43 lines
963 B
Go
43 lines
963 B
Go
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// Copyright 2019 Drone.IO Inc. All rights reserved.
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// Use of this source code is governed by the Drone Non-Commercial License
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// that can be found in the LICENSE file.
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package config
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import (
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"context"
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"errors"
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"github.com/drone/drone/core"
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)
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// error returned when no configured found.
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var errNotFound = errors.New("configuration: not found")
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// Combine combines the config services, allowing the system
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// to source pipeline configuration from multiple sources.
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func Combine(services ...core.ConfigService) core.ConfigService {
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return &combined{services}
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}
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type combined struct {
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sources []core.ConfigService
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}
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func (c *combined) Find(ctx context.Context, req *core.ConfigArgs) (*core.Config, error) {
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for _, source := range c.sources {
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config, err := source.Find(ctx, req)
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if err != nil {
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return nil, err
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}
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if config == nil {
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continue
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}
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if config.Data == "" {
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continue
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}
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return config, nil
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}
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return nil, errNotFound
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}
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