[bitnami/zookeeper] add egress rule into network policy for intra-node communication (#2596)

* add egress rule into network policy for intra-node communication

* bump chart version

* [bitnami/zookeeper] Update components versions

Signed-off-by: Bitnami Containers <containers@bitnami.com>

Co-authored-by: Bitnami Containers <containers@bitnami.com>
Co-authored-by: Javier J. Salmerón-García <jsalmeron@bitnami.com>

bitnami/zookeeper/templates/networkpolicy.yaml

@@ -24,10 +24,14 @@ spec:
             matchLabels: {}
       {{- end }}
     # Internal ports
-    - ports:
+    - ports: &intranodes_ports
         - port: {{ .Values.service.followerPort }}
         - port: {{ .Values.service.electionPort }}
       from:
         - podSelector:
             matchLabels: {{- include "zookeeper.matchLabels" . | nindent 14 }}
+  egress:
+    - ports: *intranodes_ports
+    # Allow outbound connections from zookeeper nodes
+
 {{- end }}

bitnami/zookeeper/values-production.yaml

@@ -14,7 +14,7 @@
 image:
   registry: docker.io
   repository: bitnami/zookeeper
-  tag: 3.6.1-debian-10-r20
+  tag: 3.6.1-debian-10-r24
   
   ## Specify a imagePullPolicy
   ## Defaults to 'Always' if image tag is 'latest', else set to 'IfNotPresent'

bitnami/zookeeper/values.yaml

@@ -14,7 +14,7 @@
 image:
   registry: docker.io
   repository: bitnami/zookeeper
-  tag: 3.6.1-debian-10-r20
+  tag: 3.6.1-debian-10-r24
   
   ## Specify a imagePullPolicy
   ## Defaults to 'Always' if image tag is 'latest', else set to 'IfNotPresent'