kubernetes upgrade 源码

2022-09-18
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kubernetes upgrade 代码

文件路径：/cmd/kubeadm/app/cmd/upgrade/upgrade.go

/*
Copyright 2017 The Kubernetes Authors.

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 upgrade

import (
	"io"

	"github.com/spf13/cobra"
	"github.com/spf13/pflag"

	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
	kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
)

// applyPlanFlags holds the values for the common flags in `kubeadm upgrade apply` and `kubeadm upgrade plan`
type applyPlanFlags struct {
	kubeConfigPath            string
	cfgPath                   string
	featureGatesString        string
	allowExperimentalUpgrades bool
	allowRCUpgrades           bool
	printConfig               bool
	ignorePreflightErrors     []string
	out                       io.Writer
}

// NewCmdUpgrade returns the cobra command for `kubeadm upgrade`
func NewCmdUpgrade(out io.Writer) *cobra.Command {
	flags := &applyPlanFlags{
		kubeConfigPath:            kubeadmconstants.GetAdminKubeConfigPath(),
		cfgPath:                   "",
		featureGatesString:        "",
		allowExperimentalUpgrades: false,
		allowRCUpgrades:           false,
		printConfig:               false,
		out:                       out,
	}

	cmd := &cobra.Command{
		Use:   "upgrade",
		Short: "Upgrade your cluster smoothly to a newer version with this command",
		Run:   cmdutil.SubCmdRun(),
	}

	cmd.AddCommand(newCmdApply(flags))
	cmd.AddCommand(newCmdPlan(flags))
	cmd.AddCommand(newCmdDiff(out))
	cmd.AddCommand(newCmdNode(out))
	return cmd
}

func addApplyPlanFlags(fs *pflag.FlagSet, flags *applyPlanFlags) {
	options.AddKubeConfigFlag(fs, &flags.kubeConfigPath)
	options.AddConfigFlag(fs, &flags.cfgPath)

	fs.BoolVar(&flags.allowExperimentalUpgrades, "allow-experimental-upgrades", flags.allowExperimentalUpgrades, "Show unstable versions of Kubernetes as an upgrade alternative and allow upgrading to an alpha/beta/release candidate versions of Kubernetes.")
	fs.BoolVar(&flags.allowRCUpgrades, "allow-release-candidate-upgrades", flags.allowRCUpgrades, "Show release candidate versions of Kubernetes as an upgrade alternative and allow upgrading to a release candidate versions of Kubernetes.")
	fs.BoolVar(&flags.printConfig, "print-config", flags.printConfig, "Specifies whether the configuration file that will be used in the upgrade should be printed or not.")
	options.AddFeatureGatesStringFlag(fs, &flags.featureGatesString)
	options.AddIgnorePreflightErrorsFlag(fs, &flags.ignorePreflightErrors)
}

相关信息

kubernetes 源码目录

相关文章

kubernetes apply 源码

kubernetes apply_test 源码

kubernetes common 源码

kubernetes common_test 源码

kubernetes diff 源码

kubernetes diff_test 源码

kubernetes node 源码

kubernetes plan 源码

kubernetes plan_test 源码

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本文标签： golang docker
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