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  • Committer: Scott Moser
  • Date: 2015-10-15 00:27:07 UTC
  • mfrom: (1147.2.1 cloud-init)
  • Revision ID: smoser@ubuntu.com-20151015002707-lplv0v7qzzga9li1
azure: support extracting SSH key values from ovf-env.xml

Azure has or will be offering shortly the ability to directly define the SSH
key value instead of a fingerprint in the ovf-env.xml file. This patch
favors defined SSH keys over the fingerprint method (LP: #1506244).

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Lines of Context:
cloudinit/sources/DataSourceAzure.py
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            wait_for = [shcfgxml]
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            fp_files = []
 
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            key_value = None
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            for pk in self.cfg.get('_pubkeys', []):
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                bname = str(pk['fingerprint'] + ".crt")
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                fp_files += [os.path.join(ddir, bname)]
 
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                if pk.get('value', None):
 
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                    key_value = pk['value']
 
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                    LOG.debug("ssh authentication: using value from fabric")
 
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                else:
 
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                    bname = str(pk['fingerprint'] + ".crt")
 
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                    fp_files += [os.path.join(ddir, bname)]
 
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                    LOG.debug("ssh authentication: using fingerprint from fabirc")
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            missing = util.log_time(logfunc=LOG.debug, msg="waiting for files",
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                                    func=wait_for_files,
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                metadata['instance-id'] = iid_from_shared_config(shcfgxml)
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            except ValueError as e:
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                LOG.warn("failed to get instance id in %s: %s", shcfgxml, e)
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        metadata['public-keys'] = pubkeys_from_crt_files(fp_files)
 
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        metadata['public-keys'] = key_value or pubkeys_from_crt_files(fp_files)
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        return metadata
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    def get_data(self):
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    for pk_node in pubkeys:
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        if not pk_node.hasChildNodes():
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            continue
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        cur = {'fingerprint': "", 'path': ""}
 
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        cur = {'fingerprint': "", 'path': "", 'value': ""}
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        for child in pk_node.childNodes:
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            if child.nodeType == text_node or not child.localName:
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                continue