def get_cluster_attributes(config_cache: config.ConfigCache, host_config: config.HostConfig,
nodes: List[str]) -> Dict:
sorted_nodes = sorted(nodes)
attrs = {
"_NODENAMES": " ".join(sorted_nodes),
}
node_ips_4 = []
if host_config.is_ipv4_host:
family = socket.AF_INET
for h in sorted_nodes:
node_config = config_cache.get_host_config(h)
addr = ip_address_of(node_config, family)
if addr is not None:
node_ips_4.append(addr)
else:
node_ips_4.append(ip_lookup.fallback_ip_for(family))
node_ips_6 = []
if host_config.is_ipv6_host:
family = socket.AF_INET6
for h in sorted_nodes:
node_config = config_cache.get_host_config(h)
addr = ip_address_of(node_config, family)
if addr is not None:
node_ips_6.append(addr)
else:
node_ips_6.append(ip_lookup.fallback_ip_for(family))
node_ips = node_ips_6 if host_config.is_ipv6_primary else node_ips_4
for suffix, val in [("", node_ips), ("_4", node_ips_4), ("_6", node_ips_6)]:
attrs["_NODEIPS%s" % suffix] = " ".join(val)
return attrs
def _ip_address_for_dump_host(
host_config: config.HostConfig,
*,
family: socket.AddressFamily,
) -> Optional[str]:
try:
return config.lookup_ip_address(host_config, family=family)
except Exception:
return "" if host_config.is_cluster else ip_lookup.fallback_ip_for(family)
def ip_address_of(host_config: config.HostConfig, family: socket.AddressFamily) -> Optional[str]:
try:
return config.lookup_ip_address(host_config, family=family)
except Exception as e:
if host_config.is_cluster:
return ""
_failed_ip_lookups.append(host_config.hostname)
if not _ignore_ip_lookup_failures:
warning("Cannot lookup IP address of '%s' (%s). "
"The host will not be monitored correctly." % (host_config.hostname, e))
return ip_lookup.fallback_ip_for(family)
def __init__(
self,
host_config: HostConfig,
ipaddress: Optional[HostAddress],
*,
selected_sections: SectionNameCollection,
on_scan_error: OnError,
force_snmp_cache_refresh: bool,
) -> None:
super().__init__()
self.host_config: Final = host_config
self.ipaddress: Final = ipaddress
self.selected_sections: Final = selected_sections
self.on_scan_error: Final = on_scan_error
self.force_snmp_cache_refresh: Final = force_snmp_cache_refresh
self._fallback_ip: Final = ip_lookup.fallback_ip_for(
self.host_config.default_address_family)
self._elems: Dict[str, Source] = {}
self._initialize()
def __init__(
self,
host_config: HostConfig,
ipaddress: Optional[HostAddress],
*,
mode: Mode,
selected_sections: SectionNameCollection,
on_scan_error: str,
) -> None:
super().__init__()
self._host_config = host_config
self._hostname = host_config.hostname
self._ipaddress = ipaddress
self._fallback_ip = ip_lookup.fallback_ip_for(self._host_config.default_address_family)
self._mode = mode
self._selected_sections = selected_sections
self._on_scan_error = on_scan_error
self._elems: Dict[str, Source] = {}
self._initialize()
