handled the priority of ACL rules to be case insensitive (sonic-net#918)

* handled the priority of ACL rules to be case insensitive

* addressed code review comments of keyword Priority combinations and added a separate test case

Co-authored-by: Madhan Babu <[email protected]>

Author: madhanmellanox

acl_loader/main.py

@@ -762,7 +762,11 @@ def show_rule(self, table_name, rule_id):
         header = ("Table", "Rule", "Priority", "Action", "Match")
 
         def pop_priority(val):
-            priority  = val.pop("PRIORITY")
+            priority = "N/A"
+            for key in dict(val):
+                if (key.upper() == "PRIORITY"):
+                    priority  = val.pop(key)
+                    return priority
             return priority
 
         def pop_action(val):

scripts/aclshow

@@ -169,8 +169,12 @@ class AclStat(object):
                     self.get_counter_value(rule_key, 'packets') == 'N/A'):
                 continue
             rule = self.acl_rules[rule_key]
+            rule_priority = -1
+            for key,val in rule.items():
+                if key.upper() == "PRIORITY":
+                    rule_priority = val
             line = [rule_key[1], rule_key[0],
-                    rule['PRIORITY'],
+                    rule_priority,
                     self.get_counter_value(rule_key, 'packets'),
                     self.get_counter_value(rule_key, 'bytes')]
             aclstat.append(line)

sonic-utilities-tests/aclshow_test.py

@@ -24,6 +24,7 @@
 RULE_4        DATAACL         9996              401            400
 RULE_7        DATAACL         9993              701            700
 RULE_9        DATAACL         9991              901            900
+RULE_10       DATAACL         9989             1001           1000
 DEFAULT_RULE  DATAACL            1                2              1
 RULE_6        EVERFLOW        9994              601            600
 """
@@ -39,6 +40,7 @@
 RULE_05       DATAACL         9995                0              0
 RULE_7        DATAACL         9993              701            700
 RULE_9        DATAACL         9991              901            900
+RULE_10       DATAACL         9989             1001           1000
 DEFAULT_RULE  DATAACL            1                2              1
 RULE_6        EVERFLOW        9994              601            600
 RULE_08       EVERFLOW        9992                0              0
@@ -51,6 +53,13 @@
 RULE_1       DATAACL         9999              101            100
 """
 
+# Expected output for aclshow -r RULE_1 -t DATAACL
+rule10_dataacl_output = '' + \
+"""RULE NAME    TABLE NAME      PRIO    PACKETS COUNT    BYTES COUNT
+-----------  ------------  ------  ---------------  -------------
+RULE_10      DATAACL         9989             1001           1000
+"""
+
 # Expected output for aclshow -a -r RULE_05
 rule05_all_output = ''+ \
 """RULE NAME    TABLE NAME      PRIO    PACKETS COUNT    BYTES COUNT
@@ -68,7 +77,7 @@
 rule4_rule6_verbose_output = '' + \
 """Reading ACL info...
 Total number of ACL Tables: 5
-Total number of ACL Rules: 10
+Total number of ACL Rules: 11
 
 RULE NAME    TABLE NAME      PRIO    PACKETS COUNT    BYTES COUNT
 -----------  ------------  ------  ---------------  -------------
@@ -93,6 +102,7 @@
 RULE_4        DATAACL         9996              401            400
 RULE_7        DATAACL         9993              701            700
 RULE_9        DATAACL         9991              901            900
+RULE_10       DATAACL         9989             1001           1000
 DEFAULT_RULE  DATAACL            1                2              1
 """
 
@@ -111,6 +121,7 @@
 RULE_05       DATAACL         9995                0              0
 RULE_7        DATAACL         9993                0              0
 RULE_9        DATAACL         9991                0              0
+RULE_10       DATAACL         9989                0              0
 DEFAULT_RULE  DATAACL            1                0              0
 RULE_6        EVERFLOW        9994                0              0
 RULE_08       EVERFLOW        9992                0              0
@@ -184,6 +195,11 @@ def test_rule0():
     test = Aclshow(all = None, clear = None, rules = 'RULE_0', tables = None, verbose = None)
     assert test.result.getvalue() == rule0_output
 
+# aclshow -r RULE_10 -t DATAACL
+def test_rule10_lowercase_priority():
+    test = Aclshow(all = None, clear = None, rules = 'RULE_10', tables = 'DATAACL', verbose = None)
+    assert test.result.getvalue() == rule10_dataacl_output
+
 # aclshow -r RULE_4,RULE_6 -vv
 def test_rule4_rule6_verbose():
     test = Aclshow(all = None, clear = None, rules = 'RULE_4,RULE_6', tables = None, verbose = True)

sonic-utilities-tests/mock_tables/config_db.json

@@ -93,6 +93,11 @@
             "L4_DST_PORT": "4661",
             "PACKET_ACTION": "FORWARD",
             "PRIORITY": "9991"
+    },
+    "ACL_RULE|DATAACL|RULE_10": {
+            "PACKET_ACTION": "DROP",
+            "priority": "9989",
+            "SRC_IP": "10.0.0.3/32"
     },
      "ACL_TABLE|DATAACL": {
             "policy_desc": "DATAACL",

sonic-utilities-tests/mock_tables/counters_db.json

@@ -115,6 +115,10 @@
             "Bytes": "900",
             "Packets": "901"
     },
+    "COUNTERS:DATAACL:RULE_10": {
+            "Bytes": "1000",
+            "Packets": "1001"
+    },
     "COUNTERS:oid:0x1000000000002": {
         "SAI_PORT_STAT_IF_IN_ERRORS": "10",
         "SAI_PORT_STAT_IF_IN_DISCARDS": "100",