def __init__(self, cloud_prop):
if MISSING_LIBS:
raise CloudError("missing libraries required by libvirt deployment: " + ", ".join(MISSING_LIBS))
Provider.__init__(self, "libvirt", cloud_prop)
self.log = logging.getLogger("poni.libvirt")
self.ssh_key = None
profile_file = cloud_prop.get("profile")
if not profile_file:
raise CloudError("required node property 'cloud.profile' pointing to a profile file not defined")
profile = json.load(open(profile_file, "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 __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 __init__(self, cloud_prop):
if MISSING_LIBS:
raise CloudError("missing libraries required by libvirt deployment: " + ", ".join(MISSING_LIBS))
Provider.__init__(self, "libvirt", cloud_prop)
self.log = logging.getLogger("poni.libvirt")
# Use a json profile file if one is defined, otherwise use
# properties directly from `cloud_prop`
profile_file = cloud_prop.get("profile")
if profile_file:
profile = json.load(open(profile_file, "rb"))
else:
profile = cloud_prop
self.hypervisor = profile.get("hypervisor", "kvm")
if "ssh_key" in profile:
self.ssh_key = os.path.expandvars(os.path.expanduser(profile["ssh_key"]))
else:
self.ssh_key = None
# default to accessing the hosts as root unless something else is
# specified or caller asks not to pass username by setting it empty
user = profile.get("username", "root")
user_at = user + "@" if user else ""
# 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.
hosts = {}
for entry in profile.get("nodes", []):
hosts[user_at + entry] = (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):
hosts["{0}{1}:{2}".format(user_at, host, port)] = (priority, weight)
self.hosts = hosts
self.hosts_online = None
