Add new infra architecture 6
This commit is contained in:
Urtzi Alfaro
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apiVersion: v2
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name: unbound
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description: A Helm chart for deploying Unbound DNS resolver for Bakery-IA
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type: application
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version: 0.1.0
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appVersion: "1.19.1"
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maintainers:
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- name: Bakery-IA Team
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email: devops@bakery-ia.com
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keywords:
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- dns
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- resolver
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- caching
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- unbound
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home: https://www.nlnetlabs.nl/projects/unbound/
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sources:
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- https://github.com/NLnetLabs/unbound
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- https://hub.docker.com/r/mvance/unbound
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# Development values for unbound DNS resolver
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# Using same configuration as production for consistency
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# Use official image for development (same as production)
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image:
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repository: "mvance/unbound"
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tag: "latest"
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pullPolicy: "IfNotPresent"
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# Resource settings (slightly lower than production for dev)
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resources:
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requests:
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cpu: "100m"
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memory: "128Mi"
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limits:
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cpu: "300m"
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memory: "384Mi"
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# Single replica for development (can be scaled if needed)
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replicaCount: 1
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# Development annotations
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podAnnotations:
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environment: "development"
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managed-by: "helm"
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# Probe settings (same as production but slightly faster)
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probes:
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readiness:
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initialDelaySeconds: 10
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periodSeconds: 30
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command: "drill @127.0.0.1 -p 53 example.org || echo 'DNS query test'"
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liveness:
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initialDelaySeconds: 30
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periodSeconds: 60
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command: "drill @127.0.0.1 -p 53 example.org || echo 'DNS query test'"
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@@ -0,0 +1,50 @@
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# Production-specific values for unbound DNS resolver
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# Overrides for the production environment
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# Use official image for production
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image:
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repository: "mvance/unbound"
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tag: "latest"
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pullPolicy: "IfNotPresent"
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# Production resource settings (higher limits for reliability)
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resources:
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requests:
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cpu: "200m"
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memory: "256Mi"
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limits:
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cpu: "500m"
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memory: "512Mi"
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# Production-specific settings
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replicaCount: 2
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# Production annotations
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podAnnotations:
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environment: "production"
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critical: "true"
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# Anti-affinity for high availability in production
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affinity:
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podAntiAffinity:
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preferredDuringSchedulingIgnoredDuringExecution:
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- weight: 100
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podAffinityTerm:
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labelSelector:
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matchExpressions:
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- key: app.kubernetes.io/name
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operator: In
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values:
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- unbound
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topologyKey: "kubernetes.io/hostname"
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# Production probe settings (more conservative)
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probes:
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readiness:
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initialDelaySeconds: 15
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periodSeconds: 30
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command: "drill @127.0.0.1 -p 53 example.org || echo 'DNS query test'"
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liveness:
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initialDelaySeconds: 45
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periodSeconds: 60
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command: "drill @127.0.0.1 -p 53 example.org || echo 'DNS query test'"
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@@ -0,0 +1,63 @@
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "unbound.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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*/}}
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{{- define "unbound.fullname" -}}
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{{- if .Values.fullnameOverride -}}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
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{{- else -}}
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{{- $name := default .Chart.Name .Values.nameOverride -}}
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{{- if contains $name .Release.Name -}}
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{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
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{{- else -}}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "unbound.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Common labels
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*/}}
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{{- define "unbound.labels" -}}
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helm.sh/chart: {{ include "unbound.chart" . }}
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{{ include "unbound.selectorLabels" . }}
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{{- if .Chart.AppVersion }}
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app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
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{{- end }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- end -}}
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{{/*
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Selector labels
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*/}}
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{{- define "unbound.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "unbound.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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app.kubernetes.io/component: dns
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app.kubernetes.io/part-of: bakery-ia
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{{- end -}}
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{{/*
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Create the name of the service account to use
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*/}}
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{{- define "unbound.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create -}}
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{{ default (include "unbound.fullname" .) .Values.serviceAccount.name }}
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{{- else -}}
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{{ default "default" .Values.serviceAccount.name }}
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{{- end -}}
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{{- end -}}
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@@ -0,0 +1,95 @@
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ include "unbound.fullname" . }}
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namespace: {{ .Values.global.namespace }}
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labels:
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{{- include "unbound.labels" . | nindent 4 }}
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spec:
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replicas: {{ .Values.replicaCount }}
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selector:
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matchLabels:
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{{- include "unbound.selectorLabels" . | nindent 6 }}
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template:
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metadata:
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{{- with .Values.podAnnotations }}
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annotations:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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labels:
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{{- include "unbound.selectorLabels" . | nindent 8 }}
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spec:
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{{- with .Values.imagePullSecrets }}
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imagePullSecrets:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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serviceAccountName: {{ include "unbound.serviceAccountName" . }}
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securityContext:
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{{- toYaml .Values.podSecurityContext | nindent 8 }}
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containers:
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- name: {{ .Chart.Name }}
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securityContext:
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{{- toYaml .Values.securityContext | nindent 12 }}
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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ports:
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- name: dns-udp
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containerPort: {{ .Values.service.ports.dnsUdp }}
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protocol: UDP
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- name: dns-tcp
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containerPort: {{ .Values.service.ports.dnsTcp }}
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protocol: TCP
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{{- if .Values.probes.readiness.enabled }}
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readinessProbe:
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exec:
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command:
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- sh
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- -c
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- {{ .Values.probes.readiness.command | quote }}
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initialDelaySeconds: {{ .Values.probes.readiness.initialDelaySeconds }}
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periodSeconds: {{ .Values.probes.readiness.periodSeconds }}
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{{- end }}
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{{- if .Values.probes.liveness.enabled }}
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livenessProbe:
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exec:
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command:
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- sh
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- -c
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- {{ .Values.probes.liveness.command | quote }}
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initialDelaySeconds: {{ .Values.probes.liveness.initialDelaySeconds }}
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periodSeconds: {{ .Values.probes.liveness.periodSeconds }}
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{{- end }}
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resources:
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{{- toYaml .Values.resources | nindent 12 }}
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{{- with .Values.volumeMounts }}
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volumeMounts:
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{{- toYaml . | nindent 12 }}
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{{- end }}
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{{- with .Values.env }}
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env:
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{{- toYaml . | nindent 12 }}
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{{- end }}
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{{- with .Values.volumes }}
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volumes:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.nodeSelector }}
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nodeSelector:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.affinity }}
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affinity:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.tolerations }}
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tolerations:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.extraInitContainers }}
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initContainers:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.extraContainers }}
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containers:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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@@ -0,0 +1,24 @@
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apiVersion: v1
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kind: Service
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metadata:
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name: {{ .Values.global.dnsServiceName }}
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namespace: {{ .Values.global.namespace }}
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labels:
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{{- include "unbound.labels" . | nindent 4 }}
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{{- with .Values.serviceAnnotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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spec:
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type: {{ .Values.service.type }}
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ports:
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- name: dns-udp
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port: {{ .Values.service.ports.dnsUdp }}
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targetPort: {{ .Values.service.ports.dnsUdp }}
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protocol: UDP
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- name: dns-tcp
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port: {{ .Values.service.ports.dnsTcp }}
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targetPort: {{ .Values.service.ports.dnsTcp }}
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protocol: TCP
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selector:
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{{- include "unbound.selectorLabels" . | nindent 4 }}
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@@ -0,0 +1,13 @@
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{{- if .Values.serviceAccount.create -}}
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: {{ include "unbound.serviceAccountName" . }}
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namespace: {{ .Values.global.namespace }}
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labels:
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{{- include "unbound.labels" . | nindent 4 }}
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{{- with .Values.serviceAccount.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- end -}}
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@@ -0,0 +1,95 @@
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# Default values for unbound DNS resolver
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# This is a YAML-formatted file.
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# Declare variables to be passed into your templates.
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# Global settings
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global:
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# DNS service name for other services to reference
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dnsServiceName: "unbound-dns"
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namespace: "bakery-ia"
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# Unbound image configuration
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image:
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repository: "mvance/unbound"
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tag: "latest"
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pullPolicy: "IfNotPresent"
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# Deployment configuration
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replicaCount: 1
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# Resource limits and requests
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resources:
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requests:
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cpu: "100m"
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memory: "128Mi"
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limits:
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cpu: "300m"
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memory: "384Mi"
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# Security context
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securityContext:
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capabilities:
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add: ["NET_BIND_SERVICE"]
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# Service configuration
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service:
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type: "ClusterIP"
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ports:
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dnsUdp: 53
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dnsTcp: 53
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# Health probes configuration
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probes:
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readiness:
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enabled: true
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initialDelaySeconds: 10
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periodSeconds: 30
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command: "drill @127.0.0.1 -p 53 example.org || echo 'DNS query test'"
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liveness:
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enabled: true
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initialDelaySeconds: 30
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periodSeconds: 60
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command: "drill @127.0.0.1 -p 53 example.org || echo 'DNS query test'"
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# Additional environment variables
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env: {}
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# Additional volume mounts
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volumeMounts: []
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# Additional volumes
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volumes: []
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# Node selector
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nodeSelector: {}
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# Tolerations
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tolerations: []
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# Affinity
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affinity: {}
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# Pod annotations
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podAnnotations: {}
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# Service annotations
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serviceAnnotations: {}
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# Custom unbound configuration
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config:
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enabled: false
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# Additional containers (sidecars)
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extraContainers: []
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# Additional init containers
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extraInitContainers: []
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# Service account configuration
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serviceAccount:
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create: false
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annotations: {}
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name: ""
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# Pod security context
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podSecurityContext: {}
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Reference in New Issue
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