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7813dfe9d7
goimports -w \ -- "./pkg/discovery/file" "./pkg/discovery/kv" "./pkg/discovery/memory" "./pkg/discovery/nodes" "./integration-cli" "./integration-cli/daemon" "./pkg/discovery" \ && \ gofmt -w -s \ -- "./pkg/discovery/file" "./pkg/discovery/kv" "./pkg/discovery/memory" "./pkg/discovery/nodes" "./integration-cli" "./integration-cli/daemon" "./pkg/discovery" Signed-off-by: Tibor Vass <tibor@docker.com>
345 lines
11 KiB
Go
345 lines
11 KiB
Go
package main
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import (
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"fmt"
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"net"
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"regexp"
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"sort"
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"strconv"
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"strings"
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"testing"
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"gotest.tools/assert"
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)
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func (s *DockerSuite) TestPortList(c *testing.T) {
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testRequires(c, DaemonIsLinux)
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// one port
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out, _ := dockerCmd(c, "run", "-d", "-p", "9876:80", "busybox", "top")
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firstID := strings.TrimSpace(out)
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out, _ = dockerCmd(c, "port", firstID, "80")
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err := assertPortList(c, out, []string{"0.0.0.0:9876"})
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// Port list is not correct
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assert.NilError(c, err)
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out, _ = dockerCmd(c, "port", firstID)
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err = assertPortList(c, out, []string{"80/tcp -> 0.0.0.0:9876"})
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// Port list is not correct
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assert.NilError(c, err)
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dockerCmd(c, "rm", "-f", firstID)
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// three port
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out, _ = dockerCmd(c, "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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ID := strings.TrimSpace(out)
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out, _ = dockerCmd(c, "port", ID, "80")
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err = assertPortList(c, out, []string{"0.0.0.0:9876"})
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// Port list is not correct
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assert.NilError(c, err)
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out, _ = dockerCmd(c, "port", ID)
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err = 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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// Port list is not correct
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assert.NilError(c, err)
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dockerCmd(c, "rm", "-f", ID)
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// more and one port mapped to the same container port
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out, _ = dockerCmd(c, "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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ID = strings.TrimSpace(out)
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out, _ = dockerCmd(c, "port", ID, "80")
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err = assertPortList(c, out, []string{"0.0.0.0:9876", "0.0.0.0:9999"})
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// Port list is not correct
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assert.NilError(c, err)
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out, _ = dockerCmd(c, "port", ID)
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err = 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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// Port list is not correct
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assert.NilError(c, err)
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dockerCmd(c, "rm", "-f", ID)
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testRange := func() {
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// host port ranges used
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IDs := make([]string, 3)
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for i := 0; i < 3; i++ {
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out, _ = dockerCmd(c, "run", "-d",
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"-p", "9090-9092:80",
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"busybox", "top")
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IDs[i] = strings.TrimSpace(out)
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out, _ = dockerCmd(c, "port", IDs[i])
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err = assertPortList(c, out, []string{fmt.Sprintf("80/tcp -> 0.0.0.0:%d", 9090+i)})
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// Port list is not correct
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assert.NilError(c, err)
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}
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// test port range exhaustion
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out, _, err = dockerCmdWithError("run", "-d",
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"-p", "9090-9092:80",
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"busybox", "top")
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// Exhausted port range did not return an error
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assert.Assert(c, err != nil, fmt.Sprintf("out: %s", out))
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for i := 0; i < 3; i++ {
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dockerCmd(c, "rm", "-f", IDs[i])
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}
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}
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testRange()
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// Verify we ran re-use port ranges after they are no longer in use.
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testRange()
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// test invalid port ranges
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for _, invalidRange := range []string{"9090-9089:80", "9090-:80", "-9090:80"} {
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out, _, err = dockerCmdWithError("run", "-d",
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"-p", invalidRange,
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"busybox", "top")
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// Port range should have returned an error
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assert.Assert(c, err != nil, fmt.Sprintf("out: %s", out))
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}
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// test host range:container range spec.
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out, _ = dockerCmd(c, "run", "-d",
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"-p", "9800-9803:80-83",
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"busybox", "top")
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ID = strings.TrimSpace(out)
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out, _ = dockerCmd(c, "port", ID)
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err = assertPortList(c, out, []string{
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"80/tcp -> 0.0.0.0:9800",
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"81/tcp -> 0.0.0.0:9801",
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"82/tcp -> 0.0.0.0:9802",
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"83/tcp -> 0.0.0.0:9803"})
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// Port list is not correct
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assert.NilError(c, err)
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dockerCmd(c, "rm", "-f", ID)
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// test mixing protocols in same port range
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out, _ = dockerCmd(c, "run", "-d",
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"-p", "8000-8080:80",
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"-p", "8000-8080:80/udp",
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"busybox", "top")
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ID = strings.TrimSpace(out)
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out, _ = dockerCmd(c, "port", ID)
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// Running this test multiple times causes the TCP port to increment.
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err = assertPortRange(c, out, []int{8000, 8080}, []int{8000, 8080})
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// Port list is not correct
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assert.NilError(c, err)
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dockerCmd(c, "rm", "-f", ID)
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}
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func assertPortList(c *testing.T, out string, expected []string) error {
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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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return fmt.Errorf("different size lists %s, %d, %d", out, len(lines), len(expected))
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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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return fmt.Errorf("|" + lines[i] + "!=" + expected[i] + "|")
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}
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}
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return nil
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}
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func assertPortRange(c *testing.T, out string, expectedTcp, expectedUdp []int) error {
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lines := strings.Split(strings.Trim(out, "\n "), "\n")
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var validTcp, validUdp bool
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for _, l := range lines {
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// 80/tcp -> 0.0.0.0:8015
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port, err := strconv.Atoi(strings.Split(l, ":")[1])
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if err != nil {
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return err
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}
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if strings.Contains(l, "tcp") && expectedTcp != nil {
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if port < expectedTcp[0] || port > expectedTcp[1] {
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return fmt.Errorf("tcp port (%d) not in range expected range %d-%d", port, expectedTcp[0], expectedTcp[1])
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}
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validTcp = true
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}
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if strings.Contains(l, "udp") && expectedUdp != nil {
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if port < expectedUdp[0] || port > expectedUdp[1] {
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return fmt.Errorf("udp port (%d) not in range expected range %d-%d", port, expectedUdp[0], expectedUdp[1])
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}
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validUdp = true
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}
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}
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if !validTcp {
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return fmt.Errorf("tcp port not found")
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}
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if !validUdp {
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return fmt.Errorf("udp port not found")
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}
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return nil
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}
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func stopRemoveContainer(id string, c *testing.T) {
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dockerCmd(c, "rm", "-f", id)
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}
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func (s *DockerSuite) TestUnpublishedPortsInPsOutput(c *testing.T) {
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testRequires(c, DaemonIsLinux)
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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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dockerCmd(c, "run", "-d", expose1, expose2, "busybox", "sleep", "5")
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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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out, _ := dockerCmd(c, "ps", "-n=1")
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// Missing unpublished ports in docker ps output
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assert.Assert(c, strings.Contains(out, unpPort1))
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// Missing unpublished ports in docker ps output
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assert.Assert(c, strings.Contains(out, unpPort2))
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// Run the container forcing to publish the exposed ports
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dockerCmd(c, "run", "-d", "-P", expose1, expose2, "busybox", "sleep", "5")
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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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out, _ = dockerCmd(c, "ps", "-n=1")
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// Cannot find expected port binding port (0.0.0.0:xxxxx->unpPort1) in docker ps output
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assert.Equal(c, expBndRegx1.MatchString(out), true, fmt.Sprintf("out: %s; unpPort1: %s", out, unpPort1))
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// Cannot find expected port binding port (0.0.0.0:xxxxx->unpPort2) in docker ps output
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assert.Equal(c, expBndRegx2.MatchString(out), true, fmt.Sprintf("out: %s; unpPort2: %s", out, unpPort2))
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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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out, _ = dockerCmd(c, "run", "-d", "-p", pFlag1, "-p", pFlag2, expose1, expose2, "busybox", "sleep", "5")
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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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out, _ = dockerCmd(c, "ps", "-n=1")
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// Cannot find expected port binding (expBnd1) in docker ps output
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assert.Assert(c, strings.Contains(out, expBnd1))
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// Cannot find expected port binding (expBnd2) in docker ps output
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assert.Assert(c, strings.Contains(out, expBnd2))
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// Remove container now otherwise it will interfere 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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out, _ = dockerCmd(c, "run", "-d", "-p", pFlag1, "-p", pFlag2, "busybox", "sleep", "5")
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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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out, _ = dockerCmd(c, "ps", "-n=1")
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// Cannot find expected port binding (expBnd1) in docker ps output
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assert.Assert(c, strings.Contains(out, expBnd1))
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// Cannot find expected port binding (expBnd2) in docker ps output
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assert.Assert(c, strings.Contains(out, expBnd2))
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// Remove container now otherwise it will interfere 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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dockerCmd(c, "run", "-d", expose1, "-p", pFlag2, "busybox", "sleep", "5")
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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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out, _ = dockerCmd(c, "ps", "-n=1")
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// Missing unpublished exposed ports (unpPort1) in docker ps output
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assert.Assert(c, strings.Contains(out, unpPort1))
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// Missing port binding (expBnd2) in docker ps output
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assert.Assert(c, strings.Contains(out, expBnd2))
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}
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func (s *DockerSuite) TestPortHostBinding(c *testing.T) {
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testRequires(c, DaemonIsLinux, NotUserNamespace)
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out, _ := dockerCmd(c, "run", "-d", "-p", "9876:80", "busybox",
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"nc", "-l", "-p", "80")
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firstID := strings.TrimSpace(out)
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out, _ = dockerCmd(c, "port", firstID, "80")
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err := assertPortList(c, out, []string{"0.0.0.0:9876"})
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// Port list is not correct
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assert.NilError(c, err)
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dockerCmd(c, "run", "--net=host", "busybox",
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"nc", "localhost", "9876")
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dockerCmd(c, "rm", "-f", firstID)
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out, _, err = dockerCmdWithError("run", "--net=host", "busybox", "nc", "localhost", "9876")
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// Port is still bound after the Container is removed
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assert.Assert(c, err != nil, fmt.Sprintf("out: %s", out))
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}
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func (s *DockerSuite) TestPortExposeHostBinding(c *testing.T) {
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testRequires(c, DaemonIsLinux, NotUserNamespace)
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out, _ := dockerCmd(c, "run", "-d", "-P", "--expose", "80", "busybox",
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"nc", "-l", "-p", "80")
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firstID := strings.TrimSpace(out)
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out, _ = dockerCmd(c, "port", firstID, "80")
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_, exposedPort, err := net.SplitHostPort(out)
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assert.Assert(c, err == nil, fmt.Sprintf("out: %s", out))
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dockerCmd(c, "run", "--net=host", "busybox",
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"nc", "localhost", strings.TrimSpace(exposedPort))
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dockerCmd(c, "rm", "-f", firstID)
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out, _, err = dockerCmdWithError("run", "--net=host", "busybox",
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"nc", "localhost", strings.TrimSpace(exposedPort))
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// Port is still bound after the Container is removed
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assert.Assert(c, err != nil, fmt.Sprintf("out: %s", out))
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}
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func (s *DockerSuite) TestPortBindingOnSandbox(c *testing.T) {
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testRequires(c, DaemonIsLinux, NotUserNamespace)
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dockerCmd(c, "network", "create", "--internal", "-d", "bridge", "internal-net")
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nr := getNetworkResource(c, "internal-net")
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assert.Equal(c, nr.Internal, true)
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dockerCmd(c, "run", "--net", "internal-net", "-d", "--name", "c1",
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"-p", "8080:8080", "busybox", "nc", "-l", "-p", "8080")
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assert.Assert(c, waitRun("c1") == nil)
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_, _, err := dockerCmdWithError("run", "--net=host", "busybox", "nc", "localhost", "8080")
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assert.Assert(c, err != nil, "Port mapping on internal network is expected to fail")
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// Connect container to another normal bridge network
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dockerCmd(c, "network", "create", "-d", "bridge", "foo-net")
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dockerCmd(c, "network", "connect", "foo-net", "c1")
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_, _, err = dockerCmdWithError("run", "--net=host", "busybox", "nc", "localhost", "8080")
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assert.Assert(c, err == nil, "Port mapping on the new network is expected to succeed")
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}
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