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Name	Size	Permission
add_esm_snapshot_auth.py	1.88 KB	-rw-r--r--
apt-esm-json-hook	50.32 KB	-rwxr-xr-x
apt_news.py	565 B	-rw-r--r--
auto_attach.py	3.68 KB	-rw-r--r--
cloud-id-shim.sh	500 B	-rwxr-xr-x
convert_list_to_deb822.py	2.37 KB	-rw-r--r--
daemon.py	2.49 KB	-rw-r--r--
esm_cache.py	491 B	-rwxr-xr-x
migrate_user_config.py	5.37 KB	-rw-r--r--
patch_status_json.py	2.47 KB	-rwxr-xr-x
postinst-migrations.sh	3.53 KB	-rwxr-xr-x
reboot_cmds.py	4.9 KB	-rw-r--r--
timer.py	5.98 KB	-rw-r--r--
upgrade_lts_contract.py	621 B	-rwxr-xr-x

Code Editor : auto_attach.py

#!/usr/bin/env python3

"""
Perform auto-attach operation

On Ubuntu Pro machines, we try to perform an auto-attach operation
on first boot. This happens through a systemd unit that executes
this script on every boot. However, if we detect
that cloud-init has user data related to ua, we don't run
auto-attach here, since cloud-init will drive this operation on
their side.
"""
import logging
import sys

from uaclient import exceptions, http, log, messages, system
from uaclient.api.exceptions import (
    AlreadyAttachedError,
    AutoAttachDisabledError,
    EntitlementsNotEnabledError,
)
from uaclient.api.u.pro.attach.auto.full_auto_attach.v1 import (
    FullAutoAttachOptions,
    full_auto_attach,
)
from uaclient.clouds.aws import AWSAutoAttachInstance
from uaclient.clouds.identity import cloud_instance_factory
from uaclient.config import UAConfig
from uaclient.daemon import AUTO_ATTACH_STATUS_MOTD_FILE, retry_auto_attach
from uaclient.files import state_files

LOG = logging.getLogger("ubuntupro.lib.auto_attach")

# All known cloud-config keys which provide ubuntu pro configuration directives
CLOUD_INIT_UA_KEYS = set(
    ["ubuntu-advantage", "ubuntu_advantage", "ubuntu_pro"]
)

try:
    import cloudinit.stages as ci_stages  # type: ignore
except ImportError:
    pass

def get_cloudinit_init_stage():
    if "cloudinit.stages" in sys.modules:
        return ci_stages.Init()

return None

def check_cloudinit_userdata_for_ua_info():
    init = get_cloudinit_init_stage()

# if init is None, this means we were not able to import the cloud-init
    # module.
    if init is None:
        return False

if init.cfg and CLOUD_INIT_UA_KEYS.intersection(init.cfg):
        return True

return False

def main(cfg: UAConfig):
    if check_cloudinit_userdata_for_ua_info():
        LOG.info("cloud-init userdata has ubuntu-advantage key.")
        LOG.info(
            "Skipping auto-attach and deferring to cloud-init "
            "to setup and configure auto-attach"
        )
        return

try:
        cloud = cloud_instance_factory()
    except exceptions.CloudFactoryError as e:
        LOG.debug("Error loading the cloud: %s", e)
    else:
        if isinstance(cloud, AWSAutoAttachInstance):
            if not cloud.is_likely_pro:
                LOG.info(
                    "Skipping auto-attach. Reason: No billingProduct nor"
                    " marketplaceProductCode on AWS."
                )
                return
            else:
                LOG.info("Auto-attaching: product code found on AWS.")

system.write_file(
        AUTO_ATTACH_STATUS_MOTD_FILE, messages.AUTO_ATTACH_RUNNING
    )
    try:
        full_auto_attach(FullAutoAttachOptions())
    except AlreadyAttachedError as e:
        LOG.info(e.msg)
    except AutoAttachDisabledError:
        LOG.debug("Skipping auto-attach. Config disable_auto_attach is set.")
    except EntitlementsNotEnabledError as e:
        LOG.warning(e.msg)
    except Exception as e:
        LOG.error(e)
        system.ensure_file_absent(AUTO_ATTACH_STATUS_MOTD_FILE)
        LOG.info("creating flag file to trigger retries")
        system.create_file(retry_auto_attach.FLAG_FILE_PATH)
        failure_reason = (
            retry_auto_attach.full_auto_attach_exception_to_failure_reason(e)
        )
        state_files.retry_auto_attach_state_file.write(
            state_files.RetryAutoAttachState(
                interval_index=0, failure_reason=failure_reason
            )
        )
        return 1

system.ensure_file_absent(AUTO_ATTACH_STATUS_MOTD_FILE)
    return 0

if __name__ == "__main__":
    log.setup_journald_logging()
    cfg = UAConfig()
    http.configure_web_proxy(cfg.http_proxy, cfg.https_proxy)
    sys.exit(main(cfg))

${this.title}

Code Editor : auto_attach.py