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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| // Copyright 2023, Pulumi Corporation. | ||
| // | ||
| // 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. | ||
|
|
||
| // pulumi-converter-yaml is the "language converter" for Pulumi programs written in YAML or JSON. It is | ||
| // responsible for translating JSON/YAML templates into PCL. | ||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
| "log" | ||
|
|
||
| yamlgen "github.com/pulumi/pulumi-yaml/pkg/pulumiyaml/codegen" | ||
| "github.com/pulumi/pulumi/pkg/v3/codegen/pcl" | ||
| "github.com/pulumi/pulumi/pkg/v3/codegen/schema" | ||
| "github.com/pulumi/pulumi/sdk/v3/go/common/encoding" | ||
| "github.com/pulumi/pulumi/sdk/v3/go/common/resource/plugin" | ||
| "github.com/pulumi/pulumi/sdk/v3/go/common/util/contract" | ||
| "github.com/pulumi/pulumi/sdk/v3/go/common/util/rpcutil" | ||
| "github.com/pulumi/pulumi/sdk/v3/go/common/workspace" | ||
| pulumirpc "github.com/pulumi/pulumi/sdk/v3/proto/go" | ||
| "github.com/spf13/afero" | ||
| "google.golang.org/grpc" | ||
| ) | ||
|
|
||
| type yamlConverter struct { | ||
| } | ||
|
|
||
| func (*yamlConverter) Close() error { | ||
| return nil | ||
| } | ||
|
|
||
| func (*yamlConverter) ConvertState(ctx context.Context, | ||
| req *plugin.ConvertStateRequest, | ||
| ) (*plugin.ConvertStateResponse, error) { | ||
| return nil, errors.New("not implemented") | ||
| } | ||
|
|
||
| // writeProgram writes a project and pcl program to the given filesystem | ||
| func writeProgram(fs afero.Fs, proj *workspace.Project, program *pcl.Program) error { | ||
| contract.Requiref(fs != nil, "fs", "must not be nil") | ||
| contract.Requiref(proj != nil, "proj", "must not be nil") | ||
| contract.Requiref(program != nil, "program", "must not be nil") | ||
|
|
||
| err := program.WriteSource(fs) | ||
| if err != nil { | ||
| return fmt.Errorf("writing program: %w", err) | ||
| } | ||
|
|
||
| projBytes, err := encoding.YAML.Marshal(proj) | ||
| if err != nil { | ||
| return fmt.Errorf("marshaling project: %w", err) | ||
| } | ||
|
|
||
| err = afero.WriteFile(fs, "Pulumi.yaml", projBytes, 0o644) | ||
| if err != nil { | ||
| return fmt.Errorf("writing project: %w", err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (*yamlConverter) ConvertProgram(ctx context.Context, | ||
| req *plugin.ConvertProgramRequest, | ||
| ) (*plugin.ConvertProgramResponse, error) { | ||
| loader, err := schema.NewLoaderClient(req.LoaderTarget) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| proj, program, err := yamlgen.Eject(req.SourceDirectory, loader) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("load yaml program: %w", err) | ||
| } | ||
| fs := afero.NewBasePathFs(afero.NewOsFs(), req.TargetDirectory) | ||
| err = writeProgram(fs, proj, program) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("write program to intermediate directory: %w", err) | ||
| } | ||
|
|
||
| return &plugin.ConvertProgramResponse{}, nil | ||
| } | ||
|
|
||
| // Launches the converter RPC endpoint | ||
| func main() { | ||
| // Fire up a gRPC server, letting the kernel choose a free port for us. | ||
| handle, err := rpcutil.ServeWithOptions(rpcutil.ServeOptions{ | ||
| Init: func(srv *grpc.Server) error { | ||
| pulumirpc.RegisterConverterServer(srv, plugin.NewConverterServer(&yamlConverter{})) | ||
| return nil | ||
| }, | ||
| Options: rpcutil.OpenTracingServerInterceptorOptions(nil), | ||
| }) | ||
| if err != nil { | ||
| log.Fatalf("fatal: %v", err) | ||
| } | ||
|
|
||
| // The converter protocol requires that we now write out the port we have chosen to listen on. | ||
| fmt.Printf("%d\n", handle.Port) | ||
|
|
||
| // Finally, wait for the server to stop serving. | ||
| if err := <-handle.Done; err != nil { | ||
| log.Fatalf("fatal: %v", err) | ||
| } | ||
| } |
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