89 lines
2.7 KiB
Python
89 lines
2.7 KiB
Python
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from ipaddress import ip_address, ip_network, IPv4Address, IPv4Network
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from bundlewrap.exceptions import NoSuchGroup, NoSuchNode, BundleError
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from bundlewrap.utils.text import bold, red
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from bundlewrap.utils.ui import io
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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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ip = ip_network(identifier)
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if isinstance(ip, IPv4Network):
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return {'ipv4': {ip}, 'ipv6': set()}
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else:
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return {'ipv4': set(), 'ipv6': {ip}}
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except Exception as e:
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io.stderr('{x} {t} Exception while resolving "{i}": {e}'.format(
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x=red('✘'),
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t=bold('libs.tools.resolve_identifier'),
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i=identifier,
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e=str(e),
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))
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raise
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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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ip_dict = {
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'ipv4': set(),
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'ipv6': set(),
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}
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for ip in found_ips:
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if isinstance(ip, IPv4Address):
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ip_dict['ipv4'].add(ip)
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else:
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ip_dict['ipv6'].add(ip)
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return ip_dict
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def remove_more_specific_subnets(input_subnets) -> list:
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final_subnets = []
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for subnet in sorted(input_subnets):
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source = ip_network(subnet)
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if not source in final_subnets:
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subnet_found = False
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for dest_subnet in final_subnets:
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if source.subnet_of(dest_subnet):
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subnet_found = True
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if not subnet_found:
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final_subnets.append(source)
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out = []
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for net in final_subnets:
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out.append(str(net))
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return out
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def require_bundle(node, bundle, hint=''):
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# It's considered bad style to use assert statements outside of tests.
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# That's why this little helper function exists, so we have an easy
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# way of defining bundle requirements in other bundles.
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if not node.has_bundle(bundle):
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raise BundleError(f'{node.name} requires bundle {bundle}, but wasn\'t found! {hint}')
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