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pipeline_conversion.go
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pipeline_conversion.go
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/*
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.
*/
// nolint: golint
package v1alpha1
import (
"context"
"fmt"
"github.com/tektoncd/pipeline/pkg/apis/pipeline/v1beta1"
"knative.dev/pkg/apis"
)
const FinallyFieldName = "finally"
var _ apis.Convertible = (*Pipeline)(nil)
// ConvertTo implements api.Convertible
func (source *Pipeline) ConvertTo(ctx context.Context, obj apis.Convertible) error {
switch sink := obj.(type) {
case *v1beta1.Pipeline:
sink.ObjectMeta = source.ObjectMeta
return source.Spec.ConvertTo(ctx, &sink.Spec)
default:
return fmt.Errorf("unknown version, got: %T", sink)
}
}
func (source *PipelineSpec) ConvertTo(ctx context.Context, sink *v1beta1.PipelineSpec) error {
sink.Resources = source.Resources
sink.Params = source.Params
sink.Workspaces = source.Workspaces
sink.Description = source.Description
if len(source.Tasks) > 0 {
sink.Tasks = make([]v1beta1.PipelineTask, len(source.Tasks))
for i := range source.Tasks {
if err := source.Tasks[i].ConvertTo(ctx, &sink.Tasks[i]); err != nil {
return err
}
}
}
sink.Finally = nil
return nil
}
func (source *PipelineTask) ConvertTo(ctx context.Context, sink *v1beta1.PipelineTask) error {
sink.Name = source.Name
sink.TaskRef = source.TaskRef
if source.TaskSpec != nil {
sink.TaskSpec = &v1beta1.EmbeddedTask{TaskSpec: &v1beta1.TaskSpec{}}
if err := source.TaskSpec.ConvertTo(ctx, sink.TaskSpec.TaskSpec); err != nil {
return err
}
}
sink.Conditions = source.Conditions
sink.Retries = source.Retries
sink.RunAfter = source.RunAfter
sink.Resources = source.Resources
sink.Params = source.Params
sink.Workspaces = source.Workspaces
sink.Timeout = source.Timeout
return nil
}
// ConvertFrom implements api.Convertible
func (sink *Pipeline) ConvertFrom(ctx context.Context, obj apis.Convertible) error {
switch source := obj.(type) {
case *v1beta1.Pipeline:
sink.ObjectMeta = source.ObjectMeta
return sink.Spec.ConvertFrom(ctx, source.Spec)
default:
return fmt.Errorf("unknown version, got: %T", sink)
}
}
func (sink *PipelineSpec) ConvertFrom(ctx context.Context, source v1beta1.PipelineSpec) error {
sink.Resources = source.Resources
sink.Params = source.Params
sink.Workspaces = source.Workspaces
sink.Description = source.Description
if len(source.Tasks) > 0 {
sink.Tasks = make([]PipelineTask, len(source.Tasks))
for i := range source.Tasks {
if err := sink.Tasks[i].ConvertFrom(ctx, source.Tasks[i]); err != nil {
return err
}
}
}
// finally clause was introduced in v1beta1 and not available in v1alpha1
if len(source.Finally) > 0 {
return ConvertErrorf(FinallyFieldName, ConversionErrorFieldNotAvailableMsg)
}
return nil
}
func (sink *PipelineTask) ConvertFrom(ctx context.Context, source v1beta1.PipelineTask) error {
sink.Name = source.Name
sink.TaskRef = source.TaskRef
if source.TaskSpec != nil {
sink.TaskSpec = &TaskSpec{}
if err := sink.TaskSpec.ConvertFrom(ctx, source.TaskSpec.TaskSpec); err != nil {
return err
}
}
sink.Conditions = source.Conditions
sink.Retries = source.Retries
sink.RunAfter = source.RunAfter
sink.Resources = source.Resources
sink.Params = source.Params
sink.Workspaces = source.Workspaces
sink.Timeout = source.Timeout
return nil
}