bgpstatus: replace netlink collector with gNMI Get#3674
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bgpstatus: replace netlink collector with gNMI Get#3674juan-malbeclabs wants to merge 2 commits intomainfrom
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Replace the Linux-specific netlink-based BGP session collector with a gNMI Get call to Arista's local gNMI server (/var/run/gnmiServer.sock). - Remove NamespaceCollector, vrfNamespaces(), and namespace switching logic; add BGPCollector interface (no namespace parameter) - Add GNMIClient interface and GNMICollector() that queries all BGP neighbors across all network-instances in a single Get request - Simplify per-user peer IP matching: check both IPs in the /31 tunnel net instead of finding the local tunnel interface first - Remove //go:build linux build tag; code is now platform-agnostic - Consolidate submitter_linux_test.go into submitter_test.go; add tests for parseEstablished, neighborAddress, and tick() with gNMI collector
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Summary of Changes
/var/run/gnmiServer.sock), querying all BGP neighbor state across all network instances in a single requestvrfNamespaces,setns) and tunnel interface discovery (FindLocalTunnel); simplify peer IP matching to checking both IPs in the user's /31 tunnel net//go:build linuxbuild tag andBGPNamespaceconfig field; consolidate platform-specific test file into a single cross-platformsubmitter_test.goDiff Breakdown
Net deletion branch: removes more complexity than it adds — namespace switching, netlink, and tunnel discovery logic replaced by a single gNMI call.
Key files (click to expand)
controlplane/telemetry/internal/bgpstatus/submitter.go— removesDefaultCollectorand namespace loop; addsGNMIClientinterface,GNMICollector,parseEstablished,neighborAddress; simplifiestick()to a single collector callcontrolplane/telemetry/internal/bgpstatus/bgpstatus.go— replacesNamespaceCollectorwithBGPCollector(no namespace param, no ifaces return); removesvrfNamespaces,bgpSocket,buildEstablishedIPSet,rootNamespace; addspeerIPsFor31controlplane/telemetry/internal/bgpstatus/submitter_test.go— consolidates two test files; adds tests forparseEstablished,neighborAddress,peerIPsFor31, andtick()with gNMI mockscontrolplane/telemetry/cmd/telemetry/main.go— wires gRPC connection to/var/run/gnmiServer.sock(namespace-aware) and passesGNMICollectorto the submitterTesting Verification
go test ./controlplane/telemetry/internal/bgpstatus/...)parseEstablishedtested against all BGP session states (ESTABLISHED, IDLE, ACTIVE, CONNECT, OPENSENT, OPENCONFIRM), multiple neighbors, and neighbor-address in prefix vs. update path