[GitHub] [guacamole-client] jbpaux commented on a diff in pull request #717: GUACAMOLE-1572: Match environment variables for POSTGRESQL auth plugin doesn't match guacamole.properties variable name

[GitBox <gi...@apache.org>]

jbpaux commented on code in PR #717:
URL: https://github.com/apache/guacamole-client/pull/717#discussion_r866363420


##########
guacamole-docker/bin/start.sh:
##########
@@ -251,40 +251,97 @@ environment variables or their corresponding Docker secrets by appending _FILE
 to the environment variable, and setting the value to the path of the
 corresponding secret:
 
-    POSTGRES_USER      The user to authenticate as when connecting to
+    POSTGRESQL_USER      The user to authenticate as when connecting to
                        PostgreSQL.
 
-    POSTGRES_PASSWORD  The password to use when authenticating with PostgreSQL
-                       as POSTGRES_USER.
+    POSTGRESQL_PASSWORD  The password to use when authenticating with PostgreSQL
+                       as POSTGRESQL_USER.
 
-    POSTGRES_DATABASE  The name of the PostgreSQL database to use for Guacamole
+    POSTGRESQL_DATABASE  The name of the PostgreSQL database to use for Guacamole
                        authentication.
 END
     exit 1;
 }
 
+## Provide backward compatibility on POSTGRES_* environment variables
+## In case of new deployment, please use POSTGRESQL_* equivalent variables.
+if [ -n "$POSTGRES_HOSTNAME" ]; then
+    POSTGRESQL_HOSTNAME=$POSTGRES_HOSTNAME;
+fi
+if [ -n "$POSTGRES_PORT" ]; then
+    POSTGRESQL_PORT=$POSTGRES_PORT;
+fi
+if [ -n "$POSTGRES_DATABASE" ]; then
+    POSTGRESQL_DATABASE=$POSTGRES_DATABASE;
+fi
+if [ -n "$POSTGRES_DATABASE_FILE" ]; then
+    POSTGRESQL_DATABASE=$POSTGRES_DATABASE_FILE;
+fi
+if [ -n "$POSTGRES_USER_FILE" ]; then
+    POSTGRESQL_USER_FILE=$POSTGRES_USER_FILE;
+fi
+if [ -n "$POSTGRES_USER" ]; then
+    POSTGRESQL_USER=$POSTGRES_USER;
+fi
+if [ -n "$POSTGRES_PASSWORD_FILE" ]; then
+    POSTGRESQL_PASSWORD_FILE=$POSTGRES_PASSWORD_FILE;
+fi
+if [ -n "$POSTGRES_PASSWORD" ]; then
+    POSTGRESQL_PASSWORD=$POSTGRES_PASSWORD;
+fi
+if [ -n "$POSTGRES_ABSOLUTE_MAX_CONNECTIONS" ]; then
+    POSTGRESQL_ABSOLUTE_MAX_CONNECTIONS=$POSTGRES_ABSOLUTE_MAX_CONNECTIONS;
+fi
+if [ -n "$POSTGRES_DEFAULT_MAX_CONNECTIONS" ]; then
+    POSTGRESQL_DEFAULT_MAX_CONNECTIONS=$POSTGRES_DEFAULT_MAX_CONNECTIONS;
+fi
+if [ -n "$POSTGRES_DEFAULT_MAX_GROUP_CONNECTIONS" ]; then
+    POSTGRESQL_DEFAULT_MAX_GROUP_CONNECTIONS=$POSTGRES_DEFAULT_MAX_GROUP_CONNECTIONS;
+fi
+if [ -n "$POSTGRES_DEFAULT_MAX_CONNECTIONS_PER_USER" ]; then
+    POSTGRESQL_DEFAULT_MAX_CONNECTIONS_PER_USER=$POSTGRES_DEFAULT_MAX_CONNECTIONS_PER_USER;
+fi
+if [ -n "$POSTGRES_DEFAULT_MAX_GROUP_CONNECTIONS_PER_USER" ]; then
+    POSTGRESQL_DEFAULT_MAX_GROUP_CONNECTIONS_PER_USER=$POSTGRES_DEFAULT_MAX_GROUP_CONNECTIONS_PER_USER;
+fi
+if [ -n "$POSTGRES_DEFAULT_STATEMENT_TIMEOUT" ]; then
+    POSTGRESQL_DEFAULT_STATEMENT_TIMEOUT=$POSTGRES_DEFAULT_STATEMENT_TIMEOUT;
+fi
+if [ -n "$POSTGRES_USER_REQUIRED" ]; then
+    POSTGRESQL_USER_REQUIRED=$POSTGRES_USER_REQUIRED;
+fi
+if [ -n "$POSTGRES_SOCKET_TIMEOUT" ]; then
+    POSTGRESQL_SOCKET_TIMEOUT=$POSTGRES_SOCKET_TIMEOUT;
+fi
+if [ -n "$POSTGRES_SSL_KEY_PASSWORD_FILE" ]; then
+    POSTGRESQL_SSL_KEY_PASSWORD_FILE=$POSTGRES_SSL_KEY_PASSWORD_FILE;
+fi
+if [ -n "$POSTGRES_SSL_KEY_PASSWORD" ]; then
+    POSTGRESQL_SSL_KEY_PASSWORD=$POSTGRES_SSL_KEY_PASSWORD;
+fi

Review Comment:
   I thought of that but do we assume `printf -v` is available ? `/bin/sh` is used and I wasn't sure it was ok.



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