def generate_scaling_params(overcloud_roles):
"""Given a dictionary containing a key value mapping of Overcloud Role name
to a count of the nodes return the scaling parameters to be used by
tripleo_heat_merge
:param overcloud_roles: Dictionary with role names and a count of the nodes
:type overcloud_roles: dict
:return: scaling parameters dict
:rtype: dict
"""
# Default values, merge.py needs also the 0 counts.
scaling_defaults = ['NovaCompute=0', 'SwiftStorage=0', 'BlockStorage=0']
scaling = merge.parse_scaling(scaling_defaults)
for overcloud_role, count in overcloud_roles.items():
overcloud_role = overcloud_role.lower()
if overcloud_role in ROLES:
scale_str = "%s=%s" % (
ROLES[overcloud_role]['template_param'], count)
scaling.update(merge.parse_scaling([scale_str]))
return scaling
def generate_scaling_params(overcloud_roles):
"""Given a dictionary containing a key value mapping of Overcloud Role name
to a count of the nodes return the scaling parameters to be used by
tripleo_heat_merge
:param overcloud_roles: Dictionary with role names and a count of the nodes
:type overcloud_roles: dict
:return: scaling parameters dict
:rtype: dict
"""
scaling = {}
for overcloud_role, count in overcloud_roles.items():
overcloud_role = overcloud_role.lower()
if overcloud_role == OVERCLOUD_COMPUTE_ROLE:
scaling = dict(scaling.items() + merge.parse_scaling(["NovaCompute=%s" % (count)]).items())
return scaling