Ensure that DATA_DIR dependent folders/files are automatically created inside the specified DATA_DIR if they are not specified separately in the configuration file.. #5513

docs/en_US/config_py.rst

@@ -46,11 +46,11 @@ The configuration files are as follows:
      Windows,%CommonProgramFiles%\\pgadmin\\config_system.py
 
 .. note:: If the SERVER_MODE or DATA_DIR settings are changed in
-     ``config_distro.py``, ``config_local.py``, or ``config_system.py`` you
-     will most likely need to re-set the LOG_FILE, SQLITE_PATH, SESSION_DB_PATH,
-     STORAGE_DIR, KERBEROS_CCACHE_DIR, and AZURE_CREDENTIAL_CACHE_DIR values
-     as well as they will have been set based on the default configuration or
-     overridden by the runtime.
+     ``config_distro.py``, ``config_local.py``, or ``config_system.py``
+     LOG_FILE, SQLITE_PATH, SESSION_DB_PATH, STORAGE_DIR, KERBEROS_CCACHE_DIR,
+     and AZURE_CREDENTIAL_CACHE_DIR values will be set based on DATA_DIR unless
+     values are explicitly overridden for any of the variable in any of the
+     above file.
 
 The default ``config.py`` file is shown below for reference:
 

docs/en_US/server_deployment.rst

@@ -86,7 +86,9 @@ In order to configure the Python code, follow these steps:
    file locations should be appropriate:
 
    *NOTE: You must ensure the directories specified are writeable by
-   the user that the web server processes will be running as, e.g. apache or www-data.*
+   the user that the web server processes will be running as, e.g. apache or www-data.
+   You may specify DATA_DIR in order to create all required directories and files
+   under DATA_DIR folder.*
 
    .. code-block:: python
 
@@ -94,6 +96,8 @@ In order to configure the Python code, follow these steps:
        SQLITE_PATH = '/var/lib/pgadmin4/pgadmin4.db'
        SESSION_DB_PATH = '/var/lib/pgadmin4/sessions'
        STORAGE_DIR = '/var/lib/pgadmin4/storage'
+       AZURE_CREDENTIAL_CACHE_DIR = '/var/lib/pgadmin4/azurecredentialcache'
+       KERBEROS_CCACHE_DIR = '/var/lib/pgadmin4/kerberoscache'
 
 4. Run the following command to create the configuration database:
 

web/config.py

@@ -835,16 +835,33 @@ AUTO_DISCOVER_SERVERS = True
 ##########################################################################
 # Local config settings
 ##########################################################################
+# User configs loaded from config_local, config_distro etc.
+user_config_settings = {}
+
+
+# Function to Extract settings from config_local, config_distro etc.
+def get_variables_from_module(module_name):
+    module = globals().get(module_name, None)
+    variables = {}
+    if module:
+        variables = {key: value for key, value in module.__dict__.items()
+                     if not (key.startswith('__') or key.startswith('_'))}
+    return variables
+
 
 # Load distribution-specific config overrides
 try:
-    from config_distro import *
+    import config_distro
+    config_distro_settings = get_variables_from_module('config_distro')
+    user_config_settings.update(config_distro_settings)
 except ImportError:
     pass
 
 # Load local config overrides
 try:
-    from config_local import *
+    import config_local
+    config_local_settings = get_variables_from_module('config_local')
+    user_config_settings.update(config_local_settings)
 except ImportError:
     pass
 
@@ -860,10 +877,29 @@ elif sys.platform.startswith('darwin'):
 if os.path.exists(system_config_dir + '/config_system.py'):
     try:
         sys.path.insert(0, system_config_dir)
-        from config_system import *
+        import config_system
+        config_system_settings = get_variables_from_module('config_system')
+        user_config_settings.update(config_system_settings)
     except ImportError:
         pass
 
+# Update settings for 'LOG_FILE', 'SQLITE_PATH', 'SESSION_DB_PATH',
+# 'AZURE_CREDENTIAL_CACHE_DIR', 'KERBEROS_CCACHE_DIR', 'STORAGE_DIR'
+# of DATA_DIR is user defined
+data_dir_dependent_settings = ['LOG_FILE', 'SQLITE_PATH', 'SESSION_DB_PATH',
+                               'AZURE_CREDENTIAL_CACHE_DIR',
+                               'KERBEROS_CCACHE_DIR', 'STORAGE_DIR']
+
+if 'DATA_DIR' in user_config_settings:
+    for setting in data_dir_dependent_settings:
+        if setting not in user_config_settings:
+            data_dir = user_config_settings['DATA_DIR']
+            file_dir_name = os.path.basename(locals().get(setting))
+            locals().update({setting: os.path.join(data_dir, file_dir_name)})
+
+# Finally update config user configs
+locals().update(user_config_settings)
+
 # Override DEFAULT_SERVER value from environment variable.
 if 'PGADMIN_CONFIG_DEFAULT_SERVER' in os.environ:
     DEFAULT_SERVER = os.environ['PGADMIN_CONFIG_DEFAULT_SERVER']