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Add e2e test & demo mode for multiple CNIs
The multi-CNI e2e test is run for `master` and `*-net` branches. demo.sh now understands `MULTI_CNI` env var which, if set to a non-empty value, sets up multiple CNIs on k-d-c using CNI Genie.
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Ivan Shvedunov
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Jun 29, 2018
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| /* | ||
| Copyright 2018 Mirantis | ||
| 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 e2e | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "time" | ||
|
|
||
| . "github.com/onsi/gomega" | ||
|
|
||
| "github.com/Mirantis/virtlet/tests/e2e/framework" | ||
| . "github.com/Mirantis/virtlet/tests/e2e/ginkgo-ext" | ||
| ) | ||
|
|
||
| const ( | ||
| ensureEth1UpCmd = "export PATH='/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin';" + | ||
| "(ip a show dev eth1 | grep -qw inet) || " + | ||
| "( (echo -e 'iface eth1 inet dhcp' | " + | ||
| "sudo tee -a /etc/network/interfaces) && sudo /sbin/ifup eth1)" | ||
| getLinkIpCmd = "export PATH='/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin';" + | ||
| "ip a show dev eth%d | grep -w inet | " + | ||
| "sed 's@/.*@@' | awk '{ print $2; }'" | ||
| netcatListenCmd = "echo iwaslistening | nc -l -p 12345 | grep isentthis" | ||
| netcatSendCmd = "echo isentthis | nc -w5 %s 12345 | grep iwaslistening" | ||
| ) | ||
|
|
||
| var _ = Describe("VMs with multiple CNIs using CNI Genie [MultiCNI]", func() { | ||
| describeMultiCNI("With 'cni' annotation", true) | ||
| describeMultiCNI("Without 'cni' annotation", false) | ||
| }) | ||
|
|
||
| func describeMultiCNI(what string, addCNIAnnotation bool) { | ||
| Context(what, func() { | ||
| var ( | ||
| vms [2]*multiCNIVM | ||
| ) | ||
| BeforeAll(func() { | ||
| for i := 0; i < 2; i++ { | ||
| vms[i] = makeMultiCNIVM(fmt.Sprintf("vm%d", i), addCNIAnnotation) | ||
| vms[i].ensureIPOnSecondEth() | ||
| vms[i].retrieveIPs() | ||
| } | ||
| }) | ||
|
|
||
| AfterAll(func() { | ||
| for _, vm := range vms { | ||
| vm.teardown() | ||
| } | ||
| }) | ||
|
|
||
| It("Should have connectivity between them on all the CNI-provided interfaces inside VMs", func() { | ||
| vms[0].ping(vms[1].ips[0]) | ||
| vms[0].ping(vms[1].ips[1]) | ||
| vms[1].ping(vms[0].ips[0]) | ||
| vms[1].ping(vms[0].ips[1]) | ||
| errCh := make(chan error) | ||
| go func() { | ||
| errCh <- vms[0].netcatListen(vms[0].ips[0]) | ||
| }() | ||
| vms[1].netcatConnect(vms[0].ips[0]) | ||
| Expect(<-errCh).To(Succeed()) | ||
| go func() { | ||
| errCh <- vms[0].netcatListen(vms[0].ips[1]) | ||
| }() | ||
| vms[1].netcatConnect(vms[0].ips[1]) | ||
| Expect(<-errCh).To(Succeed()) | ||
| }) | ||
|
|
||
| itShouldHaveNetworkConnectivity( | ||
| func() *framework.PodInterface { return vms[0].vmPod }, | ||
| func() framework.Executor { return vms[0].ssh }) | ||
| }) | ||
| } | ||
|
|
||
| type multiCNIVM struct { | ||
| vm *framework.VMInterface | ||
| vmPod *framework.PodInterface | ||
| ssh framework.Executor | ||
| ips [2]string | ||
| } | ||
|
|
||
| func makeMultiCNIVM(name string, addCNIAnnotation bool) *multiCNIVM { | ||
| vm := controller.VM(name) | ||
| opts := VMOptions{} | ||
| if addCNIAnnotation { | ||
| opts.MultiCNI = "calico,flannel" | ||
| } | ||
| Expect(vm.Create(opts.applyDefaults(), time.Minute*5, nil)).To(Succeed()) | ||
| vmPod, err := vm.Pod() | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| return &multiCNIVM{ | ||
| vm: vm, | ||
| vmPod: vmPod, | ||
| ssh: waitSSH(vm), | ||
| } | ||
| } | ||
|
|
||
| func (mcv *multiCNIVM) ensureIPOnSecondEth() { | ||
| _, err := framework.RunSimple(mcv.ssh, ensureEth1UpCmd) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| } | ||
|
|
||
| func (mcv *multiCNIVM) retrieveIPs() { | ||
| for i := 0; i < 2; i++ { | ||
| ip, err := framework.RunSimple(mcv.ssh, fmt.Sprintf(getLinkIpCmd, i)) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| mcv.ips[i] = ip | ||
| } | ||
| } | ||
|
|
||
| func (mcv *multiCNIVM) teardown() { | ||
| if mcv.ssh != nil { | ||
| mcv.ssh.Close() | ||
| } | ||
| if mcv.vm != nil { | ||
| deleteVM(mcv.vm) | ||
| } | ||
| } | ||
|
|
||
| func (mcv *multiCNIVM) ping(ip string) { | ||
| Expect(framework.RunSimple(mcv.ssh, fmt.Sprintf("ping -c1 %s", ip))). | ||
| To(MatchRegexp("1 .*transmitted, 1 .*received, 0% .*loss")) | ||
| } | ||
|
|
||
| func (mcv *multiCNIVM) netcatListen(listenIp string) error { | ||
| _, err := framework.RunSimple(mcv.ssh, netcatListenCmd) | ||
| return err | ||
| } | ||
|
|
||
| func (mcv *multiCNIVM) netcatConnect(targetIp string) { | ||
| Eventually(func() error { | ||
| _, err := framework.RunSimple(mcv.ssh, fmt.Sprintf(netcatSendCmd, targetIp)) | ||
| return err | ||
| }, 60).Should(Succeed()) | ||
| } |