def test_multiple_bgp_config_lines_with_same_first_word():
""" Very similar lines starting with same word are different """
baseline = [
"router bgp {{BGP_AS}}",
" network {{LAN_NET}} mask 255.255.248.0",
" network {{LOOPBACK_IP}} mask 255.255.255.255",
" neighbour {{PE_IP}} remote-as 1234",
" neighbour {{PE_IP}} ebgp-multihop 2",
" neighbour {{PE_IP}} update-source GigabitEthernet0/0",
" neighbour {{PE_IP}} timers 10 30",
" neighbour {{PE_IP}} send-community",
" neighbour {{PE_IP}} soft-reconfiguration inbound",
]
config = [
"router bgp 65500",
" network 10.100.10.0 mask 255.255.248.0",
" network 10.200.10.0 mask 255.255.255.255",
" neighbour 10.200.10.10 remote-as 1234",
" neighbour 10.200.10.10 ebgp-multihop 2",
" neighbour 10.200.10.10 update-source GigabitEthernet0/0",
" neighbour 10.200.10.10 timers 10 30",
" neighbour 10.200.10.10 send-community",
" neighbour 10.200.10.10 soft-reconfiguration inbound",
]
diff = transintentlation.Comparing(baseline, config, [])
assert [] == diff.additional()
assert [] == diff.missing()
def test_basic_comparison_without_variables():
""" Compare two configs without variables """
baseline = [
"interface FastEthernet0/1",
" description link to core",
" no ip address",
" shutdown",
"interface Vlan1",
" ip address 10.10.10.10",
]
comparison = [
"interface FastEthernet0/1",
" description link to core",
" ip address 192.168.0.1 255.255.255.0",
]
expected_additional = [["interface FastEthernet0/1", " ip address 192.168.0.1 255.255.255.0"]]
expected_missing = sorted(
[
["interface FastEthernet0/1", " no ip address", " shutdown"],
["interface Vlan1", " ip address 10.10.10.10"],
]
)
diff = transintentlation.Comparing(baseline, comparison)
assert expected_additional == diff.additional()
assert expected_missing == diff.missing()
def test_single_multiple_word_variables():
""" Single variable word can account for multiple words """
baseline = ["interface FastEthernet0/5", " description {{ DESCRIPTION }}"]
config = ["interface FastEthernet0/5", " description Data and Voice Access Port"]
diff = transintentlation.Comparing(baseline, config, [])
assert [] == diff.additional()
assert [] == diff.missing()
def test_multiple_multiple_word_variables():
""" Multiple single word variables can account for multiple words """
baseline = ["interface FastEthernet0/5", " description {{ VLAN }} connection to {{ BACKUP }}"]
config = ["interface FastEthernet0/5", " description Vlan 99 connection to Core Backup"]
diff = transintentlation.Comparing(baseline, config, [])
assert [] == diff.additional()
assert [] == diff.missing()
def test_triple_variables_ip_route():
""" More than 2 variables in a single line """
config = ["ip route 10.10.10.10 255.255.0.0 10.10.10.1 tag 100 and this"]
baseline = ["ip route {{ LAN_NET }} 255.255.0.0 {{ VLAN_99_IP }} tag 100 and {{ this }}"]
diff = transintentlation.Comparing(baseline, config, [])
assert [] == diff.additional()
assert [] == diff.missing()
def test_multiple_variables_ip_route_similar_ip():
""" Multiple variables in single line with similar IP addresses """
config = ["ip route 10.10.10.10 255.255.0.0 10.10.10.100 tag 100"]
baseline = ["ip route {{ LAN_NET }} 255.255.0.0 {{ VLAN_99_IP }} tag 100"]
diff = transintentlation.Comparing(baseline, config, [])
assert [] == diff.additional()
assert [] == diff.missing()
def test_different_aaa_config(aaa_baseline, aaa_comparison):
""" Different aaa configs """
expected_additional = [
["aaa accounting commands 0 CON start-stop group tacacs+"],
["aaa accounting commands 0 VTY start-stop group tacacs+"],
["aaa accounting commands 15 CON start-stop group tacacs+"],
["aaa accounting commands 15 VTY start-stop group tacacs+"],
["aaa accounting exec CON start-stop group tacacs+"],
["aaa accounting exec VTY start-stop group tacacs+"],
["aaa authentication login CON group tacacs+ local"],
["aaa authentication login VTY group tacacs+ local"],
["aaa authentication login default group tacacs+ local"],
["aaa authorization exec CON group tacacs+ local"],
["aaa authorization exec VTY group tacacs+ local"],
["aaa authorization exec default group tacacs+ local"],
[
"aaa server radius dynamic-author",
" client 10.10.20.1 server-key 7 1234567890ABCDEFGHIJKL",
],
]
expected_missing = [
["aaa accounting exec CON start-stop group radius"],
["aaa accounting exec VTY start-stop group radius"],
["aaa authentication login CON group radius local"],
["aaa authentication login VTY group radius local"],
["aaa authorization exec CON group radius local"],
["aaa authorization exec VTY group radius local"],
[
"aaa server radius dynamic-author",
" client 10.10.21.1 server-key 7 1234567890ABCDEFGHIJKL",
],
]
diff = transintentlation.Comparing(baseline=aaa_baseline, comparison=aaa_comparison)
assert expected_additional == diff.additional()
assert expected_missing == diff.missing()
def test_dialer_interface():
""" Regular expression metacharacters ignored """
baseline = ["interface Dialer1", " description *** FTTC on PSTN:{{PSTN_NO}} CCT:{{CCT_ID}} ***"]
config = [
"interface Dialer1",
" description *** FTTC on PSTN:020 8777 1953 CCT:IEUK644252 ***",
]
diff = transintentlation.Comparing(baseline, config, [])
assert [] == diff.additional()
assert [] == diff.missing()
def test_multiple_variables_with_regex_metacharacters():
""" Regular Expression metacharacters ignored """
baseline = [
"description *** ADSL {{PSTN_NO}} {{CCT_ID}} ***",
"description *** FTTC on PSTN:{{PSTN_NO}} CCT:{{CCT_ID}} ***",
]
config = [
"description *** ADSL 12345 67890 ***",
"description *** FTTC on PSTN:12345 CCT:67890 ***",
]
diff = transintentlation.Comparing(baseline, config, [])
assert [] == diff.additional()
assert [] == diff.missing()
def test_prefix_lists_with_seq_value_in_ip_address():
""" Very similar lines containing same words are different """
baseline = [
"ip prefix-list bgp-routes-out seq 5 permit {{IP_ADDRESS}}",
"ip prefix-list bgp-routes-out seq 10 permit {{IP_ADDRESS}}",
"ip prefix-list bgp-routes-out seq 15 permit {{IP_ADDRESS}}",
]
config = [
"ip prefix-list bgp-routes-out seq 5 permit 10.14.4.0/23",
"ip prefix-list bgp-routes-out seq 10 permit 10.25.0.12/32",
"ip prefix-list bgp-routes-out seq 15 permit 10.14.5.64/27",
]
diff = transintentlation.Comparing(baseline, config, [])
assert [] == diff.additional()
assert [] == diff.missing()
def test_different_fast_interface_config_ignoring_description(int_baseline, int_comparison):
""" Variable is not a difference """
expected_additional = [
[
"interface FastEthernet0/5",
" switchport mode trunk",
" switchport trunk allowed vlan 510,511,999",
" switchport trunk native vlan 999",
]
]
expected_missing = [["interface FastEthernet0/5", " switchport mode access"]]
diff = transintentlation.Comparing(
baseline=int_baseline, comparison=int_comparison, ignore_lines=[]
)
assert expected_additional == diff.additional()
assert expected_missing == diff.missing()
def test_basic_comparison_with_actual_config():
intent_config = "./tests/configs/intent.cfg"
running_config = "./tests/configs/n9k.cfg"
diff = transintentlation.Comparing(intent_config, running_config)
expected_missing = sorted(
[
["interface Ethernet1/11", " ip address 11.22.33.44/24"],
["interface loopback0", " ip address 172.18.0.6/24"],
]
)
expected_additional = [["interface loopback0", " ip address 172.18.0.6/23"]]
assert expected_missing == diff.missing()
assert expected_additional == diff.additional()
def test_different_vlan_interface_config(ignores_file):
""" Compare two vlan configs with variables and ignores file """
baseline = ["hostname {{ hostname }}", "interface Vlan1", " no ip address", " shutdown"]
comparison = [
"hostname COMPARISON",
"interface Vlan1",
" ip address 192.168.0.1 255.255.255.0",
" no shutdown",
]
expected_additional = [
["interface Vlan1", " ip address 192.168.0.1 255.255.255.0", " no shutdown"]
]
expected_missing = [["interface Vlan1", " no ip address", " shutdown"]]
diff = transintentlation.Comparing(
baseline=baseline, comparison=comparison, ignore_lines=ignores_file.split("\n")
)
assert expected_additional == diff.additional()
assert expected_missing == diff.missing()
