33 lines
1 KiB
Python
33 lines
1 KiB
Python
from bundlewrap.exceptions import NoSuchGroup, NoSuchNode
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from ipaddress import ip_address
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def resolve_identifier(repo, identifier):
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"""
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Try to resolve an identifier (group or node). Return a set of ip
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addresses valid for this identifier.
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"""
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try:
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nodes = {repo.get_node(identifier)}
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except NoSuchNode:
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try:
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nodes = repo.nodes_in_group(identifier)
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except NoSuchGroup:
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try:
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return {ip_address(identifier)}
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except:
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return set()
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found_ips = set()
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for node in nodes:
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for interface, config in node.metadata.get('interfaces', {}).items():
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for ip in config.get('ips', set()):
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if '/' in ip:
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found_ips.add(ip_address(ip.split('/')[0]))
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else:
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found_ips.add(ip_address(ip))
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if node.metadata.get('external_ipv4', None):
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found_ips.add(ip_address(node.metadata.get('external_ipv4')))
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return found_ips
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