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#
# Copyright (C) 2015-2016 Bigstep Cloud Ltd.
#
# Author: Alexandru Sirbu <alexandru.sirbu@bigstep.com>
#
import json
import errno
from cloudinit import log as logging
from cloudinit import sources
from cloudinit import util
from cloudinit import url_helper
LOG = logging.getLogger(__name__)
class DataSourceBigstep(sources.DataSource):
def __init__(self, sys_cfg, distro, paths):
sources.DataSource.__init__(self, sys_cfg, distro, paths)
self.metadata = {}
self.vendordata_raw = ""
self.userdata_raw = ""
def get_data(self, apply_filter=False):
try:
url = get_url_from_file()
except IOError as e:
if e.errno == errno.ENOENT:
return False
else:
raise
response = url_helper.readurl(url)
decoded = json.loads(response.contents)
self.metadata = decoded["metadata"]
self.vendordata_raw = decoded["vendordata_raw"]
self.userdata_raw = decoded["userdata_raw"]
return True
def get_url_from_file():
content = util.load_file("/var/lib/cloud/data/seed/bigstep/url")
return content
# Used to match classes to dependencies
datasources = [
(DataSourceBigstep, (sources.DEP_FILESYSTEM, sources.DEP_NETWORK)),
]
# Return a list of data sources that match this set of dependencies
def get_datasource_list(depends):
return sources.list_from_depends(depends, datasources)
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