106 lines
2.5 KiB
Bash
106 lines
2.5 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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echo "=== Proxmox LXC (K3s-ready) Creator ==="
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echo
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### --- Container basics ---
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read -rp "Container ID (e.g. 110): " CT_ID
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read -rp "Hostname: " HOSTNAME
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read -rp "Rootfs size (GB, e.g. 16): " ROOTFS_SIZE
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read -rp "Memory (MB, e.g. 4096): " MEMORY
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read -rp "CPU cores (e.g. 2): " CORES
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read -rsp "Root password: " PASSWORD
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echo
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### --- Select LXC template ---
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echo
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echo "Fetching available LXC templates..."
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mapfile -t TEMPLATES < <(pveam list local | awk '/vztmpl/ {print $1}')
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if [[ ${#TEMPLATES[@]} -eq 0 ]]; then
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echo "❌ No templates found in local storage."
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echo "Run: pveam update && pveam available && pveam download local <template>"
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exit 1
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fi
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echo
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echo "Select Ubuntu (or other) template:"
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select TEMPLATE in "${TEMPLATES[@]}"; do
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[[ -n "${TEMPLATE:-}" ]] && break
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echo "Invalid selection."
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done
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### --- Select network bridge ---
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echo
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echo "Detecting network bridges..."
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mapfile -t BRIDGES < <(awk '/iface vmbr/ {print $2}' /etc/network/interfaces)
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if [[ ${#BRIDGES[@]} -eq 0 ]]; then
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echo "❌ No vmbr bridges detected."
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exit 1
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fi
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echo
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echo "Select network bridge:"
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select BRIDGE in "${BRIDGES[@]}"; do
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[[ -n "${BRIDGE:-}" ]] && break
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echo "Invalid selection."
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done
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echo
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echo "Creating container $CT_ID ($HOSTNAME)..."
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pct create "$CT_ID" "$TEMPLATE" \
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--hostname "$HOSTNAME" \
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--net0 "name=eth0,bridge=${BRIDGE},ip=dhcp" \
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--memory "$MEMORY" \
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--cores "$CORES" \
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--rootfs "local-lvm:${ROOTFS_SIZE}" \
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--swap 0 \
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--unprivileged 0 \
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--features nesting=1
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echo "Stopping container to patch config..."
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pct stop "$CT_ID"
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echo "Applying K3s-required LXC configuration..."
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cat <<EOF >> /etc/pve/lxc/${CT_ID}.conf
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# --- K3s / Kubernetes requirements ---
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lxc.apparmor.profile: unconfined
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lxc.cgroup.devices.allow: a
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lxc.cap.drop:
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lxc.mount.auto: "proc:rw sys:rw"
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EOF
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echo "Starting container..."
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pct start "$CT_ID"
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sleep 5
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echo "Setting root password..."
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pct exec "$CT_ID" -- bash -c "echo 'root:${PASSWORD}' | chpasswd"
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echo "Installing minimal dependencies..."
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pct exec "$CT_ID" -- bash -c "
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apt update &&
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apt install -y curl ca-certificates
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"
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echo "Creating /etc/rc.local inside container..."
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pct exec "$CT_ID" -- bash -c "
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cat <<'EOF' > /etc/rc.local
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#!/bin/sh -e
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if [ ! -e /dev/kmsg ]; then
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ln -s /dev/console /dev/kmsg
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fi
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mount --make-rshared /
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EOF
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chmod +x /etc/rc.local
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/etc/rc.local
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"
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echo
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echo "✅ Container $CT_ID is ready for K3s installation."
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echo " Networking: DHCP on ${BRIDGE}"
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echo " Template: ${TEMPLATE}"
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