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Bump will be responsible to verify the greatest version across regions and creates region version until reach the latest.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /* | ||
| * Copyright (c) Fabio da Silva Ribeiro <[email protected]> | ||
| * SPDX-License-Identifier: MIT | ||
| */ | ||
|
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| package cmd | ||
|
|
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| import ( | ||
| "bytes" | ||
| "errors" | ||
| "fmt" | ||
|
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| "golang.org/x/sync/errgroup" | ||
|
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| "github.com/aws/aws-sdk-go-v2/config" | ||
| "github.com/urfave/cli/v2" | ||
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| "github.com/faabiosr/lb/internal" | ||
| ) | ||
|
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| var bumpCmd = &cli.Command{ | ||
| Name: "bump", | ||
| Description: "bump layer to latest version across regions", | ||
| Flags: []cli.Flag{ | ||
| &cli.StringSliceFlag{ | ||
| Name: "regions", | ||
| Aliases: []string{"r"}, | ||
| Usage: "list of regions separated by comma.", | ||
| Required: true, | ||
| }, | ||
| }, | ||
| ArgsUsage: "layer-name", | ||
| Action: func(cc *cli.Context) error { | ||
| name := cc.Args().First() | ||
| if name == "" { | ||
| return errors.New(`required argument "layer-name" not set`) | ||
| } | ||
|
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| regions := cc.StringSlice("regions") | ||
| if len(regions) <= 1 { | ||
| return errors.New(`required flag "regions" must contain at least two regions`) | ||
| } | ||
|
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| cfg, err := config.LoadDefaultConfig(cc.Context) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to load aws config: %w", err) | ||
| } | ||
|
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| l := internal.LoadLayer(cfg, name) | ||
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| greatest, err := l.GreatestVersion(cc.Context, regions) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| if greatest.Number == 0 { | ||
| return errors.New("there are no published versions") | ||
| } | ||
|
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| g, ctx := errgroup.WithContext(cc.Context) | ||
|
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| for _, region := range regions { | ||
| g.Go(func() error { | ||
| latest, err := l.LatestVersion(ctx, region) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| for i := latest.Number; i < greatest.Number; i++ { | ||
| current, err := l.FetchVersion(ctx, i+1, greatest.Region) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| buf := &bytes.Buffer{} | ||
| if err := l.DownloadVersion(ctx, current, buf); err != nil { | ||
| return err | ||
| } | ||
|
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| current.Region = region | ||
| current.Content.File = buf.Bytes() | ||
|
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| if err := l.PublishVersion(ctx, current); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
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| return nil | ||
| }) | ||
| } | ||
|
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| if err := g.Wait(); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| }, | ||
| } |
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