workspace

Documentation

Overview

Copyright 2020 The Tekton Authors

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index

• Constants
• func AddSidecarVolumeMount(sidecar *v1beta1.Sidecar, volumeMount corev1.VolumeMount)
• func Apply(ctx context.Context, ts v1beta1.TaskSpec, wb []v1beta1.WorkspaceBinding, ...) (*v1beta1.TaskSpec, error)
• func CreateVolumes(wb []v1beta1.WorkspaceBinding) map[string]corev1.Volume
• func ValidateBindings(decls []v1beta1.WorkspaceDeclaration, binds []v1beta1.WorkspaceBinding) error
• func ValidateOnlyOnePVCIsUsed(wb []v1beta1.WorkspaceBinding) error

Constants

const (
	// LabelInstance is used in combination with LabelComponent to configure PodAffinity for TaskRun pods
	LabelInstance = "app.kubernetes.io/instance"

	// LabelComponent is used to configure PodAntiAffinity to other Affinity Assistants
	LabelComponent                 = "app.kubernetes.io/component"
	ComponentNameAffinityAssistant = "affinity-assistant"

	// AnnotationAffinityAssistantName is used to pass the instance name of an Affinity Assistant to TaskRun pods
	AnnotationAffinityAssistantName = "pipeline.tekton.dev/affinity-assistant"
)

Functions

func AddSidecarVolumeMount

func AddSidecarVolumeMount(sidecar *v1beta1.Sidecar, volumeMount corev1.VolumeMount)

AddSidecarVolumeMount is a helper to add a volumeMount to the sidecar unless its MountPath would conflict with another of the sidecar's existing volume mounts.

func Apply

func Apply(ctx context.Context, ts v1beta1.TaskSpec, wb []v1beta1.WorkspaceBinding, v map[string]corev1.Volume) (*v1beta1.TaskSpec, error)

Apply will update the StepTemplate, Sidecars and Volumes declaration in ts so that the workspaces specified through wb combined with the declared workspaces in ts will be available for all Step and Sidecar containers in the resulting pod.

func CreateVolumes

func CreateVolumes(wb []v1beta1.WorkspaceBinding) map[string]corev1.Volume

CreateVolumes will return a dictionary where the keys are the names of the workspaces bound in wb and the value is a newly-created Volume to use. If the same Volume is bound twice, the resulting volumes will both have the same name to prevent the same Volume from being attached to a pod twice. The names of the returned volumes will be a short random string starting "ws-".

func ValidateBindings

func ValidateBindings(decls []v1beta1.WorkspaceDeclaration, binds []v1beta1.WorkspaceBinding) error

ValidateBindings will return an error if the bound workspaces in binds don't satisfy the declared workspaces in decls.

func ValidateOnlyOnePVCIsUsed

func ValidateOnlyOnePVCIsUsed(wb []v1beta1.WorkspaceBinding) error

ValidateOnlyOnePVCIsUsed checks that a list of WorkspaceBinding uses only one persistent volume claim.

This is only useful to validate that WorkspaceBindings in TaskRuns are compatible with affinity rules enforced by the AffinityAssistant.