-
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.
add a wasm krm function implement with wasip1
- Loading branch information
Showing
7 changed files
with
98 additions
and
0 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
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| package wasip1 | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| "path/filepath" | ||
|
|
||
| "sigs.k8s.io/kustomize/kyaml/fn/runtime/runtimeutil" | ||
| "sigs.k8s.io/kustomize/kyaml/kio" | ||
| "sigs.k8s.io/kustomize/kyaml/yaml" | ||
|
|
||
| "github.com/tetratelabs/wazero" | ||
| "github.com/tetratelabs/wazero/imports/wasi_snapshot_preview1" | ||
| ) | ||
|
|
||
| var _ kio.Filter = &Filter{} | ||
|
|
||
| type Filter struct { | ||
| runtimeutil.Wasip1Spec `json:",inline" yaml:",inline"` | ||
|
|
||
| WorkingDir string `yaml:"workingDir,omitempty"` | ||
|
|
||
| runtimeutil.FunctionFilter | ||
| } | ||
|
|
||
| func (c *Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) { | ||
| c.FunctionFilter.Run = c.Run | ||
| return c.FunctionFilter.Filter(nodes) //nolint:wrapcheck | ||
| } | ||
|
|
||
| func (c *Filter) Run(reader io.Reader, writer io.Writer) error { | ||
| // Create a new runtime | ||
| ctx := context.Background() | ||
| r := wazero.NewRuntime(ctx) | ||
| defer r.Close(ctx) | ||
|
|
||
| // Import the WASI snapshot preview1 module | ||
| wasi_snapshot_preview1.MustInstantiate(ctx, r) | ||
|
|
||
| // Load the WASI binary from the filesystem | ||
| wasmBytes, err := os.ReadFile(filepath.Join(c.WorkingDir, c.File)) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to read wasi binary(path: '%s'): %w", c.File, err) | ||
| } | ||
|
|
||
| // Create a new module config with stdin and stdout | ||
| config := wazero.NewModuleConfig().WithStdin(reader).WithStdout(writer) | ||
|
|
||
| // It will not work unless program name (arg[0]) is set. | ||
| module, err := r.InstantiateWithConfig(ctx, wasmBytes, config.WithArgs("krm")) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to wasip1 instantiate module: %w", err) | ||
| } | ||
| defer module.Close(ctx) | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // NewWasmFilter returns a new wasm filter | ||
| func NewWasmFilter(spec runtimeutil.Wasip1Spec) *Filter { | ||
| return &Filter{Wasip1Spec: spec} | ||
| } |
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 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 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