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tests: Adding timers and bgp 4 bytes ASN test
Signed-off-by: Ashish Pant <ashish12pant@gmail.com> Adding verify and config apis for bgp timer testcase Adding verify and config apis for changing ASN to 4 bytes
This commit is contained in:
Ashish Pant
parent
e6db2bb135
commit
77ef1af6e3
@ -53,11 +53,13 @@ from mininet.topo import Topo
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from lib.common_config import (
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from lib.common_config import (
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start_topology, stop_topology, write_test_header,
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start_topology, stop_topology, write_test_header,
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write_test_footer
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write_test_footer, reset_config_on_routers
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)
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)
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from lib.topolog import logger
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from lib.topolog import logger
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from lib.bgp import (
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from lib.bgp import (
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verify_bgp_convergence, create_router_bgp, verify_router_id
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verify_bgp_convergence, create_router_bgp, verify_router_id,
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modify_as_number, verify_as_numbers, clear_bgp_and_verify,
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verify_bgp_timers_and_functionality
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)
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)
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from lib.topojson import build_topo_from_json, build_config_from_json
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from lib.topojson import build_topo_from_json, build_config_from_json
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@ -209,6 +211,106 @@ def test_modify_and_delete_router_id(request):
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write_test_footer(tc_name)
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write_test_footer(tc_name)
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def test_bgp_config_with_4byte_as_number(request):
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"""
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Configure BGP with 4 byte ASN and verify it works fine
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"""
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tgen = get_topogen()
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if BGP_CONVERGENCE is not True:
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pytest.skip('skipped because of BGP Convergence failure')
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# test case name
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tc_name = request.node.name
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write_test_header(tc_name)
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input_dict = {
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"r1": {
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"bgp": {
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"local_as": 131079
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}
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},
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"r2": {
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"bgp": {
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"local_as": 131079
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}
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},
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"r3": {
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"bgp": {
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"local_as": 131079
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}
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},
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"r4": {
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"bgp": {
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"local_as": 131080
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}
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}
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}
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result = modify_as_number(tgen, topo, input_dict)
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assert result is True, "Testcase {} :Failed \n Error: {}". \
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format(tc_name, result)
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result = verify_as_numbers(tgen, topo, input_dict)
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assert result is True, "Testcase {} :Failed \n Error: {}". \
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format(tc_name, result)
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write_test_footer(tc_name)
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def test_bgp_timers_functionality(request):
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"""
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Test to modify bgp timers and verify timers functionality.
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"""
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tgen = get_topogen()
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if BGP_CONVERGENCE is not True:
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pytest.skip('skipped because of BGP Convergence failure')
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# test case name
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tc_name = request.node.name
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write_test_header(tc_name)
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# Creating configuration from JSON
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reset_config_on_routers(tgen)
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# Api call to modfiy BGP timerse
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input_dict = {
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"r1": {
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"bgp": {
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"address_family": {
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"ipv4": {
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"unicast": {
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"neighbor": {
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"r2": {
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"dest_link":{
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"r1": {
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"keepalivetimer": 60,
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"holddowntimer": 180,
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}
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}
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}
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}
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}
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}
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}
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}
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}
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}
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result = create_router_bgp(tgen, topo, deepcopy(input_dict))
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assert result is True, "Testcase {} :Failed \n Error: {}". \
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format(tc_name, result)
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# Api call to clear bgp, so timer modification would take place
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clear_bgp_and_verify(tgen, topo, 'r1')
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# Verifying bgp timers functionality
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result = verify_bgp_timers_and_functionality(tgen, topo, input_dict)
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assert result is True, "Testcase {} :Failed \n Error: {}". \
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format(tc_name, result)
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write_test_footer(tc_name)
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if __name__ == '__main__':
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if __name__ == '__main__':
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args = ["-s"] + sys.argv[1:]
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args = ["-s"] + sys.argv[1:]
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sys.exit(pytest.main(args))
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sys.exit(pytest.main(args))
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@ -694,3 +694,565 @@ def verify_bgp_convergence(tgen, topo):
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logger.info("Exiting API: verify_bgp_confergence()")
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logger.info("Exiting API: verify_bgp_confergence()")
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return True
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return True
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def modify_as_number(tgen, topo, input_dict):
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"""
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API reads local_as and remote_as from user defined input_dict and
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modify router"s ASNs accordingly. Router"s config is modified and
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recent/changed config is loadeded to router.
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Parameters
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----------
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* `tgen` : Topogen object
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* `topo` : json file data
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* `input_dict` : defines for which router ASNs needs to be modified
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Usage
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-----
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To modify ASNs for router r1
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input_dict = {
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"r1": {
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"bgp": {
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"local_as": 131079
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}
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}
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result = modify_as_number(tgen, topo, input_dict)
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Returns
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-------
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errormsg(str) or True
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"""
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logger.info("Entering lib API: modify_as_number()")
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try:
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new_topo = deepcopy(topo["routers"])
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router_dict = {}
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for router in input_dict.keys():
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# Remove bgp configuration
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router_dict.update({
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router: {
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"bgp": {
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"delete": True
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}
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}
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})
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new_topo[router]["bgp"]["local_as"] = \
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input_dict[router]["bgp"]["local_as"]
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logger.info("Removing bgp configuration")
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create_router_bgp(tgen, topo, router_dict)
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logger.info("Applying modified bgp configuration")
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create_router_bgp(tgen, new_topo)
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except Exception as e:
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# handle any exception
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logger.error("Error %s occured. Arguments %s.", e.message, e.args)
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# Traceback
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errormsg = traceback.format_exc()
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logger.error(errormsg)
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return errormsg
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logger.info("Exiting lib API: modify_as_number()")
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return True
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def verify_as_numbers(tgen, topo, input_dict):
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"""
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This API is to verify AS numbers for given DUT by running
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"show ip bgp neighbor json" command. Local AS and Remote AS
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will ve verified with input_dict data and command output.
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Parameters
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----------
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* `tgen`: topogen object
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* `topo`: input json file data
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* `addr_type` : ip type, ipv4/ipv6
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* `input_dict`: defines - for which router, AS numbers needs to be verified
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Usage
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-----
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input_dict = {
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"r1": {
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"bgp": {
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"local_as": 131079
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}
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}
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}
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result = verify_as_numbers(tgen, topo, addr_type, input_dict)
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Returns
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-------
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errormsg(str) or True
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"""
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logger.info("Entering lib API: verify_as_numbers()")
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for router in input_dict.keys():
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if router not in tgen.routers():
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continue
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rnode = tgen.routers()[router]
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logger.info("Verifying AS numbers for dut %s:", router)
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show_ip_bgp_neighbor_json = rnode.vtysh_cmd(
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"show ip bgp neighbor json", isjson=True)
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local_as = input_dict[router]["bgp"]["local_as"]
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bgp_addr_type = topo["routers"][router]["bgp"]["address_family"]
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for addr_type in bgp_addr_type:
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if not check_address_types(addr_type):
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continue
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bgp_neighbors = bgp_addr_type[addr_type]["unicast"][
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"neighbor"]
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for bgp_neighbor, peer_data in bgp_neighbors.iteritems():
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remote_as = input_dict[bgp_neighbor]["bgp"]["local_as"]
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for dest_link, peer_dict in peer_data["dest_link"].iteritems():
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neighbor_ip = None
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data = topo["routers"][bgp_neighbor]["links"]
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if dest_link in data:
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neighbor_ip = data[dest_link][addr_type]. \
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split("/")[0]
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neigh_data = show_ip_bgp_neighbor_json[neighbor_ip]
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# Verify Local AS for router
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if neigh_data["localAs"] != local_as:
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errormsg = "Failed: Verify local_as for dut {}," \
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" found: {} but expected: {}".format(
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router, neigh_data["localAs"],
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local_as)
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return errormsg
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else:
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logger.info("Verified local_as for dut %s, found"
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" expected: %s", router, local_as)
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# Verify Remote AS for neighbor
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if neigh_data["remoteAs"] != remote_as:
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errormsg = "Failed: Verify remote_as for dut " \
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"{}'s neighbor {}, found: {} but " \
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"expected: {}".format(
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router, bgp_neighbor,
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neigh_data["remoteAs"], remote_as)
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return errormsg
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else:
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logger.info("Verified remote_as for dut %s's "
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"neighbor %s, found expected: %s",
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router, bgp_neighbor, remote_as)
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logger.info("Exiting lib API: verify_AS_numbers()")
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return True
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def clear_bgp_and_verify(tgen, topo, router):
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"""
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This API is to clear bgp neighborship and verify bgp neighborship
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is coming up(BGP is converged) usinf "show bgp summary json" command
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and also verifying for all bgp neighbors uptime before and after
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clear bgp sessions is different as the uptime must be changed once
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bgp sessions are cleared using "clear ip bgp */clear bgp ipv6 *" cmd.
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Parameters
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----------
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* `tgen`: topogen object
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* `topo`: input json file data
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* `router`: device under test
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Usage
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-----
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result = clear_bgp_and_verify(tgen, topo, addr_type, dut)
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Returns
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-------
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errormsg(str) or True
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"""
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logger.info("Entering lib API: clear_bgp_and_verify()")
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if router not in tgen.routers():
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return False
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rnode = tgen.routers()[router]
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peer_uptime_before_clear_bgp = {}
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# Verifying BGP convergence before bgp clear command
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for retry in range(1, 11):
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show_bgp_json = rnode.vtysh_cmd("show bgp summary json",
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isjson=True)
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logger.info(show_bgp_json)
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# Verifying output dictionary show_bgp_json is empty or not
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if not bool(show_bgp_json):
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errormsg = "BGP is not running"
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return errormsg
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sleeptime = 2 * retry
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if sleeptime <= BGP_CONVERGENCE_TIMEOUT:
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# Waiting for BGP to converge
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logger.info("Waiting for %s sec for BGP to converge on router"
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" %s...", sleeptime, router)
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sleep(sleeptime)
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else:
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errormsg = "TIMEOUT!! BGP is not converged in {} seconds for" \
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" router {}".format(BGP_CONVERGENCE_TIMEOUT, router)
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return errormsg
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# To find neighbor ip type
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bgp_addr_type = topo["routers"][router]["bgp"]["address_family"]
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for addr_type in bgp_addr_type.keys():
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total_peer = 0
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if not check_address_types(addr_type):
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continue
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bgp_neighbors = bgp_addr_type[addr_type]["unicast"]["neighbor"]
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for bgp_neighbor in bgp_neighbors:
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total_peer += len(bgp_neighbors[bgp_neighbor]["dest_link"])
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for addr_type in bgp_addr_type:
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bgp_neighbors = bgp_addr_type[addr_type]["unicast"]["neighbor"]
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no_of_peer = 0
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for bgp_neighbor, peer_data in bgp_neighbors.iteritems():
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for dest_link, peer_dict in peer_data["dest_link"].iteritems():
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data = topo["routers"][bgp_neighbor]["links"]
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if dest_link in data:
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neighbor_ip = data[dest_link][addr_type].split(
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"/")[0]
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if addr_type == "ipv4":
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ipv4_data = show_bgp_json["ipv4Unicast"][
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"peers"]
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nh_state = ipv4_data[neighbor_ip]["state"]
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# Peer up time dictionary
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peer_uptime_before_clear_bgp[bgp_neighbor] = \
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ipv4_data[neighbor_ip]["peerUptime"]
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else:
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ipv6_data = show_bgp_json["ipv6Unicast"][
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"peers"]
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nh_state = ipv6_data[neighbor_ip]["state"]
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# Peer up time dictionary
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peer_uptime_before_clear_bgp[bgp_neighbor] = \
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ipv6_data[neighbor_ip]["peerUptime"]
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if nh_state == "Established":
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no_of_peer += 1
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if no_of_peer == total_peer:
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logger.info("BGP is Converged for router %s before bgp"
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" clear", router)
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break
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else:
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logger.warning("BGP is not yet Converged for router %s "
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"before bgp clear", router)
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# Clearing BGP
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||||||
|
logger.info("Clearing BGP neighborship for router %s..", router)
|
||||||
|
for addr_type in bgp_addr_type.keys():
|
||||||
|
if addr_type == "ipv4":
|
||||||
|
rnode.vtysh_cmd("clear ip bgp *")
|
||||||
|
elif addr_type == "ipv6":
|
||||||
|
rnode.vtysh_cmd("clear bgp ipv6 *")
|
||||||
|
|
||||||
|
peer_uptime_after_clear_bgp = {}
|
||||||
|
# Verifying BGP convergence after bgp clear command
|
||||||
|
for retry in range(1, 11):
|
||||||
|
show_bgp_json = rnode.vtysh_cmd("show bgp summary json",
|
||||||
|
isjson=True)
|
||||||
|
# Verifying output dictionary show_bgp_json is empty or not
|
||||||
|
if not bool(show_bgp_json):
|
||||||
|
errormsg = "BGP is not running"
|
||||||
|
return errormsg
|
||||||
|
|
||||||
|
sleeptime = 2 * retry
|
||||||
|
if sleeptime <= BGP_CONVERGENCE_TIMEOUT:
|
||||||
|
# Waiting for BGP to converge
|
||||||
|
logger.info("Waiting for %s sec for BGP to converge on router"
|
||||||
|
" %s...", sleeptime, router)
|
||||||
|
sleep(sleeptime)
|
||||||
|
else:
|
||||||
|
errormsg = "TIMEOUT!! BGP is not converged in {} seconds for" \
|
||||||
|
" router {}".format(BGP_CONVERGENCE_TIMEOUT, router)
|
||||||
|
return errormsg
|
||||||
|
|
||||||
|
# To find neighbor ip type
|
||||||
|
bgp_addr_type = topo["routers"][router]["bgp"]["address_family"]
|
||||||
|
|
||||||
|
for addr_type in bgp_addr_type.keys():
|
||||||
|
total_peer = 0
|
||||||
|
if not check_address_types(addr_type):
|
||||||
|
continue
|
||||||
|
|
||||||
|
bgp_neighbors = bgp_addr_type[addr_type]["unicast"]["neighbor"]
|
||||||
|
|
||||||
|
for bgp_neighbor in bgp_neighbors:
|
||||||
|
total_peer += len(bgp_neighbors[bgp_neighbor]["dest_link"])
|
||||||
|
|
||||||
|
for addr_type in bgp_addr_type:
|
||||||
|
bgp_neighbors = bgp_addr_type[addr_type]["unicast"]["neighbor"]
|
||||||
|
no_of_peer = 0
|
||||||
|
|
||||||
|
for bgp_neighbor, peer_data in bgp_neighbors.iteritems():
|
||||||
|
for dest_link, peer_dict in peer_data["dest_link"].iteritems():
|
||||||
|
data = topo["routers"][bgp_neighbor]["links"]
|
||||||
|
|
||||||
|
if dest_link in data:
|
||||||
|
neighbor_ip = data[dest_link][addr_type]. \
|
||||||
|
split("/")[0]
|
||||||
|
if addr_type == "ipv4":
|
||||||
|
ipv4_data = show_bgp_json["ipv4Unicast"][
|
||||||
|
"peers"]
|
||||||
|
nh_state = ipv4_data[neighbor_ip]["state"]
|
||||||
|
peer_uptime_after_clear_bgp[bgp_neighbor] = \
|
||||||
|
ipv4_data[neighbor_ip]["peerUptime"]
|
||||||
|
else:
|
||||||
|
ipv6_data = show_bgp_json["ipv6Unicast"][
|
||||||
|
"peers"]
|
||||||
|
nh_state = ipv6_data[neighbor_ip]["state"]
|
||||||
|
# Peer up time dictionary
|
||||||
|
peer_uptime_after_clear_bgp[bgp_neighbor] = \
|
||||||
|
ipv6_data[neighbor_ip]["peerUptime"]
|
||||||
|
|
||||||
|
if nh_state == "Established":
|
||||||
|
no_of_peer += 1
|
||||||
|
|
||||||
|
if no_of_peer == total_peer:
|
||||||
|
logger.info("BGP is Converged for router %s after bgp clear",
|
||||||
|
router)
|
||||||
|
break
|
||||||
|
else:
|
||||||
|
logger.warning("BGP is not yet Converged for router %s after"
|
||||||
|
" bgp clear", router)
|
||||||
|
|
||||||
|
# Compariung peerUptime dictionaries
|
||||||
|
if peer_uptime_before_clear_bgp != peer_uptime_after_clear_bgp:
|
||||||
|
logger.info("BGP neighborship is reset after clear BGP on router %s",
|
||||||
|
router)
|
||||||
|
else:
|
||||||
|
errormsg = "BGP neighborship is not reset after clear bgp on router" \
|
||||||
|
" {}".format(router)
|
||||||
|
return errormsg
|
||||||
|
|
||||||
|
logger.info("Exiting lib API: clear_bgp_and_verify()")
|
||||||
|
return True
|
||||||
|
|
||||||
|
|
||||||
|
def verify_bgp_timers_and_functionality(tgen, topo, input_dict):
|
||||||
|
"""
|
||||||
|
To verify BGP timer config, execute "show ip bgp neighbor json" command
|
||||||
|
and verify bgp timers with input_dict data.
|
||||||
|
To veirfy bgp timers functonality, shutting down peer interface
|
||||||
|
and verify BGP neighborship status.
|
||||||
|
|
||||||
|
Parameters
|
||||||
|
----------
|
||||||
|
* `tgen`: topogen object
|
||||||
|
* `topo`: input json file data
|
||||||
|
* `addr_type`: ip type, ipv4/ipv6
|
||||||
|
* `input_dict`: defines for which router, bgp timers needs to be verified
|
||||||
|
|
||||||
|
Usage:
|
||||||
|
# To verify BGP timers for neighbor r2 of router r1
|
||||||
|
input_dict = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"bgp_neighbors":{
|
||||||
|
"r2":{
|
||||||
|
"keepalivetimer": 5,
|
||||||
|
"holddowntimer": 15,
|
||||||
|
}}}}}
|
||||||
|
result = verify_bgp_timers_and_functionality(tgen, topo, "ipv4",
|
||||||
|
input_dict)
|
||||||
|
|
||||||
|
Returns
|
||||||
|
-------
|
||||||
|
errormsg(str) or True
|
||||||
|
"""
|
||||||
|
|
||||||
|
logger.info("Entering lib API: verify_bgp_timers_and_functionality()")
|
||||||
|
sleep(5)
|
||||||
|
router_list = tgen.routers()
|
||||||
|
for router in input_dict.keys():
|
||||||
|
if router not in router_list:
|
||||||
|
continue
|
||||||
|
|
||||||
|
rnode = router_list[router]
|
||||||
|
|
||||||
|
logger.info("Verifying bgp timers functionality, DUT is %s:",
|
||||||
|
router)
|
||||||
|
|
||||||
|
show_ip_bgp_neighbor_json = \
|
||||||
|
rnode.vtysh_cmd("show ip bgp neighbor json", isjson=True)
|
||||||
|
|
||||||
|
bgp_addr_type = input_dict[router]["bgp"]["address_family"]
|
||||||
|
|
||||||
|
for addr_type in bgp_addr_type:
|
||||||
|
if not check_address_types(addr_type):
|
||||||
|
continue
|
||||||
|
|
||||||
|
bgp_neighbors = bgp_addr_type[addr_type]["unicast"][
|
||||||
|
"neighbor"]
|
||||||
|
for bgp_neighbor, peer_data in bgp_neighbors.iteritems():
|
||||||
|
for dest_link, peer_dict in peer_data["dest_link"].iteritems():
|
||||||
|
data = topo["routers"][bgp_neighbor]["links"]
|
||||||
|
|
||||||
|
keepalivetimer = peer_dict["keepalivetimer"]
|
||||||
|
holddowntimer = peer_dict["holddowntimer"]
|
||||||
|
|
||||||
|
if dest_link in data:
|
||||||
|
neighbor_ip = data[dest_link][addr_type]. \
|
||||||
|
split("/")[0]
|
||||||
|
neighbor_intf = data[dest_link]["interface"]
|
||||||
|
|
||||||
|
# Verify HoldDownTimer for neighbor
|
||||||
|
bgpHoldTimeMsecs = show_ip_bgp_neighbor_json[
|
||||||
|
neighbor_ip]["bgpTimerHoldTimeMsecs"]
|
||||||
|
if bgpHoldTimeMsecs != holddowntimer * 1000:
|
||||||
|
errormsg = "Verifying holddowntimer for bgp " \
|
||||||
|
"neighbor {} under dut {}, found: {} " \
|
||||||
|
"but expected: {}".format(
|
||||||
|
neighbor_ip, router,
|
||||||
|
bgpHoldTimeMsecs,
|
||||||
|
holddowntimer * 1000)
|
||||||
|
return errormsg
|
||||||
|
|
||||||
|
# Verify KeepAliveTimer for neighbor
|
||||||
|
bgpKeepAliveTimeMsecs = show_ip_bgp_neighbor_json[
|
||||||
|
neighbor_ip]["bgpTimerKeepAliveIntervalMsecs"]
|
||||||
|
if bgpKeepAliveTimeMsecs != keepalivetimer * 1000:
|
||||||
|
errormsg = "Verifying keepalivetimer for bgp " \
|
||||||
|
"neighbor {} under dut {}, found: {} " \
|
||||||
|
"but expected: {}".format(
|
||||||
|
neighbor_ip, router,
|
||||||
|
bgpKeepAliveTimeMsecs,
|
||||||
|
keepalivetimer * 1000)
|
||||||
|
return errormsg
|
||||||
|
|
||||||
|
####################
|
||||||
|
# Shutting down peer interface after keepalive time and
|
||||||
|
# after some time bringing up peer interface.
|
||||||
|
# verifying BGP neighborship in (hold down-keep alive)
|
||||||
|
# time, it should not go down
|
||||||
|
####################
|
||||||
|
|
||||||
|
# Wait till keep alive time
|
||||||
|
logger.info("=" * 20)
|
||||||
|
logger.info("Scenario 1:")
|
||||||
|
logger.info("Shutdown and bring up peer interface: %s "
|
||||||
|
"in keep alive time : %s sec and verify "
|
||||||
|
" BGP neighborship is intact in %s sec ",
|
||||||
|
neighbor_intf, keepalivetimer,
|
||||||
|
(holddowntimer - keepalivetimer))
|
||||||
|
logger.info("=" * 20)
|
||||||
|
logger.info("Waiting for %s sec..", keepalivetimer)
|
||||||
|
sleep(keepalivetimer)
|
||||||
|
|
||||||
|
# Shutting down peer ineterface
|
||||||
|
logger.info("Shutting down interface %s on router %s",
|
||||||
|
neighbor_intf, bgp_neighbor)
|
||||||
|
topotest.interface_set_status(
|
||||||
|
router_list[bgp_neighbor], neighbor_intf,
|
||||||
|
ifaceaction=False)
|
||||||
|
|
||||||
|
# Bringing up peer interface
|
||||||
|
sleep(5)
|
||||||
|
logger.info("Bringing up interface %s on router %s..",
|
||||||
|
neighbor_intf, bgp_neighbor)
|
||||||
|
topotest.interface_set_status(
|
||||||
|
router_list[bgp_neighbor], neighbor_intf,
|
||||||
|
ifaceaction=True)
|
||||||
|
|
||||||
|
# Verifying BGP neighborship is intact in
|
||||||
|
# (holddown - keepalive) time
|
||||||
|
for timer in range(keepalivetimer, holddowntimer,
|
||||||
|
int(holddowntimer / 3)):
|
||||||
|
logger.info("Waiting for %s sec..", keepalivetimer)
|
||||||
|
sleep(keepalivetimer)
|
||||||
|
sleep(2)
|
||||||
|
show_bgp_json = \
|
||||||
|
rnode.vtysh_cmd("show bgp summary json",
|
||||||
|
isjson=True)
|
||||||
|
|
||||||
|
if addr_type == "ipv4":
|
||||||
|
ipv4_data = show_bgp_json["ipv4Unicast"]["peers"]
|
||||||
|
nh_state = ipv4_data[neighbor_ip]["state"]
|
||||||
|
else:
|
||||||
|
ipv6_data = show_bgp_json["ipv6Unicast"]["peers"]
|
||||||
|
nh_state = ipv6_data[neighbor_ip]["state"]
|
||||||
|
|
||||||
|
if timer == \
|
||||||
|
(holddowntimer - keepalivetimer):
|
||||||
|
if nh_state != "Established":
|
||||||
|
errormsg = "BGP neighborship has not gone " \
|
||||||
|
"down in {} sec for neighbor {}\n" \
|
||||||
|
"show_bgp_json: \n {} ".format(
|
||||||
|
timer, bgp_neighbor,
|
||||||
|
show_bgp_json)
|
||||||
|
return errormsg
|
||||||
|
else:
|
||||||
|
logger.info("BGP neighborship is intact in %s"
|
||||||
|
" sec for neighbor %s \n "
|
||||||
|
"show_bgp_json : \n %s",
|
||||||
|
timer, bgp_neighbor,
|
||||||
|
show_bgp_json)
|
||||||
|
|
||||||
|
####################
|
||||||
|
# Shutting down peer interface and verifying that BGP
|
||||||
|
# neighborship is going down in holddown time
|
||||||
|
####################
|
||||||
|
logger.info("=" * 20)
|
||||||
|
logger.info("Scenario 2:")
|
||||||
|
logger.info("Shutdown peer interface: %s and verify BGP"
|
||||||
|
" neighborship has gone down in hold down "
|
||||||
|
"time %s sec", neighbor_intf, holddowntimer)
|
||||||
|
logger.info("=" * 20)
|
||||||
|
|
||||||
|
logger.info("Shutting down interface %s on router %s..",
|
||||||
|
neighbor_intf, bgp_neighbor)
|
||||||
|
topotest.interface_set_status(router_list[bgp_neighbor],
|
||||||
|
neighbor_intf,
|
||||||
|
ifaceaction=False)
|
||||||
|
|
||||||
|
# Verifying BGP neighborship is going down in holddown time
|
||||||
|
for timer in range(keepalivetimer,
|
||||||
|
(holddowntimer + keepalivetimer),
|
||||||
|
int(holddowntimer / 3)):
|
||||||
|
logger.info("Waiting for %s sec..", keepalivetimer)
|
||||||
|
sleep(keepalivetimer)
|
||||||
|
sleep(2)
|
||||||
|
show_bgp_json = \
|
||||||
|
rnode.vtysh_cmd("show bgp summary json",
|
||||||
|
isjson=True)
|
||||||
|
|
||||||
|
if addr_type == "ipv4":
|
||||||
|
ipv4_data = show_bgp_json["ipv4Unicast"]["peers"]
|
||||||
|
nh_state = ipv4_data[neighbor_ip]["state"]
|
||||||
|
else:
|
||||||
|
ipv6_data = show_bgp_json["ipv6Unicast"]["peers"]
|
||||||
|
nh_state = ipv6_data[neighbor_ip]["state"]
|
||||||
|
|
||||||
|
if timer == holddowntimer:
|
||||||
|
if nh_state == "Established":
|
||||||
|
errormsg = "BGP neighborship has not gone " \
|
||||||
|
"down in {} sec for neighbor {}\n" \
|
||||||
|
"show_bgp_json: \n {} ".format(
|
||||||
|
timer, bgp_neighbor,
|
||||||
|
show_bgp_json)
|
||||||
|
return errormsg
|
||||||
|
else:
|
||||||
|
logger.info("BGP neighborship has gone down in"
|
||||||
|
" %s sec for neighbor %s \n"
|
||||||
|
"show_bgp_json : \n %s",
|
||||||
|
timer, bgp_neighbor,
|
||||||
|
show_bgp_json)
|
||||||
|
|
||||||
|
logger.info("Exiting lib API: verify_bgp_timers_and_functionality()")
|
||||||
|
return True
|
||||||
|
|
||||||
|
|||||||
@ -20,6 +20,7 @@
|
|||||||
|
|
||||||
from collections import OrderedDict
|
from collections import OrderedDict
|
||||||
from datetime import datetime
|
from datetime import datetime
|
||||||
|
import StringIO
|
||||||
import os
|
import os
|
||||||
import ConfigParser
|
import ConfigParser
|
||||||
import traceback
|
import traceback
|
||||||
@ -194,6 +195,88 @@ def create_common_configuration(tgen, router, data, config_type=None,
|
|||||||
return True
|
return True
|
||||||
|
|
||||||
|
|
||||||
|
def reset_config_on_routers(tgen, routerName=None):
|
||||||
|
"""
|
||||||
|
Resets configuration on routers to the snapshot created using input JSON
|
||||||
|
file. It replaces existing router configuration with FRRCFG_BKUP_FILE
|
||||||
|
|
||||||
|
Parameters
|
||||||
|
----------
|
||||||
|
* `tgen` : Topogen object
|
||||||
|
* `routerName` : router config is to be reset
|
||||||
|
"""
|
||||||
|
|
||||||
|
logger.debug("Entering API: reset_config_on_routers")
|
||||||
|
|
||||||
|
router_list = tgen.routers()
|
||||||
|
for rname, router in router_list.iteritems():
|
||||||
|
if routerName and routerName != rname:
|
||||||
|
continue
|
||||||
|
|
||||||
|
cfg = router.run("vtysh -c 'show running'")
|
||||||
|
fname = "{}/{}/frr.sav".format(TMPDIR, rname)
|
||||||
|
dname = "{}/{}/delta.conf".format(TMPDIR, rname)
|
||||||
|
f = open(fname, "w")
|
||||||
|
for line in cfg.split("\n"):
|
||||||
|
line = line.strip()
|
||||||
|
|
||||||
|
if (line == "Building configuration..." or
|
||||||
|
line == "Current configuration:" or
|
||||||
|
not line):
|
||||||
|
continue
|
||||||
|
f.write(line)
|
||||||
|
f.write("\n")
|
||||||
|
|
||||||
|
f.close()
|
||||||
|
|
||||||
|
command = "/usr/lib/frr/frr-reload.py --input {}/{}/frr.sav" \
|
||||||
|
" --test {}/{}/frr_json_initial.conf > {}". \
|
||||||
|
format(TMPDIR, rname, TMPDIR, rname, dname)
|
||||||
|
result = os.system(command)
|
||||||
|
|
||||||
|
# Assert if command fail
|
||||||
|
if result > 0:
|
||||||
|
errormsg = ("Command:{} is failed due to non-zero exit"
|
||||||
|
" code".format(command))
|
||||||
|
return errormsg
|
||||||
|
|
||||||
|
f = open(dname, "r")
|
||||||
|
delta = StringIO.StringIO()
|
||||||
|
delta.write("configure terminal\n")
|
||||||
|
t_delta = f.read()
|
||||||
|
for line in t_delta.split("\n"):
|
||||||
|
line = line.strip()
|
||||||
|
if (line == "Lines To Delete" or
|
||||||
|
line == "===============" or
|
||||||
|
line == "Lines To Add" or
|
||||||
|
line == "============" or
|
||||||
|
not line):
|
||||||
|
continue
|
||||||
|
delta.write(line)
|
||||||
|
delta.write("\n")
|
||||||
|
|
||||||
|
delta.write("end\n")
|
||||||
|
output = router.vtysh_multicmd(delta.getvalue(),
|
||||||
|
pretty_output=False)
|
||||||
|
logger.info("New configuration for router {}:".format(rname))
|
||||||
|
delta.close()
|
||||||
|
delta = StringIO.StringIO()
|
||||||
|
cfg = router.run("vtysh -c 'show running'")
|
||||||
|
for line in cfg.split("\n"):
|
||||||
|
line = line.strip()
|
||||||
|
delta.write(line)
|
||||||
|
delta.write("\n")
|
||||||
|
|
||||||
|
# Router current configuration to log file or console if
|
||||||
|
# "show_router_config" is defined in "pytest.ini"
|
||||||
|
if show_router_config:
|
||||||
|
logger.info(delta.getvalue())
|
||||||
|
delta.close()
|
||||||
|
|
||||||
|
logger.debug("Exting API: reset_config_on_routers")
|
||||||
|
return True
|
||||||
|
|
||||||
|
|
||||||
def load_config_to_router(tgen, routerName, save_bkup=False):
|
def load_config_to_router(tgen, routerName, save_bkup=False):
|
||||||
"""
|
"""
|
||||||
Loads configuration on router from the file FRRCFG_FILE.
|
Loads configuration on router from the file FRRCFG_FILE.
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user