ca1a3a2d0b
Plugin extended to support new kustomize plugin framework which consider each plugin as a container Change-Id: If55b7093f711401165b7d4fd3f5b1059fde464ff Relates-To: #340
98 lines
2.7 KiB
Go
98 lines
2.7 KiB
Go
/*
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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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https://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package kyamlutils
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import (
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"fmt"
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"strings"
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"sigs.k8s.io/kustomize/kyaml/kio"
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"sigs.k8s.io/kustomize/kyaml/kio/filters"
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"sigs.k8s.io/kustomize/kyaml/yaml"
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)
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var _ kio.Filter = DocumentSelector{}
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// DocumentSelector RNode objects
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type DocumentSelector struct {
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filters []kio.Filter
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}
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// Filters return list of defined filters for the selector
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func (f DocumentSelector) Filters() []kio.Filter {
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return f.filters
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}
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func (f DocumentSelector) byPath(path []string, val string) DocumentSelector {
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// Need to have exact match of the value since grep filter considers Value
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// as a regular expression
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f.filters = append(f.filters, filters.GrepFilter{Path: path, Value: "^" + val + "$"})
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return f
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}
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// ByKey adds filter by specific yaml manifest key and value
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func (f DocumentSelector) ByKey(key, val string) DocumentSelector {
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return f.byPath([]string{key}, val)
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}
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// ByAPIVersion adds filter by 'apiVersion' field value
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func (f DocumentSelector) ByAPIVersion(apiver string) DocumentSelector {
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if apiver != "" {
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return f.ByKey(yaml.APIVersionField, apiver)
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}
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return f
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}
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// ByGVK adds filters by 'apiVersion' and 'kind; field values
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func (f DocumentSelector) ByGVK(group, version, kind string) DocumentSelector {
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apiver := fmt.Sprintf("%s/%s", group, version)
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// Remove '/' if group or version is empty
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apiver = strings.TrimPrefix(apiver, "/")
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apiver = strings.TrimSuffix(apiver, "/")
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newFlt := f.ByAPIVersion(apiver)
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if kind != "" {
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return newFlt.ByKey(yaml.KindField, kind)
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}
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return newFlt
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}
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// ByName adds filter by 'metadata.name' field value
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func (f DocumentSelector) ByName(name string) DocumentSelector {
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if name != "" {
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return f.byPath([]string{yaml.MetadataField, yaml.NameField}, name)
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}
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return f
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}
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// ByNamespace adds filter by 'metadata.namespace' field value
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func (f DocumentSelector) ByNamespace(ns string) DocumentSelector {
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if ns != "" {
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return f.byPath([]string{yaml.MetadataField, yaml.NamespaceField}, ns)
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}
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return f
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}
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// Filter RNode objects
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func (f DocumentSelector) Filter(items []*yaml.RNode) (result []*yaml.RNode, err error) {
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result = items
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for i := range f.filters {
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result, err = f.filters[i].Filter(result)
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if err != nil {
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return nil, err
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}
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}
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return result, nil
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}
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