Created
March 20, 2015 05:16
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Ansible lookup plugin for XML files
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from ansible import utils, errors | |
import os | |
import xml.etree.ElementTree as etree | |
class LookupModule(object): | |
def __init__(self, basedir=None, **kwargs): | |
self.basedir = basedir | |
def tostr(self, node): | |
if isinstance(node, etree._Element): | |
if len(node.getchildren()) == 0: | |
return node.text | |
return etree.tostring(node) | |
return str(node) | |
def read_xml(self, filename, dflt=None, xpath=None): | |
try: | |
xmlreader = etree.parse(filename) | |
nodes = xmlreader.findall(xpath) | |
values = [self.tostr(node) for node in nodes] | |
return values | |
except Exception, e: | |
raise errors.AnsibleError("xmlfile: %s" % str(e)) | |
return dflt | |
def run(self, terms, inject=None, **kwargs): | |
terms = utils.listify_lookup_plugin_terms(terms, self.basedir, inject) | |
if isinstance(terms, basestring): | |
terms = [ terms ] | |
ret = [] | |
for term in terms: | |
params = term.split() | |
key = params[0] | |
paramvals = { | |
'file' : 'ansible.xml', | |
'default' : None, | |
'xpath' : None, | |
} | |
# parameters specified? | |
try: | |
for param in params: | |
name, value = param.split('=') | |
assert(name in paramvals) | |
paramvals[name] = value | |
except (ValueError, AssertionError), e: | |
raise errors.AnsibleError(e) | |
path = utils.path_dwim(self.basedir, paramvals['file']) | |
var = self.read_xml(path, paramvals['default'], paramvals['xpath']) | |
if var is not None: | |
if type(var) is list: | |
for v in var: | |
ret.append(v) | |
else: | |
ret.append(var) | |
return ret |
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in case some one want to perform lookup using ansible-xml
reference - https://github.com/ansible/ansible/blob/devel/lib/ansible/modules/files/xml.py#L181