def install_galaxy_roles(parsed_args, force=False):
"""Install Ansible Galaxy role dependencies.
Installs dependencies specified in kayobe, and if present, in kayobe
configuration.
:param parsed_args: Parsed command line arguments.
:param force: Whether to force reinstallation of roles.
"""
LOG.info("Installing galaxy role dependencies from kayobe")
requirements = utils.get_data_files_path("requirements.yml")
roles_destination = utils.get_data_files_path('ansible', 'roles')
utils.galaxy_install(requirements, roles_destination, force=force)
# Check for requirements in kayobe configuration.
kc_reqs_path = os.path.join(parsed_args.config_path, "ansible",
"requirements.yml")
if not utils.is_readable_file(kc_reqs_path)["result"]:
LOG.info("Not installing galaxy role dependencies from kayobe config "
"- requirements.yml not present")
return
LOG.info("Installing galaxy role dependencies from kayobe config")
# Ensure a roles directory exists in kayobe-config.
kc_roles_path = os.path.join(parsed_args.config_path, "ansible", "roles")
try:
os.makedirs(kc_roles_path)
except OSError as e:
if e.errno != errno.EEXIST:
raise exception.Error("Failed to create directory ansible/roles/ "
"in kayobe configuration at %s: %s" %
(parsed_args.config_path, str(e)))
# Install roles from kayobe-config.
utils.galaxy_install(kc_reqs_path, kc_roles_path, force=force)
def intersect_limits(args_limit, cli_limit):
"""Create an Ansible host pattern of the intersection of two patterns.
:param args_limit: user-specified limit, or None.
:param cli_limit: limit originating from this CLI, or None.
:returns: a string representing an intersection of the two patterns.
"""
# NOTE(mgoddard): Ansible uses either commas (,) or colons (:) to separate
# parts of a host pattern. An intersection is specified using a separator
# followed by an ampersand (&). If a mix of comma and colon separators is
# used, Ansible picks one and treats the other as part of the host pattern.
# This leads to hard to diagnose errors. Try to determine which separator
# the user has specified, and be consistent. Error if both are used.
if args_limit and ',' in args_limit:
if ':' in args_limit:
raise exception.Error("Invalid format for host limit argument. "
"Cannot mix commas and colons to separate "
"hosts")
separator = ',&'
else:
separator = ':&'
limits = [l for l in [args_limit, cli_limit] if l]
return separator.join(limits)