Add a helm chart for piper.

.woodpecker/piper.yaml

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+---
+when:
+  path: "charts/piper/**"
+branches:
+  - main
+pipeline:
+  package:
+    image: "docker.io/alpine/helm:latest"
+    secrets: [helm_user, helm_password, helm_repo]
+    commands:
+      - helm plugin install https://github.com/chartmuseum/helm-push
+      - helm repo add therepo $HELM_REPO --username $HELM_USER --password $HELM_PASSWORD
+      - helm cm-push charts/piper therepo

charts/piper/.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/piper/Chart.yaml

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+apiVersion: v2
+name: piper
+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"

charts/piper/templates/_helpers.tpl

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

charts/piper/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "piper.fullname" . }}
+  labels:
+    {{- include "piper.labels" . | nindent 4 }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      {{- include "piper.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "piper.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "piper.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: wyoming
+              containerPort: 10200
+              protocol: TCP
+          livenessProbe:
+            tcpSocket:
+              port: wyoming
+          readinessProbe:
+            tcpSocket:
+              port: wyoming
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          args:
+            - "--voice"
+            - {{ .Values.voice }}
+          volumeMounts:
+            - name: data
+              mountPath: /data
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      volumes:
+        - name: data
+          {{- if .Values.pvc.enabled }}
+          persistentVolumeClaim:
+            {{- if not .Values.pvc.existingClaim }}
+            claimName: {{ include "piper.fullname" . }}
+            {{- else }}
+            claimName: {{ .Values.pvc.existingClaim }}
+            {{- end }}
+          {{- else}}
+          emptyDir: {}
+          {{- end }}

charts/piper/templates/pvc.yaml

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+{{- if .Values.pvc.enabled }}
+{{- if not .Values.pvc.existingClaim -}}
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "piper.fullname" . }}
+  labels:
+    {{- include "piper.labels" . | nindent 4 }}
+  annotations:
+    helm.sh/resource-policy: "keep"
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: {{ .Values.pvc.storageClassName | quote }}
+  resources:
+    requests:
+      storage: {{ .Values.pvc.storage | quote }}
+{{- end }}
+{{- end }}

charts/piper/templates/service.yaml

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

charts/piper/templates/tests/test-connection.yaml

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

charts/piper/values.yaml

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+image:
+  repository: docker.io/rhasspy/wyoming-piper
+  pullPolicy: IfNotPresent
+  # Overrides the image tag whose default is the chart appVersion.
+  tag: ""
+
+imagePullSecrets: []
+nameOverride: ""
+fullnameOverride: ""
+
+podAnnotations: {}
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+service:
+  type: ClusterIP
+  port: 10200
+
+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: {}
+
+config:
+  voice: "en-gb-southern_english_female-low"
+
+pvc:
+  enabled: false
+  existingClaim: ""
+  storageClassName : ""
+  storage: 1Gi