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# Author: Eric Benner <ebenner@vultr.com>
#
# This file is part of cloud-init. See LICENSE file for license information.
# Vultr Metadata API:
# https://www.vultr.com/metadata/
from cloudinit import log as log
from cloudinit import sources
from cloudinit import util
import cloudinit.sources.helpers.vultr as vultr
LOG = log.getLogger(__name__)
BUILTIN_DS_CONFIG = {
'url': 'http://169.254.169.254',
'retries': 30,
'timeout': 2,
'wait': 2
}
class DataSourceVultr(sources.DataSource):
dsname = 'Vultr'
def __init__(self, sys_cfg, distro, paths):
super(DataSourceVultr, self).__init__(sys_cfg, distro, paths)
self.ds_cfg = util.mergemanydict([
util.get_cfg_by_path(sys_cfg, ["datasource", "Vultr"], {}),
BUILTIN_DS_CONFIG])
# Initiate data and check if Vultr
def _get_data(self):
LOG.debug("Detecting if machine is a Vultr instance")
if not vultr.is_vultr():
LOG.debug("Machine is not a Vultr instance")
return False
LOG.debug("Machine is a Vultr instance")
# Fetch metadata
md = self.get_metadata()
self.metadata_full = md
self.metadata['instanceid'] = md['instanceid']
self.metadata['local-hostname'] = md['hostname']
self.metadata['public-keys'] = md["public-keys"]
self.userdata_raw = md["user-data"]
# Generate config and process data
self.get_datasource_data(md)
# Dump some data so diagnosing failures is manageable
LOG.debug("Vultr Vendor Config:")
LOG.debug(md['vendor-data']['config'])
LOG.debug("SUBID: %s", self.metadata['instanceid'])
LOG.debug("Hostname: %s", self.metadata['local-hostname'])
if self.userdata_raw is not None:
LOG.debug("User-Data:")
LOG.debug(self.userdata_raw)
return True
# Process metadata
def get_datasource_data(self, md):
# Grab config
config = md['vendor-data']['config']
# Generate network config
self.netcfg = vultr.generate_network_config(md['interfaces'])
# This requires info generated in the vendor config
user_scripts = vultr.generate_user_scripts(md, self.netcfg['config'])
# Default hostname is "guest" for whitelabel
if self.metadata['local-hostname'] == "":
self.metadata['local-hostname'] = "guest"
self.userdata_raw = md["user-data"]
if self.userdata_raw == "":
self.userdata_raw = None
# Assemble vendor-data
# This adds provided scripts and the config
self.vendordata_raw = []
self.vendordata_raw.extend(user_scripts)
self.vendordata_raw.append("#cloud-config\n%s" % config)
# Get the metadata by flag
def get_metadata(self):
return vultr.get_metadata(self.ds_cfg['url'],
self.ds_cfg['timeout'],
self.ds_cfg['retries'],
self.ds_cfg['wait'])
# Compare subid as instance id
def check_instance_id(self, sys_cfg):
if not vultr.is_vultr():
return False
# Baremetal has no way to implement this in local
if vultr.is_baremetal():
return False
subid = vultr.get_sysinfo()['subid']
return sources.instance_id_matches_system_uuid(subid)
# Currently unsupported
@property
def launch_index(self):
return None
@property
def network_config(self):
return self.netcfg
# Used to match classes to dependencies
datasources = [
(DataSourceVultr, (sources.DEP_FILESYSTEM, )),
]
# Return a list of data sources that match this set of dependencies
def get_datasource_list(depends):
return sources.list_from_depends(depends, datasources)
if __name__ == "__main__":
import sys
if not vultr.is_vultr():
print("Machine is not a Vultr instance")
sys.exit(1)
md = vultr.get_metadata(BUILTIN_DS_CONFIG['url'],
BUILTIN_DS_CONFIG['timeout'],
BUILTIN_DS_CONFIG['retries'],
BUILTIN_DS_CONFIG['wait'])
config = md['vendor-data']['config']
sysinfo = vultr.get_sysinfo()
print(util.json_dumps(sysinfo))
print(config)
# vi: ts=4 expandtab
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