deployment

package
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Published: Dec 11, 2019 License: Apache-2.0 Imports: 10 Imported by: 0

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Constants

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const (
	// RevisionAnnotation is the revision annotation of a deployment's replica sets which records its rollout sequence
	RevisionAnnotation = "deployment.kubernetes.io/revision"
	// RevisionHistoryAnnotation maintains the history of all old revisions that a replica set has served for a deployment.
	RevisionHistoryAnnotation = "deployment.kubernetes.io/revision-history"
	// DesiredReplicasAnnotation is the desired replicas for a deployment recorded as an annotation
	// in its replica sets. Helps in separating scaling events from the rollout process and for
	// determining if the new replica set for a deployment is really saturated.
	DesiredReplicasAnnotation = "deployment.kubernetes.io/desired-replicas"
	// MaxReplicasAnnotation is the maximum replicas a deployment can have at a given point, which
	// is deployment.spec.replicas + maxSurge. Used by the underlying replica sets to estimate their
	// proportions in case the deployment has surge replicas.
	MaxReplicasAnnotation = "deployment.kubernetes.io/max-replicas"
	// RollbackRevisionNotFound is not found rollback event reason
	RollbackRevisionNotFound = "DeploymentRollbackRevisionNotFound"
	// RollbackTemplateUnchanged is the template unchanged rollback event reason
	RollbackTemplateUnchanged = "DeploymentRollbackTemplateUnchanged"
	// RollbackDone is the done rollback event reason
	RollbackDone = "DeploymentRollback"
	// TimedOutReason is added in a deployment when its newest replica set fails to show any progress
	// within the given deadline (progressDeadlineSeconds).
	TimedOutReason = "ProgressDeadlineExceeded"
)

Variables

This section is empty.

Functions

func GetAllReplicaSets

func GetAllReplicaSets(deployment *appsv1.Deployment, c appsclient.AppsV1Interface) ([]*appsv1.ReplicaSet, []*appsv1.ReplicaSet, *appsv1.ReplicaSet, error)

GetAllReplicaSets returns the old and new replica sets targeted by the given Deployment. It gets PodList and ReplicaSetList from client interface. Note that the first set of old replica sets doesn't include the ones with no pods, and the second set of old replica sets include all old replica sets. The third returned value is the new replica set, and it may be nil if it doesn't exist yet.

func GetDeploymentCondition

func GetDeploymentCondition(status appsv1.DeploymentStatus, condType appsv1.DeploymentConditionType) *appsv1.DeploymentCondition

GetDeploymentCondition returns the condition with the provided type.

func ResolveFenceposts

func ResolveFenceposts(maxSurge, maxUnavailable *intstrutil.IntOrString, desired int32) (int32, int32, error)

ResolveFenceposts resolves both maxSurge and maxUnavailable. This needs to happen in one step. For example:

2 desired, max unavailable 1%, surge 0% - should scale old(-1), then new(+1), then old(-1), then new(+1) 1 desired, max unavailable 1%, surge 0% - should scale old(-1), then new(+1) 2 desired, max unavailable 25%, surge 1% - should scale new(+1), then old(-1), then new(+1), then old(-1) 1 desired, max unavailable 25%, surge 1% - should scale new(+1), then old(-1) 2 desired, max unavailable 0%, surge 1% - should scale new(+1), then old(-1), then new(+1), then old(-1) 1 desired, max unavailable 0%, surge 1% - should scale new(+1), then old(-1)

func Revision

func Revision(obj runtime.Object) (int64, error)

Revision returns the revision number of the input object.

Types

This section is empty.

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