Add V1 TaskRun Golang structs

This commit adds structs and validation for v1 TaskRun, including params,
resultRef and workspaces. This is copied from v1beta1 with the following exceptions:

- omitted TaskRunResources
   - This includes the `TaskRunInputs` and `TaskRunOutputs` and respective test
- omitted `CloudEventDeliveryState`
- renamed the Go fields of `StepState.ContainerName` to `StepState.Container`and
`SidecarState.ContainerName` to `SidecarState.Container` but not the api fields
- renamed `taskResults` to `results`

pkg/apis/pipeline/v1/pod.go

@@ -0,0 +1,112 @@
+/*
+Copyright 2022 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.
+*/
+
+package v1
+
+import "github.com/tektoncd/pipeline/pkg/apis/pipeline/pod"
+
+// PodTemplate holds pod specific configuration
+type PodTemplate = pod.Template
+
+// MergePodTemplateWithDefault merges 2 PodTemplates together. If the same
+// field is set on both templates, the value from tpl will overwrite the value
+// from defaultTpl.
+func MergePodTemplateWithDefault(tpl, defaultTpl *PodTemplate) *PodTemplate {
+	switch {
+	case defaultTpl == nil:
+		// No configured default, just return the template
+		return tpl
+	case tpl == nil:
+		// No template, just return the default template
+		return defaultTpl
+	default:
+		// Otherwise, merge fields
+		if tpl.NodeSelector == nil {
+			tpl.NodeSelector = defaultTpl.NodeSelector
+		}
+		if tpl.Tolerations == nil {
+			tpl.Tolerations = defaultTpl.Tolerations
+		}
+		if tpl.Affinity == nil {
+			tpl.Affinity = defaultTpl.Affinity
+		}
+		if tpl.SecurityContext == nil {
+			tpl.SecurityContext = defaultTpl.SecurityContext
+		}
+		if tpl.Volumes == nil {
+			tpl.Volumes = defaultTpl.Volumes
+		}
+		if tpl.RuntimeClassName == nil {
+			tpl.RuntimeClassName = defaultTpl.RuntimeClassName
+		}
+		if tpl.AutomountServiceAccountToken == nil {
+			tpl.AutomountServiceAccountToken = defaultTpl.AutomountServiceAccountToken
+		}
+		if tpl.DNSPolicy == nil {
+			tpl.DNSPolicy = defaultTpl.DNSPolicy
+		}
+		if tpl.DNSConfig == nil {
+			tpl.DNSConfig = defaultTpl.DNSConfig
+		}
+		if tpl.EnableServiceLinks == nil {
+			tpl.EnableServiceLinks = defaultTpl.EnableServiceLinks
+		}
+		if tpl.PriorityClassName == nil {
+			tpl.PriorityClassName = defaultTpl.PriorityClassName
+		}
+		if tpl.SchedulerName == "" {
+			tpl.SchedulerName = defaultTpl.SchedulerName
+		}
+		if tpl.ImagePullSecrets == nil {
+			tpl.ImagePullSecrets = defaultTpl.ImagePullSecrets
+		}
+		if tpl.HostAliases == nil {
+			tpl.HostAliases = defaultTpl.HostAliases
+		}
+		if tpl.HostNetwork == false && defaultTpl.HostNetwork == true {
+			tpl.HostNetwork = true
+		}
+		return tpl
+	}
+}
+
+// AAPodTemplate holds pod specific configuration for the affinity-assistant
+type AAPodTemplate = pod.AffinityAssistantTemplate
+
+// MergeAAPodTemplateWithDefault is the same as MergePodTemplateWithDefault but
+// for AffinityAssistantPodTemplates.
+func MergeAAPodTemplateWithDefault(tpl, defaultTpl *AAPodTemplate) *AAPodTemplate {
+	switch {
+	case defaultTpl == nil:
+		// No configured default, just return the template
+		return tpl
+	case tpl == nil:
+		// No template, just return the default template
+		return defaultTpl
+	default:
+		// Otherwise, merge fields
+		if tpl.NodeSelector == nil {
+			tpl.NodeSelector = defaultTpl.NodeSelector
+		}
+		if tpl.Tolerations == nil {
+			tpl.Tolerations = defaultTpl.Tolerations
+		}
+		if tpl.ImagePullSecrets == nil {
+			tpl.ImagePullSecrets = defaultTpl.ImagePullSecrets
+		}
+		return tpl
+	}
+}