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Allow user to specify container's link-local addresses

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Signed-off-by: Alessandro Boch <aboch@docker.com>
This commit is contained in:
Alessandro Boch
2016-06-09 15:10:59 -07:00
parent c913dd5f57
commit 1c4efb6aa0
11 changed files with 107 additions and 30 deletions
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47
integration-cli/docker_cli_network_unix_test.go
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@@ -1336,6 +1336,53 @@ func verifyIPAddresses(c *check.C, cName, nwname, ipv4, ipv6 string) {
c.Assert(strings.TrimSpace(out), check.Equals, ipv6)
}
func (s *DockerNetworkSuite) TestDockerNetworkConnectLinkLocalIP(c *check.C) {
// create one test network
dockerCmd(c, "network", "create", "n0")
assertNwIsAvailable(c, "n0")
// run a container with incorrect link-local address
_, _, err := dockerCmdWithError("run", "--link-local-ip", "169.253.5.5", "busybox", "top")
c.Assert(err, check.NotNil)
_, _, err = dockerCmdWithError("run", "--link-local-ip", "2001:db8::89", "busybox", "top")
c.Assert(err, check.NotNil)
// run two containers with link-local ip on the test network
dockerCmd(c, "run", "-d", "--name", "c0", "--net=n0", "--link-local-ip", "169.254.7.7", "--link-local-ip", "fe80::254:77", "busybox", "top")
c.Assert(waitRun("c0"), check.IsNil)
dockerCmd(c, "run", "-d", "--name", "c1", "--net=n0", "--link-local-ip", "169.254.8.8", "--link-local-ip", "fe80::254:88", "busybox", "top")
c.Assert(waitRun("c1"), check.IsNil)
// run a container on the default network and connect it to the test network specifying a link-local address
dockerCmd(c, "run", "-d", "--name", "c2", "busybox", "top")
c.Assert(waitRun("c2"), check.IsNil)
dockerCmd(c, "network", "connect", "--link-local-ip", "169.254.9.9", "n0", "c2")
// verify the three containers can ping each other via the link-local addresses
_, _, err = dockerCmdWithError("exec", "c0", "ping", "-c", "1", "169.254.8.8")
c.Assert(err, check.IsNil)
_, _, err = dockerCmdWithError("exec", "c1", "ping", "-c", "1", "169.254.9.9")
c.Assert(err, check.IsNil)
_, _, err = dockerCmdWithError("exec", "c2", "ping", "-c", "1", "169.254.7.7")
c.Assert(err, check.IsNil)
// Stop and restart the three containers
dockerCmd(c, "stop", "c0")
dockerCmd(c, "stop", "c1")
dockerCmd(c, "stop", "c2")
dockerCmd(c, "start", "c0")
dockerCmd(c, "start", "c1")
dockerCmd(c, "start", "c2")
// verify the ping again
_, _, err = dockerCmdWithError("exec", "c0", "ping", "-c", "1", "169.254.8.8")
c.Assert(err, check.IsNil)
_, _, err = dockerCmdWithError("exec", "c1", "ping", "-c", "1", "169.254.9.9")
c.Assert(err, check.IsNil)
_, _, err = dockerCmdWithError("exec", "c2", "ping", "-c", "1", "169.254.7.7")
c.Assert(err, check.IsNil)
}
func (s *DockerSuite) TestUserDefinedNetworkConnectDisconnectLink(c *check.C) {
testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm)
dockerCmd(c, "network", "create", "-d", "bridge", "foo1")