merge trunk at 0.7.7~bzr1176

1 files changed, 85 insertions, 0 deletions

diff --git a/cloudinit/config/cc_lxd.py b/cloudinit/config/cc_lxd.py
new file mode 100644
index 00000000..63b8fb63
--- /dev/null
+++ b/cloudinit/config/cc_lxd.py
@@ -0,0 +1,85 @@
+# vi: ts=4 expandtab
+#
+#    Copyright (C) 2016 Canonical Ltd.
+#
+#    Author: Wesley Wiedenmeier <wesley.wiedenmeier@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/>.
+
+"""
+This module initializes lxd using 'lxd init'
+
+Example config:
+  #cloud-config
+  lxd:
+    init:
+      network_address: <ip addr>
+      network_port: <port>
+      storage_backend: <zfs/dir>
+      storage_create_device: <dev>
+      storage_create_loop: <size>
+      storage_pool: <name>
+      trust_password: <password>
+"""
+
+from cloudinit import util
+
+
+def handle(name, cfg, cloud, log, args):
+    # Get config
+    lxd_cfg = cfg.get('lxd')
+    if not lxd_cfg:
+        log.debug("Skipping module named %s, not present or disabled by cfg")
+        return
+    if not isinstance(lxd_cfg, dict):
+        log.warn("lxd config must be a dictionary. found a '%s'",
+                 type(lxd_cfg))
+        return
+
+    init_cfg = lxd_cfg.get('init')
+    if not isinstance(init_cfg, dict):
+        log.warn("lxd/init config must be a dictionary. found a '%s'",
+                 type(init_cfg))
+        init_cfg = {}
+
+    if not init_cfg:
+        log.debug("no lxd/init config. disabled.")
+        return
+
+    packages = []
+    # Ensure lxd is installed
+    if not util.which("lxd"):
+        packages.append('lxd')
+
+    # if using zfs, get the utils
+    if init_cfg.get("storage_backend") == "zfs" and not util.which('zfs'):
+        packages.append('zfs')
+
+    if len(packages):
+        try:
+            cloud.distro.install_packages(packages)
+        except util.ProcessExecutionError as exc:
+            log.warn("failed to install packages %s: %s", packages, exc)
+            return
+
+    # Set up lxd if init config is given
+    init_keys = (
+        'network_address', 'network_port', 'storage_backend',
+        'storage_create_device', 'storage_create_loop',
+        'storage_pool', 'trust_password')
+    cmd = ['lxd', 'init', '--auto']
+    for k in init_keys:
+        if init_cfg.get(k):
+            cmd.extend(["--%s=%s" %
+                        (k.replace('_', '-'), str(init_cfg[k]))])
+    util.subp(cmd)