No more IP validation as it is more likely a URL (sonic-net#1555)

Dropped IP validation as server takes URL.

config/kube.py

@@ -1,5 +1,4 @@
 import click
-import socket
 
 from utilities_common.cli import AbbreviationGroup, pass_db
 
@@ -21,22 +20,6 @@
 KUBE_LABEL_TABLE = "KUBE_LABELS"
 KUBE_LABEL_SET_KEY = "SET"
 
-def is_valid_ip4_addr(address):
-    try:
-        socket.inet_pton(socket.AF_INET, address)
-    except socket.error:  # not a valid address
-        return False
-    return True
-
-
-def is_valid_ip6_addr(address):
-    try:
-        socket.inet_pton(socket.AF_INET6, address)
-    except socket.error:  # not a valid address
-        return False
-    return True
-
-
 def _update_kube_server(db, field, val):
     db_data = db.cfgdb.get_entry(KUBE_SERVER_TABLE_NAME, KUBE_SERVER_TABLE_KEY)
     def_data = {
@@ -82,9 +65,7 @@ def server():
 @pass_db
 def ip(db, vip):
     """Specify a kubernetes cluster VIP"""
-    if vip and not is_valid_ip4_addr(vip) and not is_valid_ip6_addr(vip):
-        click.echo('Invalid IP address %s' % vip)
-        sys.exit(1)
+
     _update_kube_server(db, KUBE_SERVER_IP, vip)
 
 

tests/kube_test.py

@@ -125,15 +125,11 @@ def test_set_server_ip(self, get_cmd_module):
         self.__check_res(result, "check server IP", show_server_output_1)
 
 
-    def test_set_server_invalid_ip_port(self, get_cmd_module):
+    def test_set_server_invalid_port(self, get_cmd_module):
         (config, show) = get_cmd_module
         db = Db()
         runner = CliRunner()
 
-        # test invalid IP
-        result = runner.invoke(config.config.commands["kubernetes"].commands["server"], ["ip", "10101011"], obj=db)
-        assert result.exit_code == 1
-
         # test invalid port
         result = runner.invoke(config.config.commands["kubernetes"].commands["server"], ["port", "10101011"], obj=db)
         assert result.exit_code == 1