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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2016 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package client
import (
"bytes"
"encoding/json"
)
// aliasAction represents an action performed on aliases.
// With action "unalias" if Snap and Alias are set to the same value,
// snapd will check if what is referred to is indeed a snap or an alias.
type aliasAction struct {
Action string `json:"action"`
Snap string `json:"snap,omitempty"`
App string `json:"app,omitempty"`
Alias string `json:"alias,omitempty"`
}
// performAliasAction performs a single action on aliases.
func (client *Client) performAliasAction(sa *aliasAction) (changeID string, err error) {
b, err := json.Marshal(sa)
if err != nil {
return "", err
}
return client.doAsync("POST", "/v2/aliases", nil, nil, bytes.NewReader(b))
}
// Alias sets up a manual alias from alias to app in snapName.
func (client *Client) Alias(snapName, app, alias string) (changeID string, err error) {
return client.performAliasAction(&aliasAction{
Action: "alias",
Snap: snapName,
App: app,
Alias: alias,
})
}
// // DisableAllAliases disables all aliases of a snap, removing all manual ones.
func (client *Client) DisableAllAliases(snapName string) (changeID string, err error) {
return client.performAliasAction(&aliasAction{
Action: "unalias",
Snap: snapName,
})
}
// RemoveManualAlias removes a manual alias.
func (client *Client) RemoveManualAlias(alias string) (changeID string, err error) {
return client.performAliasAction(&aliasAction{
Action: "unalias",
Alias: alias,
})
}
// Unalias tears down a manual alias or disables all aliases of a snap (removing all manual ones)
func (client *Client) Unalias(aliasOrSnap string) (changeID string, err error) {
return client.performAliasAction(&aliasAction{
Action: "unalias",
Snap: aliasOrSnap,
Alias: aliasOrSnap,
})
}
// Prefer enables all aliases of a snap in preference to conflicting aliases
// of other snaps whose aliases will be disabled (removed for manual ones).
func (client *Client) Prefer(snapName string) (changeID string, err error) {
return client.performAliasAction(&aliasAction{
Action: "prefer",
Snap: snapName,
})
}
// AliasStatus represents the status of an alias.
type AliasStatus struct {
Command string `json:"command"`
Status string `json:"status"`
Manual string `json:"manual,omitempty"`
Auto string `json:"auto,omitempty"`
}
// Aliases returns a map snap -> alias -> AliasStatus for all snaps and aliases in the system.
func (client *Client) Aliases() (allStatuses map[string]map[string]AliasStatus, err error) {
_, err = client.doSync("GET", "/v2/aliases", nil, nil, nil, &allStatuses)
return
}
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