242 lines
7.7 KiB
Go
242 lines
7.7 KiB
Go
package main
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import (
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"fmt"
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"os/exec"
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"regexp"
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"sort"
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"strings"
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"github.com/go-check/check"
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)
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func (s *DockerSuite) TestPortList(c *check.C) {
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// one port
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runCmd := exec.Command(dockerBinary, "run", "-d", "-p", "9876:80", "busybox", "top")
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out, _, err := runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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firstID := strings.TrimSpace(out)
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runCmd = exec.Command(dockerBinary, "port", firstID, "80")
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out, _, err = runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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if !assertPortList(c, out, []string{"0.0.0.0:9876"}) {
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c.Error("Port list is not correct")
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}
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runCmd = exec.Command(dockerBinary, "port", firstID)
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out, _, err = runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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if !assertPortList(c, out, []string{"80/tcp -> 0.0.0.0:9876"}) {
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c.Error("Port list is not correct")
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}
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runCmd = exec.Command(dockerBinary, "rm", "-f", firstID)
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if out, _, err = runCommandWithOutput(runCmd); err != nil {
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c.Fatal(out, err)
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}
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// three port
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runCmd = exec.Command(dockerBinary, "run", "-d",
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"-p", "9876:80",
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"-p", "9877:81",
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"-p", "9878:82",
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"busybox", "top")
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out, _, err = runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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ID := strings.TrimSpace(out)
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runCmd = exec.Command(dockerBinary, "port", ID, "80")
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out, _, err = runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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if !assertPortList(c, out, []string{"0.0.0.0:9876"}) {
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c.Error("Port list is not correct")
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}
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runCmd = exec.Command(dockerBinary, "port", ID)
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out, _, err = runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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if !assertPortList(c, out, []string{
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"80/tcp -> 0.0.0.0:9876",
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"81/tcp -> 0.0.0.0:9877",
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"82/tcp -> 0.0.0.0:9878"}) {
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c.Error("Port list is not correct")
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}
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runCmd = exec.Command(dockerBinary, "rm", "-f", ID)
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out, _, err = runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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// more and one port mapped to the same container port
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runCmd = exec.Command(dockerBinary, "run", "-d",
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"-p", "9876:80",
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"-p", "9999:80",
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"-p", "9877:81",
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"-p", "9878:82",
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"busybox", "top")
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out, _, err = runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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ID = strings.TrimSpace(out)
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runCmd = exec.Command(dockerBinary, "port", ID, "80")
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out, _, err = runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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if !assertPortList(c, out, []string{"0.0.0.0:9876", "0.0.0.0:9999"}) {
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c.Error("Port list is not correct")
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}
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runCmd = exec.Command(dockerBinary, "port", ID)
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out, _, err = runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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if !assertPortList(c, out, []string{
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"80/tcp -> 0.0.0.0:9876",
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"80/tcp -> 0.0.0.0:9999",
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"81/tcp -> 0.0.0.0:9877",
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"82/tcp -> 0.0.0.0:9878"}) {
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c.Error("Port list is not correct\n", out)
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}
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runCmd = exec.Command(dockerBinary, "rm", "-f", ID)
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if out, _, err = runCommandWithOutput(runCmd); err != nil {
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c.Fatal(out, err)
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}
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}
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func assertPortList(c *check.C, out string, expected []string) bool {
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//lines := strings.Split(out, "\n")
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lines := strings.Split(strings.Trim(out, "\n "), "\n")
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if len(lines) != len(expected) {
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c.Errorf("different size lists %s, %d, %d", out, len(lines), len(expected))
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return false
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}
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sort.Strings(lines)
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sort.Strings(expected)
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for i := 0; i < len(expected); i++ {
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if lines[i] != expected[i] {
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c.Error("|" + lines[i] + "!=" + expected[i] + "|")
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return false
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}
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}
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return true
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}
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func stopRemoveContainer(id string, c *check.C) {
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runCmd := exec.Command(dockerBinary, "rm", "-f", id)
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_, _, err := runCommandWithOutput(runCmd)
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c.Assert(err, check.IsNil)
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}
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func (s *DockerSuite) TestUnpublishedPortsInPsOutput(c *check.C) {
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// Run busybox with command line expose (equivalent to EXPOSE in image's Dockerfile) for the following ports
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port1 := 80
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port2 := 443
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expose1 := fmt.Sprintf("--expose=%d", port1)
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expose2 := fmt.Sprintf("--expose=%d", port2)
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runCmd := exec.Command(dockerBinary, "run", "-d", expose1, expose2, "busybox", "sleep", "5")
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out, _, err := runCommandWithOutput(runCmd)
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c.Assert(err, check.IsNil)
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// Check docker ps o/p for last created container reports the unpublished ports
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unpPort1 := fmt.Sprintf("%d/tcp", port1)
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unpPort2 := fmt.Sprintf("%d/tcp", port2)
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runCmd = exec.Command(dockerBinary, "ps", "-n=1")
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out, _, err = runCommandWithOutput(runCmd)
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c.Assert(err, check.IsNil)
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if !strings.Contains(out, unpPort1) || !strings.Contains(out, unpPort2) {
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c.Errorf("Missing unpublished ports(s) (%s, %s) in docker ps output: %s", unpPort1, unpPort2, out)
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}
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// Run the container forcing to publish the exposed ports
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runCmd = exec.Command(dockerBinary, "run", "-d", "-P", expose1, expose2, "busybox", "sleep", "5")
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out, _, err = runCommandWithOutput(runCmd)
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c.Assert(err, check.IsNil)
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// Check docker ps o/p for last created container reports the exposed ports in the port bindings
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expBndRegx1 := regexp.MustCompile(`0.0.0.0:\d\d\d\d\d->` + unpPort1)
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expBndRegx2 := regexp.MustCompile(`0.0.0.0:\d\d\d\d\d->` + unpPort2)
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runCmd = exec.Command(dockerBinary, "ps", "-n=1")
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out, _, err = runCommandWithOutput(runCmd)
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c.Assert(err, check.IsNil)
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if !expBndRegx1.MatchString(out) || !expBndRegx2.MatchString(out) {
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c.Errorf("Cannot find expected port binding ports(s) (0.0.0.0:xxxxx->%s, 0.0.0.0:xxxxx->%s) in docker ps output:\n%s",
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unpPort1, unpPort2, out)
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}
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// Run the container specifying explicit port bindings for the exposed ports
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offset := 10000
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pFlag1 := fmt.Sprintf("%d:%d", offset+port1, port1)
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pFlag2 := fmt.Sprintf("%d:%d", offset+port2, port2)
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runCmd = exec.Command(dockerBinary, "run", "-d", "-p", pFlag1, "-p", pFlag2, expose1, expose2, "busybox", "sleep", "5")
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out, _, err = runCommandWithOutput(runCmd)
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c.Assert(err, check.IsNil)
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id := strings.TrimSpace(out)
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// Check docker ps o/p for last created container reports the specified port mappings
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expBnd1 := fmt.Sprintf("0.0.0.0:%d->%s", offset+port1, unpPort1)
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expBnd2 := fmt.Sprintf("0.0.0.0:%d->%s", offset+port2, unpPort2)
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runCmd = exec.Command(dockerBinary, "ps", "-n=1")
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out, _, err = runCommandWithOutput(runCmd)
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c.Assert(err, check.IsNil)
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if !strings.Contains(out, expBnd1) || !strings.Contains(out, expBnd2) {
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c.Errorf("Cannot find expected port binding(s) (%s, %s) in docker ps output: %s", expBnd1, expBnd2, out)
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}
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// Remove container now otherwise it will interfeer with next test
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stopRemoveContainer(id, c)
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// Run the container with explicit port bindings and no exposed ports
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runCmd = exec.Command(dockerBinary, "run", "-d", "-p", pFlag1, "-p", pFlag2, "busybox", "sleep", "5")
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out, _, err = runCommandWithOutput(runCmd)
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c.Assert(err, check.IsNil)
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id = strings.TrimSpace(out)
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// Check docker ps o/p for last created container reports the specified port mappings
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runCmd = exec.Command(dockerBinary, "ps", "-n=1")
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out, _, err = runCommandWithOutput(runCmd)
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c.Assert(err, check.IsNil)
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if !strings.Contains(out, expBnd1) || !strings.Contains(out, expBnd2) {
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c.Errorf("Cannot find expected port binding(s) (%s, %s) in docker ps output: %s", expBnd1, expBnd2, out)
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}
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// Remove container now otherwise it will interfeer with next test
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stopRemoveContainer(id, c)
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// Run the container with one unpublished exposed port and one explicit port binding
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runCmd = exec.Command(dockerBinary, "run", "-d", expose1, "-p", pFlag2, "busybox", "sleep", "5")
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out, _, err = runCommandWithOutput(runCmd)
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c.Assert(err, check.IsNil)
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// Check docker ps o/p for last created container reports the specified unpublished port and port mapping
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runCmd = exec.Command(dockerBinary, "ps", "-n=1")
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out, _, err = runCommandWithOutput(runCmd)
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c.Assert(err, check.IsNil)
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if !strings.Contains(out, unpPort1) || !strings.Contains(out, expBnd2) {
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c.Errorf("Missing unpublished ports or port binding (%s, %s) in docker ps output: %s", unpPort1, expBnd2, out)
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}
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}
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