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refactor: switch from base64-encoding to base36-encoding of cron task IDs

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This allows the IDs to be used as DNS labels, meaning they can be used as is for external scheduler task names.

Closes #4903
This commit is contained in:
Jose Diaz-Gonzalez
2022-11-09 22:22:37 -05:00
parent 14ba1a214f
commit ddae4f71da
4 changed files with 10 additions and 4 deletions
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3
docs/appendices/0.29.0-migration-guide.md
View File

@@ -2,4 +2,5 @@
## Changes
The output of `run:detached` now uses the container name - eg. `node-js-app.run.1` - vs the container id.
- The output of `run:detached` now uses the container name - eg. `node-js-app.run.1` - vs the container id.
- The ID of `cron` tasks is now base36-encoded instead of base64-encoded.

6
plugins/cron/functions.go
View File

@@ -1,7 +1,6 @@
package cron
import (
"encoding/base64"
"encoding/json"
"fmt"
"io/ioutil"
@@ -13,6 +12,7 @@ import (
appjson "github.com/dokku/dokku/plugins/app-json"
"github.com/dokku/dokku/plugins/common"
base36 "github.com/multiformats/go-base36"
cronparser "github.com/robfig/cron/v3"
)
@@ -126,7 +126,7 @@ func writeCronEntries() error {
return fmt.Errorf("Invalid injected cron task: %v", line)
}
id := base64.StdEncoding.EncodeToString([]byte(strings.Join(parts, ";;;")))
id := base36.EncodeToStringLc([]byte(strings.Join(parts, ";;;")))
command := templateCommand{
ID: id,
Schedule: parts[0],
@@ -189,5 +189,5 @@ func getCronTemplate() (*template.Template, error) {
}
func generateCommandID(appName string, c appjson.CronCommand) string {
return base64.StdEncoding.EncodeToString([]byte(appName + "===" + c.Command + "===" + c.Schedule))
return base36.EncodeToStringLc([]byte(appName + "===" + c.Command + "===" + c.Schedule))
}

1
plugins/cron/go.mod
View File

@@ -8,6 +8,7 @@ require (
github.com/robfig/cron/v3 v3.0.1
github.com/ryanuber/columnize v1.1.2-0.20190319233515-9e6335e58db3
github.com/spf13/pflag v1.0.5
github.com/multiformats/go-base36 v0.1.1-0.20220823151017-f5af2eed4d9c
)
require (

4
plugins/cron/go.sum
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@@ -4,6 +4,10 @@ github.com/codeskyblue/go-sh v0.0.0-20190412065543-76bd3d59ff27 h1:HHUr4P/aKh4qu
github.com/codeskyblue/go-sh v0.0.0-20190412065543-76bd3d59ff27/go.mod h1:VQx0hjo2oUeQkQUET7wRwradO6f+fN5jzXgB/zROxxE=
github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
github.com/multiformats/go-base36 v0.1.0 h1:JR6TyF7JjGd3m6FbLU2cOxhC0Li8z8dLNGQ89tUg4F4=
github.com/multiformats/go-base36 v0.1.0/go.mod h1:kFGE83c6s80PklsHO9sRn2NCoffoRdUUOENyW/Vv6sM=
github.com/multiformats/go-base36 v0.1.1-0.20220823151017-f5af2eed4d9c h1:3eLctj5+2JpWf0E8PICebevkyD0KcZUhye8ggScrnEQ=
github.com/multiformats/go-base36 v0.1.1-0.20220823151017-f5af2eed4d9c/go.mod h1:qvnKE++v+2MWCfePClUEjE78Z7P2a1UV0xHgWc0hkp4=
github.com/onsi/gomega v1.19.0 h1:4ieX6qQjPP/BfC3mpsAtIGGlxTWPeA3Inl/7DtXw1tw=
github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=