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# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import os.path
import shutil
import llnl.util.tty
import llnl.util.tty.color
import spack.cmd.common.arguments
import spack.config
import spack.main
import spack.util.path
description = "manage bootstrap configuration"
section = "system"
level = "long"
def _add_scope_option(parser):
scopes = spack.config.scopes()
scopes_metavar = spack.config.scopes_metavar
parser.add_argument(
'--scope', choices=scopes, metavar=scopes_metavar,
help="configuration scope to read/modify"
)
def setup_parser(subparser):
sp = subparser.add_subparsers(dest='subcommand')
enable = sp.add_parser('enable', help='enable bootstrapping')
_add_scope_option(enable)
disable = sp.add_parser('disable', help='disable bootstrapping')
_add_scope_option(disable)
reset = sp.add_parser(
'reset', help='reset bootstrapping configuration to Spack defaults'
)
spack.cmd.common.arguments.add_common_arguments(
reset, ['yes_to_all']
)
root = sp.add_parser(
'root', help='get/set the root bootstrap directory'
)
_add_scope_option(root)
root.add_argument(
'path', nargs='?', default=None,
help='set the bootstrap directory to this value'
)
list = sp.add_parser(
'list', help='list the methods available for bootstrapping'
)
_add_scope_option(list)
trust = sp.add_parser(
'trust', help='trust a bootstrapping method'
)
_add_scope_option(trust)
trust.add_argument(
'name', help='name of the method to be trusted'
)
untrust = sp.add_parser(
'untrust', help='untrust a bootstrapping method'
)
_add_scope_option(untrust)
untrust.add_argument(
'name', help='name of the method to be untrusted'
)
def _enable_or_disable(args):
# Set to True if we called "enable", otherwise set to false
value = args.subcommand == 'enable'
spack.config.set('bootstrap:enable', value, scope=args.scope)
def _reset(args):
if not args.yes_to_all:
msg = [
"Bootstrapping configuration is being reset to Spack's defaults. "
"Current configuration will be lost.\n",
"Do you want to continue?"
]
ok_to_continue = llnl.util.tty.get_yes_or_no(
''.join(msg), default=True
)
if not ok_to_continue:
raise RuntimeError('Aborting')
for scope in spack.config.config.file_scopes:
# The default scope should stay untouched
if scope.name == 'defaults':
continue
# If we are in an env scope we can't delete a file, but the best we
# can do is nullify the corresponding configuration
if (scope.name.startswith('env') and
spack.config.get('bootstrap', scope=scope.name)):
spack.config.set('bootstrap', {}, scope=scope.name)
continue
# If we are outside of an env scope delete the bootstrap.yaml file
bootstrap_yaml = os.path.join(scope.path, 'bootstrap.yaml')
backup_file = bootstrap_yaml + '.bkp'
if os.path.exists(bootstrap_yaml):
shutil.move(bootstrap_yaml, backup_file)
def _root(args):
if args.path:
spack.config.set('bootstrap:root', args.path, scope=args.scope)
root = spack.config.get('bootstrap:root', default=None, scope=args.scope)
if root:
root = spack.util.path.canonicalize_path(root)
print(root)
def _list(args):
sources = spack.config.get(
'bootstrap:sources', default=None, scope=args.scope
)
if not sources:
llnl.util.tty.msg(
"No method available for bootstrapping Spack's dependencies"
)
return
def _print_method(source, trusted):
color = llnl.util.tty.color
def fmt(header, content):
header_fmt = "@*b{{{0}:}} {1}"
color.cprint(header_fmt.format(header, content))
trust_str = "@*y{UNKNOWN}"
if trusted is True:
trust_str = "@*g{TRUSTED}"
elif trusted is False:
trust_str = "@*r{UNTRUSTED}"
fmt("Name", source['name'] + ' ' + trust_str)
print()
fmt(" Type", source['type'])
print()
info_lines = ['\n']
for key, value in source.get('info', {}).items():
info_lines.append(' ' * 4 + '@*{{{0}}}: {1}\n'.format(key, value))
if len(info_lines) > 1:
fmt(" Info", ''.join(info_lines))
description_lines = ['\n']
for line in source['description'].split('\n'):
description_lines.append(' ' * 4 + line + '\n')
fmt(" Description", ''.join(description_lines))
trusted = spack.config.get('bootstrap:trusted', {})
for s in sources:
_print_method(s, trusted.get(s['name'], None))
def _write_trust_state(args, value):
name = args.name
sources = spack.config.get('bootstrap:sources')
matches = [s for s in sources if s['name'] == name]
if not matches:
names = [s['name'] for s in sources]
msg = ('there is no bootstrapping method named "{0}". Valid '
'method names are: {1}'.format(name, ', '.join(names)))
raise RuntimeError(msg)
if len(matches) > 1:
msg = ('there is more than one bootstrapping method named "{0}". '
'Please delete all methods but one from bootstrap.yaml '
'before proceeding').format(name)
raise RuntimeError(msg)
# Setting the scope explicitly is needed to not copy over to a new scope
# the entire default configuration for bootstrap.yaml
scope = args.scope or spack.config.default_modify_scope('bootstrap')
spack.config.add(
'bootstrap:trusted:{0}:{1}'.format(name, str(value)), scope=scope
)
def _trust(args):
_write_trust_state(args, value=True)
msg = '"{0}" is now trusted for bootstrapping'
llnl.util.tty.msg(msg.format(args.name))
def _untrust(args):
_write_trust_state(args, value=False)
msg = '"{0}" is now untrusted and will not be used for bootstrapping'
llnl.util.tty.msg(msg.format(args.name))
def bootstrap(parser, args):
callbacks = {
'enable': _enable_or_disable,
'disable': _enable_or_disable,
'reset': _reset,
'root': _root,
'list': _list,
'trust': _trust,
'untrust': _untrust
}
callbacks[args.subcommand](args)
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