def __init__(self, cloud_prop):
if MISSING_LIBS:
raise CloudError("missing libraries required by libvirt deployment: %s" % (", ".join(MISSING_LIBS)))
Provider.__init__(self, 'libvirt', cloud_prop)
self.log = logging.getLogger("poni.libvirt")
self.ssh_key = None
profile = json.load(open(cloud_prop["profile"], "rb"))
if "ssh_key" in profile:
self.ssh_key = os.path.expandvars(os.path.expanduser(profile["ssh_key"]))
# Look up all hypervisor hosts, they can be defined one-by-one
# ("nodes" property) in which case we use the highest priorities
# with them. They can also be defined in SRV records in "services"
# property as well as an older style "nodesets" property without
# service information in which case we use _libvirt._tcp.
if not DNS.defaults["server"]:
DNS.DiscoverNameServers()
hosts = {}
for entry in profile.get("nodes", []):
host, _, port = entry.partition(":")
hosts["{0}:{1}".format(host, port or 22)] = (0, 100)
services = set(profile.get("services", []))
services.update("_libvirt._tcp.{0}".format(host) for host in profile.get("nodesets", []))
for entry in services:
for priority, weight, port, host in _lv_dns_lookup(entry, "SRV"):
hosts["{0}:{1}".format(host, port)] = (priority, weight)
self.hosts = hosts
self.hosts_online = None
def get_provider_key(cls, cloud_prop):
"""
Return a cloud Provider object for the given cloud properties.
"""
profile_file = cloud_prop.get("profile")
if not profile_file:
raise CloudError(
"required node property 'cloud.profile' pointing to a profile file not defined"
)
return ("PONILV", profile_file)
def __init__(self, msg, code=None):
CloudError.__init__(self, msg)
self.code = code
def __init__(self, msg, code=None):
CloudError.__init__(self, msg)
self.code = code