54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package task
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import (
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"context"
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"fmt"
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"os"
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"cuelang.org/go/cue"
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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("client.env.*", func() Task { return &clientEnvTask{} })
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}
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type clientEnvTask struct {
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}
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func (t clientEnvTask) Run(ctx context.Context, pctx *plancontext.Context, _ solver.Solver, v *compiler.Value) (*compiler.Value, error) {
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lg := log.Ctx(ctx)
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envvar := v.ParentLabel(1)
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lg.Debug().Str("envvar", envvar).Msg("loading environment variable")
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env := os.Getenv(envvar)
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if env == "" {
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return nil, fmt.Errorf("environment variable %q not set", envvar)
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}
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// Resolve default in disjunction if a type hasn't been specified
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val, _ := v.Default()
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out := compiler.NewValue()
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if plancontext.IsSecretValue(val) {
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secret := pctx.Secrets.New(env)
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return out.Fill(secret.MarshalCUE())
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}
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if val.IsConcrete() {
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return nil, fmt.Errorf("unexpected concrete value, please use a type")
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}
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k := val.IncompleteKind()
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if k == cue.StringKind {
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return out.Fill(env)
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}
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return nil, fmt.Errorf("unsupported type %q", k)
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}
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