Adding parsing functionality for various specific create/run options

Signed-off-by: umohnani8 <umohnani@redhat.com>
This commit is contained in:
umohnani8 2017-10-11 13:23:49 -04:00
parent fb3f5b6b9a
commit 13d8338c68
3 changed files with 966 additions and 142 deletions

View file

@ -3,12 +3,12 @@ package main
import (
"fmt"
"strings"
spec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/pkg/errors"
"github.com/urfave/cli"
pb "k8s.io/kubernetes/pkg/kubelet/apis/cri/v1alpha1/runtime"
"strings"
)
type createResourceConfig struct {
@ -174,7 +174,7 @@ func parseCreateOpts(c *cli.Context) (*createConfig, error) {
}
if len(c.StringSlice("env")) > 0 {
for _, inputEnv := range(c.StringSlice("env")) {
for _, inputEnv := range c.StringSlice("env") {
env = append(env, inputEnv)
}
} else {
@ -182,7 +182,7 @@ func parseCreateOpts(c *cli.Context) (*createConfig, error) {
}
if len(c.StringSlice("sysctl")) > 0 {
for _, inputSysctl := range(c.StringSlice("sysctl")) {
for _, inputSysctl := range c.StringSlice("sysctl") {
values := strings.Split(inputSysctl, "=")
sysctl[values[0]] = values[1]
}
@ -278,13 +278,10 @@ func createConfigToOCISpec(config *createConfig) (*spec.Spec, error) {
Version: "1.0.0.0", // where do I get this?
Process: &spec.Process{
Terminal: config.tty,
User: spec.User{
},
User: spec.User{},
Args: config.command,
Env: config.env,
Capabilities: &spec.LinuxCapabilities{
},
Capabilities: &spec.LinuxCapabilities{},
},
Root: &spec.Root{
Readonly: config.readOnlyRootfs,
@ -298,13 +295,11 @@ func createConfigToOCISpec(config *createConfig) (*spec.Spec, error) {
// GIDMappings
Sysctl: config.sysctl,
Resources: &spec.LinuxResources{
Devices: spec.LinuxDeviceCgroup,
// Devices: spec.LinuxDeviceCgroup,
},
},
}
return spec, errors.Errorf("NOT IMPLEMENTED")
}

661
cmd/kpod/parse.go Normal file
View file

@ -0,0 +1,661 @@
package main
import (
"bufio"
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"net"
"os"
"path"
"regexp"
"strconv"
"strings"
"github.com/pkg/errors"
pb "k8s.io/kubernetes/pkg/kubelet/apis/cri/v1alpha1/runtime"
)
var (
whiteSpaces = " \t"
alphaRegexp = regexp.MustCompile(`[a-zA-Z]`)
domainRegexp = regexp.MustCompile(`^(:?(:?[a-zA-Z0-9]|(:?[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9]))(:?\.(:?[a-zA-Z0-9]|(:?[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])))*)\.?\s*$`)
)
// validateMACAddress validates a MAC address.
func validateMACAddress(val string) (string, error) {
_, err := net.ParseMAC(strings.TrimSpace(val))
if err != nil {
return "", err
}
return val, nil
}
// validateLink validates that the specified string has a valid link format (containerName:alias).
func validateLink(val string) (string, error) {
if _, _, err := parseLink(val); err != nil {
return val, err
}
return val, nil
}
// validDeviceMode checks if the mode for device is valid or not.
// Valid mode is a composition of r (read), w (write), and m (mknod).
func validDeviceMode(mode string) bool {
var legalDeviceMode = map[rune]bool{
'r': true,
'w': true,
'm': true,
}
if mode == "" {
return false
}
for _, c := range mode {
if !legalDeviceMode[c] {
return false
}
legalDeviceMode[c] = false
}
return true
}
// validateDevice validates a path for devices
// It will make sure 'val' is in the form:
// [host-dir:]container-path[:mode]
// It also validates the device mode.
func validateDevice(val string) (string, error) {
return validatePath(val, validDeviceMode)
}
func validatePath(val string, validator func(string) bool) (string, error) {
var containerPath string
var mode string
if strings.Count(val, ":") > 2 {
return val, fmt.Errorf("bad format for path: %s", val)
}
split := strings.SplitN(val, ":", 3)
if split[0] == "" {
return val, fmt.Errorf("bad format for path: %s", val)
}
switch len(split) {
case 1:
containerPath = split[0]
val = path.Clean(containerPath)
case 2:
if isValid := validator(split[1]); isValid {
containerPath = split[0]
mode = split[1]
val = fmt.Sprintf("%s:%s", path.Clean(containerPath), mode)
} else {
containerPath = split[1]
val = fmt.Sprintf("%s:%s", split[0], path.Clean(containerPath))
}
case 3:
containerPath = split[1]
mode = split[2]
if isValid := validator(split[2]); !isValid {
return val, fmt.Errorf("bad mode specified: %s", mode)
}
val = fmt.Sprintf("%s:%s:%s", split[0], containerPath, mode)
}
if !path.IsAbs(containerPath) {
return val, fmt.Errorf("%s is not an absolute path", containerPath)
}
return val, nil
}
func validateProto(proto string) bool {
for _, availableProto := range []string{"tcp", "udp"} {
if availableProto == proto {
return true
}
}
return false
}
// validateAttach validates that the specified string is a valid attach option.
func validateAttach(val string) (string, error) {
s := strings.ToLower(val)
for _, str := range []string{"stdin", "stdout", "stderr"} {
if s == str {
return s, nil
}
}
return val, fmt.Errorf("valid streams are STDIN, STDOUT and STDERR")
}
// validateEnv validates an environment variable and returns it.
// If no value is specified, it returns the current value using os.Getenv.
//
// As on ParseEnvFile and related to #16585, environment variable names
// are not validate what so ever, it's up to application inside docker
// to validate them or not.
func validateEnv(val string) (string, error) {
arr := strings.Split(val, "=")
if len(arr) > 1 {
return val, nil
}
if !doesEnvExist(val) {
return val, nil
}
return fmt.Sprintf("%s=%s", val, os.Getenv(val)), nil
}
func doesEnvExist(name string) bool {
for _, entry := range os.Environ() {
parts := strings.SplitN(entry, "=", 2)
if parts[0] == name {
return true
}
}
return false
}
// validateExtraHost validates that the specified string is a valid extrahost and returns it.
// ExtraHost is in the form of name:ip where the ip has to be a valid ip (ipv4 or ipv6).
func validateExtraHost(val string) (string, error) {
// allow for IPv6 addresses in extra hosts by only splitting on first ":"
arr := strings.SplitN(val, ":", 2)
if len(arr) != 2 || len(arr[0]) == 0 {
return "", fmt.Errorf("bad format for add-host: %q", val)
}
if _, err := validateIPAddress(arr[1]); err != nil {
return "", fmt.Errorf("invalid IP address in add-host: %q", arr[1])
}
return val, nil
}
// validateIPAddress validates an Ip address.
func validateIPAddress(val string) (string, error) {
var ip = net.ParseIP(strings.TrimSpace(val))
if ip != nil {
return ip.String(), nil
}
return "", fmt.Errorf("%s is not an ip address", val)
}
// validateDNSSearch validates domain for resolvconf search configuration.
// A zero length domain is represented by a dot (.).
func validateDNSSearch(val string) (string, error) {
if val = strings.Trim(val, " "); val == "." {
return val, nil
}
return validateDomain(val)
}
func validateDomain(val string) (string, error) {
if alphaRegexp.FindString(val) == "" {
return "", fmt.Errorf("%s is not a valid domain", val)
}
ns := domainRegexp.FindSubmatch([]byte(val))
if len(ns) > 0 && len(ns[1]) < 255 {
return string(ns[1]), nil
}
return "", fmt.Errorf("%s is not a valid domain", val)
}
// validateLabel validates that the specified string is a valid label, and returns it.
// Labels are in the form on key=value.
func validateLabel(val string) (string, error) {
if strings.Count(val, "=") < 1 {
return "", fmt.Errorf("bad attribute format: %s", val)
}
return val, nil
}
// parseDevice parses a device mapping string to a container.DeviceMapping struct
func parseDevice(device string) (*pb.Device, error) {
src := ""
dst := ""
permissions := "rwm"
arr := strings.Split(device, ":")
switch len(arr) {
case 3:
permissions = arr[2]
fallthrough
case 2:
if validDeviceMode(arr[1]) {
permissions = arr[1]
} else {
dst = arr[1]
}
fallthrough
case 1:
src = arr[0]
default:
return nil, fmt.Errorf("invalid device specification: %s", device)
}
if dst == "" {
dst = src
}
deviceMapping := &pb.Device{
ContainerPath: dst,
HostPath: src,
Permissions: permissions,
}
return deviceMapping, nil
}
// parseEnvFile reads a file with environment variables enumerated by lines
//
// ``Environment variable names used by the utilities in the Shell and
// Utilities volume of IEEE Std 1003.1-2001 consist solely of uppercase
// letters, digits, and the '_' (underscore) from the characters defined in
// Portable Character Set and do not begin with a digit. *But*, other
// characters may be permitted by an implementation; applications shall
// tolerate the presence of such names.''
// -- http://pubs.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap08.html
//
// As of #16585, it's up to application inside docker to validate or not
// environment variables, that's why we just strip leading whitespace and
// nothing more.
func parseEnvFile(filename string) ([]string, error) {
fh, err := os.Open(filename)
if err != nil {
return []string{}, err
}
defer fh.Close()
lines := []string{}
scanner := bufio.NewScanner(fh)
for scanner.Scan() {
// trim the line from all leading whitespace first
line := strings.TrimLeft(scanner.Text(), whiteSpaces)
// line is not empty, and not starting with '#'
if len(line) > 0 && !strings.HasPrefix(line, "#") {
data := strings.SplitN(line, "=", 2)
// trim the front of a variable, but nothing else
variable := strings.TrimLeft(data[0], whiteSpaces)
if strings.ContainsAny(variable, whiteSpaces) {
return []string{}, errors.Errorf("variable %q has white spaces, poorly formatted environment", variable)
}
if len(data) > 1 {
// pass the value through, no trimming
lines = append(lines, fmt.Sprintf("%s=%s", variable, data[1]))
} else {
// if only a pass-through variable is given, clean it up.
lines = append(lines, fmt.Sprintf("%s=%s", strings.TrimSpace(line), os.Getenv(line)))
}
}
}
return lines, scanner.Err()
}
// parseLink parses and validates the specified string as a link format (name:alias)
func parseLink(val string) (string, string, error) {
if val == "" {
return "", "", fmt.Errorf("empty string specified for links")
}
arr := strings.Split(val, ":")
if len(arr) > 2 {
return "", "", fmt.Errorf("bad format for links: %s", val)
}
if len(arr) == 1 {
return val, val, nil
}
// This is kept because we can actually get a HostConfig with links
// from an already created container and the format is not `foo:bar`
// but `/foo:/c1/bar`
if strings.HasPrefix(arr[0], "/") {
_, alias := path.Split(arr[1])
return arr[0][1:], alias, nil
}
return arr[0], arr[1], nil
}
func parseLoggingOpts(logDriver string, logDriverOpt []string) (map[string]string, error) {
logOptsMap := convertKVStringsToMap(logDriverOpt)
if logDriver == "none" && len(logDriverOpt) > 0 {
return map[string]string{}, errors.Errorf("invalid logging opts for driver %s", logDriver)
}
return logOptsMap, nil
}
// takes a local seccomp daemon, reads the file contents for sending to the daemon
func parseSecurityOpts(securityOpts []string) ([]string, error) {
for key, opt := range securityOpts {
con := strings.SplitN(opt, "=", 2)
if len(con) == 1 && con[0] != "no-new-privileges" {
if strings.Index(opt, ":") != -1 {
con = strings.SplitN(opt, ":", 2)
} else {
return securityOpts, fmt.Errorf("Invalid --security-opt: %q", opt)
}
}
if con[0] == "seccomp" && con[1] != "unconfined" {
f, err := ioutil.ReadFile(con[1])
if err != nil {
return securityOpts, fmt.Errorf("opening seccomp profile (%s) failed: %v", con[1], err)
}
b := bytes.NewBuffer(nil)
if err := json.Compact(b, f); err != nil {
return securityOpts, fmt.Errorf("compacting json for seccomp profile (%s) failed: %v", con[1], err)
}
securityOpts[key] = fmt.Sprintf("seccomp=%s", b.Bytes())
}
}
return securityOpts, nil
}
// parses storage options per container into a map
func parseStorageOpts(storageOpts []string) (map[string]string, error) {
m := make(map[string]string)
for _, option := range storageOpts {
if strings.Contains(option, "=") {
opt := strings.SplitN(option, "=", 2)
m[opt[0]] = opt[1]
} else {
return nil, errors.Errorf("invalid storage option %q", option)
}
}
return m, nil
}
// parsePortSpecs receives port specs in the format of ip:public:private/proto and parses
// these in to the internal types
func parsePortSpecs(ports []string) ([]*pb.PortMapping, error) {
var portMappings []*pb.PortMapping
for _, rawPort := range ports {
portMapping, err := parsePortSpec(rawPort)
if err != nil {
return nil, err
}
portMappings = append(portMappings, portMapping...)
}
return portMappings, nil
}
// parsePortSpec parses a port specification string into a slice of PortMappings
func parsePortSpec(rawPort string) ([]*pb.PortMapping, error) {
var proto string
rawIP, hostPort, containerPort := splitParts(rawPort)
proto, containerPort = splitProtoPort(containerPort)
// Strip [] from IPV6 addresses
ip, _, err := net.SplitHostPort(rawIP + ":")
if err != nil {
return nil, fmt.Errorf("Invalid ip address %v: %s", rawIP, err)
}
if ip != "" && net.ParseIP(ip) == nil {
return nil, fmt.Errorf("Invalid ip address: %s", ip)
}
if containerPort == "" {
return nil, fmt.Errorf("No port specified: %s<empty>", rawPort)
}
startPort, endPort, err := parsePortRange(containerPort)
if err != nil {
return nil, fmt.Errorf("Invalid containerPort: %s", containerPort)
}
var startHostPort, endHostPort uint64 = 0, 0
if len(hostPort) > 0 {
startHostPort, endHostPort, err = parsePortRange(hostPort)
if err != nil {
return nil, fmt.Errorf("Invalid hostPort: %s", hostPort)
}
}
if hostPort != "" && (endPort-startPort) != (endHostPort-startHostPort) {
// Allow host port range iff containerPort is not a range.
// In this case, use the host port range as the dynamic
// host port range to allocate into.
if endPort != startPort {
return nil, fmt.Errorf("Invalid ranges specified for container and host Ports: %s and %s", containerPort, hostPort)
}
}
if !validateProto(strings.ToLower(proto)) {
return nil, fmt.Errorf("invalid proto: %s", proto)
}
protocol := pb.Protocol_TCP
if strings.ToLower(proto) == "udp" {
protocol = pb.Protocol_UDP
}
var ports []*pb.PortMapping
for i := uint64(0); i <= (endPort - startPort); i++ {
containerPort = strconv.FormatUint(startPort+i, 10)
if len(hostPort) > 0 {
hostPort = strconv.FormatUint(startHostPort+i, 10)
}
// Set hostPort to a range only if there is a single container port
// and a dynamic host port.
if startPort == endPort && startHostPort != endHostPort {
hostPort = fmt.Sprintf("%s-%s", hostPort, strconv.FormatUint(endHostPort, 10))
}
ctrPort, err := strconv.ParseInt(containerPort, 10, 32)
if err != nil {
return nil, err
}
hPort, err := strconv.ParseInt(hostPort, 10, 32)
if err != nil {
return nil, err
}
port := &pb.PortMapping{
Protocol: protocol,
ContainerPort: int32(ctrPort),
HostPort: int32(hPort),
HostIp: ip,
}
ports = append(ports, port)
}
return ports, nil
}
// parsePortRange parses and validates the specified string as a port-range (8000-9000)
func parsePortRange(ports string) (uint64, uint64, error) {
if ports == "" {
return 0, 0, fmt.Errorf("empty string specified for ports")
}
if !strings.Contains(ports, "-") {
start, err := strconv.ParseUint(ports, 10, 16)
end := start
return start, end, err
}
parts := strings.Split(ports, "-")
start, err := strconv.ParseUint(parts[0], 10, 16)
if err != nil {
return 0, 0, err
}
end, err := strconv.ParseUint(parts[1], 10, 16)
if err != nil {
return 0, 0, err
}
if end < start {
return 0, 0, fmt.Errorf("Invalid range specified for the Port: %s", ports)
}
return start, end, nil
}
// splitParts separates the different parts of rawPort
func splitParts(rawport string) (string, string, string) {
parts := strings.Split(rawport, ":")
n := len(parts)
containerport := parts[n-1]
switch n {
case 1:
return "", "", containerport
case 2:
return "", parts[0], containerport
case 3:
return parts[0], parts[1], containerport
default:
return strings.Join(parts[:n-2], ":"), parts[n-2], containerport
}
}
// splitProtoPort splits a port in the format of port/proto
func splitProtoPort(rawPort string) (string, string) {
parts := strings.Split(rawPort, "/")
l := len(parts)
if len(rawPort) == 0 || l == 0 || len(parts[0]) == 0 {
return "", ""
}
if l == 1 {
return "tcp", rawPort
}
if len(parts[1]) == 0 {
return "tcp", parts[0]
}
return parts[1], parts[0]
}
// reads a file of line terminated key=value pairs, and overrides any keys
// present in the file with additional pairs specified in the override parameter
func readKVStrings(files []string, override []string) ([]string, error) {
envVariables := []string{}
for _, ef := range files {
parsedVars, err := parseEnvFile(ef)
if err != nil {
return nil, err
}
envVariables = append(envVariables, parsedVars...)
}
// parse the '-e' and '--env' after, to allow override
envVariables = append(envVariables, override...)
return envVariables, nil
}
// convertKVStringsToMap converts ["key=value"] to {"key":"value"}
func convertKVStringsToMap(values []string) map[string]string {
result := make(map[string]string, len(values))
for _, value := range values {
kv := strings.SplitN(value, "=", 2)
if len(kv) == 1 {
result[kv[0]] = ""
} else {
result[kv[0]] = kv[1]
}
}
return result
}
// NsIpc represents the container ipc stack.
type NsIpc string
// IsPrivate indicates whether the container uses its private ipc stack.
func (n NsIpc) IsPrivate() bool {
return !(n.IsHost() || n.IsContainer())
}
// IsHost indicates whether the container uses the host's ipc stack.
func (n NsIpc) IsHost() bool {
return n == "host"
}
// IsContainer indicates whether the container uses a container's ipc stack.
func (n NsIpc) IsContainer() bool {
parts := strings.SplitN(string(n), ":", 2)
return len(parts) > 1 && parts[0] == "container"
}
// Valid indicates whether the ipc stack is valid.
func (n NsIpc) Valid() bool {
parts := strings.Split(string(n), ":")
switch mode := parts[0]; mode {
case "", "host":
case "container":
if len(parts) != 2 || parts[1] == "" {
return false
}
default:
return false
}
return true
}
// Container returns the name of the container ipc stack is going to be used.
func (n NsIpc) Container() string {
parts := strings.SplitN(string(n), ":", 2)
if len(parts) > 1 {
return parts[1]
}
return ""
}
// NsUser represents userns mode in the container.
type NsUser string
// IsHost indicates whether the container uses the host's userns.
func (n NsUser) IsHost() bool {
return n == "host"
}
// IsPrivate indicates whether the container uses the a private userns.
func (n NsUser) IsPrivate() bool {
return !(n.IsHost())
}
// Valid indicates whether the userns is valid.
func (n NsUser) Valid() bool {
parts := strings.Split(string(n), ":")
switch mode := parts[0]; mode {
case "", "host":
default:
return false
}
return true
}
// NsPid represents the pid namespace of the container.
type NsPid string
// IsPrivate indicates whether the container uses its own new pid namespace.
func (n NsPid) IsPrivate() bool {
return !(n.IsHost() || n.IsContainer())
}
// IsHost indicates whether the container uses the host's pid namespace.
func (n NsPid) IsHost() bool {
return n == "host"
}
// IsContainer indicates whether the container uses a container's pid namespace.
func (n NsPid) IsContainer() bool {
parts := strings.SplitN(string(n), ":", 2)
return len(parts) > 1 && parts[0] == "container"
}
// Valid indicates whether the pid namespace is valid.
func (n NsPid) Valid() bool {
parts := strings.Split(string(n), ":")
switch mode := parts[0]; mode {
case "", "host":
case "container":
if len(parts) != 2 || parts[1] == "" {
return false
}
default:
return false
}
return true
}
// Container returns the name of the container whose pid namespace is going to be used.
func (n NsPid) Container() string {
parts := strings.SplitN(string(n), ":", 2)
if len(parts) > 1 {
return parts[1]
}
return ""
}

168
cmd/kpod/parse_test.go Normal file
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@ -0,0 +1,168 @@
package main
import (
"fmt"
"testing"
)
func TestValidateMACAddress(t *testing.T) {
addresses := []string{"01:23:45:67:89:ab",
"01:23:45:67:89:ab:cd:ef",
"01:23:45:67:89:ab:cd:ef:00:00:01:23:45:67:89:ab:cd:ef:00:00",
"01-23-45-67-89-ab",
"01-23-45-67-89-ab-cd-ef",
"01-23-45-67-89-ab-cd-ef-00-00-01-23-45-67-89-ab-cd-ef-00-00",
"0123.4567.89ab",
"0123.4567.89ab.cdef",
"0123.4567.89ab.cdef.0000.0123.4567.89ab.cdef.0000"}
for _, addr := range addresses {
_, err := validateMACAddress(addr)
if err != nil {
t.Fatalf("invalid mac address %q", addr)
}
}
// test invalid mac address
invalidAddr := "567:78hy:uthg"
_, err := validateMACAddress(invalidAddr)
if err == nil {
t.Fatalf("should have returned an error. %q is not a valid mac address", invalidAddr)
}
}
func TestValidateLink(t *testing.T) {
validLink := "containerName:alias"
_, err := validateLink(validLink)
if err != nil {
t.Fatalf("%q is a valid link, but error returned", validLink)
}
invalidLinks := []string{"container:alias1:alias2", ""}
for _, link := range invalidLinks {
_, err := validateLink(link)
if err == nil {
t.Fatalf("should be invalid link %q, but err=nil", link)
}
}
}
func TestValidDeviceMode(t *testing.T) {
validModes := []string{"r", "w", "m"}
for _, mode := range validModes {
valid := validDeviceMode(mode)
if !valid {
t.Fatalf("should be a valid mode %q", mode)
}
}
invalidModes := []string{"", "a", "b", "blah"}
for _, mode := range invalidModes {
valid := validDeviceMode(mode)
if valid {
t.Fatalf("should be an invalid mode %q", mode)
}
}
}
func TestValidateDevice(t *testing.T) {
validDevices := []string{"host-dir:/containerPath:w",
"host:/containerPath:r",
"host:/containerPath:m",
"/containerPath",
"/containerPath:r"}
for _, dev := range validDevices {
_, err := validateDevice(dev)
if err != nil {
fmt.Println(err)
t.Fatalf("%q should be a valid device, got invalid", dev)
}
}
invalidDevices := []string{"host:/containerPath:h",
"containerPath:r",
"/containerPath:b",
"containerPath",
""}
for _, dev := range invalidDevices {
_, err := validateDevice(dev)
if err == nil {
fmt.Println(err)
t.Fatalf("%q should be invalid device, got valid", dev)
}
}
}
func TestParseLoggingOpts(t *testing.T) {
for _, validOpts := range []struct {
logDriver string
logDriverOpts []string
}{
{
logDriver: "testDriver",
logDriverOpts: []string{"key1=value1, key2=value2"},
},
{
logDriver: "testDriver",
},
{
logDriver: "",
},
} {
_, err := parseLoggingOpts(validOpts.logDriver, validOpts.logDriverOpts)
if err != nil {
t.Fatalf("expected valid logging options, got invalid %q", validOpts)
}
}
for _, invalidOpts := range []struct {
logDriver string
logDriverOpts []string
}{
{
logDriver: "none",
logDriverOpts: []string{"key1=value1, key2=value2"},
},
} {
_, err := parseLoggingOpts(invalidOpts.logDriver, invalidOpts.logDriverOpts)
if err == nil {
t.Fatalf("expected valid logging options, got invalid %q", invalidOpts)
}
}
}
func TestParseStorageOpts(t *testing.T) {
validStorageOpts := []string{"key1=value1", "key2=value2"}
_, err := parseStorageOpts(validStorageOpts)
if err != nil {
t.Fatalf("expected valid storage opts, got invalid instead %q", validStorageOpts)
}
invalidStorageOpts := []string{"", "onlyKey", "onlyValue"}
_, err = parseStorageOpts(invalidStorageOpts)
if err == nil {
t.Fatalf("expected invalid storage opts, got valid instead %q", invalidStorageOpts)
}
}
func TestParsePortSpecs(t *testing.T) {
validPorts := []string{"123.125.234.123:8888:8888",
"123.125.234.123:8888:8888/udp",
"123.125.234.123:8888:8888/tcp",
"123.125.234.123:8888-8900:8888-8900"}
_, err := parsePortSpecs(validPorts)
if err != nil {
t.Fatalf("expected valid port, got invalid instead %v", err)
}
invalidPorts := []string{"12.123.124.123.125:8000:8000",
"276.567.897.653:8000:8000",
"567:546:3455:8000:7896",
"123.124.125.134:8000:9000/blah",
""}
_, err = parsePortSpecs(invalidPorts)
if err == nil {
t.Fatalf("expected invalid port, got valid instead %v", err)
}
}