tests: adding ospfv3 base cases.

Covers basic test case like route map, rte calc.

Signed-off-by: nguggarigoud <nguggarigoud@vmware.com>

1 files changed, 482 insertions, 0 deletions

diff --git a/tests/topotests/ospfv3_basic_functionality/test_ospfv3_nssa2.py b/tests/topotests/ospfv3_basic_functionality/test_ospfv3_nssa2.py
new file mode 100644
index 0000000000..dc3b915d49
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+++ b/tests/topotests/ospfv3_basic_functionality/test_ospfv3_nssa2.py
@@ -0,0 +1,482 @@
+#!/usr/bin/python
+
+#
+# Copyright (c) 2021 by VMware, Inc. ("VMware")
+# Used Copyright (c) 2018 by Network Device Education Foundation, Inc.
+# ("NetDEF") in this file.
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND VMWARE DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+#
+
+
+"""OSPF Basic Functionality Automation."""
+import os
+import sys
+import time
+import pytest
+from copy import deepcopy
+import ipaddress
+from lib.ospf import (
+    verify_ospf6_neighbor,
+    config_ospf6_interface,
+    clear_ospf,
+    verify_ospf6_rib,
+    verify_ospf6_interface,
+    verify_ospf6_database,
+    create_router_ospf,
+)
+
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+from lib.topogen import Topogen, get_topogen
+
+from lib.bgp import (
+    verify_bgp_convergence,
+    create_router_bgp,
+    clear_bgp_and_verify,
+    verify_bgp_rib,
+)
+from lib.topolog import logger
+from lib.common_config import (
+    start_topology,
+    write_test_header,
+    write_test_footer,
+    reset_config_on_routers,
+    verify_rib,
+    create_static_routes,
+    step,
+    topo_daemons,
+    create_route_maps,
+    shutdown_bringup_interface,
+    create_interfaces_cfg,
+    check_router_status,
+)
+from ipaddress import IPv4Address
+from lib.topolog import logger
+from lib.topojson import build_config_from_json
+
+
+# Save the Current Working Directory to find configuration files.
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+
+pytestmark = [pytest.mark.ospfd, pytest.mark.staticd]
+
+# Global variables
+topo = None
+NETWORK = {
+    "ipv4": [
+        "11.0.20.1/32",
+        "11.0.20.2/32",
+        "11.0.20.3/32",
+        "11.0.20.4/32",
+        "11.0.20.5/32",
+    ],
+    "ipv6": [
+        "2011:0:20::1/128",
+        "2011:0:20::2/128",
+        "2011:0:20::3/128",
+        "2011:0:20::4/128",
+        "2011:0:20::5/128",
+    ],
+}
+"""
+TOPOOLOGY =
+      Please view in a fixed-width font such as Courier.
+      +---+  A1       +---+
+      +R1 +------------+R2 |
+      +-+-+-           +--++
+        |  --        --  |
+        |    -- A0 --    |
+      A0|      ----      |
+        |      ----      | A2
+        |    --    --    |
+        |  --        --  |
+      +-+-+-            +-+-+
+      +R0 +-------------+R3 |
+      +---+     A3     +---+
+
+
+
+TESTCASES =
+1. OSPF Learning - Verify OSPF can learn different types of LSA and
+   processes them.[Edge learning different types of LSAs]
+2. Verify that ospf non back bone area can be configured as NSSA area
+3. Verify that ospf NSSA area DUT is capable receiving & processing
+   Type7 N2 route.
+"""
+
+
+def setup_module(mod):
+    """
+    Sets up the pytest environment
+
+    * `mod`: module name
+    """
+    global topo
+    testsuite_run_time = time.asctime(time.localtime(time.time()))
+    logger.info("Testsuite start time: {}".format(testsuite_run_time))
+    logger.info("=" * 40)
+
+    logger.info("Running setup_module to create topology")
+
+    # This function initiates the topology build with Topogen...
+    json_file = "{}/ospfv3_nssa2.json".format(CWD)
+    tgen = Topogen(json_file, mod.__name__)
+    global topo
+    topo = tgen.json_topo
+    # ... and here it calls Mininet initialization functions.
+
+    # get list of daemons needs to be started for this suite.
+    daemons = topo_daemons(tgen, topo)
+
+    # Starting topology, create tmp files which are loaded to routers
+    #  to start deamons and then start routers
+    start_topology(tgen, daemons)
+
+    # Creating configuration from JSON
+    build_config_from_json(tgen, topo)
+
+    # Don't run this test if we have any failure.
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    # Api call verify whether OSPF is converged
+    ospf_covergence = verify_ospf6_neighbor(tgen, topo)
+    assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
+        ospf_covergence
+    )
+
+    logger.info("Running setup_module() done")
+
+
+def teardown_module():
+    """Teardown the pytest environment."""
+    logger.info("Running teardown_module to delete topology")
+
+    tgen = get_topogen()
+
+    # Stop toplogy and Remove tmp files
+    tgen.stop_topology()
+
+
+def red_static(dut, config=True):
+    """Local def for Redstribute static routes inside ospf."""
+    global topo
+    tgen = get_topogen()
+    if config:
+        ospf_red = {dut: {"ospf6": {"redistribute": [{"redist_type": "static"}]}}}
+    else:
+        ospf_red = {
+            dut: {
+                "ospf6": {"redistribute": [{"redist_type": "static", "delete": True}]}
+            }
+        }
+    result = create_router_ospf(tgen, topo, ospf_red)
+    assert result is True, "Testcase : Failed \n Error: {}".format(result)
+
+
+def red_connected(dut, config=True):
+    """Local def for Redstribute connected routes inside ospf."""
+    global topo
+    tgen = get_topogen()
+    if config:
+        ospf_red = {dut: {"ospf6": {"redistribute": [{"redist_type": "connected"}]}}}
+    else:
+        ospf_red = {
+            dut: {
+                "ospf6": {
+                    "redistribute": [{"redist_type": "connected", "del_action": True}]
+                }
+            }
+        }
+    result = create_router_ospf(tgen, topo, ospf_red)
+    assert result is True, "Testcase: Failed \n Error: {}".format(result)
+
+
+# ##################################
+# Test cases start here.
+# ##################################
+
+
+def test_ospfv3_nssa_tc26_p0(request):
+    """Verify that ospf non back bone area can be configured as NSSA area"""
+    tc_name = request.node.name
+    write_test_header(tc_name)
+    tgen = get_topogen()
+
+    # Don't run this test if we have any failure.
+    if tgen.routers_have_failure():
+        check_router_status(tgen)
+
+    global topo
+    step("Bring up the base config as per the topology")
+    step("Configure ospf area 2 on r0 , r1 & r4, make the area 2 as NSSA area")
+
+    reset_config_on_routers(tgen)
+
+    input_dict = {
+        "r2": {
+            "static_routes": [
+                {"network": NETWORK["ipv6"][0], "no_of_ip": 5, "next_hop": "Null0"}
+            ]
+        }
+    }
+    result = create_static_routes(tgen, input_dict)
+    assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+    step("Redistribute static route in R2 ospf.")
+    dut = "r2"
+    red_static(dut)
+
+    step("Verify that Type 5 LSA is originated by R2.")
+    dut = "r0"
+    protocol = "ospf6"
+    result = verify_rib(tgen, "ipv6", dut, input_dict, protocol=protocol)
+    assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+    step("Un configure redistribute command in R4")
+    dut = "r2"
+    red_static(dut, config=False)
+
+    input_dict = {
+        "r1": {
+            "static_routes": [
+                {"network": NETWORK["ipv6"][0], "no_of_ip": 1, "routeType": "Network"}
+            ]
+        }
+    }
+
+    step("Configure area 0 on interface of r2 connecting to r1")
+
+    input_dict = {
+        "r2": {
+            "links": {
+                "r1": {
+                    "interface": topo["routers"]["r2"]["links"]["r1"]["interface"],
+                    "ospf6": {"area": "0.0.0.2"},
+                    "delete": True,
+                }
+            }
+        }
+    }
+
+    result = create_interfaces_cfg(tgen, input_dict)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    input_dict = {
+        "r2": {
+            "links": {
+                "r1": {
+                    "interface": topo["routers"]["r2"]["links"]["r1"]["interface"],
+                    "ospf6": {"area": "0.0.0.0"},
+                }
+            }
+        }
+    }
+
+    result = create_interfaces_cfg(tgen, input_dict)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    step("verify that ospf neighbor goes down between r2 and r1.")
+    result = verify_ospf6_neighbor(tgen, topo, dut="r2", expected=False)
+    assert (
+        result is not True
+    ), "Testcase {} : Failed \n Nbrs are not down" "Error: {}".format(tc_name, result)
+
+    step("Now configure area 0 on interface of r1 connecting to r2.")
+
+    input_dict = {
+        "r1": {
+            "links": {
+                "r2": {
+                    "interface": topo["routers"]["r1"]["links"]["r2"]["interface"],
+                    "ospf6": {"area": "0.0.0.2"},
+                    "delete": True,
+                }
+            }
+        }
+    }
+
+    result = create_interfaces_cfg(tgen, input_dict)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    input_dict = {
+        "r1": {
+            "links": {
+                "r2": {
+                    "interface": topo["routers"]["r1"]["links"]["r2"]["interface"],
+                    "ospf6": {"area": "0.0.0.0"},
+                }
+            }
+        }
+    }
+
+    result = create_interfaces_cfg(tgen, input_dict)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    step("Verify that ospf neighbour comes up between r2 and r1.")
+    result = verify_ospf6_neighbor(tgen, topo, dut="r2")
+    assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+    step("Configure area 2 on interface of r2 connecting to r1.")
+
+    input_dict = {
+        "r2": {
+            "links": {
+                "r1": {
+                    "interface": topo["routers"]["r2"]["links"]["r1"]["interface"],
+                    "ospf6": {"area": "0.0.0.0"},
+                    "delete": True,
+                }
+            }
+        }
+    }
+
+    result = create_interfaces_cfg(tgen, input_dict)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    input_dict = {
+        "r2": {
+            "links": {
+                "r1": {
+                    "interface": topo["routers"]["r2"]["links"]["r1"]["interface"],
+                    "ospf6": {"area": "0.0.0.2"},
+                }
+            }
+        }
+    }
+
+    result = create_interfaces_cfg(tgen, input_dict)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    step("verify that ospf neighbor goes down between r2 and r1.")
+    result = verify_ospf6_neighbor(tgen, topo, dut="r2", expected=False)
+    assert (
+        result is not True
+    ), "Testcase {} : Failed \n Nbrs are not down" "Error: {}".format(tc_name, result)
+
+    step("Now configure area 2 on interface of r1 connecting to r2.")
+
+    input_dict = {
+        "r1": {
+            "links": {
+                "r2": {
+                    "interface": topo["routers"]["r1"]["links"]["r2"]["interface"],
+                    "ospf6": {"area": "0.0.0.0"},
+                    "delete": True,
+                }
+            }
+        }
+    }
+
+    result = create_interfaces_cfg(tgen, input_dict)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    input_dict = {
+        "r1": {
+            "links": {
+                "r2": {
+                    "interface": topo["routers"]["r1"]["links"]["r2"]["interface"],
+                    "ospf6": {"area": "0.0.0.2"},
+                }
+            }
+        }
+    }
+
+    result = create_interfaces_cfg(tgen, input_dict)
+    assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
+
+    step("Verify that ospf neighbour comes up between r2 and r1.")
+    result = verify_ospf6_neighbor(tgen, topo, dut="r2")
+    assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+    write_test_footer(tc_name)
+
+
+# As per internal discussion, this script has to be removed as translator
+# function is not supported, for more details kindly check this PR 2565570
+def ospfv3_nssa_tc27_p0(request):
+    """
+    OSPF NSSA.
+
+    Verify that ospf NSSA area DUT is capable receiving & processing
+    Type7 N2 route.
+    """
+    tc_name = request.node.name
+    write_test_header(tc_name)
+    tgen = get_topogen()
+
+    # Don't run this test if we have any failure.
+    if tgen.routers_have_failure():
+        check_router_status(tgen)
+
+    global topo
+    step("Bring up the base config as per the topology")
+    step("Configure ospf area 2 on r0 , r1 & r4, make the area 2 as NSSA area")
+
+    reset_config_on_routers(tgen)
+
+    input_dict = {
+        "r2": {
+            "static_routes": [
+                {"network": NETWORK["ipv6"][0], "no_of_ip": 5, "next_hop": "Null0"}
+            ]
+        }
+    }
+    result = create_static_routes(tgen, input_dict)
+    assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+    step("Redistribute static route in R2 ospf.")
+    dut = "r2"
+    red_static(dut)
+
+    step("Verify that Type 5 LSA is originated by R2.")
+    dut = "r0"
+    protocol = "ospf6"
+    result = verify_rib(tgen, "ipv6", dut, input_dict, protocol=protocol)
+    assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
+
+    step("Un configure redistribute command in R4")
+    dut = "r2"
+    red_static(dut, config=False)
+
+    input_dict = {
+        "r1": {
+            "static_routes": [
+                {"network": NETWORK["ipv6"][0], "no_of_ip": 1, "routeType": "Network"}
+            ]
+        }
+    }
+
+    dut = "r0"
+    result = verify_ospf6_rib(tgen, dut, input_dict, expected=False)
+    assert result is not True, "Testcase {} : Failed \n Error: {}".format(
+        tc_name, result
+    )
+
+    result = verify_rib(
+        tgen, "ipv6", dut, input_dict, protocol=protocol, expected=False
+    )
+    assert result is not True, "Testcase {} : Failed \n Error: {}".format(
+        tc_name, result
+    )
+
+    write_test_footer(tc_name)
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))