[etcd] Update etcd application (fix resources and headless services) (#1128)

ref to https://github.com/cozystack/cozystack/pull/1127,
https://github.com/clastix/kamaji/issues/856 and
https://github.com/aenix-io/etcd-operator/pull/291

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **New Features**
  * Updated etcd chart to version 2.9.0.
* **Improvements**
* Simplified etcd endpoint configuration to use a single static
endpoint.
* Expanded TLS certificate DNS names to include additional service
addresses.
  * Streamlined resource configuration for etcd deployment.
* **Chores**
  * Updated version mapping for etcd package.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/extra/etcd/Chart.yaml

@@ -3,4 +3,4 @@ name: etcd
 description: Storage for Kubernetes clusters
 icon: /logos/etcd.svg
 type: application
-version: 2.8.0
+version: 2.9.0

packages/extra/etcd/templates/datastore.yaml

@@ -6,9 +6,7 @@ metadata:
 spec:
   driver: etcd
   endpoints:
-  {{- range $i := until (int $.Values.replicas) }}
-  - etcd-{{ $i }}.etcd-headless.{{ $.Release.Namespace }}.svc:2379
-  {{- end }}
+  - etcd.{{ $.Release.Namespace }}.svc:2379
   tlsConfig:
     certificateAuthority:
       certificate:
@@ -47,4 +45,4 @@ metadata:
   name: etcd-client-tls
   annotations:
     helm.sh/hook: pre-install
-    helm.sh/resource-policy: keep
+    helm.sh/resource-policy: keep

packages/extra/etcd/templates/etcd-cluster.yaml

@@ -47,7 +47,7 @@ spec:
           containerPort: 2381
           protocol: TCP
         {{- with .Values.resources }}
-        resources: {{- toYaml . | nindent 10 }}
+        resources: {{- include "cozy-lib.resources.sanitize" (list . $) | nindent 10 }}
         {{- end }}
       topologySpreadConstraints:
       - maxSkew: 1
@@ -152,6 +152,8 @@ spec:
     - "signing"
     - "key encipherment"
   dnsNames:
+  - etcd
+  - etcd.{{ $.Release.Namespace }}.svc
   {{- range $i := until (int $.Values.replicas) }}
   - etcd-{{ $i }}
   - etcd-{{ $i }}.etcd-headless
@@ -186,6 +188,8 @@ spec:
     - "signing"
     - "key encipherment"
   dnsNames:
+  - etcd
+  - etcd.{{ $.Release.Namespace }}.svc
   {{- range $i := until (int $.Values.replicas) }}
   - etcd-{{ $i }}
   - etcd-{{ $i }}.etcd-headless

packages/extra/etcd/values.yaml

@@ -10,9 +10,5 @@ replicas: 3
 
 ## @param resources Resources
 resources:
-  limits:
-    cpu: 1000m
-    memory: 1Gi
-  requests:
-    cpu: 100m
-    memory: 512Mi
+  cpu: 4
+  memory: 1Gi

packages/extra/versions_map

@@ -12,7 +12,8 @@ etcd 2.5.0 24fa7222
 etcd 2.6.0 8c460528
 etcd 2.6.1 45a7416c
 etcd 2.7.0 632224a3
-etcd 2.8.0 HEAD
+etcd 2.8.0 4369b031
+etcd 2.9.0 HEAD
 info 1.0.0 93bdf411
 info 1.0.1 632224a3
 info 1.1.0 HEAD