mirror of
https://github.com/containers/podman.git
synced 2026-02-02 10:21:53 -05:00
7a64ce35db
In local Podman, the frontend interprets the error and exit code given by the Exec API to determine the appropriate exit code to set for Podman itself; special cases like a missing executable receive special exit codes. Exec for the remote API, however, has to do this inside Libpod itself, as Libpod will be directly queried (via the Inspect API for exec sessions) to get the exit code. This was done correctly when the exec session started properly, but we did not properly handle cases where the OCI runtime fails before the exec session can properly start. Making two error returns that would otherwise not set exit code actually do so should resolve the issue. Fixes #6893 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
313 lines
10 KiB
Go
313 lines
10 KiB
Go
package integration
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import (
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"fmt"
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"os"
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"strings"
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. "github.com/containers/podman/v2/test/utils"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("Podman exec", func() {
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var (
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tempdir string
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err error
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podmanTest *PodmanTestIntegration
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)
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BeforeEach(func() {
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tempdir, err = CreateTempDirInTempDir()
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if err != nil {
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os.Exit(1)
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}
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podmanTest = PodmanTestCreate(tempdir)
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podmanTest.Setup()
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podmanTest.SeedImages()
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})
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AfterEach(func() {
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podmanTest.Cleanup()
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f := CurrentGinkgoTestDescription()
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processTestResult(f)
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})
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It("podman exec into bogus container", func() {
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session := podmanTest.Podman([]string{"exec", "foobar", "ls"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(125))
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})
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It("podman exec without command", func() {
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session := podmanTest.Podman([]string{"exec", "foobar"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(125))
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})
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It("podman exec simple command", func() {
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setup := podmanTest.RunTopContainer("test1")
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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session := podmanTest.Podman([]string{"exec", "test1", "ls"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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})
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It("podman container exec simple command", func() {
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setup := podmanTest.RunTopContainer("test1")
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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session := podmanTest.Podman([]string{"container", "exec", "test1", "ls"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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})
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It("podman exec simple command using latest", func() {
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// the remote client doesn't use latest
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SkipIfRemote()
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setup := podmanTest.RunTopContainer("test1")
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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session := podmanTest.Podman([]string{"exec", "-l", "ls"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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})
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It("podman exec environment test", func() {
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setup := podmanTest.RunTopContainer("test1")
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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session := podmanTest.Podman([]string{"exec", "--env", "FOO=BAR", "test1", "printenv", "FOO"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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match, _ := session.GrepString("BAR")
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Expect(match).Should(BeTrue())
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session = podmanTest.Podman([]string{"exec", "--env", "PATH=/bin", "test1", "printenv", "PATH"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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match, _ = session.GrepString("/bin")
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Expect(match).Should(BeTrue())
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})
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It("podman exec os.Setenv env", func() {
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// remote doesn't properly interpret os.Setenv
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setup := podmanTest.RunTopContainer("test1")
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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os.Setenv("FOO", "BAR")
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session := podmanTest.Podman([]string{"exec", "--env", "FOO", "test1", "printenv", "FOO"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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match, _ := session.GrepString("BAR")
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Expect(match).Should(BeTrue())
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os.Unsetenv("FOO")
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})
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It("podman exec exit code", func() {
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setup := podmanTest.RunTopContainer("test1")
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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session := podmanTest.Podman([]string{"exec", "test1", "sh", "-c", "exit 100"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(100))
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})
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It("podman exec terminal doesn't hang", func() {
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Skip(v2remotefail)
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setup := podmanTest.Podman([]string{"run", "-dti", fedoraMinimal, "sleep", "+Inf"})
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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for i := 0; i < 5; i++ {
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session := podmanTest.Podman([]string{"exec", "-lti", "true"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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}
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})
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It("podman exec pseudo-terminal sanity check", func() {
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setup := podmanTest.Podman([]string{"run", "--detach", "--name", "test1", fedoraMinimal, "sleep", "+Inf"})
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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session := podmanTest.Podman([]string{"exec", "--interactive", "--tty", "test1", "/usr/bin/stty", "--all"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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match, _ := session.GrepString(" onlcr")
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Expect(match).Should(BeTrue())
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})
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It("podman exec simple command with user", func() {
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setup := podmanTest.RunTopContainer("test1")
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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session := podmanTest.Podman([]string{"exec", "--user", "root", "test1", "ls"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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})
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It("podman exec with user only in container", func() {
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testUser := "test123"
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setup := podmanTest.Podman([]string{"run", "--name", "test1", "-d", fedoraMinimal, "sleep", "60"})
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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session := podmanTest.Podman([]string{"exec", "test1", "useradd", testUser})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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session2 := podmanTest.Podman([]string{"exec", "--user", testUser, "test1", "whoami"})
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session2.WaitWithDefaultTimeout()
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Expect(session2.ExitCode()).To(Equal(0))
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Expect(session2.OutputToString()).To(Equal(testUser))
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})
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It("podman exec with user from run", func() {
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testUser := "guest"
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setup := podmanTest.Podman([]string{"run", "--user", testUser, "-d", ALPINE, "top"})
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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ctrID := setup.OutputToString()
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session := podmanTest.Podman([]string{"exec", ctrID, "whoami"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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Expect(session.OutputToString()).To(ContainSubstring(testUser))
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overrideUser := "root"
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session = podmanTest.Podman([]string{"exec", "--user", overrideUser, ctrID, "whoami"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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Expect(session.OutputToString()).To(ContainSubstring(overrideUser))
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})
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It("podman exec simple working directory test", func() {
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setup := podmanTest.RunTopContainer("test1")
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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session := podmanTest.Podman([]string{"exec", "--workdir", "/tmp", "test1", "pwd"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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match, _ := session.GrepString("/tmp")
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Expect(match).Should(BeTrue())
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session = podmanTest.Podman([]string{"exec", "-w", "/tmp", "test1", "pwd"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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match, _ = session.GrepString("/tmp")
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Expect(match).Should(BeTrue())
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})
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It("podman exec missing working directory test", func() {
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setup := podmanTest.RunTopContainer("test1")
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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session := podmanTest.Podman([]string{"exec", "--workdir", "/missing", "test1", "pwd"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(ExitWithError())
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session = podmanTest.Podman([]string{"exec", "-w", "/missing", "test1", "pwd"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(ExitWithError())
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})
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It("podman exec cannot be invoked", func() {
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setup := podmanTest.RunTopContainer("test1")
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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session := podmanTest.Podman([]string{"exec", "test1", "/etc"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(126))
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})
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It("podman exec command not found", func() {
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setup := podmanTest.RunTopContainer("test1")
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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session := podmanTest.Podman([]string{"exec", "test1", "notthere"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(127))
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})
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It("podman exec preserve fds sanity check", func() {
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setup := podmanTest.RunTopContainer("test1")
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setup.WaitWithDefaultTimeout()
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Expect(setup.ExitCode()).To(Equal(0))
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devNull, err := os.Open("/dev/null")
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Expect(err).To(BeNil())
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defer devNull.Close()
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files := []*os.File{
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devNull,
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}
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session := podmanTest.PodmanExtraFiles([]string{"exec", "--preserve-fds", "1", "test1", "ls"}, files)
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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})
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It("podman exec preserves --group-add groups", func() {
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groupName := "group1"
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gid := "4444"
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ctrName1 := "ctr1"
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ctr1 := podmanTest.Podman([]string{"run", "-ti", "--name", ctrName1, fedoraMinimal, "groupadd", "-g", gid, groupName})
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ctr1.WaitWithDefaultTimeout()
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Expect(ctr1.ExitCode()).To(Equal(0))
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imgName := "img1"
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commit := podmanTest.Podman([]string{"commit", ctrName1, imgName})
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commit.WaitWithDefaultTimeout()
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Expect(commit.ExitCode()).To(Equal(0))
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ctrName2 := "ctr2"
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ctr2 := podmanTest.Podman([]string{"run", "-d", "--name", ctrName2, "--group-add", groupName, imgName, "sleep", "300"})
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ctr2.WaitWithDefaultTimeout()
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Expect(ctr2.ExitCode()).To(Equal(0))
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exec := podmanTest.Podman([]string{"exec", "-ti", ctrName2, "id"})
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exec.WaitWithDefaultTimeout()
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Expect(exec.ExitCode()).To(Equal(0))
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Expect(strings.Contains(exec.OutputToString(), fmt.Sprintf("%s(%s)", gid, groupName))).To(BeTrue())
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})
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It("podman exec --detach", func() {
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ctrName := "testctr"
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ctr := podmanTest.Podman([]string{"run", "-t", "-i", "-d", "--name", ctrName, ALPINE, "top"})
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ctr.WaitWithDefaultTimeout()
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Expect(ctr.ExitCode()).To(Equal(0))
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exec1 := podmanTest.Podman([]string{"exec", "-t", "-i", "-d", ctrName, "top"})
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exec1.WaitWithDefaultTimeout()
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Expect(ctr.ExitCode()).To(Equal(0))
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data := podmanTest.InspectContainer(ctrName)
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Expect(len(data)).To(Equal(1))
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Expect(len(data[0].ExecIDs)).To(Equal(1))
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Expect(strings.Contains(exec1.OutputToString(), data[0].ExecIDs[0])).To(BeTrue())
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exec2 := podmanTest.Podman([]string{"exec", "-t", "-i", ctrName, "ps", "-a"})
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exec2.WaitWithDefaultTimeout()
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Expect(ctr.ExitCode()).To(Equal(0))
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Expect(strings.Count(exec2.OutputToString(), "top")).To(Equal(2))
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// Ensure that stop with a running detached exec session is
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// clean.
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stop := podmanTest.Podman([]string{"stop", ctrName})
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stop.WaitWithDefaultTimeout()
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Expect(stop.ExitCode()).To(Equal(0))
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})
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})
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