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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| // Copyright 2023 Chaos Mesh 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 chaosdaemon_test | ||
|
|
||
| import ( | ||
| "context" | ||
| "os/exec" | ||
| "testing" | ||
|
|
||
| "github.com/go-logr/logr" | ||
| . "github.com/onsi/gomega" | ||
|
|
||
| "github.com/chaos-mesh/chaos-mesh/pkg/chaosdaemon" | ||
| "github.com/chaos-mesh/chaos-mesh/pkg/chaosdaemon/crclients" | ||
| "github.com/chaos-mesh/chaos-mesh/pkg/chaosdaemon/crclients/test" | ||
| pb "github.com/chaos-mesh/chaos-mesh/pkg/chaosdaemon/pb" | ||
| "github.com/chaos-mesh/chaos-mesh/pkg/mock" | ||
| ) | ||
|
|
||
| func Test_SetDNSServer_Enable(t *testing.T) { | ||
| g := NewWithT(t) | ||
|
|
||
| type mockCmd struct { | ||
| cmd string | ||
| args []string | ||
| } | ||
| var executedCommands []mockCmd | ||
|
|
||
| mock.With("MockProcessBuild", func(ctx context.Context, cmd string, args ...string) *exec.Cmd { | ||
| executedCommands = append(executedCommands, mockCmd{cmd, args}) | ||
| return exec.Command("echo", "mock command") | ||
| }) | ||
|
|
||
| mock.With("MockContainerdClient", &test.MockClient{}) | ||
|
|
||
| crc, err := crclients.CreateContainerRuntimeInfoClient(&crclients.CrClientConfig{ | ||
| Runtime: crclients.ContainerRuntimeContainerd, | ||
| }) | ||
| g.Expect(err).NotTo(HaveOccurred()) | ||
|
|
||
| server := chaosdaemon.NewDaemonServerWithCRClient(crc, nil, logr.Discard()) | ||
|
|
||
| res, err := server.SetDNSServer(context.TODO(), &pb.SetDNSServerRequest{ | ||
| ContainerId: "containerd://foo", | ||
| DnsServer: "8.6.4.2", | ||
| Enable: true, | ||
| EnterNS: false, | ||
| }) | ||
| g.Expect(err).NotTo(HaveOccurred()) | ||
| g.Expect(res).NotTo(BeNil()) | ||
|
|
||
| g.Expect(executedCommands).To(Equal([]mockCmd{ | ||
| {cmd: "sh", args: []string{"-c", "ls /etc/resolv.conf.chaos.bak || cp /etc/resolv.conf /etc/resolv.conf.chaos.bak"}}, | ||
| {cmd: "sh", args: []string{"-c", "cp /etc/resolv.conf /etc/resolv_conf_dnschaos_temp && sed -i 's/.*nameserver.*/nameserver 8.6.4.2/' /etc/resolv_conf_dnschaos_temp && cat /etc/resolv_conf_dnschaos_temp > /etc/resolv.conf && rm /etc/resolv_conf_dnschaos_temp"}}, | ||
| })) | ||
| } | ||
|
|
||
| func Test_SetDNSServer_Enable_InvalidIP(t *testing.T) { | ||
| g := NewWithT(t) | ||
|
|
||
| cases := []string{"", "127.0.0.b", " 127.0.0.1", "127.0.0.1 ", ":g:1", "127.0.0.1;"} | ||
|
|
||
| mock.With("MockProcessBuild", func(ctx context.Context, cmd string, args ...string) *exec.Cmd { | ||
| g.Fail("no process should be executed") | ||
| return exec.Command("echo", "mock command") | ||
| }) | ||
|
|
||
| mock.With("MockContainerdClient", &test.MockClient{}) | ||
|
|
||
| crc, err := crclients.CreateContainerRuntimeInfoClient(&crclients.CrClientConfig{ | ||
| Runtime: crclients.ContainerRuntimeContainerd, | ||
| }) | ||
| g.Expect(err).NotTo(HaveOccurred()) | ||
|
|
||
| server := chaosdaemon.NewDaemonServerWithCRClient(crc, nil, logr.Discard()) | ||
|
|
||
| for _, tc := range cases { | ||
| res, err := server.SetDNSServer(context.TODO(), &pb.SetDNSServerRequest{ | ||
| ContainerId: "containerd://foo", | ||
| DnsServer: tc, | ||
| Enable: true, | ||
| EnterNS: false, | ||
| }) | ||
| g.Expect(err).To(Equal(chaosdaemon.ErrInvalidDNSServer)) | ||
| g.Expect(res).To(BeNil()) | ||
| } | ||
| } | ||
|
|
||
| func Test_SetDNSServer_Disable(t *testing.T) { | ||
| g := NewWithT(t) | ||
|
|
||
| type mockCmd struct { | ||
| cmd string | ||
| args []string | ||
| } | ||
| var executedCommands []mockCmd | ||
|
|
||
| mock.With("MockProcessBuild", func(ctx context.Context, cmd string, args ...string) *exec.Cmd { | ||
| executedCommands = append(executedCommands, mockCmd{cmd, args}) | ||
| return exec.Command("echo", "mock command") | ||
| }) | ||
|
|
||
| mock.With("MockContainerdClient", &test.MockClient{}) | ||
|
|
||
| crc, err := crclients.CreateContainerRuntimeInfoClient(&crclients.CrClientConfig{ | ||
| Runtime: crclients.ContainerRuntimeContainerd, | ||
| }) | ||
| g.Expect(err).NotTo(HaveOccurred()) | ||
|
|
||
| server := chaosdaemon.NewDaemonServerWithCRClient(crc, nil, logr.Discard()) | ||
|
|
||
| res, err := server.SetDNSServer(context.TODO(), &pb.SetDNSServerRequest{ | ||
| ContainerId: "containerd://foo", | ||
| DnsServer: "", | ||
| Enable: false, | ||
| EnterNS: false, | ||
| }) | ||
| g.Expect(err).NotTo(HaveOccurred()) | ||
| g.Expect(res).NotTo(BeNil()) | ||
|
|
||
| g.Expect(executedCommands).To(Equal([]mockCmd{ | ||
| {cmd: "sh", args: []string{"-c", "ls /etc/resolv.conf.chaos.bak && cat /etc/resolv.conf.chaos.bak > /etc/resolv.conf || true"}}, | ||
| })) | ||
| } |