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feat: sbom-cleanup; refactoring and fixing
Signed-off-by: Christian Kotzbauer <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,32 +1,120 @@ | ||
| package daemon | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "time" | ||
|
|
||
| "github.com/ckotzbauer/sbom-git-operator/internal" | ||
| "github.com/ckotzbauer/sbom-git-operator/internal/git" | ||
| "github.com/ckotzbauer/sbom-git-operator/internal/kubernetes" | ||
| "github.com/ckotzbauer/sbom-git-operator/internal/syft" | ||
| "github.com/robfig/cron" | ||
| "github.com/sirupsen/logrus" | ||
| "github.com/spf13/viper" | ||
| ) | ||
|
|
||
| func RunBackgroundService() { | ||
| type CronService struct { | ||
| cron string | ||
| } | ||
|
|
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| func Start(cronTime string) { | ||
| cr := internal.Unescape(cronTime) | ||
| logrus.Debugf("Cron set to: %v", cr) | ||
|
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| cs := CronService{cron: cr} | ||
| cs.printNextExecution() | ||
|
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| c := cron.New() | ||
| c.AddFunc(cr, func() { cs.runBackgroundService() }) | ||
| c.Start() | ||
| } | ||
|
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| func (c *CronService) printNextExecution() { | ||
| s, err := cron.Parse(c.cron) | ||
| if err != nil { | ||
| logrus.WithError(err).Fatal("Cron cannot be parsed") | ||
| } | ||
|
|
||
| nextRun := s.Next(time.Now()) | ||
| logrus.Debugf("Next background-service run at: %v", nextRun) | ||
| } | ||
|
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| func (c *CronService) runBackgroundService() { | ||
| logrus.Info("Execute background-service") | ||
| workingTree := viper.GetString("git-workingtree") | ||
|
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| gitAccount := git.New(viper.GetString("git-access-token"), viper.GetString("git-author-name"), viper.GetString("git-author-email")) | ||
| gitAccount.Clone(viper.GetString("git-repository"), workingTree, viper.GetString("git-branch")) | ||
| gitAccount.PrepareRepository(viper.GetString("git-repository"), workingTree, viper.GetString("git-branch")) | ||
|
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| client := kubernetes.NewClient() | ||
| namespaces := client.ListNamespaces(viper.GetString("namespace-label-selector")) | ||
| logrus.Debugf("Discovered %v namespaces", len(namespaces)) | ||
|
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| processedSbomFiles := []string{} | ||
|
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| for _, ns := range namespaces { | ||
| pods := client.ListPods(ns.Name, viper.GetString("pod-label-selector")) | ||
| logrus.Debugf("Discovered %v pods in namespace %v", len(pods), ns.Name) | ||
| digests := client.GetContainerDigests(pods) | ||
|
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||
| for _, d := range digests { | ||
| syft.ExecuteSyft(d, workingTree) | ||
| sbomPath := syft.ExecuteSyft(d, workingTree) | ||
| processedSbomFiles = append(processedSbomFiles, sbomPath) | ||
| } | ||
|
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| gitAccount.CommitAll(workingTree, fmt.Sprintf("Created new SBOMs for pods in namespace %s", ns.Name)) | ||
| } | ||
|
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| gitAccount.CommitAll(workingTree, "Created new SBOMs") | ||
| logrus.Debug("Start to remove old SBOMs") | ||
| ignoreDirs := []string{".git"} | ||
| err := filepath.Walk(workingTree, deleteObsoleteFiles(workingTree, ignoreDirs, processedSbomFiles, gitAccount)) | ||
| if err != nil { | ||
| logrus.WithError(err).Error("Could not cleanup old SBOMs") | ||
| } else { | ||
| gitAccount.CommitAndPush(workingTree, "Deleted old SBOMs") | ||
| } | ||
|
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| c.printNextExecution() | ||
| } | ||
|
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| func deleteObsoleteFiles(workingTree string, ignoreDirs, processedSbomFiles []string, gitAccount git.GitAccount) filepath.WalkFunc { | ||
| return func(path string, info os.FileInfo, err error) error { | ||
| if err != nil { | ||
| logrus.WithError(err).Errorf("An error occurred while processing %s", path) | ||
| return nil | ||
| } | ||
|
|
||
| if info.IsDir() { | ||
| dir := filepath.Base(path) | ||
| for _, d := range ignoreDirs { | ||
| if d == dir { | ||
| return filepath.SkipDir | ||
| } | ||
| } | ||
| } | ||
|
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||
| if info.Name() == "sbom.json" { | ||
| found := false | ||
| for _, f := range processedSbomFiles { | ||
| if f == path { | ||
| found = true | ||
| break | ||
| } | ||
| } | ||
|
|
||
| if !found { | ||
| rel, _ := filepath.Rel(workingTree, path) | ||
| gitAccount.RemoveFile(workingTree, rel) | ||
| if err != nil { | ||
| logrus.WithError(err).Errorf("File could not be deleted %s", path) | ||
| } else { | ||
| logrus.Debugf("Deleted old SBOM: %s", path) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
| } |
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