Settle on v1 setup method. Test run completed successfully from bootstrap to service setup.
- Refactor dnsmasq configuration and scripts for improved variable handling and clarity - Updated dnsmasq configuration files to use direct variable references instead of data source functions for better readability. - Modified setup scripts to ensure they are run from the correct environment and directory, checking for the WC_HOME variable. - Changed paths in README and scripts to reflect the new directory structure. - Enhanced error handling in setup scripts to provide clearer guidance on required configurations. - Adjusted kernel and initramfs URLs in boot.ipxe to use the updated variable references.
This commit is contained in:
163
setup/cluster-nodes/detect-node-hardware.sh
Executable file
163
setup/cluster-nodes/detect-node-hardware.sh
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#!/bin/bash
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# Node registration script for Talos cluster setup
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# This script discovers hardware configuration from a node in maintenance mode
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# and updates config.yaml with per-node hardware settings
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set -euo pipefail
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# Check if WC_HOME is set
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if [ -z "${WC_HOME:-}" ]; then
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echo "Error: WC_HOME environment variable not set. Run \`source ./env.sh\`."
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exit 1
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fi
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# Usage function
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usage() {
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echo "Usage: register-node.sh <node-ip> <node-number>"
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echo ""
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echo "Register a Talos node by discovering its hardware configuration."
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echo "The node must be booted in maintenance mode and accessible via IP."
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echo ""
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echo "Arguments:"
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echo " node-ip Current IP of the node in maintenance mode"
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echo " node-number Node number (1, 2, or 3) for control plane nodes"
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echo ""
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echo "Examples:"
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echo " ./register-node.sh 192.168.8.168 1"
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echo " ./register-node.sh 192.168.8.169 2"
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echo ""
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echo "This script will:"
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echo " - Query the node for available network interfaces"
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echo " - Query the node for available disks"
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echo " - Update config.yaml with the per-node hardware settings"
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echo " - Update patch templates to use per-node hardware"
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}
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# Parse arguments
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if [ $# -ne 2 ]; then
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usage
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exit 1
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fi
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NODE_IP="$1"
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NODE_NUMBER="$2"
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# Validate node number
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if [[ ! "$NODE_NUMBER" =~ ^[1-3]$ ]]; then
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echo "Error: Node number must be 1, 2, or 3"
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exit 1
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fi
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echo "Registering Talos control plane node $NODE_NUMBER at $NODE_IP..."
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# Test connectivity
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echo "Testing connectivity to node..."
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if ! talosctl -n "$NODE_IP" get links --insecure >/dev/null 2>&1; then
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echo "Error: Cannot connect to node at $NODE_IP"
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echo "Make sure the node is booted in maintenance mode and accessible."
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exit 1
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fi
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echo "✅ Node is accessible"
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# Discover network interfaces
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echo "Discovering network interfaces..."
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# First, try to find the interface that's actually carrying traffic (has the default route)
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CONNECTED_INTERFACE=$(talosctl -n "$NODE_IP" get routes --insecure -o json 2>/dev/null | \
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jq -s -r '.[] | select(.spec.destination == "0.0.0.0/0" and .spec.gateway != null) | .spec.outLinkName' | \
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head -1)
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if [ -n "$CONNECTED_INTERFACE" ]; then
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ACTIVE_INTERFACE="$CONNECTED_INTERFACE"
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echo "✅ Discovered connected interface (with default route): $ACTIVE_INTERFACE"
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else
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# Fallback: find any active ethernet interface
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echo "No default route found, checking for active ethernet interfaces..."
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ACTIVE_INTERFACE=$(talosctl -n "$NODE_IP" get links --insecure -o json 2>/dev/null | \
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jq -s -r '.[] | select(.spec.operationalState == "up" and .spec.type == "ether" and .metadata.id != "lo") | .metadata.id' | \
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head -1)
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if [ -z "$ACTIVE_INTERFACE" ]; then
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echo "Error: No active ethernet interface found"
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echo "Available interfaces:"
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talosctl -n "$NODE_IP" get links --insecure
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echo ""
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echo "Available routes:"
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talosctl -n "$NODE_IP" get routes --insecure
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exit 1
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fi
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echo "✅ Discovered active interface: $ACTIVE_INTERFACE"
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fi
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# Discover available disks
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echo "Discovering available disks..."
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AVAILABLE_DISKS=$(talosctl -n "$NODE_IP" get disks --insecure -o json 2>/dev/null | \
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jq -s -r '.[] | select(.spec.size > 10000000000) | .metadata.id' | \
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head -5)
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if [ -z "$AVAILABLE_DISKS" ]; then
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echo "Error: No suitable disks found (must be >10GB)"
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echo "Available disks:"
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talosctl -n "$NODE_IP" get disks --insecure
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exit 1
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fi
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echo "Available disks (>10GB):"
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echo "$AVAILABLE_DISKS"
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echo ""
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# Let user choose disk
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echo "Select installation disk for node $NODE_NUMBER:"
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select INSTALL_DISK in $AVAILABLE_DISKS; do
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if [ -n "${INSTALL_DISK:-}" ]; then
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break
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fi
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echo "Invalid selection. Please try again."
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done
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# Add /dev/ prefix if not present
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if [[ "$INSTALL_DISK" != /dev/* ]]; then
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INSTALL_DISK="/dev/$INSTALL_DISK"
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fi
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echo "✅ Selected disk: $INSTALL_DISK"
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# Update config.yaml with per-node configuration
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echo "Updating config.yaml with node $NODE_NUMBER configuration..."
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CONFIG_FILE="${WC_HOME}/config.yaml"
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# Get the target IP for this node from the existing config
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TARGET_IP=$(yq eval ".cluster.nodes.control.node${NODE_NUMBER}.ip" "$CONFIG_FILE")
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# Use yq to update the per-node configuration
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yq eval ".cluster.nodes.control.node${NODE_NUMBER}.ip = \"$TARGET_IP\"" -i "$CONFIG_FILE"
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yq eval ".cluster.nodes.control.node${NODE_NUMBER}.interface = \"$ACTIVE_INTERFACE\"" -i "$CONFIG_FILE"
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yq eval ".cluster.nodes.control.node${NODE_NUMBER}.disk = \"$INSTALL_DISK\"" -i "$CONFIG_FILE"
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echo "✅ Updated config.yaml for node $NODE_NUMBER:"
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echo " - Target IP: $TARGET_IP"
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echo " - Network interface: $ACTIVE_INTERFACE"
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echo " - Installation disk: $INSTALL_DISK"
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echo ""
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echo "🎉 Node $NODE_NUMBER registration complete!"
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echo ""
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echo "Node configuration saved:"
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echo " - Target IP: $TARGET_IP"
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echo " - Interface: $ACTIVE_INTERFACE"
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echo " - Disk: $INSTALL_DISK"
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echo ""
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echo "Next steps:"
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echo "1. Regenerate machine configurations:"
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echo " ./generate-machine-configs.sh"
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echo ""
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echo "2. Apply configuration to this node:"
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echo " talosctl apply-config --insecure -n $NODE_IP --file final/controlplane-node-${NODE_NUMBER}.yaml"
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echo ""
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echo "3. Wait for reboot and verify static IP connectivity"
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echo "4. Repeat registration for additional control plane nodes"
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