconcilerMethod

AsFailureDomainUser uses the credentials specified in the failure domain to set the ReconciliationSubject's CSUser client.

func (*CloudClientImplementation) RegisterExtension 

func (c *CloudClientImplementation) RegisterExtension(r *ReconciliationRunner) CloudClientExtension

type CloudStackBaseContext 

type CloudStackBaseContext struct {
	Log         logr.Logger
	RequestCtx  context.Context
	Request     ctrl.Request
	CAPICluster *clusterv1.Cluster
	CSCluster   *infrav1.CloudStackCluster
	Patcher     *patch.Helper
}

CloudStackBaseContext is the base CloudStack data structure created/copied for each reconciliation request to avoid concurrent member access.

type CloudStackReconcilerMethod 

type CloudStackReconcilerMethod func() (ctrl.Result, error)

CloudStackReconcilerMethod is the method type used in RunReconciliationStages. Additional arguments can be added by wrapping this type in another function affectively currying them.

type ConcreteRunner 

type ConcreteRunner interface {
	ReconcileDelete() (ctrl.Result, error)
	Reconcile() (ctrl.Result, error)
}

type ReconcilerBase 

type ReconcilerBase struct {
	BaseLogger logr.Logger
	Scheme     *runtime.Scheme
	K8sClient  client.Client
	CSClient   cloud.Client
	Recorder   record.EventRecorder
	CloudClientExtension
}

ReconcilerBase is the base set of components we use in k8s reconcilers. These are items that are not copied for each reconciliation request, and must be written to with caution.

func (*ReconcilerBase) InitFromMgr 

func (r *ReconcilerBase) InitFromMgr(mgr ctrl.Manager, client cloud.Client)

InitFromMgr just initiates a ReconcilerBase using given manager's fields/methods.

type ReconciliationRunner 

type ReconciliationRunner struct {
	*ReconcilerBase
	CloudClientExtension
	CloudStackBaseContext
	ReconciliationSubject client.Object // Underlying crd interface.
	ConditionalResult     bool          // Stores a conidtinal result for stringing if else type methods.

	ReconcileDelete CloudStackReconcilerMethod
	Reconcile       CloudStackReconcilerMethod
	CSUser          cloud.Client
	ControllerKind  string
	// contains filtered or unexported fields
}

ReconciliationRunner is the base structure used to run reconciliation methods and implements several.

func NewRunner 

func NewRunner(concreteRunner ConcreteRunner, subject client.Object, kind string) *ReconciliationRunner

NewRunner creates a new ReconciliationRunner pointing to the concrete reconciliation subject.

func (*ReconciliationRunner) CheckIfPaused 

func (r *ReconciliationRunner) CheckIfPaused() (ctrl.Result, error)

CheckIfPaused returns with requeue later set if paused.

func (*ReconciliationRunner) CheckOwnedCRDsForReadiness 

func (r *ReconciliationRunner) CheckOwnedCRDsForReadiness(gvks ...schema.GroupVersionKind) CloudStackReconcilerMethod

CheckOwnedCRDsForReadiness queries for the readiness of CRDs of GroupVersionKind passed.

func (*ReconciliationRunner) CheckOwnedObjectsDeleted 

func (r *ReconciliationRunner) CheckOwnedObjectsDeleted(gvks ...schema.GroupVersionKind) CloudStackReconcilerMethod

CheckOwnedObjectsDeleted queries for the presence of owned objects and requeues if any are still present. Primarily used to prevent deletions of owners before dependents.

func (*ReconciliationRunner) CheckPresent 

func (r *ReconciliationRunner) CheckPresent(objs map[string]client.Object) CloudStackReconcilerMethod

CheckPresent checks that each object given was fetched.

func (*ReconciliationRunner) CreateFailureDomain 

func (r *ReconciliationRunner) CreateFailureDomain(fdSpec infrav1.CloudStackFailureDomainSpec) error

CreateFailureDomain creates a specified CloudStackFailureDomain CRD owned by the ReconcilationSubject.

func (*ReconciliationRunner) CreateFailureDomains 

func (r *ReconciliationRunner) CreateFailureDomains(fdSpecs []infrav1.CloudStackFailureDomainSpec) CloudStackReconcilerMethod

CreateFailureDomains creates a CloudStackFailureDomain CRD for each of the ReconcilationSubject's FailureDomains.

func (*ReconciliationRunner) DeleteOwnedObjects 

func (r *ReconciliationRunner) DeleteOwnedObjects(gvks ...schema.GroupVersionKind) CloudStackReconcilerMethod

CheckOwnedObjectsDeleted queries for the presence of owned objects and requeues if any are still present. Primarily used to prevent deletions of owners before dependents.

func (*ReconciliationRunner) Else 

func (r *ReconciliationRunner) Else(fn CloudStackReconcilerMethod) CloudStackReconcilerMethod

Else can be used to run a different stage if a previous conditional was false.

func (*ReconciliationRunner) ForRequest 

func (r *ReconciliationRunner) ForRequest(req ctrl.Request) *ReconciliationRunner

ForRequest sets the reconciliation request.

func (*ReconciliationRunner) GenerateIsolatedNetwork 

func (r *ReconciliationRunner) GenerateIsolatedNetwork(name string, fdNameFunc func() string) CloudStackReconcilerMethod

GenerateIsolatedNetwork of the passed name that's owned by the ReconciliationSubject.

func (*ReconciliationRunner) GetCAPICluster 

func (r *ReconciliationRunner) GetCAPICluster() (ctrl.Result, error)

GetCAPICluster gets the CAPI cluster the reconciliation subject belongs to.

func (*ReconciliationRunner) GetCSCluster 

func (r *ReconciliationRunner) GetCSCluster() (ctrl.Result, error)

GetCSCluster gets the CAPI cluster the reconciliation subject belongs to.

func (*ReconciliationRunner) GetFailureDomainByName 

func (r *ReconciliationRunner) GetFailureDomainByName(nameFunc func() string, fd *infrav1.CloudStackFailureDomain) CloudStackReconcilerMethod

GetFailureDomainByName gets a single FailureDomain by name and requeues if it's not found.

func (*ReconciliationRunner) GetFailureDomains 

func (r *ReconciliationRunner) GetFailureDomains(fds *infrav1.CloudStackFailureDomainList) CloudStackReconcilerMethod

GetFailureDomains gets CloudStackFailureDomains owned by a CloudStackCluster.

func (*ReconciliationRunner) GetFailureDomainsAndRequeueIfMissing 

func (r *ReconciliationRunner) GetFailureDomainsAndRequeueIfMissing(fds *infrav1.CloudStackFailureDomainList) CloudStackReconcilerMethod

GetFailureDomainsAndRequeueIfMissing gets CloudStackFailureDomains owned by a CloudStackCluster and requeues if none are found.

func (*ReconciliationRunner) GetObjectByName 

func (r *ReconciliationRunner) GetObjectByName(name string, target client.Object, nameGetter ...func() string) CloudStackReconcilerMethod

GetObjectByName gets an object by name and type of object. The namespace is assumed to be the same as the ReconciliationSubject. Not found is not considered an error. Check the object after.

func (*ReconciliationRunner) GetOrCreateAffinityGroup 

func (r *ReconciliationRunner) GetOrCreateAffinityGroup(
	name string,
	affinityType string,
	ag *infrav1.CloudStackAffinityGroup,
	fd *infrav1.CloudStackFailureDomain) CloudStackReconcilerMethod

GetOrCreateAffinityGroup of the passed name that's owned by the failure domain of the reconciliation subject and the control plane that manages it.

func (*ReconciliationRunner) GetOwnerOfKind 

func (r *ReconciliationRunner) GetOwnerOfKind(owner client.Object) CloudStackReconcilerMethod

GetOwnerOfKind uses the ReconciliationSubject's owner references to get the owner object of kind passed.

func (*ReconciliationRunner) GetParent 

func (r *ReconciliationRunner) GetParent(child client.Object, parent client.Object) CloudStackReconcilerMethod

GetParent returns the object owning the current resource of passed kind.

func (*ReconciliationRunner) GetReconciliationSubject 

func (r *ReconciliationRunner) GetReconciliationSubject() (res ctrl.Result, reterr error)

GetReconcilationSubject gets the reconciliation subject of type defined by the concrete reconciler. It also sets up a patch helper at this point.

func (*ReconciliationRunner) IsoNetMetaName 

func (r *ReconciliationRunner) IsoNetMetaName(name string) string

func (*ReconciliationRunner) LogReconciliationSubject 

func (r *ReconciliationRunner) LogReconciliationSubject() (ctrl.Result, error)

func (*ReconciliationRunner) NewChildObjectMeta 

func (r *ReconciliationRunner) NewChildObjectMeta(name string) metav1.ObjectMeta

NewChildObjectMeta creates a meta object with ownership reference and labels matching the current cluster.

func (*ReconciliationRunner) PatchChangesBackToAPI 

func (r *ReconciliationRunner) PatchChangesBackToAPI() (res ctrl.Result, retErr error)

PatchChangesBackToAPI patches changes to the ReconciliationSubject back to the appropriate API.

func (*ReconciliationRunner) RemoveExtraneousFailureDomains 

func (r *ReconciliationRunner) RemoveExtraneousFailureDomains(fds *infrav1.CloudStackFailureDomainList) CloudStackReconcilerMethod

RemoveExtraneousFailureDomains deletes failure domains no longer listed under the CloudStackCluster's spec.

func (*ReconciliationRunner) RequeueIfCloudStackClusterNotReady 

func (r *ReconciliationRunner) RequeueIfCloudStackClusterNotReady() (ctrl.Result, error)

RequeueIfCloudStackClusterNotReady requeues the reconciliation request if the CloudStackCluster is not ready.

func (*ReconciliationRunner) RequeueIfMissingBaseCRs 

func (r *ReconciliationRunner) RequeueIfMissingBaseCRs() (ctrl.Result, error)

RequeueIfMissingBaseCRs checks that the ReconciliationSubject, CAPI Cluster, and CloudStackCluster objects were actually fetched and reques if not. The base reconciliation stages will continue even if not so as to allow deletion.

func (*ReconciliationRunner) RequeueWithMessage 

func (r *ReconciliationRunner) RequeueWithMessage(msg string, keysAndValues ...interface{}) (ctrl.Result, error)

RequeueWithMessage is a convenience method to log requeue message and then return a result with RequeueAfter set.

func (*ReconciliationRunner) ReturnWrappedError 

func (r *ReconciliationRunner) ReturnWrappedError(err error, msg string) (ctrl.Result, error)

ReturnWrappedError is a convenience method to log requeue message and then return a result with RequeueAfter set.

func (*ReconciliationRunner) RunBaseReconciliationStages 

func (r *ReconciliationRunner) RunBaseReconciliationStages() (res ctrl.Result, retErr error)

RunBaseReconciliationStages runs the base reconciliation stages which are to setup the logger, get the reconciliation subject, get CAPI and CloudStackClusters, and call either r.Reconcile or r.ReconcileDelete.

func (*ReconciliationRunner) RunIf 

func (r *ReconciliationRunner) RunIf(conditional func() bool, fn CloudStackReconcilerMethod) CloudStackReconcilerMethod

RunIf accepts a conditional method and CloudStackReconcilerMethod and runs the CloudStackBaseContext if the conditional method is true.

func (*ReconciliationRunner) RunReconciliationStages 

func (r *ReconciliationRunner) RunReconciliationStages(fns ...CloudStackReconcilerMethod) (ctrl.Result, error)

RunReconciliationStages runs CloudStackReconcilerMethods in order and exits if an error or requeue condition is set. On exit patches changes back to API.

func (*ReconciliationRunner) SetReconciliationSubjectToConcreteSubject 

func (r *ReconciliationRunner) SetReconciliationSubjectToConcreteSubject(subject client.Object) CloudStackReconcilerMethod

SetReconciliationSubjectToConcreteSubject sets reconciliation subject to passed concrete object.

func (*ReconciliationRunner) SetReturnEarly 

func (r *ReconciliationRunner) SetReturnEarly()

SetReturnEarly sets the runner to return early. This causes the runner to break from running further reconciliation stages and return whatever result the current method returns.

func (*ReconciliationRunner) SetupLogger 

func (r *ReconciliationRunner) SetupLogger() (res ctrl.Result, retErr error)

SetupLogger sets up the reconciler's logger to log with name and namespace values.

func (*ReconciliationRunner) SetupPatcher 

func (r *ReconciliationRunner) SetupPatcher() (res ctrl.Result, retErr error)

SetupPatcher initializes the patcher with the ReconciliationSubject. This must be done before changes to the ReconciliationSubject for changes to be patched back later.

func (*ReconciliationRunner) ShouldReturn 

func (r *ReconciliationRunner) ShouldReturn(rslt ctrl.Result, err error) bool

RunReconciliationStage runs a CloudStackReconcilerMethod and returns a boolean to indicate whether that stage would have returned a result that cuts the process short or not.

func (*ReconciliationRunner) UsingBaseReconciler 

func (r *ReconciliationRunner) UsingBaseReconciler(base ReconcilerBase) *ReconciliationRunner

UsingBaseReconciler sets up the reconciler to use base reconciler data and either default or alternative feature implementations.

func (*ReconciliationRunner) WithAdditionalCommonStages 

func (r *ReconciliationRunner) WithAdditionalCommonStages(fns ...CloudStackReconcilerMethod) *ReconciliationRunner

WithAdditionalCommonStages adds reconciliation stages to the base set of reconciliation stages ran before both Reconcile() and ReconcileDelete().

func (*ReconciliationRunner) WithRequestCtx 

func (r *ReconciliationRunner) WithRequestCtx(ctx context.Context) *ReconciliationRunner

WithRequestCtx sets the request context.

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