9bf5687311
* vendor github.com/jmoiron/sqlx * MM-11262: introduce a database store * revert unnecessary fmt.Errorf * simplify unit test helper methods * remote TODO re: retry * relocate initializeConfigurationsTable for clarity * factor out a commonStore * acquire database config lock on close for safety * add missing header * fix lock comment
53 строки
1.6 KiB
Go
53 строки
1.6 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See License.txt for license information.
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package config
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import (
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"strings"
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"github.com/mattermost/mattermost-server/model"
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)
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// Listener is a callback function invoked when the configuration changes.
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type Listener func(oldConfig *model.Config, newConfig *model.Config)
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// Store abstracts the act of getting and setting the configuration.
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type Store interface {
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// Get fetches the current, cached configuration.
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Get() *model.Config
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// GetEnvironmentOverrides fetches the configuration fields overridden by environment variables.
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GetEnvironmentOverrides() map[string]interface{}
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// Set replaces the current configuration in its entirety, without updating the backing store.
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Set(*model.Config) (*model.Config, error)
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// Load updates the current configuration from the backing store, possibly initializing.
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Load() (err error)
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// Save writes the current configuration to the backing store.
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Save() error
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// AddListener adds a callback function to invoke when the configuration is modified.
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AddListener(listener Listener) string
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// RemoveListener removes a callback function using an id returned from AddListener.
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RemoveListener(id string)
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// String describes the backing store for the config.
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String() string
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// Close cleans up resources associated with the store.
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Close() error
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}
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// NewStore creates a database or file store given a data source name by which to connect.
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func NewStore(dsn string, watch bool) (Store, error) {
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if strings.HasPrefix(dsn, "mysql://") || strings.HasPrefix(dsn, "postgres://") {
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return NewDatabaseStore(dsn)
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}
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return NewFileStore(dsn, watch)
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}
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