Public Information

charts/nappl/templates/networkpolicy.tpl

@@ -0,0 +1,210 @@
+{{- include "nplus.init" $ -}}
+{{- $sapIpRange   := ( (.Values.snc).sapIpRange | default ((.this.security).cni).sapIpRange ) }}
+
+{{- if ((.this.security).cni).createNetworkPolicy }}
+kind: NetworkPolicy
+apiVersion: networking.k8s.io/v1
+metadata:
+  name: {{ .component.fullName }}
+  {{- if .this.utils.includeNamespace }}
+  namespace: {{ .Release.Namespace }}
+  {{- end }}
+  labels:
+    {{- include "nplus.instanceLabels" . | nindent 4 }}
+  annotations:
+    {{- include "nplus.argoWave" . | nindent 4 }}
+    {{- include "nplus.annotations" . | nindent 4 }}
+    {{- include "nplus.securityAnnotations" . | nindent 4 }}
+spec:
+  podSelector:
+    matchLabels:
+    {{- include "nplus.selectorLabels" . | nindent 6 }}
+
+  policyTypes:
+  - Ingress
+  - Egress
+
+  ingress:
+
+  {{- if ( include "nplus.ingressEnabled" . ) }}
+  {{- include "nplus.networkpolicy.allowFromIngress" . | nindent 2 }}
+  {{- end }}
+
+  - from:
+    # access from nappl core in the same instance to setup a cluster
+    - podSelector:
+        matchLabels:
+          nplus/group: {{ .instance.group }}
+          nplus/type: core
+    ports:
+    {{- include "nplus.napplClusterPolicyPorts" . | nindent 4 }}
+    
+  - from:
+    # access from application-layer-setup container in the same instance
+    - podSelector:
+        matchLabels:
+          nplus/group: {{ .instance.group }}
+          nplus/type: application
+    {{- if ((.this.security).cni).excludeUnusedPorts }}
+    ports:
+    {{- include "nplus.defaultPolicyPorts" . | nindent 4 }}
+    {{- end }}
+
+  - from:
+    # access from application-layer-web in the same instance
+    - podSelector:
+        matchLabels:
+          nplus/group: {{ .instance.group }}
+          nplus/type: web
+    {{- if ((.this.security).cni).excludeUnusedPorts }}
+    ports:
+    {{- include "nplus.defaultPolicyPorts" . | nindent 4 }}
+    {{- end }}
+
+  - from:
+    # access from pipeliner in the same instance
+    - podSelector:
+        matchLabels:
+          nplus/group: {{ .instance.group }}
+          # Allow both, Core Mode and AC Mode.
+          # Core Mode Cluster ist handles above
+          nplus/component: pipeliner
+    {{- if ((.this.security).cni).excludeUnusedPorts }}
+    ports:
+    {{- include "nplus.defaultPolicyPorts" . | nindent 4 }}
+    {{- end }}
+
+  - from:
+    # access from cmis-connector in the same instance
+    - podSelector:
+        matchLabels:
+          nplus/group: {{ .instance.group }}
+          nplus/type: cmis
+    {{- if ((.this.security).cni).excludeUnusedPorts }}
+    ports:
+    {{- include "nplus.defaultPolicyPorts" . | nindent 4 }}
+    {{- end }}
+
+  - from:
+    # access from ilm-connector in the same instance
+    - podSelector:
+        matchLabels:
+          nplus/group: {{ .instance.group }}
+          nplus/type: ilm
+    {{- if ((.this.security).cni).excludeUnusedPorts }}
+    ports:
+    {{- include "nplus.defaultPolicyPorts" . | nindent 4 }}
+    {{- end }}
+    
+  - from:
+    # access from webdav-connector in the same instance
+    - podSelector:
+        matchLabels:
+          nplus/group: {{ .instance.group }}
+          nplus/type: webdav
+    {{- if ((.this.security).cni).excludeUnusedPorts }}
+    ports:
+    {{- include "nplus.defaultPolicyPorts" . | nindent 4 }}
+    {{- end }}
+
+#  - from:
+#    # access from xta-connector in the same instance
+#    - podSelector:
+#        matchLabels:
+#          app: xta-connector
+#    ports:
+#      - protocol: TCP
+#        port: {{ (.this.meta).ports.http }}
+#  - from:
+#    # access from process-automation-modeler in the same namespace
+#    - podSelector:
+#        matchLabels:
+#          app: process-automation-modeler
+#    ports:
+#      - protocol: TCP
+#        port: {{ (.this.meta).ports.http }}
+
+  - from:
+    # PAM Access
+    - namespaceSelector:
+        matchExpressions:
+          - {key: kubernetes.io/metadata.name, operator: In, values: [{{ .this.security.cni.pamNamespace }}]}
+    - podSelector:
+        matchLabels:
+          nplus/instance: {{ .this.security.cni.pamInstance }}
+          nplus/component: pam
+    {{- if ((.this.security).cni).excludeUnusedPorts }}
+    ports:
+    {{- include "nplus.defaultPolicyPorts" . | nindent 4 }}
+    {{- end }}
+
+  {{- include "nplus.networkpolicy.allowFromAdmin" . | nindent 2 }}
+  {{- include "nplus.networkpolicy.allowFromMon" . | nindent 2 }}
+
+  egress:
+
+  {{- if and (.Values.snc).enabled $sapIpRange }}
+  #
+  # Allow access to out-of-cluster SAP Systems for SNC
+  #
+  - to:
+    - ipBlock:
+        cidr: {{ $sapIpRange }}
+  {{- end }}
+
+  {{- with ((.this.security).cni).dbIpRange }}
+  #
+  # Allow access to out-of-cluster DB Systems
+  #
+  - to:
+    - ipBlock:
+        cidr: {{ . }}
+  {{- end }}
+
+  #
+  # allow database access in the same instance
+  #
+  - to:
+    - podSelector:
+        matchLabels:
+          nplus/group: {{ .instance.group }}
+          nplus/type: database
+  #
+  # allow access to other cluster pods
+  #
+  - to:
+    - podSelector:
+        matchLabels:
+          nplus/group: {{ .instance.group }}
+          nplus/type: core
+  #
+  # access to storage-layer in the same instance
+  #
+  - to:
+    - podSelector:
+        matchLabels:
+          nplus/group: {{ .instance.group }}
+          nplus/type: nstl
+  #
+  # access to rendition server in the same instance
+  #
+  - to:
+    - podSelector:
+        matchLabels:
+          nplus/group: {{ .instance.group }}
+          nplus/type: rs
+
+  {{- if eq ((semver .component.version) | (semver "9.1.1200").Compare) 1 }}
+  #
+  # access to Kubernetes API for KubePing in older versions of nappl
+  #
+  # {{ .component.version }} is less than 9.1.1200 ({{ semver .component.version | (semver "9.1.1200").Compare }})
+  # so we add the old kubePing mechanics.
+  - ports:
+      - protocol: TCP
+        port: 16443
+      - protocol: TCP
+        port: 443
+  {{- end }}
+
+{{- end }}