Update the Docker entrypoint UID and GUID code

Update the ownership of files when the UID of GUID are changed.
GitLab issue #650.

Allow changing the GID of the mayan user to existing values.
GitLab issue #652. Thanks to Fabian (@ruffy91) for both reports.

Signed-off-by: Roberto Rosario <Roberto.Rosario@mayan-edms.com>

HISTORY.rst

@@ -17,6 +17,14 @@
 * Increase mailing profile password field max length 
   from 48 to 128 characters. GitLab issue #657.
   Thanks to sigsec (@sigsec) for the report.
+* Update the Docker entrypoint to update the ownership
+  of files when the UID of GUID are changed.
+  GitLab issue #650. Thanks to Fabian (@ruffy91)
+  for the report.
+* Update the Docker entrypoint to allow changing
+  the GID of the mayan user to existing values.
+  GitLab issue #652. Thanks to Fabian (@ruffy91)
+  for the report.
 
 3.2.6 (2019-07-10)
 ==================

docker/rootfs/usr/local/bin/entrypoint.sh

@@ -8,6 +8,9 @@ CONCURRENCY_ARGUMENT=--concurrency=
 DEFAULT_USER_UID=1000
 DEFAULT_USER_GUID=1000
 
+MAYAN_USER_UID=${MAYAN_USER_UID:-${DEFAULT_USER_UID}}
+MAYAN_USER_GUID=${MAYAN_USER_GUID:-${DEFAULT_USER_GUID}}
+
 export MAYAN_DEFAULT_BROKER_URL=redis://127.0.0.1:6379/0
 export MAYAN_DEFAULT_CELERY_RESULT_BACKEND=redis://127.0.0.1:6379/0
 
@@ -30,9 +33,18 @@ MAYAN_WORKER_FAST_CONCURRENCY=${MAYAN_WORKER_FAST_CONCURRENCY:-1}
 MAYAN_WORKER_MEDIUM_CONCURRENCY=${MAYAN_WORKER_MEDIUM_CONCURRENCY:-1}
 MAYAN_WORKER_SLOW_CONCURRENCY=${MAYAN_WORKER_SLOW_CONCURRENCY:-1}
 
-echo "mayan: changing uid/guid"
-usermod mayan -u ${MAYAN_USER_UID:-${DEFAULT_USER_UID}}
-groupmod mayan -g ${MAYAN_USER_GUID:-${DEFAULT_USER_GUID}}
+update_uid_gid() {
+    echo "mayan: update_uid_gid()"
+    groupmod mayan -g ${MAYAN_USER_GUID} 2>/dev/null || true
+    usermod mayan -u ${MAYAN_USER_UID} -g ${MAYAN_USER_GUID} 2>/dev/null
+
+    if [ ${MAYAN_USER_UID} -ne ${DEFAULT_USER_UID} ] || [ ${MAYAN_USER_GUID} -ne ${DEFAULT_USER_GUID} ]; then
+        echo "mayan: Updating file ownership. This might take a while if there are many documents."
+        chown mayan:mayan ${MAYAN_INSTALL_DIR} ${MAYAN_STATIC_ROOT} ${MAYAN_MEDIA_ROOT}
+    fi
+}
+
+update_uid_gid
 
 if [ "$MAYAN_WORKER_FAST_CONCURRENCY" -eq 0 ]; then
     MAYAN_WORKER_FAST_CONCURRENCY=

docs/releases/3.2.7.rst

@@ -24,6 +24,14 @@ Changes
 - Increase mailing profile password field max length
   from 48 to 128 characters. GitLab issue #657.
   Thanks to sigsec (@sigsec) for the report.
+- Update the Docker entrypoint to update the ownership
+  of files when the UID of GUID are changed.
+  GitLab issue #650. Thanks to Fabian (@ruffy91)
+  for the report.
+- Update the Docker entrypoint to allow changing
+  the GID of the mayan user to existing values.
+  GitLab issue #652. Thanks to Fabian (@ruffy91)
+  for the report.
 
 Removals
 --------
@@ -116,6 +124,8 @@ Backward incompatible changes
 Bugs fixed or issues closed
 ---------------------------
 
+- :gitlab-issue:`650` Permission denied when MAYAN_USER_UID and MAYAN_USER_GUID are set
+- :gitlab-issue:`652` MAYAN_USER_GUID cannot be set to specific values
 - :gitlab-issue:`654` Internal Server Error, Document Checkout
 - :gitlab-issue:`655` Index setup tree view shows two times the "enabled" field instead of "Link documents"
 - :gitlab-issue:`657` Mailer password length restriction is too short