Added 'user_pending' to PERSISTENT_ROOT (#93)

Currently external user requests are at risk of being removed during
system updates.
This adjustment assures that external user requests are stored in a
persistent storage location.

Author: Martin-Rehr

Makefile

@@ -114,6 +114,7 @@ initdirs: initcomposevars
 	mkdir -p ${PERSISTENT_ROOT}/workflows_db_home
 	mkdir -p ${PERSISTENT_ROOT}/workflows_home
 	mkdir -p ${PERSISTENT_ROOT}/user_db_home
+	mkdir -p ${PERSISTENT_ROOT}/user_pending
 	mkdir -p ${PERSISTENT_ROOT}/gdp_home
 	mkdir -p ${PERSISTENT_ROOT}/user_home
 	mkdir -p ${PERSISTENT_ROOT}/user_settings

docker-compose_production.yml

@@ -161,6 +161,9 @@ services:
       - type: volume
         source: user_db_home
         target: /home/mig/state/user_db_home
+      - type: volume
+        source: user_pending
+        target: /home/mig/state/user_pending
       - type: volume
         source: gdp_home
         target: /home/mig/state/gdp_home
@@ -290,6 +293,10 @@ services:
       - type: volume
         source: user_db_home
         target: /home/mig/state/user_db_home
+      #  NOTE: user_pending is not needed in openid container
+      #- type: volume
+      #  source: user_pending
+      #  target: /home/mig/state/user_pending
       - type: volume
         source: gdp_home
         target: /home/mig/state/gdp_home
@@ -413,6 +420,10 @@ services:
         source: user_db_home
         target: /home/mig/state/user_db_home
       - type: volume
+      #  NOTE: user_pending is not needed in sftp container
+      #- type: volume
+      #  source: user_pending
+      #  target: /home/mig/state/user_pending
         source: gdp_home
         target: /home/mig/state/gdp_home
       - type: volume
@@ -534,6 +545,10 @@ services:
         source: user_db_home
         target: /home/mig/state/user_db_home
       - type: volume
+      #  NOTE: user_pending is not needed in ftps container
+      #- type: volume
+      #  source: user_pending
+      #  target: /home/mig/state/user_pending
         source: gdp_home
         target: /home/mig/state/gdp_home
       - type: volume
@@ -655,6 +670,10 @@ services:
         source: user_db_home
         target: /home/mig/state/user_db_home
       - type: volume
+      #  NOTE: user_pending is not needed in webdavs container
+      #- type: volume
+      #  source: user_pending
+      #  target: /home/mig/state/user_pending
         source: gdp_home
         target: /home/mig/state/gdp_home
       - type: volume
@@ -910,6 +929,14 @@ volumes:
       device: ${PERSISTENT_ROOT}/user_db_home
       o: bind
 
+  user_pending:
+    # Volume used to contain the migrid user_pending
+    driver: local
+    driver_opts:
+      type: none
+      device: ${PERSISTENT_ROOT}/user_pending
+      o: bind
+
   gdp_home:
     # Volume used to contain the migrid gdp_home
     driver: local