ZoneIngresses are not garbage collected

[nicoche]

What happened?

Kuma version 2.5

It seems that disconnected ZoneIngresses are not being cleaned up. Here is an example of a ZoneIngress disconnected since a few weeks:

Here is an example ZoneIngressInsight:

{
  "subscriptions": [
    {
      "id": "fb25e856-02d2-4508-b6c9-6cabebe54e46",
      "controlPlaneInstanceId": "cp-v2-fra1-65ccf5cbfd-xns5l-c1af",
      "connectTime": "2023-12-08T08:01:48.354625590Z",
      "disconnectTime": "2023-12-08T09:01:49.621651397Z",
      "status": {
        "lastUpdateTime": "2023-12-08T08:01:49.621132910Z",
        "total": {
          "responsesSent": "2",
          "responsesAcknowledged": "4"
        },
        "cds": {
          "responsesSent": "1",
          "responsesAcknowledged": "2"
        },
        "eds": {},
        "lds": {
          "responsesSent": "1",
          "responsesAcknowledged": "2"
        },
        "rds": {}
      },
      "version": {
        "kumaDp": {
          "version": "0.0.0-preview.v0e49166df",
          "gitTag": "none",
          "gitCommit": "0e49166dfc0e08392bd3259515633eee6b0e5c4c",
          "buildDate": "2023-11-24T21:40:10Z",
          "kumaCpCompatible": true
        },
        "envoy": {
          "version": "1.27.0",
          "build": "7bba38b743bb3bca22dffb4a21c38ccc155fbef8/1.27.0/Modified/RELEASE/BoringSSL",
          "kumaDpCompatible": true
        }
      },
      "generation": 24
    },
    {
      "id": "3499a1e7-c545-4189-8f8b-61f8aa66538f",
      "controlPlaneInstanceId": "cp-v2-fra1-65ccf5cbfd-b8xcq-f486",
      "connectTime": "2023-12-08T09:01:50.054905886Z",
      "disconnectTime": "2023-12-08T09:07:41.546965959Z",
      "status": {
        "lastUpdateTime": "2023-12-08T09:01:51.277599407Z",
        "total": {
          "responsesSent": "2",
          "responsesAcknowledged": "4"
        },
        "cds": {
          "responsesSent": "1",
          "responsesAcknowledged": "2"
        },
        "eds": {},
        "lds": {
          "responsesSent": "1",
          "responsesAcknowledged": "2"
        },
        "rds": {}
      },
      "version": {
        "kumaDp": {
          "version": "0.0.0-preview.v0e49166df",
          "gitTag": "none",
          "gitCommit": "0e49166dfc0e08392bd3259515633eee6b0e5c4c",
          "buildDate": "2023-11-24T21:40:10Z",
          "kumaCpCompatible": true
        },
        "envoy": {
          "version": "1.27.0",
          "build": "7bba38b743bb3bca22dffb4a21c38ccc155fbef8/1.27.0/Modified/RELEASE/BoringSSL",
          "kumaDpCompatible": true
        }
      },
      "generation": 2
    }
  ]
}

With

creation_time     | 2023-11-22 20:18:03.630251
modification_time | 2023-12-08 09:07:41.548026

More info: https://kuma-mesh.slack.com/archives/CN2GN4HE1/p1707322051004629

[lobkovilya]

Unfortunately, we just haven't implemented this for ZoneIngress/ZoneEgresses https://github.com/kumahq/kuma/blob/master/pkg/gc/collector.go#L73-L101 (only DPPs here).

[github-actions[bot]]

This issue was inactive for 90 days. It will be reviewed in the next triage meeting and might be closed. If you think this issue is still relevant, please comment on it or attend the next triage meeting.

[github-actions[bot]]

This issue was inactive for 90 days. It will be reviewed in the next triage meeting and might be closed. If you think this issue is still relevant, please comment on it or attend the next triage meeting.