nic-6443 commented on code in PR #1034:
URL:
https://github.com/apache/apisix-helm-chart/pull/1034#discussion_r4532857019
##########
charts/apisix/README.md:
##########
@@ -72,6 +72,51 @@ OpenShift that assign a UID, omit the explicit `runAsUser`
value.
These options do not configure `extraInitContainers` and have no effect when
`etcd.enabled` is false.
+## Connect to external etcd with server-only TLS
+
+For external etcd, the URL scheme in `externalEtcd.host` selects HTTP or HTTPS.
+`etcd.auth.tls.enabled` controls client certificates; leave it `false` when
etcd
+does not require a client certificate. The `verify` and `sni` settings apply
+independently of that flag.
+
+For example, to connect to an IP endpoint using a CA stored in a Secret:
+
+```yaml
+apisix:
+ ssl:
+ enabled: true
+ existingCASecret: etcd-ca
+ certCAFilename: ca.crt
+etcd:
+ enabled: false
+ auth:
+ tls:
+ enabled: false
Review Comment:
This configuration is unreasonable. When `tls.enabled` is set to false, the
configured sni and verify become meaningless:
```
{{- if .Values.etcd.auth.tls.enabled }}
tls:
{{- .with .Values.etcd.auth.tls.certFilename }}
cert: "/etcd-ssl/{{ .Values.etcd.auth.tls.certFilename }}"
key: "/etcd-ssl/{{ .Values.etcd.auth.tls.certKeyFilename }}"
{{- end }}
verify: {{ .Values.etcd.auth.tls.verify }}
{{- with .Values.etcd.auth.tls.sni }}
sni: {{ . | quote }}
{{- end }}
{{- end }}
```
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