def _extractMetadataInfos(manifestRootElement):
manifestElements = manifestRootElement.findall('{http://www.w3.org/1999/02/22-rdf-syntax-ns#}RDF')
manifests = []
infos = []
for e in manifestElements:
manifest = ManifestInfo()
manifest.parseManifestFromXmlTree(e)
print manifest
if len(manifest.locations)>0:
info = {'md5': manifest.md5, 'os': manifest.os, 'os-version':manifest.osversion,'os-arch':manifest.arch, 'location':manifest.locations[0], 'creator':manifest.creator, 'valid':manifest.valid.replace("T"," "), 'description':manifest.comment, 'publisher':manifest.publisher, 'identifier':manifest.identifier}
#parse extra attributes
requires = getattr(e.find('.//{%s}requires' % NS_DCTERMS), 'text','')
if requires:
info['requires'] = requires
# now is assumed that if network and storage info is the same, so system
# is openstack else is opennebula, this is done only for demo in Technical Forum
# for future this info should be taked from LDAP info
if manifest.locations[0] == requires:
# if is a OpenStack machine identifier is not more used, because it doesn't publish it
# so we use to identify it from another possible machines running in site
# i use the template name https://site:port/template
pat = re.compile(r'http[s]{0,1}://[a-z].[a-z][a-z\.\-0-9]*:[0-9]+[a-z.0-9/\-]')
domain = re.findall(pat,manifest.locations[0])
info['identifier'] = manifest.locations[0].replace(domain[0],"").replace("/","")
info['cloud'] = "openstack"
else:
info['cloud'] = "opennebula"
infos.append(info)
return infos
def _extractManifestInfos(self, manifestRootElement):
manifestElements = manifestRootElement.findall('{http://www.w3.org/1999/02/22-rdf-syntax-ns#}RDF')
manifests = []
for e in manifestElements:
manifest = ManifestInfo()
manifest.parseManifestFromXmlTree(e)
manifests.append(manifest)
return manifests
def __getManifest(self, url):
errorMessage = 'Failed to find metadata entry: %s' % url
try:
manifest = self._download(url)
except urllib2.HTTPError:
raise InputException(errorMessage)
if manifest is not None:
manifestInfo = ManifestInfo(self.configHolder)
else:
raise InputException(errorMessage)
try:
manifestInfo.parseManifestFromXmlTree(manifest)
except ExecutionException, ex:
raise InputException('Error parsing the metadata corresponding to url %s, with detail %s' % (url, ex))
