#!/usr/bin/env bash
# Redis — the cluster half of the redis cabinet.
#
# Cache, and the broker anything queue-shaped runs on. No persistence: a broker
# that loses its queue on restart is the honest local model, and a PVC here buys
# nothing but a volume to clean up.
set -euo pipefail
cd "$(dirname "$0")/.."

source ./lib/config.sh
load_config

K="kubectl --context ${KUBECONTEXT}"
NS="${DATA_NAMESPACE:-data}"

$K get namespace "$NS" >/dev/null 2>&1 || $K create namespace "$NS"

echo "  applying manifests"
$K apply -n "$NS" -f - >/dev/null <<YAML
apiVersion: v1
kind: Service
metadata:
  name: redis
spec:
  selector:
    app: redis
  ports:
    - port: 6379
      targetPort: 6379
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis
spec:
  replicas: 1
  selector:
    matchLabels:
      app: redis
  template:
    metadata:
      labels:
        app: redis
    spec:
      containers:
        - name: redis
          image: ${REDIS_IMAGE}
          ports:
            - containerPort: 6379
          readinessProbe:
            exec:
              command: ["redis-cli", "ping"]
            initialDelaySeconds: 3
            periodSeconds: 5
YAML

echo "  waiting for redis..."
$K rollout status deployment/redis -n "$NS" --timeout=180s

echo "  in-cluster: redis://redis.${NS}.svc.cluster.local:6379/0"