adds dragonflyDb template

dragonfly/Chart.yaml

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+apiVersion: v2
+name: dragonfly
+description: "a modern superfast in-memory datastore, fully compatible with Redis and Memcached APIs"
+
+version: v1.20.1
+appVersion: "v1.20.1"

dragonfly/templates/_helpers.tpl

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

dragonfly/templates/_pod.tpl

@@ -0,0 +1,132 @@
+{{- define "dragonfly.volumemounts" -}}
+{{- if or (.Values.storage.enabled) (.Values.extraVolumeMounts) (.Values.tls.enabled) }}
+volumeMounts:
+  {{- if .Values.storage.enabled }}
+  - mountPath: /data
+    name: "{{ .Release.Name }}-data"
+  {{- end }}
+  {{- if and .Values.tls .Values.tls.enabled }}
+  - mountPath: /etc/dragonfly/tls
+    name: tls
+  {{- end }}
+  {{- with .Values.extraVolumeMounts }}
+    {{- toYaml . | trim | nindent 2 }}
+  {{- end }}
+{{- end }}
+{{- end }}
+
+{{- define "dragonfly.pod" -}}
+{{- if ne .Values.priorityClassName "" }}
+priorityClassName: {{ .Values.priorityClassName }}
+{{- end }}
+{{- with .Values.tolerations }}
+tolerations:
+  {{- toYaml . | trim | nindent 2 -}}
+{{- end }}
+{{- with .Values.nodeSelector }}
+nodeSelector:
+  {{- toYaml . | trim | nindent 2 -}}
+{{- end }}
+{{- with .Values.affinity }}
+affinity:
+  {{- toYaml . | trim | nindent 2 -}}
+{{- end }}
+serviceAccountName: {{ include "dragonfly.serviceAccountName" . }}
+{{- with .Values.imagePullSecrets }}
+imagePullSecrets:
+  {{- toYaml . | trim | nindent 2 }}
+{{- end }}
+{{- with .Values.podSecurityContext }}
+securityContext:
+  {{- toYaml . | trim | nindent 2 }}
+{{- end }}
+{{- with .Values.initContainers }}
+initContainers:
+  {{- if eq (typeOf .) "string" }}
+  {{- tpl . $ | trim | nindent 2 }}
+  {{- else }}
+  {{- toYaml . | trim | nindent 2 }}
+  {{- end }}
+{{- end }}
+containers:
+  {{- with .Values.extraContainers }}
+  {{- if eq (typeOf .) "string" -}}
+  {{- tpl . $ | trim | nindent 2 }}
+  {{- else }}
+  {{- toYaml . | trim | nindent 2 }}
+  {{- end }}
+  {{- end }}
+  - name: {{ .Chart.Name }}
+    {{- with .Values.securityContext }}
+    securityContext:
+      {{- toYaml . | trim | nindent 6 }}
+    {{- end }}
+    image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+    imagePullPolicy: {{ .Values.image.pullPolicy }}
+    ports:
+      - name: dragonfly
+        containerPort: 6379
+        protocol: TCP
+    {{- with .Values.probes }}
+    {{- toYaml . | trim | nindent 4 }}
+    {{- end }}
+    {{- with .Values.command }}
+    command:
+      {{- toYaml . | trim | nindent 6 }}
+    {{- end }}
+    args:
+      - "--alsologtostderr"
+    {{- with .Values.extraArgs }}
+      {{- toYaml . | trim | nindent 6 }}
+    {{- end }}
+    {{- if .Values.tls.enabled }}
+      - "--tls"
+      - "--tls_cert_file=/etc/dragonfly/tls/tls.crt"
+      - "--tls_key_file=/etc/dragonfly/tls/tls.key"
+    {{- end }}
+    {{- with .Values.resources }}
+    resources:
+      {{- toYaml . | trim | nindent 6 }}
+    {{- end }}
+    {{- include "dragonfly.volumemounts" . | trim | nindent 4 }}
+    {{- if .Values.passwordFromSecret.enable }}
+    {{- $appVersion := .Chart.AppVersion | trimPrefix "v" }}
+    {{- $imageTag := .Values.image.tag | trimPrefix "v" }}
+    {{- $effectiveVersion := $appVersion }}
+    {{- if and $imageTag (ne $imageTag "") }}
+      {{- $effectiveVersion = $imageTag }}
+    {{- end }}
+    env:
+    {{- if semverCompare ">=1.14.0" $effectiveVersion }}
+      - name: DFLY_requirepass
+    {{- else }}
+      - name: DFLY_PASSWORD
+    {{- end }}
+        valueFrom:
+          secretKeyRef:
+            name: {{ .Values.passwordFromSecret.existingSecret.name }}
+            key: {{ .Values.passwordFromSecret.existingSecret.key }}
+    {{- end }}
+
+{{- if or (.Values.tls.enabled) (.Values.extraVolumes) }}
+volumes:
+{{- if and .Values.tls .Values.tls.enabled }}
+  {{- if .Values.tls.existing_secret }}
+  - name: tls
+    secret:
+      secretName: {{ .Values.tls.existing_secret }}
+  {{- else if .Values.tls.createCerts }}
+  - name: tls
+    secret:
+      secretName: '{{ include "dragonfly.fullname" . }}-server-tls'
+  {{- else }}
+  - name: tls
+    secret:
+      secretName: {{ include "dragonfly.fullname" . }}-tls
+  {{- end }}
+{{- end }}
+{{- with .Values.extraVolumes }}
+  {{- toYaml . | trim | nindent 2 }}
+{{- end }}
+{{- end }}
+{{- end }}

dragonfly/templates/certificate.yaml

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+{{- if and .Values.tls.enabled .Values.tls.createCerts }}
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: {{ include "dragonfly.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "dragonfly.labels" . | nindent 4 }}
+spec:
+  commonName: '{{ include "dragonfly.fullname" . }}'
+  dnsNames:
+  - '*.{{ include "dragonfly.fullname" . }}.{{ .Release.Namespace }}.svc.cluster.local'
+  - '{{ include "dragonfly.fullname" . }}.{{ .Release.Namespace }}.svc.cluster.local'
+  - '{{ include "dragonfly.fullname" . }}.{{ .Release.Namespace }}.svc'
+  - '{{ include "dragonfly.fullname" . }}.{{ .Release.Namespace }}'
+  - '{{ include "dragonfly.fullname" . }}'
+  - localhost
+  duration: {{ required "tls.duration is required, if createCerts is enabled" .Values.tls.duration }}
+  ipAddresses:
+  - 127.0.0.1
+  issuerRef:
+    kind: {{ required "tls.issuer.kind is required, if createCerts is enabled" .Values.tls.issuer.kind }}
+    name: {{ required "tls.issuer.name is required, if createCerts is enabled" .Values.tls.issuer.name }}
+    group: {{ .Values.tls.issuer.group }}
+  secretName: '{{ include "dragonfly.fullname" . }}-server-tls'
+  usages:
+  - client auth
+  - server auth
+  - signing
+  - key encipherment
+{{- end }}

dragonfly/templates/deployment.yaml

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+{{- if not .Values.storage.enabled }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "dragonfly.fullname" .}}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "dragonfly.labels" . | nindent 4 }}
+
+
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "dragonfly.selectorLabels" . | nindent 6 }}
+
+  template:
+    metadata:
+      annotations:
+        {{- if and (.Values.tls.enabled) (not .Values.tls.existing_secret) }}
+        checksum/tls-secret: {{ include (print $.Template.BasePath "/tls-secret.yaml") . | sha256sum }}
+        {{- end }}
+        {{- with .Values.podAnnotations }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+      labels:
+        {{- include "dragonfly.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- include "dragonfly.pod" . | trim | nindent 6 }}
+{{- end }}
+
+
+

dragonfly/templates/metrics-service.yaml

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+{{- if .Values.serviceMonitor.enabled }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "dragonfly.fullname" . }}-metrics
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "dragonfly.labels" . | nindent 4 }}
+    type: metrics
+spec:
+  type: {{ .Values.service.metrics.serviceType }}
+  ports:
+    - name: {{ .Values.service.metrics.portName }}
+      port: {{ .Values.service.port }}
+      targetPort: {{ .Values.service.port }}
+      protocol: TCP
+  selector:
+    {{- include "dragonfly.selectorLabels" . | nindent 4 }}
+{{- end }}

dragonfly/templates/prometheusrule.yaml

@@ -0,0 +1,14 @@
+{{- if and ( .Capabilities.APIVersions.Has "monitoring.coreos.com/v1" ) .Values.serviceMonitor.enabled .Values.prometheusRule.enabled }}
+apiVersion: monitoring.coreos.com/v1
+kind: PrometheusRule
+metadata:
+  name: {{ template "dragonfly.fullname" . }}-metrics
+  namespace: {{ .Values.prometheusRule.namespace | default .Release.Namespace }}
+  labels:
+    {{- include "dragonfly.labels" . | nindent 4 }}
+spec:
+  groups:
+  - name: {{ template "dragonfly.name" . }}
+    rules:
+      {{- toYaml .Values.prometheusRule.spec | nindent 6 }}
+{{- end }}

dragonfly/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "dragonfly.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  {{- with .Values.service.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  labels:
+    {{- with .Values.service.labels }}
+    {{- toYaml . | nindent 4 }}
+    {{- end }}
+    {{- include "dragonfly.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  {{- if and (eq .Values.service.type "LoadBalancer") (ne .Values.service.loadBalancerIP "") }}
+  loadBalancerIP: {{ .Values.service.loadBalancerIP }}
+  {{- end }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: dragonfly
+      protocol: TCP
+      name: dragonfly
+  selector:
+    {{- include "dragonfly.selectorLabels" . | nindent 4 }}

dragonfly/templates/serviceaccount.yaml

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

dragonfly/templates/statefulset.yaml

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+{{- if .Values.storage.enabled }}
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: {{ include "dragonfly.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "dragonfly.labels" . | nindent 4 }}
+spec:
+  serviceName: {{ .Release.Name }}
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "dragonfly.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      annotations:
+        {{- if and (.Values.tls.enabled) (not .Values.tls.existing_secret) }}
+        checksum/tls-secret: {{ include (print $.Template.BasePath "/tls-secret.yaml") . | sha256sum }}
+        {{- end }}
+        {{- with .Values.podAnnotations }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+      labels:
+        {{- include "dragonfly.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- include "dragonfly.pod" . | trim | nindent 6 }}
+  volumeClaimTemplates:
+    - metadata:
+        name: "{{ .Release.Name }}-data"
+      spec:
+        accessModes: [ "ReadWriteOnce" ]
+        storageClassName: {{ .Values.storage.storageClassName }}
+        resources:
+          requests:
+            storage: {{ .Values.storage.requests }}
+{{- end }}