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Integration tests for --ip daemon option

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Signed-off-by: Madhu Venugopal <madhu@docker.com>
This commit is contained in:
Madhu Venugopal 2015-04-28 10:26:59 -07:00
parent 0e254411b1
commit ba11929ebd
1 changed files with 47 additions and 5 deletions
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52
integration-cli/docker_cli_daemon_test.go
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@ -10,6 +10,7 @@ import (
"os" "os"
"os/exec" "os/exec"
"path/filepath" "path/filepath"
"regexp"
"strconv" "strconv"
"strings" "strings"
"time" "time"
@ -489,11 +490,11 @@ func (s *DockerDaemonSuite) TestDaemonBridgeExternal(c *check.C) {
containerIp)) containerIp))
// Reset to Defaults // Reset to Defaults
deleteBridge(c, bridgeName) deleteInterface(c, bridgeName)
d.Restart() d.Restart()
} }
func deleteBridge(c *check.C, bridge string) { func deleteInterface(c *check.C, bridge string) {
ifCmd := exec.Command("ip", "link", "delete", bridge) ifCmd := exec.Command("ip", "link", "delete", bridge)
_, _, _, err := runCommandWithStdoutStderr(ifCmd) _, _, _, err := runCommandWithStdoutStderr(ifCmd)
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
@ -515,7 +516,7 @@ func (s *DockerDaemonSuite) TestDaemonBridgeIP(c *check.C) {
// 7. Stop the Docker Daemon (via defered action) // 7. Stop the Docker Daemon (via defered action)
defaultNetworkBridge := "docker0" defaultNetworkBridge := "docker0"
deleteBridge(c, defaultNetworkBridge) deleteInterface(c, defaultNetworkBridge)
d := s.d d := s.d
@ -553,7 +554,7 @@ func (s *DockerDaemonSuite) TestDaemonBridgeIP(c *check.C) {
containerIp)) containerIp))
// Reset to Defaults // Reset to Defaults
deleteBridge(c, defaultNetworkBridge) deleteInterface(c, defaultNetworkBridge)
d.Restart() d.Restart()
pingContainers(c) pingContainers(c)
} }
@ -585,7 +586,48 @@ func (s *DockerDaemonSuite) TestDaemonBridgeFixedCidr(c *check.C) {
} }
// Reset to Defaults // Reset to Defaults
deleteBridge(c, bridgeName) deleteInterface(c, bridgeName)
d.Restart()
}
func (s *DockerDaemonSuite) TestDaemonIP(c *check.C) {
d := s.d
ipStr := "192.170.1.1/24"
ip, _, _ := net.ParseCIDR(ipStr)
args := []string{"--ip", ip.String()}
err := d.StartWithBusybox(args...)
c.Assert(err, check.IsNil)
out, err := d.Cmd("run", "-d", "-p", "8000:8000", "busybox", "top")
c.Assert(err, check.Not(check.IsNil),
check.Commentf("Running a container must fail with an invalid --ip option"))
c.Assert(strings.Contains(out, "Error starting userland proxy"), check.Equals, true)
ifName := "dummy"
args = []string{"link", "add", "name", ifName, "type", "dummy"}
ipLinkCmd := exec.Command("ip", args...)
_, _, _, err = runCommandWithStdoutStderr(ipLinkCmd)
c.Assert(err, check.IsNil)
ifCmd := exec.Command("ifconfig", ifName, ipStr, "up")
_, _, _, err = runCommandWithStdoutStderr(ifCmd)
c.Assert(err, check.IsNil)
_, err = d.Cmd("run", "-d", "-p", "8000:8000", "busybox", "top")
c.Assert(err, check.IsNil)
ipTablesCmd := exec.Command("iptables", "-t", "nat", "-nvL")
out, _, err = runCommandWithOutput(ipTablesCmd)
c.Assert(err, check.IsNil)
regex := fmt.Sprintf("DNAT.*%s.*dpt:8000", ip.String())
matched, _ := regexp.MatchString(regex, out)
c.Assert(matched, check.Equals, true,
check.Commentf("iptables output should have contained %q, but was %q", regex, out))
// Reset to Defaults
deleteInterface(c, ifName)
d.Restart() d.Restart()
} }