Jean-Gabriel Gill-Couture
da5a869771
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Co-authored-by: Jean-Gabriel Gill-Couture <jeangabriel.gc@gmail.com> Co-authored-by: Ian Letourneau <ian@noma.to> Reviewed-on: https://git.nationtech.io/NationTech/harmony/pulls/130 Reviewed-by: Ian Letourneau <ian@noma.to> Co-authored-by: Jean-Gabriel Gill-Couture <jg@nationtech.io> Co-committed-by: Jean-Gabriel Gill-Couture <jg@nationtech.io>
64 lines
1.9 KiB
Django/Jinja
64 lines
1.9 KiB
Django/Jinja
#!ipxe
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# iPXE Chainloading Script
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#
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# Attempts to load a host-specific configuration file. If that fails,
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# it logs the failure, waits for a few seconds, and then attempts to
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# load a generic fallback configuration.
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# --- Configuration ---
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set base-url http://{{ gateway_ip }}:8080
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set hostfile ${base-url}/byMAC/01-${mac:hexhyp}.ipxe
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set fallbackfile ${base-url}/fallback.ipxe
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# --- Script Logic ---
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echo
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echo "========================================"
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echo " iPXE Network Boot Initiated"
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echo "========================================"
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echo "Client MAC Address: ${mac}"
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echo "Boot Server URL: ${base-url}"
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echo
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# --- Primary Boot Attempt ---
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echo "--> Attempting to load host-specific script..."
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echo " Location: ${hostfile}"
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sleep 2
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# The "&& exit ||" pattern works as follows:
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# 1. iPXE attempts to 'chain' the hostfile.
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# 2. If successful (returns 0), the "&& exit" part is executed, and this script terminates.
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# 3. If it fails (returns non-zero), the "||" part is triggered, and execution continues below.
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chain --autofree --replace ${hostfile} && exit ||
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# --- Fallback Boot Attempt ---
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# This part of the script is only reached if the 'chain ${hostfile}' command above failed.
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echo
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echo "--> Host-specific script not found or failed to load."
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echo
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echo
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echo "--> Attempting to load fallback script..."
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echo " Location: ${fallbackfile}"
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sleep 8
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chain --autofree --replace ${fallbackfile} && exit ||
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# --- Final Failure ---
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# This part is only reached if BOTH chain commands have failed.
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echo
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echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
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echo " FATAL: All boot scripts failed!"
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echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
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echo "Could not load either the host-specific script or the fallback script."
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echo "Dropping to iPXE shell for manual troubleshooting in 10 seconds."
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sleep 8
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shell
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# A final exit is good practice, though 'shell' is a blocking command.
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exit
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