e085226f82
Add an e2e host-local plugin testcase, which requires being able to pass the datadir into the plugin so we can erase it later. We're not always guaranteed to have access to the default data dir location, plus it should probably be configurable anyway.
93 lines
2.5 KiB
Go
93 lines
2.5 KiB
Go
// Copyright 2016 CNI authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"fmt"
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"io/ioutil"
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"net"
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"os"
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"path/filepath"
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"github.com/containernetworking/cni/pkg/skel"
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"github.com/containernetworking/cni/pkg/testutils"
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"github.com/containernetworking/cni/pkg/types"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("host-local Operations", func() {
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It("allocates and releases an address with ADD/DEL", func() {
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const ifname string = "eth0"
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const nspath string = "/some/where"
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tmpDir, err := ioutil.TempDir("", "host_local_artifacts")
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Expect(err).NotTo(HaveOccurred())
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defer os.RemoveAll(tmpDir)
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conf := fmt.Sprintf(`{
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"cniVersion": "0.2.0",
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"name": "mynet",
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"type": "ipvlan",
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"master": "foo0",
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"ipam": {
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"type": "host-local",
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"subnet": "10.1.2.0/24",
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"dataDir": "%s"
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}
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}`, tmpDir)
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args := &skel.CmdArgs{
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ContainerID: "dummy",
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Netns: nspath,
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IfName: ifname,
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StdinData: []byte(conf),
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}
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// Allocate the IP
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result, err := testutils.CmdAddWithResult(nspath, ifname, func() error {
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return cmdAdd(args)
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})
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Expect(err).NotTo(HaveOccurred())
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expectedAddress, err := types.ParseCIDR("10.1.2.2/24")
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Expect(err).NotTo(HaveOccurred())
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expectedAddress.IP = expectedAddress.IP.To16()
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Expect(result.IP4.IP).To(Equal(*expectedAddress))
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Expect(result.IP4.Gateway).To(Equal(net.ParseIP("10.1.2.1")))
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ipFilePath := filepath.Join(tmpDir, "mynet", "10.1.2.2")
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contents, err := ioutil.ReadFile(ipFilePath)
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Expect(err).NotTo(HaveOccurred())
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Expect(string(contents)).To(Equal("dummy"))
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lastFilePath := filepath.Join(tmpDir, "mynet", "last_reserved_ip")
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contents, err = ioutil.ReadFile(lastFilePath)
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Expect(err).NotTo(HaveOccurred())
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Expect(string(contents)).To(Equal("10.1.2.2"))
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// Release the IP
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err = testutils.CmdDelWithResult(nspath, ifname, func() error {
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return cmdDel(args)
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})
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Expect(err).NotTo(HaveOccurred())
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_, err = os.Stat(ipFilePath)
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Expect(err).To(HaveOccurred())
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})
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})
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