Make repository cache settings configurable using repository server CR

pkg/apis/cr/v1alpha1/repositoryserver_types.go

@@ -76,6 +76,14 @@ type Repository struct {
 	Hostname string `json:"hostname"`
 	// PasswordSecretRef has the password required to connect to kopia repository
 	PasswordSecretRef corev1.SecretReference `json:"passwordSecretRef"`
+	CacheSizeSettings CacheSizeSettings      `json:"cacheSizeSettings,omitempty"`
+}
+
+// CacheSettings are the metadata/content cache size details
+// that can be used while establishing connection to the kopia repository
+type CacheSizeSettings struct {
+	Metadata string `json:"metadata"`
+	Content  string `json:"content"`
 }
 
 // Server details required for starting the repository proxy server and initializing the repository client users

pkg/controllers/repositoryserver/repository.go

@@ -15,6 +15,8 @@
 package repositoryserver
 
 import (
+	"strconv"
+
 	"github.com/kanisterio/kanister/pkg/kopia/command"
 	"github.com/kanisterio/kanister/pkg/kopia/repository"
 )
@@ -27,7 +29,10 @@ const (
 )
 
 func (h *RepoServerHandler) connectToKopiaRepository() error {
-	contentCacheMB, metadataCacheMB := command.GetGeneralCacheSizeSettings()
+	contentCacheMB, metadataCacheMB, err := h.getRepositoryCacheSettings()
+	if err != nil {
+		return err
+	}
 	args := command.RepositoryCommandArgs{
 		CommandArgs: &command.CommandArgs{
 			RepoPassword:   string(h.RepositoryServerSecrets.repositoryPassword.Data[repoPasswordKey]),
@@ -52,3 +57,20 @@ func (h *RepoServerHandler) connectToKopiaRepository() error {
 		args,
 	)
 }
+
+func (h *RepoServerHandler) getRepositoryCacheSettings() (contentCacheMB, metadataCacheMB int, err error) {
+	contentCacheMB, metadataCacheMB = command.GetGeneralCacheSizeSettings()
+	if h.RepositoryServer.Spec.Repository.CacheSizeSettings.Content != "" {
+		contentCacheMB, err = strconv.Atoi(h.RepositoryServer.Spec.Repository.CacheSizeSettings.Content)
+		if err != nil {
+			return
+		}
+	}
+	if h.RepositoryServer.Spec.Repository.CacheSizeSettings.Metadata != "" {
+		metadataCacheMB, err = strconv.Atoi(h.RepositoryServer.Spec.Repository.CacheSizeSettings.Metadata)
+		if err != nil {
+			return
+		}
+	}
+	return
+}

pkg/customresource/repositoryserver.yaml

@@ -37,6 +37,18 @@ spec:
                 description: Repository has the details required by the repository
                   server to connect to kopia repository
                 properties:
+                  cacheSizeSettings:
+                    description: CacheSettings are the metadata/content cache size
+                      details that can be used for establishing connection to the kopia repository
+                    properties:
+                      content:
+                        type: string
+                      metadata:
+                        type: string
+                    required:
+                    - content
+                    - metadata
+                    type: object
                   hostname:
                     description: If specified, these values will be used by the controller
                       to override default hostname when connecting to the repository