40b20e0c08
This simplifies cache referencing and also paves the way for removing more from the app git directory. Refs #1558
52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
package repo
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
|
|
"github.com/dokku/dokku/plugins/common"
|
|
)
|
|
|
|
// PurgeCacheFailed wraps error to allow returning the correct exit code
|
|
type PurgeCacheFailed struct {
|
|
exitCode int
|
|
}
|
|
|
|
// ExitCode returns an exit code to use in case this error bubbles
|
|
// up into an os.Exit() call
|
|
func (err *PurgeCacheFailed) ExitCode() int {
|
|
return err.exitCode
|
|
}
|
|
|
|
// Error returns a standard non-existent app error
|
|
func (err *PurgeCacheFailed) Error() string {
|
|
return fmt.Sprintf("failed to purge cache, exit code %d", err.exitCode)
|
|
}
|
|
|
|
// PurgeCache deletes the contents of the build cache stored in the repository
|
|
func PurgeCache(appName string) error {
|
|
containerIDs, _ := common.DockerFilterContainers([]string{
|
|
fmt.Sprintf("label=com.dokku.app-name=%v", appName),
|
|
"label=com.dokku.image-stage=build",
|
|
})
|
|
if len(containerIDs) > 0 {
|
|
common.DockerRemoveContainers(containerIDs)
|
|
}
|
|
purgeCacheCmd := common.NewShellCmd(strings.Join([]string{
|
|
common.DockerBin(),
|
|
"volume",
|
|
"rm", "-f", fmt.Sprintf("cache-%s", appName)}, " "))
|
|
purgeCacheCmd.ShowOutput = false
|
|
purgeCacheCmd.Command.Stderr = os.Stderr
|
|
if !purgeCacheCmd.Execute() {
|
|
exitCode := 1
|
|
if purgeCacheCmd.ExitError != nil {
|
|
exitCode = purgeCacheCmd.ExitError.ExitCode()
|
|
}
|
|
return &PurgeCacheFailed{exitCode}
|
|
}
|
|
|
|
return nil
|
|
}
|