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# -*- coding: utf-8 -*-
from __future__ import print_function, division, absolute_import
#
# Copyright (c) 2018 Red Hat, Inc.
#
# This software is licensed to you under the GNU General Public License,
# version 2 (GPLv2). There is NO WARRANTY for this software, express or
# implied, including the implied warranties of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
# along with this software; if not, see
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
#
# Red Hat trademarks are not licensed under GPLv2. No permission is
# granted to use or replicate Red Hat trademarks that are incorporated
# in this software or its documentation.
import argparse
import os
import sys
import six
from syspurpose.files import SyncedStore
from syspurpose.utils import in_container, make_utf8
from syspurpose.i18n import ugettext as _
import json
SP_CONFLICT_MESSAGE = _("Warning: A {attr} of \"{download_value}\" was recently set for this system "
"by the entitlement server administrator.\n{advice}")
SP_ADVICE = _("If you'd like to overwrite the server side change please run: {command}")
def add_command(args, syspurposestore):
"""
Uses the syspurposestore to add one or more values to a particular property.
:param args: The parsed args from argparse, expected attributes are:
prop_name: the string name of the property to add to
values: A list of the values to add to the given property (could be anything json-serializable)
:param syspurposestore: An SyspurposeStore object to manipulate
:return: None
"""
any_prop_added = False
for value in args.values:
if syspurposestore.add(args.prop_name, value):
any_prop_added = True
print(_("Added \"{value}\" to {prop_name}.").format(
value=make_utf8(value), prop_name=make_utf8(args.prop_name)))
else:
print(_("Not adding value \"{value}\" to {prop_name}; it already exists.").format(
value=make_utf8(value), prop_name=make_utf8(args.prop_name)))
if any_prop_added is False:
return
success_msg = _("{attr} updated.").format(attr=make_utf8(args.prop_name))
to_add = "".join(args.values)
command = "syspurpose add-{name} ".format(name=args.prop_name) + to_add
check_result(
syspurposestore,
expectation=lambda res: all(x in res.get(args.prop_name, []) for x in args.values),
success_msg=success_msg,
command=command,
attr=args.prop_name
)
def remove_command(args, syspurposestore):
"""
Uses the syspurposestore to remove one or more values from a particular property.
:param args: The parsed args from argparse, expected attributes are:
prop_name: the string name of the property to add to
values: A list of the values to remove from the given property (could be anything json-serializable)
:param syspurposestore: An SyspurposeStore object to manipulate
:return: None
"""
for value in args.values:
if syspurposestore.remove(args.prop_name, value):
print(_("Removed \"{val}\" from {name}.").format(val=make_utf8(value), name=make_utf8(args.prop_name)))
else:
print(_("Not removing value \"{val}\" from {name}; it was not there.").format(
val=make_utf8(value), name=make_utf8(args.prop_name)))
return
success_msg = _("{attr} updated.").format(attr=make_utf8(args.prop_name))
to_remove = "".join(args.values)
command = "syspurpose remove-{name} ".format(name=args.prop_name) + to_remove
check_result(
syspurposestore,
expectation=lambda res: all(x not in res.get('addons', []) for x in args.values),
success_msg=success_msg,
command=command,
attr=args.prop_name
)
def set_command(args, syspurposestore):
"""
Uses the syspurposestore to set the prop_name to value.
:param args: The parsed args from argparse, expected attributes are:
prop_name: the string name of the property to set
value: An object to set the property to (could be anything json-serializable)
:param syspurposestore: An SyspurposeStore object to manipulate
:return: None
"""
syspurposestore.set(args.prop_name, args.value)
success_msg = _("{attr} set to \"{val}\".").format(attr=make_utf8(args.prop_name), val=make_utf8(args.value))
check_result(
syspurposestore,
expectation=lambda res: res.get(args.prop_name) == args.value,
success_msg=success_msg,
command="syspurpose set {name} \"{val}\"".format(
name=args.prop_name, val=args.value),
attr=args.prop_name
)
def unset_command(args, syspurposestore):
"""
Uses the syspurposestore to unset (clear entirely) the prop_name.
:param args: The parsed args from argparse, expected attributes are:
prop_name: the string name of the property to unset (clear)
:param syspurposestore: An SyspurposeStore object to manipulate
:return: None
"""
syspurposestore.unset(args.prop_name)
success_msg = _("{attr} unset.").format(attr=make_utf8(args.prop_name))
check_result(
syspurposestore,
expectation=lambda res: res.get(args.prop_name) in ["", None, []],
success_msg=success_msg,
command="syspurpose unset {name}".format(name=args.prop_name),
attr=args.prop_name
)
def show_contents(args, syspurposestore):
"""
:param args:
:param syspurposestore:
:return:
"""
sync_result = syspurposestore.sync()
contents = sync_result.result
contents = {key: contents[key] for key in contents if contents[key]}
print(json.dumps(contents, indent=2, ensure_ascii=False, sort_keys=True))
return sync_result
def setup_arg_parser():
"""
Sets up argument parsing for the syspurpose tool.
:return: An argparse.ArgumentParser ready to use to parse_args
"""
parser = argparse.ArgumentParser(prog="syspurpose", description=_("System Syspurpose Management Tool"),
epilog=_("The 'syspurpose' command is deprecated and will be removed in a future major release."
" Please use the 'subscription-manager syspurpose' command going forward."))
subparsers = parser.add_subparsers(help="sub-command help")
# Arguments shared by subcommands
add_options = argparse.ArgumentParser(add_help=False)
add_options.add_argument("values", help=_("The value(s) to add"), nargs='+')
add_options.set_defaults(func=add_command, requires_sync=True)
remove_options = argparse.ArgumentParser(add_help=False)
remove_options.add_argument("values", help=_("The value(s) to remove"), nargs='+')
remove_options.set_defaults(func=remove_command, requires_sync=True)
set_options = argparse.ArgumentParser(add_help=False)
set_options.add_argument("value", help=_("The value to set"), action="store")
set_options.set_defaults(func=set_command, requires_sync=True)
unset_options = argparse.ArgumentParser(add_help=False)
unset_options.set_defaults(func=unset_command, requires_sync=True)
# Generic assignments
# Set ################
generic_set_parser = subparsers.add_parser(
"set",
help=_("Sets the value for the given property")
)
generic_set_parser.add_argument(
"prop_name",
metavar="property",
help=_("The name of the property to set/update"),
action="store"
)
generic_set_parser.add_argument(
"value",
help=_("The value to set"),
action="store"
)
generic_set_parser.set_defaults(func=set_command, requires_sync=True)
# Unset ##############
generic_unset_parser = subparsers.add_parser(
"unset",
help=_("Unsets (clears) the value for the given property"),
parents=[unset_options]
)
generic_unset_parser.add_argument(
"prop_name",
metavar="property",
help=_("The name of the property to set/update"),
action="store"
)
# Add ################
generic_add_parser = subparsers.add_parser(
"add",
help=_("Adds the value(s) to the given property")
)
generic_add_parser.add_argument(
"prop_name",
metavar="property",
help=_("The name of the property to update"),
action="store"
)
generic_add_parser.add_argument(
"values",
help=_("The value(s) to add"),
action="store",
nargs="+"
)
generic_add_parser.set_defaults(func=add_command, requires_sync=True)
# Remove #############
generic_remove_parser = subparsers.add_parser(
"remove",
help=_("Removes the value(s) from the given property")
)
generic_remove_parser.add_argument(
"prop_name",
metavar="property",
help=_("The name of the property to update"),
action="store"
)
generic_remove_parser.add_argument(
"values",
help=_("The value(s) to remove"),
action="store",
nargs="+"
)
generic_remove_parser.set_defaults(func=remove_command, requires_sync=True)
# Targeted commands
# Roles ##########
set_role_parser = subparsers.add_parser(
"set-role",
help=_("Set the system role to the system syspurpose"),
parents=[set_options]
)
# TODO: Set prop_name from schema file
set_role_parser.set_defaults(prop_name="role")
unset_role_parser = subparsers.add_parser(
"unset-role",
help=_("Clear set role"),
parents=[unset_options]
)
unset_role_parser.set_defaults(prop_name="role")
# ADDONS #############
add_addons_parser = subparsers.add_parser(
"add-addons",
help=_("Add addons to the system syspurpose"),
parents=[add_options]
)
# TODO: Set prop_name from schema file
add_addons_parser.set_defaults(prop_name="addons")
remove_addons_parser = subparsers.add_parser(
"remove-addons",
help=_("Remove addons from the system syspurpose"),
parents=[remove_options]
)
remove_addons_parser.set_defaults(prop_name="addons")
unset_role_parser = subparsers.add_parser(
"unset-addons",
help=_("Clear set addons"),
parents=[unset_options]
)
unset_role_parser.set_defaults(prop_name="addons")
# SLA ################
set_sla_parser = subparsers.add_parser(
"set-sla",
help=_("Set the system sla"),
parents=[set_options]
)
set_sla_parser.set_defaults(prop_name="service_level_agreement")
unset_sla_parser = subparsers.add_parser(
"unset-sla",
help=_("Clear set sla"),
parents=[unset_options]
)
unset_sla_parser.set_defaults(prop_name="service_level_agreement")
# USAGE ##############
set_usage_parser = subparsers.add_parser(
"set-usage",
help=_("Set the system usage"),
parents=[set_options]
)
set_usage_parser.set_defaults(prop_name="usage")
unset_usage_parser = subparsers.add_parser(
"unset-usage",
help=_("Clear set usage"),
parents=[unset_options]
)
unset_usage_parser.set_defaults(prop_name="usage")
# Pretty Print Json contents of default syspurpose file
show_parser = subparsers.add_parser(
"show",
help=_("Show the current system syspurpose")
)
show_parser.set_defaults(func=show_contents, requires_sync=False)
return parser
def main():
"""
Run the cli (Do the syspurpose tool thing!!)
:return: 0
"""
parser = setup_arg_parser()
args = parser.parse_args()
# Syspurpose is not intended to be used in containers for the time being (could change later).
if in_container():
print(_("WARNING: Setting syspurpose in containers has no effect.\n"
"Please run syspurpose on the host.\n"))
print(_("The 'syspurpose' command is deprecated and will be removed in a future major release."
" Please use the 'subscription-manager syspurpose' command going forward."), file=sys.stderr)
try:
from subscription_manager.identity import Identity
from subscription_manager.cp_provider import CPProvider
identity = Identity()
uuid = identity.uuid
uep = CPProvider().get_consumer_auth_cp()
except ImportError:
uuid = None
uep = None
print(_("Warning: Unable to sync system purpose with subscription management server:"
" subscription_manager module is not available."))
syspurposestore = SyncedStore(uep=uep, consumer_uuid=uuid, use_valid_fields=True)
if getattr(args, 'func', None) is not None:
args.func(args, syspurposestore)
else:
parser.print_help()
return 0
return 0
def system_exit(code, msgs=None):
"""
Exit with a code and optional message(s). Saved a few lines of code.
Note: this method was copied from subscription_manager, because syspurpose should be independent
on subscription_manager module as much as possible.
"""
if msgs:
if type(msgs) not in [type([]), type(())]:
msgs = (msgs, )
for msg in msgs:
if isinstance(msg, Exception):
msg = "%s" % msg
if isinstance(msg, six.text_type) and six.PY2:
sys.stderr.write(msg.encode("utf8"))
sys.stderr.write("\n")
else:
sys.stderr.write(msg)
sys.stderr.write("\n")
try:
sys.stdout.flush()
sys.stderr.flush()
except IOError:
pass
sys.exit(code)
def check_result(syspurposestore, expectation, success_msg, command, attr):
if syspurposestore:
syspurposestore.sync()
result = syspurposestore.get_cached_contents()
else:
result = {}
if result and not expectation(result):
advice = SP_ADVICE.format(command=command)
value = result[attr]
system_exit(
os.EX_SOFTWARE,
msgs=_(SP_CONFLICT_MESSAGE.format(
attr=attr,
download_value=value,
advice=advice
))
)
else:
print(success_msg)