-
Notifications
You must be signed in to change notification settings - Fork 2.3k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
28cb6da
commit f6e01cf
Showing
11 changed files
with
263 additions
and
108 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file was deleted.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,140 @@ | ||
| /* | ||
| 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 plugins | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "sigs.k8s.io/kustomize/pkg/types" | ||
| "strings" | ||
|
|
||
| "github.com/ghodss/yaml" | ||
| "sigs.k8s.io/kustomize/pkg/ifc" | ||
| "sigs.k8s.io/kustomize/pkg/pgmconfig" | ||
| "sigs.k8s.io/kustomize/pkg/resmap" | ||
| ) | ||
|
|
||
| // ExecPlugin record the name and args of an executable | ||
| // It triggers the executable generator and transformer | ||
| type ExecPlugin struct { | ||
| // name of the executable | ||
| name string | ||
|
|
||
| // one line of arguments for the executable | ||
| argOneLiner string | ||
|
|
||
| // relative file path to a file | ||
| // Each line of this file is treated as one argument | ||
| argsFromFile string | ||
|
|
||
| // resmap Factory to make resources | ||
| rf *resmap.Factory | ||
|
|
||
| // loader to load files | ||
| ldr ifc.Loader | ||
| } | ||
|
|
||
| func (p *ExecPlugin) Config( | ||
| ldr ifc.Loader, rf *resmap.Factory, k ifc.Kunstructured) error { | ||
| dir := filepath.Join(pgmconfig.ConfigRoot(), "plugins") | ||
| id := k.GetGvk() | ||
| p.name = filepath.Join(dir, id.Group, id.Version, id.Kind) | ||
| p.rf = rf | ||
| p.ldr = ldr | ||
|
|
||
| var err error | ||
| p.argOneLiner, err = k.GetFieldValue("arg") | ||
| if err != nil && !isNoFieldError(err) { | ||
| return err | ||
| } | ||
| p.argsFromFile, err = k.GetFieldValue("file") | ||
| if err != nil && !isNoFieldError(err) { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (p *ExecPlugin) Generate() (resmap.ResMap, error) { | ||
| args, err := p.getArgs() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| cmd := exec.Command(p.name, args...) | ||
| cmd.Env = os.Environ() | ||
| cmd.Stderr = os.Stderr | ||
| output, err := cmd.Output() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return p.rf.NewResMapFromBytes(output) | ||
| } | ||
|
|
||
| func (p *ExecPlugin) Transform(rm resmap.ResMap) error { | ||
| args, err := p.getArgs() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| for id, r := range rm { | ||
| content, err := yaml.Marshal(r.Kunstructured) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| cmd := exec.Command(p.name, args...) | ||
| cmd.Env = os.Environ() | ||
| cmd.Stdin = bytes.NewReader(content) | ||
| cmd.Stderr = os.Stderr | ||
| output, err := cmd.Output() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| tmpMap, err := p.rf.NewResMapFromBytes(output) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if len(tmpMap) != 1 { | ||
| return fmt.Errorf("Unable to put two resources into one") | ||
| } | ||
| for _, v := range tmpMap { | ||
| rm[id].Kunstructured = v.Kunstructured | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (p *ExecPlugin) getArgs() ([]string, error) { | ||
| args := strings.Split(p.argOneLiner, " ") | ||
| if p.argsFromFile != "" { | ||
| content, err := p.ldr.Load(p.argsFromFile) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| args = append(args, strings.Split(string(content), "\n")...) | ||
| } | ||
| return args, nil | ||
| } | ||
|
|
||
| func isNoFieldError(e error) bool { | ||
| _, ok := e.(types.NoFieldError) | ||
| if ok { | ||
| return true | ||
| } | ||
| return false | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.