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