aboutsummaryrefslogtreecommitdiff
path: root/test/e2e/cp_test.go
blob: f81323847dfe4742e8755bb3c7dc121445787282 (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
package integration

import (
	"io/ioutil"
	"os"
	"os/exec"
	"os/user"
	"path/filepath"

	. "github.com/containers/podman/v2/test/utils"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

// NOTE: Only smoke tests.  The system tests (i.e., "./test/system/*") take
// care of function and regression tests.  Please consider adding system tests
// rather than e2e tests.  System tests are used in RHEL gating.

var _ = Describe("Podman cp", 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)

	})

	// Copy a file to the container, then back to the host and make sure
	// that the contents match.
	It("podman cp file", func() {
		srcFile, err := ioutil.TempFile("", "")
		Expect(err).To(BeNil())
		defer srcFile.Close()
		defer os.Remove(srcFile.Name())

		originalContent := []byte("podman cp file test")
		err = ioutil.WriteFile(srcFile.Name(), originalContent, 0644)
		Expect(err).To(BeNil())

		// Create a container. NOTE that container mustn't be running for copying.
		session := podmanTest.Podman([]string{"create", ALPINE})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		name := session.OutputToString()

		// Copy TO the container.

		// Cannot copy to a nonexistent path (note the trailing "/").
		session = podmanTest.Podman([]string{"cp", srcFile.Name(), name + ":foo/"})
		session.WaitWithDefaultTimeout()
		Expect(session).To(ExitWithError())

		// The file will now be created (and written to).
		session = podmanTest.Podman([]string{"cp", srcFile.Name(), name + ":foo"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		// Copy FROM the container.

		destFile, err := ioutil.TempFile("", "")
		Expect(err).To(BeNil())
		defer destFile.Close()
		defer os.Remove(destFile.Name())

		session = podmanTest.Podman([]string{"cp", name + ":foo", destFile.Name()})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.Podman([]string{"start", name})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		// Now make sure the content matches.
		roundtripContent, err := ioutil.ReadFile(destFile.Name())
		Expect(err).To(BeNil())
		Expect(roundtripContent).To(Equal(originalContent))
	})

	// Create a symlink in the container, use it as a copy destination and
	// make sure that the link and the resolved path are accessible and
	// give the right content.
	It("podman cp symlink", func() {
		srcFile, err := ioutil.TempFile("", "")
		Expect(err).To(BeNil())
		defer srcFile.Close()
		defer os.Remove(srcFile.Name())

		originalContent := []byte("podman cp symlink test")
		err = ioutil.WriteFile(srcFile.Name(), originalContent, 0644)
		Expect(err).To(BeNil())

		session := podmanTest.Podman([]string{"run", "-d", ALPINE, "top"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		name := session.OutputToString()

		session = podmanTest.Podman([]string{"exec", name, "ln", "-s", "/tmp", "/test"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.Podman([]string{"cp", "--pause=false", srcFile.Name(), name + ":/test"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.Podman([]string{"exec", name, "cat", "/tmp/" + filepath.Base(srcFile.Name())})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		Expect(session.OutputToString()).To(ContainSubstring(string(originalContent)))

		session = podmanTest.Podman([]string{"exec", name, "cat", "/test/" + filepath.Base(srcFile.Name())})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		Expect(session.OutputToString()).To(ContainSubstring(string(originalContent)))
	})

	// Copy a file to a volume in the container.  The tricky part is that
	// containers mustn't be running for copying, so Podman has to do some
	// intense Yoga and 1) detect volume paths on the container, 2) resolve
	// the path to the volume's mount point on the host, and 3) copy the
	// data to the volume and not the container.
	It("podman cp volume", func() {
		srcFile, err := ioutil.TempFile("", "")
		Expect(err).To(BeNil())
		defer srcFile.Close()
		defer os.Remove(srcFile.Name())

		originalContent := []byte("podman cp volume")
		err = ioutil.WriteFile(srcFile.Name(), originalContent, 0644)
		Expect(err).To(BeNil())
		session := podmanTest.Podman([]string{"volume", "create", "data"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.Podman([]string{"create", "-v", "data:/data", "--name", "container1", ALPINE})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.Podman([]string{"cp", srcFile.Name(), "container1" + ":/data/file.txt"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		// Now get the volume's mount point, read the file and make
		// sure the contents match.
		session = podmanTest.Podman([]string{"volume", "inspect", "data", "--format", "{{.Mountpoint}}"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		volumeMountPoint := session.OutputToString()
		copiedContent, err := ioutil.ReadFile(filepath.Join(volumeMountPoint, "file.txt"))
		Expect(err).To(BeNil())
		Expect(copiedContent).To(Equal(originalContent))
	})

	// Create another user in the container, let them create a file, copy
	// it to the host and back to the container and make sure that we can
	// access it, and (roughly) the right users own it.
	It("podman cp from ctr chown ", func() {
		srcFile, err := ioutil.TempFile("", "")
		Expect(err).To(BeNil())
		defer srcFile.Close()
		defer os.Remove(srcFile.Name())

		setup := podmanTest.RunTopContainer("testctr")
		setup.WaitWithDefaultTimeout()
		Expect(setup.ExitCode()).To(Equal(0))

		session := podmanTest.Podman([]string{"exec", "testctr", "adduser", "-S", "testuser"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.Podman([]string{"exec", "-u", "testuser", "testctr", "touch", "/tmp/testfile"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.Podman([]string{"cp", "--pause=false", "testctr:/tmp/testfile", srcFile.Name()})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		// owner of the file copied to local machine is not testuser
		u, err := user.Current()
		Expect(err).To(BeNil())
		cmd := exec.Command("ls", "-l", srcFile.Name())
		cmdRet, err := cmd.Output()
		Expect(err).To(BeNil())
		Expect(string(cmdRet)).To(ContainSubstring(u.Username))

		session = podmanTest.Podman([]string{"cp", "--pause=false", srcFile.Name(), "testctr:testfile2"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		// owner of the file copied to a container is the root user
		session = podmanTest.Podman([]string{"exec", "-it", "testctr", "ls", "-l", "testfile2"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		Expect(session.OutputToString()).To(ContainSubstring("root"))
	})

	// Copy the root dir "/" of a container to the host.
	It("podman cp the root directory from the ctr to an existing directory on the host ", func() {
		container := "copyroottohost"
		session := podmanTest.RunTopContainer(container)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.Podman([]string{"exec", container, "touch", "/dummy.txt"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		tmpDir, err := ioutil.TempDir("", "")
		Expect(err).To(BeNil())

		session = podmanTest.Podman([]string{"cp", container + ":/", tmpDir})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		cmd := exec.Command("ls", "-la", tmpDir)
		output, err := cmd.Output()
		lsOutput := string(output)
		Expect(err).To(BeNil())
		Expect(lsOutput).To(ContainSubstring("dummy.txt"))
		Expect(lsOutput).To(ContainSubstring("tmp"))
		Expect(lsOutput).To(ContainSubstring("etc"))
		Expect(lsOutput).To(ContainSubstring("var"))
		Expect(lsOutput).To(ContainSubstring("bin"))
		Expect(lsOutput).To(ContainSubstring("usr"))
	})
})