{{/* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */}} {{/* abstract: | Creates a network policy manifest for services. values: | network_policy: myLabel: podSelector: matchLabels: component: api ingress: - from: - podSelector: matchLabels: application: keystone ports: - protocol: TCP port: 80 egress: - ports: - port: 53 protocol: UDP to: - namespaceSelector: matchLabels: name: kube-system podSelector: matchLabels: application: kubernetes component: coredns usage: | {{ dict "envAll" . "name" "application" "label" "myLabel" | include "helm-toolkit.manifests.kubernetes_network_policy" }} return: | --- apiVersion: networking.k8s.io/v1 kind: NetworkPolicy metadata: name: RELEASE-NAME namespace: NAMESPACE spec: policyTypes: - Ingress - Egress podSelector: matchLabels: application: myLabel component: api ingress: - from: - podSelector: matchLabels: application: keystone ports: - protocol: TCP port: 80 egress: - ports: - port: 53 protocol: UDP to: - namespaceSelector: {} podSelector: matchLabels: application: kubernetes component: coredns */}} {{- define "helm-toolkit.manifests.kubernetes_network_policy" -}} {{- $envAll := index . "envAll" -}} {{- $name := index . "name" -}} {{- $label := index . "label" -}} --- apiVersion: networking.k8s.io/v1 kind: NetworkPolicy metadata: name: {{ $label }}-netpol namespace: {{ $envAll.Release.Namespace }} spec: {{- if hasKey (index $envAll.Values "network_policy") $label }} policyTypes: {{- $is_egress := false -}} {{- if hasKey (index $envAll.Values.network_policy $label) "policyTypes" }} {{- if has "Egress" (index $envAll.Values.network_policy $label "policyTypes") }} {{ $is_egress = true }} {{- end }} {{- end }} {{ if or $is_egress (index $envAll.Values.network_policy $label "egress") }} - Egress {{- end }} {{- $is_ingress := false -}} {{- if hasKey (index $envAll.Values.network_policy $label) "policyTypes" }} {{- if has "Ingress" (index $envAll.Values.network_policy $label "policyTypes") }} {{- $is_ingress = true -}} {{- end }} {{- end }} {{ if or $is_ingress (index $envAll.Values.network_policy $label "ingress") }} - Ingress {{- end }} {{- end }} podSelector: matchLabels: {{ $name }}: {{ $label }} {{- if hasKey (index $envAll.Values "network_policy") $label }} {{- if hasKey (index $envAll.Values.network_policy $label) "podSelector" }} {{- if index $envAll.Values.network_policy $label "podSelector" "matchLabels" }} {{ index $envAll.Values.network_policy $label "podSelector" "matchLabels" | toYaml | indent 6 }} {{ end }} {{ end }} {{ end }} {{- if hasKey (index $envAll.Values "network_policy") $label }} {{- if index $envAll.Values.network_policy $label "egress" }} egress: {{ index $envAll.Values.network_policy $label "egress" | toYaml | indent 4 }} {{- end }} {{- end }} {{- if hasKey (index $envAll.Values "network_policy") $label }} {{- if index $envAll.Values.network_policy $label "ingress" }} ingress: {{ index $envAll.Values.network_policy $label "ingress" | toYaml | indent 4 }} {{- end }} {{- end }} {{- end }}