mirror of
https://github.com/token2/snapd.git
synced 2026-03-13 11:15:47 -07:00
97 lines
2.9 KiB
Go
97 lines
2.9 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2020 Canonical Ltd
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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 version 3 as
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* published by the Free Software Foundation.
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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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*
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*/
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package daemon
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import (
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"encoding/json"
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"io"
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"net/http"
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"time"
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"github.com/snapcore/snapd/logger"
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"github.com/snapcore/snapd/overlord/auth"
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)
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var (
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routineConsoleConfStartCmd = &Command{
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Path: "/v2/internal/console-conf-start",
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POST: consoleConfStartRoutine,
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WriteAccess: authenticatedAccess{},
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}
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)
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var delayTime = 20 * time.Minute
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// consoleConfStartRoutineResult is the result of running the console-conf start
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// routine..
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type consoleConfStartRoutineResult struct {
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ActiveAutoRefreshChanges []string `json:"active-auto-refreshes,omitempty"`
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ActiveAutoRefreshSnaps []string `json:"active-auto-refresh-snaps,omitempty"`
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}
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func consoleConfStartRoutine(c *Command, r *http.Request, _ *auth.UserState) Response {
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// no body expected, error if we were provided anything
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defer r.Body.Close()
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var routineBody struct{}
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decoder := json.NewDecoder(r.Body)
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if err := decoder.Decode(&routineBody); err != nil && err != io.EOF {
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return BadRequest("cannot decode request body into console-conf operation: %v", err)
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}
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// now run the start routine first by trying to grab a lock on the refreshes
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// for all snaps, which fails if there are any active changes refreshing
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// snaps
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st := c.d.overlord.State()
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st.Lock()
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defer st.Unlock()
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snapAutoRefreshChanges, err := c.d.overlord.SnapManager().EnsureAutoRefreshesAreDelayed(delayTime)
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if err != nil {
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return InternalError(err.Error())
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}
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logger.Debugf("Ensured that new auto refreshes are delayed by %s to allow console-conf to run", delayTime)
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if len(snapAutoRefreshChanges) == 0 {
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// no changes yet, and we delayed the refresh successfully so
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// console-conf is okay to run normally
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return SyncResponse(&consoleConfStartRoutineResult{})
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}
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chgIds := make([]string, 0, len(snapAutoRefreshChanges))
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snapNames := make([]string, 0)
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for _, chg := range snapAutoRefreshChanges {
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chgIds = append(chgIds, chg.ID())
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var updatedSnaps []string
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err := chg.Get("snap-names", &updatedSnaps)
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if err != nil {
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return InternalError(err.Error())
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}
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snapNames = append(snapNames, updatedSnaps...)
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}
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// we have changes that the client should wait for before being ready
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return SyncResponse(&consoleConfStartRoutineResult{
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ActiveAutoRefreshChanges: chgIds,
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ActiveAutoRefreshSnaps: snapNames,
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})
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}
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