feat: Add kas artifact

kas/Pluralfile

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+REPO kas
+ATTRIBUTES Plural repository.yaml
+
+TF terraform/*
+HELM helm/*
+RECIPE plural/recipes/*

kas/helm/kas/.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/

kas/helm/kas/Chart.yaml

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+apiVersion: v1
+name: kas
+description: k8s agent server
+type: application
+version: 0.0.0
+appVersion: "0.0.0"

kas/helm/kas/deps.yaml

@@ -0,0 +1,15 @@
+apiVersion: plural.sh/v1alpha1
+kind: Dependencies
+metadata:
+  application: true
+  description: Deploys kas crafted for the target cloud
+spec:
+  dependencies:
+  - type: helm
+    name: bootstrap
+    repo: bootstrap
+    version: '>= 0.5.1'
+  - type: terraform
+    name: kube
+    repo: kas
+    version: '>= 0.1.0'

kas/helm/kas/templates/_helpers.tpl

@@ -0,0 +1,76 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "kas.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 "kas.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 "kas.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "kas.labels" -}}
+helm.sh/chart: {{ include "kas.chart" . }}
+{{ include "kas.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "kas.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "kas.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service to use
+*/}}
+{{- define "kas.serviceName" -}}
+{{- printf "%s-service" (include "kas.fullname" .) }}
+{{- end }}
+
+{{/*
+Create the name of the config map to use
+*/}}
+{{- define "kas.configMapName" -}}
+{{- printf "%s-config" (include "kas.fullname" .) }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "kas.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "kas.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

kas/helm/kas/templates/configmap.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ template "kas.configMapName" . }}
+  labels:
+    {{- include "kas.labels" . | nindent 4 }}
+data:
+  config.yaml: |
+    plural_url: "" # TODO: Add full config.

kas/helm/kas/templates/deployment.yaml

@@ -0,0 +1,99 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ template "kas.fullname" . }}
+  labels:
+    {{- include "kas.labels" . | nindent 4 }}
+spec:
+  selector:
+    matchLabels:
+      {{- include "kas.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      annotations:
+        checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
+        cluster-autoscaler.kubernetes.io/safe-to-evict: "true"
+        {{- if and .Values.metrics.enabled (not .Values.metrics.serviceMonitor.enabled) }}
+        prometheus.io/scrape: "true"
+        prometheus.io/port: {{ .Values.observability.port | quote }}
+        prometheus.io/path: {{ .Values.metrics.path }}
+        {{- end }}
+        {{- with .Values.podAnnotations }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+      labels:
+        {{- include "kas.selectorLabels" . | nindent 8 }}
+    spec:
+      automountServiceAccountToken: false
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      {{- with .Values.priorityClassName }}
+      priorityClassName: {{ . }}
+      {{- end }}
+      serviceAccountName: {{ include "kas.serviceAccountName" . }}
+      containers:
+        - name: {{ .Chart.Name }}
+          image: {{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          args:
+            - "--configuration-file=/etc/kas/config.yaml"
+            {{- range .Values.extraArgs }}
+            - {{ . }}
+            {{- end }}
+          env:
+            - name: POD_IP
+              valueFrom:
+                fieldRef:
+                  fieldPath: status.podIP
+          {{- if .Values.extraEnv }}
+            {{- toYaml .Values.extraEnv | nindent 12 }}
+          {{- end }}
+          ports:
+            - containerPort: {{ .Values.service.internalPort }}
+            - containerPort: {{ .Values.service.kubernetesApiPort }}
+            - containerPort: {{ .Values.service.privateApiPort }}
+            - containerPort: {{ .Values.service.observabilityPort }}
+          readinessProbe:
+            httpGet:
+              path: /readiness
+              port: {{ .Values.service.observabilityPort }}
+            initialDelaySeconds: 5
+            periodSeconds: 10
+          livenessProbe:
+            httpGet:
+              path: /liveness
+              port: {{ .Values.service.observabilityPort }}
+            initialDelaySeconds: 15
+            periodSeconds: 20
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          volumeMounts:
+            - name: etc-kas
+              mountPath: /etc/kas
+              readOnly: true
+      terminationGracePeriodSeconds: 300
+      volumes:
+      - name: etc-kas
+        projected:
+          defaultMode: 0440
+          sources:
+            - configMap:
+                name: {{ template "kas.configMapName" . }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

kas/helm/kas/templates/hpa.yaml

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+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "kas.fullname" . }}
+  labels:
+    {{- include "kas.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "kas.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+    {{- if .Values.autoscaling.targetCPUAverageValue }}
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: AverageValue
+          averageValue: {{ .Values.autoscaling.targetCPUAverageValue }}
+    {{- end }}
+    {{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+    {{- end }}
+    {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    {{- end }}
+{{- end }}

kas/helm/kas/templates/serviceaccount.yaml

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

kas/helm/kas/templates/servicemonitor.yaml

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+{{- if and .Values.metrics.enabled .Values.metrics.serviceMonitor.enabled -}}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ template "kas.serviceName" . }}
+  labels:
+    {{- include "kas.labels" . | nindent 4 }}
+  {{- with .Values.metrics.serviceMonitor.additionalLabels }}
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  namespaceSelector:
+    matchNames:
+      - {{ $.Release.Namespace }}
+  selector:
+    matchLabels:
+      app: {{ template "kas.name" . }}
+      release: {{ .Release.Name }}
+  endpoints:
+    - port: http-metrics
+      path: {{ .Values.metrics.path }}
+    {{- with .Values.metrics.serviceMonitor.endpointConfig }}
+      {{- toYaml . | nindent 6 }}
+    {{- end }}
+{{- end -}}