def test_download(self, tmpdir):
'''!
Test the download method with destination specified in constructor
'''
url = URL('http://localhost://2000/foo.txt')
assert (url != None)
result = url.download()
assert (result == (20, None))
d = tmpdir.mkdir("valid")
fh = d.join("input.json")
content = 'Hello the world test_download!'
fh.write(content)
url = URL('file://' + str(fh), self.__filename('test.txt'))
(rc, fname) = url.download()
assert (rc == 0)
assert (fname == self.__filename('test.txt'))
assert (self.__read_file(fname) == content)
def test_download4(self, tmpdir):
'''!
Test the download method with destination not specified in url_data and optional destination specified
'''
dt = tmpdir.mkdir("valid")
fh = dt.join("input.txt")
content = 'Hello the world test_download4!'
fh.write(content)
dl = [('source', 'file://' + str(fh))]
d = dict(dl)
url = URL(d, self.__filename('test.txt'))
(rc, fname) = url.download()
assert (rc == 0)
assert (fname == self.__filename('test.txt'))
assert (self.__read_file(fname) == content)
def __init__(self, json_src_file=None, json_dst_file=None):
'''!
Constructor for ZTPJson class.
As part of the object instantiation, ZTP JSON file is read and split into individual configuration sections.
The contents of ZTP JSON are saved as a dictionary to be used. Missing objects are added assuming default values. A list of
configuration sections defined in the ZTP JSON is collected.
@param json_src_file (str, optional) Configuration section input.json file to be prcoessed. If not specified,
/etc/sonic/ztp_data.json file is used.
@param json_dst_file (str, optional) Destination file to which processed JSON data is saved to. If not specified,
json_src_file is used as destination file.
@exception Raise ValueError if any error or exception encountered while processing the json_src_file
'''
# Call base class constructor
ConfigSection.__init__(self, json_src_file, json_dst_file)
# Raise exception if top level ztp section is not found
self.ztpDict = self.jsonDict.get('ztp')
if self.ztpDict is None or isinstance(self.ztpDict, dict) is False:
raise ValueError('ztp section not found in JSON data')
# Read ZTP JSON version
if self.ztpDict.get('ztp-json-version') is None:
self.ztpDict['ztp-json-version'] = getCfg('ztp-json-version',
'Not Available')
# Check for presence of url or dynamic-url and download the actual json content
reloadZTPJson = False
try:
if self.ztpDict.get('dynamic-url'):
dyn_url_data = self.ztpDict.get('dynamic-url')
if isinstance(dyn_url_data, dict):
dyn_url_data['destination'] = self.json_dst_file
objDynamicURL = DynamicURL(dyn_url_data, self.json_dst_file)
rc, filename = objDynamicURL.download()
if rc == 0:
reloadZTPJson = True
else:
raise ValueError(
'url section provided in ztp section could not be resolved'
)
elif self.ztpDict.get('url'):
url_data = self.ztpDict.get('url')
if isinstance(url_data, dict):
url_data['destination'] = self.json_dst_file
objURL = URL(url_data, self.json_dst_file)
rc, filename = objURL.download()
if rc == 0:
reloadZTPJson = True
else:
raise ValueError(
'dynamic-url section provided in ztp section could not be resolved'
)
except:
raise ValueError(
'url/dynamic-url sections provided in ztp section could not be interpreted'
)
if reloadZTPJson is True and os.path.isfile(self.json_dst_file):
ConfigSection.__init__(self, self.json_dst_file,
self.json_dst_file)
self.ztpDict = self.jsonDict.get('ztp')
if self.ztpDict is None or isinstance(self.ztpDict, dict) is False:
raise ValueError('ztp section not found in JSON data')
# Read ZTP JSON version
if self.ztpDict.get('ztp-json-version') is None:
self.ztpDict['ztp-json-version'] = getCfg(
'ztp-json-version', 'Not Available')
# Insert default values
self.__buildDefaults()
# Cleanup previous ZTP run files
if self.ztpDict['status'] == 'BOOT':
self.__cleanup()
# Identify valid configuration sections
self.section_names = sorted(self.ztpDict.keys())
for k, v in self.ztpDict.items():
# Remove leaf objects as they are not configuration sections
if isinstance(v, dict) is False:
self.section_names.remove(k)
continue
# Insert default values in configuration sections
self._ConfigSection__buildDefaults(v)
# Split confguration sections to individual files
self.__writeConfigSections(k, v)
# Write ZTP JSON data to file
self.objJson.writeJson()
# Update the shadow ZTP JSON file with new information
self.__writeShadowJSON()
def plugin(self, section_name):
'''!
Resolve the plugin used to process a configuration section. If the plugin is specified
as a url object, the plugin is downloaded.
@param section_name (str) Configuration section name whose plugin needs to be resolved.
@return
If plugin is resolved using configuration section data: \n
Expanded file path to plugin file used to process configuration section. \n
If plugin is not found or error encountered: \n
None
'''
if isString(section_name) is False:
raise TypeError('Invalid argument used as section name')
elif self.ztpDict.get(section_name) is None:
logger.error('Configuration Section %s not found.' % section_name)
return None
plugin_data = self.ztpDict.get(section_name).get('plugin')
name = None
if plugin_data is not None and isinstance(plugin_data, dict):
logger.debug(
'User defined plugin detected for configuration section %s.' %
section_name)
plugin_file = getCfg(
'ztp-tmp-persistent') + '/' + section_name + '/' + 'plugin'
try:
# Re-use the plugin if already present
if os.path.isfile(plugin_file) is True:
return plugin_file
if plugin_data.get('dynamic-url'):
dyn_url_data = plugin_data.get('dynamic-url')
if isinstance(dyn_url_data, dict) and dyn_url_data.get(
'destination') is not None:
objDynUrl = DynamicURL(dyn_url_data)
else:
objDynUrl = DynamicURL(dyn_url_data, plugin_file)
rc, plugin_file = objDynUrl.download()
return plugin_file
elif plugin_data.get('url'):
url_data = plugin_data.get('url')
if isinstance(
url_data,
dict) and url_data.get('destination') is not None:
objUrl = URL(url_data)
else:
objUrl = URL(url_data, plugin_file)
updateActivity(
'Downloading plugin \'%s\' for configuration section %s'
% (objUrl.getSource(), section_name))
rc, plugin_file = objUrl.download()
if rc != 0:
logger.error(
'Failed to download plugin \'%s\' for configuration section %s.'
% (objUrl.getSource(), section_name))
return plugin_file
elif plugin_data.get('name') is not None:
name = plugin_data.get('name')
except (TypeError, ValueError, OSError, IOError) as e:
logger.error(
'Exception [%s] encountered while determining plugin for configuration section %s.'
% (str(e), section_name))
return None
elif plugin_data is not None and isString(plugin_data):
name = plugin_data
elif plugin_data is not None:
logger.error(
'Invalid plugin data type used for configuration section %s.' %
section_name)
return None
# plugin name is not provided in section data, use section name as plugin name
if name is None:
res = re.split("^[0-9]+-", section_name, maxsplit=1)
if len(res) > 1:
name = res[1]
else:
name = res[0]
logger.debug(
'ZTP provided plugin %s is being used for configuration section %s.'
% (name, section_name))
if os.path.isfile(getCfg('plugins-dir') + '/' + name) is True:
return getCfg('plugins-dir') + '/' + name
return None