/
update.go
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/
update.go
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//
// Copyright © 2016-2017 Ikey Doherty <ikey@solus-project.com>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package builder
import (
log "github.com/Sirupsen/logrus"
"github.com/solus-project/libosdev/disk"
"os"
)
func (b *BackingImage) updatePackages(notif PidNotifier, pkgManager *EopkgManager) error {
log.Debug("Initialising package manager")
if err := pkgManager.Init(); err != nil {
log.WithFields(log.Fields{
"error": err,
}).Error("Failed to initialise package manager")
return err
}
// Bring up dbus to do Things
log.Debug("Starting D-BUS")
if err := pkgManager.StartDBUS(); err != nil {
log.WithFields(log.Fields{
"error": err,
}).Error("Failed to start d-bus")
return err
}
log.Debug("Upgrading builder image")
if err := pkgManager.Upgrade(); err != nil {
log.WithFields(log.Fields{
"error": err,
}).Error("Failed to perform upgrade")
return err
}
log.Debug("Asserting system.devel component")
if err := pkgManager.InstallComponent("system.devel"); err != nil {
log.WithFields(log.Fields{
"error": err,
}).Error("Failed to install system.devel")
return err
}
// Cleanup now
log.Debug("Stopping D-BUS")
if err := pkgManager.StopDBUS(); err != nil {
log.WithFields(log.Fields{
"error": err,
}).Error("Failed to stop d-bus")
return err
}
return nil
}
// Update will attempt to update the backing image to the latest version
// internally.
func (b *BackingImage) Update(notif PidNotifier, pkgManager *EopkgManager) error {
mountMan := disk.GetMountManager()
log.WithFields(log.Fields{
"image": b.Name,
}).Debug("Updating backing image")
if !PathExists(b.RootDir) {
if err := os.MkdirAll(b.RootDir, 00755); err != nil {
log.WithFields(log.Fields{
"error": err,
}).Error("Failed to create required directories")
return err
}
log.WithFields(log.Fields{
"dir": b.RootDir,
}).Debug("Created root directory")
}
log.WithFields(log.Fields{
"image": b.ImagePath,
"root": b.RootDir,
}).Debug("Mounting rootfs")
// Mount the rootfs
if err := mountMan.Mount(b.ImagePath, b.RootDir, "auto", "loop"); err != nil {
log.WithFields(log.Fields{
"image": b.ImagePath,
"error": err,
}).Error("Failed to mount rootfs")
return err
}
if err := EnsureEopkgLayout(b.RootDir); err != nil {
log.WithFields(log.Fields{
"image": b.ImagePath,
"error": err,
}).Error("Failed to fix filesystem layout")
return err
}
// Hand over to package management to do the updates
if err := b.updatePackages(notif, pkgManager); err != nil {
return err
}
// Lastly, add the user
if err := AddBuildUser(b.RootDir); err != nil {
return err
}
log.WithFields(log.Fields{
"profile": b.Name,
}).Debug("Image successfully updated")
return nil
}