L2SS-742: By default use the TANGO_HOST as configured already

tangostationcontrol/tangostationcontrol/test/toolkit/test_archiver_util.py

@@ -22,12 +22,12 @@ class TestArchiverUtil(base.TestCase):
     
     def test_device_fqdn(self):
         """Test if a device name is correctly converted in a Tango FQDN"""
-        self.assertEqual(f"tango://databaseds:10000/{self.device_name}".lower(), device_fqdn(self.device_name))
+        self.assertEqual(f"tango://databaseds:10000/{self.device_name}".lower(), device_fqdn(self.device_name, "databaseds:10000"))
 
     def test_attribute_fqdn(self):
         """Test if an attribute name is correctly converted in a Tango FQDN"""
         self.assertEqual(f"tango://databaseds:10000/{self.device_name}/{self.attribute_name}".lower(), 
-                            attribute_fqdn(f"{self.device_name}/{self.attribute_name}"))
+                            attribute_fqdn(f"{self.device_name}/{self.attribute_name}", "databaseds:10000"))
         self.assertRaises(ValueError, lambda: attribute_fqdn(self.attribute_name))
     
     def test_split_tango_name(self):

tangostationcontrol/tangostationcontrol/toolkit/archiver_util.py

@@ -6,6 +6,7 @@
 
 from tango import DeviceProxy, CmdArgType
 import re
+import os
 
 """
 A dictionary whose keys are the Tango datatypes mapping, and the values are the relative byte size
@@ -21,6 +22,8 @@ DATATYPES_SIZE_DICT = {CmdArgType.DevBoolean:1, CmdArgType.DevShort:2, CmdArgTyp
     CmdArgType.DevULong64:8,CmdArgType.DevVarLong64Array:None,CmdArgType.DevVarULong64Array:None, CmdArgType.DevInt:4,CmdArgType.DevEncoded:None, 
     CmdArgType.DevEnum:None, CmdArgType.DevPipeBlob:None}
 
+TANGO_HOST = os.environ.get("TANGO_HOST", None)
+
 def get_db_config(device_name:str) -> dict:
     """
     Retrieve the DB credentials from the Tango properties of Configuration Manager or EventSubscribers
@@ -46,7 +49,7 @@ def get_attribute_from_fqdn(attribute_name:str):
 
     return attribute_name
 
-def device_fqdn(device_name:str, tango_host:str = 'databaseds:10000'):
+def device_fqdn(device_name:str, tango_host:str = TANGO_HOST):
     """
     For some operations Tango devices must be transformed from the form 'domain/family/name'
     to 'tango://db:port/domain/family/name'
@@ -59,7 +62,7 @@ def device_fqdn(device_name:str, tango_host:str = 'databaseds:10000'):
 
     return f"tango://{tango_host}/{device_name}".lower()
 
-def attribute_fqdn(attribute_name:str, tango_host:str = 'databaseds:10000'):
+def attribute_fqdn(attribute_name:str, tango_host:str = TANGO_HOST):
     """
     For some operations Tango devices must be transformed from the form 'domain/family/name/attribute'
     to 'tango://db:port/domain/family/name/attribute'