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T6641: Add vyos-network-event-logger Service #4216

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T6641: Add vyos-network-event-logger Service #4216

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HollyGurza
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The service parses and logs network events for improved monitoring and diagnostics. Supported event types include:

  • RTM_NEWROUTE, RTM_DELROUTE
  • RTM_NEWLINK, RTM_DELLINK
  • RTM_NEWADDR, RTM_DELADDR
  • RTM_NEWNEIGH, RTM_DELNEIGH, RTM_GETNEIGH
  • RTM_NEWRULE, RTM_DELRULE

Added operational mode commands for filtered log retrieval:

  • show log network-event <event-type> <interface>: Retrieve logs filtered by event type and interface.
  • show interfaces <type> <name> event-log <event-type>: Display interface-specific logs filtered by event type.

Change Summary

Types of changes

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Code style update (formatting, renaming)
  • Refactoring (no functional changes)
  • Migration from an old Vyatta component to vyos-1x, please link to related PR inside obsoleted component
  • Other (please describe):

Related Task(s)

Related PR(s)

Component(s) name

Proposed changes

log examples:

run show log network-event interface eth1

Dec 03 09:23:34 vyos-network-event-logger[21158]: [LINK]   3: eth1:  <BROADCAST,MULTICAST>  mtu 1500  qdisc fq_codel  state DOWN  group 0  link/ether 0c:89:0a:2e:00:01  brd ff:ff:ff:ff:ff:ff  [altname enp0s4] [altname ens4]
Dec 03 09:23:34 vyos-network-event-logger[21158]: [NEIGH]  Deleted  ff02::16  dev eth1 lladdr 33:33:00:00:00:16    NOARP
Dec 03 09:23:40 vyos-network-event-logger[21158]: [LINK]   3: eth1:  <BROADCAST,MULTICAST,UP,LOWER_UP>  mtu 1500  qdisc fq_codel  state UP  group 0  link/ether 0c:89:0a:2e:00:01  brd ff:ff:ff:ff:ff:ff  [altname enp0s4] [altname ens4]
Dec 03 09:23:40 vyos-network-event-logger[21158]: [ROUTE]  broadcast 10.0.0.255 tos 0  dev eth1 table local proto kernel scope link src 10.0.0.1
Dec 03 09:23:40 vyos-network-event-logger[21158]: [ROUTE]  unicast 10.0.0.0/24 tos 0  dev eth1 table main proto kernel scope link src 10.0.0.1
Dec 03 09:23:40 vyos-network-event-logger[21158]: [ROUTE]  multicast ff00::/8 tos 0  dev eth1 table local proto kernel metric 256  pref medium

How to test

To check the correct parsing you can use logs from ip monitor label
configure network-event logger to listen events:

conf
set service monitoring network-event event addr
set service monitoring network-event event link
set service monitoring network-event event neigh
set service monitoring network-event event route
set service monitoring network-event event rule
commit

you can use IP utils to manipulate the interface and check logs or use some set interface * commands e.g.

generate pki ca install test_ca

conf
set interfaces bonding bond1 address 11.11.11.11/32
commit
run show interfaces bonding bond1 event-log
del interfaces bonding bond1
commit

set interfaces bridge br1 address 11.11.11.11/32
commit
run show interfaces bridge br1 event-log
del interfaces bridge br1
commit

set interfaces dummy dum1 address 11.11.11.11/32
commit
run show interfaces dummy dum1  event-log
del interfaces dummy dum1
commit

sudo ip link set down dev eth1
sudo ip link set up dev eth1
run show interfaces ethernet eth1 event-log

set interfaces geneve gnv1  address 11.11.11.11/32
set interfaces geneve gnv1 remote 127.0.0.1
set interfaces geneve gnv1 vni 10
commit
run show interfaces geneve gnv1 event-log
del interfaces geneve gnv1
commit

set interfaces input ifb1 redirect eth1
commit
run show interfaces input ifb1  event-log
del interfaces input ifb1
commit

set interfaces loopback lo address 11.11.11.11/32
commit
run show interfaces loopback lo event-log
del interfaces loopback lo address
commit

set interfaces macsec macsec1 address '11.11.11.11/32'
set interfaces macsec macsec1 security cipher 'gcm-aes-128'
set interfaces macsec macsec1 source-interface 'eth1'
commit
run show interfaces macsec macsec1 event-log
del interfaces macsec macsec1
commit

set interfaces pseudo-ethernet peth1 address '11.11.11.11/32'
set interfaces pseudo-ethernet peth1 source-interface 'eth1'
commit
run show interfaces pseudo-ethernet peth1 event-log
del interfaces pseudo-ethernet peth1
commit

set interfaces sstpc sstpc1 server '127.0.0.1'
set interfaces sstpc sstpc1 ssl ca-certificate 'test_ca'
commit
run show interfaces sstpc sstpc1 event-log
del interfaces sstpc sstpc1
commit

set interfaces tunnel tun1 address '11.11.11.11/32'
set interfaces tunnel tun1 encapsulation 'gre'
set interfaces tunnel tun1 source-interface 'eth1'
commit
run show interfaces tunnel tun1 event-log
del interfaces tunnel tun1
commit

set interfaces virtual-ethernet veth1 address '11.11.11.11/32'
set interfaces virtual-ethernet veth1 peer-name 'veth2'
set interfaces virtual-ethernet veth2 peer-name 'veth1'
commit
run show interfaces virtual-ethernet veth1 event-log
del interfaces virtual-ethernet veth1
del interfaces virtual-ethernet veth2
commit

set interfaces vti vti1 address 11.11.11.11/32
commit
run show interfaces vti vti1 event-log
del interfaces vti vti1
commit

set interfaces vxlan vxlan1 address '11.11.11.11/32'
set interfaces vxlan vxlan1 mtu '1400'
set interfaces vxlan vxlan1 source-interface 'eth1'
set interfaces vxlan vxlan1 vni '12'
commit
run show interfaces vxlan vxlan1 event-log
del interfaces vxlan
commit

Smoketest result

vyos@vyos:~$ python3 /usr/libexec/vyos/tests/smoke/cli/test_service_monitoring_network_event.py 
test_network_event_log (__main__.TestMonitoringNetworkEvent.test_network_event_log) ... ok

----------------------------------------------------------------------
Ran 1 test in 6.043s

OK

Checklist:

  • I have read the CONTRIBUTING document
  • I have linked this PR to one or more Phabricator Task(s)
  • I have run the components SMOKETESTS if applicable
  • My commit headlines contain a valid Task id
  • My change requires a change to the documentation
  • I have updated the documentation accordingly

@HollyGurza HollyGurza requested a review from a team as a code owner December 3, 2024 09:25
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github-actions bot commented Dec 3, 2024 •
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No issues in PR Title / Commit Title

@jestabro
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As mentioned on Slack, this should be rebased over current and pushed to sync with the changes in
#4226
vyos/vyos-build#824

A local build of this PR confirms a successful build and smoketests.

@HollyGurza
T6641: Add vyos-network-event-logger Service
b9e3eb8 
The service parses and logs network events for improved monitoring and diagnostics.
Supported event types include:

- `RTM_NEWROUTE`, `RTM_DELROUTE`
- `RTM_NEWLINK`, `RTM_DELLINK`
- `RTM_NEWADDR`, `RTM_DELADDR`
- `RTM_NEWNEIGH`, `RTM_DELNEIGH`, `RTM_GETNEIGH`
- `RTM_NEWRULE`, `RTM_DELRULE`

Added operational mode commands for filtered log retrieval:
- `show log network-event <event-type> <interface>`: Retrieve logs filtered by event type and interface.
- `show interfaces <type> <name> event-log <event-type>`: Display interface-specific logs filtered by event type.
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CI integration ❌ failed!

Details

CI logs

  • CLI Smoketests (no interfaces) 👍 passed
  • CLI Smoketests (interfaces only) ❌ failed
  • Config tests 👍 passed
  • RAID1 tests 👍 passed
  • TPM tests 👍 passed

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