switch to slog and add basic helm chart

chart/Chart.yaml

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+apiVersion: v2
+type: application
+
+# version and appVersion values are overrided during build step
+version: 0.0.0
+appVersion: 0.0.0
+
+name: upgrade-manager-chart
+description: Upgrade Manager Helm chart
+home: https://github.com/qonto/upgrade-manager
+sources:
+  - https://github.com/qonto/upgrade-manager
+annotations:
+  artifacthub.io/category: integration-delivery
+keywords:
+  - argocd
+  - upgrade
+  - auto-discovery

chart/templates/NOTES.txt

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+Upgrade Manager is deployed.

chart/templates/_helpers.tpl

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

chart/templates/config.yaml

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+{{- if .Values.config -}}
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "upgrade-manager.fullname" . }}
+  namespace: {{ .Release.Namespace | quote }}
+  labels:
+    {{- include "upgrade-manager.labels" . | nindent 4 }}
+data:
+  config.yaml: |
+    {{- toYaml .Values.config | nindent 4 }}
+{{- end -}}

chart/templates/deployment.yaml

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+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "upgrade-manager.fullname" . }}
+  namespace: {{ .Release.Namespace | quote }}
+  labels:
+    {{- include "upgrade-manager.labels" . | nindent 4 }}
+spec:
+  replicas: 1
+  serviceName: "upgrade-manager"
+  selector:
+    matchLabels:
+      {{- include "upgrade-manager.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      annotations:
+        {{- with .Values.podAnnotations }}
+        {{- toYaml  . | nindent 8 }}
+        {{- end }}
+        checksum/config: {{ include (print .Template.BasePath "/config.yaml") . | sha256sum }}
+      labels:
+        {{- with .Values.podLabels }}
+        {{- toYaml  . | nindent 8 }}
+        {{- end }}
+        {{- include "upgrade-manager.labels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "upgrade-manager.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      volumes:
+      {{- with .Values.volumes }}
+        {{- toYaml  . | nindent 8 }}
+      {{- end }}
+        - name: upgrade-manager-config
+          configMap:
+            name: {{ include "upgrade-manager.fullname" . }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          args:
+            - "server"
+            - "--config"
+            - "{{ .Values.configFilePath }}"
+            - "--log-format"
+            - "{{ .Values.logFormat }}"
+            - "--log-level"
+            - "{{ .Values.logLevel }}"
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          {{- with .Values.env }} 
+          env:
+            {{- toYaml  . | nindent 12 }}
+          {{- end -}}
+          {{- with .Values.envFrom }}
+          envFrom:
+            {{- toYaml  . | nindent 12 }}
+          {{- end }}
+          ports:
+            - name: http
+              containerPort: {{ .Values.service.port }}
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: http
+            initialDelaySeconds: 10
+            periodSeconds: 10
+            failureThreshold: 6
+          readinessProbe:
+            httpGet:
+              path: /healthz
+              port: http
+            initialDelaySeconds: 10
+            periodSeconds: 5
+            failureThreshold: 3
+          volumeMounts:
+            - mountPath: /config
+              name: upgrade-manager-config
+              readOnly: true
+          {{- with .Values.volumeMounts }}
+            {{- toYaml  . | nindent 12 }}
+          {{- end }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

chart/templates/service.yaml

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

chart/templates/serviceMonitor.yaml

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+{{- if .Values.serviceMonitor.enabled -}}
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ include "upgrade-manager.fullname" . }}
+  namespace: {{ .Release.Namespace | quote }}
+  labels:
+    {{- include "upgrade-manager.labels" . | nindent 4 }}
+    {{- with .Values.serviceMonitor.additionalLabels }}
+    {{- toYaml . | nindent 4 }}
+    {{- end }}
+spec:
+  selector:
+    matchLabels:
+      {{- include "upgrade-manager.selectorLabels" . | nindent 6 }}
+  namespaceSelector:
+    matchNames:
+      - {{ .Release.Namespace }}
+  endpoints:
+    - port: http
+      path: /metrics
+      interval: {{ .Values.serviceMonitor.interval }}
+      scrapeTimeout: {{ .Values.serviceMonitor.scrapeTimeout }}
+{{- end }}

chart/templates/serviceaccount.yaml

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