take the update server url from the config

Change-Id: I9960cbc0b0c9037a1c9cf0ef7a9699bb09ad054e

bin/update/config.py

@@ -9,6 +9,7 @@ class Config(object):
         self.channel = None
         self.base_url = None
         self.upload_url = None
+        self.server_url = None
 
 def parse_config(config_file):
     config = configparser.ConfigParser()
@@ -21,5 +22,6 @@ def parse_config(config_file):
     data.certificate_path = updater_data['certificate-path']
     data.channel = updater_data['channel']
     data.upload_url = updater_data['upload-url']
+    data.server_url = updater_data["ServerURL"]
 
     return data

bin/update/create_partial_update.py

@@ -55,7 +55,7 @@ def handle_language(lang_entries, filedir):
 
 def download_mar_for_update_channel_and_platform(config, platform, temp_dir):
     mar = os.environ.get('MAR', 'mar')
-    base_url = "http://updater.libreofficecrash.org/update/partial-targets/1/"
+    base_url = config.server_url + "update/partial-targets/1/"
     url = base_url + platform + "/" + config.channel
     r = requests.get(url)
     if r.status_code is not 200: