diff options
Diffstat (limited to 'libpod/networking_linux.go')
| -rw-r--r-- | libpod/networking_linux.go | 55 |
1 files changed, 52 insertions, 3 deletions
diff --git a/libpod/networking_linux.go b/libpod/networking_linux.go index ec9d98b56..e792a410c 100644 --- a/libpod/networking_linux.go +++ b/libpod/networking_linux.go @@ -48,6 +48,41 @@ const ( persistentCNIDir = "/var/lib/cni" ) +// GetAllNetworkAliases returns all configured aliases for this container. +// It also adds the container short ID as alias to match docker. +func (c *Container) GetAllNetworkAliases() (map[string][]string, error) { + allAliases, err := c.runtime.state.GetAllNetworkAliases(c) + if err != nil { + return nil, err + } + + // get the all attached networks, we cannot use GetAllNetworkAliases() + // since it returns nil if there are no aliases + nets, _, err := c.networks() + if err != nil { + return nil, err + } + + // add container short ID as alias to match docker + for _, net := range nets { + allAliases[net] = append(allAliases[net], c.config.ID[:12]) + } + return allAliases, nil +} + +// GetNetworkAliases returns configured aliases for this network. +// It also adds the container short ID as alias to match docker. +func (c *Container) GetNetworkAliases(netName string) ([]string, error) { + aliases, err := c.runtime.state.GetNetworkAliases(c, netName) + if err != nil { + return nil, err + } + + // add container short ID as alias to match docker + aliases = append(aliases, c.config.ID[:12]) + return aliases, nil +} + func (c *Container) getNetworkOptions() (types.NetworkOptions, error) { opts := types.NetworkOptions{ ContainerID: c.config.ID, @@ -61,7 +96,7 @@ func (c *Container) getNetworkOptions() (types.NetworkOptions, error) { if err != nil { return opts, err } - aliases, err := c.runtime.state.GetAllNetworkAliases(c) + aliases, err := c.GetAllNetworkAliases() if err != nil { return opts, err } @@ -872,7 +907,7 @@ func (r *Runtime) reloadContainerNetwork(ctr *Container) (map[string]types.Statu } } - aliases, err := ctr.runtime.state.GetAllNetworkAliases(ctr) + aliases, err := ctr.GetAllNetworkAliases() if err != nil { return nil, err } @@ -975,6 +1010,11 @@ func (c *Container) getContainerNetworkInfo() (*define.InspectNetworkSettings, e for _, net := range networks { cniNet := new(define.InspectAdditionalNetwork) cniNet.NetworkID = net + aliases, err := c.GetNetworkAliases(net) + if err != nil { + return nil, err + } + cniNet.Aliases = aliases settings.Networks[net] = cniNet } } @@ -1009,7 +1049,7 @@ func (c *Container) getContainerNetworkInfo() (*define.InspectNetworkSettings, e return nil, err } - aliases, err := c.runtime.state.GetNetworkAliases(c, name) + aliases, err := c.GetNetworkAliases(name) if err != nil { return nil, err } @@ -1222,6 +1262,14 @@ func (c *Container) NetworkConnect(nameOrID, netName string, aliases []string) e // get network status before we connect networkStatus := c.getNetworkStatus() + network, err := c.runtime.network.NetworkInspect(netName) + if err != nil { + return err + } + if !network.DNSEnabled && len(aliases) > 0 { + return errors.Wrapf(define.ErrInvalidArg, "cannot set network aliases for network %q because dns is disabled", netName) + } + if err := c.runtime.state.NetworkConnect(c, netName, aliases); err != nil { return err } @@ -1253,6 +1301,7 @@ func (c *Container) NetworkConnect(nameOrID, netName string, aliases []string) e if !exists { return errors.Errorf("no network interface name for container %s on network %s", c.config.ID, netName) } + aliases = append(aliases, c.config.ID[:12]) opts.Networks = map[string]types.PerNetworkOptions{ netName: { Aliases: aliases, |