From d733c3baa25be1513e3952e4b8451f57a573dfae Mon Sep 17 00:00:00 2001 From: Paul Holzinger Date: Fri, 4 Feb 2022 15:48:41 +0100 Subject: append podman dns search domain Append the podman dns seach domain to the host search domains when we use the dnsname/aardvark server. Previously it would only use podman seach domains and discard the host domains. Fixes #13103 Signed-off-by: Paul Holzinger --- libpod/container_internal_linux.go | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) (limited to 'libpod') diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go index 86d8586d0..95f1634a8 100644 --- a/libpod/container_internal_linux.go +++ b/libpod/container_internal_linux.go @@ -2099,38 +2099,38 @@ func (c *Container) generateResolvConf() (string, error) { } dnsServers := append(dns, c.config.DNSServer...) // If the user provided dns, it trumps all; then dns masq; then resolv.conf + var search []string switch { case len(dnsServers) > 0: - // We store DNS servers as net.IP, so need to convert to string for _, server := range dnsServers { nameservers = append(nameservers, server.String()) } - case len(networkNameServers) > 0: - nameservers = append(nameservers, networkNameServers...) default: // Make a new resolv.conf - nameservers = resolvconf.GetNameservers(resolv.Content) - // slirp4netns has a built in DNS server. + // first add the nameservers from the networks status + nameservers = append(nameservers, networkNameServers...) + // when we add network dns server we also have to add the search domains + search = networkSearchDomains + // slirp4netns has a built in DNS forwarder. if c.config.NetMode.IsSlirp4netns() { slirp4netnsDNS, err := GetSlirp4netnsDNS(c.slirp4netnsSubnet) if err != nil { logrus.Warn("Failed to determine Slirp4netns DNS: ", err.Error()) } else { - nameservers = append([]string{slirp4netnsDNS.String()}, nameservers...) + nameservers = append(nameservers, slirp4netnsDNS.String()) } } + nameservers = append(nameservers, resolvconf.GetNameservers(resolv.Content)...) } - var search []string - if len(c.config.DNSSearch) > 0 || len(c.runtime.config.Containers.DNSSearches) > 0 || len(networkSearchDomains) > 0 { + if len(c.config.DNSSearch) > 0 || len(c.runtime.config.Containers.DNSSearches) > 0 { if !util.StringInSlice(".", c.config.DNSSearch) { - search = c.runtime.config.Containers.DNSSearches + search = append(search, c.runtime.config.Containers.DNSSearches...) search = append(search, c.config.DNSSearch...) - search = append(search, networkSearchDomains...) } } else { - search = resolvconf.GetSearchDomains(resolv.Content) + search = append(search, resolvconf.GetSearchDomains(resolv.Content)...) } var options []string -- cgit v1.2.3-54-g00ecf