OS_CONDUCTOR__DEPLOY_CALLBACK_TIMEOUT=4800 - timeout (seconds) to wait for a callback from a deploy ramdisk
OS_CONDUCTOR__INSPECT_TIMEOUT=1800 - timeout (seconds) for waiting for node inspection
OS_CONDUCTOR__CLEAN_CALLBACK_TIMEOUT=1800 - timeout (seconds) to wait for a callback from the ramdisk doing the cleaning
OS_PXE__BOOT_RETRY_TIMEOUT=1200 - timeout (seconds) to enable boot retries.
https://github.com/suse-edge/charts/blob/2cd22cd7641a0d2d414cbbe2d97f974f66bd73ba/charts/metal3/0.6.5/charts/ironic/templates/configmap.yaml#L86
https://github.com/metal3-io/ironic-image?tab=readme-ov-file#description has some vars that would be nice to expose (for those like myself that are dealing with slow hardware environments) such as: