mirror of https://github.com/istio/istio.io.git
84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
// Copyright Istio Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package istioio
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import (
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"fmt"
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"path/filepath"
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"istio.io/istio/pkg/test/util/yml"
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)
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var _ Step = YamlResources{}
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// YamlResources is a test step that generates individual snippets for resources within a given
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// YAML document.
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type YamlResources struct {
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// BaseName for the generated snippets. If not provided, the base name of Input will be used.
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BaseName string
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// Input YAML document.
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Input InputSelector
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// ResourceNames provides the names of the resources for which to generate snippets.
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ResourceNames []string
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}
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func (s YamlResources) run(ctx Context) {
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input := s.Input.SelectInput(ctx)
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content, err := input.ReadAll()
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if err != nil {
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ctx.Fatalf("failed reading YAML input %s: %v", input.Name(), err)
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}
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parts, err := yml.Parse(content)
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if err != nil {
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ctx.Fatalf("failed parsing YAML input %s: %v", input.Name(), err)
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}
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// Get the base name for the snippets.
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baseName := s.BaseName
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if baseName == "" {
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baseName = filepath.Base(input.Name())
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}
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for _, resourceName := range s.ResourceNames {
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found := false
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snippetName := fmt.Sprintf("%s_%s.yaml", baseName, resourceName)
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for _, part := range parts {
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if part.Descriptor.Metadata.Name == resourceName {
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found = true
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// Generate a snippet for this resource.
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Snippet{
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Name: snippetName,
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Syntax: "yaml",
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Input: Inline{
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FileName: snippetName,
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Value: part.Contents,
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},
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}.run(ctx)
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break
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}
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}
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if !found {
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ctx.Fatalf("failed to find YAML resource %s from input %s", resourceName, input.Name)
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}
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}
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}
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