diff options
Diffstat (limited to 'libpod')
| -rw-r--r-- | libpod/network/config.go | 5 | ||||
| -rw-r--r-- | libpod/network/create.go | 15 | ||||
| -rw-r--r-- | libpod/network/netconflist.go | 16 | ||||
| -rw-r--r-- | libpod/networking_linux.go | 14 |
4 files changed, 44 insertions, 6 deletions
diff --git a/libpod/network/config.go b/libpod/network/config.go index ce351129e..294e23509 100644 --- a/libpod/network/config.go +++ b/libpod/network/config.go @@ -103,7 +103,9 @@ func (p PortMapConfig) Bytes() ([]byte, error) { // IPAMDHCP describes the ipamdhcp config type IPAMDHCP struct { - DHCP string `json:"type"` + DHCP string `json:"type"` + Routes []IPAMRoute `json:"routes,omitempty"` + Ranges [][]IPAMLocalHostRangeConf `json:"ranges,omitempty"` } // MacVLANConfig describes the macvlan config @@ -111,6 +113,7 @@ type MacVLANConfig struct { PluginType string `json:"type"` Master string `json:"master"` IPAM IPAMDHCP `json:"ipam"` + MTU int `json:"mtu,omitempty"` } // Bytes outputs the configuration as []byte diff --git a/libpod/network/create.go b/libpod/network/create.go index 88310a79c..deacf487a 100644 --- a/libpod/network/create.go +++ b/libpod/network/create.go @@ -249,6 +249,7 @@ func createBridge(name string, options entities.NetworkCreateOptions, runtimeCon func createMacVLAN(name string, options entities.NetworkCreateOptions, runtimeConfig *config.Config) (string, error) { var ( + mtu int plugins []CNIPlugins ) liveNetNames, err := GetLiveNetworkNames() @@ -283,7 +284,19 @@ func createMacVLAN(name string, options entities.NetworkCreateOptions, runtimeCo } } ncList := NewNcList(name, version.Current(), options.Labels) - macvlan := NewMacVLANPlugin(parentNetworkDevice) + if val, ok := options.Options["mtu"]; ok { + intVal, err := strconv.Atoi(val) + if err != nil { + return "", err + } + if intVal > 0 { + mtu = intVal + } + } + macvlan, err := NewMacVLANPlugin(parentNetworkDevice, options.Gateway, &options.Range, &options.Subnet, mtu) + if err != nil { + return "", err + } plugins = append(plugins, macvlan) ncList["plugins"] = plugins b, err := json.MarshalIndent(ncList, "", " ") diff --git a/libpod/network/netconflist.go b/libpod/network/netconflist.go index ca6a4a70b..9be98e78f 100644 --- a/libpod/network/netconflist.go +++ b/libpod/network/netconflist.go @@ -172,19 +172,31 @@ func HasDNSNamePlugin(paths []string) bool { } // NewMacVLANPlugin creates a macvlanconfig with a given device name -func NewMacVLANPlugin(device string) MacVLANConfig { +func NewMacVLANPlugin(device string, gateway net.IP, ipRange *net.IPNet, subnet *net.IPNet, mtu int) (MacVLANConfig, error) { i := IPAMDHCP{DHCP: "dhcp"} + if gateway != nil || ipRange != nil || subnet != nil { + ipam, err := NewIPAMLocalHostRange(subnet, ipRange, gateway) + if err != nil { + return MacVLANConfig{}, err + } + ranges := make([][]IPAMLocalHostRangeConf, 0) + ranges = append(ranges, ipam) + i.Ranges = ranges + } m := MacVLANConfig{ PluginType: "macvlan", IPAM: i, } + if mtu > 0 { + m.MTU = mtu + } // CNI is supposed to use the default route if a // parent device is not provided if len(device) > 0 { m.Master = device } - return m + return m, nil } // IfPassesFilter filters NetworkListReport and returns true if the filter match the given config diff --git a/libpod/networking_linux.go b/libpod/networking_linux.go index 737dbf935..01e4102d1 100644 --- a/libpod/networking_linux.go +++ b/libpod/networking_linux.go @@ -15,6 +15,7 @@ import ( "path/filepath" "regexp" "sort" + "strconv" "strings" "syscall" "time" @@ -42,6 +43,9 @@ const ( // slirp4netnsDNS is the IP for the built-in DNS server in the slirp network slirp4netnsDNS = "10.0.2.3" + + // slirp4netnsMTU the default MTU override + slirp4netnsMTU = 65520 ) // Get an OCICNI network config @@ -282,6 +286,7 @@ func (r *Runtime) setupSlirp4netns(ctr *Container) error { enableIPv6 := false outboundAddr := "" outboundAddr6 := "" + mtu := slirp4netnsMTU if ctr.config.NetworkOptions != nil { slirpOptions = append(slirpOptions, ctr.config.NetworkOptions["slirp4netns"]...) @@ -345,6 +350,11 @@ func (r *Runtime) setupSlirp4netns(ctr *Container) error { } } outboundAddr6 = value + case "mtu": + mtu, err = strconv.Atoi(value) + if mtu < 68 || err != nil { + return errors.Errorf("invalid mtu %q", value) + } default: return errors.Errorf("unknown option for slirp4netns: %q", o) } @@ -358,8 +368,8 @@ func (r *Runtime) setupSlirp4netns(ctr *Container) error { if disableHostLoopback && slirpFeatures.HasDisableHostLoopback { cmdArgs = append(cmdArgs, "--disable-host-loopback") } - if slirpFeatures.HasMTU { - cmdArgs = append(cmdArgs, "--mtu", "65520") + if mtu > -1 && slirpFeatures.HasMTU { + cmdArgs = append(cmdArgs, fmt.Sprintf("--mtu=%d", mtu)) } if !noPivotRoot && slirpFeatures.HasEnableSandbox { cmdArgs = append(cmdArgs, "--enable-sandbox") |