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Merge branch 'devel' of git://github.com/sjmudd/ansible into sjmudd_ranges

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This commit is contained in:
Michael DeHaan 2013-07-21 09:31:46 -04:00
commit 3baa55a314
1 changed files with 20 additions and 4 deletions
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24
lib/ansible/inventory/expand_hosts.py
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@ -70,12 +70,24 @@ def expand_hostname_range(line = None):
# nrange: [1:6]; range() is a built-in. Can't use the name
# tail: '-node'
(head, nrange, tail) = line.replace('[','|').replace(']','|').split('|')
# Add support for multiple ranges in a host so:
# db[01:10:3]node-[01:10]
# - to do this we split off at the first [...] set, getting the list
# of hosts and then repeat until none left.
# - also add an optional third parameter which contains the step. (Default: 1)
# so range can be [01:10:2] -> 01 03 05 07 09
# FIXME: make this work for alphabetic sequences too.
(head, nrange, tail) = line.replace('[','|',1).replace(']','|',1).split('|')
bounds = nrange.split(":")
if len(bounds) != 2:
if len(bounds) != 2 and len(bounds) != 3:
raise errors.AnsibleError("host range incorrectly specified")
beg = bounds[0]
end = bounds[1]
if len(bounds) == 2:
step = 1
else:
step = bounds[2]
if not beg:
beg = "0"
if not end:
@ -95,10 +107,14 @@ def expand_hostname_range(line = None):
raise errors.AnsibleError("host range format incorrectly specified!")
seq = string.ascii_letters[i_beg:i_end+1]
except ValueError: # not a alpha range
seq = range(int(beg), int(end)+1)
seq = range(int(beg), int(end)+1, int(step))
for rseq in seq:
hname = ''.join((head, fill(rseq), tail))
all_hosts.append(hname)
if detect_range(hname):
all_hosts.extend( expand_hostname_range( hname ) )
else:
all_hosts.append(hname)
return all_hosts