ignoreDifferences sometimes does not work

[aqeelat]

Checklist:

• I've searched in the docs and FAQ for my answer: https://bit.ly/argocd-faq.
• I've included steps to reproduce the bug.
• I've pasted the output of argocd version.

Describe the bug

I have an ignoreDifferences in my config. Sometimes, I have to refresh the app for it to work. Sometimes it does not work at all.

To Reproduce
This issue is sporadic and I don't know what I need to reproduce it.
My setup is a private GKE cluster with latest argo version. Sometimes GKE adds these annotations to my services.
my values.yaml:

configs:
  cm:
    resource.customizations.ignoreDifferences.apps_Service: |
      jqPathExpressions:
        - '.metadata.annotations?.["cloud.google.com/l4-rbs"]'
        - '.metadata.annotations?.["cloud.google.com/neg"]'

Example service:

{
    "apiVersion": "v1",
    "kind": "Service",
    "metadata": {
        "annotations": {
            "cloud.google.com/l4-rbs": "enabled",
            "cloud.google.com/neg": "{\"ingress\":true}"
        },
        "creationTimestamp": "2024-08-12T14:20:04Z",
        "labels": {
            "app": "camunda-platform",
            "app.kubernetes.io/component": "operate",
            "app.kubernetes.io/instance": "camunda",
            "app.kubernetes.io/managed-by": "Helm",
            "app.kubernetes.io/name": "camunda-platform",
            "app.kubernetes.io/part-of": "camunda-platform",
            "app.kubernetes.io/version": "8.5.5",
            "argocd.argoproj.io/instance": "camunda",
            "helm.sh/chart": "camunda-platform-10.3.2"
        },
        "name": "camunda-operate",
        "namespace": "camunda",
        "resourceVersion": "145110382",
        "uid": "3ce53846-0b54-4d43-9b70-5432b8ca9906"
    },
    "spec": {
        "clusterIP": "10.57.237.105",
        "clusterIPs": [
            "10.57.237.105"
        ],
        "internalTrafficPolicy": "Cluster",
        "ipFamilies": [
            "IPv4"
        ],
        "ipFamilyPolicy": "SingleStack",
        "ports": [
            {
                "name": "http",
                "port": 80,
                "protocol": "TCP",
                "targetPort": 8080
            }
        ],
        "selector": {
            "app": "camunda-platform",
            "app.kubernetes.io/component": "operate",
            "app.kubernetes.io/instance": "camunda",
            "app.kubernetes.io/managed-by": "Helm",
            "app.kubernetes.io/name": "camunda-platform",
            "app.kubernetes.io/part-of": "camunda-platform"
        },
        "sessionAffinity": "None",
        "type": "ClusterIP"
    },
    "status": {
        "loadBalancer": {}
    }
}

Expected behavior

For the application to not be out of sync.

Version

{
    "Version": "v2.12.3+6b9cd82",
    "BuildDate": "2024-08-27T11:57:48Z",
    "GitCommit": "6b9cd828c6e9807398869ad5ac44efd2c28422d6",
    "GitTreeState": "clean",
    "GoVersion": "go1.22.4",
    "Compiler": "gc",
    "Platform": "linux/amd64",
    "KustomizeVersion": "v5.4.2 2024-05-22T15:19:38Z",
    "HelmVersion": "v3.15.2+g1a500d5",
    "KubectlVersion": "v0.29.6",
    "JsonnetVersion": "v0.20.0"
}

Logs

Paste any relevant application logs here.

[reggie-k]

Can this be helpful?
https://argo-cd.readthedocs.io/en/stable/user-guide/sync-options/#respect-ignore-difference-configs