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CLI flag for docker create(run) to change block device size.

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Signed-off-by: Shishir Mahajan <shishir.mahajan@redhat.com>
This commit is contained in:
Shishir Mahajan
2016-03-20 00:42:58 -04:00
parent 35986d4824
commit b16decfccf
30 changed files with 228 additions and 72 deletions
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21
integration-cli/docker_cli_create_test.go
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@ -60,6 +60,27 @@ func (s *DockerSuite) TestCreateArgs(c *check.C) {
}
// Make sure we can grow the container's rootfs at creation time.
func (s *DockerSuite) TestCreateGrowRootfs(c *check.C) {
testRequires(c, Devicemapper)
out, _ := dockerCmd(c, "create", "--storage-opt", "size=120G", "busybox")
cleanedContainerID := strings.TrimSpace(out)
inspectOut := inspectField(c, cleanedContainerID, "HostConfig.StorageOpt")
c.Assert(inspectOut, checker.Equals, "[size=120G]")
}
// Make sure we cannot shrink the container's rootfs at creation time.
func (s *DockerSuite) TestCreateShrinkRootfs(c *check.C) {
testRequires(c, Devicemapper)
// Ensure this fails
out, _, err := dockerCmdWithError("create", "--storage-opt", "size=80G", "busybox")
c.Assert(err, check.NotNil, check.Commentf(out))
c.Assert(out, checker.Contains, "Container size cannot be smaller than")
}
// Make sure we can set hostconfig options too
func (s *DockerSuite) TestCreateHostConfig(c *check.C) {
out, _ := dockerCmd(c, "create", "-P", "busybox", "echo")