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playbook: permit the serial attribute to be a pecentage string as well as well as a straight integer

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Howard Oettle 2013-11-27 10:59:12 +00:00 committed by Michael DeHaan
parent a2537cfe49
commit cbf0bd6baf
2 changed files with 16 additions and 3 deletions
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17
lib/ansible/playbook/__init__.py
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@ -637,14 +637,27 @@ class PlayBook(object):
play.update_vars_files(all_hosts, vault_password=self.vault_password)
hosts_count = len(all_hosts)
if play.serial.endswith("%"):
# This is a percentage, so calculate it based on the
# number of hosts
serial_pct = int(play.serial.replace("%",""))
serial = int((serial_pct)/100.0 * len(all_hosts))
# Ensure that no matter how small the percentage, serial
# can never fall below 1, so that things actually happen
serial = max(serial, 1)
else:
serial = int(play.serial)
serialized_batch = []
if play.serial <= 0:
if serial <= 0:
serialized_batch = [all_hosts]
else:
# do N forks all the way through before moving to next
while len(all_hosts) > 0:
play_hosts = []
for x in range(play.serial):
for x in range(serial):
if len(all_hosts) > 0:
play_hosts.append(all_hosts.pop())
serialized_batch.append(play_hosts)

2
lib/ansible/playbook/play.py
View file

@ -113,7 +113,7 @@ class Play(object):
raise errors.AnsibleError('hosts declaration is required')
elif isinstance(hosts, list):
hosts = ';'.join(hosts)
self.serial = int(ds.get('serial', 0))
self.serial = str(ds.get('serial', 0))
self.hosts = hosts
self.name = ds.get('name', self.hosts)
self._tasks = ds.get('tasks', [])