diff options
| -rw-r--r-- | ChangeLog | 1 | ||||
| -rw-r--r-- | cloudinit/config/cc_fan.py | 101 | ||||
| -rw-r--r-- | config/cloud.cfg | 1 |
3 files changed, 103 insertions, 0 deletions
@@ -62,6 +62,7 @@ - reporting: add reporting module for web hook or logging of events. - NoCloud: fix consumption of vendordata (LP: #1493453) - power_state_change: support 'condition' to disable or enable poweroff + - ubuntu fan: support for config and installing of ubuntu fan (LP: #1504604) 0.7.6: - open 0.7.6 - Enable vendordata on CloudSigma datasource (LP: #1303986) diff --git a/cloudinit/config/cc_fan.py b/cloudinit/config/cc_fan.py new file mode 100644 index 00000000..39e3850e --- /dev/null +++ b/cloudinit/config/cc_fan.py @@ -0,0 +1,101 @@ +# vi: ts=4 expandtab +# +# Copyright (C) 2015 Canonical Ltd. +# +# Author: Scott Moser <scott.moser@canonical.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/>. +""" +fan module allows configuration of Ubuntu Fan + https://wiki.ubuntu.com/FanNetworking + +Example config: + #cloud-config + fan: + config: | + # fan 240 + 10.0.0.0/8 eth0/16 dhcp + 10.0.0.0/8 eth1/16 dhcp off + # fan 241 + 241.0.0.0/8 eth0/16 dhcp + config_path: /etc/network/fan + +If cloud-init sees a 'fan' entry in cloud-config it will + a.) write 'config_path' with the contents + b.) install the package 'ubuntu-fan' if it is not installed + c.) ensure the service is started (or restarted if was previously running) +""" + +from cloudinit import log as logging +from cloudinit import util +from cloudinit.settings import PER_INSTANCE + +LOG = logging.getLogger(__name__) + +frequency = PER_INSTANCE + +BUILTIN_CFG = { + 'config': None, + 'config_path': '/etc/network/fan', +} + + +def stop_update_start(service, config_file, content, systemd=False): + if systemd: + cmds = {'stop': ['systemctl', 'stop', service], + 'start': ['systemctl', 'start', service], + 'enable': ['systemctl', 'enable', service]} + else: + cmds = {'stop': ['service', 'stop'], + 'start': ['service', 'start']} + + def run(cmd, msg): + try: + return util.subp(cmd, capture=True) + except util.ProcessExecutionError as e: + LOG.warn("failed: %s (%s): %s", service, cmd, e) + return False + + stop_failed = not run(cmds['stop'], msg='stop %s' % service) + if not content.endswith('\n'): + content += '\n' + util.write_file(config_file, content, omode="w") + + ret = run(cmds['start'], msg='start %s' % service) + if ret and stop_failed: + LOG.warn("success: %s started", service) + + if 'enable' in cmds: + ret = run(cmds['enable'], msg='enable %s' % service) + + return ret + + +def handle(name, cfg, cloud, log, args): + cfgin = cfg.get('fan') + if not cfgin: + cfgin = {} + mycfg = util.mergemanydict([cfgin, BUILTIN_CFG]) + + if not mycfg.get('config'): + LOG.debug("%s: no 'fan' config entry. disabling", name) + return + + util.write_file(mycfg.get('config_path'), mycfg.get('config'), omode="w") + distro = cloud.distro + if not util.which('fanctl'): + distro.install_packages(['ubuntu-fan']) + + stop_update_start( + service='ubuntu-fan', config_file=mycfg.get('config_path'), + content=mycfg.get('config'), systemd=distro.uses_systemd()) diff --git a/config/cloud.cfg b/config/cloud.cfg index 2b27f379..74794ab0 100644 --- a/config/cloud.cfg +++ b/config/cloud.cfg @@ -53,6 +53,7 @@ cloud_config_modules: - apt-pipelining - apt-configure - package-update-upgrade-install + - fan - landscape - timezone - puppet |