53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
// Sshwifty - A Web SSH client
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//
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// Copyright (C) 2019-2022 Ni Rui <ranqus@gmail.com>
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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 Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package configuration
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import (
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"fmt"
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"github.com/nirui/sshwifty/application/log"
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)
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const (
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redundantTypeName = "Redundant"
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)
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// Redundant creates a group of loaders. They will be executed one by one until
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// one of it successfully returned a configuration
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func Redundant(loaders ...Loader) Loader {
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return func(log log.Logger) (string, Configuration, error) {
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ll := log.Context("Redundant")
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for i := range loaders {
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lLoaderName, lCfg, lErr := loaders[i](ll)
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if lErr != nil {
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ll.Warning("Unable to load configuration from \"%s\": %s",
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lLoaderName, lErr)
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continue
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}
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return lLoaderName, lCfg, nil
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}
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return redundantTypeName, Configuration{}, fmt.Errorf(
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"all existing redundant loader has failed")
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}
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}
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