##############################################################################
# M3 Coordinator — Deployment
# Stateless query/write layer — Prometheus remote_write & remote_read target
# This is what Grafana and Prometheus talk to (replaces Mimir endpoints)
##############################################################################

apiVersion: apps/v1
kind: Deployment
metadata:
  name: m3coordinator
  namespace: m3db
  labels:
    app.kubernetes.io/name: m3coordinator
    app.kubernetes.io/part-of: m3db
spec:
  replicas: 2
  selector:
    matchLabels:
      app.kubernetes.io/name: m3coordinator
  template:
    metadata:
      labels:
        app.kubernetes.io/name: m3coordinator
        app.kubernetes.io/part-of: m3db
      annotations:
        prometheus.io/scrape: "true"
        prometheus.io/port: "7203"
    spec:
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 100
              podAffinityTerm:
                labelSelector:
                  matchExpressions:
                    - key: app.kubernetes.io/name
                      operator: In
                      values:
                        - m3coordinator
                topologyKey: kubernetes.io/hostname
      containers:
        - name: m3coordinator
          image: quay.io/m3db/m3coordinator:v1.5.0
          imagePullPolicy: IfNotPresent
          args:
            - "-f"
            - "/etc/m3coordinator/m3coordinator.yml"
          ports:
            - containerPort: 7201
              name: api
              protocol: TCP
            - containerPort: 7203
              name: metrics
              protocol: TCP
          volumeMounts:
            - name: config
              mountPath: /etc/m3coordinator
            - name: cache-dir
              mountPath: /var/lib/m3kv
          resources:
            requests:
              cpu: 500m
              memory: 1Gi
            limits:
              cpu: "1"
              memory: 2Gi
          livenessProbe:
            httpGet:
              path: /health
              port: 7201
            initialDelaySeconds: 30
            periodSeconds: 10
          readinessProbe:
            httpGet:
              path: /health
              port: 7201
            initialDelaySeconds: 10
            periodSeconds: 5
      volumes:
        - name: config
          configMap:
            name: m3coordinator-config
        - name: cache-dir
          emptyDir: {}

---

##############################################################################
# M3 Coordinator Service
# Endpoints for Prometheus remote_write / remote_read / Grafana
#
# remote_write → http://m3coordinator.m3db.svc.cluster.local:7201/api/v1/prom/remote/write
# remote_read  → http://m3coordinator.m3db.svc.cluster.local:7201/api/v1/prom/remote/read
# query (Grafana Prometheus datasource) → http://m3coordinator.m3db.svc.cluster.local:7201
##############################################################################

apiVersion: v1
kind: Service
metadata:
  name: m3coordinator
  namespace: m3db
  labels:
    app.kubernetes.io/name: m3coordinator
    app.kubernetes.io/part-of: m3db
spec:
  type: ClusterIP
  ports:
    - name: api
      port: 7201
      targetPort: 7201
      protocol: TCP
    - name: metrics
      port: 7203
      targetPort: 7203
      protocol: TCP
  selector:
    app.kubernetes.io/name: m3coordinator

---

##############################################################################
# M3 Coordinator LoadBalancer Service
# External endpoint for cross-region/cross-cluster access
# Vultr CCM provisions a managed load balancer automatically
#
# remote_write → http://<LB-IP>:7201/api/v1/prom/remote/write
# remote_read  → http://<LB-IP>:7201/api/v1/prom/remote/read
# query (Grafana) → http://<LB-IP>:7201
##############################################################################

apiVersion: v1
kind: Service
metadata:
  name: m3coordinator-lb
  namespace: m3db
  labels:
    app.kubernetes.io/name: m3coordinator
    app.kubernetes.io/part-of: m3db
spec:
  type: LoadBalancer
  ports:
    - name: api
      port: 7201
      targetPort: 7201
      protocol: TCP
  selector:
    app.kubernetes.io/name: m3coordinator