Initial commit: loc_az_hci (smom-dbis-138 excluded via .gitignore)
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Co-authored-by: Cursor <cursoragent@cursor.com>
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261
scripts/infrastructure/setup-guest-agent.sh
Executable file
261
scripts/infrastructure/setup-guest-agent.sh
Executable file
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#!/bin/bash
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source ~/.bashrc
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# Install and Configure QEMU Guest Agent on All VMs
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# This script installs qemu-guest-agent on Ubuntu VMs and enables it in Proxmox
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set -e
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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'
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log_info() {
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echo -e "${GREEN}[INFO]${NC} $1"
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}
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log_error() {
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echo -e "${RED}[ERROR]${NC} $1"
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}
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log_step() {
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echo -e "${BLUE}[STEP]${NC} $1"
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}
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log_warn() {
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echo -e "${YELLOW}[WARN]${NC} $1"
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}
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# Load environment variables
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if [ -f .env ]; then
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set -a
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source <(grep -v '^#' .env | grep -v '^$' | sed 's/#.*$//' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//' | grep '=')
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set +a
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fi
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PVE_USERNAME="${PVE_USERNAME:-root@pam}"
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PVE_PASSWORD="${PVE_ROOT_PASS:-}"
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PROXMOX_URL="https://192.168.1.206:8006"
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PROXMOX_NODE="pve"
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# VM Configuration
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declare -A VMS=(
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[100]="cloudflare-tunnel:192.168.1.60"
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[101]="k3s-master:192.168.1.188"
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[102]="git-server:192.168.1.121"
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[103]="observability:192.168.1.82"
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)
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SSH_USER="${SSH_USER:-ubuntu}"
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SSH_KEY="${SSH_KEY:-~/.ssh/id_rsa}"
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# Get authentication ticket
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get_ticket() {
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local response=$(curl -k -s -d "username=$PVE_USERNAME&password=$PVE_PASSWORD" \
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"$PROXMOX_URL/api2/json/access/ticket")
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local ticket=$(echo "$response" | grep -o '"ticket":"[^"]*' | cut -d'"' -f4)
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local csrf=$(echo "$response" | grep -o '"CSRFPreventionToken":"[^"]*' | cut -d'"' -f4)
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if [ -z "$ticket" ] || [ -z "$csrf" ]; then
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log_error "Failed to authenticate with Proxmox"
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return 1
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fi
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echo "$ticket|$csrf"
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}
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# Check if VM is reachable
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check_vm_reachable() {
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local ip=$1
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if ping -c 1 -W 2 "$ip" > /dev/null 2>&1; then
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return 0
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else
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return 1
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fi
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}
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# Check SSH connectivity
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check_ssh() {
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local ip=$1
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local user=$2
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if ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no -i "$SSH_KEY" "${user}@${ip}" "echo 'SSH OK'" > /dev/null 2>&1; then
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return 0
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else
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return 1
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fi
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}
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# Install guest agent on VM
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install_guest_agent_on_vm() {
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local vmid=$1
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local name=$2
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local ip=$3
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log_step "Installing QEMU Guest Agent on VM $vmid: $name"
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# Check if VM is reachable
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if ! check_vm_reachable "$ip"; then
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log_error "VM at $ip is not reachable, skipping..."
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return 1
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fi
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# Check SSH
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if ! check_ssh "$ip" "$SSH_USER"; then
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log_error "SSH not available on $ip, skipping..."
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return 1
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fi
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log_info "Installing qemu-guest-agent via SSH..."
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# Install qemu-guest-agent
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ssh -o StrictHostKeyChecking=no -i "$SSH_KEY" "${SSH_USER}@${ip}" <<EOF
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sudo apt-get update
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sudo apt-get install -y qemu-guest-agent
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sudo systemctl enable qemu-guest-agent
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sudo systemctl start qemu-guest-agent
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sudo systemctl status qemu-guest-agent --no-pager | head -5
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EOF
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if [ $? -eq 0 ]; then
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log_info "✓ Guest agent installed and started on VM $vmid"
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return 0
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else
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log_error "✗ Failed to install guest agent on VM $vmid"
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return 1
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fi
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}
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# Enable guest agent in Proxmox VM configuration
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enable_guest_agent_in_proxmox() {
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local auth=$1
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local vmid=$2
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local name=$3
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local ticket=$(echo "$auth" | cut -d'|' -f1)
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local csrf=$(echo "$auth" | cut -d'|' -f2)
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log_step "Enabling guest agent in Proxmox for VM $vmid: $name"
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# Enable agent in VM config
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local response=$(curl -k -s -X PUT \
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-H "Cookie: PVEAuthCookie=$ticket" \
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-H "CSRFPreventionToken: $csrf" \
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-d "agent=1" \
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"$PROXMOX_URL/api2/json/nodes/$PROXMOX_NODE/qemu/$vmid/config" 2>&1)
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if echo "$response" | grep -q '"errors"'; then
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log_error "Failed to enable agent: $response"
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return 1
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fi
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log_info "✓ Guest agent enabled in Proxmox for VM $vmid"
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return 0
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}
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# Verify guest agent is working
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verify_guest_agent() {
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local auth=$1
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local vmid=$2
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local name=$3
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local ticket=$(echo "$auth" | cut -d'|' -f1)
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local csrf=$(echo "$auth" | cut -d'|' -f2)
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log_step "Verifying guest agent for VM $vmid: $name"
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# Check agent status via Proxmox API
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local response=$(curl -k -s \
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-H "Cookie: PVEAuthCookie=$ticket" \
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-H "CSRFPreventionToken: $csrf" \
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"$PROXMOX_URL/api2/json/nodes/$PROXMOX_NODE/qemu/$vmid/agent/get-fsinfo" 2>&1)
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if echo "$response" | grep -q '"result"'; then
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log_info "✓ Guest agent is responding"
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return 0
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else
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log_warn "⚠ Guest agent may not be fully ready yet"
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log_info " This is normal if VM was just configured"
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log_info " Agent may take a few minutes to initialize"
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return 1
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fi
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}
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main() {
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echo "========================================="
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echo "Setup QEMU Guest Agent on All VMs"
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echo "========================================="
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echo ""
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if [ -z "$PVE_PASSWORD" ]; then
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log_error "PVE_ROOT_PASS not set in .env"
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exit 1
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fi
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if [ ! -f "$SSH_KEY" ]; then
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log_error "SSH key not found: $SSH_KEY"
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log_info "Set SSH_KEY environment variable or create key pair"
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exit 1
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fi
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log_info "Using SSH key: $SSH_KEY"
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log_info "SSH user: $SSH_USER"
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echo ""
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# Authenticate with Proxmox
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auth=$(get_ticket)
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if [ $? -ne 0 ]; then
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exit 1
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fi
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# Process each VM
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for vmid in 100 101 102 103; do
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IFS=':' read -r name ip <<< "${VMS[$vmid]}"
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echo "----------------------------------------"
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log_step "Processing VM $vmid: $name"
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echo ""
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# Step 1: Install guest agent on VM
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if install_guest_agent_on_vm "$vmid" "$name" "$ip"; then
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log_info "✓ Guest agent installed on VM"
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else
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log_error "✗ Failed to install guest agent"
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echo ""
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continue
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fi
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# Step 2: Enable agent in Proxmox
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if enable_guest_agent_in_proxmox "$auth" "$vmid" "$name"; then
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log_info "✓ Agent enabled in Proxmox"
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else
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log_error "✗ Failed to enable agent in Proxmox"
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fi
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# Step 3: Verify (optional, may take time)
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sleep 2
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verify_guest_agent "$auth" "$vmid" "$name" || true
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echo ""
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done
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log_info "========================================="
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log_info "Guest Agent Setup Complete"
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log_info "========================================="
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echo ""
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log_info "Benefits of QEMU Guest Agent:"
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echo " • Proper VM shutdown/reboot from Proxmox"
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echo " • Automatic IP address detection"
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echo " • Better VM status reporting"
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echo " • File system information"
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echo ""
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log_warn "Note: Guest agent may take a few minutes to fully initialize"
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log_info "You can verify in Proxmox Web UI:"
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echo " VM → Monitor → QEMU Guest Agent"
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}
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main "$@"
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