feat: add deploy script for mcp-prometheus and mcp-loki with auto-detection

apps/ollama-mcp/deploy-monitoring-mcps.sh

@@ -0,0 +1,135 @@
+#!/usr/bin/env bash
+# ============================================================
+# deploy-monitoring-mcps.sh
+# Builds and deploys mcp-prometheus + mcp-loki
+# Run from: apps/ollama-mcp/
+# ============================================================
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$SCRIPT_DIR"
+
+RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'; CYAN='\033[0;36m'; NC='\033[0m'
+info()    { echo -e "${CYAN}[INFO]${NC}  $*"; }
+success() { echo -e "${GREEN}[OK]${NC}    $*"; }
+warn()    { echo -e "${YELLOW}[WARN]${NC}  $*"; }
+die()     { echo -e "${RED}[ERROR]${NC} $*" >&2; exit 1; }
+
+# ── Pre-flight ───────────────────────────────────────────────
+command -v docker >/dev/null 2>&1 || die "docker not found"
+command -v docker compose >/dev/null 2>&1 || die "docker compose not found"
+
+[[ -f .env ]] || {
+  warn ".env not found — copying from .env.example"
+  cp .env.example .env
+  echo ""
+  warn "Edit .env and set PROMETHEUS_URL and LOKI_URL, then re-run."
+  warn "  PROMETHEUS_URL=http://<node-ip>:<nodeport>"
+  warn "  LOKI_URL=http://<node-ip>:<nodeport>"
+  echo ""
+  exit 1
+}
+
+source .env
+
+# ── Detect Prometheus & Loki URLs ───────────────────────────
+info "Checking Prometheus URL: ${PROMETHEUS_URL:-not set}"
+info "Checking Loki URL:       ${LOKI_URL:-not set}"
+
+if [[ -z "${PROMETHEUS_URL:-}" ]]; then
+  warn "PROMETHEUS_URL is not set in .env"
+  echo ""
+  info "Trying to auto-detect from kubectl..."
+  if command -v kubectl >/dev/null 2>&1; then
+    PROM_PORT=$(kubectl -n monitoring get svc kube-prometheus-stack-prometheus \
+      -o jsonpath='{.spec.ports[0].nodePort}' 2>/dev/null || echo "")
+    NODE_IP=$(kubectl get nodes -o jsonpath='{.items[0].status.addresses[?(@.type=="InternalIP")].address}' 2>/dev/null || echo "")
+    if [[ -n "$PROM_PORT" && -n "$NODE_IP" ]]; then
+      success "Auto-detected Prometheus: http://${NODE_IP}:${PROM_PORT}"
+      sed -i "s|PROMETHEUS_URL=.*|PROMETHEUS_URL=http://${NODE_IP}:${PROM_PORT}|" .env
+      PROMETHEUS_URL="http://${NODE_IP}:${PROM_PORT}"
+    else
+      die "Could not auto-detect. Set PROMETHEUS_URL manually in .env"
+    fi
+  else
+    die "kubectl not found. Set PROMETHEUS_URL manually in .env"
+  fi
+fi
+
+if [[ -z "${LOKI_URL:-}" ]]; then
+  warn "LOKI_URL is not set in .env"
+  info "Trying to auto-detect from kubectl..."
+  if command -v kubectl >/dev/null 2>&1; then
+    LOKI_PORT=$(kubectl -n monitoring get svc loki \
+      -o jsonpath='{.spec.ports[0].nodePort}' 2>/dev/null || echo "")
+    NODE_IP=$(kubectl get nodes -o jsonpath='{.items[0].status.addresses[?(@.type=="InternalIP")].address}' 2>/dev/null || echo "")
+    if [[ -n "$LOKI_PORT" && -n "$NODE_IP" ]]; then
+      success "Auto-detected Loki: http://${NODE_IP}:${LOKI_PORT}"
+      sed -i "s|LOKI_URL=.*|LOKI_URL=http://${NODE_IP}:${LOKI_PORT}|" .env
+      LOKI_URL="http://${NODE_IP}:${LOKI_PORT}"
+    else
+      die "Could not auto-detect. Set LOKI_URL manually in .env"
+    fi
+  else
+    die "kubectl not found. Set LOKI_URL manually in .env"
+  fi
+fi
+
+# ── Build & Deploy ───────────────────────────────────────────
+echo ""
+info "Building mcp-prometheus..."
+docker compose build mcp-prometheus
+success "mcp-prometheus built"
+
+info "Building mcp-loki..."
+docker compose build mcp-loki
+success "mcp-loki built"
+
+info "Starting containers..."
+docker compose up -d mcp-prometheus mcp-loki
+success "Containers started"
+
+# ── Health checks ────────────────────────────────────────────
+echo ""
+info "Waiting for health checks..."
+sleep 5
+
+PROM_PORT="${MCP_PROMETHEUS_PORT:-3003}"
+LOKI_PORT_MCP="${MCP_LOKI_PORT:-3005}"
+
+check_health() {
+  local name=$1 port=$2
+  if curl -sf "http://localhost:${port}/health" >/dev/null 2>&1; then
+    success "${name} is healthy → http://localhost:${port}"
+  else
+    warn "${name} health check failed — check logs:"
+    echo "  docker compose logs ${name}"
+  fi
+}
+
+check_health "mcp-prometheus" "$PROM_PORT"
+check_health "mcp-loki"       "$LOKI_PORT_MCP"
+
+# ── Summary ──────────────────────────────────────────────────
+echo ""
+echo -e "${GREEN}═══════════════════════════════════════════════════${NC}"
+echo -e "${GREEN}  MCP Monitoring Stack Deployed${NC}"
+echo -e "${GREEN}═══════════════════════════════════════════════════${NC}"
+echo ""
+echo "  Prometheus MCP  →  http://localhost:${PROM_PORT}"
+echo "  Loki MCP        →  http://localhost:${LOKI_PORT_MCP}"
+echo ""
+echo -e "${CYAN}Example prompts for Ollama:${NC}"
+echo '  "Which pods have the most CPU usage right now?"'
+echo '  "Show errors from the argocd namespace last 30 minutes"'
+echo '  "Find any OOMKilled events in the last 24 hours"'
+echo '  "What are the top memory-consuming pods in monitoring?"'
+echo '  "Show firing alerts"'
+echo ""
+echo -e "${CYAN}Useful commands:${NC}"
+echo "  docker compose logs -f mcp-prometheus"
+echo "  docker compose logs -f mcp-loki"
+echo "  docker compose ps"
+echo "  docker compose restart mcp-prometheus mcp-loki"
+echo ""