6836e56b24
This reduces duplication and allows users to rely on global arguments to generate most labels needed. The 'commit' command cannot have global arguments because the whitespace within the label change breaks string-based interpolation, and shell arrays cannot be exported.
39 lines
1.2 KiB
Go
39 lines
1.2 KiB
Go
package repo
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import (
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"fmt"
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"os"
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"strings"
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"github.com/dokku/dokku/plugins/common"
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"github.com/dokku/dokku/plugins/config"
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)
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// PurgeCache deletes the contents of the build cache stored in the repository
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func PurgeCache(appName string) error {
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err := common.VerifyAppName(appName)
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if err != nil {
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return err
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}
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cacheDir := strings.Join([]string{common.MustGetEnv("DOKKU_ROOT"), appName, "cache"}, "/")
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cacheHostDir := strings.Join([]string{common.MustGetEnv("DOKKU_HOST_ROOT"), appName, "cache"}, "/")
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dokkuGlobalRunArgs := common.MustGetEnv("DOKKU_GLOBAL_RUN_ARGS")
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image := config.GetWithDefault(appName, "DOKKU_IMAGE", os.Getenv("DOKKU_IMAGE"))
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if info, _ := os.Stat(cacheDir); info != nil && info.IsDir() {
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dockerLabelArgs := fmt.Sprintf("--label=com.dokku.app-name=%s", appName)
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purgeCacheCmd := common.NewShellCmd(strings.Join([]string{
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common.DockerBin(),
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"run --rm", dockerLabelArgs, dokkuGlobalRunArgs,
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"-v", strings.Join([]string{cacheHostDir, ":/cache"}, ""), image,
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`find /cache -depth -mindepth 1 -maxdepth 1 -exec rm -Rf {} ;`}, " "))
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purgeCacheCmd.Execute()
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err := os.MkdirAll(cacheDir, 0644)
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if err != nil {
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return err
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}
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}
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return nil
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}
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