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bf61c2cc4a
No need to print them to stdout in that case. Signed-off-by: Artem Chernyshev <artem.0xD2@gmail.com>
64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package kubernetes
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import (
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"fmt"
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"io"
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"github.com/coreos/go-semver/semver"
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appsv1 "k8s.io/api/apps/v1"
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)
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const (
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namespace = "kube-system"
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checkpointerAnnotation = "checkpointer.alpha.coreos.com/checkpoint"
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checkpointedPodAnnotation = "checkpointer.alpha.coreos.com/checkpoint-of"
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kubeAPIServer = "kube-apiserver"
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kubeControllerManager = "kube-controller-manager"
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kubeScheduler = "kube-scheduler"
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kubeProxy = "kube-proxy"
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)
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// UpgradeOptions represents Kubernetes control plane upgrade settings.
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type UpgradeOptions struct {
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FromVersion string
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ToVersion string
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ControlPlaneEndpoint string
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LogOutput io.Writer
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extraUpdaters []daemonsetUpdater
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podCheckpointerExtraUpdaters []daemonsetUpdater
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masterNodes []string
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}
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// Path returns upgrade path in a form "FromMajor.FromMinor->ToMajor.ToMinor" (e.g. "1.20->1.21"),
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// or empty string, if one or both versions can't be parsed.
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func (options *UpgradeOptions) Path() string {
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from, fromErr := semver.NewVersion(options.FromVersion)
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to, toErr := semver.NewVersion(options.ToVersion)
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if fromErr != nil || toErr != nil {
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return ""
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}
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return fmt.Sprintf("%d.%d->%d.%d", from.Major, from.Minor, to.Major, to.Minor)
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}
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// Log writes the line to logger or to stdout if no logger was provided.
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func (options *UpgradeOptions) Log(line string, args ...interface{}) {
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if options.LogOutput != nil {
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options.LogOutput.Write([]byte(fmt.Sprintf(line, args...))) //nolint:errcheck
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return
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}
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fmt.Printf(line+"\n", args...)
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}
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type daemonsetUpdater func(ds string, daemonset *appsv1.DaemonSet) error
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