initial commit

modoboa_installer/scripts/__init__.py

@@ -6,12 +6,16 @@ import sys
 from .. import utils
 
 
-def install(appname, config, upgrade):
+def install(appname, config, upgrade, restore):
     """Install an application."""
     if (config.has_option(appname, "enabled") and
             not config.getboolean(appname, "enabled")):
         return
-    utils.printcolor("Installing {}".format(appname), utils.MAGENTA)
+
+    if not restore:
+        utils.printcolor("Installing {}".format(appname), utils.MAGENTA)
+    else:
+        utils.printcolor("Restoring {}".format(appname), utils.MAGENTA)
     try:
         script = importlib.import_module(
             "modoboa_installer.scripts.{}".format(appname))
@@ -19,7 +23,7 @@ def install(appname, config, upgrade):
         print("Unknown application {}".format(appname))
         sys.exit(1)
     try:
-        getattr(script, appname.capitalize())(config, upgrade).run()
+        getattr(script, appname.capitalize())(config, upgrade, restore).run()
     except utils.FatalError as inst:
         utils.printcolor(u"{}".format(inst), utils.RED)
         sys.exit(1)

modoboa_installer/scripts/base.py

@@ -20,10 +20,11 @@ class Installer(object):
     with_db = False
     config_files = []
 
-    def __init__(self, config, upgrade):
+    def __init__(self, config, upgrade, restore):
         """Get configuration."""
         self.config = config
         self.upgrade = upgrade
+        self.restore = restore
         if self.config.has_section(self.appname):
             self.app_config = dict(self.config.items(self.appname))
         self.dbengine = self.config.get("database", "engine")

modoboa_installer/utils.py

@@ -168,7 +168,7 @@ def copy_from_template(template, dest, context):
         fp.write(ConfigFileTemplate(buf).substitute(context))
 
 
-def check_config_file(dest, interactive=False, upgrade=False, backup=False):
+def check_config_file(dest, interactive=False, upgrade=False, backup=False, restore=False):
     """Create a new installer config file if needed."""
     isPresent = True
     if os.path.exists(dest):
@@ -183,6 +183,12 @@ def check_config_file(dest, interactive=False, upgrade=False, backup=False):
         printcolor(
             "Your configuration file hasn't been found. A new one will be generated. "
             "Please edit it with correct password for the databases !", RED)
+    elif restore:
+        printcolor(
+            "You cannot restore an existing installation without a "
+            f"configuration file. (file : {dest} has not been found...", RED)
+        sys.exit(1)
+        
     printcolor(
         "Configuration file {} not found, creating new one."
         .format(dest), YELLOW)