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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| // Copyright 2018 CoreOS Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package cli | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
| "time" | ||
|
|
||
| "github.com/coreos/torcx/internal/torcx" | ||
| "github.com/pkg/errors" | ||
| "github.com/sirupsen/logrus" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| var ( | ||
| cmdProfilePopulate = &cobra.Command{ | ||
| Use: "populate", | ||
| Short: "Populates the store with all image required by the given profile", | ||
| RunE: runProfilePopulate, | ||
| } | ||
|
|
||
| flagProfilePopulateName string | ||
| flagProfilePopulatePath string | ||
| flagProfilePopulateOsVersion string | ||
|
|
||
| // TODO(lucab): consider whether to make this configurable | ||
| timeoutMins = 1 | ||
| ) | ||
|
|
||
| func init() { | ||
| cmdProfile.AddCommand(cmdProfilePopulate) | ||
| cmdProfilePopulate.Flags().StringVar(&flagProfilePopulateName, "name", "", "profile name to populate") | ||
| cmdProfilePopulate.Flags().StringVar(&flagProfilePopulatePath, "file", "", "profile file to populate") | ||
| cmdProfilePopulate.Flags().StringVarP(&flagProfilePopulateOsVersion, "os-release", "n", "", "override OS version") | ||
| } | ||
|
|
||
| func runProfilePopulate(cmd *cobra.Command, args []string) error { | ||
| commonCfg, err := fillCommonRuntime(flagProfilePopulateOsVersion) | ||
| if err != nil { | ||
| return errors.Wrap(err, "common configuration failed") | ||
| } | ||
|
|
||
| if len(args) != 0 { | ||
| return cmd.Usage() | ||
| } | ||
|
|
||
| if flagProfilePopulatePath == "" { | ||
| if flagProfilePopulateName == "" { | ||
| flagProfilePopulateName, err = commonCfg.NextProfileName() | ||
| if err != nil { | ||
| return errors.Wrapf(err, "unable to determine next profile") | ||
| } | ||
|
|
||
| logrus.Infof("using next profile %q", flagProfilePopulateName) | ||
|
|
||
| if flagProfilePopulateName == torcx.VendorProfileName { | ||
| logrus.Warn("using default profile (%s), which should not require external images", torcx.VendorProfileName) | ||
| } | ||
| } | ||
|
|
||
| localProfiles, err := torcx.ListProfiles(commonCfg.ProfileDirs()) | ||
| if err != nil { | ||
| return errors.Wrap(err, "profiles listing failed") | ||
| } | ||
|
|
||
| var ok bool | ||
| flagProfilePopulatePath, ok = localProfiles[flagProfilePopulateName] | ||
|
|
||
| if !ok { | ||
| return fmt.Errorf("profile %q not found", flagProfilePopulateName) | ||
| } | ||
| } | ||
|
|
||
| profile, err := torcx.ReadProfilePath(flagProfilePopulatePath) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // Empty profiles are allowed | ||
| if len(profile) == 0 { | ||
| logrus.Warn("profile specifies no images") | ||
| return nil | ||
| } | ||
|
|
||
| storeCache, err := torcx.NewStoreCache(commonCfg.StorePaths) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| remotes := []string{} | ||
| { | ||
| keys := map[string]bool{} | ||
| for _, im := range profile { | ||
| if im.Remote == "" { | ||
| continue | ||
| } | ||
| if ok := keys[im.Remote]; ok { | ||
| continue | ||
| } | ||
| remotes = append(remotes, im.Remote) | ||
| keys[im.Remote] = true | ||
| } | ||
| } | ||
|
|
||
| // Nothing to fetch | ||
| if len(remotes) <= 0 { | ||
| logrus.Warn("profile references no remote images") | ||
| return nil | ||
| } | ||
|
|
||
| ctx, cancel := context.WithTimeout(context.Background(), time.Duration(timeoutMins)*time.Minute) | ||
| defer cancel() | ||
| remotesCache, err := torcx.NewRemotesCache(ctx, commonCfg.UsrDir, commonCfg.RemotesDirs(), remotes) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| versionedStorePath := commonCfg.UserStorePath(flagProfilePopulateOsVersion) | ||
| if err := os.MkdirAll(versionedStorePath, 0755); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| localCount := 0 | ||
| remoteCount := 0 | ||
| // TODO(lucab): parallelize this | ||
| for _, im := range profile { | ||
| if archive, err := storeCache.ArchiveFor(im); err == nil { | ||
| logrus.WithFields(logrus.Fields{ | ||
| "path": archive.Filepath, | ||
| }).Info("image found locally") | ||
| localCount++ | ||
| continue | ||
| } | ||
|
|
||
| ctxTo, cancel := context.WithTimeout(context.Background(), time.Duration(timeoutMins)*time.Minute) | ||
| defer cancel() | ||
| if err := remotesCache.FetchImage(ctxTo, im, versionedStorePath); err != nil { | ||
| return err | ||
| } | ||
| remoteCount++ | ||
| } | ||
|
|
||
| logrus.WithFields(logrus.Fields{ | ||
| "local": localCount, | ||
| "downloaded": remoteCount, | ||
| "profile_name": flagProfilePopulateName, | ||
| "profile_path": flagProfilePopulatePath, | ||
| }).Info("store populated") | ||
| return nil | ||
| } |
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