subscription name per xpath

[jrametta]

I was wondering if it is possible to use event message name or subscription_name on a per xpath basis

I know I can do something like this...

subscriptions:
 ipv4-bgp-routes:
    paths:
      - "/state/service/vprn[service-name=*]/route-table/unicast/ipv4/statistics/bgp"
 ipv4-bgp-vpn-routes:
    paths:
      - "/state/service/vprn[service-name=*]/route-table/unicast/ipv4/statistics/bgp-vpn"
 ipv4-direct-routes:
    paths:
      - "/state/service/vprn[service-name=*]/route-table/unicast/ipv4/statistics/direct"

rather than this...

subscriptions:
  route-counts:
      - "/state/service/vprn[service-name=*]/route-table/unicast/ipv4/statistics/bgp"
      - "/state/service/vprn[service-name=*]/route-table/unicast/ipv4/statistics/bgp-vpn"
      - "/state/service/vprn[service-name=*]/route-table/unicast/ipv4/statistics/direct"

but wondering if there are negatives consequences to this as number of xpaths per router could be many. For example I can see Active RPC count on SROS router is increased.

Any suggestions, basically I'm looking for a way to easily identify a metric name (perhaps in addition to using path-base processor to trim event value keys in response).

thanks!

[karimra]

It's possible to manipulate the metric name using processors as well. strings processor with the replace transform allows you to change the path to the desired metric name.

[jrametta]

Hi @karimra I would like to be able to update "subscription_name" or "name" in event msg. If I have multiple xpaths under the same subscription, then they all have the same name/subscription_name. For example using the 2nd config in my original post, I do not know if this event message belongs to bgp routes, bgp-vpn routes, or direct routes...

[
  {
    "name": "route-counts",
    "timestamp": 1679692200960575500,
    "tags": {
      "source": "r1",
      "subscription-name": "route-counts",
      "vprn_service-name": "vprn1"
    },
    "values": {
      "active-routes": 3,
      "available-routes": 3
    }
  }
]

[karimra]

That's because you apply path-base before replacing the subscription-name. The way to do it is replace subscription-name based on the xpath (values.X) then apply path-base on the values name.

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