diff options
-rw-r--r-- | docs/source/markdown/podman-network-create.1.md | 9 | ||||
-rw-r--r-- | libpod/network/create.go | 18 | ||||
-rw-r--r-- | libpod/network/netconflist.go | 6 | ||||
-rw-r--r-- | libpod/network/network.go | 12 | ||||
-rw-r--r-- | test/e2e/common_test.go | 10 | ||||
-rw-r--r-- | test/e2e/network_test.go | 41 |
6 files changed, 84 insertions, 12 deletions
diff --git a/docs/source/markdown/podman-network-create.1.md b/docs/source/markdown/podman-network-create.1.md index 2fafd1e31..86b15162a 100644 --- a/docs/source/markdown/podman-network-create.1.md +++ b/docs/source/markdown/podman-network-create.1.md @@ -7,8 +7,9 @@ podman\-network-create - Create a Podman CNI network **podman network create** [*options*] name ## DESCRIPTION -Create a CNI-network configuration for use with Podman. By default, Podman creates a bridge connection. A -*Macvlan* connection can be created with the *macvlan* option. In the case of *Macvlan* connections, the +Create a CNI-network configuration for use with Podman. By default, Podman creates a bridge connection. +A *Macvlan* connection can be created with the *-d macvlan* option. A parent device for macvlan can +be designated with the *-o parent=<device>* option. In the case of *Macvlan* connections, the CNI *dhcp* plugin needs to be activated or the container image must have a DHCP client to interact with the host network's DHCP server. @@ -55,6 +56,8 @@ Set metadata for a network (e.g., --label mykey=value). #### **--macvlan** +*This option is being deprecated* + Create a *Macvlan* based connection rather than a classic bridge. You must pass an interface name from the host for the Macvlan connection. @@ -101,7 +104,7 @@ Create a network that uses a *192.168.55.0/24** subnet and has an IP address ran Create a Macvlan based network using the host interface eth0 ``` -# podman network create --macvlan eth0 newnet +# podman network create -d macvlan -o parent=eth0 newnet /etc/cni/net.d/newnet.conflist ``` diff --git a/libpod/network/create.go b/libpod/network/create.go index a8f985af9..88310a79c 100644 --- a/libpod/network/create.go +++ b/libpod/network/create.go @@ -29,7 +29,7 @@ func Create(name string, options entities.NetworkCreateOptions, runtimeConfig *c return nil, err } defer l.releaseCNILock() - if len(options.MacVLAN) > 0 { + if len(options.MacVLAN) > 0 || options.Driver == MacVLANNetworkDriver { fileName, err = createMacVLAN(name, options, runtimeConfig) } else { fileName, err = createBridge(name, options, runtimeConfig) @@ -256,9 +256,17 @@ func createMacVLAN(name string, options entities.NetworkCreateOptions, runtimeCo return "", err } - // Make sure the host-device exists - if !util.StringInSlice(options.MacVLAN, liveNetNames) { - return "", errors.Errorf("failed to find network interface %q", options.MacVLAN) + // The parent can be defined with --macvlan or as an option (-o parent:device) + parentNetworkDevice := options.MacVLAN + if len(parentNetworkDevice) < 1 { + if parent, ok := options.Options["parent"]; ok { + parentNetworkDevice = parent + } + } + + // Make sure the host-device exists if provided + if len(parentNetworkDevice) > 0 && !util.StringInSlice(parentNetworkDevice, liveNetNames) { + return "", errors.Errorf("failed to find network interface %q", parentNetworkDevice) } if len(name) > 0 { netNames, err := GetNetworkNamesFromFileSystem(runtimeConfig) @@ -275,7 +283,7 @@ func createMacVLAN(name string, options entities.NetworkCreateOptions, runtimeCo } } ncList := NewNcList(name, version.Current(), options.Labels) - macvlan := NewMacVLANPlugin(options.MacVLAN) + macvlan := NewMacVLANPlugin(parentNetworkDevice) 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 165a9067b..ca6a4a70b 100644 --- a/libpod/network/netconflist.go +++ b/libpod/network/netconflist.go @@ -177,9 +177,13 @@ func NewMacVLANPlugin(device string) MacVLANConfig { m := MacVLANConfig{ PluginType: "macvlan", - Master: device, IPAM: i, } + // CNI is supposed to use the default route if a + // parent device is not provided + if len(device) > 0 { + m.Master = device + } return m } diff --git a/libpod/network/network.go b/libpod/network/network.go index 0fb878b18..0ff14c1f7 100644 --- a/libpod/network/network.go +++ b/libpod/network/network.go @@ -17,11 +17,17 @@ import ( "github.com/sirupsen/logrus" ) -// DefaultNetworkDriver is the default network type used -var DefaultNetworkDriver = "bridge" +var ( + // BridgeNetworkDriver defines the bridge cni driver + BridgeNetworkDriver = "bridge" + // DefaultNetworkDriver is the default network type used + DefaultNetworkDriver = BridgeNetworkDriver + // MacVLANNetworkDriver defines the macvlan cni driver + MacVLANNetworkDriver = "macvlan" +) // SupportedNetworkDrivers describes the list of supported drivers -var SupportedNetworkDrivers = []string{DefaultNetworkDriver} +var SupportedNetworkDrivers = []string{BridgeNetworkDriver, MacVLANNetworkDriver} // isSupportedDriver checks if the user provided driver is supported func isSupportedDriver(driver string) error { diff --git a/test/e2e/common_test.go b/test/e2e/common_test.go index 781bbb6d2..ffa6f1329 100644 --- a/test/e2e/common_test.go +++ b/test/e2e/common_test.go @@ -1,6 +1,7 @@ package integration import ( + "bytes" "fmt" "io/ioutil" "math/rand" @@ -794,3 +795,12 @@ func (p *PodmanTestIntegration) removeCNINetwork(name string) { session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(BeNumerically("<=", 1)) } + +func (p *PodmanSessionIntegration) jq(jqCommand string) (string, error) { + var out bytes.Buffer + cmd := exec.Command("jq", jqCommand) + cmd.Stdin = strings.NewReader(p.OutputToString()) + cmd.Stdout = &out + err := cmd.Run() + return strings.TrimRight(out.String(), "\n"), err +} diff --git a/test/e2e/network_test.go b/test/e2e/network_test.go index 2f5290c76..124ee7e29 100644 --- a/test/e2e/network_test.go +++ b/test/e2e/network_test.go @@ -457,6 +457,47 @@ var _ = Describe("Podman network", func() { Expect(nc.ExitCode()).To(Equal(0)) }) + It("podman network create/remove macvlan as driver (-d) no device name", func() { + net := "macvlan" + stringid.GenerateNonCryptoID() + nc := podmanTest.Podman([]string{"network", "create", "-d", "macvlan", net}) + nc.WaitWithDefaultTimeout() + defer podmanTest.removeCNINetwork(net) + Expect(nc.ExitCode()).To(Equal(0)) + + inspect := podmanTest.Podman([]string{"network", "inspect", net}) + inspect.WaitWithDefaultTimeout() + Expect(inspect.ExitCode()).To(BeZero()) + + out, err := inspect.jq(".[0].plugins[0].master") + Expect(err).To(BeNil()) + Expect(out).To(Equal("\"\"")) + + nc = podmanTest.Podman([]string{"network", "rm", net}) + nc.WaitWithDefaultTimeout() + Expect(nc.ExitCode()).To(Equal(0)) + }) + + It("podman network create/remove macvlan as driver (-d) with device name", func() { + net := "macvlan" + stringid.GenerateNonCryptoID() + nc := podmanTest.Podman([]string{"network", "create", "-d", "macvlan", "-o", "parent=lo", net}) + nc.WaitWithDefaultTimeout() + defer podmanTest.removeCNINetwork(net) + Expect(nc.ExitCode()).To(Equal(0)) + + inspect := podmanTest.Podman([]string{"network", "inspect", net}) + inspect.WaitWithDefaultTimeout() + Expect(inspect.ExitCode()).To(BeZero()) + fmt.Println(inspect.OutputToString()) + + out, err := inspect.jq(".[0].plugins[0].master") + Expect(err).To(BeNil()) + Expect(out).To(Equal("\"lo\"")) + + nc = podmanTest.Podman([]string{"network", "rm", net}) + nc.WaitWithDefaultTimeout() + Expect(nc.ExitCode()).To(Equal(0)) + }) + It("podman network exists", func() { net := "net" + stringid.GenerateNonCryptoID() session := podmanTest.Podman([]string{"network", "create", net}) |