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add secret and configmap generator plugins
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| /* | ||
| Copyright 2019 The Kubernetes 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 plugin | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "plugin" | ||
| ) | ||
|
|
||
| var _ Factory = &goFactory{} | ||
|
|
||
| const ( | ||
| dir = "$HOME/.config/kustomize/plugins/kvsource" | ||
| ) | ||
|
|
||
| func newGoFactory() *goFactory { | ||
| return &goFactory{ | ||
| plugins: make(map[string]KVSource), | ||
| } | ||
| } | ||
|
|
||
| type goFactory struct { | ||
| plugins map[string]KVSource | ||
| } | ||
|
|
||
| func (p *goFactory) load(name string) (KVSource, error) { | ||
| if plug, ok := p.plugins[name]; ok { | ||
| return plug, nil | ||
| } | ||
|
|
||
| goPlugin, err := plugin.Open(fmt.Sprintf("%s/kustomize-%s.so", os.ExpandEnv(dir), name)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| symbol, err := goPlugin.Lookup("Plugin") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| plug, ok := symbol.(KVSource) | ||
| if !ok { | ||
| return nil, fmt.Errorf("plugin %s not found", name) | ||
| } | ||
|
|
||
| p.plugins[name] = plug | ||
| return plug, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| /* | ||
| Copyright 2019 The Kubernetes 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 plugin provides a plugin abstraction layer. | ||
| package plugin | ||
|
|
||
| import ( | ||
| "sigs.k8s.io/kustomize/k8sdeps/kv" | ||
| ) | ||
|
|
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| // KVSource is the interface for kv source plugins. | ||
| type KVSource interface { | ||
| Get(root string, args []string) ([]kv.Pair, error) | ||
| } | ||
|
|
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| // Factory is the interface for new kv source plugin implementations. | ||
| type Factory interface { | ||
| load(string) (KVSource, error) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /* | ||
| Copyright 2019 The Kubernetes 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 plugin | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "sigs.k8s.io/kustomize/pkg/ifc" | ||
| ) | ||
|
|
||
| // Registry holds all the plugin factories. | ||
| type Registry struct { | ||
| factories map[string]Factory | ||
| ldr ifc.Loader | ||
| } | ||
|
|
||
| // NewRegistry returns a new Registry loaded with all the factories. | ||
| func NewRegistry(ldr ifc.Loader) Registry { | ||
| return Registry{ | ||
| ldr: ldr, | ||
| factories: map[string]Factory{ | ||
| "go": newGoFactory(), | ||
| "testonly": newTestonlyFactory(), | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| // Load returns a plugin by type and name, | ||
| func (r *Registry) Load(pluginType, name string) (KVSource, error) { | ||
| factory, exists := r.factories[pluginType] | ||
| if !exists { | ||
| return nil, fmt.Errorf("%s is not a valid plugin type", pluginType) | ||
| } | ||
| return factory.load(name) | ||
| } | ||
|
|
||
| // Root returns the root of the plugins kustomization file. | ||
| func (r *Registry) Root() string { | ||
| return r.ldr.Root() | ||
| } |
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