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// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"fmt"
"github.com/containernetworking/cni/pkg/ns"
"github.com/containernetworking/cni/pkg/skel"
"github.com/containernetworking/cni/pkg/testutils"
"github.com/containernetworking/cni/pkg/types"
"github.com/vishvananda/netlink"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
const MASTER_NAME = "eth0"
var _ = Describe("macvlan Operations", func() {
var originalNS ns.NetNS
BeforeEach(func() {
// Create a new NetNS so we don't modify the host
var err error
originalNS, err = ns.NewNS()
Expect(err).NotTo(HaveOccurred())
err = originalNS.Do(func(ns.NetNS) error {
defer GinkgoRecover()
// Add master
err = netlink.LinkAdd(&netlink.Dummy{
LinkAttrs: netlink.LinkAttrs{
Name: MASTER_NAME,
},
})
Expect(err).NotTo(HaveOccurred())
_, err = netlink.LinkByName(MASTER_NAME)
Expect(err).NotTo(HaveOccurred())
return nil
})
Expect(err).NotTo(HaveOccurred())
})
AfterEach(func() {
Expect(originalNS.Close()).To(Succeed())
})
It("creates an macvlan link in a non-default namespace", func() {
conf := &NetConf{
NetConf: types.NetConf{
Name: "testConfig",
Type: "macvlan",
},
Master: MASTER_NAME,
Mode: "bridge",
MTU: 1500,
}
targetNs, err := ns.NewNS()
Expect(err).NotTo(HaveOccurred())
defer targetNs.Close()
err = originalNS.Do(func(ns.NetNS) error {
defer GinkgoRecover()
err = createMacvlan(conf, "foobar0", targetNs)
Expect(err).NotTo(HaveOccurred())
return nil
})
Expect(err).NotTo(HaveOccurred())
// Make sure macvlan link exists in the target namespace
err = targetNs.Do(func(ns.NetNS) error {
defer GinkgoRecover()
link, err := netlink.LinkByName("foobar0")
Expect(err).NotTo(HaveOccurred())
Expect(link.Attrs().Name).To(Equal("foobar0"))
return nil
})
Expect(err).NotTo(HaveOccurred())
})
It("configures and deconfigures a macvlan link with ADD/DEL", func() {
const IFNAME = "macvl0"
conf := fmt.Sprintf(`{
"name": "mynet",
"type": "macvlan",
"master": "%s",
"ipam": {
"type": "host-local",
"subnet": "10.1.2.0/24"
}
}`, MASTER_NAME)
targetNs, err := ns.NewNS()
Expect(err).NotTo(HaveOccurred())
defer targetNs.Close()
args := &skel.CmdArgs{
ContainerID: "dummy",
Netns: targetNs.Path(),
IfName: IFNAME,
StdinData: []byte(conf),
}
// Make sure macvlan link exists in the target namespace
err = originalNS.Do(func(ns.NetNS) error {
defer GinkgoRecover()
_, err := testutils.CmdAddWithResult(targetNs.Path(), IFNAME, func() error {
return cmdAdd(args)
})
Expect(err).NotTo(HaveOccurred())
return nil
})
Expect(err).NotTo(HaveOccurred())
// Make sure macvlan link exists in the target namespace
err = targetNs.Do(func(ns.NetNS) error {
defer GinkgoRecover()
link, err := netlink.LinkByName(IFNAME)
Expect(err).NotTo(HaveOccurred())
Expect(link.Attrs().Name).To(Equal(IFNAME))
return nil
})
Expect(err).NotTo(HaveOccurred())
err = originalNS.Do(func(ns.NetNS) error {
defer GinkgoRecover()
err := testutils.CmdDelWithResult(targetNs.Path(), IFNAME, func() error {
return cmdDel(args)
})
Expect(err).NotTo(HaveOccurred())
return nil
})
Expect(err).NotTo(HaveOccurred())
// Make sure macvlan link has been deleted
err = targetNs.Do(func(ns.NetNS) error {
defer GinkgoRecover()
link, err := netlink.LinkByName(IFNAME)
Expect(err).To(HaveOccurred())
Expect(link).To(BeNil())
return nil
})
Expect(err).NotTo(HaveOccurred())
})
})
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