metalsmith/metalsmith/_format.py

103 lines
2.6 KiB
Python

# Copyright 2018 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import json
import sys
from metalsmith import _utils
def _print(msg, **kwargs):
print(msg % kwargs)
class NullFormat(object):
"""Formatting outputting nothing.
Used implicitly with --quiet.
"""
def deploy(self, instance):
pass
def undeploy(self, node):
pass
class DefaultFormat(object):
"""Human-readable formatter."""
def deploy(self, instance):
"""Output result of the deploy."""
self.show([instance])
def undeploy(self, node):
"""Output result of undeploy."""
if node.provision_state == 'available':
message = "Successfully unprovisioned node %(node)s"
else:
message = "Unprovisioning started for node %(node)s"
_print(message, node=_utils.log_res(node))
def show(self, instances):
for instance in instances:
_print("Node %(node)s, current state is %(state)s",
node=_utils.log_res(instance.node), state=instance.state)
if instance.is_deployed:
ips = instance.ip_addresses()
if ips:
ips = '; '.join('%s=%s' % (net, ','.join(ips))
for net, ips in ips.items())
_print('* IP addresses: %(ips)s', ips=ips)
class JsonFormat(object):
"""JSON formatter."""
def deploy(self, instance):
"""Output result of the deploy."""
json.dump(instance.to_dict(), sys.stdout)
def undeploy(self, node):
"""Output result of undeploy."""
result = {
'node': node.to_dict()
}
json.dump(result, sys.stdout)
def show(self, instances):
"""Output instance statuses."""
json.dump({instance.hostname: instance.to_dict()
for instance in instances}, sys.stdout)
FORMATS = {
'default': DefaultFormat(),
'json': JsonFormat()
}
"""Available formatters."""
DEFAULT_FORMAT = 'default'
"""Default formatter."""
NULL_FORMAT = NullFormat()
"""Formatter outputting nothing."""