| package main |
| |
| import ( |
| "encoding/json" |
| "io/ioutil" |
| "os" |
| "os/exec" |
| "strings" |
| "testing" |
| ) |
| |
| func TestDaemonRestartWithRunningContainersPorts(t *testing.T) { |
| d := NewDaemon(t) |
| if err := d.StartWithBusybox(); err != nil { |
| t.Fatalf("Could not start daemon with busybox: %v", err) |
| } |
| defer d.Stop() |
| |
| if out, err := d.Cmd("run", "-d", "--name", "top1", "-p", "1234:80", "--restart", "always", "busybox:latest", "top"); err != nil { |
| t.Fatalf("Could not run top1: err=%v\n%s", err, out) |
| } |
| // --restart=no by default |
| if out, err := d.Cmd("run", "-d", "--name", "top2", "-p", "80", "busybox:latest", "top"); err != nil { |
| t.Fatalf("Could not run top2: err=%v\n%s", err, out) |
| } |
| |
| testRun := func(m map[string]bool, prefix string) { |
| var format string |
| for c, shouldRun := range m { |
| out, err := d.Cmd("ps") |
| if err != nil { |
| t.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, c) { |
| t.Fatalf(format, prefix, c) |
| } |
| } |
| } |
| |
| testRun(map[string]bool{"top1": true, "top2": true}, "") |
| |
| if err := d.Restart(); err != nil { |
| t.Fatalf("Could not restart daemon: %v", err) |
| } |
| |
| testRun(map[string]bool{"top1": true, "top2": false}, "After daemon restart: ") |
| |
| logDone("daemon - running containers on daemon restart") |
| } |
| |
| func TestDaemonRestartWithVolumesRefs(t *testing.T) { |
| d := NewDaemon(t) |
| if err := d.StartWithBusybox(); err != nil { |
| t.Fatal(err) |
| } |
| defer d.Stop() |
| |
| if out, err := d.Cmd("run", "-d", "--name", "volrestarttest1", "-v", "/foo", "busybox"); err != nil { |
| t.Fatal(err, out) |
| } |
| if err := d.Restart(); err != nil { |
| t.Fatal(err) |
| } |
| if _, err := d.Cmd("run", "-d", "--volumes-from", "volrestarttest1", "--name", "volrestarttest2", "busybox"); err != nil { |
| t.Fatal(err) |
| } |
| if out, err := d.Cmd("rm", "-fv", "volrestarttest2"); err != nil { |
| t.Fatal(err, out) |
| } |
| v, err := d.Cmd("inspect", "--format", "{{ json .Volumes }}", "volrestarttest1") |
| if err != nil { |
| t.Fatal(err) |
| } |
| volumes := make(map[string]string) |
| json.Unmarshal([]byte(v), &volumes) |
| if _, err := os.Stat(volumes["/foo"]); err != nil { |
| t.Fatalf("Expected volume to exist: %s - %s", volumes["/foo"], err) |
| } |
| |
| logDone("daemon - volume refs are restored") |
| } |
| |
| func TestDaemonStartIptablesFalse(t *testing.T) { |
| d := NewDaemon(t) |
| if err := d.Start("--iptables=false"); err != nil { |
| t.Fatalf("we should have been able to start the daemon with passing iptables=false: %v", err) |
| } |
| d.Stop() |
| |
| logDone("daemon - started daemon with iptables=false") |
| } |
| |
| // 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 TestDaemonStartBridgeWithoutIPAssociation(t *testing.T) { |
| d := NewDaemon(t) |
| // 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 := d.Start(); err != nil { |
| t.Fatalf("Could not start daemon: %v", err) |
| } |
| if err := d.Stop(); err != nil { |
| t.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 { |
| t.Fatalf("failed to remove docker0 IP association: %v, stdout: %q, stderr: %q", err, stdout, stderr) |
| } |
| |
| if err := d.Start(); err != nil { |
| warning := "**WARNING: Docker bridge network in bad state--delete docker0 bridge interface to fix" |
| t.Fatalf("Could not start daemon when docker0 has no IP address: %v\n%s", err, warning) |
| } |
| |
| // cleanup - stop the daemon if test passed |
| if err := d.Stop(); err != nil { |
| t.Fatalf("Could not stop daemon: %v", err) |
| } |
| |
| logDone("daemon - successful daemon start when bridge has no IP association") |
| } |
| |
| func TestDaemonIptablesClean(t *testing.T) { |
| d := NewDaemon(t) |
| if err := d.StartWithBusybox(); err != nil { |
| t.Fatalf("Could not start daemon with busybox: %v", err) |
| } |
| defer d.Stop() |
| |
| if out, err := d.Cmd("run", "-d", "--name", "top", "-p", "80", "busybox:latest", "top"); err != nil { |
| t.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 { |
| t.Fatalf("Could not run iptables -nvL: %s, %v", out, err) |
| } |
| |
| if !strings.Contains(out, ipTablesSearchString) { |
| t.Fatalf("iptables output should have contained %q, but was %q", ipTablesSearchString, out) |
| } |
| |
| if err := d.Stop(); err != nil { |
| t.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 { |
| t.Fatalf("Could not run iptables -nvL: %s, %v", out, err) |
| } |
| |
| if strings.Contains(out, ipTablesSearchString) { |
| t.Fatalf("iptables output should not have contained %q, but was %q", ipTablesSearchString, out) |
| } |
| |
| deleteAllContainers() |
| |
| logDone("daemon - run,iptables - iptables rules cleaned after daemon restart") |
| } |
| |
| func TestDaemonIptablesCreate(t *testing.T) { |
| d := NewDaemon(t) |
| if err := d.StartWithBusybox(); err != nil { |
| t.Fatalf("Could not start daemon with busybox: %v", err) |
| } |
| defer d.Stop() |
| |
| if out, err := d.Cmd("run", "-d", "--name", "top", "--restart=always", "-p", "80", "busybox:latest", "top"); err != nil { |
| t.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 { |
| t.Fatalf("Could not run iptables -nvL: %s, %v", out, err) |
| } |
| |
| if !strings.Contains(out, ipTablesSearchString) { |
| t.Fatalf("iptables output should have contained %q, but was %q", ipTablesSearchString, out) |
| } |
| |
| if err := d.Restart(); err != nil { |
| t.Fatalf("Could not restart daemon: %v", err) |
| } |
| |
| // make sure the container is not running |
| runningOut, err := d.Cmd("inspect", "--format='{{.State.Running}}'", "top") |
| if err != nil { |
| t.Fatalf("Could not inspect on container: %s, %v", out, err) |
| } |
| if strings.TrimSpace(runningOut) != "true" { |
| t.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 { |
| t.Fatalf("Could not run iptables -nvL: %s, %v", out, err) |
| } |
| |
| if !strings.Contains(out, ipTablesSearchString) { |
| t.Fatalf("iptables output after restart should have contained %q, but was %q", ipTablesSearchString, out) |
| } |
| |
| deleteAllContainers() |
| |
| logDone("daemon - run,iptables - iptables rules for always restarted container created after daemon restart") |
| } |
| |
| func TestDaemonLoggingLevel(t *testing.T) { |
| d := NewDaemon(t) |
| |
| if err := d.Start("--log-level=bogus"); err == nil { |
| t.Fatal("Daemon should not have been able to start") |
| } |
| |
| d = NewDaemon(t) |
| if err := d.Start("--log-level=debug"); err != nil { |
| t.Fatal(err) |
| } |
| d.Stop() |
| content, _ := ioutil.ReadFile(d.logFile.Name()) |
| if !strings.Contains(string(content), `level="debug"`) { |
| t.Fatalf(`Missing level="debug" in log file:\n%s`, string(content)) |
| } |
| |
| d = NewDaemon(t) |
| if err := d.Start("--log-level=fatal"); err != nil { |
| t.Fatal(err) |
| } |
| d.Stop() |
| content, _ = ioutil.ReadFile(d.logFile.Name()) |
| if strings.Contains(string(content), `level="debug"`) { |
| t.Fatalf(`Should not have level="debug" in log file:\n%s`, string(content)) |
| } |
| |
| d = NewDaemon(t) |
| if err := d.Start("-D"); err != nil { |
| t.Fatal(err) |
| } |
| d.Stop() |
| content, _ = ioutil.ReadFile(d.logFile.Name()) |
| if !strings.Contains(string(content), `level="debug"`) { |
| t.Fatalf(`Missing level="debug" in log file using -D:\n%s`, string(content)) |
| } |
| |
| d = NewDaemon(t) |
| if err := d.Start("--debug"); err != nil { |
| t.Fatal(err) |
| } |
| d.Stop() |
| content, _ = ioutil.ReadFile(d.logFile.Name()) |
| if !strings.Contains(string(content), `level="debug"`) { |
| t.Fatalf(`Missing level="debug" in log file using --debug:\n%s`, string(content)) |
| } |
| |
| d = NewDaemon(t) |
| if err := d.Start("--debug", "--log-level=fatal"); err != nil { |
| t.Fatal(err) |
| } |
| d.Stop() |
| content, _ = ioutil.ReadFile(d.logFile.Name()) |
| if !strings.Contains(string(content), `level="debug"`) { |
| t.Fatalf(`Missing level="debug" in log file when using both --debug and --log-level=fatal:\n%s`, string(content)) |
| } |
| |
| logDone("daemon - Logging Level") |
| } |
