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|
package integration
import (
"fmt"
"os"
"strings"
. "github.com/containers/podman/v2/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Podman exec", 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 exec into bogus container", func() {
session := podmanTest.Podman([]string{"exec", "foobar", "ls"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(125))
})
It("podman exec without command", func() {
session := podmanTest.Podman([]string{"exec", "foobar"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(125))
})
It("podman exec simple command", func() {
setup := podmanTest.RunTopContainer("test1")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session := podmanTest.Podman([]string{"exec", "test1", "ls"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
})
It("podman container exec simple command", func() {
setup := podmanTest.RunTopContainer("test1")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session := podmanTest.Podman([]string{"container", "exec", "test1", "ls"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
})
It("podman exec simple command using latest", func() {
setup := podmanTest.RunTopContainer("test1")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
cid := "-l"
if IsRemote() {
cid = "test1"
}
session := podmanTest.Podman([]string{"exec", cid, "ls"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
})
It("podman exec environment test", func() {
setup := podmanTest.RunTopContainer("test1")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session := podmanTest.Podman([]string{"exec", "--env", "FOO=BAR", "test1", "printenv", "FOO"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(Equal("BAR"))
session = podmanTest.Podman([]string{"exec", "--env", "PATH=/bin", "test1", "printenv", "PATH"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(Equal("/bin"))
})
It("podman exec os.Setenv env", func() {
// remote doesn't properly interpret os.Setenv
setup := podmanTest.RunTopContainer("test1")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
os.Setenv("FOO", "BAR")
session := podmanTest.Podman([]string{"exec", "--env", "FOO", "test1", "printenv", "FOO"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(Equal("BAR"))
os.Unsetenv("FOO")
})
It("podman exec exit code", func() {
setup := podmanTest.RunTopContainer("test1")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session := podmanTest.Podman([]string{"exec", "test1", "sh", "-c", "exit 100"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(100))
})
It("podman exec --privileged", func() {
session := podmanTest.Podman([]string{"run", "--privileged", "--rm", ALPINE, "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
bndPerms := session.OutputToString()
session = podmanTest.Podman([]string{"run", "--privileged", "--rm", ALPINE, "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
effPerms := session.OutputToString()
setup := podmanTest.RunTopContainer("test-privileged")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session = podmanTest.Podman([]string{"exec", "--privileged", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(effPerms))
session = podmanTest.Podman([]string{"exec", "--privileged", "test-privileged", "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(bndPerms))
})
It("podman exec --privileged", func() {
session := podmanTest.Podman([]string{"run", "--privileged", "--user=bin", "--rm", ALPINE, "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
bndPerms := session.OutputToString()
session = podmanTest.Podman([]string{"run", "--privileged", "--user=bin", "--rm", ALPINE, "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
effPerms := session.OutputToString()
setup := podmanTest.RunTopContainer("test-privileged")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session = podmanTest.Podman([]string{"exec", "--privileged", "--user=bin", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(effPerms))
session = podmanTest.Podman([]string{"exec", "--privileged", "--user=bin", "test-privileged", "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(bndPerms))
})
It("podman exec --privileged", func() {
session := podmanTest.Podman([]string{"run", "--privileged", "--rm", ALPINE, "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
bndPerms := session.OutputToString()
setup := podmanTest.RunTopContainer("test-privileged")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session = podmanTest.Podman([]string{"exec", "--privileged", "--user=bin", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring("00000000"))
session = podmanTest.Podman([]string{"exec", "--privileged", "--user=bin", "test-privileged", "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(bndPerms))
})
It("podman exec --privileged container not running as root", func() {
session := podmanTest.Podman([]string{"run", "--privileged", "--rm", ALPINE, "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
bndPerms := session.OutputToString()
setup := podmanTest.RunTopContainerWithArgs("test-privileged", []string{"--user=bin"})
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session = podmanTest.Podman([]string{"exec", "--privileged", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring("00000000"))
session = podmanTest.Podman([]string{"exec", "--privileged", "--user=bin", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring("00000000"))
session = podmanTest.Podman([]string{"exec", "--privileged", "--user=root", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(bndPerms))
session = podmanTest.Podman([]string{"exec", "--privileged", "--user=bin", "test-privileged", "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(bndPerms))
})
It("podman exec with user with cap-add", func() {
capAdd := "--cap-add=net_bind_service"
session := podmanTest.Podman([]string{"run", "--user=bin", capAdd, "--rm", ALPINE, "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
bndPerms := session.OutputToString()
session = podmanTest.Podman([]string{"run", "--user=bin", capAdd, "--rm", ALPINE, "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
effPerms := session.OutputToString()
setup := podmanTest.RunTopContainerWithArgs("test-privileged", []string{"--user=bin", capAdd})
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session = podmanTest.Podman([]string{"exec", "test-privileged", "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(bndPerms))
session = podmanTest.Podman([]string{"exec", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(effPerms))
})
It("podman exec with user with and cap-drop cap-add", func() {
capAdd := "--cap-add=net_bind_service"
capDrop := "--cap-drop=all"
session := podmanTest.Podman([]string{"run", "--user=bin", capDrop, capAdd, "--rm", ALPINE, "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
bndPerms := session.OutputToString()
session = podmanTest.Podman([]string{"run", "--user=bin", capDrop, capAdd, "--rm", ALPINE, "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
effPerms := session.OutputToString()
setup := podmanTest.RunTopContainerWithArgs("test-privileged", []string{"--user=bin", capDrop, capAdd})
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session = podmanTest.Podman([]string{"exec", "test-privileged", "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(bndPerms))
session = podmanTest.Podman([]string{"exec", "--privileged", "test-privileged", "sh", "-c", "grep ^CapInh /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(effPerms))
session = podmanTest.Podman([]string{"exec", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(effPerms))
session = podmanTest.Podman([]string{"exec", "test-privileged", "sh", "-c", "grep ^CapPrm /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(effPerms))
session = podmanTest.Podman([]string{"exec", "test-privileged", "sh", "-c", "grep ^CapAmb /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(effPerms))
})
It("podman exec --privileged with user", func() {
session := podmanTest.Podman([]string{"run", "--privileged", "--user=bin", "--rm", ALPINE, "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
bindPerms := session.OutputToString()
setup := podmanTest.RunTopContainerWithArgs("test-privileged", []string{"--privileged", "--user=bin"})
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session = podmanTest.Podman([]string{"exec", "--privileged", "test-privileged", "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(bindPerms))
session = podmanTest.Podman([]string{"exec", "--privileged", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring("0000000000000000"))
})
It("podman exec terminal doesn't hang", func() {
setup := podmanTest.Podman([]string{"run", "-dti", "--name", "test1", fedoraMinimal, "sleep", "+Inf"})
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
for i := 0; i < 5; i++ {
session := podmanTest.Podman([]string{"exec", "-ti", "test1", "true"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
}
})
It("podman exec pseudo-terminal sanity check", func() {
setup := podmanTest.Podman([]string{"run", "--detach", "--name", "test1", fedoraMinimal, "sleep", "+Inf"})
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session := podmanTest.Podman([]string{"exec", "--interactive", "--tty", "test1", "/usr/bin/stty", "--all"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(" onlcr"))
})
It("podman exec simple command with user", func() {
setup := podmanTest.RunTopContainer("test1")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session := podmanTest.Podman([]string{"exec", "--user", "root", "test1", "ls"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
})
It("podman exec with user only in container", func() {
testUser := "test123"
setup := podmanTest.Podman([]string{"run", "--name", "test1", "-d", fedoraMinimal, "sleep", "60"})
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session := podmanTest.Podman([]string{"exec", "test1", "useradd", testUser})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
session2 := podmanTest.Podman([]string{"exec", "--user", testUser, "test1", "whoami"})
session2.WaitWithDefaultTimeout()
Expect(session2.ExitCode()).To(Equal(0))
Expect(session2.OutputToString()).To(Equal(testUser))
})
It("podman exec with user from run", func() {
testUser := "guest"
setup := podmanTest.Podman([]string{"run", "--user", testUser, "-d", ALPINE, "top"})
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
ctrID := setup.OutputToString()
session := podmanTest.Podman([]string{"exec", ctrID, "whoami"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(testUser))
overrideUser := "root"
session = podmanTest.Podman([]string{"exec", "--user", overrideUser, ctrID, "whoami"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring(overrideUser))
})
It("podman exec simple working directory test", func() {
setup := podmanTest.RunTopContainer("test1")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session := podmanTest.Podman([]string{"exec", "--workdir", "/tmp", "test1", "pwd"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(Equal("/tmp"))
session = podmanTest.Podman([]string{"exec", "-w", "/tmp", "test1", "pwd"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(Equal("/tmp"))
})
It("podman exec missing working directory test", func() {
setup := podmanTest.RunTopContainer("test1")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session := podmanTest.Podman([]string{"exec", "--workdir", "/missing", "test1", "pwd"})
session.WaitWithDefaultTimeout()
Expect(session).To(ExitWithError())
session = podmanTest.Podman([]string{"exec", "-w", "/missing", "test1", "pwd"})
session.WaitWithDefaultTimeout()
Expect(session).To(ExitWithError())
})
It("podman exec cannot be invoked", func() {
setup := podmanTest.RunTopContainer("test1")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session := podmanTest.Podman([]string{"exec", "test1", "/etc"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(126))
})
It("podman exec command not found", func() {
setup := podmanTest.RunTopContainer("test1")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
session := podmanTest.Podman([]string{"exec", "test1", "notthere"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(127))
})
It("podman exec preserve fds sanity check", func() {
setup := podmanTest.RunTopContainer("test1")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
devNull, err := os.Open("/dev/null")
Expect(err).To(BeNil())
defer devNull.Close()
files := []*os.File{
devNull,
}
session := podmanTest.PodmanExtraFiles([]string{"exec", "--preserve-fds", "1", "test1", "ls"}, files)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
})
It("podman exec preserves --group-add groups", func() {
groupName := "group1"
gid := "4444"
ctrName1 := "ctr1"
ctr1 := podmanTest.Podman([]string{"run", "-ti", "--name", ctrName1, fedoraMinimal, "groupadd", "-g", gid, groupName})
ctr1.WaitWithDefaultTimeout()
Expect(ctr1.ExitCode()).To(Equal(0))
imgName := "img1"
commit := podmanTest.Podman([]string{"commit", ctrName1, imgName})
commit.WaitWithDefaultTimeout()
Expect(commit.ExitCode()).To(Equal(0))
ctrName2 := "ctr2"
ctr2 := podmanTest.Podman([]string{"run", "-d", "--name", ctrName2, "--group-add", groupName, imgName, "sleep", "300"})
ctr2.WaitWithDefaultTimeout()
Expect(ctr2.ExitCode()).To(Equal(0))
exec := podmanTest.Podman([]string{"exec", "-ti", ctrName2, "id"})
exec.WaitWithDefaultTimeout()
Expect(exec.ExitCode()).To(Equal(0))
Expect(exec.OutputToString()).To(ContainSubstring(fmt.Sprintf("%s(%s)", gid, groupName)))
})
It("podman exec preserves container groups with --user and --group-add", func() {
dockerfile := `FROM registry.fedoraproject.org/fedora-minimal
RUN groupadd -g 4000 first
RUN groupadd -g 4001 second
RUN useradd -u 1000 auser`
imgName := "testimg"
podmanTest.BuildImage(dockerfile, imgName, "false")
ctrName := "testctr"
ctr := podmanTest.Podman([]string{"run", "-t", "-i", "-d", "--name", ctrName, "--user", "auser:first", "--group-add", "second", imgName, "sleep", "300"})
ctr.WaitWithDefaultTimeout()
Expect(ctr.ExitCode()).To(Equal(0))
exec := podmanTest.Podman([]string{"exec", "-t", ctrName, "id"})
exec.WaitWithDefaultTimeout()
Expect(exec.ExitCode()).To(Equal(0))
output := exec.OutputToString()
Expect(output).To(ContainSubstring("4000(first)"))
Expect(output).To(ContainSubstring("4001(second)"))
Expect(output).To(ContainSubstring("1000(auser)"))
// Kill the container just so the test does not take 15 seconds to stop.
kill := podmanTest.Podman([]string{"kill", ctrName})
kill.WaitWithDefaultTimeout()
Expect(kill.ExitCode()).To(Equal(0))
})
It("podman exec --detach", func() {
ctrName := "testctr"
ctr := podmanTest.Podman([]string{"run", "-t", "-i", "-d", "--name", ctrName, ALPINE, "top"})
ctr.WaitWithDefaultTimeout()
Expect(ctr.ExitCode()).To(Equal(0))
exec1 := podmanTest.Podman([]string{"exec", "-t", "-i", "-d", ctrName, "top"})
exec1.WaitWithDefaultTimeout()
Expect(ctr.ExitCode()).To(Equal(0))
data := podmanTest.InspectContainer(ctrName)
Expect(len(data)).To(Equal(1))
Expect(len(data[0].ExecIDs)).To(Equal(1))
Expect(exec1.OutputToString()).To(ContainSubstring(data[0].ExecIDs[0]))
exec2 := podmanTest.Podman([]string{"exec", "-t", "-i", ctrName, "ps", "-a"})
exec2.WaitWithDefaultTimeout()
Expect(ctr.ExitCode()).To(Equal(0))
Expect(strings.Count(exec2.OutputToString(), "top")).To(Equal(2))
// Ensure that stop with a running detached exec session is
// clean.
stop := podmanTest.Podman([]string{"stop", ctrName})
stop.WaitWithDefaultTimeout()
Expect(stop.ExitCode()).To(Equal(0))
})
})
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