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# Copyright (C) 2009-2010 Canonical Ltd. # Copyright (C) 2012, 2013 Hewlett-Packard Development Company, L.P. # # Author: Scott Moser <scott.moser@canonical.com> # Author: Juerg Haefliger <juerg.haefliger@hp.com> # # This file is part of cloud-init. See LICENSE file for license information. """ SSH Import Id ------------- **Summary:** import ssh id This module imports ssh keys from either a public keyserver, usually launchpad or github using ``ssh-import-id``. Keys are referenced by the username they are associated with on the keyserver. The keyserver can be specified by prepending either ``lp:`` for launchpad or ``gh:`` for github to the username. **Internal name:** ``cc_ssh_import_id`` **Module frequency:** per instance **Supported distros:** ubuntu, debian **Config keys**:: ssh_import_id: - user - gh:user - lp:user """ from cloudinit.distros import ug_util from cloudinit import util import pwd # https://launchpad.net/ssh-import-id distros = ['ubuntu', 'debian'] def handle(_name, cfg, cloud, log, args): # import for "user: XXXXX" if len(args) != 0: user = args[0] ids = [] if len(args) > 1: ids = args[1:] import_ssh_ids(ids, user, log) return # import for cloudinit created users (users, _groups) = ug_util.normalize_users_groups(cfg, cloud.distro) elist = [] for (user, user_cfg) in users.items(): import_ids = [] if user_cfg['default']: import_ids = util.get_cfg_option_list(cfg, "ssh_import_id", []) else: try: import_ids = user_cfg['ssh_import_id'] except Exception: log.debug("User %s is not configured for ssh_import_id", user) continue try: import_ids = util.uniq_merge(import_ids) import_ids = [str(i) for i in import_ids] except Exception: log.debug("User %s is not correctly configured for ssh_import_id", user) continue if not len(import_ids): continue try: import_ssh_ids(import_ids, user, log) except Exception as exc: util.logexc(log, "ssh-import-id failed for: %s %s", user, import_ids) elist.append(exc) if len(elist): raise elist[0] def import_ssh_ids(ids, user, log): if not (user and ids): log.debug("empty user(%s) or ids(%s). not importing", user, ids) return try: pwd.getpwnam(user) except KeyError as exc: raise exc cmd = ["sudo", "-Hu", user, "ssh-import-id"] + ids log.debug("Importing ssh ids for user %s.", user) try: util.subp(cmd, capture=False) except util.ProcessExecutionError as exc: util.logexc(log, "Failed to run command to import %s ssh ids", user) raise exc # vi: ts=4 expandtab
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