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Diffstat (limited to 'bin/cloud-init2.py')
| -rwxr-xr-x | bin/cloud-init2.py | 421 |
1 files changed, 0 insertions, 421 deletions
diff --git a/bin/cloud-init2.py b/bin/cloud-init2.py deleted file mode 100755 index 135e4114..00000000 --- a/bin/cloud-init2.py +++ /dev/null @@ -1,421 +0,0 @@ -#!/usr/bin/python -# vi: ts=4 expandtab -# -# Copyright (C) 2012 Canonical Ltd. -# Copyright (C) 2012 Hewlett-Packard Development Company, L.P. -# Copyright (C) 2012 Yahoo! Inc. -# -# Author: Scott Moser <scott.moser@canonical.com> -# Author: Juerg Haefliger <juerg.haefliger@hp.com> -# Author: Joshua Harlow <harlowja@yahoo-inc.com> -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 3, as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - -import argparse -import os -import sys - -# This is more just for running from the bin folder -possible_topdir = os.path.normpath(os.path.join(os.path.abspath( - sys.argv[0]), os.pardir, os.pardir)) -if os.path.exists(os.path.join(possible_topdir, "cloudinit", "__init__.py")): - sys.path.insert(0, possible_topdir) - -from cloudinit import log as logging -from cloudinit import netinfo -from cloudinit import settings -from cloudinit import sources -from cloudinit import stages -from cloudinit import templater -from cloudinit import util -from cloudinit import version - - -# Transform section template -TR_TPL = "cloud_%s_modules" - -# Things u can query on -QUERY_DATA_TYPES = [ - 'data', - 'data_raw', - 'instance_id', -] - -LOG = logging.getLogger() - - -def welcome(action): - msg = ("Cloud-init v. {{version}} running '{{action}}' at " - "{{timestamp}}. Up {{uptime}} seconds.") - tpl_params = { - 'version': version.version_string(), - 'uptime': util.uptime(), - 'timestamp': util.time_rfc2822(), - 'action': action, - } - welcome_msg = "%s" % (templater.render_string(msg, tpl_params)) - sys.stderr.write("%s\n" % (welcome_msg)) - sys.stderr.flush() - LOG.info(welcome_msg) - - -def extract_fns(args): - # Files are already opened so lets just pass that along - # since it would of broke if it couldn't have - # read that file already... - fn_cfgs = [] - if args.files: - for fh in args.files: - # The realpath is more useful in logging - # so lets resolve to that... - fn_cfgs.append(os.path.realpath(fh.name)) - return fn_cfgs - - -def run_transform_section(tr, action_name, section): - full_section_name = TR_TPL % (section) - (ran_am, failures) = tr.run_section(full_section_name) - if not ran_am: - msg = ("No '%s' transforms to run" - " under section '%s'") % (action_name, full_section_name) - sys.stderr.write("%s\n" % (msg)) - LOG.debug(msg) - return 0 - else: - LOG.debug("Ran %s transforms with %s failures", ran_am, len(failures)) - return len(failures) - - -def main_init(name, args): - deps = [sources.DEP_FILESYSTEM, sources.DEP_NETWORK] - if args.local: - deps = [sources.DEP_FILESYSTEM] - - if not args.local: - # TODO: What is this for?? - root_name = "%s.d" % (settings.CLOUD_CONFIG) - target_fn = os.path.join(root_name, "91_kernel_cmdline_url.cfg") - util.read_write_cmdline_url(target_fn) - - # Cloud-init 'init' stage is broken up into the following sub-stages - # 1. Ensure that the init object fetches its config without errors - # 2. Setup logging/output redirections with resultant config (if any) - # 3. Initialize the cloud-init filesystem - # 4. Check if we can stop early by looking for various files - # 5. Fetch the datasource - # 6. Connect to the current instance location + update the cache - # 7. Consume the userdata (handlers get activated here) - # 8. Construct the transform object - # 9. Adjust any subsequent logging/output redirections using - # the transform objects configuration - # 10. Run the transforms for the 'init' stage - # 11. Done! - welcome(name) - init = stages.Init(deps) - # Stage 1 - init.read_cfg(extract_fns(args)) - # Stage 2 - outfmt = None - errfmt = None - try: - LOG.debug("Closing stdin") - util.close_stdin() - (outfmt, errfmt) = util.fixup_output(init.cfg, name) - except: - util.logexc(LOG, "Failed to setup output redirection!") - if args.debug: - # Reset so that all the debug handlers are closed out - LOG.debug(("Logging being reset, this logger may no" - " longer be active shortly")) - logging.resetLogging() - logging.setupLogging(init.cfg) - # Stage 3 - try: - init.initialize() - except Exception: - util.logexc(LOG, "Failed to initialize, likely bad things to come!") - # Stage 4 - path_helper = init.paths - if not args.local: - sys.stderr.write("%s\n" % (netinfo.debug_info())) - LOG.debug(("Checking to see if files that we need already" - " exist from a previous run that would allow us" - " to stop early.")) - stop_files = [ - os.path.join(path_helper.get_cpath("data"), "no-net"), - path_helper.get_ipath_cur("obj_pkl"), - ] - existing_files = [] - for fn in stop_files: - try: - c = util.load_file(fn) - if len(c): - existing_files.append((fn, len(c))) - except Exception: - pass - if existing_files: - LOG.debug("Exiting early due to the existence of %s files", - existing_files) - return 0 - else: - # The cache is not instance specific, so it has to be purged - # but we want 'start' to benefit from a cache if - # a previous start-local populated one... - manual_clean = util.get_cfg_option_bool(init.cfg, - 'manual_cache_clean', False) - if manual_clean: - LOG.debug("Not purging instance link, manual cleaning enabled") - init.purge_cache(False) - else: - init.purge_cache() - # Delete the non-net file as well - util.del_file(os.path.join(path_helper.get_cpath("data"), "no-net")) - # Stage 5 - try: - init.fetch() - except sources.DataSourceNotFoundException: - util.logexc(LOG, "No instance datasource found!") - # TODO: Return 0 or 1?? - return 1 - # Stage 6 - iid = init.instancify() - LOG.debug("%s will now be targeting instance id: %s", name, iid) - init.update() - # Stage 7 - try: - (ran, _results) = init.cloudify().run('consume_userdata', - init.consume, - args=[settings.PER_INSTANCE], - freq=settings.PER_INSTANCE) - if not ran: - # Just consume anything that is set to run per - # always if nothing ran in the per instance section - init.consume(settings.PER_ALWAYS) - except Exception: - util.logexc(LOG, "Consuming user data failed!") - return 1 - # Stage 8 - TODO - do we really need to re-extract our configs? - tr = stages.Transforms(init, extract_fns(args)) - # Stage 9 - TODO is this really needed?? - try: - outfmt_orig = outfmt - errfmt_orig = errfmt - (outfmt, errfmt) = util.get_output_cfg(tr.cfg, name) - if outfmt_orig != outfmt or errfmt_orig != errfmt: - LOG.warn("Stdout, stderr changing to (%s, %s)", outfmt, errfmt) - (outfmt, errfmt) = util.fixup_output(tr.cfg, name) - except: - util.logexc(LOG, "Failed to re-adjust output redirection!") - # Stage 10 - return run_transform_section(tr, name, name) - - -def main_transform(action_name, args): - name = args.mode - # Cloud-init transform stages are broken up into the following sub-stages - # 1. Ensure that the init object fetches its config without errors - # 2. Get the datasource from the init object, if it does - # not exist then that means the main_init stage never - # worked, and thus this stage can not run. - # 3. Construct the transform object - # 4. Adjust any subsequent logging/output redirections using - # the transform objects configuration - # 5. Run the transforms for the given stage name - # 6. Done! - welcome("%s:%s" % (action_name, name)) - init = stages.Init(ds_deps=[]) - # Stage 1 - init.read_cfg(extract_fns(args)) - # Stage 2 - try: - init.fetch() - except sources.DataSourceNotFoundException: - # There was no datasource found, theres nothing to do - util.logexc(LOG, 'Can not apply stage %s, no datasource found!', name) - return 1 - # Stage 3 - tr_cfgs = extract_fns(args) - cc_cfg = init.paths.get_ipath_cur('cloud_config') - if settings.CFG_ENV_NAME in os.environ: - cc_cfg = os.environ[settings.CFG_ENV_NAME] - if cc_cfg and os.path.exists(cc_cfg): - tr_cfgs.append(cc_cfg) - tr = stages.Transforms(init, tr_cfgs) - # Stage 4 - try: - LOG.debug("Closing stdin") - util.close_stdin() - util.fixup_output(tr.cfg, name) - except: - util.logexc(LOG, "Failed to setup output redirection!") - if args.debug: - # Reset so that all the debug handlers are closed out - LOG.debug(("Logging being reset, this logger may no" - " longer be active shortly")) - logging.resetLogging() - logging.setupLogging(tr.cfg) - # Stage 5 - return run_transform_section(tr, name, name) - - -def main_query(_name, _args): - pass - - -def main_single(name, args): - # Cloud-init single stage is broken up into the following sub-stages - # 1. Ensure that the init object fetches its config without errors - # 2. Check to see if we can find the transform name - # in the 'init', 'final', 'config' stages, if not bail - # 3. Get the datasource from the init object, if it does - # not exist then that means the main_init stage never - # worked, and thus this stage can not run. - # 4. Construct the transform object - # 5. Adjust any subsequent logging/output redirections using - # the transform objects configuration - # 6. Run the single transform - # 7. Done! - tr_name = args.name - welcome("%s:%s" % (name, tr_name)) - init = stages.Init(ds_deps=[]) - # Stage 1 - init.read_cfg(extract_fns(args)) - tr = stages.Transforms(init, extract_fns(args)) - where_look_mp = { - TR_TPL % ('init'): 'init', - TR_TPL % ('config'): 'config', - TR_TPL % ('final'): 'final', - } - where_look = list(where_look_mp.keys()) - found_at = tr.find_transform(tr_name, where_look) - if not found_at: - msg = ("No known transform named %s " - "in sections (%s)") % (tr_name, ", ".join(where_look)) - LOG.warn(msg) - return 1 - else: - LOG.debug("Found transform %s in sections: %s", - tr_name, found_at) - sect_name = found_at[0] - LOG.debug("Selecting section %s as its 'source' section.", sect_name) - tr_args = args.transform_args - if tr_args: - LOG.debug("Using passed in arguments %s", tr_args) - tr_freq = args.frequency - if tr_freq: - LOG.debug("Using passed in frequency %s", tr_freq) - try: - LOG.debug("Closing stdin") - util.close_stdin() - # This seems to use the short name, instead of the long name - util.fixup_output(tr.cfg, where_look_mp.get(sect_name)) - except: - util.logexc(LOG, "Failed to setup output redirection!") - if args.debug: - # Reset so that all the debug handlers are closed out - LOG.debug(("Logging being reset, this logger may no" - " longer be active shortly")) - logging.resetLogging() - logging.setupLogging(tr.cfg) - (_run_am, failures) = tr.run_single(tr_name, sect_name, - tr_args, tr_freq) - if failures: - LOG.debug("Ran %s but it failed", tr_name) - return 1 - else: - return 0 - - -def main(): - parser = argparse.ArgumentParser() - - # Top level args - parser.add_argument('--version', '-v', action='version', - version='%(prog)s ' + (version.version_string())) - parser.add_argument('--file', '-f', action='append', - dest='files', - help=('additional yaml configuration' - ' files to use'), - type=argparse.FileType('rb')) - parser.add_argument('--debug', '-d', action='store_true', - help=('show additional pre-action' - ' logging (default: %(default)s)'), - default=False) - subparsers = parser.add_subparsers() - - # Each action and its sub-options (if any) - parser_init = subparsers.add_parser('init', - help=('initializes cloud-init and' - ' performs initial transforms')) - parser_init.add_argument("--local", '-l', action='store_true', - help="start in local mode (default: %(default)s)", - default=False) - # This is used so that we can know which action is selected + - # the functor to use to run this subcommand - parser_init.set_defaults(action=('init', main_init)) - - # These settings are used for the 'config' and 'final' stages - parser_tr = subparsers.add_parser('transform', - help=('performs transforms ' - 'using a given configuration key')) - parser_tr.add_argument("--mode", '-m', action='store', - help=("transform configuration name " - "to use (default: %(default)s)"), - default='config', - choices=('config', 'final')) - parser_tr.set_defaults(action=('transform', main_transform)) - - # These settings are used when you want to query information - # stored in the cloud-init data objects/directories/files - parser_query = subparsers.add_parser('query', - help=('query information stored ' - 'in cloud-init')) - parser_query.add_argument("--name", '-n', action="store", - help="item name to query on", - required=True, - choices=QUERY_DATA_TYPES) - parser_query.set_defaults(action=('query', main_query)) - - # This subcommand allows you to run a single transform - parser_single = subparsers.add_parser('single', - help=('run a single transform ')) - parser_single.set_defaults(action=('single', main_single)) - parser_single.add_argument("--name", '-n', action="store", - help="transform name to run", - required=True) - parser_single.add_argument("--frequency", action="store", - help=("frequency of " - " the transform (default: %(default)s)"), - required=False, - default=settings.PER_ALWAYS, - choices=settings.FREQUENCIES) - parser_single.add_argument("transform_args", nargs="*", - metavar='argument', - help=('any additional arguments to' - ' pass to this transform')) - parser_single.set_defaults(action=('single', main_single)) - - - args = parser.parse_args() - - # Setup basic logging to start (until reinitialized) - if args.debug: - logging.setupBasicLogging() - - (name, functor) = args.action - return functor(name, args) - - -if __name__ == '__main__': - sys.exit(main()) - |