Merge branch 'step2' into 'main'

Step2

See merge request dvirlabs-group/open-meteo-service!3

README.md

@@ -32,6 +32,73 @@ A FastAPI-based microservice that queries the Open-Meteo Geocoding API to retrie
    - Prometheus: http://localhost:9090
    - Grafana: http://localhost:3000 (admin/admin)
 
+## Helm (Kubernetes)
+
+The Helm chart in the `helm` folder deploys the FastAPI app and, by default, Prometheus and Grafana.
+
+### What it deploys
+- **App**: FastAPI service with `/healthz` probes and Prometheus scrape annotations
+- **Prometheus**: Scrapes the app metrics at `/metrics`
+- **Grafana**: Pre-provisioned datasource and dashboard for the app metrics
+
+### Prerequisites
+- Kubernetes cluster
+- Helm v3
+
+### Install
+```bash
+helm install open-meteo-service ./helm
+```
+
+### Upgrade
+```bash
+helm upgrade open-meteo-service ./helm
+```
+
+### Access the services
+```bash
+kubectl port-forward svc/open-meteo-service-open-meteo-service 8080:8000
+kubectl port-forward svc/open-meteo-service-open-meteo-service-prometheus 9090:9090
+kubectl port-forward svc/open-meteo-service-open-meteo-service-grafana 3000:3000
+```
+
+### Values overview
+You can customize the chart via `helm/values.yaml` or `--set` flags.
+
+**App values**
+- `image.repository`, `image.tag`, `image.pullPolicy`
+- `service.type`, `service.port`
+- `env.cacheFile`
+- `persistence.enabled`, `persistence.size`, `persistence.storageClassName`
+
+**Prometheus values**
+- `prometheus.enabled`
+- `prometheus.image`
+- `prometheus.service.type`, `prometheus.service.port`
+- `prometheus.persistence.enabled`, `prometheus.persistence.size`, `prometheus.persistence.storageClassName`
+
+**Grafana values**
+- `grafana.enabled`
+- `grafana.image`
+- `grafana.service.type`, `grafana.service.port`
+- `grafana.adminUser`, `grafana.adminPassword`
+- `grafana.persistence.enabled`, `grafana.persistence.size`, `grafana.persistence.storageClassName`
+
+### Example: disable Grafana and Prometheus
+```bash
+helm install open-meteo-service ./helm \
+  --set grafana.enabled=false \
+  --set prometheus.enabled=false
+```
+
+### Example: enable persistence for all components
+```bash
+helm install open-meteo-service ./helm \
+  --set persistence.enabled=true \
+  --set prometheus.persistence.enabled=true \
+  --set grafana.persistence.enabled=true
+```
+
 ## API Documentation
 
 ### Endpoints

app/main.py

@@ -26,6 +26,76 @@ def coordinates_for_city(city: str):
             t.set_status("500")
             raise
 
+
+@app.get("/help")
+def help_endpoint():
+    return {
+        "api_name": "Open-Meteo Coordinates Service",
+        "description": "Get geographical coordinates for cities",
+        "available_cities": ["Tel Aviv", "Beersheba", "Jerusalem", "Szeged"],
+        "endpoints": [
+            {
+                "path": "/coordinates",
+                "method": "GET",
+                "description": "Get coordinates for all available cities",
+                "example_request": "GET https://open-meteo.dvirlabs.com/coordinates",
+                "example_response": {
+                    "source": "cache",
+                    "data": {
+                        "Tel Aviv": {
+                            "name": "Tel Aviv",
+                            "latitude": 32.08088,
+                            "longitude": 34.78057,
+                            "country": "Israel"
+                        },
+                        "Beersheba": {
+                            "name": "Beersheba",
+                            "latitude": 31.25181,
+                            "longitude": 34.7913,
+                            "country": "Israel"
+                        }
+                    }
+                }
+            },
+            {
+                "path": "/coordinates/{city}",
+                "method": "GET",
+                "description": "Get coordinates for a specific city",
+                "example_request": "GET https://open-meteo.dvirlabs.com/coordinates/Tel Aviv",
+                "example_response": {
+                    "source": "cache",
+                    "data": {
+                        "name": "Tel Aviv",
+                        "latitude": 32.08088,
+                        "longitude": 34.78057,
+                        "country": "Israel"
+                    }
+                }
+            },
+            {
+                "path": "/healthz",
+                "method": "GET",
+                "description": "Health check endpoint",
+                "example_request": "GET https://open-meteo.dvirlabs.com/healthz",
+                "example_response": {
+                    "status": "ok"
+                }
+            },
+            {
+                "path": "/metrics",
+                "method": "GET",
+                "description": "Prometheus metrics endpoint",
+                "example_request": "GET https://open-meteo.dvirlabs.com/metrics"
+            }
+        ],
+        "usage_examples": {
+            "curl_all_cities": "curl https://open-meteo.dvirlabs.com/coordinates",
+            "curl_single_city": "curl https://open-meteo.dvirlabs.com/coordinates/Jerusalem",
+            "curl_with_spaces": "curl 'https://open-meteo.dvirlabs.com/coordinates/Tel%20Aviv'",
+            "python": "import requests\nresponse = requests.get('https://open-meteo.dvirlabs.com/coordinates/Jerusalem')\ndata = response.json()"
+        }
+    }
+        
 @app.get("/metrics")
 def metrics():
     return Response(generate_latest(), media_type=CONTENT_TYPE_LATEST)

app/service.py

@@ -6,7 +6,7 @@ import requests
 from .metrics import CACHE_HITS_TOTAL, CACHE_MISSES_TOTAL, OPENMETEO_CALLS_TOTAL
 
 API_URL = "https://geocoding-api.open-meteo.com/v1/search"
-CITIES = ["Tel Aviv", "Beer Sheva", "Jerusalem", "Szeged"]
+CITIES = ["Tel Aviv", "Beersheba", "Jerusalem", "Szeged"]
 
 CACHE_FILE = os.environ.get("CACHE_FILE", "coordinates_cache.json")
 
@@ -45,18 +45,26 @@ def _save_cache(data: Dict[str, Any]) -> None:
 
 def get_all_coordinates() -> Dict[str, Any]:
     cached = _load_cache()
-    if cached:
+    
+    # Check if all cities from CITIES list are in cache
+    if cached and all(city in cached for city in CITIES):
         CACHE_HITS_TOTAL.inc()
-        return {"source": "cache", "data": cached}
+        # Filter cache to only include cities from CITIES list
+        filtered_data = {city: cached[city] for city in CITIES}
+        return {"source": "cache", "data": filtered_data}
 
     CACHE_MISSES_TOTAL.inc()
     
-    results: Dict[str, Any] = {}
+    # Fetch missing cities
+    results = cached if cached else {}
     for city in CITIES:
+        if city not in results:
             results[city] = _fetch_coordinates(city)
     
     _save_cache(results)
-    return {"source": "open-meteo", "data": results}
+    # Return only cities from CITIES list
+    filtered_data = {city: results[city] for city in CITIES}
+    return {"source": "open-meteo", "data": filtered_data}
 
 
 def get_coordinates_for_city(city: str) -> Dict[str, Any]:

open-meteo-service/Chart.yaml

@@ -0,0 +1,6 @@
+apiVersion: v2
+name: open-meteo-service
+description: A FastAPI service that provides city coordinates with Prometheus metrics
+type: application
+version: 0.1.0
+appVersion: "1.0.0"

open-meteo-service/files/grafana/dashboards/open-meteo-service.json

@@ -0,0 +1,107 @@
+{
+  "uid": "open-meteo-service",
+  "title": "Open-Meteo Service",
+  "timezone": "browser",
+  "schemaVersion": 38,
+  "version": 1,
+  "refresh": "10s",
+  "time": {
+    "from": "now-15m",
+    "to": "now"
+  },
+  "panels": [
+    {
+      "id": 1,
+      "type": "timeseries",
+      "title": "Request Rate",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "prometheus"
+      },
+      "gridPos": { "x": 0, "y": 0, "w": 12, "h": 8 },
+      "targets": [
+        {
+          "expr": "sum(rate(http_requests_total[5m])) by (endpoint, method)",
+          "legendFormat": "{{endpoint}} {{method}}",
+          "refId": "A"
+        }
+      ]
+    },
+    {
+      "id": 2,
+      "type": "timeseries",
+      "title": "Request Duration p95",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "prometheus"
+      },
+      "gridPos": { "x": 12, "y": 0, "w": 12, "h": 8 },
+      "targets": [
+        {
+          "expr": "histogram_quantile(0.95, sum(rate(http_request_duration_seconds_bucket[5m])) by (le, endpoint, method))",
+          "legendFormat": "{{endpoint}} {{method}}",
+          "refId": "A"
+        }
+      ]
+    },
+    {
+      "id": 3,
+      "type": "timeseries",
+      "title": "Cache Hits vs Misses",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "prometheus"
+      },
+      "gridPos": { "x": 0, "y": 8, "w": 12, "h": 8 },
+      "targets": [
+        {
+          "expr": "rate(coordinates_cache_hits_total[5m])",
+          "legendFormat": "hits",
+          "refId": "A"
+        },
+        {
+          "expr": "rate(coordinates_cache_misses_total[5m])",
+          "legendFormat": "misses",
+          "refId": "B"
+        }
+      ]
+    },
+    {
+      "id": 4,
+      "type": "timeseries",
+      "title": "Open-Meteo Calls by City",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "prometheus"
+      },
+      "gridPos": { "x": 12, "y": 8, "w": 12, "h": 8 },
+      "targets": [
+        {
+          "expr": "sum(rate(openmeteo_api_calls_total[5m])) by (city)",
+          "legendFormat": "{{city}}",
+          "refId": "A"
+        }
+      ]
+    },
+    {
+      "id": 5,
+      "type": "timeseries",
+      "title": "Requests by Status",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "prometheus"
+      },
+      "gridPos": { "x": 0, "y": 16, "w": 24, "h": 8 },
+      "targets": [
+        {
+          "expr": "sum(rate(http_requests_total[5m])) by (status)",
+          "legendFormat": "{{status}}",
+          "refId": "A"
+        }
+      ]
+    }
+  ],
+  "templating": {
+    "list": []
+  }
+}

open-meteo-service/files/grafana/provisioning/dashboards/dashboard.yml

@@ -0,0 +1,10 @@
+apiVersion: 1
+
+providers:
+  - name: default
+    type: file
+    disableDeletion: false
+    editable: true
+    updateIntervalSeconds: 10
+    options:
+      path: /var/lib/grafana/dashboards

open-meteo-service/templates/NOTES.txt

@@ -0,0 +1,20 @@
+1. Get the application URL by running these commands:
+  {{- if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "open-meteo-service.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT/docs
+  {{- else if contains "LoadBalancer" .Values.service.type }}
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "open-meteo-service.fullname" . }} -o jsonpath="{.status.loadBalancer.ingress[0].ip}")
+  echo http://$SERVICE_IP:{{ .Values.service.port }}/docs
+  {{- else }}
+  kubectl port-forward --namespace {{ .Release.Namespace }} svc/{{ include "open-meteo-service.fullname" . }} 8080:{{ .Values.service.port }}
+  echo http://127.0.0.1:8080/docs
+  {{- end }}
+
+2. Prometheus (if enabled):
+  kubectl port-forward --namespace {{ .Release.Namespace }} svc/{{ include "open-meteo-service.prometheusFullname" . }} 9090:{{ .Values.prometheus.service.port }}
+  echo http://127.0.0.1:9090
+
+3. Grafana (if enabled):
+  kubectl port-forward --namespace {{ .Release.Namespace }} svc/{{ include "open-meteo-service.grafanaFullname" . }} 3000:{{ .Values.grafana.service.port }}
+  echo http://127.0.0.1:3000 ({{ .Values.grafana.adminUser }}/{{ .Values.grafana.adminPassword }})

open-meteo-service/templates/_helpers.tpl

@@ -0,0 +1,36 @@
+{{- define "open-meteo-service.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- define "open-meteo-service.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+
+{{- define "open-meteo-service.labels" -}}
+app.kubernetes.io/name: {{ include "open-meteo-service.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+app.kubernetes.io/version: {{ .Chart.AppVersion }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end -}}
+
+{{- define "open-meteo-service.prometheusFullname" -}}
+{{- printf "%s-prometheus" (include "open-meteo-service.fullname" .) | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- define "open-meteo-service.grafanaFullname" -}}
+{{- printf "%s-grafana" (include "open-meteo-service.fullname" .) | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Selector labels for API component
+*/}}
+{{- define "open-meteo-service.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "open-meteo-service.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+app.kubernetes.io/component: api
+{{- end -}}

open-meteo-service/templates/app-deployment.yaml

@@ -0,0 +1,75 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "open-meteo-service.fullname" . }}
+  annotations:
+    argocd.argoproj.io/sync-options: Replace=true,Force=true
+    argocd.argoproj.io/sync-wave: "1"
+  labels:
+    {{- include "open-meteo-service.labels" . | nindent 4 }}
+    app.kubernetes.io/component: api
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "open-meteo-service.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "open-meteo-service.labels" . | nindent 8 }}
+        app.kubernetes.io/component: api
+      annotations:
+        {{- toYaml .Values.podAnnotations | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      containers:
+        - name: {{ include "open-meteo-service.name" . }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: {{ .Values.service.port }}
+              protocol: TCP
+          env:
+            - name: CACHE_FILE
+              value: {{ .Values.env.cacheFile | quote }}
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: http
+            initialDelaySeconds: 5
+            periodSeconds: 10
+          readinessProbe:
+            httpGet:
+              path: /healthz
+              port: http
+            initialDelaySeconds: 5
+            periodSeconds: 10
+          volumeMounts:
+            - name: cache-data
+              mountPath: /data
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      volumes:
+        - name: cache-data
+          {{- if .Values.persistence.enabled }}
+          persistentVolumeClaim:
+            claimName: {{ include "open-meteo-service.fullname" . }}
+          {{- else }}
+          emptyDir: {}
+          {{- end }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

open-meteo-service/templates/grafana-configmap.yaml

@@ -0,0 +1,24 @@
+{{- if .Values.grafana.enabled }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "open-meteo-service.grafanaFullname" . }}-config
+  labels:
+    {{- include "open-meteo-service.labels" . | nindent 4 }}
+    app.kubernetes.io/component: grafana
+data:
+  datasource.yml: |-
+    apiVersion: 1
+
+    datasources:
+      - name: Prometheus
+        type: prometheus
+        access: proxy
+        url: http://{{ include "open-meteo-service.prometheusFullname" . }}:{{ .Values.prometheus.service.port }}
+        isDefault: true
+        uid: prometheus
+  dashboard.yml: |-
+{{ .Files.Get "files/grafana/provisioning/dashboards/dashboard.yml" | nindent 4 }}
+  open-meteo-service.json: |-
+{{ .Files.Get "files/grafana/dashboards/open-meteo-service.json" | nindent 4 }}
+{{- end }}

open-meteo-service/templates/grafana-deployment.yaml

@@ -0,0 +1,59 @@
+{{- if .Values.grafana.enabled }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "open-meteo-service.grafanaFullname" . }}
+  labels:
+    {{- include "open-meteo-service.labels" . | nindent 4 }}
+    app.kubernetes.io/component: grafana
+spec:
+  replicas: {{ .Values.grafana.replicaCount }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "open-meteo-service.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+      app.kubernetes.io/component: grafana
+  template:
+    metadata:
+      labels:
+        {{- include "open-meteo-service.labels" . | nindent 8 }}
+        app.kubernetes.io/component: grafana
+    spec:
+      containers:
+        - name: grafana
+          image: {{ .Values.grafana.image | quote }}
+          ports:
+            - name: http
+              containerPort: {{ .Values.grafana.service.port }}
+              protocol: TCP
+          env:
+            - name: GF_SECURITY_ADMIN_USER
+              value: {{ .Values.grafana.adminUser | quote }}
+            - name: GF_SECURITY_ADMIN_PASSWORD
+              value: {{ .Values.grafana.adminPassword | quote }}
+          volumeMounts:
+            - name: grafana-config
+              mountPath: /etc/grafana/provisioning/datasources/datasource.yml
+              subPath: datasource.yml
+            - name: grafana-config
+              mountPath: /etc/grafana/provisioning/dashboards/dashboard.yml
+              subPath: dashboard.yml
+            - name: grafana-config
+              mountPath: /var/lib/grafana/dashboards/open-meteo-service.json
+              subPath: open-meteo-service.json
+            - name: grafana-data
+              mountPath: /var/lib/grafana
+          resources:
+            {{- toYaml .Values.grafana.resources | nindent 12 }}
+      volumes:
+        - name: grafana-config
+          configMap:
+            name: {{ include "open-meteo-service.grafanaFullname" . }}-config
+        - name: grafana-data
+          {{- if .Values.grafana.persistence.enabled }}
+          persistentVolumeClaim:
+            claimName: {{ include "open-meteo-service.grafanaFullname" . }}
+          {{- else }}
+          emptyDir: {}
+          {{- end }}
+{{- end }}

open-meteo-service/templates/grafana-ingress.yaml

@@ -0,0 +1,33 @@
+{{- if and .Values.grafana.enabled .Values.grafana.ingress.enabled }}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ include "open-meteo-service.grafanaFullname" . }}
+  {{- if .Values.grafana.ingress.className }}
+  annotations:
+    kubernetes.io/ingress.class: {{ .Values.grafana.ingress.className }}
+  {{- end }}
+spec:
+  {{- if .Values.grafana.ingress.className }}
+  ingressClassName: {{ .Values.grafana.ingress.className }}
+  {{- end }}
+  rules:
+    {{- range .Values.grafana.ingress.hosts }}
+    - host: {{ .host }}
+      http:
+        paths:
+          {{- range .paths }}
+          - path: {{ .path }}
+            pathType: {{ .pathType }}
+            backend:
+              service:
+                name: {{ include "open-meteo-service.grafanaFullname" $ }}
+                port:
+                  number: {{ $.Values.grafana.service.port }}
+          {{- end }}
+    {{- end }}
+  {{- if .Values.grafana.ingress.tls }}
+  tls:
+    {{- toYaml .Values.grafana.ingress.tls | nindent 4 }}
+  {{- end }}
+{{- end }}

open-meteo-service/templates/grafana-service.yaml

@@ -0,0 +1,20 @@
+{{- if .Values.grafana.enabled }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "open-meteo-service.grafanaFullname" . }}
+  labels:
+    {{- include "open-meteo-service.labels" . | nindent 4 }}
+    app.kubernetes.io/component: grafana
+spec:
+  type: {{ .Values.grafana.service.type }}
+  ports:
+    - port: {{ .Values.grafana.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    app.kubernetes.io/name: {{ include "open-meteo-service.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/component: grafana
+{{- end }}

open-meteo-service/templates/ingress.yaml

@@ -0,0 +1,33 @@
+{{- if .Values.ingress.enabled }}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ include "open-meteo-service.fullname" . }}
+  {{- if .Values.ingress.className }}
+  annotations:
+    kubernetes.io/ingress.class: {{ .Values.ingress.className }}
+  {{- end }}
+spec:
+  {{- if .Values.ingress.className }}
+  ingressClassName: {{ .Values.ingress.className }}
+  {{- end }}
+  rules:
+    {{- range .Values.ingress.hosts }}
+    - host: {{ .host }}
+      http:
+        paths:
+          {{- range .paths }}
+          - path: {{ .path }}
+            pathType: {{ .pathType }}
+            backend:
+              service:
+                name: {{ include "open-meteo-service.fullname" $ }}
+                port:
+                  number: {{ $.Values.service.port }}
+          {{- end }}
+    {{- end }}
+  {{- if .Values.ingress.tls }}
+  tls:
+    {{- toYaml .Values.ingress.tls | nindent 4 }}
+  {{- end }}
+{{- end }}

open-meteo-service/templates/prometheus-configmap.yaml

@@ -0,0 +1,23 @@
+{{- if .Values.prometheus.enabled }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "open-meteo-service.prometheusFullname" . }}
+  labels:
+    {{- include "open-meteo-service.labels" . | nindent 4 }}
+    app.kubernetes.io/component: prometheus
+data:
+  prometheus.yml: |-
+    global:
+      scrape_interval: 15s
+
+    scrape_configs:
+      - job_name: "prometheus"
+        static_configs:
+          - targets: ["{{ include "open-meteo-service.prometheusFullname" . }}:{{ .Values.prometheus.service.port }}"]
+
+      - job_name: "open-meteo-service"
+        metrics_path: "/metrics"
+        static_configs:
+          - targets: ["{{ include "open-meteo-service.fullname" . }}:{{ .Values.service.port }}"]
+{{- end }}

open-meteo-service/templates/prometheus-deployment.yaml

@@ -0,0 +1,54 @@
+{{- if .Values.prometheus.enabled }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "open-meteo-service.prometheusFullname" . }}
+  labels:
+    {{- include "open-meteo-service.labels" . | nindent 4 }}
+    app.kubernetes.io/component: prometheus
+spec:
+  replicas: {{ .Values.prometheus.replicaCount }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "open-meteo-service.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+      app.kubernetes.io/component: prometheus
+  template:
+    metadata:
+      labels:
+        {{- include "open-meteo-service.labels" . | nindent 8 }}
+        app.kubernetes.io/component: prometheus
+    spec:
+      containers:
+        - name: prometheus
+          image: {{ .Values.prometheus.image | quote }}
+          ports:
+            - name: http
+              containerPort: {{ .Values.prometheus.service.port }}
+              protocol: TCP
+          args:
+            - "--config.file=/etc/prometheus/prometheus.yml"
+            - "--storage.tsdb.path=/prometheus"
+            {{- range .Values.prometheus.extraArgs }}
+            - {{ . | quote }}
+            {{- end }}
+          volumeMounts:
+            - name: prometheus-config
+              mountPath: /etc/prometheus/prometheus.yml
+              subPath: prometheus.yml
+            - name: prometheus-data
+              mountPath: /prometheus
+          resources:
+            {{- toYaml .Values.prometheus.resources | nindent 12 }}
+      volumes:
+        - name: prometheus-config
+          configMap:
+            name: {{ include "open-meteo-service.prometheusFullname" . }}
+        - name: prometheus-data
+          {{- if .Values.prometheus.persistence.enabled }}
+          persistentVolumeClaim:
+            claimName: {{ include "open-meteo-service.prometheusFullname" . }}
+          {{- else }}
+          emptyDir: {}
+          {{- end }}
+{{- end }}

open-meteo-service/templates/prometheus-ingress.yaml

@@ -0,0 +1,33 @@
+{{- if and .Values.prometheus.enabled .Values.prometheus.ingress.enabled }}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ include "open-meteo-service.prometheusFullname" . }}
+  {{- if .Values.prometheus.ingress.className }}
+  annotations:
+    kubernetes.io/ingress.class: {{ .Values.prometheus.ingress.className }}
+  {{- end }}
+spec:
+  {{- if .Values.prometheus.ingress.className }}
+  ingressClassName: {{ .Values.prometheus.ingress.className }}
+  {{- end }}
+  rules:
+    {{- range .Values.prometheus.ingress.hosts }}
+    - host: {{ .host }}
+      http:
+        paths:
+          {{- range .paths }}
+          - path: {{ .path }}
+            pathType: {{ .pathType }}
+            backend:
+              service:
+                name: {{ include "open-meteo-service.prometheusFullname" $ }}
+                port:
+                  number: {{ $.Values.prometheus.service.port }}
+          {{- end }}
+    {{- end }}
+  {{- if .Values.prometheus.ingress.tls }}
+  tls:
+    {{- toYaml .Values.prometheus.ingress.tls | nindent 4 }}
+  {{- end }}
+{{- end }}

open-meteo-service/templates/prometheus-service.yaml

@@ -0,0 +1,20 @@
+{{- if .Values.prometheus.enabled }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "open-meteo-service.prometheusFullname" . }}
+  labels:
+    {{- include "open-meteo-service.labels" . | nindent 4 }}
+    app.kubernetes.io/component: prometheus
+spec:
+  type: {{ .Values.prometheus.service.type }}
+  ports:
+    - port: {{ .Values.prometheus.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    app.kubernetes.io/name: {{ include "open-meteo-service.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/component: prometheus
+{{- end }}

open-meteo-service/templates/pvc.yaml

@@ -0,0 +1,57 @@
+{{- if .Values.persistence.enabled }}
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "open-meteo-service.fullname" . }}
+  labels:
+    {{- include "open-meteo-service.labels" . | nindent 4 }}
+spec:
+  accessModes:
+    {{- toYaml .Values.persistence.accessModes | nindent 4 }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size }}
+  {{- if .Values.persistence.storageClassName }}
+  storageClassName: {{ .Values.persistence.storageClassName | quote }}
+  {{- end }}
+{{- end }}
+
+{{- if .Values.prometheus.persistence.enabled }}
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "open-meteo-service.prometheusFullname" . }}
+  labels:
+    {{- include "open-meteo-service.labels" . | nindent 4 }}
+    app.kubernetes.io/component: prometheus
+spec:
+  accessModes:
+    {{- toYaml .Values.prometheus.persistence.accessModes | nindent 4 }}
+  resources:
+    requests:
+      storage: {{ .Values.prometheus.persistence.size }}
+  {{- if .Values.prometheus.persistence.storageClassName }}
+  storageClassName: {{ .Values.prometheus.persistence.storageClassName | quote }}
+  {{- end }}
+{{- end }}
+
+{{- if .Values.grafana.persistence.enabled }}
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "open-meteo-service.grafanaFullname" . }}
+  labels:
+    {{- include "open-meteo-service.labels" . | nindent 4 }}
+    app.kubernetes.io/component: grafana
+spec:
+  accessModes:
+    {{- toYaml .Values.grafana.persistence.accessModes | nindent 4 }}
+  resources:
+    requests:
+      storage: {{ .Values.grafana.persistence.size }}
+  {{- if .Values.grafana.persistence.storageClassName }}
+  storageClassName: {{ .Values.grafana.persistence.storageClassName | quote }}
+  {{- end }}
+{{- end }}

open-meteo-service/templates/service.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "open-meteo-service.fullname" . }}
+  labels:
+    {{- include "open-meteo-service.labels" . | nindent 4 }}
+    app.kubernetes.io/component: api
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "open-meteo-service.selectorLabels" . | nindent 4 }}

open-meteo-service/values.yaml

@@ -0,0 +1,97 @@
+replicaCount: 1
+
+image:
+  repository: harbor.dvirlabs.com/my-apps/open-meteo-service
+  tag: "1.0.2"
+  pullPolicy: IfNotPresent
+
+imagePullSecrets:
+  - name: harbor-regcred
+
+service:
+  type: ClusterIP
+  port: 8000
+
+ingress:
+  enabled: true
+  className: "traefik"
+  hosts:
+    - host: open-meteo.dvirlabs.com
+      paths:
+        - path: /
+          pathType: Prefix
+  tls: []
+
+podAnnotations:
+  prometheus.io/scrape: "true"
+  prometheus.io/path: /metrics
+  prometheus.io/port: "8000"
+
+env:
+  cacheFile: /data/coordinates_cache.json
+
+persistence:
+  enabled: false
+  accessModes:
+    - ReadWriteOnce
+  size: 1Gi
+  storageClassName: ""
+
+resources: {}
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}
+
+prometheus:
+  enabled: true
+  replicaCount: 1
+  image: prom/prometheus:latest
+  service:
+    type: ClusterIP
+    port: 9090
+  ingress:
+    enabled: true
+    className: "traefik"
+    hosts:
+      - host: open-meteo-prometheus.dvirlabs.com
+        paths:
+          - path: /
+            pathType: Prefix
+    tls: []
+  persistence:
+    enabled: false
+    accessModes:
+      - ReadWriteOnce
+    size: 5Gi
+    storageClassName: ""
+  resources: {}
+  extraArgs: []
+
+grafana:
+  enabled: true
+  replicaCount: 1
+  image: grafana/grafana:latest
+  service:
+    type: ClusterIP
+    port: 3000
+  adminUser: admin
+  adminPassword: admin
+  ingress:
+    enabled: true
+    className: "traefik"
+    hosts:
+      - host: open-meteo-grafana.dvirlabs.com
+        paths:
+          - path: /
+            pathType: Prefix
+    tls: []
+  persistence:
+    enabled: false
+    accessModes:
+      - ReadWriteOnce
+    size: 5Gi
+    storageClassName: ""
+  resources: {}