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Copy pathdocker_cli_daemon_test.go
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docker_cli_daemon_test.go
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// +build daemon
package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"net"
"os"
"os/exec"
"path/filepath"
"regexp"
"strconv"
"strings"
"time"
"github.com/docker/libnetwork/iptables"
"github.com/docker/libtrust"
"github.com/go-check/check"
)
func (s *DockerDaemonSuite) TestDaemonRestartWithRunningContainersPorts(c *check.C) {
if err := s.d.StartWithBusybox(); err != nil {
c.Fatalf("Could not start daemon with busybox: %v", err)
}
if out, err := s.d.Cmd("run", "-d", "--name", "top1", "-p", "1234:80", "--restart", "always", "busybox:latest", "top"); err != nil {
c.Fatalf("Could not run top1: err=%v\n%s", err, out)
}
// --restart=no by default
if out, err := s.d.Cmd("run", "-d", "--name", "top2", "-p", "80", "busybox:latest", "top"); err != nil {
c.Fatalf("Could not run top2: err=%v\n%s", err, out)
}
testRun := func(m map[string]bool, prefix string) {
var format string
for cont, shouldRun := range m {
out, err := s.d.Cmd("ps")
if err != nil {
c.Fatalf("Could not run ps: err=%v\n%q", err, out)
}
if shouldRun {
format = "%scontainer %q is not running"
} else {
format = "%scontainer %q is running"
}
if shouldRun != strings.Contains(out, cont) {
c.Fatalf(format, prefix, cont)
}
}
}
testRun(map[string]bool{"top1": true, "top2": true}, "")
if err := s.d.Restart(); err != nil {
c.Fatalf("Could not restart daemon: %v", err)
}
testRun(map[string]bool{"top1": true, "top2": false}, "After daemon restart: ")
}
func (s *DockerDaemonSuite) TestDaemonRestartWithVolumesRefs(c *check.C) {
if err := s.d.StartWithBusybox(); err != nil {
c.Fatal(err)
}
if out, err := s.d.Cmd("run", "-d", "--name", "volrestarttest1", "-v", "/foo", "busybox"); err != nil {
c.Fatal(err, out)
}
if err := s.d.Restart(); err != nil {
c.Fatal(err)
}
if _, err := s.d.Cmd("run", "-d", "--volumes-from", "volrestarttest1", "--name", "volrestarttest2", "busybox", "top"); err != nil {
c.Fatal(err)
}
if out, err := s.d.Cmd("rm", "-fv", "volrestarttest2"); err != nil {
c.Fatal(err, out)
}
v, err := s.d.Cmd("inspect", "--format", "{{ json .Volumes }}", "volrestarttest1")
if err != nil {
c.Fatal(err)
}
volumes := make(map[string]string)
json.Unmarshal([]byte(v), &volumes)
if _, err := os.Stat(volumes["/foo"]); err != nil {
c.Fatalf("Expected volume to exist: %s - %s", volumes["/foo"], err)
}
}
func (s *DockerDaemonSuite) TestDaemonStartIptablesFalse(c *check.C) {
if err := s.d.Start("--iptables=false"); err != nil {
c.Fatalf("we should have been able to start the daemon with passing iptables=false: %v", err)
}
}
// Issue #8444: If docker0 bridge is modified (intentionally or unintentionally) and
// no longer has an IP associated, we should gracefully handle that case and associate
// an IP with it rather than fail daemon start
func (s *DockerDaemonSuite) TestDaemonStartBridgeWithoutIPAssociation(c *check.C) {
// rather than depending on brctl commands to verify docker0 is created and up
// let's start the daemon and stop it, and then make a modification to run the
// actual test
if err := s.d.Start(); err != nil {
c.Fatalf("Could not start daemon: %v", err)
}
if err := s.d.Stop(); err != nil {
c.Fatalf("Could not stop daemon: %v", err)
}
// now we will remove the ip from docker0 and then try starting the daemon
ipCmd := exec.Command("ip", "addr", "flush", "dev", "docker0")
stdout, stderr, _, err := runCommandWithStdoutStderr(ipCmd)
if err != nil {
c.Fatalf("failed to remove docker0 IP association: %v, stdout: %q, stderr: %q", err, stdout, stderr)
}
if err := s.d.Start(); err != nil {
warning := "**WARNING: Docker bridge network in bad state--delete docker0 bridge interface to fix"
c.Fatalf("Could not start daemon when docker0 has no IP address: %v\n%s", err, warning)
}
}
func (s *DockerDaemonSuite) TestDaemonIptablesClean(c *check.C) {
if err := s.d.StartWithBusybox(); err != nil {
c.Fatalf("Could not start daemon with busybox: %v", err)
}
if out, err := s.d.Cmd("run", "-d", "--name", "top", "-p", "80", "busybox:latest", "top"); err != nil {
c.Fatalf("Could not run top: %s, %v", out, err)
}
// get output from iptables with container running
ipTablesSearchString := "tcp dpt:80"
ipTablesCmd := exec.Command("iptables", "-nvL")
out, _, err := runCommandWithOutput(ipTablesCmd)
if err != nil {
c.Fatalf("Could not run iptables -nvL: %s, %v", out, err)
}
if !strings.Contains(out, ipTablesSearchString) {
c.Fatalf("iptables output should have contained %q, but was %q", ipTablesSearchString, out)
}
if err := s.d.Stop(); err != nil {
c.Fatalf("Could not stop daemon: %v", err)
}
// get output from iptables after restart
ipTablesCmd = exec.Command("iptables", "-nvL")
out, _, err = runCommandWithOutput(ipTablesCmd)
if err != nil {
c.Fatalf("Could not run iptables -nvL: %s, %v", out, err)
}
if strings.Contains(out, ipTablesSearchString) {
c.Fatalf("iptables output should not have contained %q, but was %q", ipTablesSearchString, out)
}
}
func (s *DockerDaemonSuite) TestDaemonIptablesCreate(c *check.C) {
if err := s.d.StartWithBusybox(); err != nil {
c.Fatalf("Could not start daemon with busybox: %v", err)
}
if out, err := s.d.Cmd("run", "-d", "--name", "top", "--restart=always", "-p", "80", "busybox:latest", "top"); err != nil {
c.Fatalf("Could not run top: %s, %v", out, err)
}
// get output from iptables with container running
ipTablesSearchString := "tcp dpt:80"
ipTablesCmd := exec.Command("iptables", "-nvL")
out, _, err := runCommandWithOutput(ipTablesCmd)
if err != nil {
c.Fatalf("Could not run iptables -nvL: %s, %v", out, err)
}
if !strings.Contains(out, ipTablesSearchString) {
c.Fatalf("iptables output should have contained %q, but was %q", ipTablesSearchString, out)
}
if err := s.d.Restart(); err != nil {
c.Fatalf("Could not restart daemon: %v", err)
}
// make sure the container is not running
runningOut, err := s.d.Cmd("inspect", "--format='{{.State.Running}}'", "top")
if err != nil {
c.Fatalf("Could not inspect on container: %s, %v", out, err)
}
if strings.TrimSpace(runningOut) != "true" {
c.Fatalf("Container should have been restarted after daemon restart. Status running should have been true but was: %q", strings.TrimSpace(runningOut))
}
// get output from iptables after restart
ipTablesCmd = exec.Command("iptables", "-nvL")
out, _, err = runCommandWithOutput(ipTablesCmd)
if err != nil {
c.Fatalf("Could not run iptables -nvL: %s, %v", out, err)
}
if !strings.Contains(out, ipTablesSearchString) {
c.Fatalf("iptables output after restart should have contained %q, but was %q", ipTablesSearchString, out)
}
}
func (s *DockerDaemonSuite) TestDaemonLogLevelWrong(c *check.C) {
c.Assert(s.d.Start("--log-level=bogus"), check.NotNil, check.Commentf("Daemon shouldn't start with wrong log level"))
}
func (s *DockerDaemonSuite) TestDaemonLogLevelDebug(c *check.C) {
if err := s.d.Start("--log-level=debug"); err != nil {
c.Fatal(err)
}
content, _ := ioutil.ReadFile(s.d.logFile.Name())
if !strings.Contains(string(content), `level=debug`) {
c.Fatalf(`Missing level="debug" in log file:\n%s`, string(content))
}
}
func (s *DockerDaemonSuite) TestDaemonLogLevelFatal(c *check.C) {
// we creating new daemons to create new logFile
if err := s.d.Start("--log-level=fatal"); err != nil {
c.Fatal(err)
}
content, _ := ioutil.ReadFile(s.d.logFile.Name())
if strings.Contains(string(content), `level=debug`) {
c.Fatalf(`Should not have level="debug" in log file:\n%s`, string(content))
}
}
func (s *DockerDaemonSuite) TestDaemonFlagD(c *check.C) {
if err := s.d.Start("-D"); err != nil {
c.Fatal(err)
}
content, _ := ioutil.ReadFile(s.d.logFile.Name())
if !strings.Contains(string(content), `level=debug`) {
c.Fatalf(`Should have level="debug" in log file using -D:\n%s`, string(content))
}
}
func (s *DockerDaemonSuite) TestDaemonFlagDebug(c *check.C) {
if err := s.d.Start("--debug"); err != nil {
c.Fatal(err)
}
content, _ := ioutil.ReadFile(s.d.logFile.Name())
if !strings.Contains(string(content), `level=debug`) {
c.Fatalf(`Should have level="debug" in log file using --debug:\n%s`, string(content))
}
}
func (s *DockerDaemonSuite) TestDaemonFlagDebugLogLevelFatal(c *check.C) {
if err := s.d.Start("--debug", "--log-level=fatal"); err != nil {
c.Fatal(err)
}
content, _ := ioutil.ReadFile(s.d.logFile.Name())
if !strings.Contains(string(content), `level=debug`) {
c.Fatalf(`Should have level="debug" in log file when using both --debug and --log-level=fatal:\n%s`, string(content))
}
}
func (s *DockerDaemonSuite) TestDaemonAllocatesListeningPort(c *check.C) {
listeningPorts := [][]string{
{"0.0.0.0", "0.0.0.0", "5678"},
{"127.0.0.1", "127.0.0.1", "1234"},
{"localhost", "127.0.0.1", "1235"},
}
cmdArgs := []string{}
for _, hostDirective := range listeningPorts {
cmdArgs = append(cmdArgs, "--host", fmt.Sprintf("tcp://%s:%s", hostDirective[0], hostDirective[2]))
}
if err := s.d.StartWithBusybox(cmdArgs...); err != nil {
c.Fatalf("Could not start daemon with busybox: %v", err)
}
for _, hostDirective := range listeningPorts {
output, err := s.d.Cmd("run", "-p", fmt.Sprintf("%s:%s:80", hostDirective[1], hostDirective[2]), "busybox", "true")
if err == nil {
c.Fatalf("Container should not start, expected port already allocated error: %q", output)
} else if !strings.Contains(output, "port is already allocated") {
c.Fatalf("Expected port is already allocated error: %q", output)
}
}
}
func (s *DockerDaemonSuite) TestDaemonKeyGeneration(c *check.C) {
// TODO: skip or update for Windows daemon
os.Remove("/etc/docker/key.json")
if err := s.d.Start(); err != nil {
c.Fatalf("Could not start daemon: %v", err)
}
s.d.Stop()
k, err := libtrust.LoadKeyFile("/etc/docker/key.json")
if err != nil {
c.Fatalf("Error opening key file")
}
kid := k.KeyID()
// Test Key ID is a valid fingerprint (e.g. QQXN:JY5W:TBXI:MK3X:GX6P:PD5D:F56N:NHCS:LVRZ:JA46:R24J:XEFF)
if len(kid) != 59 {
c.Fatalf("Bad key ID: %s", kid)
}
}
func (s *DockerDaemonSuite) TestDaemonKeyMigration(c *check.C) {
// TODO: skip or update for Windows daemon
os.Remove("/etc/docker/key.json")
k1, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
c.Fatalf("Error generating private key: %s", err)
}
if err := os.MkdirAll(filepath.Join(os.Getenv("HOME"), ".docker"), 0755); err != nil {
c.Fatalf("Error creating .docker directory: %s", err)
}
if err := libtrust.SaveKey(filepath.Join(os.Getenv("HOME"), ".docker", "key.json"), k1); err != nil {
c.Fatalf("Error saving private key: %s", err)
}
if err := s.d.Start(); err != nil {
c.Fatalf("Could not start daemon: %v", err)
}
s.d.Stop()
k2, err := libtrust.LoadKeyFile("/etc/docker/key.json")
if err != nil {
c.Fatalf("Error opening key file")
}
if k1.KeyID() != k2.KeyID() {
c.Fatalf("Key not migrated")
}
}
// GH#11320 - verify that the daemon exits on failure properly
// Note that this explicitly tests the conflict of {-b,--bridge} and {--bip} options as the means
// to get a daemon init failure; no other tests for -b/--bip conflict are therefore required
func (s *DockerDaemonSuite) TestDaemonExitOnFailure(c *check.C) {
//attempt to start daemon with incorrect flags (we know -b and --bip conflict)
if err := s.d.Start("--bridge", "nosuchbridge", "--bip", "1.1.1.1"); err != nil {
//verify we got the right error
if !strings.Contains(err.Error(), "Daemon exited and never started") {
c.Fatalf("Expected daemon not to start, got %v", err)
}
// look in the log and make sure we got the message that daemon is shutting down
runCmd := exec.Command("grep", "Error starting daemon", s.d.LogfileName())
if out, _, err := runCommandWithOutput(runCmd); err != nil {
c.Fatalf("Expected 'Error starting daemon' message; but doesn't exist in log: %q, err: %v", out, err)
}
} else {
//if we didn't get an error and the daemon is running, this is a failure
c.Fatal("Conflicting options should cause the daemon to error out with a failure")
}
}
func (s *DockerDaemonSuite) TestDaemonBridgeExternal(c *check.C) {
d := s.d
err := d.Start("--bridge", "nosuchbridge")
c.Assert(err, check.NotNil, check.Commentf("--bridge option with an invalid bridge should cause the daemon to fail"))
defer d.Restart()
bridgeName := "external-bridge"
bridgeIp := "192.169.1.1/24"
_, bridgeIPNet, _ := net.ParseCIDR(bridgeIp)
out, err := createInterface(c, "bridge", bridgeName, bridgeIp)
c.Assert(err, check.IsNil, check.Commentf(out))
defer deleteInterface(c, bridgeName)
err = d.StartWithBusybox("--bridge", bridgeName)
c.Assert(err, check.IsNil)
ipTablesSearchString := bridgeIPNet.String()
ipTablesCmd := exec.Command("iptables", "-t", "nat", "-nvL")
out, _, err = runCommandWithOutput(ipTablesCmd)
c.Assert(err, check.IsNil)
c.Assert(strings.Contains(out, ipTablesSearchString), check.Equals, true,
check.Commentf("iptables output should have contained %q, but was %q",
ipTablesSearchString, out))
_, err = d.Cmd("run", "-d", "--name", "ExtContainer", "busybox", "top")
c.Assert(err, check.IsNil)
containerIp := d.findContainerIP("ExtContainer")
ip := net.ParseIP(containerIp)
c.Assert(bridgeIPNet.Contains(ip), check.Equals, true,
check.Commentf("Container IP-Address must be in the same subnet range : %s",
containerIp))
}
func createInterface(c *check.C, ifType string, ifName string, ipNet string) (string, error) {
args := []string{"link", "add", "name", ifName, "type", ifType}
ipLinkCmd := exec.Command("ip", args...)
out, _, err := runCommandWithOutput(ipLinkCmd)
if err != nil {
return out, err
}
ifCfgCmd := exec.Command("ifconfig", ifName, ipNet, "up")
out, _, err = runCommandWithOutput(ifCfgCmd)
return out, err
}
func deleteInterface(c *check.C, ifName string) {
ifCmd := exec.Command("ip", "link", "delete", ifName)
out, _, err := runCommandWithOutput(ifCmd)
c.Assert(err, check.IsNil, check.Commentf(out))
flushCmd := exec.Command("iptables", "-t", "nat", "--flush")
out, _, err = runCommandWithOutput(flushCmd)
c.Assert(err, check.IsNil, check.Commentf(out))
flushCmd = exec.Command("iptables", "--flush")
out, _, err = runCommandWithOutput(flushCmd)
c.Assert(err, check.IsNil, check.Commentf(out))
}
func (s *DockerDaemonSuite) TestDaemonBridgeIP(c *check.C) {
// TestDaemonBridgeIP Steps
// 1. Delete the existing docker0 Bridge
// 2. Set --bip daemon configuration and start the new Docker Daemon
// 3. Check if the bip config has taken effect using ifconfig and iptables commands
// 4. Launch a Container and make sure the IP-Address is in the expected subnet
// 5. Delete the docker0 Bridge
// 6. Restart the Docker Daemon (via defered action)
// This Restart takes care of bringing docker0 interface back to auto-assigned IP
defaultNetworkBridge := "docker0"
deleteInterface(c, defaultNetworkBridge)
d := s.d
bridgeIp := "192.169.1.1/24"
ip, bridgeIPNet, _ := net.ParseCIDR(bridgeIp)
err := d.StartWithBusybox("--bip", bridgeIp)
c.Assert(err, check.IsNil)
defer d.Restart()
ifconfigSearchString := ip.String()
ifconfigCmd := exec.Command("ifconfig", defaultNetworkBridge)
out, _, _, err := runCommandWithStdoutStderr(ifconfigCmd)
c.Assert(err, check.IsNil)
c.Assert(strings.Contains(out, ifconfigSearchString), check.Equals, true,
check.Commentf("ifconfig output should have contained %q, but was %q",
ifconfigSearchString, out))
ipTablesSearchString := bridgeIPNet.String()
ipTablesCmd := exec.Command("iptables", "-t", "nat", "-nvL")
out, _, err = runCommandWithOutput(ipTablesCmd)
c.Assert(err, check.IsNil)
c.Assert(strings.Contains(out, ipTablesSearchString), check.Equals, true,
check.Commentf("iptables output should have contained %q, but was %q",
ipTablesSearchString, out))
out, err = d.Cmd("run", "-d", "--name", "test", "busybox", "top")
c.Assert(err, check.IsNil)
containerIp := d.findContainerIP("test")
ip = net.ParseIP(containerIp)
c.Assert(bridgeIPNet.Contains(ip), check.Equals, true,
check.Commentf("Container IP-Address must be in the same subnet range : %s",
containerIp))
deleteInterface(c, defaultNetworkBridge)
}
func (s *DockerDaemonSuite) TestDaemonRestartWithBridgeIPChange(c *check.C) {
if err := s.d.Start(); err != nil {
c.Fatalf("Could not start daemon: %v", err)
}
defer s.d.Restart()
if err := s.d.Stop(); err != nil {
c.Fatalf("Could not stop daemon: %v", err)
}
// now we will change the docker0's IP and then try starting the daemon
bridgeIP := "192.169.100.1/24"
_, bridgeIPNet, _ := net.ParseCIDR(bridgeIP)
ipCmd := exec.Command("ifconfig", "docker0", bridgeIP)
stdout, stderr, _, err := runCommandWithStdoutStderr(ipCmd)
if err != nil {
c.Fatalf("failed to change docker0's IP association: %v, stdout: %q, stderr: %q", err, stdout, stderr)
}
if err := s.d.Start("--bip", bridgeIP); err != nil {
c.Fatalf("Could not start daemon: %v", err)
}
//check if the iptables contains new bridgeIP MASQUERADE rule
ipTablesSearchString := bridgeIPNet.String()
ipTablesCmd := exec.Command("iptables", "-t", "nat", "-nvL")
out, _, err := runCommandWithOutput(ipTablesCmd)
if err != nil {
c.Fatalf("Could not run iptables -nvL: %s, %v", out, err)
}
if !strings.Contains(out, ipTablesSearchString) {
c.Fatalf("iptables output should have contained new MASQUERADE rule with IP %q, but was %q", ipTablesSearchString, out)
}
}
func (s *DockerDaemonSuite) TestDaemonBridgeFixedCidr(c *check.C) {
d := s.d
bridgeName := "external-bridge"
bridgeIp := "192.169.1.1/24"
out, err := createInterface(c, "bridge", bridgeName, bridgeIp)
c.Assert(err, check.IsNil, check.Commentf(out))
defer deleteInterface(c, bridgeName)
args := []string{"--bridge", bridgeName, "--fixed-cidr", "192.169.1.0/30"}
err = d.StartWithBusybox(args...)
c.Assert(err, check.IsNil)
defer d.Restart()
for i := 0; i < 4; i++ {
cName := "Container" + strconv.Itoa(i)
out, err := d.Cmd("run", "-d", "--name", cName, "busybox", "top")
if err != nil {
c.Assert(strings.Contains(out, "no available ip addresses"), check.Equals, true,
check.Commentf("Could not run a Container : %s %s", err.Error(), out))
}
}
}
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)
defer d.Restart()
out, err := d.Cmd("run", "-d", "-p", "8000:8000", "busybox", "top")
c.Assert(err, check.NotNil,
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"
out, err = createInterface(c, "dummy", ifName, ipStr)
c.Assert(err, check.IsNil, check.Commentf(out))
defer deleteInterface(c, ifName)
_, 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))
}
func (s *DockerDaemonSuite) TestDaemonICCPing(c *check.C) {
d := s.d
bridgeName := "external-bridge"
bridgeIp := "192.169.1.1/24"
out, err := createInterface(c, "bridge", bridgeName, bridgeIp)
c.Assert(err, check.IsNil, check.Commentf(out))
defer deleteInterface(c, bridgeName)
args := []string{"--bridge", bridgeName, "--icc=false"}
err = d.StartWithBusybox(args...)
c.Assert(err, check.IsNil)
defer d.Restart()
ipTablesCmd := exec.Command("iptables", "-nvL", "FORWARD")
out, _, err = runCommandWithOutput(ipTablesCmd)
c.Assert(err, check.IsNil)
regex := fmt.Sprintf("DROP.*all.*%s.*%s", bridgeName, bridgeName)
matched, _ := regexp.MatchString(regex, out)
c.Assert(matched, check.Equals, true,
check.Commentf("iptables output should have contained %q, but was %q", regex, out))
// Pinging another container must fail with --icc=false
pingContainers(c, d, true)
ipStr := "192.171.1.1/24"
ip, _, _ := net.ParseCIDR(ipStr)
ifName := "icc-dummy"
createInterface(c, "dummy", ifName, ipStr)
// But, Pinging external or a Host interface must succeed
pingCmd := fmt.Sprintf("ping -c 1 %s -W 1", ip.String())
runArgs := []string{"--rm", "busybox", "sh", "-c", pingCmd}
_, err = d.Cmd("run", runArgs...)
c.Assert(err, check.IsNil)
}
func (s *DockerDaemonSuite) TestDaemonICCLinkExpose(c *check.C) {
d := s.d
bridgeName := "external-bridge"
bridgeIp := "192.169.1.1/24"
out, err := createInterface(c, "bridge", bridgeName, bridgeIp)
c.Assert(err, check.IsNil, check.Commentf(out))
defer deleteInterface(c, bridgeName)
args := []string{"--bridge", bridgeName, "--icc=false"}
err = d.StartWithBusybox(args...)
c.Assert(err, check.IsNil)
defer d.Restart()
ipTablesCmd := exec.Command("iptables", "-nvL", "FORWARD")
out, _, err = runCommandWithOutput(ipTablesCmd)
c.Assert(err, check.IsNil)
regex := fmt.Sprintf("DROP.*all.*%s.*%s", bridgeName, bridgeName)
matched, _ := regexp.MatchString(regex, out)
c.Assert(matched, check.Equals, true,
check.Commentf("iptables output should have contained %q, but was %q", regex, out))
out, err = d.Cmd("run", "-d", "--expose", "4567", "--name", "icc1", "busybox", "nc", "-l", "-p", "4567")
c.Assert(err, check.IsNil, check.Commentf(out))
out, err = d.Cmd("run", "--link", "icc1:icc1", "busybox", "nc", "icc1", "4567")
c.Assert(err, check.IsNil, check.Commentf(out))
}
func (s *DockerDaemonSuite) TestDaemonLinksIpTablesRulesWhenLinkAndUnlink(c *check.C) {
bridgeName := "external-bridge"
bridgeIp := "192.169.1.1/24"
out, err := createInterface(c, "bridge", bridgeName, bridgeIp)
c.Assert(err, check.IsNil, check.Commentf(out))
defer deleteInterface(c, bridgeName)
args := []string{"--bridge", bridgeName, "--icc=false"}
err = s.d.StartWithBusybox(args...)
c.Assert(err, check.IsNil)
defer s.d.Restart()
_, err = s.d.Cmd("run", "-d", "--name", "child", "--publish", "8080:80", "busybox", "top")
c.Assert(err, check.IsNil)
_, err = s.d.Cmd("run", "-d", "--name", "parent", "--link", "child:http", "busybox", "top")
c.Assert(err, check.IsNil)
childIP := s.d.findContainerIP("child")
parentIP := s.d.findContainerIP("parent")
sourceRule := []string{"-i", bridgeName, "-o", bridgeName, "-p", "tcp", "-s", childIP, "--sport", "80", "-d", parentIP, "-j", "ACCEPT"}
destinationRule := []string{"-i", bridgeName, "-o", bridgeName, "-p", "tcp", "-s", parentIP, "--dport", "80", "-d", childIP, "-j", "ACCEPT"}
if !iptables.Exists("filter", "DOCKER", sourceRule...) || !iptables.Exists("filter", "DOCKER", destinationRule...) {
c.Fatal("Iptables rules not found")
}
s.d.Cmd("rm", "--link", "parent/http")
if iptables.Exists("filter", "DOCKER", sourceRule...) || iptables.Exists("filter", "DOCKER", destinationRule...) {
c.Fatal("Iptables rules should be removed when unlink")
}
s.d.Cmd("kill", "child")
s.d.Cmd("kill", "parent")
}
func (s *DockerDaemonSuite) TestDaemonUlimitDefaults(c *check.C) {
testRequires(c, NativeExecDriver)
if err := s.d.StartWithBusybox("--default-ulimit", "nofile=42:42", "--default-ulimit", "nproc=1024:1024"); err != nil {
c.Fatal(err)
}
out, err := s.d.Cmd("run", "--ulimit", "nproc=2048", "--name=test", "busybox", "/bin/sh", "-c", "echo $(ulimit -n); echo $(ulimit -p)")
if err != nil {
c.Fatal(out, err)
}
outArr := strings.Split(out, "\n")
if len(outArr) < 2 {
c.Fatalf("got unexpected output: %s", out)
}
nofile := strings.TrimSpace(outArr[0])
nproc := strings.TrimSpace(outArr[1])
if nofile != "42" {
c.Fatalf("expected `ulimit -n` to be `42`, got: %s", nofile)
}
if nproc != "2048" {
c.Fatalf("exepcted `ulimit -p` to be 2048, got: %s", nproc)
}
// Now restart daemon with a new default
if err := s.d.Restart("--default-ulimit", "nofile=43"); err != nil {
c.Fatal(err)
}
out, err = s.d.Cmd("start", "-a", "test")
if err != nil {
c.Fatal(err)
}
outArr = strings.Split(out, "\n")
if len(outArr) < 2 {
c.Fatalf("got unexpected output: %s", out)
}
nofile = strings.TrimSpace(outArr[0])
nproc = strings.TrimSpace(outArr[1])
if nofile != "43" {
c.Fatalf("expected `ulimit -n` to be `43`, got: %s", nofile)
}
if nproc != "2048" {
c.Fatalf("exepcted `ulimit -p` to be 2048, got: %s", nproc)
}
}
// #11315
func (s *DockerDaemonSuite) TestDaemonRestartRenameContainer(c *check.C) {
if err := s.d.StartWithBusybox(); err != nil {
c.Fatal(err)
}
if out, err := s.d.Cmd("run", "--name=test", "busybox"); err != nil {
c.Fatal(err, out)
}
if out, err := s.d.Cmd("rename", "test", "test2"); err != nil {
c.Fatal(err, out)
}
if err := s.d.Restart(); err != nil {
c.Fatal(err)
}
if out, err := s.d.Cmd("start", "test2"); err != nil {
c.Fatal(err, out)
}
}
func (s *DockerDaemonSuite) TestDaemonLoggingDriverDefault(c *check.C) {
if err := s.d.StartWithBusybox(); err != nil {
c.Fatal(err)
}
out, err := s.d.Cmd("run", "-d", "busybox", "echo", "testline")
if err != nil {
c.Fatal(out, err)
}
id := strings.TrimSpace(out)
if out, err := s.d.Cmd("wait", id); err != nil {
c.Fatal(out, err)
}
logPath := filepath.Join(s.d.folder, "graph", "containers", id, id+"-json.log")
if _, err := os.Stat(logPath); err != nil {
c.Fatal(err)
}
f, err := os.Open(logPath)
if err != nil {
c.Fatal(err)
}
var res struct {
Log string `json:"log"`
Stream string `json:"stream"`
Time time.Time `json:"time"`
}
if err := json.NewDecoder(f).Decode(&res); err != nil {
c.Fatal(err)
}
if res.Log != "testline\n" {
c.Fatalf("Unexpected log line: %q, expected: %q", res.Log, "testline\n")
}
if res.Stream != "stdout" {
c.Fatalf("Unexpected stream: %q, expected: %q", res.Stream, "stdout")
}
if !time.Now().After(res.Time) {
c.Fatalf("Log time %v in future", res.Time)
}
}
func (s *DockerDaemonSuite) TestDaemonLoggingDriverDefaultOverride(c *check.C) {
if err := s.d.StartWithBusybox(); err != nil {
c.Fatal(err)
}
out, err := s.d.Cmd("run", "-d", "--log-driver=none", "busybox", "echo", "testline")
if err != nil {
c.Fatal(out, err)
}
id := strings.TrimSpace(out)
if out, err := s.d.Cmd("wait", id); err != nil {
c.Fatal(out, err)
}
logPath := filepath.Join(s.d.folder, "graph", "containers", id, id+"-json.log")
if _, err := os.Stat(logPath); err == nil || !os.IsNotExist(err) {
c.Fatalf("%s shouldn't exits, error on Stat: %s", logPath, err)
}
}
func (s *DockerDaemonSuite) TestDaemonLoggingDriverNone(c *check.C) {
if err := s.d.StartWithBusybox("--log-driver=none"); err != nil {
c.Fatal(err)
}
out, err := s.d.Cmd("run", "-d", "busybox", "echo", "testline")
if err != nil {
c.Fatal(out, err)
}
id := strings.TrimSpace(out)
if out, err := s.d.Cmd("wait", id); err != nil {
c.Fatal(out, err)
}
logPath := filepath.Join(s.d.folder, "graph", "containers", id, id+"-json.log")
if _, err := os.Stat(logPath); err == nil || !os.IsNotExist(err) {
c.Fatalf("%s shouldn't exits, error on Stat: %s", logPath, err)
}
}
func (s *DockerDaemonSuite) TestDaemonLoggingDriverNoneOverride(c *check.C) {
if err := s.d.StartWithBusybox("--log-driver=none"); err != nil {
c.Fatal(err)
}
out, err := s.d.Cmd("run", "-d", "--log-driver=json-file", "busybox", "echo", "testline")
if err != nil {
c.Fatal(out, err)
}
id := strings.TrimSpace(out)
if out, err := s.d.Cmd("wait", id); err != nil {
c.Fatal(out, err)
}
logPath := filepath.Join(s.d.folder, "graph", "containers", id, id+"-json.log")
if _, err := os.Stat(logPath); err != nil {
c.Fatal(err)
}
f, err := os.Open(logPath)
if err != nil {
c.Fatal(err)
}
var res struct {
Log string `json:"log"`
Stream string `json:"stream"`
Time time.Time `json:"time"`
}
if err := json.NewDecoder(f).Decode(&res); err != nil {
c.Fatal(err)
}
if res.Log != "testline\n" {
c.Fatalf("Unexpected log line: %q, expected: %q", res.Log, "testline\n")
}
if res.Stream != "stdout" {
c.Fatalf("Unexpected stream: %q, expected: %q", res.Stream, "stdout")
}
if !time.Now().After(res.Time) {
c.Fatalf("Log time %v in future", res.Time)
}
}
func (s *DockerDaemonSuite) TestDaemonLoggingDriverNoneLogsError(c *check.C) {
if err := s.d.StartWithBusybox("--log-driver=none"); err != nil {
c.Fatal(err)
}
out, err := s.d.Cmd("run", "-d", "busybox", "echo", "testline")
if err != nil {
c.Fatal(out, err)
}
id := strings.TrimSpace(out)
out, err = s.d.Cmd("logs", id)
if err == nil {
c.Fatalf("Logs should fail with \"none\" driver")
}
if !strings.Contains(out, `"logs" command is supported only for "json-file" logging driver`) {
c.Fatalf("There should be error about non-json-file driver, got: %s", out)
}
}
func (s *DockerDaemonSuite) TestDaemonDots(c *check.C) {
if err := s.d.StartWithBusybox(); err != nil {
c.Fatal(err)
}
// Now create 4 containers
if _, err := s.d.Cmd("create", "busybox"); err != nil {
c.Fatalf("Error creating container: %q", err)
}
if _, err := s.d.Cmd("create", "busybox"); err != nil {
c.Fatalf("Error creating container: %q", err)
}
if _, err := s.d.Cmd("create", "busybox"); err != nil {
c.Fatalf("Error creating container: %q", err)
}
if _, err := s.d.Cmd("create", "busybox"); err != nil {
c.Fatalf("Error creating container: %q", err)
}
s.d.Stop()
s.d.Start("--log-level=debug")
s.d.Stop()
content, _ := ioutil.ReadFile(s.d.logFile.Name())
if strings.Contains(string(content), "....") {
c.Fatalf("Debug level should not have ....\n%s", string(content))
}
s.d.Start("--log-level=error")
s.d.Stop()
content, _ = ioutil.ReadFile(s.d.logFile.Name())
if strings.Contains(string(content), "....") {
c.Fatalf("Error level should not have ....\n%s", string(content))
}
s.d.Start("--log-level=info")
s.d.Stop()
content, _ = ioutil.ReadFile(s.d.logFile.Name())
if !strings.Contains(string(content), "....") {
c.Fatalf("Info level should have ....\n%s", string(content))
}
}
func (s *DockerDaemonSuite) TestDaemonUnixSockCleanedUp(c *check.C) {
dir, err := ioutil.TempDir("", "socket-cleanup-test")
if err != nil {
c.Fatal(err)
}
defer os.RemoveAll(dir)
sockPath := filepath.Join(dir, "docker.sock")
if err := s.d.Start("--host", "unix://"+sockPath); err != nil {
c.Fatal(err)
}
if _, err := os.Stat(sockPath); err != nil {
c.Fatal("socket does not exist")
}
if err := s.d.Stop(); err != nil {
c.Fatal(err)
}
if _, err := os.Stat(sockPath); err == nil || !os.IsNotExist(err) {
c.Fatal("unix socket is not cleaned up")
}
}
func (s *DockerDaemonSuite) TestDaemonWithWrongkey(c *check.C) {
type Config struct {
Crv string `json:"crv"`
D string `json:"d"`
Kid string `json:"kid"`
Kty string `json:"kty"`
X string `json:"x"`
Y string `json:"y"`
}
os.Remove("/etc/docker/key.json")
if err := s.d.Start(); err != nil {
c.Fatalf("Failed to start daemon: %v", err)
}
if err := s.d.Stop(); err != nil {
c.Fatalf("Could not stop daemon: %v", err)
}
config := &Config{}
bytes, err := ioutil.ReadFile("/etc/docker/key.json")
if err != nil {
c.Fatalf("Error reading key.json file: %s", err)
}
// byte[] to Data-Struct
if err := json.Unmarshal(bytes, &config); err != nil {
c.Fatalf("Error Unmarshal: %s", err)
}
//replace config.Kid with the fake value
config.Kid = "VSAJ:FUYR:X3H2:B2VZ:KZ6U:CJD5:K7BX:ZXHY:UZXT:P4FT:MJWG:HRJ4"
// NEW Data-Struct to byte[]
newBytes, err := json.Marshal(&config)
if err != nil {
c.Fatalf("Error Marshal: %s", err)
}
// write back
if err := ioutil.WriteFile("/etc/docker/key.json", newBytes, 0400); err != nil {
c.Fatalf("Error ioutil.WriteFile: %s", err)
}
defer os.Remove("/etc/docker/key.json")