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package dockerui
import (
"encoding/csv"
"net"
"strconv"
"strings"
"time"
"github.com/containerd/containerd/platforms"
"github.com/docker/go-units"
"github.com/moby/buildkit/client/llb"
"github.com/moby/buildkit/solver/pb"
ocispecs "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/pkg/errors"
)
func parsePlatforms(v string) ([]ocispecs.Platform, error) {
var pp []ocispecs.Platform
for _, v := range strings.Split(v, ",") {
p, err := platforms.Parse(v)
if err != nil {
return nil, errors.Wrapf(err, "failed to parse target platform %s", v)
}
pp = append(pp, platforms.Normalize(p))
}
return pp, nil
}
func parseResolveMode(v string) (llb.ResolveMode, error) {
switch v {
case pb.AttrImageResolveModeDefault, "":
return llb.ResolveModeDefault, nil
case pb.AttrImageResolveModeForcePull:
return llb.ResolveModeForcePull, nil
case pb.AttrImageResolveModePreferLocal:
return llb.ResolveModePreferLocal, nil
default:
return 0, errors.Errorf("invalid image-resolve-mode: %s", v)
}
}
func parseExtraHosts(v string) ([]llb.HostIP, error) {
if v == "" {
return nil, nil
}
out := make([]llb.HostIP, 0)
csvReader := csv.NewReader(strings.NewReader(v))
fields, err := csvReader.Read()
if err != nil {
return nil, err
}
for _, field := range fields {
key, val, ok := strings.Cut(strings.ToLower(field), "=")
if !ok {
return nil, errors.Errorf("invalid key-value pair %s", field)
}
ip := net.ParseIP(val)
if ip == nil {
return nil, errors.Errorf("failed to parse IP %s", val)
}
out = append(out, llb.HostIP{Host: key, IP: ip})
}
return out, nil
}
func parseShmSize(v string) (int64, error) {
if len(v) == 0 {
return 0, nil
}
kb, err := strconv.ParseInt(v, 10, 64)
if err != nil {
return 0, err
}
return kb, nil
}
func parseUlimits(v string) ([]pb.Ulimit, error) {
if v == "" {
return nil, nil
}
out := make([]pb.Ulimit, 0)
csvReader := csv.NewReader(strings.NewReader(v))
fields, err := csvReader.Read()
if err != nil {
return nil, err
}
for _, field := range fields {
ulimit, err := units.ParseUlimit(field)
if err != nil {
return nil, err
}
out = append(out, pb.Ulimit{
Name: ulimit.Name,
Soft: ulimit.Soft,
Hard: ulimit.Hard,
})
}
return out, nil
}
func parseNetMode(v string) (pb.NetMode, error) {
if v == "" {
return llb.NetModeSandbox, nil
}
switch v {
case "none":
return llb.NetModeNone, nil
case "host":
return llb.NetModeHost, nil
case "sandbox":
return llb.NetModeSandbox, nil
default:
return 0, errors.Errorf("invalid netmode %s", v)
}
}
func parseSourceDateEpoch(v string) (*time.Time, error) {
if v == "" {
return nil, nil
}
sde, err := strconv.ParseInt(v, 10, 64)
if err != nil {
return nil, errors.Wrapf(err, "invalid SOURCE_DATE_EPOCH: %s", v)
}
tm := time.Unix(sde, 0).UTC()
return &tm, nil
}
func filter(opt map[string]string, key string) map[string]string {
m := map[string]string{}
for k, v := range opt {
if strings.HasPrefix(k, key) {
m[strings.TrimPrefix(k, key)] = v
}
}
return m
}
|
