Add V1 TaskRun Golang structs

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

- omitted TaskRunResources
   - This includes the `TaskRunInputs` and `TaskRunOutputs` and respective test

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
+	}
+}

pkg/apis/pipeline/v1/taskref_types.go

@@ -39,4 +39,6 @@ type TaskKind string
 const (
 	// NamespacedTaskKind indicates that the task type has a namespaced scope.
 	NamespacedTaskKind TaskKind = "Task"
+	// ClusterTaskKind indicates that task type has a cluster scope.
+	ClusterTaskKind TaskKind = "ClusterTask"
 )

pkg/apis/pipeline/v1/taskrun_defaults.go

@@ -0,0 +1,72 @@
+/*
+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 (
+	"context"
+	"time"
+
+	"github.com/tektoncd/pipeline/pkg/apis/config"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"knative.dev/pkg/apis"
+)
+
+var _ apis.Defaultable = (*TaskRun)(nil)
+
+// ManagedByLabelKey is the label key used to mark what is managing this resource
+const ManagedByLabelKey = "app.kubernetes.io/managed-by"
+
+// SetDefaults implements apis.Defaultable
+func (tr *TaskRun) SetDefaults(ctx context.Context) {
+	ctx = apis.WithinParent(ctx, tr.ObjectMeta)
+	tr.Spec.SetDefaults(ctx)
+
+	// If the TaskRun doesn't have a managed-by label, apply the default
+	// specified in the config.
+	cfg := config.FromContextOrDefaults(ctx)
+	if tr.ObjectMeta.Labels == nil {
+		tr.ObjectMeta.Labels = map[string]string{}
+	}
+	if _, found := tr.ObjectMeta.Labels[ManagedByLabelKey]; !found {
+		tr.ObjectMeta.Labels[ManagedByLabelKey] = cfg.Defaults.DefaultManagedByLabelValue
+	}
+}
+
+// SetDefaults implements apis.Defaultable
+func (trs *TaskRunSpec) SetDefaults(ctx context.Context) {
+	cfg := config.FromContextOrDefaults(ctx)
+	if trs.TaskRef != nil && trs.TaskRef.Kind == "" {
+		trs.TaskRef.Kind = NamespacedTaskKind
+	}
+
+	if trs.Timeout == nil {
+		trs.Timeout = &metav1.Duration{Duration: time.Duration(cfg.Defaults.DefaultTimeoutMinutes) * time.Minute}
+	}
+
+	defaultSA := cfg.Defaults.DefaultServiceAccount
+	if trs.ServiceAccountName == "" && defaultSA != "" {
+		trs.ServiceAccountName = defaultSA
+	}
+
+	defaultPodTemplate := cfg.Defaults.DefaultPodTemplate
+	trs.PodTemplate = MergePodTemplateWithDefault(trs.PodTemplate, defaultPodTemplate)
+
+	// If this taskrun has an embedded task, apply the usual task defaults
+	if trs.TaskSpec != nil {
+		trs.TaskSpec.SetDefaults(ctx)
+	}
+}