Merge pull request #43 from holaplex/mpw/add-opa-chart

add opa helm chart

charts/opa/.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/

charts/opa/Chart.yaml

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+apiVersion: v2
+name: opa
+description: Helm chart for opa
+maintainers:
+  - name: Holaplex Engineering
+    email: [email protected]
+
+# 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: "0.48.0"
+sources:
+  - https://github.com/holaplex/helm-charts

charts/opa/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "opa.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 "opa.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 "opa.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "opa.labels" -}}
+helm.sh/chart: {{ include "opa.chart" . }}
+{{ include "opa.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "opa.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "opa.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "opa.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "opa.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

charts/opa/templates/configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "opa.fullname" $ }}
+data:
+  config.yaml: |
+    services:
+      s3:
+        url: "${AWS_BUCKET_URL}"
+        credentials:
+          s3_signing:
+            environment_credentials: {}
+    decision_logs:
+      console: true
+    bundles:
+      authz:
+        service: s3
+        resource: bundle.tar.gz
+        persist: false
+        polling:
+          min_delay_seconds: 30
+          max_delay_seconds: 120

charts/opa/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "opa.fullname" . }}
+  labels:
+    {{- include "opa.labels" . | nindent 4 }}
+  annotations:
+    reloader.stakater.com/auto: "true"
+spec:
+  {{- if not .Values.autoscaling.enabled }}
+  replicas: {{ .Values.replicaCount }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "opa.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "opa.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "opa.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          envFrom:
+            - secretRef:
+                name: {{ include "opa.fullname" . }}
+          ports:
+            - name: http
+              containerPort: 8181
+              protocol: TCP
+          args:
+          - "run"
+          - "--ignore=.*"
+          - "--server"
+          - "-c"
+          - "/etc/opa/config.yaml"
+          livenessProbe:
+            httpGet:
+              scheme: HTTP          
+              port: http
+            initialDelaySeconds: 5      
+            periodSeconds: 5
+          readinessProbe:
+            httpGet:
+              path: /health?bundle=true
+              scheme: HTTP
+              port: http
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }} 
+          volumeMounts:
+            - name: config
+              mountPath: /etc/opa/config.yaml
+              subPath: config.yaml
+      volumes:
+        - name: config
+          configMap:
+            name: {{ include "opa.fullname" . }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

charts/opa/templates/hpa.yaml

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+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v2beta1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "opa.fullname" . }}
+  labels:
+    {{- include "opa.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "opa.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+    {{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        targetAverageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+    {{- end }}
+    {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        targetAverageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    {{- end }}
+{{- end }}

charts/opa/templates/secrets.yaml

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+{{- with .Values.secrets }}
+{{- if .enabled }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "opa.fullname" $ }}
+  annotations:
+    "helm.sh/hook": pre-install
+  labels:
+    {{- include "opa.labels" $ | nindent 4 }}
+type: Opaque
+data:
+  AWS_REGION: {{ required "must set S3 bucket region" .entries.s3Region | b64enc }} 
+  AWS_BUCKET_URL: {{ required "must set S3 bucket Url" .entries.s3BucketUrl | b64enc }} 
+  AWS_ACCESS_KEY_ID: {{ required "must set S3 access key" .entries.s3AccessKey | b64enc }}
+  AWS_SECRET_ACCESS_KEY: {{ required "must set S3 secret key" .entries.s3SecretKey | b64enc }} 
+{{- end }}
+{{- end }}

charts/opa/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "opa.fullname" . }}
+  labels:
+    {{- include "opa.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "opa.selectorLabels" . | nindent 4 }}

charts/opa/templates/serviceaccount.yaml

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+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "opa.serviceAccountName" . }}
+  labels:
+    {{- include "opa.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end }}

charts/opa/values.yaml

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+replicaCount: 1
+image:
+  repository: openpolicyagent/opa
+  tag: 0.48.0-rootless
+  pullPolicy: IfNotPresent
+
+imagePullSecrets: []
+nameOverride: ""
+fullnameOverride: ""
+
+serviceAccount:
+  # Specifies whether a service account should be created
+  create: 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: ""
+
+podAnnotations: {}
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+service:
+  type: ClusterIP
+  port: 80
+
+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
+
+autoscaling:
+  enabled: false
+  minReplicas: 1
+  maxReplicas: 100
+  targetCPUUtilizationPercentage: 80
+  # targetMemoryUtilizationPercentage: 80
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}
+
+secrets:
+  enabled: true
+  entries:
+    s3BucketUrl: ""
+    s3Region: us-east-1
+    s3AccessKey: ""
+    s3SecretKey: ""