Add Helm Charts

charts/nlk/.helmignore

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+# Patterns to ignore when building packages.
+.png

charts/nlk/Chart.yaml

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+apiVersion: v2
+appVersion: 0.1.0
+description: NGINX LoadBalancer for Kubernetes
+name: nginx-loadbalancer-kubernetes
+home: https://github.com/nginxinc/nginx-loadbalancer-kubernetes
+icon: https://raw.githubusercontent.com/nginxinc/nginx-loadbalancer-kubernetes/main/nlk-logo.svg
+keywords:
+- nginx
+- loadbalancer
+- ingress
+kubeVersion: '>= 1.22.0-0'
+maintainers:
+  name: "@ciroque"
+  name: "@chrisakker"
+type: application
+version: 0.0.1

charts/nlk/templates/_helpers.tpl

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+{{/* vim: set filetype=mustache: */}}
+
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "nlk.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 "nlk.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 a default fully qualified nlk name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+*/}}
+{{- define "nlk.nlk.fullname" -}}
+{{- printf "%s-%s" (include "nlk.fullname" .) .Values.nlk.name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified nlk service name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+*/}}
+{{- define "nlk.nlk.service.name" -}}
+{{- default (include "nlk.nlk.fullname" .) .Values.serviceNameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "nlk.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "nlk.labels" -}}
+helm.sh/chart: {{ include "nlk.chart" . }}
+{{ include "nlk.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "nlk.selectorLabels" -}}
+{{- if .Values.nlk.selectorLabels -}}
+{{ toYaml .Values.nlk.selectorLabels }}
+{{- else -}}
+app.kubernetes.io/name: {{ include "nlk.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Expand the name of the configmap.
+*/}}
+{{- define "nlk.configName" -}}
+{{- if .Values.nlk.customConfigMap -}}
+{{ .Values.nlk.customConfigMap }}
+{{- else -}}
+{{- default (include "nlk.fullname" .) .Values.nlk.config.name -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Expand service account name.
+*/}}
+{{- define "nlk.serviceAccountName" -}}
+{{- default (include "nlk.fullname" .) .Values.nlk.serviceAccount.name -}}
+{{- end -}}
+
+{{- define "nlk.tag" -}}
+{{- default .Chart.AppVersion .Values.nlk.image.tag -}}
+{{- end -}}
+
+{{/*
+Expand image name.
+*/}}
+{{- define "nlk.image" -}}
+{{- if .Values.nlk.image.digest -}}
+{{- printf "%s@%s" .Values.nlk.image.repository .Values.nlk.image.digest -}}
+{{- else -}}
+{{- printf "%s:%s" .Values.nlk.image.repository (include "nlk.tag" .) -}}
+{{- end -}}
+{{- end -}}
+
+{{- define "nlk.prometheus.serviceName" -}}
+{{- printf "%s-%s" (include "nlk.fullname" .) "prometheus-service"  -}}
+{{- end -}}

charts/nlk/templates/clusterrole.yaml

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+{{- if .Values.rbac.create }}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: resource-get-watch-list
+  namespace: nlk
+rules:
+  - apiGroups:
+    - ""
+    resources:
+    - configmaps
+    - nodes
+    - secrets
+    - services
+    verbs:
+    - get
+    - list
+    - watch
+{{- end }}

charts/nlk/templates/clusterrolebinding.yaml

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+{{- if .Values.rbac.create }}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: "nginx-loadbalancer-kubernetes:resource-get-watch-list"
+  namespace: nlk
+subjects:
+- kind: ServiceAccount
+  name: {{ .Values.nlk.serviceAccount.name }}
+  namespace: nlk
+roleRef:
+  kind: ClusterRole
+  name: resource-get-watch-list
+  apiGroup: rbac.authorization.k8s.io
+{{- end }}

charts/nlk/templates/nlk-configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: nlk-config
+  namespace: nlk
+data:
+{{- if .Values.nlk.config.entries.hosts }}
+  nginx-hosts: "{{ .Values.nlk.config.entries.hosts }}"
+{{- end }}
+  tls-mode: "{{ .Values.nlk.defaultTLS.tls-mode }}"
+  ca-certificate: "{{ .Values.nlk.defaultTLS.ca-certificate }}"
+  client-certificate: "{{ .Values.nlk.defaultTLS.client-certificate }}"
+  log-level: "{{ .Values.nlk.logLevel }}"

charts/nlk/templates/nlk-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}-nlk
+  namespace: nlk
+  labels:
+    app: nlk
+spec:
+  replicas: {{ .Values.nlk.replicaCount }}
+  selector:
+    matchLabels:
+      app: nlk
+  template:
+    metadata:
+      labels:
+        app: nlk
+    spec:
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.nlk.image.repository }}:{{ .Values.nlk.image.tag }}"
+          imagePullPolicy: {{ .Values.nlk.image.pullPolicy }}
+          ports:
+{{- range $key, $value := .Values.nlk.containerPort }}
+            - name: {{ $key }}
+              containerPort: {{ $value }}
+              protocol: TCP
+{{- end }}
+{{- if .Values.nlk.liveStatus.enable }}
+          livenessProbe:
+            httpGet:
+              path: /livez
+              port: {{ .Values.nlk.liveStatus.port }}
+            initialDelaySeconds: {{ .Values.nlk.liveStatus.initialDelaySeconds }}
+            periodSeconds: {{ .Values.nlk.readyStatus.periodSeconds }}
+{{- end }}
+{{- if .Values.nlk.readyStatus.enable }}
+          readinessProbe:
+            httpGet:
+              path: /readyz
+              port: {{ .Values.nlk.readyStatus.port }}
+            initialDelaySeconds: {{ .Values.nlk.readyStatus.initialDelaySeconds }}
+            periodSeconds: {{ .Values.nlk.readyStatus.periodSeconds }}
+{{- end }}
+      serviceAccountName: {{ .Values.nlk.serviceAccount.name }}

charts/nlk/templates/nlk-secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: nginx-loadbalancer-kubernetes-secret
+  namespace: nlk
+  annotations:
+    kubernetes.io/service-account.name: {{ .Values.nlk.serviceAccount.name }}
+type: kubernetes.io/service-account-token

charts/nlk/templates/nlk-serviceaccount.yaml

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+{{- if .Values.rbac.create }}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: nginx-loadbalancer-kubernetes
+  namespace: nlk
+{{- end }}

charts/nlk/values.yaml

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+nlk:
+  name: nginx-loadbalancer-kubernetes
+
+  kind: deployment
+
+  replicaCount: 1
+
+  image:
+    repository: ghcr.io/nginxinc/nginx-loadbalancer-kubernetes
+    pullPolicy: Always
+    # Overrides the image tag whose default is the chart appVersion.
+    tag: latest
+
+  imagePullSecrets: []
+  nameOverride: ""
+  fullnameOverride: ""
+
+  serviceAccount:
+    # Specifies whether a service account should be created
+    create: true
+    # Automatically mount a ServiceAccount's API credentials?
+    automount: true
+    # Annotations to add to the service account
+    annotations: {}
+    # The name of the service account to use.
+    # If not set and create is true, a name is generated using the fullname template
+    name: nginx-loadbalancer-kubernetes
+
+  podAnnotations: {}
+  podLabels: {}
+
+  podSecurityContext: {}
+    # fsGroup: 2000
+
+  securityContext: {}
+    # capabilities:
+    #   drop:
+    #   - ALL
+    # readOnlyRootFilesystem: true
+    # runAsNonRoot: true
+    # runAsUser: 1000
+
+  service:
+    type: ClusterIP
+    port: 80
+
+  ingress:
+    enabled: false
+    className: ""
+    annotations: {}
+      # kubernetes.io/ingress.class: nginx
+      # kubernetes.io/tls-acme: "true"
+    hosts:
+      - host: chart-example.local
+        paths:
+          - path: /
+            pathType: ImplementationSpecific
+    tls: []
+    #  - secretName: chart-example-tls
+    #    hosts:
+    #      - chart-example.local
+
+  resources:
+    requests:
+      cpu: 100m
+      memory: 128Mi
+  # limits:
+  #   cpu: 100m
+  #   memory: 128Mi
+
+  autoscaling:
+    enabled: false
+    minReplicas: 1
+    maxReplicas: 3
+    targetCPUUtilizationPercentage: 80
+    # targetMemoryUtilizationPercentage: 80
+
+  # Additional volumes on the output Deployment definition.
+  volumes: []
+  # - name: foo
+  #   secret:
+  #     secretName: mysecret
+  #     optional: false
+
+  # Additional volumeMounts on the output Deployment definition.
+  volumeMounts: []
+  # - name: foo
+  #   mountPath: "/etc/foo"
+  #   readOnly: true
+
+  nodeSelector: {}
+
+  tolerations: []
+
+  affinity: {}
+
+  config:
+    entries:
+      hosts:
+        "http://10.1.1.4:9000/api,http://10.1.1.5:9000/api"
+
+  defaultTLS:
+    tls-mode: "no-tls"
+    ca-certificate: ""
+    client-certificate: ""
+
+  logLevel: "warn"
+
+  containerPort:
+    http: 51031
+
+  liveStatus:
+    enable: true
+    port: 51031
+    initialDelaySeconds: 5
+    periodSeconds: 2
+
+  readyStatus:
+    enable: true
+    port: 51031
+    initialDelaySeconds: 5
+    periodSeconds: 2
+
+rbac:
+  ## Configures RBAC.
+  create: true