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register_peers will now raise errors if you attempt to reverse or loop

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This commit is contained in:
Jeff Bradberry 2022-01-10 15:48:17 -05:00
parent 5ffe91f069
commit 9c9c1b4d3b
1 changed files with 12 additions and 0 deletions
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12
awx/main/management/commands/register_peers.py
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@ -35,6 +35,18 @@ class Command(BaseCommand):
if options['exact'] and options['disconnect']:
raise CommandError("The option --disconnect may not be used with --exact.")
# No 1-cycles
for collection in ('peers', 'disconnect', 'exact'):
if options['source'] in options[collection]:
raise CommandError(f"Source node {options['source']} may not also be in --{collection}.")
# No 2-cycles
if options['peers'] or options['exact']:
peers = set(options['peers'] or options['exact'])
incoming = set(InstanceLink.objects.filter(target=nodes[options['source']]).values_list('source__hostname', flat=True))
if peers & incoming:
raise CommandError(f"Source node {options['source']} cannot link to nodes already peering to it: {peers & incoming}.")
if options['peers']:
missing_peers = set(options['peers']) - set(nodes)
if missing_peers: