101 lines
2.3 KiB
Go
101 lines
2.3 KiB
Go
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package task
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import (
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"context"
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"fmt"
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"io/fs"
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"os"
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"path/filepath"
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"cuelang.org/go/cue"
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bk "github.com/moby/buildkit/client"
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"github.com/rs/zerolog/log"
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"go.dagger.io/dagger/compiler"
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"go.dagger.io/dagger/plancontext"
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"go.dagger.io/dagger/solver"
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)
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func init() {
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Register("ClientFilesystemWrite", func() Task { return &clientFilesystemWriteTask{} })
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}
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type clientFilesystemWriteTask struct {
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}
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func (t clientFilesystemWriteTask) Run(ctx context.Context, pctx *plancontext.Context, s solver.Solver, v *compiler.Value) (*compiler.Value, error) {
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path, err := v.Lookup("path").String()
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if err != nil {
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return nil, err
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}
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path, err = filepath.Abs(path)
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if err != nil {
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return nil, err
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}
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if err := t.writeContents(ctx, pctx, s, v, path); err != nil {
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return nil, err
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}
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return compiler.NewValue(), nil
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}
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func (t clientFilesystemWriteTask) writeContents(ctx context.Context, pctx *plancontext.Context, s solver.Solver, v *compiler.Value, path string) error {
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lg := log.Ctx(ctx)
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contents := v.Lookup("contents")
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if plancontext.IsFSValue(contents) {
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lg.Debug().Str("path", path).Msg("writing files to local directory")
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return t.writeFS(ctx, pctx, s, contents, path)
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}
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permissions := fs.FileMode(0644) // default permission
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if vl := v.Lookup("permissions"); vl.Exists() {
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p, err := vl.Int64()
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if err != nil {
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return err
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}
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permissions = fs.FileMode(p)
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}
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if plancontext.IsSecretValue(contents) {
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lg.Debug().Str("path", path).Msg("writing secret to local file")
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secret, err := pctx.Secrets.FromValue(contents)
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if err != nil {
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return err
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}
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return os.WriteFile(path, []byte(secret.PlainText()), permissions)
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}
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k := contents.Kind()
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if k == cue.StringKind {
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lg.Debug().Str("path", path).Msg("writing to local file")
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text, err := contents.String()
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if err != nil {
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return err
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}
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return os.WriteFile(path, []byte(text), permissions)
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}
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return fmt.Errorf("unsupported type %q", k)
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}
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func (t clientFilesystemWriteTask) writeFS(ctx context.Context, pctx *plancontext.Context, s solver.Solver, v *compiler.Value, path string) error {
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contents, err := pctx.FS.FromValue(v)
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if err != nil {
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return err
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}
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st, err := contents.State()
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if err != nil {
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return err
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}
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_, err = s.Export(ctx, st, nil, bk.ExportEntry{
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Type: bk.ExporterLocal,
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OutputDir: path,
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}, pctx.Platform.Get())
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return err
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}
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