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-rw-r--r--cloudinit/config/cc_lxd.py107
1 files changed, 89 insertions, 18 deletions
diff --git a/cloudinit/config/cc_lxd.py b/cloudinit/config/cc_lxd.py
index 0086840f..cead2c95 100644
--- a/cloudinit/config/cc_lxd.py
+++ b/cloudinit/config/cc_lxd.py
@@ -46,6 +46,7 @@ Example config:
"""
from cloudinit import util
+import os
distros = ['ubuntu']
@@ -105,25 +106,43 @@ def handle(name, cfg, cloud, log, args):
# Set up lxd-bridge if bridge config is given
dconf_comm = "debconf-communicate"
- if bridge_cfg and util.which(dconf_comm):
- debconf = bridge_to_debconf(bridge_cfg)
+ if bridge_cfg:
+ if os.path.exists("/etc/default/lxd-bridge") \
+ and util.which(dconf_comm):
+ # Bridge configured through packaging
+
+ debconf = bridge_to_debconf(bridge_cfg)
+
+ # Update debconf database
+ try:
+ log.debug("Setting lxd debconf via " + dconf_comm)
+ data = "\n".join(["set %s %s" % (k, v)
+ for k, v in debconf.items()]) + "\n"
+ util.subp(['debconf-communicate'], data)
+ except Exception:
+ util.logexc(log, "Failed to run '%s' for lxd with" %
+ dconf_comm)
+
+ # Remove the existing configuration file (forces re-generation)
+ util.del_file("/etc/default/lxd-bridge")
+
+ # Run reconfigure
+ log.debug("Running dpkg-reconfigure for lxd")
+ util.subp(['dpkg-reconfigure', 'lxd',
+ '--frontend=noninteractive'])
+ else:
+ # Built-in LXD bridge support
+ cmd_create, cmd_attach = bridge_to_cmd(bridge_cfg)
+ if cmd_create:
+ log.debug("Creating lxd bridge: %s" %
+ " ".join(cmd_create))
+ util.subp(cmd_create)
+
+ if cmd_attach:
+ log.debug("Setting up default lxd bridge: %s" %
+ " ".join(cmd_create))
+ util.subp(cmd_attach)
- # Update debconf database
- try:
- log.debug("Setting lxd debconf via " + dconf_comm)
- data = "\n".join(["set %s %s" % (k, v)
- for k, v in debconf.items()]) + "\n"
- util.subp(['debconf-communicate'], data)
- except Exception:
- util.logexc(log, "Failed to run '%s' for lxd with" % dconf_comm)
-
- # Remove the existing configuration file (forces re-generation)
- util.del_file("/etc/default/lxd-bridge")
-
- # Run reconfigure
- log.debug("Running dpkg-reconfigure for lxd")
- util.subp(['dpkg-reconfigure', 'lxd',
- '--frontend=noninteractive'])
elif bridge_cfg:
raise RuntimeError(
"Unable to configure lxd bridge without %s." + dconf_comm)
@@ -177,3 +196,55 @@ def bridge_to_debconf(bridge_cfg):
raise Exception("invalid bridge mode \"%s\"" % bridge_cfg.get("mode"))
return debconf
+
+
+def bridge_to_cmd(bridge_cfg):
+ if bridge_cfg.get("mode") == "none":
+ return None, None
+
+ bridge_name = bridge_cfg.get("name", "lxdbr0")
+ cmd_create = []
+ cmd_attach = ["lxc", "network", "attach-profile", bridge_name,
+ "default", "eth0", "--force-local"]
+
+ if bridge_cfg.get("mode") == "existing":
+ return None, cmd_attach
+
+ if bridge_cfg.get("mode") != "new":
+ raise Exception("invalid bridge mode \"%s\"" % bridge_cfg.get("mode"))
+
+ cmd_create = ["lxc", "network", "create", bridge_name]
+
+ if bridge_cfg.get("ipv4_address") and bridge_cfg.get("ipv4_netmask"):
+ cmd_create.append("ipv4.address=%s/%s" %
+ (bridge_cfg.get("ipv4_address"),
+ bridge_cfg.get("ipv4_netmask")))
+
+ if bridge_cfg.get("ipv4_nat", "true") == "true":
+ cmd_create.append("ipv4.nat=true")
+
+ if bridge_cfg.get("ipv4_dhcp_first") and \
+ bridge_cfg.get("ipv4_dhcp_last"):
+ dhcp_range = "%s-%s" % (bridge_cfg.get("ipv4_dhcp_first"),
+ bridge_cfg.get("ipv4_dhcp_last"))
+ cmd_create.append("ipv4.dhcp.ranges=%s" % dhcp_range)
+ else:
+ cmd_create.append("ipv4.address=none")
+
+ if bridge_cfg.get("ipv6_address") and bridge_cfg.get("ipv6_netmask"):
+ cmd_create.append("ipv6.address=%s/%s" %
+ (bridge_cfg.get("ipv6_address"),
+ bridge_cfg.get("ipv6_netmask")))
+
+ if bridge_cfg.get("ipv6_nat", "false") == "true":
+ cmd_create.append("ipv6.nat=true")
+
+ else:
+ cmd_create.append("ipv6.address=none")
+
+ if bridge_cfg.get("domain"):
+ cmd_create.append("dns.domain=%s" % bridge_cfg.get("domain"))
+
+ cmd_create.append("--force-local")
+
+ return cmd_create, cmd_attach