Perf eval #1404
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Perf eval #1404
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Signed-off-by: Jarno Rajahalme <[email protected]>
Signed-off-by: Jarno Rajahalme <[email protected]>
Both debug logging and access logging are more intelligible when the original source identity is used, also in the case of the north/south L7 LB, where an "Ingress IP" is used as the source address in the upstream connections. In that case SO_MARK encodes the identity of the Ingress IP so that the source identity seen in the destination is the same when the destination is in the same node (source identity derived from SO_MARK) and when the destination is in a different node (source identity mapped from the source (Ingress) IP). Note that the (original) source identity is used for policy determination only for ingress policy, for which the original source identity was already used. Given this, the only visible change is the source identity as seen on debug/trace logs and (hubble) access logs. Access logs already show the original source address, so this change aligns the recorded source identity with it, so that instead of: Jun 18 12:37:20.940: default/ubuntu-deployment-6f7cc4b9fb-9gmnp:39430 (ingress) -> default/nginx-deployment-worker-7d99874b8b-dw4bt:80 (ID:53552) http-request FORWARDED (HTTP/1.1 GET http://10.96.154.80/) Hubble will show this: Jun 18 15:39:29.763: default/ubuntu-deployment-6f7cc4b9fb-9gmnp:57354 (ID:43964) -> default/nginx-deployment-worker-7d99874b8b-dw4bt:80 (ID:53552) http-request FORWARDED (HTTP/1.1 GET http://10.96.154.80/) where '43964' is the source security identity of 'default/ubuntu-deployment-6f7cc4b9fb-9gmnp' Similarly for north/south the original source identity is recorded in the hubble flow: Jun 18 15:41:15.186: 172.18.0.1:41684 (ID:16777217) -> default/nginx-deployment-worker-7d99874b8b-dw4bt:80 (ID:53552) http-request FORWARDED (HTTP/1.1 GET http://172.18.255.193/) where 16777217 is the node-local source identity if the CIDR 172.18.0.1.
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