mirror of https://github.com/kubernetes/kops.git
62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package model
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import (
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"k8s.io/klog"
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"k8s.io/kops/nodeup/pkg/distros"
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/upup/pkg/fi/nodeup/nodetasks"
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)
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// NTPBuilder installs and starts NTP, to ensure accurate clock times.
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// As well as general log confusion, clock-skew of more than 5 minutes
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// causes AWS API calls to fail
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type NTPBuilder struct {
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*NodeupModelContext
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}
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var _ fi.ModelBuilder = &NTPBuilder{}
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// Build is responsible for configuring NTP
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func (b *NTPBuilder) Build(c *fi.ModelBuilderContext) error {
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switch b.Distribution {
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case distros.DistributionContainerOS:
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klog.Infof("Detected ContainerOS; won't install ntp")
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return nil
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case distros.DistributionCoreOS:
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klog.Infof("Detected CoreOS; won't install ntp")
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return nil
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case distros.DistributionFlatcar:
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klog.Infof("Detected Flatcar; won't install ntp")
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return nil
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}
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if b.Distribution.IsDebianFamily() {
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c.AddTask(&nodetasks.Package{Name: "ntp"})
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c.AddTask((&nodetasks.Service{Name: "ntp"}).InitDefaults())
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} else if b.Distribution.IsRHELFamily() {
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c.AddTask(&nodetasks.Package{Name: "ntp"})
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c.AddTask((&nodetasks.Service{Name: "ntpd"}).InitDefaults())
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} else {
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klog.Warningf("unknown distribution, skipping ntp install: %v", b.Distribution)
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return nil
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}
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return nil
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}
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