Network-CI 3

batfish.py

# Get the list of all BGP sessions for leaf switches
bgp = bfq.bgpSessionStatus(nodes='leaf.*', includeEstablishedCount=True).answer().frame()

# All leaves should only peer with spines
non_spines = bgp[~bgp['Remote_Node'].str.contains('spine', na=False)]
# Assuming Leaf-2 and Leaf-3 peer with each other
print(non_spines)
     Node    Local_IP      VRF   Local_Interface Remote_Node  Remote_Prefix    Session_Type Configured_Status  Established_Neighbors
0  leaf-2     1.1.1.2  default  leaf-2:Loopback0      leaf-3     1.1.1.3/32   EBGP_MULTIHOP      UNIQUE_MATCH                      0
5  leaf-3     1.1.1.3  default  leaf-3:Loopback0      leaf-2     1.1.1.2/32   EBGP_MULTIHOP      UNIQUE_MATCH                      0

# All leaves should have at least one peering with each spine
spines = set(bfq.nodeProperties(nodes='spine.*').answer().frame()['Node'])
violators = bgp.groupby('Node').filter(lambda x: set(x['Remote_Node']).difference(spines) != set([]))
# Assuming Ethernet3 on Spine-2 is shutdown
print(violators[~violators['Remote_Node'].str.contains('spine', na=False)])
     Node    Local_IP      VRF   Local_Interface Remote_Node  Remote_Prefix    Session_Type Configured_Status  Established_Neighbors
6  leaf-3  10.0.255.5  default  leaf-3:Ethernet2        None  10.0.255.4/32  EBGP_SINGLEHOP    UNKNOWN_REMOTE                      0

e2e.robot

*** Variables ***
${HOST1}    192.168.10.10
${HOST2}    192.168.20.20

E2E connectivity
    [Documentation]    Check if Host-3 can reach other hosts
    ${host1}=    Run Process    docker exec -i lab_Host-3 sudo ping -c 3 ${HOST1}     shell=yes
    ${host2}=    Run Process    docker exec -i lab_Host-3 sudo ping -c 3 ${HOST2}     shell=yes
    Should Be Equal As Integers    ${host1.rc}    0
    Should Be Equal As Integers    ${host2.rc}    0

full.j2

{% include 'management.j2' %}
{% include 'infra.j2' %}
{% include 'routing.j2' %}
{% include 'access.j2' %}

infra.j2

{% for peer, link in ipam[inventory_hostname].items() %}
!
interface {{ link.my_intf }}
   description {{ peer }}:{{ link.peer_intf }}:{{ link.peer_ip }}
   no switchport
   ip address {{ link.my_ip }}
   exit
!
{% endfor %}

intended.yml

---
Clos:
  Spine-1:
    Leaf-1:
      - ipv4_subnet: 10.0.254.0/31
        prod:
          local:   Ethernet1
          remote:  Ethernet1
        lab:
          local:   eth1
          remote:  eth1      
  Spine-2:
    Leaf-1:
      - ipv4_subnet: 10.0.255.0/31
        prod:
          local:   Ethernet1
          remote:  Ethernet2
        lab:
          local:   eth1
          remote:  eth2
      
bgp:
  asn:
    Leaf-1:  65001
  routerid:
    Leaf-1:  1.1.1.1/32
  
servers:
  Leaf-1:
    interfaces:
      lab: eth3
      prod: Ethernet10-11
    vlan: 10
    svi: 192.168.10.1/24

management:
  username: arista

leaf-3.txt

###########################
# IP routing table added: #
###########################

[
    "1.1.1.1/32", 
    "1.1.1.200/32", 
    "1.1.1.100/32", 
    "192.168.20.0/24", 
    "10.0.254.0/31", 
    "1.1.1.2/32", 
    "10.0.254.2/31", 
    "192.168.30.0/24", 
    "192.168.10.0/24", 
    "10.0.255.0/31", 
    "1.1.1.3/32", 
    "10.0.255.2/31"
]
------------------------------------

#############################
# IP routing table removed: #
#############################

[]
------------------------------------

routing.j2

!
ip routing
!
route-map RMAP-CONNECTED-BGP permit 1000
   match ip address prefix-list PL-ALL-LOOPBACKS
!
ip prefix-list PL-LOOPBACKS seq 10 permit 0.0.0.0/0 ge 32
!
interface Loopback0
   description ROUTER-ID
   ip address {{ bgp.routerid[inventory_hostname] }}
   exit
!
router bgp {{ bgp.asn[inventory_hostname] }}
{% for peer, link in ipam[inventory_hostname].items() %}
{% set peer_ip = link.peer_ip | ipaddr('address')  %}
{% if bgp.asn[peer] is defined %}
   neighbor {{ peer_ip }} remote-as {{ bgp.asn[peer] }}
   neighbor {{ peer_ip }} send-community
   neighbor {{ peer_ip }} maximum-routes 12000
{% endif %}
{% endfor %}
   redistribute connected route-map RMAP-CONNECTED-BGP
   exit
!
{% endif %}

run-diff.bash

ansible-playbook --diff --check 
                     -e buildenv=$BUILDENV 
                     -e outpath=$CI_PROJECT_DIR/outputs/diffs
                     -e confdir=$CONF_DIR
                     diff.yml

spine2.diff

--- system:/running-config
+++ session:/ansible_1537901087-session-config
@@ -47,6 +47,9 @@
    neighbor 10.0.254.3 remote-as 65002
    neighbor 10.0.254.3 send-community
    neighbor 10.0.254.3 maximum-routes 12000 
+   neighbor 10.0.254.5 remote-as 65003
+   neighbor 10.0.254.5 send-community
+   neighbor 10.0.254.5 maximum-routes 12000 
    redistribute connected route-map RMAP-CONNECTED-BGP
 !
 end