269 lines
8.5 KiB
Bash
269 lines
8.5 KiB
Bash
#!/bin/bash
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# Cluster Health Dashboard - Quick Setup Script
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# This script helps you set up the dashboard pipeline
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set -e
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echo "╔══════════════════════════════════════════════════════════╗"
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echo "║ Kubernetes Cluster Health Dashboard - Quick Setup ║"
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echo "╚══════════════════════════════════════════════════════════╝"
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echo ""
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# Colors
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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# Check if running in correct directory
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if [ ! -f "Jenkinsfile" ]; then
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echo -e "${RED}❌ Error: Jenkinsfile not found!${NC}"
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echo "Please run this script from the cluster-health-dashboard directory"
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exit 1
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fi
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echo -e "${BLUE}🔍 Checking prerequisites...${NC}"
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echo ""
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# Check kubectl
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echo -n "Checking kubectl... "
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if command -v kubectl &> /dev/null; then
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KUBECTL_VERSION=$(kubectl version --client --short 2>/dev/null | cut -d" " -f3)
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echo -e "${GREEN}✅ Found (${KUBECTL_VERSION})${NC}"
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else
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echo -e "${RED}❌ Not found${NC}"
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echo "Please install kubectl first"
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exit 1
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fi
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# Check jq
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echo -n "Checking jq... "
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if command -v jq &> /dev/null; then
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JQ_VERSION=$(jq --version)
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echo -e "${GREEN}✅ Found (${JQ_VERSION})${NC}"
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else
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echo -e "${YELLOW}⚠️ Not found${NC}"
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echo "Installing jq..."
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if [[ "$OSTYPE" == "darwin"* ]]; then
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brew install jq
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else
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sudo apt-get update && sudo apt-get install -y jq
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fi
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fi
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# Check curl
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echo -n "Checking curl... "
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if command -v curl &> /dev/null; then
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echo -e "${GREEN}✅ Found${NC}"
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else
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echo -e "${RED}❌ Not found${NC}"
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exit 1
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fi
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# Check cluster access
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echo -n "Checking Kubernetes cluster access... "
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if kubectl cluster-info &> /dev/null; then
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CLUSTER_VERSION=$(kubectl version --short 2>/dev/null | grep Server | cut -d" " -f3)
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echo -e "${GREEN}✅ Connected (${CLUSTER_VERSION})${NC}"
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else
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echo -e "${RED}❌ Cannot connect to cluster${NC}"
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echo "Please configure kubectl first"
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exit 1
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fi
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# Check Prometheus
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echo ""
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echo -e "${BLUE}🔍 Checking Prometheus...${NC}"
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echo ""
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echo -n "Looking for Prometheus service... "
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if kubectl get svc -A | grep -q prometheus; then
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PROM_NAMESPACE=$(kubectl get svc -A | grep prometheus-server | awk '{print $1}' | head -1)
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PROM_SERVICE=$(kubectl get svc -A | grep prometheus-server | awk '{print $2}' | head -1)
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PROM_URL="http://${PROM_SERVICE}.${PROM_NAMESPACE}.svc.cluster.local"
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echo -e "${GREEN}✅ Found${NC}"
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echo " Namespace: ${PROM_NAMESPACE}"
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echo " Service: ${PROM_SERVICE}"
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echo " URL: ${PROM_URL}"
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# Test Prometheus access
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echo -n " Testing Prometheus API... "
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if kubectl run test-prom --rm -i --restart=Never --image=curlimages/curl:latest -- \
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curl -s "${PROM_URL}/api/v1/query?query=up" | grep -q '"status":"success"' 2>/dev/null; then
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echo -e "${GREEN}✅ Accessible${NC}"
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else
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echo -e "${YELLOW}⚠️ Cannot verify (might still work)${NC}"
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fi
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else
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echo -e "${YELLOW}⚠️ Not found in cluster${NC}"
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echo " Dashboard will work but without Prometheus metrics"
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echo " You can install Prometheus later"
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fi
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# Get cluster info
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echo ""
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echo -e "${BLUE}📊 Your cluster overview:${NC}"
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echo ""
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NODE_COUNT=$(kubectl get nodes --no-headers | wc -l)
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NAMESPACE_COUNT=$(kubectl get namespaces --no-headers | wc -l)
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POD_COUNT=$(kubectl get pods --all-namespaces --no-headers | wc -l)
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echo " Nodes: ${NODE_COUNT}"
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echo " Namespaces: ${NAMESPACE_COUNT}"
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echo " Total Pods: ${POD_COUNT}"
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# Calculate total resources
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TOTAL_CPU=0
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TOTAL_MEMORY_GB=0
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while IFS= read -r line; do
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CPU=$(echo $line | jq -r '.status.capacity.cpu')
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MEMORY_KI=$(echo $line | jq -r '.status.capacity.memory' | sed 's/Ki//')
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TOTAL_CPU=$((TOTAL_CPU + CPU))
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MEMORY_GB=$((MEMORY_KI / 1024 / 1024))
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TOTAL_MEMORY_GB=$((TOTAL_MEMORY_GB + MEMORY_GB))
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done < <(kubectl get nodes -o json | jq -c '.items[]')
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echo " Total CPU: ${TOTAL_CPU} cores"
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echo " Total Memory: ${TOTAL_MEMORY_GB} GB"
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# Estimate costs
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CPU_PRICE=0.04
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MEMORY_PRICE=0.005
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MONTHLY_CPU_COST=$(echo "${TOTAL_CPU} * 24 * 30 * ${CPU_PRICE}" | bc)
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MONTHLY_MEMORY_COST=$(echo "${TOTAL_MEMORY_GB} * 24 * 30 * ${MEMORY_PRICE}" | bc)
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TOTAL_COST=$(echo "${MONTHLY_CPU_COST} + ${MONTHLY_MEMORY_COST}" | bc)
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echo ""
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echo -e "${BLUE}💰 Estimated monthly costs (at default rates):${NC}"
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echo " CPU: \$${MONTHLY_CPU_COST}"
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echo " Memory: \$${MONTHLY_MEMORY_COST}"
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echo " Total: \$${TOTAL_COST}"
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echo ""
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echo -e "${YELLOW} 💡 You can adjust pricing in Jenkinsfile${NC}"
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# Telegram setup
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echo ""
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echo -e "${BLUE}📱 Telegram Setup${NC}"
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echo ""
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read -p "Do you want to set up Telegram notifications? (y/n) " -n 1 -r
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echo
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if [[ $REPLY =~ ^[Yy]$ ]]; then
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echo ""
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echo "To set up Telegram:"
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echo "1. Open Telegram and find @BotFather"
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echo "2. Send: /newbot"
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echo "3. Follow instructions to get your bot token"
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echo ""
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echo "Then get your Chat ID:"
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echo "1. Find @userinfobot in Telegram"
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echo "2. Send: /start"
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echo "3. Copy your ID"
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echo ""
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read -p "Press Enter when you have both token and chat ID..."
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echo ""
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read -p "Enter Bot Token: " BOT_TOKEN
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read -p "Enter Chat ID: " CHAT_ID
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# Test
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echo -n "Testing Telegram connection... "
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RESPONSE=$(curl -s -X POST "https://api.telegram.org/bot${BOT_TOKEN}/sendMessage" \
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-d chat_id="${CHAT_ID}" \
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-d text="🎉 Cluster Health Dashboard setup test!")
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if echo "$RESPONSE" | grep -q '"ok":true'; then
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echo -e "${GREEN}✅ Success!${NC}"
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echo ""
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echo "Add these credentials to Jenkins:"
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echo ""
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echo "Credential 1:"
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echo " Kind: Secret text"
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echo " Secret: ${BOT_TOKEN}"
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echo " ID: telegram-bot-token"
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echo ""
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echo "Credential 2:"
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echo " Kind: Secret text"
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echo " Secret: ${CHAT_ID}"
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echo " ID: telegram-chat-id"
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echo ""
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else
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echo -e "${RED}❌ Failed${NC}"
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echo "Response: $RESPONSE"
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fi
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else
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echo "Skipping Telegram setup"
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fi
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# Git setup
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echo ""
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echo -e "${BLUE}📦 Git Repository Setup${NC}"
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echo ""
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read -p "Add to GitOps repository? (y/n) " -n 1 -r
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echo
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if [[ $REPLY =~ ^[Yy]$ ]]; then
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read -p "Enter path to k3s-gitops repository: " GITOPS_PATH
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if [ -d "$GITOPS_PATH" ]; then
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TARGET_DIR="${GITOPS_PATH}/apps/cluster-health-dashboard"
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mkdir -p "$TARGET_DIR"
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cp Jenkinsfile "$TARGET_DIR/"
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cp README.md "$TARGET_DIR/"
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echo -e "${GREEN}✅ Files copied to ${TARGET_DIR}${NC}"
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echo ""
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echo "Next steps:"
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echo " cd ${GITOPS_PATH}"
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echo " git add apps/cluster-health-dashboard/"
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echo " git commit -m 'feat: add cluster health dashboard pipeline'"
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echo " git push origin main"
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else
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echo -e "${RED}❌ Directory not found: ${GITOPS_PATH}${NC}"
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fi
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fi
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# Summary
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echo ""
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echo "╔══════════════════════════════════════════════════════════╗"
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echo "║ Setup Summary ║"
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echo "╚══════════════════════════════════════════════════════════╝"
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echo ""
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echo -e "${GREEN}✅ Prerequisites verified${NC}"
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echo -e "${GREEN}✅ Cluster access confirmed${NC}"
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echo ""
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echo -e "${BLUE}📋 Next Steps:${NC}"
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echo ""
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echo "1. Create Jenkins Pipeline:"
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echo " - Jenkins → New Item → Pipeline"
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echo " - Name: cluster-health-dashboard"
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echo " - Pipeline script from SCM → Git"
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echo " - Repository: your-gitea/k3s-gitops"
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echo " - Script Path: apps/cluster-health-dashboard/Jenkinsfile"
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echo ""
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echo "2. Configure Credentials (if using Telegram):"
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echo " - Add 'telegram-bot-token'"
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echo " - Add 'telegram-chat-id'"
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echo ""
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echo "3. Run First Build:"
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echo " - Build with Parameters"
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echo " - REPORT_PERIOD: 24h"
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echo " - SEND_TELEGRAM: true"
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echo ""
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echo "4. View Dashboard:"
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echo " - Build #1 → Cluster Health Dashboard (sidebar)"
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echo ""
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echo -e "${BLUE}📚 Documentation:${NC}"
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echo " See README.md for detailed setup and troubleshooting"
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echo ""
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echo -e "${GREEN}🎉 Setup complete! Good luck!${NC}"
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echo "" |