[pytest] Convert control plane assisted warm-reboot test (wr_arp)

ansible/roles/test/files/helpers/ferret.py

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+../../../../../tests/arp/files/ferret.py

ansible/roles/test/templates/ferret.conf.j2

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+../../../../tests/templates/ferret.conf.j2

tests/arp/args/wr_arp_args.py

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+# WR-ARP Args file
+
+def add_wr_arp_args(parser):
+    '''
+        Adding arguments required for wr arp test cases
+
+       Args:
+            parser: pytest parser object
+
+        Returns:
+            None
+    '''
+    parser.addoption(
+        "--test_duration",
+        action="store",
+        type=int,
+        default=370,
+        help="Test duration",
+    )

tests/arp/conftest.py

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+from args.wr_arp_args import add_wr_arp_args
+
+# WR-ARP pytest arguments
+def pytest_addoption(parser):
+    '''
+        Adds option to FDB pytest
+
+        Args:
+            parser: pytest parser object
+
+        Returns:
+            None
+    '''
+    add_wr_arp_args(parser)

tests/arp/files/ferret.conf.j2

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+[program:ferret]
+command=/usr/bin/python /opt/ferret.py {{ ferret_args }}
+process_name=ferret
+stdout_logfile=/tmp/ferret.out.log
+stderr_logfile=/tmp/ferret.err.log
+redirect_stderr=false
+autostart=false
+autorestart=true
+startsecs=1
+numprocs=1