aboutsummaryrefslogtreecommitdiff
path: root/test/e2e/network_create_test.go
blob: 21f03901b2807f4e2308950890ecd9b685f57fc0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
package integration

import (
	"encoding/json"
	"io/ioutil"
	"net"
	"os"
	"strings"

	cniversion "github.com/containernetworking/cni/pkg/version"
	"github.com/containers/podman/v2/libpod/network"
	. "github.com/containers/podman/v2/test/utils"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/pkg/errors"
)

var ErrPluginNotFound = errors.New("plugin not found")

func findPluginByName(plugins interface{}, pluginType string) (interface{}, error) {
	for _, p := range plugins.([]interface{}) {
		r := p.(map[string]interface{})
		if pluginType == r["type"] {
			return p, nil
		}
	}
	return nil, errors.Wrap(ErrPluginNotFound, pluginType)
}

func genericPluginsToBridge(plugins interface{}, pluginType string) (network.HostLocalBridge, error) {
	var bridge network.HostLocalBridge
	generic, err := findPluginByName(plugins, pluginType)
	if err != nil {
		return bridge, err
	}
	b, err := json.Marshal(generic)
	if err != nil {
		return bridge, err
	}
	err = json.Unmarshal(b, &bridge)
	return bridge, err
}

func genericPluginsToPortMap(plugins interface{}, pluginType string) (network.PortMapConfig, error) {
	var portMap network.PortMapConfig
	generic, err := findPluginByName(plugins, "portmap")
	if err != nil {
		return portMap, err
	}
	b, err := json.Marshal(generic)
	if err != nil {
		return portMap, err
	}
	err = json.Unmarshal(b, &portMap)
	return portMap, err
}

func (p *PodmanTestIntegration) removeCNINetwork(name string) {
	session := p.Podman([]string{"network", "rm", "-f", name})
	session.WaitWithDefaultTimeout()
	Expect(session.ExitCode()).To(BeNumerically("<=", 1))
}

func removeNetworkDevice(name string) {
	session := SystemExec("ip", []string{"link", "delete", name})
	session.WaitWithDefaultTimeout()
}

var _ = Describe("Podman network create", func() {
	var (
		tempdir    string
		err        error
		podmanTest *PodmanTestIntegration
	)

	BeforeEach(func() {
		tempdir, err = CreateTempDirInTempDir()
		if err != nil {
			os.Exit(1)
		}
		podmanTest = PodmanTestCreate(tempdir)
		podmanTest.Setup()
		podmanTest.SeedImages()
	})

	AfterEach(func() {
		podmanTest.Cleanup()
		f := CurrentGinkgoTestDescription()
		processTestResult(f)
	})

	It("podman network create with no input", func() {
		var result network.NcList

		nc := podmanTest.Podman([]string{"network", "create"})
		nc.WaitWithDefaultTimeout()
		Expect(nc.ExitCode()).To(BeZero())

		fileContent, err := ioutil.ReadFile(nc.OutputToString())
		Expect(err).To(BeNil())
		err = json.Unmarshal(fileContent, &result)
		Expect(err).To(BeNil())
		defer podmanTest.removeCNINetwork(result["name"].(string))
		Expect(result["cniVersion"]).To(Equal(cniversion.Current()))
		Expect(strings.HasPrefix(result["name"].(string), "cni-podman")).To(BeTrue())

		bridgePlugin, err := genericPluginsToBridge(result["plugins"], "bridge")
		Expect(err).To(BeNil())
		portMapPlugin, err := genericPluginsToPortMap(result["plugins"], "portmap")
		Expect(err).To(BeNil())

		Expect(bridgePlugin.IPAM.Routes[0].Dest).To(Equal("0.0.0.0/0"))
		Expect(bridgePlugin.IsGW).To(BeTrue())
		Expect(bridgePlugin.IPMasq).To(BeTrue())
		Expect(portMapPlugin.Capabilities["portMappings"]).To(BeTrue())

	})

	It("podman network create with name", func() {
		var (
			results []network.NcList
		)

		nc := podmanTest.Podman([]string{"network", "create", "newname"})
		nc.WaitWithDefaultTimeout()
		Expect(nc.ExitCode()).To(BeZero())
		defer podmanTest.removeCNINetwork("newname")

		inspect := podmanTest.Podman([]string{"network", "inspect", "newname"})
		inspect.WaitWithDefaultTimeout()

		err := json.Unmarshal([]byte(inspect.OutputToString()), &results)
		Expect(err).To(BeNil())
		result := results[0]
		Expect(result["name"]).To(Equal("newname"))

	})

	It("podman network create with name and subnet", func() {
		var (
			results []network.NcList
		)
		nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.12.0/24", "newnetwork"})
		nc.WaitWithDefaultTimeout()
		Expect(nc.ExitCode()).To(BeZero())

		defer podmanTest.removeCNINetwork("newnetwork")

		// Inspect the network configuration
		inspect := podmanTest.Podman([]string{"network", "inspect", "newnetwork"})
		inspect.WaitWithDefaultTimeout()

		// JSON the network configuration into something usable
		err := json.Unmarshal([]byte(inspect.OutputToString()), &results)
		Expect(err).To(BeNil())
		result := results[0]
		Expect(result["name"]).To(Equal("newnetwork"))

		// JSON the bridge info
		bridgePlugin, err := genericPluginsToBridge(result["plugins"], "bridge")
		Expect(err).To(BeNil())

		// Once a container executes a new network, the nic will be created. We should clean those up
		// best we can
		defer removeNetworkDevice(bridgePlugin.BrName)

		try := podmanTest.Podman([]string{"run", "-it", "--rm", "--network", "newnetwork", ALPINE, "sh", "-c", "ip addr show eth0 |  awk ' /inet / {print $2}'"})
		try.WaitWithDefaultTimeout()

		_, subnet, err := net.ParseCIDR("10.11.12.0/24")
		Expect(err).To(BeNil())
		// Note this is an IPv4 test only!
		containerIP, _, err := net.ParseCIDR(try.OutputToString())
		Expect(err).To(BeNil())
		// Ensure that the IP the container got is within the subnet the user asked for
		Expect(subnet.Contains(containerIP)).To(BeTrue())
	})

	It("podman network create with name and IPv6 subnet", func() {
		SkipIfRootless("FIXME I believe this should work in rootlessmode")

		var (
			results []network.NcList
		)
		nc := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:1:2:3:4::/64", "newIPv6network"})
		nc.WaitWithDefaultTimeout()
		Expect(nc.ExitCode()).To(BeZero())

		defer podmanTest.removeCNINetwork("newIPv6network")

		// Inspect the network configuration
		inspect := podmanTest.Podman([]string{"network", "inspect", "newIPv6network"})
		inspect.WaitWithDefaultTimeout()

		// JSON the network configuration into something usable
		err := json.Unmarshal([]byte(inspect.OutputToString()), &results)
		Expect(err).To(BeNil())
		result := results[0]
		Expect(result["name"]).To(Equal("newIPv6network"))

		// JSON the bridge info
		bridgePlugin, err := genericPluginsToBridge(result["plugins"], "bridge")
		Expect(err).To(BeNil())
		Expect(bridgePlugin.IPAM.Routes[0].Dest).To(Equal("::/0"))

		// Once a container executes a new network, the nic will be created. We should clean those up
		// best we can
		defer removeNetworkDevice(bridgePlugin.BrName)

		try := podmanTest.Podman([]string{"run", "-it", "--rm", "--network", "newIPv6network", ALPINE, "sh", "-c", "ip addr show eth0 |  grep global | awk ' /inet6 / {print $2}'"})
		try.WaitWithDefaultTimeout()

		_, subnet, err := net.ParseCIDR("fd00:1:2:3:4::/64")
		Expect(err).To(BeNil())
		containerIP, _, err := net.ParseCIDR(try.OutputToString())
		Expect(err).To(BeNil())
		// Ensure that the IP the container got is within the subnet the user asked for
		Expect(subnet.Contains(containerIP)).To(BeTrue())
	})

	It("podman network create with invalid subnet", func() {
		nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.12.0/17000", "fail"})
		nc.WaitWithDefaultTimeout()
		Expect(nc).To(ExitWithError())
	})

	It("podman network create with invalid IP", func() {
		nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.0/17000", "fail"})
		nc.WaitWithDefaultTimeout()
		Expect(nc).To(ExitWithError())
	})

	It("podman network create with invalid gateway for subnet", func() {
		nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.12.0/24", "--gateway", "192.168.1.1", "fail"})
		nc.WaitWithDefaultTimeout()
		Expect(nc).To(ExitWithError())
	})

	It("podman network create two networks with same name should fail", func() {
		nc := podmanTest.Podman([]string{"network", "create", "samename"})
		nc.WaitWithDefaultTimeout()
		Expect(nc.ExitCode()).To(BeZero())
		defer podmanTest.removeCNINetwork("samename")

		ncFail := podmanTest.Podman([]string{"network", "create", "samename"})
		ncFail.WaitWithDefaultTimeout()
		Expect(ncFail).To(ExitWithError())
	})

	It("podman network create with invalid network name", func() {
		nc := podmanTest.Podman([]string{"network", "create", "foo "})
		nc.WaitWithDefaultTimeout()
		Expect(nc).To(ExitWithError())
	})

})