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Diffstat (limited to 'cloudinit/sources/DataSourceVultr.py')
-rw-r--r-- | cloudinit/sources/DataSourceVultr.py | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/cloudinit/sources/DataSourceVultr.py b/cloudinit/sources/DataSourceVultr.py new file mode 100644 index 00000000..c08ff848 --- /dev/null +++ b/cloudinit/sources/DataSourceVultr.py @@ -0,0 +1,147 @@ +# 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 |