61 lines
1.7 KiB
Go
61 lines
1.7 KiB
Go
// Mgmt
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// Copyright (C) 2013-2024+ James Shubin and the project contributors
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// Written by James Shubin <james@shubin.ca> and the project contributors
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package core
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import (
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"fmt"
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"github.com/purpleidea/mgmt/lang/funcs/simplepoly"
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"github.com/purpleidea/mgmt/lang/types"
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)
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func init() {
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simplepoly.Register("panic", []*types.FuncValue{
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{
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T: types.NewType("func(x bool) bool"),
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V: Panic,
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},
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{
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T: types.NewType("func(x str) bool"),
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V: Panic,
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},
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})
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}
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// Panic returns an error when it receives a non-empty string or a true boolean.
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// The error should cause the function engine to shutdown. If there's no error,
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// it returns false.
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func Panic(input []types.Value) (types.Value, error) {
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switch k := input[0].Type().Kind; k {
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case types.KindBool:
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if input[0].Bool() {
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return nil, fmt.Errorf("bool panic occurred")
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}
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case types.KindStr:
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if s := input[0].Str(); s != "" {
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return nil, fmt.Errorf("str panic occurred: %s", s)
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}
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default:
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return nil, fmt.Errorf("unsupported kind: %+v", k)
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}
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return &types.BoolValue{
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V: false,
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}, nil
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}
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