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📁 ..
📄 __init__.py(0 B)
📄 __init__.pyc(141 B)
📄 __init__.pyo(141 B)
📁 analyze
📄 apport.py(4.04 KB)
📄 apport.pyc(4.36 KB)
📄 apport.pyo(4.36 KB)
📄 atomic_helper.py(1.32 KB)
📄 atomic_helper.pyc(1.52 KB)
📄 atomic_helper.pyo(1.52 KB)
📄 cloud.py(3.15 KB)
📄 cloud.pyc(3.95 KB)
📄 cloud.pyo(3.95 KB)
📁 cmd
📁 config
📄 cs_utils.py(3 KB)
📄 cs_utils.pyc(4.36 KB)
📄 cs_utils.pyo(4.36 KB)
📄 dhclient_hook.py(2.48 KB)
📄 dhclient_hook.pyc(3.21 KB)
📄 dhclient_hook.pyo(3.21 KB)
📁 distros
📄 ec2_utils.py(8.75 KB)
📄 ec2_utils.pyc(7.04 KB)
📄 ec2_utils.pyo(7.04 KB)
📄 event.py(450 B)
📄 event.pyc(507 B)
📄 event.pyo(507 B)
📁 filters
📄 gpg.py(3.31 KB)
📄 gpg.pyc(3.35 KB)
📄 gpg.pyo(3.35 KB)
📁 handlers
📄 helpers.py(14.72 KB)
📄 helpers.pyc(16.7 KB)
📄 helpers.pyo(16.7 KB)
📄 importer.py(1.38 KB)
📄 importer.pyc(1.12 KB)
📄 importer.pyo(1.12 KB)
📄 log.py(4.44 KB)
📄 log.pyc(3.85 KB)
📄 log.pyo(3.85 KB)
📁 mergers
📁 net
📄 netinfo.py(15.94 KB)
📄 netinfo.pyc(12.19 KB)
📄 netinfo.pyo(12.19 KB)
📄 patcher.py(1.23 KB)
📄 patcher.pyc(1.49 KB)
📄 patcher.pyo(1.49 KB)
📄 registry.py(1.01 KB)
📄 registry.pyc(1.76 KB)
📄 registry.pyo(1.76 KB)
📁 reporting
📄 safeyaml.py(1.19 KB)
📄 safeyaml.pyc(1.82 KB)
📄 safeyaml.pyo(1.82 KB)
📄 serial.py(1.19 KB)
📄 serial.pyc(1.81 KB)
📄 serial.pyo(1.81 KB)
📄 settings.py(1.93 KB)
📄 settings.pyc(1.43 KB)
📄 settings.pyo(1.43 KB)
📄 signal_handler.py(1.8 KB)
📄 signal_handler.pyc(2.29 KB)
📄 signal_handler.pyo(2.29 KB)
📄 simpletable.py(1.85 KB)
📄 simpletable.pyc(2.63 KB)
📄 simpletable.pyo(2.63 KB)
📁 sources
📄 ssh_util.py(12.5 KB)
📄 ssh_util.pyc(12.46 KB)
📄 ssh_util.pyo(12.46 KB)
📄 stages.py(36.91 KB)
📄 stages.pyc(28.99 KB)
📄 stages.pyo(28.99 KB)
📄 subp.py(1.96 KB)
📄 subp.pyc(1.78 KB)
📄 subp.pyo(1.78 KB)
📄 temp_utils.py(2.87 KB)
📄 temp_utils.pyc(3.12 KB)
📄 temp_utils.pyo(3.12 KB)
📄 templater.py(6.61 KB)
📄 templater.pyc(6.32 KB)
📄 templater.pyo(6.32 KB)
📄 type_utils.py(945 B)
📄 type_utils.pyc(729 B)
📄 type_utils.pyo(729 B)
📄 url_helper.py(21.87 KB)
📄 url_helper.pyc(20.33 KB)
📄 url_helper.pyo(20.33 KB)
📄 user_data.py(13.5 KB)
📄 user_data.pyc(10.07 KB)
📄 user_data.pyo(10.07 KB)
📄 util.py(89.02 KB)
📄 util.pyc(81.22 KB)
📄 util.pyo(81.22 KB)
📄 version.py(585 B)
📄 version.pyc(555 B)
📄 version.pyo(555 B)
📄 warnings.py(3.83 KB)
📄 warnings.pyc(3.91 KB)
📄 warnings.pyo(3.91 KB)

Editing: gpg.py

# Copyright (C) 2016 Canonical Ltd.
#
# Author: Scott Moser <scott.moser@canonical.com>
# Author: Christian Ehrhardt <christian.ehrhardt@canonical.com>
#
# This file is part of cloud-init. See LICENSE file for license information.

"""gpg.py - Collection of gpg key related functions"""

from cloudinit import log as logging
from cloudinit import util

import time

LOG = logging.getLogger(__name__)

def export_armour(key):
    """Export gpg key, armoured key gets returned"""
    try:
        (armour, _) = util.subp(["gpg", "--export", "--armour", key],
                                capture=True)
    except util.ProcessExecutionError as error:
        # debug, since it happens for any key not on the system initially
        LOG.debug('Failed to export armoured key "%s": %s', key, error)
        armour = None
    return armour

def recv_key(key, keyserver, retries=(1, 1)):
    """Receive gpg key from the specified keyserver.

Retries are done by default because keyservers can be unreliable.
    Additionally, there is no way to determine the difference between
    a non-existant key and a failure.  In both cases gpg (at least 2.2.4)
    exits with status 2 and stderr: "keyserver receive failed: No data"
    It is assumed that a key provided to cloud-init exists on the keyserver
    so re-trying makes better sense than failing.

@param key: a string key fingerprint (as passed to gpg --recv-keys).
    @param keyserver: the keyserver to request keys from.
    @param retries: an iterable of sleep lengths for retries.
                    Use None to indicate no retries."""
    LOG.debug("Importing key '%s' from keyserver '%s'", key, keyserver)
    cmd = ["gpg", "--keyserver=%s" % keyserver, "--recv-keys", key]
    if retries is None:
        retries = []
    trynum = 0
    error = None
    sleeps = iter(retries)
    while True:
        trynum += 1
        try:
            util.subp(cmd, capture=True)
            LOG.debug("Imported key '%s' from keyserver '%s' on try %d",
                      key, keyserver, trynum)
            return
        except util.ProcessExecutionError as e:
            error = e
        try:
            naplen = next(sleeps)
            LOG.debug(
                "Import failed with exit code %d, will try again in %ss",
                error.exit_code, naplen)
            time.sleep(naplen)
        except StopIteration:
            raise ValueError(
                ("Failed to import key '%s' from keyserver '%s' "
                 "after %d tries: %s") % (key, keyserver, trynum, error))

def delete_key(key):
    """Delete the specified key from the local gpg ring"""
    try:
        util.subp(["gpg", "--batch", "--yes", "--delete-keys", key],
                  capture=True)
    except util.ProcessExecutionError as error:
        LOG.warning('Failed delete key "%s": %s', key, error)

def getkeybyid(keyid, keyserver='keyserver.ubuntu.com'):
    """get gpg keyid from keyserver"""
    armour = export_armour(keyid)
    if not armour:
        try:
            recv_key(keyid, keyserver=keyserver)
            armour = export_armour(keyid)
        except ValueError:
            LOG.exception('Failed to obtain gpg key %s', keyid)
            raise
        finally:
            # delete just imported key to leave environment as it was before
            delete_key(keyid)

return armour

# vi: ts=4 expandtab

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Editing: gpg.py

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