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Let the apiserver reach argocd and longhorn-replica-affinity #80

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Merged
yama6a merged 1 commit into from
Sep 11, 2026
Merged

Let the apiserver reach argocd and longhorn-replica-affinity #80

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3 changes: 3 additions & 0 deletions argo_apps/platform/charts/01_argocd/templates/networkpolicy.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,9 @@ spec:
# Component mesh within the argocd namespace (repo-server :8081, redis :6379, ...).
- fromEndpoints:
- {}
# Watch replies from the apiserver land on ephemeral ports. Conntrack covers them while the entry
# lives; once it ages out mid-stream the retransmit arrives as a new flow with no rule to match.
- fromEntities: [kube-apiserver]
egress:
# DNS.
- toEndpoints:
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12 changes: 10 additions & 2 deletions argo_apps/platform/charts/03_longhorn_replica_affinity/templates/networkpolicy.yaml
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Expand Up @@ -11,11 +11,16 @@ spec:
app.kubernetes.io/name: longhorn-replica-affinity
app.kubernetes.io/component: webhook
ingress:
# Without this every mutation times out, and failurePolicy Ignore makes that silent.
- fromEntities: [kube-apiserver]
# Without this every mutation times out, and failurePolicy Ignore makes that silent. The call arrives
# SNATed to the node that hosts the apiserver, so the identity is remote-node and kube-apiserver alone
# never matches the SYN.
- fromEntities: [kube-apiserver, remote-node]
toPorts:
- ports:
- {port: "8443", protocol: TCP}
# Apiserver replies on ephemeral ports, for the egress below. Conntrack covers them until the entry
# ages out mid-stream, and the retransmit then arrives as a new flow with no rule to match.
- fromEntities: [kube-apiserver]
- fromEndpoints:
- matchLabels:
k8s:io.kubernetes.pod.namespace: monitoring
Expand Down Expand Up @@ -53,6 +58,9 @@ spec:
toPorts:
- ports:
- {port: "9100", protocol: TCP}
# Apiserver replies on ephemeral ports, for the egress below. Conntrack covers them until the entry
# ages out mid-stream, and the retransmit then arrives as a new flow with no rule to match.
- fromEntities: [kube-apiserver]
egress:
- toEndpoints:
- matchLabels:
Expand Down