/
repository.go
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/
repository.go
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package reconcile
import (
"context"
"net/url"
"reflect"
"strings"
"time"
securityv1 "github.com/caapim/layer7-operator/api/v1"
"github.com/caapim/layer7-operator/pkg/util"
"github.com/go-git/go-git/v5"
corev1 "k8s.io/api/core/v1"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
)
func syncRepository(ctx context.Context, params Params) error {
repository, err := getRepository(ctx, params)
var commit string
var username string
var token string
var repositorySecret *corev1.Secret
var sshKey []byte
var sshKeyPass string
var knownHosts []byte
authType := params.Instance.Spec.Auth.Type
if err != nil {
params.Log.Info("repository unavailable", "name", params.Instance.Name, "namespace", params.Instance.Namespace, "error", err.Error())
_ = s.RemoveByTag(params.Instance.Name + "-sync-repository")
return nil
}
params.Instance = &repository
repoStatus := repository.Status
if !repository.Spec.Enabled {
params.Log.Info("repository not enabled", "name", repository.Name, "namespace", repository.Namespace)
return nil
}
if repository.Spec.Auth != (securityv1.RepositoryAuth{}) && repository.Spec.Auth.Type != securityv1.RepositoryAuthTypeNone {
repositorySecret, err = getSecret(ctx, repository, params)
if err != nil {
params.Log.Info("secret unavailable", "name", repository.Name, "namespace", repository.Namespace, "error", err.Error())
return nil
}
token = string(repositorySecret.Data["TOKEN"])
if token == "" {
token = string(repositorySecret.Data["PASSWORD"])
}
username = string(repositorySecret.Data["USERNAME"])
sshKey = repositorySecret.Data["SSH_KEY"]
sshKeyPass = string(repositorySecret.Data["SSH_KEY_PASS"])
knownHosts = repositorySecret.Data["KNOWN_HOSTS"]
authType = repository.Spec.Auth.Type
if authType == "" && username != "" && token != "" {
authType = securityv1.RepositoryAuthTypeBasic
}
if authType == "" && username == "" && sshKey != nil {
authType = securityv1.RepositoryAuthTypeSSH
}
}
ext := repository.Spec.Branch
if ext == "" {
ext = repository.Spec.Tag
}
storageSecretName := repository.Name + "-repository-" + ext
requestCacheEntry := repository.Name
syncRequest, _ := syncCache.Read(requestCacheEntry)
backoffRequestCacheEntry := repository.Name + "-backoff"
backoffSyncRequest, _ := syncCache.Read(backoffRequestCacheEntry)
if backoffSyncRequest.Attempts > 4 {
params.Log.Info("several attempts to sync this repository have failed, please check your configuration", "name", repository.Name, "namespace", repository.Namespace)
return nil
}
if syncRequest.Attempts > 2 {
params.Log.V(2).Info("request has failed more than 3 times in the last 30 seconds", "name", repository.Name, "namespace", repository.Namespace)
return nil
}
patch := []byte(`[{"op": "replace", "path": "/status/ready", "value": false}]`)
switch strings.ToLower(repository.Spec.Type) {
case "http":
forceUpdate := false
if repository.Status.Summary != repository.Spec.Endpoint {
forceUpdate = true
}
commit, err = util.DownloadArtifact(repository.Spec.Endpoint, username, token, repository.Name, forceUpdate)
if err != nil {
if err == util.ErrInvalidFileFormatError || err == util.ErrInvalidTarArchive || err == util.ErrInvalidZipArchive {
params.Log.Info(err.Error(), "name", repository.Name, "namespace", repository.Namespace)
backoffAttempts := 5
syncCache.Update(util.SyncRequest{RequestName: backoffRequestCacheEntry, Attempts: backoffAttempts}, time.Now().Add(360*time.Second).Unix())
err = setRepoStatus(ctx, params, patch)
if err != nil {
params.Log.V(2).Error(err, "failed to patch repository status", "namespace", params.Instance.Namespace, "name", params.Instance.Name)
}
return nil
}
params.Log.Info(err.Error(), "name", repository.Name, "namespace", repository.Namespace)
attempts := syncRequest.Attempts + 1
backoffAttempts := backoffSyncRequest.Attempts + 1
syncCache.Update(util.SyncRequest{RequestName: backoffRequestCacheEntry, Attempts: backoffAttempts}, time.Now().Add(360*time.Second).Unix())
syncCache.Update(util.SyncRequest{RequestName: requestCacheEntry, Attempts: attempts}, time.Now().Add(30*time.Second).Unix())
err = setRepoStatus(ctx, params, patch)
if err != nil {
params.Log.V(2).Error(err, "failed to patch repository status", "namespace", params.Instance.Namespace, "name", params.Instance.Name)
}
return nil
}
fileURL, _ := url.Parse(repository.Spec.Endpoint)
path := fileURL.Path
segments := strings.Split(path, "/")
fileName := segments[len(segments)-1]
ext := strings.Split(fileName, ".")[len(strings.Split(fileName, "."))-1]
folderName := strings.ReplaceAll(fileName, "."+ext, "")
if ext == "gz" && strings.Split(fileName, ".")[len(strings.Split(fileName, "."))-2] == "tar" {
folderName = strings.ReplaceAll(fileName, ".tar.gz", "")
}
storageSecretName = repository.Name + "-repository-" + folderName
case "git":
commit, err = util.CloneRepository(repository.Spec.Endpoint, username, token, sshKey, sshKeyPass, repository.Spec.Branch, repository.Spec.Tag, repository.Spec.RemoteName, repository.Name, repository.Spec.Auth.Vendor, string(authType), knownHosts)
if err == git.NoErrAlreadyUpToDate || err == git.ErrRemoteExists {
params.Log.V(2).Info(err.Error(), "name", repository.Name, "namespace", repository.Namespace)
return nil
}
if err != nil {
params.Log.Info("repository error", "name", repository.Name, "namespace", repository.Namespace, "error", err.Error())
attempts := syncRequest.Attempts + 1
syncCache.Update(util.SyncRequest{RequestName: requestCacheEntry, Attempts: attempts}, time.Now().Add(30*time.Second).Unix())
err = setRepoStatus(ctx, params, patch)
if err != nil {
params.Log.V(2).Error(err, "failed to patch repository status", "namespace", params.Instance.Namespace, "name", params.Instance.Name)
}
return nil
}
default:
params.Log.Info("repository type not set", "name", repository.Name, "namespace", repository.Namespace)
return nil
}
err = StorageSecret(ctx, params)
if err != nil {
params.Log.V(2).Info("failed to reconcile storage secret", "name", repository.Name+"-repository", "namespace", repository.Namespace, "error", err.Error())
storageSecretName = ""
}
repoStatus.Commit = commit
repoStatus.Name = repository.Name
repoStatus.Vendor = repository.Spec.Auth.Vendor
repoStatus.Ready = true
if repository.Spec.Type == "http" {
// future usage will include filesize for tracking changes in remote
// or use a different status field.
repoStatus.Summary = repository.Spec.Endpoint
}
repoStatus.StorageSecretName = storageSecretName
if !reflect.DeepEqual(repoStatus, repository.Status) {
params.Log.Info("syncing repository", "name", repository.Name, "namespace", repository.Namespace)
repoStatus.Updated = time.Now().String()
repository.Status = repoStatus
err = params.Client.Status().Update(ctx, &repository)
if err != nil {
params.Log.Info("failed to update repository status", "namespace", repository.Namespace, "name", repository.Name, "error", err.Error())
}
params.Log.Info("reconciled", "name", repository.Name, "namespace", repository.Namespace, "commit", commit)
}
return nil
}
func getSecret(ctx context.Context, repository securityv1.Repository, params Params) (*corev1.Secret, error) {
repositorySecret := &corev1.Secret{}
name := repository.Name
if repository.Spec.Auth.ExistingSecretName != "" {
name = repository.Spec.Auth.ExistingSecretName
}
err := params.Client.Get(ctx, types.NamespacedName{Name: name, Namespace: repository.Namespace}, repositorySecret)
if err != nil {
if k8serrors.IsNotFound(err) {
if err != nil {
return repositorySecret, err
}
}
}
return repositorySecret, nil
}
func getRepository(ctx context.Context, params Params) (securityv1.Repository, error) {
repository := securityv1.Repository{}
err := params.Client.Get(ctx, types.NamespacedName{Name: params.Instance.Name, Namespace: params.Instance.Namespace}, &repository)
if err != nil {
if k8serrors.IsNotFound(err) {
if err != nil {
return repository, err
}
}
}
return repository, nil
}
func setRepoStatus(ctx context.Context, params Params, patch []byte) error {
if !params.Instance.Status.Ready {
return nil
}
if err := params.Client.Status().Patch(context.Background(), params.Instance,
client.RawPatch(types.JSONPatchType, patch)); err != nil {
return err
}
params.Log.Info("repository status has been updated", "namespace", params.Instance.Namespace, "name", params.Instance.Name)
return nil
}