Examples how to have maas auto-tag server models at a high level with "contains", or to you can get specific with exact matches for certain generations of hardware

more MaaS auto-tagging

[[ ${MAAS_PROFILE} ]] || MAAS_PROFILE=$(maas 2>/dev/null list|awk '{print $1}')

if [[ -z ${MAAS_PROFILE} ]];then

	printf "Cannot determine MaaS profile name.  Please log in to maas from the command line.\n\n"
	#if being called from a function, return
	[[ $0 = bash ]] && return 1
	#if being called from a script, exit
	[[ -f $0 ]] && exit 1

else

	#This tag will identify any Generation of HP XL420 Server (G1-G9)
	maas ${MAAS_PROFILE} tags create name=XL420 \
	comment="xpath tag to automatically identify Proliant XL420 Servers" \
	definition='contains(//node[@id="core" and @class="bus"]/product,"XL420")' \
	kernel_opts='net.ifnames=0 console=tty0 console=ttyS0'

	#This tag will identify any Generation of HP DL360 Server (G1-G9)
	maas ${MAAS_PROFILE} tags create name=DL360 \
	comment="xpath tag to automatically identify Proliant DL360 Servers" \
	definition='contains(//node[@id="core" and @class="bus"]/product,"DL360")' \
	kernel_opts='net.ifnames=0 console=tty1 console=ttyS1'

    	#This tag has a definition that should match all SuperMicro Servers
	maas ${MAAS_PROFILE} tags create name=SuperMicro \
	comment="xpath tag to automatically identify SuperMirco Servers" \
	definition='//node[@id="core" and @class="bus"]/vendor = "Supermicro"' \
	kernel_opts='net.ifnames=0 console=tty1 console=ttyS1'


	#Get more specific with hardware
	#This tag will only match Gen9 HP XL420 hardware:
	maas ${MAAS_PROFILE} tags create name=XL420G9 \
	comment="xpath tag to automatically identify Proliant XL420 Gen9 Servers" \
	definition='//node[@id="core" and @class="bus"]/product = "ProLiant XL420 Gen9"' \
	kernel_opts='net.ifnames=0 console=tty0 console=ttyS0'

	#This tag will only match Gen9 HP DL360 hardware:
	maas ${MAAS_PROFILE} tags create name=DL360G9 \
	comment="xpath tag to automatically identify Proliant DL360 Gen9 Servers" \
	definition='//node[@id="core" and @class="bus"]/product = "ProLiant DL360 Gen9"' \
	kernel_opts='net.ifnames=0 console=tty1 console=ttyS1'
	
	#Example how Tag boxes based on peripherals
	
	#Tag boxes with NVME cards:
	maas admin tags create name=NVME \
	comment="xpath tag for automatically tagging servers that have NVME controllers" \
	definition='//node[@id="storage" and @class="storage"]/description = "Non-Volatile memory controller"'

fi