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import os
import yaml
import re
def _all_hosts():
return filter(lambda fn: '.' in fn and not fn.startswith('.') and os.path.isdir(fn),os.listdir("."))
def _load_db():
rules = dict()
rules_file = "cosmos-rules.yaml";
if os.path.exists(rules_file):
with open(rules_file) as fd:
rules.update(yaml.load(fd))
all_hosts = _all_hosts()
members = dict()
for node_name in all_hosts:
for reg,cls in rules.iteritems():
if re.search(reg,node_name):
for cls_name in cls.keys():
h = members.get(cls_name,[])
h.append(node_name)
members[cls_name] = h
members['all'] = all_hosts
classes = dict()
for node_name in all_hosts:
node_classes = dict()
for reg,cls in rules.iteritems():
if re.search(reg,node_name):
node_classes.update(cls)
classes[node_name] = node_classes
# Sort member lists for a more easy to read diff
for cls in members.keys():
members[cls].sort()
return dict(classes=classes,members=members)
_db = None
def cosmos_db():
global _db
if _db is None:
_db = _load_db()
return _db
if __name__ == '__main__':
print yaml.dump(cosmos_db())
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