bundlewrap/libs/tools.py

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2020-10-16 20:19:45 +00:00
from bundlewrap.exceptions import NoSuchGroup, NoSuchNode
from ipaddress import ip_address
def resolve_identifier(repo, identifier):
"""
Try to resolve an identifier (group or node). Return a set of ip
addresses valid for this identifier.
"""
try:
nodes = {repo.get_node(identifier)}
except NoSuchNode:
try:
nodes = repo.nodes_in_group(identifier)
except NoSuchGroup:
try:
return {ip_address(identifier)}
except:
return set()
found_ips = set()
for node in nodes:
for interface, config in node.metadata.get('interfaces', {}).items():
for ip in config.get('ipv4', set()):
found_ips.add(ip_address(ip))
for ip in config.get('ipv4', set()):
found_ips.add(ip_address(ip))
if node.metadata.get('external_ipv4', None):
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found_ips.add(ip_address(node.metadata.get('external_ipv4')))
return found_ips