Big bang

lab.env

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+#!/usr/bin/env bash
+# Shared configuration for the local Proxmox VE test cluster.
+
+# --- cluster identity ---
+CLUSTER_NAME="testlab"
+DOMAIN="lab.local"
+
+# --- libvirt connection (system instance; needs sudo) ---
+export LIBVIRT_DEFAULT_URI="qemu:///system"
+VIRSH="sudo virsh"
+VIRTINSTALL="sudo virt-install"
+
+# --- network ---
+NET_NAME="pve-net"
+NET_BRIDGE="pvebr0"
+NET_SUBNET="10.10.10.0"
+NET_PREFIX="24"
+NET_GW="10.10.10.1"
+NET_DHCP_START="10.10.10.100"
+NET_DHCP_END="10.10.10.200"
+
+# --- nodes (name : ip : mac) ---
+PVE1_NAME="pve1";     PVE1_IP="10.10.10.11";  PVE1_MAC="52:54:00:00:10:11"
+PVE2_NAME="pve2";     PVE2_IP="10.10.10.12";  PVE2_MAC="52:54:00:00:10:12"
+STORE_NAME="pvestore"; STORE_IP="10.10.10.13"; STORE_MAC="52:54:00:00:10:13"
+
+# --- credentials ---
+# Min length 8 for the PVE installer. Change if you like.
+ROOT_PASSWORD="ProxmoxLab123!"
+
+# --- node VM sizing ---
+NODE_VCPU="4"
+NODE_RAM_MB="8192"
+NODE_DISK_GB="48"
+
+# --- storage VM sizing ---
+STORE_VCPU="2"
+STORE_RAM_MB="2048"
+STORE_DATA_DISK_GB="60"      # extra data disk on the storage VM (sparse)
+ISCSI_LUN_GB="50"            # sparse backing file size for the iSCSI LUN
+ISCSI_IQN="iqn.2026-06.local.lab:store.lun0"
+
+# --- Proxmox VE ISO ---
+ISO_VERSION="9.2-1"
+ISO_FILE="proxmox-ve_${ISO_VERSION}.iso"
+ISO_URL="https://enterprise.proxmox.com/iso/${ISO_FILE}"
+ISO_SHA256="4e88fe416df9b527624a175f24c9aa07c714d3332afb1ee3dbf3879573ef2c6c"
+
+# --- Debian cloud image (storage VM base); 13 = trixie ---
+DEBIAN_IMG="debian-13-genericcloud-amd64.qcow2"
+DEBIAN_URL="https://cloud.debian.org/images/cloud/trixie/latest/${DEBIAN_IMG}"
+
+# --- working directories ---
+# Scripts and small artifacts live with the repo; heavy images live in the
+# libvirt pool path so qemu:///system (qemu user + SELinux virt_image_t) can
+# read them without permission/labeling headaches.
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+LIB_DIR="/var/lib/libvirt/images/pve-lab"     # ISOs, qcow2 disks, seed ISO (sudo-owned)
+BUILD_DIR="${SCRIPT_DIR}/build"               # rendered answer files, logs (user-owned)
+
+# --- automation SSH key (generated by 00-prereqs.sh) ---
+SSH_KEY="${SCRIPT_DIR}/.ssh/id_lab"
+SSH_PUB="${SSH_KEY}.pub"
+
+# SSH helper: connect to a node as root with the lab key, no host-key fuss.
+lab_ssh() {
+  ssh -i "$SSH_KEY" \
+      -o IdentitiesOnly=yes \
+      -o StrictHostKeyChecking=no \
+      -o UserKnownHostsFile=/dev/null \
+      -o ConnectTimeout=8 \
+      -o LogLevel=ERROR \
+      "root@$1" "${@:2}"
+}