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moby--moby/runconfig/opts/parse_test.go
Alessandro Boch 2bb3fc1bc5 Allow user to choose the IP address for the container
Signed-off-by: Alessandro Boch <aboch@docker.com>
2016-01-08 10:09:16 -08:00

815 lines
33 KiB
Go

package opts
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"os"
"runtime"
"strings"
"testing"
flag "github.com/docker/docker/pkg/mflag"
"github.com/docker/docker/runconfig"
"github.com/docker/engine-api/types/container"
networktypes "github.com/docker/engine-api/types/network"
"github.com/docker/go-connections/nat"
)
func parseRun(args []string) (*container.Config, *container.HostConfig, *networktypes.NetworkingConfig, *flag.FlagSet, error) {
cmd := flag.NewFlagSet("run", flag.ContinueOnError)
cmd.SetOutput(ioutil.Discard)
cmd.Usage = nil
return Parse(cmd, args)
}
func parse(t *testing.T, args string) (*container.Config, *container.HostConfig, error) {
config, hostConfig, _, _, err := parseRun(strings.Split(args+" ubuntu bash", " "))
return config, hostConfig, err
}
func mustParse(t *testing.T, args string) (*container.Config, *container.HostConfig) {
config, hostConfig, err := parse(t, args)
if err != nil {
t.Fatal(err)
}
return config, hostConfig
}
func TestParseRunLinks(t *testing.T) {
if _, hostConfig := mustParse(t, "--link a:b"); len(hostConfig.Links) == 0 || hostConfig.Links[0] != "a:b" {
t.Fatalf("Error parsing links. Expected []string{\"a:b\"}, received: %v", hostConfig.Links)
}
if _, hostConfig := mustParse(t, "--link a:b --link c:d"); len(hostConfig.Links) < 2 || hostConfig.Links[0] != "a:b" || hostConfig.Links[1] != "c:d" {
t.Fatalf("Error parsing links. Expected []string{\"a:b\", \"c:d\"}, received: %v", hostConfig.Links)
}
if _, hostConfig := mustParse(t, ""); len(hostConfig.Links) != 0 {
t.Fatalf("Error parsing links. No link expected, received: %v", hostConfig.Links)
}
}
func TestParseRunAttach(t *testing.T) {
if config, _ := mustParse(t, "-a stdin"); !config.AttachStdin || config.AttachStdout || config.AttachStderr {
t.Fatalf("Error parsing attach flags. Expect only Stdin enabled. Received: in: %v, out: %v, err: %v", config.AttachStdin, config.AttachStdout, config.AttachStderr)
}
if config, _ := mustParse(t, "-a stdin -a stdout"); !config.AttachStdin || !config.AttachStdout || config.AttachStderr {
t.Fatalf("Error parsing attach flags. Expect only Stdin and Stdout enabled. Received: in: %v, out: %v, err: %v", config.AttachStdin, config.AttachStdout, config.AttachStderr)
}
if config, _ := mustParse(t, "-a stdin -a stdout -a stderr"); !config.AttachStdin || !config.AttachStdout || !config.AttachStderr {
t.Fatalf("Error parsing attach flags. Expect all attach enabled. Received: in: %v, out: %v, err: %v", config.AttachStdin, config.AttachStdout, config.AttachStderr)
}
if config, _ := mustParse(t, ""); config.AttachStdin || !config.AttachStdout || !config.AttachStderr {
t.Fatalf("Error parsing attach flags. Expect Stdin disabled. Received: in: %v, out: %v, err: %v", config.AttachStdin, config.AttachStdout, config.AttachStderr)
}
if config, _ := mustParse(t, "-i"); !config.AttachStdin || !config.AttachStdout || !config.AttachStderr {
t.Fatalf("Error parsing attach flags. Expect Stdin enabled. Received: in: %v, out: %v, err: %v", config.AttachStdin, config.AttachStdout, config.AttachStderr)
}
if _, _, err := parse(t, "-a"); err == nil {
t.Fatalf("Error parsing attach flags, `-a` should be an error but is not")
}
if _, _, err := parse(t, "-a invalid"); err == nil {
t.Fatalf("Error parsing attach flags, `-a invalid` should be an error but is not")
}
if _, _, err := parse(t, "-a invalid -a stdout"); err == nil {
t.Fatalf("Error parsing attach flags, `-a stdout -a invalid` should be an error but is not")
}
if _, _, err := parse(t, "-a stdout -a stderr -d"); err == nil {
t.Fatalf("Error parsing attach flags, `-a stdout -a stderr -d` should be an error but is not")
}
if _, _, err := parse(t, "-a stdin -d"); err == nil {
t.Fatalf("Error parsing attach flags, `-a stdin -d` should be an error but is not")
}
if _, _, err := parse(t, "-a stdout -d"); err == nil {
t.Fatalf("Error parsing attach flags, `-a stdout -d` should be an error but is not")
}
if _, _, err := parse(t, "-a stderr -d"); err == nil {
t.Fatalf("Error parsing attach flags, `-a stderr -d` should be an error but is not")
}
if _, _, err := parse(t, "-d --rm"); err == nil {
t.Fatalf("Error parsing attach flags, `-d --rm` should be an error but is not")
}
}
func TestParseRunVolumes(t *testing.T) {
// A single volume
arr, tryit := setupPlatformVolume([]string{`/tmp`}, []string{`c:\tmp`})
if config, hostConfig := mustParse(t, tryit); hostConfig.Binds != nil {
t.Fatalf("Error parsing volume flags, %q should not mount-bind anything. Received %v", tryit, hostConfig.Binds)
} else if _, exists := config.Volumes[arr[0]]; !exists {
t.Fatalf("Error parsing volume flags, %q is missing from volumes. Received %v", tryit, config.Volumes)
}
// Two volumes
arr, tryit = setupPlatformVolume([]string{`/tmp`, `/var`}, []string{`c:\tmp`, `c:\var`})
if config, hostConfig := mustParse(t, tryit); hostConfig.Binds != nil {
t.Fatalf("Error parsing volume flags, %q should not mount-bind anything. Received %v", tryit, hostConfig.Binds)
} else if _, exists := config.Volumes[arr[0]]; !exists {
t.Fatalf("Error parsing volume flags, %s is missing from volumes. Received %v", arr[0], config.Volumes)
} else if _, exists := config.Volumes[arr[1]]; !exists {
t.Fatalf("Error parsing volume flags, %s is missing from volumes. Received %v", arr[1], config.Volumes)
}
// A single bind-mount
arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp`}, []string{os.Getenv("TEMP") + `:c:\containerTmp`})
if config, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || hostConfig.Binds[0] != arr[0] {
t.Fatalf("Error parsing volume flags, %q should mount-bind the path before the colon into the path after the colon. Received %v %v", arr[0], hostConfig.Binds, config.Volumes)
}
// Two bind-mounts.
arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp`, `/hostVar:/containerVar`}, []string{os.Getenv("ProgramData") + `:c:\ContainerPD`, os.Getenv("TEMP") + `:c:\containerTmp`})
if _, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil {
t.Fatalf("Error parsing volume flags, `%s and %s` did not mount-bind correctly. Received %v", arr[0], arr[1], hostConfig.Binds)
}
// Two bind-mounts, first read-only, second read-write.
// TODO Windows: The Windows version uses read-write as that's the only mode it supports. Can change this post TP4
arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp:ro`, `/hostVar:/containerVar:rw`}, []string{os.Getenv("TEMP") + `:c:\containerTmp:rw`, os.Getenv("ProgramData") + `:c:\ContainerPD:rw`})
if _, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil {
t.Fatalf("Error parsing volume flags, `%s and %s` did not mount-bind correctly. Received %v", arr[0], arr[1], hostConfig.Binds)
}
// Similar to previous test but with alternate modes which are only supported by Linux
if runtime.GOOS != "windows" {
arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp:ro,Z`, `/hostVar:/containerVar:rw,Z`}, []string{})
if _, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil {
t.Fatalf("Error parsing volume flags, `%s and %s` did not mount-bind correctly. Received %v", arr[0], arr[1], hostConfig.Binds)
}
arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp:Z`, `/hostVar:/containerVar:z`}, []string{})
if _, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil {
t.Fatalf("Error parsing volume flags, `%s and %s` did not mount-bind correctly. Received %v", arr[0], arr[1], hostConfig.Binds)
}
}
// One bind mount and one volume
arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp`, `/containerVar`}, []string{os.Getenv("TEMP") + `:c:\containerTmp`, `c:\containerTmp`})
if config, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || len(hostConfig.Binds) > 1 || hostConfig.Binds[0] != arr[0] {
t.Fatalf("Error parsing volume flags, %s and %s should only one and only one bind mount %s. Received %s", arr[0], arr[1], arr[0], hostConfig.Binds)
} else if _, exists := config.Volumes[arr[1]]; !exists {
t.Fatalf("Error parsing volume flags %s and %s. %s is missing from volumes. Received %v", arr[0], arr[1], arr[1], config.Volumes)
}
// Root to non-c: drive letter (Windows specific)
if runtime.GOOS == "windows" {
arr, tryit = setupPlatformVolume([]string{}, []string{os.Getenv("SystemDrive") + `\:d:`})
if config, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || len(hostConfig.Binds) > 1 || hostConfig.Binds[0] != arr[0] || len(config.Volumes) != 0 {
t.Fatalf("Error parsing %s. Should have a single bind mount and no volumes", arr[0])
}
}
}
// This tests the cases for binds which are generated through
// DecodeContainerConfig rather than Parse()
func TestDecodeContainerConfigVolumes(t *testing.T) {
// Root to root
bindsOrVols, _ := setupPlatformVolume([]string{`/:/`}, []string{os.Getenv("SystemDrive") + `\:c:\`})
if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil {
t.Fatalf("volume %v should have failed", bindsOrVols)
}
// No destination path
bindsOrVols, _ = setupPlatformVolume([]string{`/tmp:`}, []string{os.Getenv("TEMP") + `\:`})
if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
// // No destination path or mode
bindsOrVols, _ = setupPlatformVolume([]string{`/tmp::`}, []string{os.Getenv("TEMP") + `\::`})
if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
// A whole lot of nothing
bindsOrVols = []string{`:`}
if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
// A whole lot of nothing with no mode
bindsOrVols = []string{`::`}
if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
// Too much including an invalid mode
wTmp := os.Getenv("TEMP")
bindsOrVols, _ = setupPlatformVolume([]string{`/tmp:/tmp:/tmp:/tmp`}, []string{wTmp + ":" + wTmp + ":" + wTmp + ":" + wTmp})
if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
// Windows specific error tests
if runtime.GOOS == "windows" {
// Volume which does not include a drive letter
bindsOrVols = []string{`\tmp`}
if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
// Root to C-Drive
bindsOrVols = []string{os.Getenv("SystemDrive") + `\:c:`}
if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
// Container path that does not include a drive letter
bindsOrVols = []string{`c:\windows:\somewhere`}
if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
}
// Linux-specific error tests
if runtime.GOOS != "windows" {
// Just root
bindsOrVols = []string{`/`}
if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil {
t.Fatalf("binds %v should have failed", bindsOrVols)
}
// A single volume that looks like a bind mount passed in Volumes.
// This should be handled as a bind mount, not a volume.
vols := []string{`/foo:/bar`}
if config, hostConfig, err := callDecodeContainerConfig(vols, nil); err != nil {
t.Fatal("Volume /foo:/bar should have succeeded as a volume name")
} else if hostConfig.Binds != nil {
t.Fatalf("Error parsing volume flags, /foo:/bar should not mount-bind anything. Received %v", hostConfig.Binds)
} else if _, exists := config.Volumes[vols[0]]; !exists {
t.Fatalf("Error parsing volume flags, /foo:/bar is missing from volumes. Received %v", config.Volumes)
}
}
}
// callDecodeContainerConfig is a utility function used by TestDecodeContainerConfigVolumes
// to call DecodeContainerConfig. It effectively does what a client would
// do when calling the daemon by constructing a JSON stream of a
// ContainerConfigWrapper which is populated by the set of volume specs
// passed into it. It returns a config and a hostconfig which can be
// validated to ensure DecodeContainerConfig has manipulated the structures
// correctly.
func callDecodeContainerConfig(volumes []string, binds []string) (*container.Config, *container.HostConfig, error) {
var (
b []byte
err error
c *container.Config
h *container.HostConfig
)
w := runconfig.ContainerConfigWrapper{
Config: &container.Config{
Volumes: map[string]struct{}{},
},
HostConfig: &container.HostConfig{
NetworkMode: "none",
Binds: binds,
},
}
for _, v := range volumes {
w.Config.Volumes[v] = struct{}{}
}
if b, err = json.Marshal(w); err != nil {
return nil, nil, fmt.Errorf("Error on marshal %s", err.Error())
}
c, h, _, err = runconfig.DecodeContainerConfig(bytes.NewReader(b))
if err != nil {
return nil, nil, fmt.Errorf("Error parsing %s: %v", string(b), err)
}
if c == nil || h == nil {
return nil, nil, fmt.Errorf("Empty config or hostconfig")
}
return c, h, err
}
// check if (a == c && b == d) || (a == d && b == c)
// because maps are randomized
func compareRandomizedStrings(a, b, c, d string) error {
if a == c && b == d {
return nil
}
if a == d && b == c {
return nil
}
return fmt.Errorf("strings don't match")
}
// setupPlatformVolume takes two arrays of volume specs - a Unix style
// spec and a Windows style spec. Depending on the platform being unit tested,
// it returns one of them, along with a volume string that would be passed
// on the docker CLI (eg -v /bar -v /foo).
func setupPlatformVolume(u []string, w []string) ([]string, string) {
var a []string
if runtime.GOOS == "windows" {
a = w
} else {
a = u
}
s := ""
for _, v := range a {
s = s + "-v " + v + " "
}
return a, s
}
// Simple parse with MacAddress validation
func TestParseWithMacAddress(t *testing.T) {
invalidMacAddress := "--mac-address=invalidMacAddress"
validMacAddress := "--mac-address=92:d0:c6:0a:29:33"
if _, _, _, _, err := parseRun([]string{invalidMacAddress, "img", "cmd"}); err != nil && err.Error() != "invalidMacAddress is not a valid mac address" {
t.Fatalf("Expected an error with %v mac-address, got %v", invalidMacAddress, err)
}
if config, _ := mustParse(t, validMacAddress); config.MacAddress != "92:d0:c6:0a:29:33" {
t.Fatalf("Expected the config to have '92:d0:c6:0a:29:33' as MacAddress, got '%v'", config.MacAddress)
}
}
func TestParseWithMemory(t *testing.T) {
invalidMemory := "--memory=invalid"
validMemory := "--memory=1G"
if _, _, _, _, err := parseRun([]string{invalidMemory, "img", "cmd"}); err != nil && err.Error() != "invalid size: 'invalid'" {
t.Fatalf("Expected an error with '%v' Memory, got '%v'", invalidMemory, err)
}
if _, hostconfig := mustParse(t, validMemory); hostconfig.Memory != 1073741824 {
t.Fatalf("Expected the config to have '1G' as Memory, got '%v'", hostconfig.Memory)
}
}
func TestParseWithMemorySwap(t *testing.T) {
invalidMemory := "--memory-swap=invalid"
validMemory := "--memory-swap=1G"
anotherValidMemory := "--memory-swap=-1"
if _, _, _, _, err := parseRun([]string{invalidMemory, "img", "cmd"}); err == nil || err.Error() != "invalid size: 'invalid'" {
t.Fatalf("Expected an error with '%v' MemorySwap, got '%v'", invalidMemory, err)
}
if _, hostconfig := mustParse(t, validMemory); hostconfig.MemorySwap != 1073741824 {
t.Fatalf("Expected the config to have '1073741824' as MemorySwap, got '%v'", hostconfig.MemorySwap)
}
if _, hostconfig := mustParse(t, anotherValidMemory); hostconfig.MemorySwap != -1 {
t.Fatalf("Expected the config to have '-1' as MemorySwap, got '%v'", hostconfig.MemorySwap)
}
}
func TestParseHostname(t *testing.T) {
hostname := "--hostname=hostname"
hostnameWithDomain := "--hostname=hostname.domainname"
hostnameWithDomainTld := "--hostname=hostname.domainname.tld"
if config, _ := mustParse(t, hostname); config.Hostname != "hostname" && config.Domainname != "" {
t.Fatalf("Expected the config to have 'hostname' as hostname, got '%v'", config.Hostname)
}
if config, _ := mustParse(t, hostnameWithDomain); config.Hostname != "hostname" && config.Domainname != "domainname" {
t.Fatalf("Expected the config to have 'hostname' as hostname, got '%v'", config.Hostname)
}
if config, _ := mustParse(t, hostnameWithDomainTld); config.Hostname != "hostname" && config.Domainname != "domainname.tld" {
t.Fatalf("Expected the config to have 'hostname' as hostname, got '%v'", config.Hostname)
}
}
func TestParseWithExpose(t *testing.T) {
invalids := map[string]string{
":": "Invalid port format for --expose: :",
"8080:9090": "Invalid port format for --expose: 8080:9090",
"/tcp": "Invalid range format for --expose: /tcp, error: Empty string specified for ports.",
"/udp": "Invalid range format for --expose: /udp, error: Empty string specified for ports.",
"NaN/tcp": `Invalid range format for --expose: NaN/tcp, error: strconv.ParseUint: parsing "NaN": invalid syntax`,
"NaN-NaN/tcp": `Invalid range format for --expose: NaN-NaN/tcp, error: strconv.ParseUint: parsing "NaN": invalid syntax`,
"8080-NaN/tcp": `Invalid range format for --expose: 8080-NaN/tcp, error: strconv.ParseUint: parsing "NaN": invalid syntax`,
"1234567890-8080/tcp": `Invalid range format for --expose: 1234567890-8080/tcp, error: strconv.ParseUint: parsing "1234567890": value out of range`,
}
valids := map[string][]nat.Port{
"8080/tcp": {"8080/tcp"},
"8080/udp": {"8080/udp"},
"8080/ncp": {"8080/ncp"},
"8080-8080/udp": {"8080/udp"},
"8080-8082/tcp": {"8080/tcp", "8081/tcp", "8082/tcp"},
}
for expose, expectedError := range invalids {
if _, _, _, _, err := parseRun([]string{fmt.Sprintf("--expose=%v", expose), "img", "cmd"}); err == nil || err.Error() != expectedError {
t.Fatalf("Expected error '%v' with '--expose=%v', got '%v'", expectedError, expose, err)
}
}
for expose, exposedPorts := range valids {
config, _, _, _, err := parseRun([]string{fmt.Sprintf("--expose=%v", expose), "img", "cmd"})
if err != nil {
t.Fatal(err)
}
if len(config.ExposedPorts) != len(exposedPorts) {
t.Fatalf("Expected %v exposed port, got %v", len(exposedPorts), len(config.ExposedPorts))
}
for _, port := range exposedPorts {
if _, ok := config.ExposedPorts[port]; !ok {
t.Fatalf("Expected %v, got %v", exposedPorts, config.ExposedPorts)
}
}
}
// Merge with actual published port
config, _, _, _, err := parseRun([]string{"--publish=80", "--expose=80-81/tcp", "img", "cmd"})
if err != nil {
t.Fatal(err)
}
if len(config.ExposedPorts) != 2 {
t.Fatalf("Expected 2 exposed ports, got %v", config.ExposedPorts)
}
ports := []nat.Port{"80/tcp", "81/tcp"}
for _, port := range ports {
if _, ok := config.ExposedPorts[port]; !ok {
t.Fatalf("Expected %v, got %v", ports, config.ExposedPorts)
}
}
}
func TestParseDevice(t *testing.T) {
valids := map[string]container.DeviceMapping{
"/dev/snd": {
PathOnHost: "/dev/snd",
PathInContainer: "/dev/snd",
CgroupPermissions: "rwm",
},
"/dev/snd:rw": {
PathOnHost: "/dev/snd",
PathInContainer: "/dev/snd",
CgroupPermissions: "rw",
},
"/dev/snd:/something": {
PathOnHost: "/dev/snd",
PathInContainer: "/something",
CgroupPermissions: "rwm",
},
"/dev/snd:/something:rw": {
PathOnHost: "/dev/snd",
PathInContainer: "/something",
CgroupPermissions: "rw",
},
}
for device, deviceMapping := range valids {
_, hostconfig, _, _, err := parseRun([]string{fmt.Sprintf("--device=%v", device), "img", "cmd"})
if err != nil {
t.Fatal(err)
}
if len(hostconfig.Devices) != 1 {
t.Fatalf("Expected 1 devices, got %v", hostconfig.Devices)
}
if hostconfig.Devices[0] != deviceMapping {
t.Fatalf("Expected %v, got %v", deviceMapping, hostconfig.Devices)
}
}
}
func TestParseModes(t *testing.T) {
// ipc ko
if _, _, _, _, err := parseRun([]string{"--ipc=container:", "img", "cmd"}); err == nil || err.Error() != "--ipc: invalid IPC mode" {
t.Fatalf("Expected an error with message '--ipc: invalid IPC mode', got %v", err)
}
// ipc ok
_, hostconfig, _, _, err := parseRun([]string{"--ipc=host", "img", "cmd"})
if err != nil {
t.Fatal(err)
}
if !hostconfig.IpcMode.Valid() {
t.Fatalf("Expected a valid IpcMode, got %v", hostconfig.IpcMode)
}
// pid ko
if _, _, _, _, err := parseRun([]string{"--pid=container:", "img", "cmd"}); err == nil || err.Error() != "--pid: invalid PID mode" {
t.Fatalf("Expected an error with message '--pid: invalid PID mode', got %v", err)
}
// pid ok
_, hostconfig, _, _, err = parseRun([]string{"--pid=host", "img", "cmd"})
if err != nil {
t.Fatal(err)
}
if !hostconfig.PidMode.Valid() {
t.Fatalf("Expected a valid PidMode, got %v", hostconfig.PidMode)
}
// uts ko
if _, _, _, _, err := parseRun([]string{"--uts=container:", "img", "cmd"}); err == nil || err.Error() != "--uts: invalid UTS mode" {
t.Fatalf("Expected an error with message '--uts: invalid UTS mode', got %v", err)
}
// uts ok
_, hostconfig, _, _, err = parseRun([]string{"--uts=host", "img", "cmd"})
if err != nil {
t.Fatal(err)
}
if !hostconfig.UTSMode.Valid() {
t.Fatalf("Expected a valid UTSMode, got %v", hostconfig.UTSMode)
}
// shm-size ko
if _, _, _, _, err = parseRun([]string{"--shm-size=a128m", "img", "cmd"}); err == nil || err.Error() != "invalid size: 'a128m'" {
t.Fatalf("Expected an error with message 'invalid size: a128m', got %v", err)
}
// shm-size ok
_, hostconfig, _, _, err = parseRun([]string{"--shm-size=128m", "img", "cmd"})
if err != nil {
t.Fatal(err)
}
if hostconfig.ShmSize != 134217728 {
t.Fatalf("Expected a valid ShmSize, got %d", hostconfig.ShmSize)
}
}
func TestParseRestartPolicy(t *testing.T) {
invalids := map[string]string{
"something": "invalid restart policy something",
"always:2": "maximum restart count not valid with restart policy of \"always\"",
"always:2:3": "maximum restart count not valid with restart policy of \"always\"",
"on-failure:invalid": `strconv.ParseInt: parsing "invalid": invalid syntax`,
"on-failure:2:5": "restart count format is not valid, usage: 'on-failure:N' or 'on-failure'",
}
valids := map[string]container.RestartPolicy{
"": {},
"always": {
Name: "always",
MaximumRetryCount: 0,
},
"on-failure:1": {
Name: "on-failure",
MaximumRetryCount: 1,
},
}
for restart, expectedError := range invalids {
if _, _, _, _, err := parseRun([]string{fmt.Sprintf("--restart=%s", restart), "img", "cmd"}); err == nil || err.Error() != expectedError {
t.Fatalf("Expected an error with message '%v' for %v, got %v", expectedError, restart, err)
}
}
for restart, expected := range valids {
_, hostconfig, _, _, err := parseRun([]string{fmt.Sprintf("--restart=%v", restart), "img", "cmd"})
if err != nil {
t.Fatal(err)
}
if hostconfig.RestartPolicy != expected {
t.Fatalf("Expected %v, got %v", expected, hostconfig.RestartPolicy)
}
}
}
func TestParseLoggingOpts(t *testing.T) {
// logging opts ko
if _, _, _, _, err := parseRun([]string{"--log-driver=none", "--log-opt=anything", "img", "cmd"}); err == nil || err.Error() != "Invalid logging opts for driver none" {
t.Fatalf("Expected an error with message 'Invalid logging opts for driver none', got %v", err)
}
// logging opts ok
_, hostconfig, _, _, err := parseRun([]string{"--log-driver=syslog", "--log-opt=something", "img", "cmd"})
if err != nil {
t.Fatal(err)
}
if hostconfig.LogConfig.Type != "syslog" || len(hostconfig.LogConfig.Config) != 1 {
t.Fatalf("Expected a 'syslog' LogConfig with one config, got %v", hostconfig.RestartPolicy)
}
}
func TestParseEnvfileVariables(t *testing.T) {
e := "open nonexistent: no such file or directory"
if runtime.GOOS == "windows" {
e = "open nonexistent: The system cannot find the file specified."
}
// env ko
if _, _, _, _, err := parseRun([]string{"--env-file=nonexistent", "img", "cmd"}); err == nil || err.Error() != e {
t.Fatalf("Expected an error with message '%s', got %v", e, err)
}
// env ok
config, _, _, _, err := parseRun([]string{"--env-file=fixtures/valid.env", "img", "cmd"})
if err != nil {
t.Fatal(err)
}
if len(config.Env) != 1 || config.Env[0] != "ENV1=value1" {
t.Fatalf("Expected a a config with [ENV1=value1], got %v", config.Env)
}
config, _, _, _, err = parseRun([]string{"--env-file=fixtures/valid.env", "--env=ENV2=value2", "img", "cmd"})
if err != nil {
t.Fatal(err)
}
if len(config.Env) != 2 || config.Env[0] != "ENV1=value1" || config.Env[1] != "ENV2=value2" {
t.Fatalf("Expected a a config with [ENV1=value1 ENV2=value2], got %v", config.Env)
}
}
func TestParseLabelfileVariables(t *testing.T) {
e := "open nonexistent: no such file or directory"
if runtime.GOOS == "windows" {
e = "open nonexistent: The system cannot find the file specified."
}
// label ko
if _, _, _, _, err := parseRun([]string{"--label-file=nonexistent", "img", "cmd"}); err == nil || err.Error() != e {
t.Fatalf("Expected an error with message '%s', got %v", e, err)
}
// label ok
config, _, _, _, err := parseRun([]string{"--label-file=fixtures/valid.label", "img", "cmd"})
if err != nil {
t.Fatal(err)
}
if len(config.Labels) != 1 || config.Labels["LABEL1"] != "value1" {
t.Fatalf("Expected a a config with [LABEL1:value1], got %v", config.Labels)
}
config, _, _, _, err = parseRun([]string{"--label-file=fixtures/valid.label", "--label=LABEL2=value2", "img", "cmd"})
if err != nil {
t.Fatal(err)
}
if len(config.Labels) != 2 || config.Labels["LABEL1"] != "value1" || config.Labels["LABEL2"] != "value2" {
t.Fatalf("Expected a a config with [LABEL1:value1 LABEL2:value2], got %v", config.Labels)
}
}
func TestParseEntryPoint(t *testing.T) {
config, _, _, _, err := parseRun([]string{"--entrypoint=anything", "cmd", "img"})
if err != nil {
t.Fatal(err)
}
if config.Entrypoint.Len() != 1 && config.Entrypoint.Slice()[0] != "anything" {
t.Fatalf("Expected entrypoint 'anything', got %v", config.Entrypoint)
}
}
func TestValidateLink(t *testing.T) {
valid := []string{
"name",
"dcdfbe62ecd0:alias",
"7a67485460b7642516a4ad82ecefe7f57d0c4916f530561b71a50a3f9c4e33da",
"angry_torvalds:linus",
}
invalid := map[string]string{
"": "empty string specified for links",
"too:much:of:it": "bad format for links: too:much:of:it",
}
for _, link := range valid {
if _, err := ValidateLink(link); err != nil {
t.Fatalf("ValidateLink(`%q`) should succeed: error %q", link, err)
}
}
for link, expectedError := range invalid {
if _, err := ValidateLink(link); err == nil {
t.Fatalf("ValidateLink(`%q`) should have failed validation", link)
} else {
if !strings.Contains(err.Error(), expectedError) {
t.Fatalf("ValidateLink(`%q`) error should contain %q", link, expectedError)
}
}
}
}
func TestParseLink(t *testing.T) {
name, alias, err := ParseLink("name:alias")
if err != nil {
t.Fatalf("Expected not to error out on a valid name:alias format but got: %v", err)
}
if name != "name" {
t.Fatalf("Link name should have been name, got %s instead", name)
}
if alias != "alias" {
t.Fatalf("Link alias should have been alias, got %s instead", alias)
}
// short format definition
name, alias, err = ParseLink("name")
if err != nil {
t.Fatalf("Expected not to error out on a valid name only format but got: %v", err)
}
if name != "name" {
t.Fatalf("Link name should have been name, got %s instead", name)
}
if alias != "name" {
t.Fatalf("Link alias should have been name, got %s instead", alias)
}
// empty string link definition is not allowed
if _, _, err := ParseLink(""); err == nil || !strings.Contains(err.Error(), "empty string specified for links") {
t.Fatalf("Expected error 'empty string specified for links' but got: %v", err)
}
// more than two colons are not allowed
if _, _, err := ParseLink("link:alias:wrong"); err == nil || !strings.Contains(err.Error(), "bad format for links: link:alias:wrong") {
t.Fatalf("Expected error 'bad format for links: link:alias:wrong' but got: %v", err)
}
}
func TestValidateDevice(t *testing.T) {
valid := []string{
"/home",
"/home:/home",
"/home:/something/else",
"/with space",
"/home:/with space",
"relative:/absolute-path",
"hostPath:/containerPath:r",
"/hostPath:/containerPath:rw",
"/hostPath:/containerPath:mrw",
}
invalid := map[string]string{
"": "bad format for path: ",
"./": "./ is not an absolute path",
"../": "../ is not an absolute path",
"/:../": "../ is not an absolute path",
"/:path": "path is not an absolute path",
":": "bad format for path: :",
"/tmp:": " is not an absolute path",
":test": "bad format for path: :test",
":/test": "bad format for path: :/test",
"tmp:": " is not an absolute path",
":test:": "bad format for path: :test:",
"::": "bad format for path: ::",
":::": "bad format for path: :::",
"/tmp:::": "bad format for path: /tmp:::",
":/tmp::": "bad format for path: :/tmp::",
"path:ro": "ro is not an absolute path",
"path:rr": "rr is not an absolute path",
"a:/b:ro": "bad mode specified: ro",
"a:/b:rr": "bad mode specified: rr",
}
for _, path := range valid {
if _, err := ValidateDevice(path); err != nil {
t.Fatalf("ValidateDevice(`%q`) should succeed: error %q", path, err)
}
}
for path, expectedError := range invalid {
if _, err := ValidateDevice(path); err == nil {
t.Fatalf("ValidateDevice(`%q`) should have failed validation", path)
} else {
if err.Error() != expectedError {
t.Fatalf("ValidateDevice(`%q`) error should contain %q, got %q", path, expectedError, err.Error())
}
}
}
}
func TestVolumeSplitN(t *testing.T) {
for _, x := range []struct {
input string
n int
expected []string
}{
{`C:\foo:d:`, -1, []string{`C:\foo`, `d:`}},
{`:C:\foo:d:`, -1, nil},
{`/foo:/bar:ro`, 3, []string{`/foo`, `/bar`, `ro`}},
{`/foo:/bar:ro`, 2, []string{`/foo`, `/bar:ro`}},
{`C:\foo\:/foo`, -1, []string{`C:\foo\`, `/foo`}},
{`d:\`, -1, []string{`d:\`}},
{`d:`, -1, []string{`d:`}},
{`d:\path`, -1, []string{`d:\path`}},
{`d:\path with space`, -1, []string{`d:\path with space`}},
{`d:\pathandmode:rw`, -1, []string{`d:\pathandmode`, `rw`}},
{`c:\:d:\`, -1, []string{`c:\`, `d:\`}},
{`c:\windows\:d:`, -1, []string{`c:\windows\`, `d:`}},
{`c:\windows:d:\s p a c e`, -1, []string{`c:\windows`, `d:\s p a c e`}},
{`c:\windows:d:\s p a c e:RW`, -1, []string{`c:\windows`, `d:\s p a c e`, `RW`}},
{`c:\program files:d:\s p a c e i n h o s t d i r`, -1, []string{`c:\program files`, `d:\s p a c e i n h o s t d i r`}},
{`0123456789name:d:`, -1, []string{`0123456789name`, `d:`}},
{`MiXeDcAsEnAmE:d:`, -1, []string{`MiXeDcAsEnAmE`, `d:`}},
{`name:D:`, -1, []string{`name`, `D:`}},
{`name:D::rW`, -1, []string{`name`, `D:`, `rW`}},
{`name:D::RW`, -1, []string{`name`, `D:`, `RW`}},
{`c:/:d:/forward/slashes/are/good/too`, -1, []string{`c:/`, `d:/forward/slashes/are/good/too`}},
{`c:\Windows`, -1, []string{`c:\Windows`}},
{`c:\Program Files (x86)`, -1, []string{`c:\Program Files (x86)`}},
{``, -1, nil},
{`.`, -1, []string{`.`}},
{`..\`, -1, []string{`..\`}},
{`c:\:..\`, -1, []string{`c:\`, `..\`}},
{`c:\:d:\:xyzzy`, -1, []string{`c:\`, `d:\`, `xyzzy`}},
} {
res := volumeSplitN(x.input, x.n)
if len(res) < len(x.expected) {
t.Fatalf("input: %v, expected: %v, got: %v", x.input, x.expected, res)
}
for i, e := range res {
if e != x.expected[i] {
t.Fatalf("input: %v, expected: %v, got: %v", x.input, x.expected, res)
}
}
}
}