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Refactor update checker to use AppState (#17387)

We have the `AppState` module now, it can store app related data easily. We do not need to create separate tables for each feature.

So the update checker can use `AppState` instead of a one-row dedicate table.

And the code of update checker is moved from `models` to `modules`.
This commit is contained in:
wxiaoguang 2021-10-22 00:10:49 +08:00 committed by GitHub
parent 67561e79f1
commit 960c322586
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6 changed files with 48 additions and 61 deletions

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@ -351,9 +351,11 @@ var migrations = []Migration{
// v198 -> v199
NewMigration("Add issue content history table", addTableIssueContentHistory),
// v199 -> v200
NewMigration("Add remote version table", addRemoteVersionTable),
NewMigration("No-op (remote version is using AppState now)", addRemoteVersionTableNoop),
// v200 -> v201
NewMigration("Add table app_state", addTableAppState),
// v201 -> v202
NewMigration("Drop table remote_version (if exists)", dropTableRemoteVersion),
}
// GetCurrentDBVersion returns the current db version

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@ -5,19 +5,10 @@
package migrations
import (
"fmt"
"xorm.io/xorm"
)
func addRemoteVersionTable(x *xorm.Engine) error {
type RemoteVersion struct {
ID int64 `xorm:"pk autoincr"`
Version string `xorm:"VARCHAR(50)"`
}
if err := x.Sync2(new(RemoteVersion)); err != nil {
return fmt.Errorf("Sync2: %v", err)
}
func addRemoteVersionTableNoop(x *xorm.Engine) error {
// we used to use a table `remote_version` to store information for updater, now we use `AppState`, so this migration task is a no-op now.
return nil
}

15
models/migrations/v201.go Normal file
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@ -0,0 +1,15 @@
// Copyright 2021 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package migrations
import (
"xorm.io/xorm"
)
func dropTableRemoteVersion(x *xorm.Engine) error {
// drop the orphaned table introduced in `v199`, now the update checker also uses AppState, do not need this table
_ = x.DropTables("remote_version")
return nil
}

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@ -11,6 +11,7 @@ import (
"code.gitea.io/gitea/models"
repo_module "code.gitea.io/gitea/modules/repository"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/updatechecker"
)
func registerDeleteInactiveUsers() {
@ -145,7 +146,7 @@ func registerUpdateGiteaChecker() {
HTTPEndpoint: "https://dl.gitea.io/gitea/version.json",
}, func(ctx context.Context, _ *models.User, config Config) error {
updateCheckerConfig := config.(*UpdateCheckerConfig)
return models.GiteaUpdateChecker(updateCheckerConfig.HTTPEndpoint)
return updatechecker.GiteaUpdateChecker(updateCheckerConfig.HTTPEndpoint)
})
}

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@ -2,29 +2,28 @@
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
package updatechecker
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/appstate"
"code.gitea.io/gitea/modules/proxy"
"code.gitea.io/gitea/modules/setting"
"github.com/hashicorp/go-version"
)
// RemoteVersion stores the remote version from the JSON endpoint
type RemoteVersion struct {
ID int64 `xorm:"pk autoincr"`
Version string `xorm:"VARCHAR(50)"`
// CheckerState stores the remote version from the JSON endpoint
type CheckerState struct {
LatestVersion string
}
func init() {
db.RegisterModel(new(RemoteVersion))
// Name returns the name of the state item for update checker
func (r *CheckerState) Name() string {
return "update-checker"
}
// GiteaUpdateChecker returns error when new version of Gitea is available
@ -49,60 +48,33 @@ func GiteaUpdateChecker(httpEndpoint string) error {
return err
}
type v struct {
type respType struct {
Latest struct {
Version string `json:"version"`
} `json:"latest"`
}
ver := v{}
err = json.Unmarshal(body, &ver)
respData := respType{}
err = json.Unmarshal(body, &respData)
if err != nil {
return err
}
return UpdateRemoteVersion(ver.Latest.Version)
return UpdateRemoteVersion(respData.Latest.Version)
}
// UpdateRemoteVersion updates the latest available version of Gitea
func UpdateRemoteVersion(version string) (err error) {
sess := db.NewSession(db.DefaultContext)
defer sess.Close()
if err = sess.Begin(); err != nil {
return err
}
currentVersion := &RemoteVersion{ID: 1}
has, err := sess.Get(currentVersion)
if err != nil {
return fmt.Errorf("get: %v", err)
} else if !has {
currentVersion.ID = 1
currentVersion.Version = version
if _, err = sess.InsertOne(currentVersion); err != nil {
return fmt.Errorf("insert: %v", err)
}
return nil
}
if _, err = sess.Update(&RemoteVersion{ID: 1, Version: version}); err != nil {
return err
}
return sess.Commit()
return appstate.AppState.Set(&CheckerState{LatestVersion: version})
}
// GetRemoteVersion returns the current remote version (or currently installed verson if fail to fetch from DB)
func GetRemoteVersion() string {
e := db.GetEngine(db.DefaultContext)
v := &RemoteVersion{ID: 1}
_, err := e.Get(&v)
if err != nil {
// return current version if fail to fetch from DB
return setting.AppVer
item := new(CheckerState)
if err := appstate.AppState.Get(item); err != nil {
return ""
}
return v.Version
return item.LatestVersion
}
// GetNeedUpdate returns true whether a newer version of Gitea is available
@ -112,7 +84,12 @@ func GetNeedUpdate() bool {
// return false to fail silently
return false
}
remoteVer, err := version.NewVersion(GetRemoteVersion())
remoteVerStr := GetRemoteVersion()
if remoteVerStr == "" {
// no remote version is known
return false
}
remoteVer, err := version.NewVersion(remoteVerStr)
if err != nil {
// return false to fail silently
return false

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@ -26,6 +26,7 @@ import (
"code.gitea.io/gitea/modules/queue"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/updatechecker"
"code.gitea.io/gitea/modules/web"
"code.gitea.io/gitea/services/forms"
"code.gitea.io/gitea/services/mailer"
@ -125,8 +126,8 @@ func Dashboard(ctx *context.Context) {
ctx.Data["PageIsAdmin"] = true
ctx.Data["PageIsAdminDashboard"] = true
ctx.Data["Stats"] = models.GetStatistic()
ctx.Data["NeedUpdate"] = models.GetNeedUpdate()
ctx.Data["RemoteVersion"] = models.GetRemoteVersion()
ctx.Data["NeedUpdate"] = updatechecker.GetNeedUpdate()
ctx.Data["RemoteVersion"] = updatechecker.GetRemoteVersion()
// FIXME: update periodically
updateSystemStatus()
ctx.Data["SysStatus"] = sysStatus