feat(frr): call frr cmds via telnet

[glimchb]

I'm using telnet until #6 is resolved

Signed-off-by: Boris Glimcher Boris.Glimcher@emc.com

[codecov]

Codecov Report

Merging #231 (b9287d2) into main (93b4d3f) will decrease coverage by 1.98%.
The diff coverage is 15.00%.

@@            Coverage Diff             @@
##             main     #231      +/-   ##
==========================================
- Coverage   72.37%   70.39%   -1.98%     
==========================================
  Files          13       14       +1     
  Lines        1122     1162      +40     
==========================================
+ Hits          812      818       +6     
- Misses        279      313      +34     
  Partials       31       31              

Files	Coverage Δ
pkg/evpn/bridge.go	78.98% <ø> (ø)
pkg/evpn/port.go	79.12% <ø> (ø)
pkg/evpn/svi.go	78.04% <100.00%> (+0.32%)	⬆️
pkg/evpn/vrf.go	80.80% <100.00%> (+0.26%)	⬆️
pkg/utils/telnet.go	0.00% <0.00%> (ø)

[glimchb]

example run:

 $ docker-compose logs opi-evpn-bridge | grep -A 12 TelnetDialAndCommunicate
opi-evpn-bridge-opi-evpn-bridge-1  | TelnetDialAndCommunicate:  show bgp vrf blue vni
opi-evpn-bridge-opi-evpn-bridge-1  | BGP VRF: blue
opi-evpn-bridge-opi-evpn-bridge-1  |   Local-Ip: 0.0.0.0
opi-evpn-bridge-opi-evpn-bridge-1  |   L3-VNI: 0
opi-evpn-bridge-opi-evpn-bridge-1  |   Rmac: 00:00:00:00:00:00
opi-evpn-bridge-opi-evpn-bridge-1  |   VNI Filter: none
opi-evpn-bridge-opi-evpn-bridge-1  |   L2-VNI List:
opi-evpn-bridge-opi-evpn-bridge-1  |
opi-evpn-bridge-opi-evpn-bridge-1  |   Export-RTs:
opi-evpn-bridge-opi-evpn-bridge-1  |
opi-evpn-bridge-opi-evpn-bridge-1  |   Import-RTs:
opi-evpn-bridge-opi-evpn-bridge-1  |
opi-evpn-bridge-opi-evpn-bridge-1  |   RD: 10.0.1.2:2
--
opi-evpn-bridge-opi-evpn-bridge-1  | c069227e28dd>:<nil>TelnetDialAndCommunicate:  show bgp vrf green vni
opi-evpn-bridge-opi-evpn-bridge-1  | BGP VRF: green
opi-evpn-bridge-opi-evpn-bridge-1  |   Local-Ip: 10.0.0.2
opi-evpn-bridge-opi-evpn-bridge-1  |   L3-VNI: 100
opi-evpn-bridge-opi-evpn-bridge-1  |   Rmac: 9a:ca:96:59:98:3a
opi-evpn-bridge-opi-evpn-bridge-1  |   VNI Filter: none
opi-evpn-bridge-opi-evpn-bridge-1  |   L2-VNI List:
opi-evpn-bridge-opi-evpn-bridge-1  |
opi-evpn-bridge-opi-evpn-bridge-1  |   Export-RTs:
opi-evpn-bridge-opi-evpn-bridge-1  |     RT:65000:100
opi-evpn-bridge-opi-evpn-bridge-1  |   Import-RTs:
opi-evpn-bridge-opi-evpn-bridge-1  |     RT:65000:100
opi-evpn-bridge-opi-evpn-bridge-1  |   RD: 10.0.2.2:3
--
opi-evpn-bridge-opi-evpn-bridge-1  | c069227e28dd>:<nil>TelnetDialAndCommunicate:  show bgp vrf yellow vni
opi-evpn-bridge-opi-evpn-bridge-1  | BGP VRF: yellow
opi-evpn-bridge-opi-evpn-bridge-1  |   Local-Ip: 10.0.0.2
opi-evpn-bridge-opi-evpn-bridge-1  |   L3-VNI: 101
opi-evpn-bridge-opi-evpn-bridge-1  |   Rmac: ea:bc:bd:c7:2c:76
opi-evpn-bridge-opi-evpn-bridge-1  |   VNI Filter: none
opi-evpn-bridge-opi-evpn-bridge-1  |   L2-VNI List:
opi-evpn-bridge-opi-evpn-bridge-1  |
opi-evpn-bridge-opi-evpn-bridge-1  |   Export-RTs:
opi-evpn-bridge-opi-evpn-bridge-1  |     RT:65000:101
opi-evpn-bridge-opi-evpn-bridge-1  |   Import-RTs:
opi-evpn-bridge-opi-evpn-bridge-1  |     RT:65000:101
opi-evpn-bridge-opi-evpn-bridge-1  |   RD: 10.0.3.2:4