Gestionnaire de fichiers - Editer - /usr/lib/python2.7/site-packages/cloudinit/config/cc_debug.py
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# Copyright (C) 2013 Yahoo! Inc. # # This file is part of cloud-init. See LICENSE file for license information. """ Debug ----- **Summary:** helper to debug cloud-init *internal* datastructures. This module will enable for outputting various internal information that cloud-init sources provide to either a file or to the output console/log location that this cloud-init has been configured with when running. .. note:: Log configurations are not output. **Internal name:** ``cc_debug`` **Module frequency:** per instance **Supported distros:** all **Config keys**:: debug: verbose: true/false (defaulting to true) output: (location to write output, defaulting to console + log) """ import copy from six import StringIO from cloudinit import type_utils from cloudinit import util from cloudinit import safeyaml SKIP_KEYS = frozenset(['log_cfgs']) def _make_header(text): header = StringIO() header.write("-" * 80) header.write("\n") header.write(text.center(80, ' ')) header.write("\n") header.write("-" * 80) header.write("\n") return header.getvalue() def _dumps(obj): text = safeyaml.dumps(obj, explicit_start=False, explicit_end=False) return text.rstrip() def handle(name, cfg, cloud, log, args): """Handler method activated by cloud-init.""" verbose = util.get_cfg_by_path(cfg, ('debug', 'verbose'), default=True) if args: # if args are provided (from cmdline) then explicitly set verbose out_file = args[0] verbose = True else: out_file = util.get_cfg_by_path(cfg, ('debug', 'output')) if not verbose: log.debug(("Skipping module named %s," " verbose printing disabled"), name) return # Clean out some keys that we just don't care about showing... dump_cfg = copy.deepcopy(cfg) for k in SKIP_KEYS: dump_cfg.pop(k, None) all_keys = list(dump_cfg) for k in all_keys: if k.startswith("_"): dump_cfg.pop(k, None) # Now dump it... to_print = StringIO() to_print.write(_make_header("Config")) to_print.write(_dumps(dump_cfg)) to_print.write("\n") to_print.write(_make_header("MetaData")) to_print.write(_dumps(cloud.datasource.metadata)) to_print.write("\n") to_print.write(_make_header("Misc")) to_print.write("Datasource: %s\n" % (type_utils.obj_name(cloud.datasource))) to_print.write("Distro: %s\n" % (type_utils.obj_name(cloud.distro))) to_print.write("Hostname: %s\n" % (cloud.get_hostname(True))) to_print.write("Instance ID: %s\n" % (cloud.get_instance_id())) to_print.write("Locale: %s\n" % (cloud.get_locale())) to_print.write("Launch IDX: %s\n" % (cloud.launch_index)) contents = to_print.getvalue() content_to_file = [] for line in contents.splitlines(): line = "ci-info: %s\n" % (line) content_to_file.append(line) if out_file: util.write_file(out_file, "".join(content_to_file), 0o644, "w") else: util.multi_log("".join(content_to_file), console=True, stderr=False) # vi: ts=4 expandtab
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