def provision_machine(manifest='crunch_01.pp'):
# Retrieve EC2 tags for this machine, and see if there is a manifest tag
# among them. If yes, that one has priority over what gets specified as
# a parameter to this function.
tags = get_tags_for_machine(env.host_string)
if 'manifest' in tags:
manifest = tags['manifest']
# Run the actual manifest for provisioning this node from the repo
run("sudo puppet apply /home/ami/AmI-Platform/provisioning/nodes/%s" % manifest)
def generate_services_file():
""" Given a crunch node, generate a settings_local.py file which
contains the list of services that should run on this machine. """
tags = get_tags_for_machine(env.host_string)
if not 'modules' in tags:
print("No modules are specified as EC2 tags for hostname %s" %
env.host_string)
return
modules = tags['modules'].split(',')
file_path = ('/home/ami/AmI-Platform/services.%s.txt' %
str(run('hostname -s')))
run('echo "" > %s' % file_path)
for module in modules:
run('echo "%s" >> %s' % (module, file_path))
