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Merge pull request #2087 from SvenDowideit/another-resolv.conf-race

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dhcpcd overwrites resolv.conf when releasing a lease
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Sven Dowideit 2017-09-12 15:04:16 +10:00 committed by GitHub
commit 2d65164e57
1 changed files with 8 additions and 5 deletions
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13
cmd/network/network.go
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@ -35,11 +35,6 @@ func Main() {
func ApplyNetworkConfig(cfg *config.CloudConfig) {
log.Infof("Apply Network Config")
userSetDNS := len(cfg.Rancher.Network.DNS.Nameservers) > 0 || len(cfg.Rancher.Network.DNS.Search) > 0
if userSetDNS {
if _, err := resolvconf.Build("/etc/resolv.conf", cfg.Rancher.Network.DNS.Nameservers, cfg.Rancher.Network.DNS.Search, nil); err != nil {
log.Error(err)
}
}
if err := hostname.SetHostnameFromCloudConfig(cfg); err != nil {
log.Error(err)
@ -65,6 +60,14 @@ func ApplyNetworkConfig(cfg *config.CloudConfig) {
log.Error(err)
}
}
if userSetDNS {
if _, err := resolvconf.Build("/etc/resolv.conf", cfg.Rancher.Network.DNS.Nameservers, cfg.Rancher.Network.DNS.Search, nil); err != nil {
log.Error(err)
} else {
log.Infof("writing to /etc/resolv.conf: nameservers: %v, search: %v", cfg.Rancher.Network.DNS.Nameservers, cfg.Rancher.Network.DNS.Search)
}
}
resolve, err := ioutil.ReadFile("/etc/resolv.conf")
log.Debugf("Resolve.conf == [%s], %s", resolve, err)