reconciliation

package
v1.17.1 Latest Latest
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 Go to latest Published: Sep 11, 2023 License: Apache-2.0 Imports: 53 Imported by: 3

Documentation

Overview

Copyright DataStax, Inc. Please see the included license file for details.

Index

Constants

View Source 
const (
	DefaultTerminationGracePeriodSeconds = 120
	ServerConfigContainerName            = "server-config-init"
	ServerBaseConfigContainerName        = "server-config-init-base"
	CassandraContainerName               = "cassandra"
	PvcName                              = "server-data"
	SystemLoggerContainerName            = "server-system-logger"
)

Variables

View Source 
var (
	// Provides reasonable defaults for the logger container.
	DefaultsLoggerContainer = buildResourceRequirements(100, 64, 0, 128)

	// Provides reasonable defaults for the configuration container.
	DefaultsConfigInitContainer = buildResourceRequirements(1000, 256, 1000, 384)
)
View Source 
var (
	ResultShouldNotRequeue     reconcile.Result = reconcile.Result{Requeue: false}
	ResultShouldRequeueNow     reconcile.Result = reconcile.Result{Requeue: true}
	ResultShouldRequeueSoon    reconcile.Result = reconcile.Result{Requeue: true, RequeueAfter: 2 * time.Second}
	ResultShouldRequeueTenSecs reconcile.Result = reconcile.Result{Requeue: true, RequeueAfter: 10 * time.Second}

	QuietDurationFunc func(int) time.Duration = func(secs int) time.Duration { return time.Duration(secs) * time.Second }
)

Functions

func DatacentersForNode 

func DatacentersForNode(nodeName string) []types.NamespacedName

Get the dcNames and dcNamespaces for a node

func FilterPodListByCassNodeState 

func FilterPodListByCassNodeState(pods []*corev1.Pod, state string) []*corev1.Pod

func FilterPodListByLabel 

func FilterPodListByLabel(pods []*corev1.Pod, labelName string, labelVal string) []*corev1.Pod

func FilterPodListByLabels 

func FilterPodListByLabels(pods []*corev1.Pod, labelMap map[string]string) []*corev1.Pod

Takes a list of *Pod and filters down to only the pods that match every label/val in the provided label map.

func FindIpForHostId 

func FindIpForHostId(endpointData httphelper.CassMetadataEndpoints, hostId string) (string, error)

func HasStartedDecommissioning 

func HasStartedDecommissioning(pod *corev1.Pod, epData httphelper.CassMetadataEndpoints, nodeStatuses api.CassandraStatusMap) bool

func IsDoneDecommissioning 

func IsDoneDecommissioning(pod *corev1.Pod, epData httphelper.CassMetadataEndpoints, nodeStatuses api.CassandraStatusMap, logger logr.Logger) bool

func ListAllStartedPods 

func ListAllStartedPods(pods []*corev1.Pod) []*corev1.Pod

func MapPodsToEndpointDataByName 

func MapPodsToEndpointDataByName(pods []*v1.Pod, epData httphelper.CassMetadataEndpoints) map[string]httphelper.EndpointState

func MockSetControllerReference 

func MockSetControllerReference() func()

MockSetControllerReference returns a method that will automatically reverse the mock

func PodPtrsFromPodList 

func PodPtrsFromPodList(podList *corev1.PodList) []*corev1.Pod

Types

type RackInformation 

type RackInformation struct {
	RackName  string
	NodeCount int
	SeedCount int
}

RackInformation contains an identifying name and a node count for a logical rack

type ReconciliationContext 

type ReconciliationContext struct {
	Request        *reconcile.Request
	Client         runtimeClient.Client
	Scheme         *runtime.Scheme
	Datacenter     *api.CassandraDatacenter
	NodeMgmtClient httphelper.NodeMgmtClient
	Recorder       record.EventRecorder
	ReqLogger      logr.Logger
	SecretWatches  dynamicwatch.DynamicWatches

	// According to golang recommendations the context should not be stored in a struct but given that
	// this is passed around as a parameter we feel that its a fair compromise. For further discussion
	// see: golang/go#22602
	Ctx context.Context

	Services  []*corev1.Service
	Endpoints *corev1.Endpoints
	// contains filtered or unexported fields
}

ReconciliationContext contains all of the input necessary to calculate a list of ReconciliationActions

func CreateMockReconciliationContext 

func CreateMockReconciliationContext(
	reqLogger logr.Logger) *ReconciliationContext

CreateMockReconciliationContext ...

func CreateReconciliationContext 

func CreateReconciliationContext(
	ctx context.Context,
	req *reconcile.Request,
	cli runtimeClient.Client,
	scheme *runtime.Scheme,
	rec record.EventRecorder,
	secretWatches dynamicwatch.DynamicWatches) (*ReconciliationContext, error)

CreateReconciliationContext gathers all information needed for computeReconciliationActions into a struct.

func (*ReconciliationContext) CalculateRackInfoForDecomm 

func (rc *ReconciliationContext) CalculateRackInfoForDecomm(currentSize int) ([]*RackInformation, error)

func (*ReconciliationContext) CalculateRackInformation 

func (rc *ReconciliationContext) CalculateRackInformation() error

CalculateRackInformation determine how many nodes per rack are needed

func (*ReconciliationContext) CalculateReconciliationActions 

func (rc *ReconciliationContext) CalculateReconciliationActions() (reconcile.Result, error)

calculateReconciliationActions will iterate over an ordered list of reconcilers which will determine if any action needs to be taken on the CassandraDatacenter. If a change is needed then the apply function will be called on that reconciler and the request will be requeued for the next reconciler to handle in the subsequent reconcile loop, otherwise the next reconciler will be called.

func (*ReconciliationContext) CheckAdditionalSeedEndpoints 

func (rc *ReconciliationContext) CheckAdditionalSeedEndpoints() result.ReconcileResult

func (*ReconciliationContext) CheckCassandraNodeStatuses 

func (rc *ReconciliationContext) CheckCassandraNodeStatuses() result.ReconcileResult

func (*ReconciliationContext) CheckClearActionConditions 

func (rc *ReconciliationContext) CheckClearActionConditions() result.ReconcileResult

func (*ReconciliationContext) CheckConditionInitializedAndReady 

func (rc *ReconciliationContext) CheckConditionInitializedAndReady() result.ReconcileResult

func (*ReconciliationContext) CheckConfigSecret 

func (rc *ReconciliationContext) CheckConfigSecret() result.ReconcileResult

CheckConfigSecret When the ConfigSecret property is set, take the configuration from the specified secret and add to the datacenter configuration secret. The datacenter configuration is created by cass-operator. A second secret is used because cass-operator adds additional properties to the configuration, and we do not want to write that updated configuration back to the user's secret since we do not own it.

func (*ReconciliationContext) CheckDcPodDisruptionBudget 

func (rc *ReconciliationContext) CheckDcPodDisruptionBudget() result.ReconcileResult

func (*ReconciliationContext) CheckDecommissioningNodes 

func (rc *ReconciliationContext) CheckDecommissioningNodes(epData httphelper.CassMetadataEndpoints) result.ReconcileResult

Wait for decommissioning nodes to finish before continuing to reconcile

func (*ReconciliationContext) CheckForInvalidState 

func (rc *ReconciliationContext) CheckForInvalidState() result.ReconcileResult

func (*ReconciliationContext) CheckFullQueryLogging added in v1.9.0 

func (rc *ReconciliationContext) CheckFullQueryLogging() result.ReconcileResult

CheckFullQueryLogging sets FQL enabled or disabled. It calls the NodeMgmtClient which calls the Cassandra management API and returns a result.ReconcileResult.

func (*ReconciliationContext) CheckHeadlessServices 

func (rc *ReconciliationContext) CheckHeadlessServices() result.ReconcileResult

ReconcileHeadlessService ...

func (*ReconciliationContext) CheckInternodeCredentialCreation 

func (rc *ReconciliationContext) CheckInternodeCredentialCreation() result.ReconcileResult

func (*ReconciliationContext) CheckPodsReady 

func (rc *ReconciliationContext) CheckPodsReady(endpointData httphelper.CassMetadataEndpoints) result.ReconcileResult

CheckPodsReady loops over all the server pods and starts them

func (*ReconciliationContext) CheckRackCreation 

func (rc *ReconciliationContext) CheckRackCreation() result.ReconcileResult

func (*ReconciliationContext) CheckRackForceUpgrade 

func (rc *ReconciliationContext) CheckRackForceUpgrade() result.ReconcileResult

func (*ReconciliationContext) CheckRackLabels 

func (rc *ReconciliationContext) CheckRackLabels() result.ReconcileResult

func (*ReconciliationContext) CheckRackPodLabels 

func (rc *ReconciliationContext) CheckRackPodLabels() result.ReconcileResult

CheckRackPodLabels checks each pod and its volume(s) and makes sure they have the proper labels

func (*ReconciliationContext) CheckRackPodTemplate 

func (rc *ReconciliationContext) CheckRackPodTemplate() result.ReconcileResult

func (*ReconciliationContext) CheckRackScale 

func (rc *ReconciliationContext) CheckRackScale() result.ReconcileResult

CheckRackScale loops over each statefulset and makes sure that it has the right amount of desired replicas. At this time we can only increase the amount of replicas.

func (*ReconciliationContext) CheckRackStoppedState 

func (rc *ReconciliationContext) CheckRackStoppedState() result.ReconcileResult

func (*ReconciliationContext) CheckRollingRestart 

func (rc *ReconciliationContext) CheckRollingRestart() result.ReconcileResult

func (*ReconciliationContext) CheckStatefulSetControllerCaughtUp 

func (rc *ReconciliationContext) CheckStatefulSetControllerCaughtUp() result.ReconcileResult

func (*ReconciliationContext) CheckSuperuserSecretCreation 

func (rc *ReconciliationContext) CheckSuperuserSecretCreation() result.ReconcileResult

func (*ReconciliationContext) CreateEndpointsForAdditionalSeedService 

func (rc *ReconciliationContext) CreateEndpointsForAdditionalSeedService() result.ReconcileResult

func (*ReconciliationContext) CreateHeadlessServices 

func (rc *ReconciliationContext) CreateHeadlessServices() result.ReconcileResult

func (*ReconciliationContext) CreateUsers 

func (rc *ReconciliationContext) CreateUsers() result.ReconcileResult

func (*ReconciliationContext) DecommissionNodeOnRack 

func (rc *ReconciliationContext) DecommissionNodeOnRack(rackName string, epData httphelper.CassMetadataEndpoints, lastPodSuffix string) error

func (*ReconciliationContext) DecommissionNodes 

func (rc *ReconciliationContext) DecommissionNodes(epData httphelper.CassMetadataEndpoints) result.ReconcileResult

func (*ReconciliationContext) DeletePodPvcs 

func (rc *ReconciliationContext) DeletePodPvcs(pod *corev1.Pod) error

func (*ReconciliationContext) EnsurePodsCanAbsorbDecommData 

func (rc *ReconciliationContext) EnsurePodsCanAbsorbDecommData(decommPod *corev1.Pod, epData httphelper.CassMetadataEndpoints) error

func (*ReconciliationContext) GetAdditionalSeedEndpoint 

func (rc *ReconciliationContext) GetAdditionalSeedEndpoint() (*corev1.Endpoints, error)

func (*ReconciliationContext) GetClient 

func (rc *ReconciliationContext) GetClient() runtimeClient.Client

func (*ReconciliationContext) GetContext 

func (rc *ReconciliationContext) GetContext() context.Context

func (*ReconciliationContext) GetDatacenter 

func (rc *ReconciliationContext) GetDatacenter() *api.CassandraDatacenter

func (*ReconciliationContext) GetLogger 

func (rc *ReconciliationContext) GetLogger() logr.Logger

func (*ReconciliationContext) GetPodPVC 

func (rc *ReconciliationContext) GetPodPVC(podNamespace string, podName string) (*corev1.PersistentVolumeClaim, error)

func (*ReconciliationContext) GetStatefulSetForRack 

func (rc *ReconciliationContext) GetStatefulSetForRack(
	nextRack *RackInformation) (*appsv1.StatefulSet, bool, error)

GetStatefulSetForRack returns the statefulset for the rack and whether it currently exists and whether an error occurred

func (*ReconciliationContext) GetUsedStorageForPods 

func (rc *ReconciliationContext) GetUsedStorageForPods(epData httphelper.CassMetadataEndpoints) (map[string]float64, error)

func (*ReconciliationContext) GetUsers 

func (rc *ReconciliationContext) GetUsers() []api.CassandraUser

func (*ReconciliationContext) IsValid 

func (rc *ReconciliationContext) IsValid(dc *api.CassandraDatacenter) error

func (*ReconciliationContext) ProcessDeletion 

func (rc *ReconciliationContext) ProcessDeletion() result.ReconcileResult

ProcessDeletion ...

func (*ReconciliationContext) ReconcileAllRacks 

func (rc *ReconciliationContext) ReconcileAllRacks() (reconcile.Result, error)

ReconcileAllRacks determines if a rack needs to be reconciled.

func (*ReconciliationContext) ReconcileNextRack 

func (rc *ReconciliationContext) ReconcileNextRack(statefulSet *appsv1.StatefulSet) error

ReconcileNextRack ensures that the resources for a rack have been properly created

func (*ReconciliationContext) ReconcilePods 

func (rc *ReconciliationContext) ReconcilePods(statefulSet *appsv1.StatefulSet) error

ReconcilePods ...

func (*ReconciliationContext) RemoveDecommissionedPodFromSts 

func (rc *ReconciliationContext) RemoveDecommissionedPodFromSts(pod *corev1.Pod) error

func (*ReconciliationContext) SetDatacenterAsOwner 

func (rc *ReconciliationContext) SetDatacenterAsOwner(controlled metav1.Object) error

func (*ReconciliationContext) UpdateCassandraNodeStatus 

func (rc *ReconciliationContext) UpdateCassandraNodeStatus(force bool) error

func (*ReconciliationContext) UpdateRackNodeCount 

func (rc *ReconciliationContext) UpdateRackNodeCount(statefulSet *appsv1.StatefulSet, newNodeCount int32) error

Updates the node count on a rack (statefulset)

func (*ReconciliationContext) UpdateSecretWatches 

func (rc *ReconciliationContext) UpdateSecretWatches() error

func (*ReconciliationContext) UpdateStatus 

func (rc *ReconciliationContext) UpdateStatus() result.ReconcileResult

func (*ReconciliationContext) UpdateStatusForUserActions 

func (rc *ReconciliationContext) UpdateStatusForUserActions() error

Source Files

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