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/
bareon-allocator
Code Issues Proposed changes

Initial implementation of strategies 

There should be a way to declaratively describe each space type
and strategy of its allocation.

Implements blueprint: dynamic-allocation

Change-Id: I66c2f0b90fb94b0496b5d341817688a042161318
This commit is contained in:
Evgeniy L 2016-04-06 17:21:46 +03:00
parent b1cef8c4a0
commit 5ed0f74a9c
1 changed files with 12 additions and 3 deletions
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15
bareon_allocator/parsers/dynamic_schema_parser.py
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@ -31,6 +31,12 @@ class DynamicSchemaParser(object):
self.rendered_spaces = []
self.disks = []
self.spaces = []
# TODO(eli): In the future should be moved into config.
self.strategies = {
'vg': {'strategy': 'container'},
'lv': {'strategy': 'elastic'},
'partitions': {'strategy': 'elastic'}
}
self.parse()
self.post_parse()
@ -42,9 +48,12 @@ class DynamicSchemaParser(object):
Disk(**disk)
for disk in self.raw_disks]
self.spaces = [
Space(**space)
for space in self.rendered_spaces if space['type'] != 'vg']
for s in self.rendered_spaces:
strategy = self.strategies.get(s['type'], {}).get('strategy')
if strategy == 'elastic':
self.spaces.append(Space(**s))
elif strategy is None:
LOG.warn('There is not strategy for space %s', s)
def post_parse(self):
# Add fake volume Unallocated, in order to be able