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Diffstat (limited to 'cloudinit/config/cc_landscape.py')
-rw-r--r-- | cloudinit/config/cc_landscape.py | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/cloudinit/config/cc_landscape.py b/cloudinit/config/cc_landscape.py new file mode 100644 index 00000000..29ce41b9 --- /dev/null +++ b/cloudinit/config/cc_landscape.py @@ -0,0 +1,97 @@ +# vi: ts=4 expandtab +# +# Copyright (C) 2011 Canonical Ltd. +# Copyright (C) 2012 Hewlett-Packard Development Company, L.P. +# +# Author: Scott Moser <scott.moser@canonical.com> +# Author: Juerg Haefliger <juerg.haefliger@hp.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 os + +from StringIO import StringIO + +try: + from configobj import ConfigObj +except ImportError: + ConfigObj = None + +from cloudinit import util + +from cloudinit.settings import PER_INSTANCE + +frequency = PER_INSTANCE + +LSC_CLIENT_CFG_FILE = "/etc/landscape/client.conf" + +distros = ['ubuntu'] + +# defaults taken from stock client.conf in landscape-client 11.07.1.1-0ubuntu2 +LSC_BUILTIN_CFG = { + 'client': { + 'log_level': "info", + 'url': "https://landscape.canonical.com/message-system", + 'ping_url': "http://landscape.canonical.com/ping", + 'data_path': "/var/lib/landscape/client", + } +} + + +def handle(name, cfg, cloud, log, _args): + """ + Basically turn a top level 'landscape' entry with a 'client' dict + and render it to ConfigObj format under '[client]' section in + /etc/landscape/client.conf + """ + if not ConfigObj: + log.warn(("'ConfigObj' support not available," + " running transform %s disabled"), name) + return + + ls_cloudcfg = cfg.get("landscape", {}) + + if not isinstance(ls_cloudcfg, dict): + raise Exception(("'landscape' key existed in config," + " but not a dictionary type," + " is a %s instead"), util.obj_name(ls_cloudcfg)) + + lsc_client_fn = cloud.paths.join(True, LSC_CLIENT_CFG_FILE) + merged = merge_together([LSC_BUILTIN_CFG, lsc_client_fn, ls_cloudcfg]) + + lsc_dir = cloud.paths.join(False, os.path.dirname(lsc_client_fn)) + if not os.path.isdir(lsc_dir): + util.ensure_dir(lsc_dir) + + contents = StringIO() + merged.write(contents) + contents.flush() + + util.write_file(lsc_client_fn, contents.getvalue()) + log.debug("Wrote landscape config file to %s", lsc_client_fn) + + +def merge_together(objs): + """ + merge together ConfigObj objects or things that ConfigObj() will take in + later entries override earlier + """ + cfg = ConfigObj({}) + for obj in objs: + if not obj: + continue + if isinstance(obj, ConfigObj): + cfg.merge(obj) + else: + cfg.merge(ConfigObj(obj)) + return cfg |