bb7afaf3ea
- internal/cmd/dev/cmd_file_sync.go: Add EnsureDir error handling before Copy - internal/cmd/docs/cmd_sync.go: Add EnsureDir error handling for parent dirs - internal/cmd/sdk/generators/go.go: Use log.E() helper instead of fmt.Errorf - pkg/io/local/client.go: Handle Windows drive-root paths in path() - pkg/log/errors.go: Avoid leading colon when Op is empty, preserve Code in Wrap - pkg/log/errors_test.go: Rename tests to follow _Good/_Bad/_Ugly suffix pattern - pkg/mcp/transport_tcp.go: Fix ctx cancellation, increase scanner buffer, use io.EOF Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
90 lines
2.3 KiB
Go
90 lines
2.3 KiB
Go
package generators
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import (
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"context"
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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coreio "github.com/host-uk/core/pkg/io"
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"github.com/host-uk/core/pkg/log"
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)
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// GoGenerator generates Go SDKs from OpenAPI specs.
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type GoGenerator struct{}
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// NewGoGenerator creates a new Go generator.
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func NewGoGenerator() *GoGenerator {
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return &GoGenerator{}
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}
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// Language returns the generator's target language identifier.
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func (g *GoGenerator) Language() string {
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return "go"
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}
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// Available checks if generator dependencies are installed.
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func (g *GoGenerator) Available() bool {
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_, err := exec.LookPath("oapi-codegen")
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return err == nil
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}
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// Install returns instructions for installing the generator.
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func (g *GoGenerator) Install() string {
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return "go install github.com/oapi-codegen/oapi-codegen/v2/cmd/oapi-codegen@latest"
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}
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// Generate creates SDK from OpenAPI spec.
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func (g *GoGenerator) Generate(ctx context.Context, opts Options) error {
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if err := coreio.Local.EnsureDir(opts.OutputDir); err != nil {
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return log.E("go.Generate", "failed to create output dir", err)
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}
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if g.Available() {
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return g.generateNative(ctx, opts)
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}
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return g.generateDocker(ctx, opts)
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}
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func (g *GoGenerator) generateNative(ctx context.Context, opts Options) error {
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outputFile := filepath.Join(opts.OutputDir, "client.go")
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cmd := exec.CommandContext(ctx, "oapi-codegen",
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"-package", opts.PackageName,
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"-generate", "types,client",
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"-o", outputFile,
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opts.SpecPath,
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)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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return log.E("go.generateNative", "oapi-codegen failed", err)
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}
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goMod := fmt.Sprintf("module %s\n\ngo 1.21\n", opts.PackageName)
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return coreio.Local.Write(filepath.Join(opts.OutputDir, "go.mod"), goMod)
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}
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func (g *GoGenerator) generateDocker(ctx context.Context, opts Options) error {
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specDir := filepath.Dir(opts.SpecPath)
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specName := filepath.Base(opts.SpecPath)
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args := []string{"run", "--rm"}
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args = append(args, dockerUserArgs()...)
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args = append(args,
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"-v", specDir+":/spec",
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"-v", opts.OutputDir+":/out",
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"openapitools/openapi-generator-cli", "generate",
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"-i", "/spec/"+specName,
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"-g", "go",
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"-o", "/out",
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"--additional-properties=packageName="+opts.PackageName,
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)
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cmd := exec.CommandContext(ctx, "docker", args...)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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return cmd.Run()
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}
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