Helm-chart based EE sample packages

sample_ee_ns/sample_ee_nsd.yaml

+nsd:
+  nsd:
+  - description: Single sample_ee VNF
+    df:
+    - id: default-df
+      vnf-profile:
+      - id: sample_ee
+        virtual-link-connectivity:
+        - constituent-cpd-id:
+          - constituent-base-element-id: sample_ee
+            constituent-cpd-id: vnf-mgmt-ext
+          virtual-link-profile-id: mgmtnet
+        - constituent-cpd-id:
+          - constituent-base-element-id: sample_ee
+            constituent-cpd-id: vnf-internal-ext
+          virtual-link-profile-id: internal
+        vnfd-id: sample_ee-vnf
+    id: sample_ee-ns
+    name: sample_ee-ns
+    version: '1.0'
+    virtual-link-desc:
+    - id: mgmtnet
+      mgmt-network: true
+    - id: internal
+    vnfd-id:
+    - sample_ee-vnf

sample_ee_vnf/helm-charts/eechart/.helmignore

+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

sample_ee_vnf/helm-charts/eechart/Chart.yaml

+apiVersion: v1
+appVersion: "1.0"
+description: OSM EE helm chart
+name: eechart
+version: 0.1.0

sample_ee_vnf/helm-charts/eechart/source/install.sh

+#!/bin/bash
+##
+# 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.
+##
+
+echo "Updating operating system"
+apt-get update
+
+# Install ansible libraries
+echo "Installing ansible"
+apt-get install -y software-properties-common
+apt-add-repository --yes --update ppa:ansible/ansible
+apt install -y ansible
+
+# Install library to execute command remotely by ssh
+echo "Installing asynssh"
+python3 -m pip install asyncssh
+
+# Install ping system command
+apt install -y iputils-ping
+
+# Install HTTP python library
+python3 -m pip install requests

sample_ee_vnf/helm-charts/eechart/source/install_nginx.sh

+#!/usr/bin/env bash
+
+set -eux
+sudo -s <<EOF
+apt update
+apt install -y nginx
+systemctl status nginx
+EOF
+

sample_ee_vnf/helm-charts/eechart/source/mylib.py

+##
+# Copyright 2022 Telefonica Investigacion y Desarrollo, S.A.U.
+# This file is part of OSM
+# All Rights Reserved.
+#
+# 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.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact with: nfvlabs@tid.es
+##
+
+import logging
+import asyncio
+import asyncssh
+
+logger = logging.getLogger("osm_ee.vnf")
+
+
+async def ssh_exec(host: str, user: str, command: str
+                           ) -> (int, str):
+    """
+        Execute a remote command via SSH.
+    """
+
+    try:
+        async with asyncssh.connect(host,
+                                    username=user,
+                                    known_hosts=None) as conn:
+            logger.debug("Executing command '{}'".format(command))
+            result = await conn.run(command)
+            logger.debug("Result: {}".format(result))
+            return result.exit_status, result.stderr
+    except Exception as e:
+        logger.error("Error: {}".format(repr(e)))
+        return -1, str(e)

sample_ee_vnf/helm-charts/eechart/source/playbook.yaml

+---
+- hosts: all
+  become: yes
+  tasks:
+  - name: Wait 120 seconds, but only start checking after 10 seconds
+    wait_for_connection:
+      delay: 20
+      timeout: 120
+  - name: Install packages
+    apt:
+      name:
+      - "{{ app }}"
+      state: latest
+      cache_valid_time: 3600

sample_ee_vnf/helm-charts/eechart/source/run_ssh.sh

+#!/usr/bin/env bash
+
+date "+%H:%M:%S Starting $0..."
+IP=$1
+USERNAME=$2
+SCRIPT=$3
+PARAMS=$4
+
+DIR=$(dirname $0)
+
+date "+%H:%M:%S Waiting for $IP to be ready..."
+i=5
+while !  ssh -T -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ConnectTimeout=10 -o LogLevel=ERROR "$USERNAME"@"$IP" 'exit' ; do
+    date "+%H:%M:%S Error accessing $IP, retrying..."
+    sleep 5
+    i=$(( $i - 1 ))
+    [ $i -ge 0 ] || exit 1
+done
+
+date "+%H:%M:%S SSH server is up, sending script '${DIR}/${SCRIPT}'..."
+scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null ${DIR}/${SCRIPT} "$USERNAME"@"$IP":
+if [ $? -ne 0 ]; then
+    date "+%H:%M:%S scp error"
+    exit 1
+fi
+date "+%H:%M:%S OK. Setting file permissions"
+ssh -T -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ConnectTimeout=10 -o LogLevel=ERROR "$USERNAME"@"$IP" "chmod a+x $SCRIPT"
+if [ $? -ne 0 ]; then
+    date "+%H:%M:%S ssh error"
+    exit 1
+fi
+
+COMMAND="./$SCRIPT"
+[ ${#PARAMS} -ge 0 ] || COMMAND="${COMMAND=} $PARAMS"
+date "+%H:%M:%S Running '$COMMAND' on $IP..."
+ssh -T -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ConnectTimeout=10 -o LogLevel=ERROR "$USERNAME"@"$IP" "$COMMAND"
+if [ $? -ne 0 ]; then
+    date "+%H:%M:%S ssh error"
+    exit 1
+fi
+
+date "+%H:%M:%S End"
+exit 0

sample_ee_vnf/helm-charts/eechart/source/vnf_ee.py

+##
+# All Rights Reserved.
+#
+# 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.
+##
+
+import asyncio
+import asyncssh
+import requests
+import logging
+import os
+
+from osm_ee.exceptions import VnfException
+
+import osm_ee.util.util_ee as util_ee
+import osm_ee.util.util_ansible as util_ansible
+import osm_ee.vnf.mylib as mylib
+
+class VnfEE:
+    
+    PLAYBOOK_PATH = "/app/EE/osm_ee/vnf"
+    SSH_SCRIPT = "/app/EE/osm_ee/vnf/run_ssh.sh"
+
+    def __init__(self, config_params):
+        self.logger = logging.getLogger('osm_ee.vnf')
+        self.config_params = config_params
+
+    # config method saves SSH access parameters (host and username) for future use by other methods.
+    # It is mandatory in any case.
+    async def config(self, id, params):
+        self.logger.debug("Execute action config, params: {}".format(params))
+        # Config action is special, params are merged with previous config calls
+        self.config_params.update(params)
+        required_params = ["ssh-hostname"]
+        self._check_required_params(self.config_params, required_params)
+        yield "OK", "Configured"
+    
+    # This method implements the "run_script" primitive. Uncomment and modify it if a primitive requires executing a user
+    # script in the VDU. It needs "file" parameter (script's file to run, must be in "source" directory)
+    # and optionally "parameters" (command-line arguments for script).
+    # async def run_script(self, id, params):
+    #     self.logger.debug("Execute action run_script, params: '{}'".format(params))
+    #     self._check_required_params(params, ["file"])
+
+    #     command = "bash " + self.SSH_SCRIPT + " " + self.config_params["ssh-hostname"] + " " + self.config_params["ssh-username"] + " " + params["file"]
+    #     if "parameters" in params:
+    #         command += " \"" + params.get("parameters", "") + "\""
+    #     self.logger.debug("Command: '{}'".format(command))
+    #     return_code, stdout, stderr = await util_ee.local_async_exec(command)
+    #     if return_code != 0:
+    #         yield "ERROR", "return code {}: {}".format(return_code, stderr.decode())
+    #     else:
+    #         yield "OK", stdout.decode()
+
+    # This method implements the "ansible_playbook" primitive. Uncomment and modify it if a primitive requires
+    # executing an Ansible Playbook. It needs "playbook-name" parameter (playbook file, must be in "source" directory).
+    # async def ansible_playbook(self, id, params):
+    #     self.logger.debug("Execute action ansible_playbook, params: '{}'".format(params))
+
+    #     try:
+    #         self._check_required_params(params, ["playbook-name"])
+    #         params["ansible_user"] = self.config_params["ssh-username"]
+    #         inventory = self.config_params["ssh-hostname"] + ","
+    #         playbook = self.PLAYBOOK_PATH + "/" + params["playbook-name"]
+    #         os.environ["ANSIBLE_HOST_KEY_CHECKING"] = "False"
+    #         return_code, stdout, stderr = await util_ansible.execute_playbook(playbook, inventory, params)
+    #         status = "OK" if return_code == 0 else "ERROR"
+    #         yield status, stdout + stderr
+    #     except Exception as e:
+    #         self.logger.debug("Error executing ansible playbook: {}".format(repr(e)))
+    #         yield "ERROR", str(e)
+
+    # This method implements the "ping" primitive. Uncomment and modify it if a primitive requires
+    # executing a local command (such as ping) on EE. It uses "ssh-hostname" as ping destination.
+    # async def ping(self, id, params):
+    #     self.logger.debug("Execute action ping, params: '{}'".format(params))
+
+    #     command = "ping -c 3 " + self.config_params["ssh-hostname"]
+    #     return_code, stdout, stderr = await util_ee.local_async_exec(command)
+    #     if return_code != 0:
+    #         yield "ERROR", "return code {}: {}".format(return_code, stderr.decode())
+    #     else:
+    #         yield "OK", stdout.decode()
+
+    # This method implements the "http_check" primitive. Uncomment and modify it if a primitive requires
+    # executing embedded python code on VfnEE class. It requests "http://<ssh-hostname>/" using a HTTP library.
+    # async def http_check(self, id, params):
+    #     self.logger.debug("Execute action http_check, params: '{}'".format(params))
+
+    #     try:
+    #         session = requests.Session()
+    #         url = 'http://' + self.config_params["ssh-hostname"]
+    #         self.logger.debug("HTTP GET {}...".format(url))
+    #         req = session.get(url)
+    #         self.logger.debug("{}".format(req.text))
+    #         if req.status_code == 200:
+    #             yield "OK", req.text
+    #         else:
+    #             yield "ERROR", req.text
+    #     except Exception as e:
+    #         self.logger.error("HTTP error: {}".format(repr(e)))
+    #         yield "ERROR", str(e)
+
+    # This method implements the "touch" primitive. Uncomment and modify it if you need a primitive that
+    # imports a user-defined python library. It only needs "file" parameter for creating it in VDU via SSH.
+    # async def touch(self, id, params):
+    #     self.logger.debug("Execute action touch, params: '{}'".format(params))
+
+    #     self._check_required_params(params, ["file"])
+    #     command = "touch" + " " + params["file"]
+    #     return_code, description = await mylib.ssh_exec(self.config_params["ssh-hostname"], self.config_params["ssh-username"], command)
+    #     if return_code != 0:
+    #         yield "ERROR", description
+    #     else:
+    #         yield "OK", description
+
+    # Static method that verifies whether a parameter exists in the map
+    @staticmethod
+    def _check_required_params(params, required_params):
+        for required_param in required_params:
+            if required_param not in params:
+                raise VnfException("Missing required param: {}".format(required_param))

sample_ee_vnf/helm-charts/eechart/templates/NOTES.txt

+1. Get the application URL by running these commands:
+{{- if .Values.ingress.enabled }}
+{{- range $host := .Values.ingress.hosts }}
+  {{- range .paths }}
+  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ . }}
+  {{- end }}
+{{- end }}
+{{- else if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "eechart.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "eechart.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "eechart.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
+  echo http://$SERVICE_IP:{{ .Values.service.port }}
+{{- else if contains "ClusterIP" .Values.service.type }}
+  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "eechart.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  echo "Visit http://127.0.0.1:8080 to use your application"
+  kubectl port-forward $POD_NAME 8080:80
+{{- end }}

sample_ee_vnf/helm-charts/eechart/templates/_helpers.tpl

+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "eechart.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "eechart.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "eechart.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Common labels
+*/}}
+{{- define "eechart.labels" -}}
+app.kubernetes.io/name: {{ include "eechart.name" . }}
+helm.sh/chart: {{ include "eechart.chart" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end -}}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "eechart.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create -}}
+    {{ default (include "eechart.fullname" .) .Values.serviceAccount.name }}
+{{- else -}}
+    {{ default "default" .Values.serviceAccount.name }}
+{{- end -}}
+{{- end -}}

sample_ee_vnf/helm-charts/eechart/templates/configmap.yaml

+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "eechart.fullname" . }}
+data:
+{{ (.Files.Glob "source/*").AsConfig | indent 2 }}

sample_ee_vnf/helm-charts/eechart/templates/generator.yaml

+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: "vnf-snmp-generator-{{ .Values.global.osm.vnf_id | lower }}"
+data:
+  generator.yml: |-
+    {{ .Files.Get "snmp/generator.yml" | nindent 4}}
\ No newline at end of file

sample_ee_vnf/helm-charts/eechart/templates/ingress.yaml

+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "eechart.fullname" . -}}
+{{- $svcPort := .Values.service.port -}}
+{{- if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
+apiVersion: networking.k8s.io/v1beta1
+{{- else -}}
+apiVersion: extensions/v1beta1
+{{- end }}
+kind: Ingress
+metadata:
+  name: {{ $fullName }}
+  labels:
+{{ include "eechart.labels" . | indent 4 }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+{{- if .Values.ingress.tls }}
+  tls:
+  {{- range .Values.ingress.tls }}
+    - hosts:
+      {{- range .hosts }}
+        - {{ . | quote }}
+      {{- end }}
+      secretName: {{ .secretName }}
+  {{- end }}
+{{- end }}
+  rules:
+  {{- range .Values.ingress.hosts }}
+    - host: {{ .host | quote }}
+      http:
+        paths:
+        {{- range .paths }}
+          - path: {{ . }}
+            backend:
+              serviceName: {{ $fullName }}
+              servicePort: {{ $svcPort }}
+        {{- end }}
+  {{- end }}
+{{- end }}

sample_ee_vnf/helm-charts/eechart/templates/mibs.yaml

+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: "vnf-snmp-mibs-{{ .Values.global.osm.vnf_id | lower}}"
+data:
+{{ (.Files.Glob "snmp/mibs/**").AsConfig | indent 2 }}
\ No newline at end of file

sample_ee_vnf/helm-charts/eechart/templates/service.yaml

+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "eechart.fullname" . }}
+  labels:
+{{ include "eechart.labels" . | indent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: grpc
+      protocol: TCP
+      name: grpc
+  selector:
+    app.kubernetes.io/name: {{ include "eechart.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}

sample_ee_vnf/helm-charts/eechart/templates/serviceaccount.yaml

+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ template "eechart.serviceAccountName" . }}
+  labels:
+{{ include "eechart.labels" . | indent 4 }}
+{{- end -}}

sample_ee_vnf/helm-charts/eechart/templates/statefulset.yaml

+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: {{ include "eechart.fullname" . }}
+  labels:
+{{ include "eechart.labels" . | indent 4 }}
+spec:
+  serviceName:  {{ include "eechart.fullname" . }} 
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "eechart.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: {{ include "eechart.name" . }}
+        app.kubernetes.io/instance: {{ .Release.Name }}
+        vnf: {{ .Values.global.osm.vnf_id | lower}}
+    spec:
+      imagePullSecrets:
+      - name: regcred 
+      serviceAccountName: {{ template "eechart.serviceAccountName" . }}
+      securityContext:
+        runAsUser: 0
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: grpc
+              containerPort: 50051
+              protocol: TCP          
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}          
+          volumeMounts:
+          - name: osm-ee
+            mountPath: /app/storage  
+          - name: osm-ee-source
+            mountPath: /app/EE/osm_ee/vnf      
+          - name: snmp-config-volume
+            mountPath: /etc/snmp_exporter
+          - name: vnf-mibs
+            mountPath: /root/.snmp/mibs
+          - name: vnf-generator
+            mountPath: /app/vnf/generator
+      volumes:      
+      - name: osm-ee-source
+        configMap: 
+          name:  {{ include "eechart.fullname" . }}
+      - name: snmp-config-volume
+        hostPath: 
+          path: "/var/lib/osm/snmp_exporter/{{ .Values.global.osm.vnf_id | lower }}/"
+      - name: vnf-mibs
+        configMap:
+          name: "vnf-snmp-mibs-{{ .Values.global.osm.vnf_id | lower}}"
+      - name: vnf-generator
+        configMap:
+          name: "vnf-snmp-generator-{{ .Values.global.osm.vnf_id | lower}}"
+      - name: osm-ee
+        hostPath:
+          path: /var/lib/osm/osm/osm_osm_packages/_data

sample_ee_vnf/helm-charts/eechart/templates/tests/test-connection.yaml

+apiVersion: v1
+kind: Pod
+metadata:
+  name: "{{ include "eechart.fullname" . }}-test-connection"
+  labels:
+{{ include "eechart.labels" . | indent 4 }}
+  annotations:
+    "helm.sh/hook": test-success
+spec:
+  containers:
+    - name: wget
+      image: busybox
+      command: ['wget']
+      args:  ['{{ include "eechart.fullname" . }}:{{ .Values.service.port }}']
+  restartPolicy: Never

sample_ee_vnf/helm-charts/eechart/values.yaml

+global:
+  osm:
+    vnf_id: AVNFId
+
+# Default values for eechart.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+replicaCount: 1
+
+image:
+  repository: illoret/grpcee
+  tag: latest
+  pullPolicy: IfNotPresent
+
+imagePullSecrets: []
+nameOverride: ""
+fullnameOverride: ""
+
+serviceAccount:
+  # Specifies whether a service account should be created
+  create: false
+  # The name of the service account to use.
+  # If not set and create is true, a name is generated using the fullname template
+  name:
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+service:
+  type: ClusterIP
+  port: 50050
+
+ingress:
+  enabled: false
+  annotations: {}
+    # kubernetes.io/ingress.class: nginx
+    # kubernetes.io/tls-acme: "true"
+  hosts:
+    - host: chart-example.local
+      paths: []
+
+  tls: []
+  #  - secretName: chart-example-tls
+  #    hosts:
+  #      - chart-example.local
+
+resources: {}
+  # We usually recommend not to specify default resources and to leave this as a conscious
+  # choice for the user. This also increases chances charts run on environments with little
+  # resources, such as Minikube. If you do want to specify resources, uncomment the following
+  # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
+  # limits:
+  #   cpu: 100m
+  #   memory: 128Mi
+  # requests:
+  #   cpu: 100m
+  #   memory: 128Mi
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}