Add basic config to use Google Cloud Storage as file system

Author: AngelFQC

.env.dist

@@ -73,3 +73,11 @@ THEME_FALLBACK='{{THEME_FALLBACK}}'
 PACKAGER='{{PACKAGER}}'
 DEFAULT_TEMPLATE='{{DEFAULT_TEMPLATE}}'
 ADMIN_CHAMILO_ANNOUNCEMENTS_DISABLE='{{ADMIN_CHAMILO_ANNOUNCEMENTS_DISABLE}}'
+
+###> google cloud storage as filesystem ###
+# GOOGLE_CLOUD_PROJECT_ID=''
+# GOOGLE_CLOUD_KEY_FILE_PATH=%kernel.project_dir%/config/storage_keys/project-id-12345678.json
+# GOOGLE_CLOUD_STORAGE_PREFIX=''
+# GOOGLE_CLOUD_STORAGE_RESOURCE_BUCKET=''
+# GOOGLE_CLOUD_STORAGE_RESOURCE_CACHE_BUCKET=''
+###< google cloud storage as filesystem ###

config/packages/oneup_flysystem.yaml

@@ -14,6 +14,18 @@ oneup_flysystem:
             local:
                 location: '%kernel.project_dir%/var/cache/resource'
 
+        resource_gcs_adapter:
+            googlecloudstorage:
+                client: 'Google\Cloud\Storage\StorageClient'
+                bucket: '%env(GOOGLE_CLOUD_STORAGE_RESOURCE_BUCKET)%'
+                prefix: '%env(GOOGLE_CLOUD_STORAGE_PREFIX)%'
+
+        resource_cache_gcs_adapter:
+            googlecloudstorage:
+                client: 'Google\Cloud\Storage\StorageClient'
+                bucket: '%env(GOOGLE_CLOUD_STORAGE_RESOURCE_CACHE_BUCKET)%'
+                prefix: '%env(GOOGLE_CLOUD_STORAGE_PREFIX)%'
+
         themes_adapter:
             local:
                 location: '%kernel.project_dir%/var/themes'

config/services.yaml

@@ -129,6 +129,12 @@ services:
             - setValidator: [ '@validator' ]
             - setSessionFactory: [ '@session.factory' ]
 
+    Google\Cloud\Storage\StorageClient:
+        arguments:
+            $config:
+                projectId: '%env(GOOGLE_CLOUD_PROJECT_ID)%'
+                keyFilePath: '%env(resolve:GOOGLE_CLOUD_KEY_FILE_PATH)%'
+
 cocur_slugify:
     lowercase: true
 

config/storage_keys/README.md

@@ -0,0 +1,2 @@
+This directory is used to store the files needed for authentication of external file systems.
+For example for the GOOGLE_CLOUD_KEY_FILE_PATH environment variable.