package mutator import ( "context" "fmt" "github.com/databricks/cli/bundle" "github.com/databricks/cli/libs/dyn" ) type environmentsToTargets struct{} func EnvironmentsToTargets() bundle.Mutator { return &environmentsToTargets{} } func (m *environmentsToTargets) Name() string { return "EnvironmentsToTargets" } func (m *environmentsToTargets) Apply(ctx context.Context, b *bundle.Bundle) error { // Short circuit if the "environments" key is not set. // This is the common case. if b.Config.Environments == nil { return nil } // The "environments" key is set; validate and rewrite it to "targets". return b.Config.Mutate(func(v dyn.Value) (dyn.Value, error) { environments := v.Get("environments") targets := v.Get("targets") // Return an error if both "environments" and "targets" are set. if environments != dyn.NilValue && targets != dyn.NilValue { return dyn.NilValue, fmt.Errorf( "both 'environments' and 'targets' are specified; only 'targets' should be used: %s", environments.Location().String(), ) } // Rewrite "environments" to "targets". if environments != dyn.NilValue && targets == dyn.NilValue { nv, err := dyn.Set(v, "targets", environments) if err != nil { return dyn.NilValue, err } // Drop the "environments" key. return dyn.Walk(nv, func(p dyn.Path, v dyn.Value) (dyn.Value, error) { switch len(p) { case 0: return v, nil case 1: if p[0] == dyn.Key("environments") { return v, dyn.ErrDrop } } return v, dyn.ErrSkip }) } return v, nil }) }