FM / sources

/snap/core18/2979/usr/lib/python3/dist-packages/cloudinit/sources/

/snap/core18/2979/usr/lib/python3/dist-packages/cloudinit/sources

Name	Size	Mode	Actions
azure/	-	0755	rm
helpers/	-	0755	rm
__pycache__/	-	0755	rm
DataSourceAliYun.py	2221	0644	edit dl rm
DataSourceAltCloud.py	8489	0644	edit dl rm
DataSourceAzure.py	70329	0644	edit dl rm
DataSourceBigstep.py	1964	0644	edit dl rm
DataSourceCloudSigma.py	4096	0644	edit dl rm
DataSourceCloudStack.py	10090	0644	edit dl rm
DataSourceConfigDrive.py	11275	0644	edit dl rm
DataSourceDigitalOcean.py	3904	0644	edit dl rm
DataSourceEc2.py	36670	0644	edit dl rm
DataSourceExoscale.py	9105	0644	edit dl rm
DataSourceGCE.py	12251	0644	edit dl rm
DataSourceHetzner.py	5537	0644	edit dl rm
DataSourceIBMCloud.py	14391	0644	edit dl rm
DataSourceLXD.py	17599	0644	edit dl rm
DataSourceMAAS.py	14735	0644	edit dl rm
DataSourceNoCloud.py	12676	0644	edit dl rm
DataSourceNone.py	1393	0644	edit dl rm
DataSourceNWCS.py	4768	0644	edit dl rm
DataSourceOpenNebula.py	16362	0644	edit dl rm
DataSourceOpenStack.py	10713	0644	edit dl rm
DataSourceOracle.py	15069	0644	edit dl rm
DataSourceOVF.py	10724	0644	edit dl rm
DataSourceRbxCloud.py	8021	0644	edit dl rm
DataSourceScaleway.py	9693	0644	edit dl rm
DataSourceSmartOS.py	34909	0644	edit dl rm
DataSourceUpCloud.py	5686	0644	edit dl rm
DataSourceVMware.py	33485	0644	edit dl rm
DataSourceVultr.py	4279	0644	edit dl rm
__init__.py	41771	0644	edit dl rm

Edit: /snap/core18/2979/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceUpCloud.py (5686B)

# Author: Antti Myyrä <antti.myyra@upcloud.com>
#
# This file is part of cloud-init. See LICENSE file for license information.

# UpCloud server metadata API:
# https://developers.upcloud.com/1.3/8-servers/#metadata-service

from cloudinit import log as logging
from cloudinit import net as cloudnet
from cloudinit import sources, util
from cloudinit.net.dhcp import NoDHCPLeaseError
from cloudinit.net.ephemeral import EphemeralDHCPv4
from cloudinit.sources.helpers import upcloud as uc_helper

LOG = logging.getLogger(__name__)

BUILTIN_DS_CONFIG = {"metadata_url": "http://169.254.169.254/metadata/v1.json"}

# Wait for a up to a minute, retrying the meta-data server
# every 2 seconds.
MD_RETRIES = 30
MD_TIMEOUT = 2
MD_WAIT_RETRY = 2

class DataSourceUpCloud(sources.DataSource):

dsname = "UpCloud"

# We'll perform DHCP setup only in init-local, see DataSourceUpCloudLocal
    perform_dhcp_setup = False

def __init__(self, sys_cfg, distro, paths):
        sources.DataSource.__init__(self, sys_cfg, distro, paths)
        self.distro = distro
        self.metadata = dict()
        self.ds_cfg = util.mergemanydict(
            [
                util.get_cfg_by_path(sys_cfg, ["datasource", "UpCloud"], {}),
                BUILTIN_DS_CONFIG,
            ]
        )
        self.metadata_address = self.ds_cfg["metadata_url"]
        self.retries = self.ds_cfg.get("retries", MD_RETRIES)
        self.timeout = self.ds_cfg.get("timeout", MD_TIMEOUT)
        self.wait_retry = self.ds_cfg.get("wait_retry", MD_WAIT_RETRY)
        self._network_config = None

def _get_sysinfo(self):
        return uc_helper.read_sysinfo()

def _read_metadata(self):
        return uc_helper.read_metadata(
            self.metadata_address,
            timeout=self.timeout,
            sec_between=self.wait_retry,
            retries=self.retries,
        )

def _get_data(self):
        (is_upcloud, server_uuid) = self._get_sysinfo()

# only proceed if we know we are on UpCloud
        if not is_upcloud:
            return False

LOG.info("Running on UpCloud. server_uuid=%s", server_uuid)

if self.perform_dhcp_setup:  # Setup networking in init-local stage.
            try:
                LOG.debug("Finding a fallback NIC")
                nic = cloudnet.find_fallback_nic()
                LOG.debug("Discovering metadata via DHCP interface %s", nic)
                with EphemeralDHCPv4(
                    nic, tmp_dir=self.distro.get_tmp_exec_path()
                ):
                    md = util.log_time(
                        logfunc=LOG.debug,
                        msg="Reading from metadata service",
                        func=self._read_metadata,
                    )
            except (NoDHCPLeaseError, sources.InvalidMetaDataException) as e:
                util.logexc(LOG, str(e))
                return False
        else:
            try:
                LOG.debug(
                    "Discovering metadata without DHCP-configured networking"
                )
                md = util.log_time(
                    logfunc=LOG.debug,
                    msg="Reading from metadata service",
                    func=self._read_metadata,
                )
            except sources.InvalidMetaDataException as e:
                util.logexc(LOG, str(e))
                LOG.info(
                    "No DHCP-enabled interfaces available, "
                    "unable to fetch metadata for %s",
                    server_uuid,
                )
                return False

self.metadata_full = md
        self.metadata["instance-id"] = md.get("instance_id", server_uuid)
        self.metadata["local-hostname"] = md.get("hostname")
        self.metadata["network"] = md.get("network")
        self.metadata["public-keys"] = md.get("public_keys")
        self.metadata["availability_zone"] = md.get("region", "default")
        self.vendordata_raw = md.get("vendor_data", None)
        self.userdata_raw = md.get("user_data", None)

return True

def check_instance_id(self, sys_cfg):
        return sources.instance_id_matches_system_uuid(self.get_instance_id())

@property
    def network_config(self):
        """
        Configure the networking. This needs to be done each boot,
        since the IP and interface information might have changed
        due to reconfiguration.
        """

if self._network_config:
            return self._network_config

raw_network_config = self.metadata.get("network")
        if not raw_network_config:
            raise Exception("Unable to get network meta-data from server....")

self._network_config = uc_helper.convert_network_config(
            raw_network_config,
        )

return self._network_config

class DataSourceUpCloudLocal(DataSourceUpCloud):
    """
    Run in init-local using a DHCP discovery prior to metadata crawl.

In init-local, no network is available. This subclass sets up minimal
    networking with dhclient on a viable nic so that it can talk to the
    metadata service. If the metadata service provides network configuration
    then render the network configuration for that instance based on metadata.
    """

perform_dhcp_setup = True  # Get metadata network config if present

# Used to match classes to dependencies
datasources = [
    (DataSourceUpCloudLocal, (sources.DEP_FILESYSTEM,)),
    (DataSourceUpCloud, (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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