diff options
Diffstat (limited to 'libpod/container_internal.go')
-rw-r--r-- | libpod/container_internal.go | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/libpod/container_internal.go b/libpod/container_internal.go index 7494eb3ec..fd451f9ef 100644 --- a/libpod/container_internal.go +++ b/libpod/container_internal.go @@ -17,6 +17,7 @@ import ( "github.com/containers/buildah/pkg/overlay" butil "github.com/containers/buildah/util" "github.com/containers/common/libnetwork/etchosts" + "github.com/containers/common/libnetwork/resolvconf" "github.com/containers/common/pkg/cgroups" "github.com/containers/common/pkg/chown" "github.com/containers/common/pkg/config" @@ -986,7 +987,7 @@ func (c *Container) checkDependenciesRunning() ([]string, error) { } func (c *Container) completeNetworkSetup() error { - var outResolvConf []string + var nameservers []string netDisabled, err := c.NetworkDisabled() if err != nil { return err @@ -1000,11 +1001,14 @@ func (c *Container) completeNetworkSetup() error { if err := c.runtime.setupNetNS(c); err != nil { return err } + if err := c.save(); err != nil { + return err + } state := c.state // collect any dns servers that cni tells us to use (dnsname) for _, status := range c.getNetworkStatus() { for _, server := range status.DNSServerIPs { - outResolvConf = append(outResolvConf, fmt.Sprintf("nameserver %s", server)) + nameservers = append(nameservers, server.String()) } } // check if we have a bindmount for /etc/hosts @@ -1020,24 +1024,12 @@ func (c *Container) completeNetworkSetup() error { } // check if we have a bindmount for resolv.conf - resolvBindMount := state.BindMounts["/etc/resolv.conf"] - if len(outResolvConf) < 1 || resolvBindMount == "" || len(c.config.NetNsCtr) > 0 { + resolvBindMount := state.BindMounts[resolvconf.DefaultResolvConf] + if len(nameservers) < 1 || resolvBindMount == "" || len(c.config.NetNsCtr) > 0 { return nil } - // read the existing resolv.conf - b, err := ioutil.ReadFile(resolvBindMount) - if err != nil { - return err - } - for _, line := range strings.Split(string(b), "\n") { - // only keep things that don't start with nameserver from the old - // resolv.conf file - if !strings.HasPrefix(line, "nameserver") { - outResolvConf = append([]string{line}, outResolvConf...) - } - } // write and return - return ioutil.WriteFile(resolvBindMount, []byte(strings.Join(outResolvConf, "\n")), 0644) + return resolvconf.Add(resolvBindMount, nameservers) } // Initialize a container, creating it in the runtime |