mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
536 lines
15 KiB
Go
536 lines
15 KiB
Go
// +build daemon
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package main
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"testing"
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"github.com/docker/libtrust"
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)
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func TestDaemonRestartWithRunningContainersPorts(t *testing.T) {
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d := NewDaemon(t)
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if err := d.StartWithBusybox(); err != nil {
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t.Fatalf("Could not start daemon with busybox: %v", err)
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}
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defer d.Stop()
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if out, err := d.Cmd("run", "-d", "--name", "top1", "-p", "1234:80", "--restart", "always", "busybox:latest", "top"); err != nil {
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t.Fatalf("Could not run top1: err=%v\n%s", err, out)
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}
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// --restart=no by default
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if out, err := d.Cmd("run", "-d", "--name", "top2", "-p", "80", "busybox:latest", "top"); err != nil {
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t.Fatalf("Could not run top2: err=%v\n%s", err, out)
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}
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testRun := func(m map[string]bool, prefix string) {
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var format string
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for c, shouldRun := range m {
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out, err := d.Cmd("ps")
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if err != nil {
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t.Fatalf("Could not run ps: err=%v\n%q", err, out)
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}
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if shouldRun {
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format = "%scontainer %q is not running"
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} else {
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format = "%scontainer %q is running"
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}
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if shouldRun != strings.Contains(out, c) {
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t.Fatalf(format, prefix, c)
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}
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}
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}
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testRun(map[string]bool{"top1": true, "top2": true}, "")
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if err := d.Restart(); err != nil {
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t.Fatalf("Could not restart daemon: %v", err)
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}
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testRun(map[string]bool{"top1": true, "top2": false}, "After daemon restart: ")
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logDone("daemon - running containers on daemon restart")
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}
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func TestDaemonRestartWithVolumesRefs(t *testing.T) {
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d := NewDaemon(t)
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if err := d.StartWithBusybox(); err != nil {
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t.Fatal(err)
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}
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defer d.Stop()
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if out, err := d.Cmd("run", "-d", "--name", "volrestarttest1", "-v", "/foo", "busybox"); err != nil {
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t.Fatal(err, out)
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}
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if err := d.Restart(); err != nil {
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t.Fatal(err)
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}
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if _, err := d.Cmd("run", "-d", "--volumes-from", "volrestarttest1", "--name", "volrestarttest2", "busybox", "top"); err != nil {
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t.Fatal(err)
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}
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if out, err := d.Cmd("rm", "-fv", "volrestarttest2"); err != nil {
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t.Fatal(err, out)
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}
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v, err := d.Cmd("inspect", "--format", "{{ json .Volumes }}", "volrestarttest1")
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if err != nil {
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t.Fatal(err)
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}
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volumes := make(map[string]string)
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json.Unmarshal([]byte(v), &volumes)
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if _, err := os.Stat(volumes["/foo"]); err != nil {
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t.Fatalf("Expected volume to exist: %s - %s", volumes["/foo"], err)
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}
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logDone("daemon - volume refs are restored")
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}
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func TestDaemonStartIptablesFalse(t *testing.T) {
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d := NewDaemon(t)
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if err := d.Start("--iptables=false"); err != nil {
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t.Fatalf("we should have been able to start the daemon with passing iptables=false: %v", err)
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}
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d.Stop()
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logDone("daemon - started daemon with iptables=false")
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}
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// Issue #8444: If docker0 bridge is modified (intentionally or unintentionally) and
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// no longer has an IP associated, we should gracefully handle that case and associate
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// an IP with it rather than fail daemon start
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func TestDaemonStartBridgeWithoutIPAssociation(t *testing.T) {
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d := NewDaemon(t)
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// rather than depending on brctl commands to verify docker0 is created and up
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// let's start the daemon and stop it, and then make a modification to run the
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// actual test
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if err := d.Start(); err != nil {
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t.Fatalf("Could not start daemon: %v", err)
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}
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if err := d.Stop(); err != nil {
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t.Fatalf("Could not stop daemon: %v", err)
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}
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// now we will remove the ip from docker0 and then try starting the daemon
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ipCmd := exec.Command("ip", "addr", "flush", "dev", "docker0")
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stdout, stderr, _, err := runCommandWithStdoutStderr(ipCmd)
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if err != nil {
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t.Fatalf("failed to remove docker0 IP association: %v, stdout: %q, stderr: %q", err, stdout, stderr)
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}
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if err := d.Start(); err != nil {
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warning := "**WARNING: Docker bridge network in bad state--delete docker0 bridge interface to fix"
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t.Fatalf("Could not start daemon when docker0 has no IP address: %v\n%s", err, warning)
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}
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// cleanup - stop the daemon if test passed
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if err := d.Stop(); err != nil {
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t.Fatalf("Could not stop daemon: %v", err)
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}
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logDone("daemon - successful daemon start when bridge has no IP association")
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}
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func TestDaemonIptablesClean(t *testing.T) {
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defer deleteAllContainers()
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d := NewDaemon(t)
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if err := d.StartWithBusybox(); err != nil {
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t.Fatalf("Could not start daemon with busybox: %v", err)
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}
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defer d.Stop()
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if out, err := d.Cmd("run", "-d", "--name", "top", "-p", "80", "busybox:latest", "top"); err != nil {
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t.Fatalf("Could not run top: %s, %v", out, err)
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}
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// get output from iptables with container running
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ipTablesSearchString := "tcp dpt:80"
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ipTablesCmd := exec.Command("iptables", "-nvL")
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out, _, err := runCommandWithOutput(ipTablesCmd)
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if err != nil {
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t.Fatalf("Could not run iptables -nvL: %s, %v", out, err)
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}
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if !strings.Contains(out, ipTablesSearchString) {
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t.Fatalf("iptables output should have contained %q, but was %q", ipTablesSearchString, out)
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}
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if err := d.Stop(); err != nil {
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t.Fatalf("Could not stop daemon: %v", err)
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}
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// get output from iptables after restart
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ipTablesCmd = exec.Command("iptables", "-nvL")
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out, _, err = runCommandWithOutput(ipTablesCmd)
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if err != nil {
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t.Fatalf("Could not run iptables -nvL: %s, %v", out, err)
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}
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if strings.Contains(out, ipTablesSearchString) {
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t.Fatalf("iptables output should not have contained %q, but was %q", ipTablesSearchString, out)
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}
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logDone("daemon - run,iptables - iptables rules cleaned after daemon restart")
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}
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func TestDaemonIptablesCreate(t *testing.T) {
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defer deleteAllContainers()
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d := NewDaemon(t)
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if err := d.StartWithBusybox(); err != nil {
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t.Fatalf("Could not start daemon with busybox: %v", err)
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}
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defer d.Stop()
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if out, err := d.Cmd("run", "-d", "--name", "top", "--restart=always", "-p", "80", "busybox:latest", "top"); err != nil {
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t.Fatalf("Could not run top: %s, %v", out, err)
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}
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// get output from iptables with container running
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ipTablesSearchString := "tcp dpt:80"
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ipTablesCmd := exec.Command("iptables", "-nvL")
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out, _, err := runCommandWithOutput(ipTablesCmd)
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if err != nil {
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t.Fatalf("Could not run iptables -nvL: %s, %v", out, err)
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}
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if !strings.Contains(out, ipTablesSearchString) {
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t.Fatalf("iptables output should have contained %q, but was %q", ipTablesSearchString, out)
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}
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if err := d.Restart(); err != nil {
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t.Fatalf("Could not restart daemon: %v", err)
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}
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// make sure the container is not running
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runningOut, err := d.Cmd("inspect", "--format='{{.State.Running}}'", "top")
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if err != nil {
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t.Fatalf("Could not inspect on container: %s, %v", out, err)
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}
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if strings.TrimSpace(runningOut) != "true" {
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t.Fatalf("Container should have been restarted after daemon restart. Status running should have been true but was: %q", strings.TrimSpace(runningOut))
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}
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// get output from iptables after restart
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ipTablesCmd = exec.Command("iptables", "-nvL")
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out, _, err = runCommandWithOutput(ipTablesCmd)
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if err != nil {
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t.Fatalf("Could not run iptables -nvL: %s, %v", out, err)
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}
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if !strings.Contains(out, ipTablesSearchString) {
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t.Fatalf("iptables output after restart should have contained %q, but was %q", ipTablesSearchString, out)
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}
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logDone("daemon - run,iptables - iptables rules for always restarted container created after daemon restart")
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}
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func TestDaemonLoggingLevel(t *testing.T) {
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d := NewDaemon(t)
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if err := d.Start("--log-level=bogus"); err == nil {
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t.Fatal("Daemon should not have been able to start")
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}
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d = NewDaemon(t)
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if err := d.Start("--log-level=debug"); err != nil {
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t.Fatal(err)
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}
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d.Stop()
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content, _ := ioutil.ReadFile(d.logFile.Name())
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if !strings.Contains(string(content), `level="debug"`) {
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t.Fatalf(`Missing level="debug" in log file:\n%s`, string(content))
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}
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d = NewDaemon(t)
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if err := d.Start("--log-level=fatal"); err != nil {
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t.Fatal(err)
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}
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d.Stop()
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content, _ = ioutil.ReadFile(d.logFile.Name())
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if strings.Contains(string(content), `level="debug"`) {
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t.Fatalf(`Should not have level="debug" in log file:\n%s`, string(content))
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}
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d = NewDaemon(t)
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if err := d.Start("-D"); err != nil {
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t.Fatal(err)
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}
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d.Stop()
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content, _ = ioutil.ReadFile(d.logFile.Name())
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if !strings.Contains(string(content), `level="debug"`) {
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t.Fatalf(`Missing level="debug" in log file using -D:\n%s`, string(content))
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}
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d = NewDaemon(t)
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if err := d.Start("--debug"); err != nil {
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t.Fatal(err)
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}
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d.Stop()
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content, _ = ioutil.ReadFile(d.logFile.Name())
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if !strings.Contains(string(content), `level="debug"`) {
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t.Fatalf(`Missing level="debug" in log file using --debug:\n%s`, string(content))
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}
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d = NewDaemon(t)
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if err := d.Start("--debug", "--log-level=fatal"); err != nil {
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t.Fatal(err)
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}
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d.Stop()
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content, _ = ioutil.ReadFile(d.logFile.Name())
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if !strings.Contains(string(content), `level="debug"`) {
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t.Fatalf(`Missing level="debug" in log file when using both --debug and --log-level=fatal:\n%s`, string(content))
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}
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logDone("daemon - Logging Level")
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}
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func TestDaemonAllocatesListeningPort(t *testing.T) {
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listeningPorts := [][]string{
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{"0.0.0.0", "0.0.0.0", "5678"},
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{"127.0.0.1", "127.0.0.1", "1234"},
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{"localhost", "127.0.0.1", "1235"},
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}
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cmdArgs := []string{}
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for _, hostDirective := range listeningPorts {
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cmdArgs = append(cmdArgs, "--host", fmt.Sprintf("tcp://%s:%s", hostDirective[0], hostDirective[2]))
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}
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d := NewDaemon(t)
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if err := d.StartWithBusybox(cmdArgs...); err != nil {
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t.Fatalf("Could not start daemon with busybox: %v", err)
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}
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defer d.Stop()
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for _, hostDirective := range listeningPorts {
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output, err := d.Cmd("run", "-p", fmt.Sprintf("%s:%s:80", hostDirective[1], hostDirective[2]), "busybox", "true")
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if err == nil {
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t.Fatalf("Container should not start, expected port already allocated error: %q", output)
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} else if !strings.Contains(output, "port is already allocated") {
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t.Fatalf("Expected port is already allocated error: %q", output)
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}
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}
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logDone("daemon - daemon listening port is allocated")
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}
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// #9629
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func TestDaemonVolumesBindsRefs(t *testing.T) {
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d := NewDaemon(t)
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if err := d.StartWithBusybox(); err != nil {
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t.Fatal(err)
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}
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tmp, err := ioutil.TempDir(os.TempDir(), "")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(tmp)
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if err := ioutil.WriteFile(tmp+"/test", []byte("testing"), 0655); err != nil {
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t.Fatal(err)
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}
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if out, err := d.Cmd("create", "-v", tmp+":/foo", "--name=voltest", "busybox"); err != nil {
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t.Fatal(err, out)
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}
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if err := d.Restart(); err != nil {
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t.Fatal(err)
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}
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if out, err := d.Cmd("run", "--volumes-from=voltest", "--name=consumer", "busybox", "/bin/sh", "-c", "[ -f /foo/test ]"); err != nil {
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t.Fatal(err, out)
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}
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logDone("daemon - bind refs in data-containers survive daemon restart")
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}
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func TestDaemonKeyGeneration(t *testing.T) {
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// TODO: skip or update for Windows daemon
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os.Remove("/etc/docker/key.json")
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d := NewDaemon(t)
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if err := d.Start(); err != nil {
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t.Fatalf("Could not start daemon: %v", err)
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}
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d.Stop()
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k, err := libtrust.LoadKeyFile("/etc/docker/key.json")
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if err != nil {
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t.Fatalf("Error opening key file")
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}
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kid := k.KeyID()
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// Test Key ID is a valid fingerprint (e.g. QQXN:JY5W:TBXI:MK3X:GX6P:PD5D:F56N:NHCS:LVRZ:JA46:R24J:XEFF)
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if len(kid) != 59 {
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t.Fatalf("Bad key ID: %s", kid)
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}
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logDone("daemon - key generation")
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}
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func TestDaemonKeyMigration(t *testing.T) {
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// TODO: skip or update for Windows daemon
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os.Remove("/etc/docker/key.json")
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k1, err := libtrust.GenerateECP256PrivateKey()
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if err != nil {
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t.Fatalf("Error generating private key: %s", err)
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}
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if err := os.MkdirAll(filepath.Join(os.Getenv("HOME"), ".docker"), 0755); err != nil {
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t.Fatalf("Error creating .docker directory: %s", err)
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}
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if err := libtrust.SaveKey(filepath.Join(os.Getenv("HOME"), ".docker", "key.json"), k1); err != nil {
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t.Fatalf("Error saving private key: %s", err)
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}
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d := NewDaemon(t)
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if err := d.Start(); err != nil {
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t.Fatalf("Could not start daemon: %v", err)
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}
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d.Stop()
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k2, err := libtrust.LoadKeyFile("/etc/docker/key.json")
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if err != nil {
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t.Fatalf("Error opening key file")
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}
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if k1.KeyID() != k2.KeyID() {
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t.Fatalf("Key not migrated")
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}
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logDone("daemon - key migration")
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}
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// Simulate an older daemon (pre 1.3) coming up with volumes specified in containers
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// without corrosponding volume json
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func TestDaemonUpgradeWithVolumes(t *testing.T) {
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d := NewDaemon(t)
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graphDir := filepath.Join(os.TempDir(), "docker-test")
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defer os.RemoveAll(graphDir)
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if err := d.StartWithBusybox("-g", graphDir); err != nil {
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t.Fatal(err)
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}
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tmpDir := filepath.Join(os.TempDir(), "test")
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defer os.RemoveAll(tmpDir)
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if out, err := d.Cmd("create", "-v", tmpDir+":/foo", "--name=test", "busybox"); err != nil {
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t.Fatal(err, out)
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}
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if err := d.Stop(); err != nil {
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t.Fatal(err)
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}
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// Remove this since we're expecting the daemon to re-create it too
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if err := os.RemoveAll(tmpDir); err != nil {
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t.Fatal(err)
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}
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configDir := filepath.Join(graphDir, "volumes")
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if err := os.RemoveAll(configDir); err != nil {
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t.Fatal(err)
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}
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if err := d.Start("-g", graphDir); err != nil {
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t.Fatal(err)
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}
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if _, err := os.Stat(tmpDir); os.IsNotExist(err) {
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t.Fatalf("expected volume path %s to exist but it does not", tmpDir)
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}
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dir, err := ioutil.ReadDir(configDir)
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if err != nil {
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t.Fatal(err)
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}
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if len(dir) == 0 {
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t.Fatalf("expected volumes config dir to contain data for new volume")
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}
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// Now with just removing the volume config and not the volume data
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if err := d.Stop(); err != nil {
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t.Fatal(err)
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}
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if err := os.RemoveAll(configDir); err != nil {
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t.Fatal(err)
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}
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if err := d.Start("-g", graphDir); err != nil {
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t.Fatal(err)
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}
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dir, err = ioutil.ReadDir(configDir)
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if err != nil {
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t.Fatal(err)
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}
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if len(dir) == 0 {
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t.Fatalf("expected volumes config dir to contain data for new volume")
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}
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logDone("daemon - volumes from old(pre 1.3) daemon work")
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}
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func TestDaemonUlimitDefaults(t *testing.T) {
|
|
testRequires(t, NativeExecDriver)
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|
d := NewDaemon(t)
|
|
|
|
if err := d.StartWithBusybox("--default-ulimit", "nofile=42:42", "--default-ulimit", "nproc=1024:1024"); err != nil {
|
|
t.Fatal(err)
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|
}
|
|
|
|
out, err := d.Cmd("run", "--ulimit", "nproc=2048", "--name=test", "busybox", "/bin/sh", "-c", "echo $(ulimit -n); echo $(ulimit -p)")
|
|
if err != nil {
|
|
t.Fatal(out, err)
|
|
}
|
|
|
|
outArr := strings.Split(out, "\n")
|
|
if len(outArr) < 2 {
|
|
t.Fatal("got unexpected output: %s", out)
|
|
}
|
|
nofile := strings.TrimSpace(outArr[0])
|
|
nproc := strings.TrimSpace(outArr[1])
|
|
|
|
if nofile != "42" {
|
|
t.Fatalf("expected `ulimit -n` to be `42`, got: %s", nofile)
|
|
}
|
|
if nproc != "2048" {
|
|
t.Fatalf("exepcted `ulimit -p` to be 2048, got: %s", nproc)
|
|
}
|
|
|
|
// Now restart daemon with a new default
|
|
if err := d.Restart("--default-ulimit", "nofile=43"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
out, err = d.Cmd("start", "-a", "test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
outArr = strings.Split(out, "\n")
|
|
if len(outArr) < 2 {
|
|
t.Fatal("got unexpected output: %s", out)
|
|
}
|
|
nofile = strings.TrimSpace(outArr[0])
|
|
nproc = strings.TrimSpace(outArr[1])
|
|
|
|
if nofile != "43" {
|
|
t.Fatalf("expected `ulimit -n` to be `43`, got: %s", nofile)
|
|
}
|
|
if nproc != "2048" {
|
|
t.Fatalf("exepcted `ulimit -p` to be 2048, got: %s", nproc)
|
|
}
|
|
|
|
logDone("daemon - default ulimits are applied")
|
|
}
|