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apt_upgrade.go
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apt_upgrade.go
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// Copyright 2019 Google Inc. All Rights Reserved.
//
// 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 ospatch
import (
"context"
"fmt"
"github.com/GoogleCloudPlatform/osconfig/clog"
"github.com/GoogleCloudPlatform/osconfig/packages"
)
type aptGetUpgradeOpts struct {
exclusivePackages []string
excludes []*Exclude
upgradeType packages.AptUpgradeType
dryrun bool
}
// AptGetUpgradeOption is an option for apt-get update.
type AptGetUpgradeOption func(*aptGetUpgradeOpts)
// AptGetUpgradeType returns a AptGetUpgradeOption that specifies upgrade type.
func AptGetUpgradeType(upgradeType packages.AptUpgradeType) AptGetUpgradeOption {
return func(args *aptGetUpgradeOpts) {
args.upgradeType = upgradeType
}
}
// AptGetExcludes excludes these packages from upgrade.
func AptGetExcludes(excludes []*Exclude) AptGetUpgradeOption {
return func(args *aptGetUpgradeOpts) {
args.excludes = excludes
}
}
// AptGetExclusivePackages includes only these packages in the upgrade.
func AptGetExclusivePackages(exclusivePackages []string) AptGetUpgradeOption {
return func(args *aptGetUpgradeOpts) {
args.exclusivePackages = exclusivePackages
}
}
// AptGetDryRun performs a dry run.
func AptGetDryRun(dryrun bool) AptGetUpgradeOption {
return func(args *aptGetUpgradeOpts) {
args.dryrun = dryrun
}
}
// RunAptGetUpgrade runs apt-get upgrade.
func RunAptGetUpgrade(ctx context.Context, opts ...AptGetUpgradeOption) error {
aptOpts := &aptGetUpgradeOpts{
upgradeType: packages.AptGetUpgrade,
excludes: nil,
exclusivePackages: nil,
dryrun: false,
}
for _, opt := range opts {
opt(aptOpts)
}
pkgs, err := packages.AptUpdates(ctx, packages.AptGetUpgradeType(aptOpts.upgradeType), packages.AptGetUpgradeShowNew(true))
if err != nil {
return err
}
fPkgs, err := filterPackages(pkgs, aptOpts.exclusivePackages, aptOpts.excludes)
if err != nil {
return err
}
if len(fPkgs) == 0 {
clog.Infof(ctx, "No packages to update.")
return nil
}
var pkgNames []string
for _, pkg := range fPkgs {
pkgNames = append(pkgNames, pkg.Name)
}
msg := fmt.Sprintf("%d packages: %q", len(pkgNames), fPkgs)
if aptOpts.dryrun {
clog.Infof(ctx, "Running in dryrun mode, not updating %s", msg)
return nil
}
ops := opsToReport{
packages: fPkgs,
}
logOps(ctx, ops)
err = packages.InstallAptPackages(ctx, pkgNames)
if err == nil {
logSuccess(ctx, ops)
} else {
logFailure(ctx, ops, err)
}
return err
}