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fix handling of juniper indirect next-hops, add tests. closes #135

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This commit is contained in:
checktheroads 2021-04-22 22:22:39 -07:00
parent fa19683cb2
commit 47fc55fb08
4 changed files with 1009 additions and 0 deletions
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3
hyperglass/models/parsing/juniper.py
View file

@ -75,6 +75,9 @@ class JuniperRouteTableEntry(_JuniperBase):
if "selected-next-hop" in hop:
selected_next_hop = hop.get("to", "")
break
elif hop.get("to") is not None:
selected_next_hop = hop["to"]
break
values["next-hop"] = selected_next_hop

774
hyperglass/models/parsing/juniper_route_direct.xml Normal file
View file

@ -0,0 +1,774 @@
<rpc-reply xmlns:junos="http://xml.juniper.net/junos/18.2R3/junos">
<route-information xmlns="http://xml.juniper.net/junos/18.2R3/junos-routing">
<!-- keepalive -->
<route-table>
<table-name>
inet.0
</table-name>
<destination-count>
851482
</destination-count>
<total-route-count>
3145808
</total-route-count>
<active-route-count>
851445
</active-route-count>
<holddown-route-count>
1
</holddown-route-count>
<hidden-route-count>
94
</hidden-route-count>
<rt junos:style="detail">
<rt-destination>
1.1.1.0
</rt-destination>
<rt-prefix-length>
24
</rt-prefix-length>
<rt-entry-count junos:format="4 entries">
4
</rt-entry-count>
<rt-announced-count>
1
</rt-announced-count>
<rt-entry>
<active-tag>
*
</active-tag>
<current-active />
<last-active />
<protocol-name>
BGP
</protocol-name>
<preference>
170
</preference>
<preference2>
-176
</preference2>
<nh-type>
Router
</nh-type>
<nh-index>
1007
</nh-index>
<nh-address>
0x36d576ac
</nh-address>
<nh-reference-count>
1337511
</nh-reference-count>
<nh-kernel-id>
0
</nh-kernel-id>
<gateway>
62.115.189.136
</gateway>
<nh junos:indent="16">
<nh-string>
Next hop
</nh-string>
<to>
62.115.189.136
</to>
<via>
xe-0/1/1.0
</via>
<selected-next-hop />
<session>
4e3
</session>
</nh>
<rt-entry-state>
Active Ext
</rt-entry-state>
<local-as>
14525
</local-as>
<peer-as>
1299
</peer-as>
<age junos:seconds="2634431">
4w2d 11:47:11
</age>
<validation-state>
valid
</validation-state>
<med-plus-igp>
0
</med-plus-igp>
<task-name>
BGP_1299.62.115.189.136
</task-name>
<announce-bits>
5
</announce-bits>
<announce-tasks>
0-KRT 6-BGP_RT_Background 8-Resolve tree 3 10-Aggregate 12-RT
</announce-tasks>
<as-path>
AS path: 1299 13335 I
Aggregator: 13335 141.101.72.1
AS path: Recorded
</as-path>
<bgp-path-attributes>
<attr-as-path-effective>
<aspath-effective-string>
AS path:
</aspath-effective-string>
<attr-value>
1299 13335 I
</attr-value>
<flags>
</flags>
</attr-as-path-effective>
<attr-aggregator>
<attr-length>
11
</attr-length>
<attr-value>
<aggr-as-number>
13335
</aggr-as-number>
<aggr-router-id>
141.101.72.1
</aggr-router-id>
</attr-value>
</attr-aggregator>
</bgp-path-attributes>
<communities>
<community>
1299:35000
</community>
<community>
14525:0
</community>
<community>
14525:41
</community>
<community>
14525:600
</community>
<community>
14525:1021
</community>
<community>
14525:2840
</community>
<community>
14525:3001
</community>
<community>
14525:4001
</community>
<community>
14525:9003
</community>
</communities>
<bgp-rt-flag>
Accepted
</bgp-rt-flag>
<local-preference>
175
</local-preference>
<peer-id>
2.255.254.43
</peer-id>
</rt-entry>
<rt-entry>
<active-tag>
</active-tag>
<protocol-name>
BGP
</protocol-name>
<preference>
200
</preference>
<preference2>
-251
</preference2>
<nh-type>
Indirect
</nh-type>
<nh-index>
0
</nh-index>
<nh-address>
0x159d47bc
</nh-address>
<nh-reference-count>
546747
</nh-reference-count>
<nh-kernel-id>
0
</nh-kernel-id>
<gateway>
199.34.94.1
</gateway>
<nh-type>
Router
</nh-type>
<nh-index>
897
</nh-index>
<nh junos:indent="16">
<nh-string>
Next hop
</nh-string>
<to>
100.64.0.21
</to>
<via>
et-0/0/2.3601
</via>
<selected-next-hop />
<label-element>
0x4261200
</label-element>
<label-element-parent>
0x0
</label-element-parent>
<label-element-refcount>
4
</label-element-refcount>
<label-element-childcount>
2
</label-element-childcount>
<label-element-lspid>
0
</label-element-lspid>
<session>
53c
</session>
</nh>
<protocol-nh junos:indent="16">
<to>
199.34.94.1
</to>
<indirect-nh>
0xa010e00 1048620 INH Session ID: 0x53e
</indirect-nh>
</protocol-nh>
<rt-entry-state>
Int Ext
</rt-entry-state>
<inactive-reason>
Route Preference
</inactive-reason>
<local-as>
14525
</local-as>
<peer-as>
14525
</peer-as>
<age junos:seconds="1766791">
2w6d 10:46:31
</age>
<metric>
0
</metric>
<metric2>
1000
</metric2>
<validation-state>
unverified
</validation-state>
<med-plus-igp>
1000
</med-plus-igp>
<task-name>
BGP_14525.199.34.94.1
</task-name>
<as-path>
AS path: 13335 I
Aggregator: 13335 172.68.129.1
AS path: Recorded
</as-path>
<bgp-path-attributes>
<attr-as-path-effective>
<aspath-effective-string>
AS path:
</aspath-effective-string>
<attr-value>
13335 I
</attr-value>
<flags>
</flags>
</attr-as-path-effective>
<attr-aggregator>
<attr-length>
11
</attr-length>
<attr-value>
<aggr-as-number>
13335
</aggr-as-number>
<aggr-router-id>
172.68.129.1
</aggr-router-id>
</attr-value>
</attr-aggregator>
</bgp-path-attributes>
<communities>
<community>
13335:10232
</community>
<community>
13335:19000
</community>
<community>
13335:20050
</community>
<community>
13335:20500
</community>
<community>
13335:20530
</community>
<community>
14525:0
</community>
<community>
14525:20
</community>
<community>
14525:600
</community>
<community>
14525:1021
</community>
<community>
14525:2840
</community>
<community>
14525:3003
</community>
<community>
14525:4003
</community>
<community>
14525:9009
</community>
</communities>
<bgp-rt-flag>
Accepted
</bgp-rt-flag>
<local-preference>
250
</local-preference>
<peer-id>
199.34.94.1
</peer-id>
</rt-entry>
<rt-entry>
<active-tag>
</active-tag>
<protocol-name>
BGP
</protocol-name>
<preference>
200
</preference>
<preference2>
-251
</preference2>
<nh-type>
Indirect
</nh-type>
<nh-index>
0
</nh-index>
<nh-address>
0x20040a2c
</nh-address>
<nh-reference-count>
600203
</nh-reference-count>
<nh-kernel-id>
0
</nh-kernel-id>
<gateway>
199.34.94.2
</gateway>
<nh-type>
Router
</nh-type>
<nh-index>
1243
</nh-index>
<nh junos:indent="16">
<nh-string>
Next hop
</nh-string>
<to>
100.64.0.22
</to>
<via>
et-0/0/2.3601
</via>
<selected-next-hop />
<label-element>
0x8b6e880
</label-element>
<label-element-parent>
0x0
</label-element-parent>
<label-element-refcount>
4
</label-element-refcount>
<label-element-childcount>
2
</label-element-childcount>
<label-element-lspid>
0
</label-element-lspid>
<session>
532
</session>
</nh>
<protocol-nh junos:indent="16">
<to>
199.34.94.2
</to>
<indirect-nh>
0xa010800 1048619 INH Session ID: 0x5c1
</indirect-nh>
</protocol-nh>
<rt-entry-state>
NotBest Int Ext
</rt-entry-state>
<inactive-reason>
Not Best in its group - Router ID
</inactive-reason>
<local-as>
14525
</local-as>
<peer-as>
14525
</peer-as>
<age junos:seconds="242">
4:02
</age>
<metric>
0
</metric>
<metric2>
1000
</metric2>
<validation-state>
unverified
</validation-state>
<med-plus-igp>
1000
</med-plus-igp>
<task-name>
BGP_14525.199.34.94.2
</task-name>
<as-path>
AS path: 13335 I
Aggregator: 13335 172.68.129.1
AS path: Recorded
</as-path>
<bgp-path-attributes>
<attr-as-path-effective>
<aspath-effective-string>
AS path:
</aspath-effective-string>
<attr-value>
13335 I
</attr-value>
<flags>
</flags>
</attr-as-path-effective>
<attr-aggregator>
<attr-length>
11
</attr-length>
<attr-value>
<aggr-as-number>
13335
</aggr-as-number>
<aggr-router-id>
172.68.129.1
</aggr-router-id>
</attr-value>
</attr-aggregator>
</bgp-path-attributes>
<communities>
<community>
13335:10232
</community>
<community>
13335:19000
</community>
<community>
13335:20050
</community>
<community>
13335:20500
</community>
<community>
13335:20530
</community>
<community>
14525:0
</community>
<community>
14525:20
</community>
<community>
14525:600
</community>
<community>
14525:1021
</community>
<community>
14525:2840
</community>
<community>
14525:3003
</community>
<community>
14525:4003
</community>
<community>
14525:9009
</community>
</communities>
<bgp-rt-flag>
Accepted
</bgp-rt-flag>
<local-preference>
250
</local-preference>
<peer-id>
199.34.94.2
</peer-id>
</rt-entry>
<rt-entry>
<active-tag>
</active-tag>
<protocol-name>
BGP
</protocol-name>
<preference>
200
</preference>
<preference2>
-251
</preference2>
<nh-type>
Indirect
</nh-type>
<nh-index>
0
</nh-index>
<nh-address>
0x1e049e7c
</nh-address>
<nh-reference-count>
135307
</nh-reference-count>
<nh-kernel-id>
0
</nh-kernel-id>
<gateway>
216.250.230.2
</gateway>
<nh-type>
Router
</nh-type>
<nh-index>
0
</nh-index>
<nh junos:indent="16">
<nh-string>
Next hop
</nh-string>
<to>
100.64.0.52
</to>
<via>
et-0/0/1.3605
</via>
<weight>
0x1
</weight>
<selected-next-hop />
<label-element>
0x8b6f980
</label-element>
<label-element-parent>
0x0
</label-element-parent>
<label-element-refcount>
13
</label-element-refcount>
<label-element-childcount>
5
</label-element-childcount>
<label-element-lspid>
0
</label-element-lspid>
<session>
0
</session>
</nh>
<nh junos:indent="16">
<nh-string>
Next hop
</nh-string>
<to>
100.64.0.140
</to>
<via>
et-0/0/2.3607
</via>
<weight>
0x1
</weight>
<label-element>
0x8b6f980
</label-element>
<label-element-parent>
0x0
</label-element-parent>
<label-element-refcount>
13
</label-element-refcount>
<label-element-childcount>
5
</label-element-childcount>
<label-element-lspid>
0
</label-element-lspid>
<session>
0
</session>
</nh>
<protocol-nh junos:indent="16">
<to>
216.250.230.2
</to>
<indirect-nh>
0xa00f600 1048607 INH Session ID: 0x54c
</indirect-nh>
</protocol-nh>
<rt-entry-state>
NotBest Int Ext
</rt-entry-state>
<inactive-reason>
Not Best in its group - Router ID
</inactive-reason>
<local-as>
14525
</local-as>
<peer-as>
14525
</peer-as>
<age junos:seconds="1367556">
2w1d 19:52:36
</age>
<metric>
0
</metric>
<metric2>
1000
</metric2>
<validation-state>
unverified
</validation-state>
<med-plus-igp>
1000
</med-plus-igp>
<task-name>
BGP_14525.216.250.230.2
</task-name>
<as-path>
AS path: 13335 I
Aggregator: 13335 141.101.73.1
</as-path>
<bgp-path-attributes>
<attr-as-path-effective>
<aspath-effective-string>
AS path:
</aspath-effective-string>
<attr-value>
13335 I
</attr-value>
</attr-as-path-effective>
<attr-aggregator>
<attr-length>
11
</attr-length>
<attr-value>
<aggr-as-number>
13335
</aggr-as-number>
<aggr-router-id>
141.101.73.1
</aggr-router-id>
</attr-value>
</attr-aggregator>
</bgp-path-attributes>
<communities>
<community>
13335:10014
</community>
<community>
13335:19000
</community>
<community>
13335:20050
</community>
<community>
13335:20500
</community>
<community>
13335:20530
</community>
<community>
14525:0
</community>
<community>
14525:20
</community>
<community>
14525:600
</community>
<community>
14525:1021
</community>
<community>
14525:2840
</community>
<community>
14525:3003
</community>
<community>
14525:4002
</community>
<community>
14525:9009
</community>
</communities>
<bgp-rt-flag>
Accepted
</bgp-rt-flag>
<local-preference>
250
</local-preference>
<peer-id>
216.250.230.2
</peer-id>
</rt-entry>
</rt>
</route-table>
</route-information>
<cli>
<banner>
</banner>
</cli>
</rpc-reply>

201
hyperglass/models/parsing/juniper_route_indirect.xml Normal file
View file

@ -0,0 +1,201 @@
<rpc-reply xmlns:junos="http://xml.juniper.net/junos/18.2R3/junos">
<route-information xmlns="http://xml.juniper.net/junos/18.2R3/junos-routing">
<!-- keepalive -->
<route-table>
<table-name>
inet.0
</table-name>
<destination-count>
851462
</destination-count>
<total-route-count>
3145810
</total-route-count>
<active-route-count>
851425
</active-route-count>
<holddown-route-count>
1
</holddown-route-count>
<hidden-route-count>
94
</hidden-route-count>
<rt junos:style="detail">
<rt-destination>
199.34.94.96
</rt-destination>
<rt-prefix-length>
30
</rt-prefix-length>
<rt-entry-count junos:format="1 entry">
1
</rt-entry-count>
<rt-announced-count>
1
</rt-announced-count>
<rt-state>
</rt-state>
<rt-entry>
<active-tag>
*
</active-tag>
<current-active />
<last-active />
<protocol-name>
BGP
</protocol-name>
<preference>
200
</preference>
<preference2>
-451
</preference2>
<nh-type>
Indirect
</nh-type>
<nh-index>
0
</nh-index>
<nh-address>
0x159d47bc
</nh-address>
<nh-reference-count>
546728
</nh-reference-count>
<nh-kernel-id>
0
</nh-kernel-id>
<gateway>
199.34.94.1
</gateway>
<nh-type>
Router
</nh-type>
<nh-index>
897
</nh-index>
<nh junos:indent="16">
<nh-string>
Next hop
</nh-string>
<to>
100.64.0.21
</to>
<via>
et-0/0/2.3601
</via>
<selected-next-hop />
<label-element>
0x4261200
</label-element>
<label-element-parent>
0x0
</label-element-parent>
<label-element-refcount>
4
</label-element-refcount>
<label-element-childcount>
2
</label-element-childcount>
<label-element-lspid>
0
</label-element-lspid>
<session>
53c
</session>
</nh>
<protocol-nh junos:indent="16">
<to>
199.34.94.1
</to>
<indirect-nh>
0xa010e00 1048620 INH Session ID: 0x53e
</indirect-nh>
</protocol-nh>
<rt-entry-state>
Active Int Ext
</rt-entry-state>
<local-as>
14525
</local-as>
<peer-as>
14525
</peer-as>
<age junos:seconds="1767263">
2w6d 10:54:23
</age>
<metric>
0
</metric>
<metric2>
1000
</metric2>
<validation-state>
unverified
</validation-state>
<med-plus-igp>
1000
</med-plus-igp>
<task-name>
BGP_14525.199.34.94.1
</task-name>
<announce-bits>
4
</announce-bits>
<announce-tasks>
0-KRT 8-Resolve tree 3 10-Aggregate 12-RT
</announce-tasks>
<as-path>
AS path: I
AS path: Recorded
</as-path>
<bgp-path-attributes>
<attr-as-path-effective>
<aspath-effective-string>
AS path:
</aspath-effective-string>
<attr-value>
I
</attr-value>
<flags>
</flags>
</attr-as-path-effective>
</bgp-path-attributes>
<communities>
<community>
14525:0
</community>
<community>
14525:1
</community>
<community>
14525:1021
</community>
<community>
14525:2840
</community>
<community>
14525:3003
</community>
<community>
14525:4003
</community>
</communities>
<bgp-rt-flag>
Accepted
</bgp-rt-flag>
<local-preference>
450
</local-preference>
<peer-id>
199.34.94.1
</peer-id>
</rt-entry>
</rt>
</route-table>
</route-information>
<cli>
<banner>
</banner>
</cli>
</rpc-reply>

31
hyperglass/parsing/test_juniper.py Normal file
View file

@ -0,0 +1,31 @@
"""Test Juniper XML Parsing."""
# Standard Library
import sys
import json
from pathlib import Path
# Project
from hyperglass.log import log
# Local
from .juniper import parse_juniper
SAMPLE_FILES = (
Path(__file__).parent.parent / "models" / "parsing" / "juniper_route_direct.xml",
Path(__file__).parent.parent / "models" / "parsing" / "juniper_route_indirect.xml",
)
if __name__ == "__main__":
samples = ()
if len(sys.argv) == 2:
samples += (sys.argv[1],)
else:
for sample_file in SAMPLE_FILES:
with sample_file.open("r") as file:
samples += (file.read(),)
for sample in samples:
parsed = parse_juniper([sample])
log.info(json.dumps(parsed, indent=2))
sys.exit(0)