aspen-roller · January 6, 2021 01:22
diff --git a/query-node-version.sh b/query-node-version.sh
 # ensure JSON output with ANSIBLE_STDOUT_CALLBACK
 # remove all lines before the first '{'
 # remove all lines after the last '}'
 # use jq to query the stdout value from the command

 # ASSUMPTION
 # there is a group "services" that identifies machines with node.js installed

 ANSIBLE_STDOUT_CALLBACK=json ansible services -i inventories/dev -m command -a 'node --version' -v | sed '1,/^[^{]/d' | sed '/^}/q' | jq -r '.plays[].tasks[].hosts | keys[] as $k | "\($k): \(.[$k] | .stdout)"'
	# ensure JSON output with ANSIBLE_STDOUT_CALLBACK
	# remove all lines before the first '{'
	# remove all lines after the last '}'
	# use jq to query the stdout value from the command

	# ASSUMPTION
	# there is a group "services" that identifies machines with node.js installed

	ANSIBLE_STDOUT_CALLBACK=json ansible services -i inventories/dev -m command -a 'node --version' -v \| sed '1,/^[^{]/d' \| sed '/^}/q' \| jq -r '.plays[].tasks[].hosts \| keys[] as $k \| "\($k): \(.[$k] \| .stdout)"'