Merge "Creation of DNS Dig tool"
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commit
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"""
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Copyright 2016 Rackspace
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import re
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from dns import resolver
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def dig(url, dig_type=None):
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"""
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Use dns.resolver to query the provided url and return the target from the
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answer. Resolver will raise an exception if no Answer is returned from the
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query.
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"""
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for rdata in resolver.query(url, dig_type):
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return rdata.target
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def dig_search(url, search_string=None):
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"""
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Recursively digs URL's until one with the specified search string is
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found. Otherwise return None.
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"""
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url = str(url)
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if re.search(search_string, url):
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# Found search string in url, return it
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return url
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elif not url:
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return
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else:
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# Dig on the url
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url = dig(url, dig_type="cname")
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return dig_search(url, search_string)
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@ -2,3 +2,4 @@ IPy
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netaddr
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netaddr
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XenAPI
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XenAPI
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dateutils
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dateutils
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dnspython
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