mirror of https://github.com/docker/compose.git
136 lines
3.8 KiB
Go
136 lines
3.8 KiB
Go
/*
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Copyright 2020 Docker, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package convert
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import (
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"fmt"
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"net/url"
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"strings"
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"github.com/pkg/errors"
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"github.com/compose-spec/compose-go/types"
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"github.com/docker/api/errdefs"
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)
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// GetRunVolumes return volume configurations for a project and a single service
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// this is meant to be used as a compose project of a single service
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func GetRunVolumes(volumes []string) (map[string]types.VolumeConfig, []types.ServiceVolumeConfig, error) {
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var serviceConfigVolumes []types.ServiceVolumeConfig
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projectVolumes := make(map[string]types.VolumeConfig, len(volumes))
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for i, v := range volumes {
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var vi volumeInput
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err := vi.parse(fmt.Sprintf("volume-%d", i), v)
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if err != nil {
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return nil, nil, err
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}
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projectVolumes[vi.name] = types.VolumeConfig{
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Name: vi.name,
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Driver: azureFileDriverName,
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DriverOpts: map[string]string{
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volumeDriveroptsAccountNameKey: vi.username,
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volumeDriveroptsAccountKeyKey: vi.key,
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volumeDriveroptsShareNameKey: vi.share,
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},
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}
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sv := types.ServiceVolumeConfig{
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Type: azureFileDriverName,
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Source: vi.name,
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Target: vi.target,
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}
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serviceConfigVolumes = append(serviceConfigVolumes, sv)
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}
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return projectVolumes, serviceConfigVolumes, nil
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}
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type volumeInput struct {
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name string
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username string
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key string
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share string
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target string
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}
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func escapeKeySlashes(rawURL string) (string, error) {
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urlSplit := strings.Split(rawURL, "@")
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if len(urlSplit) < 1 {
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return "", fmt.Errorf("invalid URL format: %s", rawURL)
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}
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userPasswd := strings.ReplaceAll(urlSplit[0], "/", "_")
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atIndex := strings.Index(rawURL, "@")
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if atIndex < 0 {
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return "", fmt.Errorf("no share specified in: %s", rawURL)
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}
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scaped := userPasswd + rawURL[atIndex:]
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return scaped, nil
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}
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func unescapeKey(key string) string {
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return strings.ReplaceAll(key, "_", "/")
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}
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// Removes the second ':' that separates the source from target
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func volumeURL(pathURL string) (*url.URL, error) {
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scapedURL, err := escapeKeySlashes(pathURL)
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if err != nil {
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return nil, err
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}
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pathURL = "//" + scapedURL
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count := strings.Count(pathURL, ":")
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if count > 2 {
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return nil, fmt.Errorf("invalid path URL: %s", pathURL)
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}
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if count == 2 {
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tokens := strings.Split(pathURL, ":")
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pathURL = fmt.Sprintf("%s:%s%s", tokens[0], tokens[1], tokens[2])
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}
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return url.Parse(pathURL)
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}
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func (v *volumeInput) parse(name string, s string) error {
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volumeURL, err := volumeURL(s)
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if err != nil {
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return errors.Wrapf(errdefs.ErrParsingFailed, "unable to parse volume specification: %s", err.Error())
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}
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v.username = volumeURL.User.Username()
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if v.username == "" {
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return errors.Wrapf(errdefs.ErrParsingFailed, "volume specification %q does not include a storage username", v)
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}
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key, ok := volumeURL.User.Password()
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if !ok || key == "" {
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return errors.Wrapf(errdefs.ErrParsingFailed, "volume specification %q does not include a storage key", v)
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}
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v.key = unescapeKey(key)
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v.share = volumeURL.Host
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if v.share == "" {
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return errors.Wrapf(errdefs.ErrParsingFailed, "volume specification %q does not include a storage file share", v)
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}
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v.name = name
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v.target = volumeURL.Path
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if v.target == "" {
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// Do not use filepath.Join, on Windows it will replace / by \
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v.target = "/run/volumes/" + v.share
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}
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return nil
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}
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