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Containerize TestDaemonNoSpaceLeftOnDeviceError

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Why? Because the `mount` here will sometimes fail when run in
`debian:jessie`, which is what the environrment hosting the test suite
is running if run from the `Makefile`.
Also, why the heck not containerize it, all the things.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
This commit is contained in:
Brian Goff 2016-04-19 17:16:18 -04:00
parent ab6b82b856
commit 59b83d8aae
1 changed files with 15 additions and 17 deletions
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32
integration-cli/docker_cli_daemon_test.go
View file

@ -21,6 +21,7 @@ import (
"time"
"github.com/docker/docker/pkg/integration/checker"
"github.com/docker/docker/pkg/mount"
"github.com/docker/go-units"
"github.com/docker/libnetwork/iptables"
"github.com/docker/libtrust"
@ -1909,27 +1910,24 @@ func (s *DockerDaemonSuite) TestBridgeIPIsExcludedFromAllocatorPool(c *check.C)
}
// Test daemon for no space left on device error
func (s *DockerDaemonSuite) TestDaemonNoSpaceleftOnDeviceError(c *check.C) {
func (s *DockerDaemonSuite) TestDaemonNoSpaceLeftOnDeviceError(c *check.C) {
testRequires(c, SameHostDaemon, DaemonIsLinux, Network)
testDir, err := ioutil.TempDir("", "no-space-left-on-device-test")
c.Assert(err, checker.IsNil)
defer os.RemoveAll(testDir)
c.Assert(mount.MakeRShared(testDir), checker.IsNil)
defer mount.Unmount(testDir)
defer mount.Unmount(filepath.Join(testDir, "test-mount"))
// create a 2MiB image and mount it as graph root
cmd := exec.Command("dd", "of=/tmp/testfs.img", "bs=1M", "seek=2", "count=0")
out, err := cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf(string(out)))
// Why in a container? Because `mount` sometimes behaves weirdly and often fails outright on this test in debian:jessie (which is what the test suite runs under if run from the Makefile)
dockerCmd(c, "run", "--rm", "-v", testDir+":/test", "busybox", "sh", "-c", "dd of=/test/testfs.img bs=1M seek=2 count=0")
out, _, err := runCommandWithOutput(exec.Command("mkfs.ext4", "-F", filepath.Join(testDir, "testfs.img"))) // `mkfs.ext4` is not in busybox
c.Assert(err, checker.IsNil, check.Commentf(out))
dockerCmd(c, "run", "--privileged", "--rm", "-v", testDir+":/test:shared", "busybox", "sh", "-c", "mkdir -p /test/test-mount && mount -t ext4 -no loop,rw /test/testfs.img /test/test-mount")
cmd = exec.Command("mkfs.ext4", "-F", "/tmp/testfs.img")
out, err = cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf(string(out)))
cmd = exec.Command("mkdir", "-p", "/tmp/testfs-mount")
out, err = cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf(string(out)))
cmd = exec.Command("mount", "-t", "ext4", "-no", "loop,rw", "/tmp/testfs.img", "/tmp/testfs-mount")
out, err = cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf(string(out)))
err = s.d.Start("--graph", "/tmp/testfs-mount")
err = s.d.Start("--graph", filepath.Join(testDir, "test-mount"))
c.Assert(err, check.IsNil)
// pull a repository large enough to fill the mount point