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leap_cli: error: source did not contain any JSON!

I recently rm'd a node, reset it in piston cloud and then added it again, and then did an init, then when I tried to do a deploy, I got this:

$ leap -v2 deploy chameleon seahorse                                                                                                                                                                                                                                                                                         ∞
 = read /home/micah/leap/demo/Leapfile
 = read /home/micah/.leaprc
 = leap command v1.2.1
 = leap platform v0.2.3 (develop f9ee40f2fca2396c1ef7d85a9c44b97fe834671a)
 = ran git submodule sync 2>&1
 = ran git submodule status 2>&1
Deploying to these nodes: chameleon, seahorse
Continue? yes
 = no change files/ssh/authorized_keys
 = no change files/ssh/known_hosts
 = skipping file_path("branding/favicon.ico") because there is no such file.
 = skipping file_path("branding/img") because there is no such file.
error: source did not contain any JSON!
/var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/object.rb:264:in `instance_eval': source did not contain any JSON! (JSON::ParserError)
	from /var/lib/gems/1.9.1/gems/json_pure-1.7.5/lib/json/common.rb:155:in `parse'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/manager.rb:26:in `facts'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/macros.rb:173:in `block in hosts_file'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/object_list.rb:75:in `block in each_node'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/object_list.rb:74:in `each'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/object_list.rb:74:in `each_node'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/macros.rb:168:in `hosts_file'
	from (eval):1:in `evaluate_now'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/object.rb:264:in `instance_eval'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/object.rb:264:in `evaluate_now'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/object.rb:224:in `block in late_evaluate_everything'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/object.rb:223:in `each'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/object.rb:223:in `late_evaluate_everything'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/object.rb:53:in `evaluate'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/object.rb:42:in `dump'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/manager.rb:103:in `block in export_nodes'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/object_list.rb:75:in `block in each_node'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/object_list.rb:74:in `each'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/object_list.rb:74:in `each_node'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/config/manager.rb:100:in `export_nodes'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/commands/compile.rb:31:in `compile_hiera_files'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/lib/leap_cli/commands/deploy.rb:38:in `block (2 levels) in '
	from /var/lib/gems/1.9.1/gems/gli-2.5.1/lib/gli/command_support.rb:136:in `call'
	from /var/lib/gems/1.9.1/gems/gli-2.5.1/lib/gli/command_support.rb:136:in `execute'
	from /var/lib/gems/1.9.1/gems/gli-2.5.1/lib/gli/app_support.rb:262:in `block in call_command'
	from /var/lib/gems/1.9.1/gems/gli-2.5.1/lib/gli/app_support.rb:275:in `call'
	from /var/lib/gems/1.9.1/gems/gli-2.5.1/lib/gli/app_support.rb:275:in `call_command'
	from /var/lib/gems/1.9.1/gems/gli-2.5.1/lib/gli/app_support.rb:69:in `run'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/bin/leap:79:in `'
	from /var/lib/gems/1.9.1/gems/leap_cli-1.2.1/bin/leap:34:in `'
	from /usr/local/bin/leap:23:in `load'
	from /usr/local/bin/leap:23:in `'

I did a leap facts update, and a leap compile and then things worked. Whichever one of those was necessary should maybe be detected and a warning given that you need to do that (or do it automatically)

(from redmine: created on 2013-09-05, closed on 2014-06-05)