Initial version

Signed-off-by: Vincenzo Scamporlino <[email protected]>

.helmignore

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+# 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
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

Chart.lock

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+dependencies:
+- name: common
+  repository: https://charts.bitnami.com/bitnami
+  version: 1.13.1
+digest: sha256:1056dac8da880ed967a191e8d9eaf04766f77bda66a5715456d5dd4494a4a942
+generated: "2022-05-05T12:21:11.653933+02:00"

Chart.yaml

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+apiVersion: v2
+name: backstage
+description: A Helm chart for Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "1.16.0"
+
+dependencies:
+  - name: common
+    repository: https://charts.bitnami.com/bitnami
+    tags:
+      - bitnami-common
+    version: 1.x.x

README.md

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+<!--- app-name: Backstage -->
+
+# Backstage
+
+[Backstage](https://backstage.io) is an open platform for building developer portals. Powered by a centralized software catalog, Backstage restores order to your microservices and infrastructure and enables your product teams to ship high-quality code quickly — without compromising autonomy.
+
+Backstage unifies all your infrastructure tooling, services, and documentation to create a streamlined development environment from end to end.
+
+## TL;DR
+
+```console
+helm repo add backstage https://charts.backstage.io
+helm install my-release backstage
+```
+
+## Introduction
+
+This chart bootstraps a [Backstage](https://backstage.io/docs/deployment/docker) deployment on a [Kubernetes](https://kubernetes.io) cluster using the [Helm](https://helm.sh) package manager.
+
+## Prerequisites
+
+- Kubernetes 1.19+
+- Helm 3.2.0+
+- PV provisioner support in the underlying infrastructure
+
+## Installing the Chart
+
+To install the chart with the release name `my-release`:
+
+```console
+helm repo add backstage https://charts.backstage.io
+helm install my-release backstage
+```
+
+These commands deploy Kafka on the Kubernetes cluster in the default configuration. The [Parameters](#parameters) section lists the parameters that can be configured during installation.
+
+> **Tip**: List all releases using `helm list`
+
+## Uninstalling the Chart
+
+To uninstall/delete the `my-release` deployment:
+
+```console
+helm delete my-release
+```
+
+The command removes all the Kubernetes components associated with the chart and deletes the release.
+
+## Parameters

templates/_helpers.tpl

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+{{/*
+Return the proper image name
+*/}}
+{{- define "backstage.image" -}}
+{{ include "common.images.image" (dict "imageRoot" .Values.backstage.image "global" .Values.global) }}
+{{- end -}}

templates/backstage-deployment.yaml

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+apiVersion: {{ include "common.capabilities.deployment.apiVersion" . }}
+kind: Deployment
+metadata:
+  name: {{ include "common.names.fullname" . }}
+  namespace: {{ .Release.Namespace | quote }}
+  labels: {{- include "common.labels.standard" . | nindent 4 }}
+    app.kubernetes.io/component: backstage
+    {{- if .Values.commonLabels }}
+    {{- include "common.tplvalues.render" ( dict "value" .Values.commonLabels "context" $ ) | nindent 4 }}
+    {{- end }}
+  {{- if .Values.commonAnnotations }}
+  annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
+  {{- end }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels: {{- include "common.labels.matchLabels" . | nindent 6 }}
+      app.kubernetes.io/component: backstage
+  template:
+    metadata:
+      labels: {{- include "common.labels.standard" . | nindent 8 }}
+        app.kubernetes.io/component: backstage
+    spec:
+      containers:
+        - name: backstage-backend
+          # image: 951643378818.dkr.ecr.eu-west-2.amazonaws.com/backstage-sample-app:latest
+          image: {{ include "backstage.image" . }}
+          imagePullPolicy: {{ .Values.backstage.image.pullPolicy | quote }}
+          ports:
+            - name: backend
+              containerPort: {{ .Values.backstage.containerPorts.backend }}
+              # containerPort: 7007
+              protocol: TCP

templates/configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ .Release.Name }}-configmap
+data:
+  myvalue: "Hello World"

templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "common.names.fullname" . }}
+  namespace: {{ .Release.Namespace | quote }} 
+  labels: {{- include "common.labels.standard" . | nindent 4 }}
+    app.kubernetes.io/component: backstage
+    {{- if .Values.commonLabels }}
+    {{- include "common.tplvalues.render" ( dict "value" .Values.commonLabels "context" $ ) | nindent 4 }}
+    {{- end }}
+  {{- if .Values.commonAnnotations }}
+  annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
+  {{- end }}
+spec:
+  type: {{ .Values.service.type }}
+  sessionAffinity: {{ .Values.service.sessionAffinity }}
+  {{- if and (eq .Values.service.type "ClusterIP") .Values.service.clusterIP }}
+  clusterIP: {{ .Values.service.clusterIP }}
+  {{- end }}
+  {{- if or (eq .Values.service.type "LoadBalancer") (eq .Values.service.type "NodePort") }}
+  externalTrafficPolicy: {{ .Values.service.externalTrafficPolicy | quote }}
+  {{- end }}
+  {{- if and (eq .Values.service.type "LoadBalancer") .Values.service.loadBalancerSourceRanges }}
+  loadBalancerSourceRanges: {{ .Values.service.loadBalancerSourceRanges }}
+  {{ end }}
+  {{- if and (eq .Values.service.type "LoadBalancer") (not (empty .Values.service.loadBalancerIP)) }}
+  loadBalancerIP: {{ .Values.service.loadBalancerIP }}
+  {{- end }}
+  ports:
+    - name: backend
+      port: {{ .Values.service.ports.backend }}
+      protocol: TCP
+  selector: {{- include "common.labels.matchLabels" . | nindent 4 }}
+    app.kubernetes.io/component: backstage

values.yaml

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+# Default values for backstage-chart.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+## @section Global parameters
+## Global Docker image parameters
+## Please, note that this will override the image parameters, including dependencies, configured to use the global value
+## Current available global Docker image parameters: imageRegistry, imagePullSecrets and storageClass
+
+## @param global.imageRegistry Global Docker image registry
+## @param global.imagePullSecrets Global Docker registry secret names as an array
+## @param global.storageClass Global StorageClass for Persistent Volume(s)
+##
+global:
+  imageRegistry: ""
+  ## E.g.
+  ## imagePullSecrets:
+  ##   - myRegistryKeySecretName
+  ##
+  imagePullSecrets: []
+  storageClass: ""
+
+## @section Common parameters
+
+## @param kubeVersion Override Kubernetes version
+##
+kubeVersion: ""
+## @param nameOverride String to partially override common.names.fullname
+##
+nameOverride: ""
+## @param fullnameOverride String to fully override common.names.fullname
+##
+fullnameOverride: ""
+## @param clusterDomain Default Kubernetes cluster domain
+##
+clusterDomain: cluster.local
+## @param commonLabels Labels to add to all deployed objects
+##
+commonLabels: {}
+## @param commonAnnotations Annotations to add to all deployed objects
+##
+commonAnnotations: {}
+## @param extraDeploy Array of extra objects to deploy with the release
+##
+extraDeploy: []
+## Enable diagnostic mode in the statefulset
+##
+diagnosticMode:
+  ## @param diagnosticMode.enabled Enable diagnostic mode (all probes will be disabled and the command will be overridden)
+  ##
+  enabled: false
+  ## @param diagnosticMode.command Command to override all containers in the statefulset
+  ##
+  command:
+    - sleep
+  ## @param diagnosticMode.args Args to override all containers in the statefulset
+  ##
+  args:
+    - infinity
+
+## @section Backstage parameters
+
+## Backstage image version
+## @param image.registry Backstage image registry
+## @param image.repository Backstage image repository
+## @param image.tag Backstage image tag (immutable tags are recommended)
+## @param image.pullPolicy Backstage image pull policy
+## @param image.pullSecrets Specify docker-registry secret names as an array
+## @param image.debug Specify if debug values should be set
+##
+
+backstage:
+  image:
+    registry: ""
+    repository: "backstage-sample-app"
+    tag: "latest"
+    ## Specify a imagePullPolicy
+    ## Defaults to 'Always' if image tag is 'latest', else set to 'IfNotPresent'
+    ## ref: https://kubernetes.io/docs/user-guide/images/#pre-pulling-images
+    ##
+    pullPolicy: IfNotPresent
+    ## Optionally specify an array of imagePullSecrets.
+    ## Secrets must be manually created in the namespace.
+    ## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
+    ## e.g:
+    ## pullSecrets:
+    ##   - myRegistryKeySecretName
+    ##
+    pullSecrets: []
+    ## Set to true if you would like to see extra information on logs
+    ##
+    debug: false
+  containerPorts:
+    backend: 7007
+
+## @section Traffic Exposure parameters
+
+## Service parameters
+##
+service:
+  ## @param service.type Kubernetes Service type
+  ##
+  type: LoadBalancer
+  ## @param service.ports.backend Backstage svc port for client connections
+  ##
+  ports:
+    backend: 7007
+  ## @param service.nodePorts.backend Node port for the Backstage client connections
+  ## NOTE: choose port between <30000-32767>
+  ##
+  nodePorts:
+    backend: ""
+  ## @param service.sessionAffinity Control where client requests go, to the same pod or round-robin
+  ## Values: ClientIP or None
+  ## ref: https://kubernetes.io/docs/user-guide/services/
+  ##
+  sessionAffinity: None
+  ## @param service.clusterIP Backstage service Cluster IP
+  ## e.g.:
+  ## clusterIP: None
+  ##
+  clusterIP: ""
+  ## @param service.loadBalancerIP Backstage service Load Balancer IP
+  ## ref: https://kubernetes.io/docs/user-guide/services/#type-loadbalancer
+  ##
+  loadBalancerIP: ""
+  ## @param service.loadBalancerSourceRanges Backstage service Load Balancer sources
+  ## ref: https://kubernetes.io/docs/tasks/access-application-cluster/configure-cloud-provider-firewall/#restrict-access-for-loadbalancer-service
+  ## e.g:
+  ## loadBalancerSourceRanges:
+  ##   - 10.10.10.0/24
+  ##
+  loadBalancerSourceRanges: []
+  ## @param service.externalTrafficPolicy Backstage service external traffic policy
+  ## ref https://kubernetes.io/docs/tasks/access-application-cluster/create-external-load-balancer/#preserving-the-client-source-ip
+  ##
+  externalTrafficPolicy: Cluster
+  ## @param service.annotations Additional custom annotations for Backstage service
+  ##
+  annotations: {}
+  ## @param service.extraPorts Extra ports to expose in the Backstage service (normally used with the `sidecar` value)
+  ##
+  extraPorts: []
+
+## Network policies
+## Ref: https://kubernetes.io/docs/concepts/services-networking/network-policies/
+##
+networkPolicy:
+  ## @param networkPolicy.enabled Specifies whether a NetworkPolicy should be created
+  ##
+  enabled: false
+  ## @param networkPolicy.allowExternal Don't require client label for connections
+  ## When set to false, only pods with the correct client label will have network access to the port Kafka is
+  ## listening on. When true, zookeeper accept connections from any source (with the correct destination port).
+  ##
+  externalAccess:
+    from: []
+  ## @param networkPolicy.egressRules.customRules [object] Custom network policy rule
+  ##
+  egressRules:
+    ## Additional custom egress rules
+    ## e.g:
+    ## customRules:
+    ##   - to:
+    ##       - namespaceSelector:
+    ##           matchLabels:
+    ##             label: example
+    customRules: []