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The current loop here uses the ansible_host value of the ZK servers, which we have set to the IPv4 address in the inventory. nb03 is constantly dropping out of ZK; for the record the logs record: 2021-04-21 05:56:15,151 WARNING kazoo.client: Connection dropped: socket connection error: Connection reset by peer 2021-04-21 05:56:15,151 WARNING kazoo.client: Transition to CONNECTING 2021-04-21 05:56:15,151 INFO kazoo.client: Zookeeper connection lost 2021-04-21 05:56:15,152 INFO kazoo.client: Connecting to 184.108.40.206(220.127.116.11):2281, use_ssl: True 2021-04-21 05:56:15,176 INFO kazoo.client: Zookeeper connection established, state: CONNECTED and this happens every few minutes. This cloud does IPv4 behind a NAT and it seems very likely this is related. So the primary motivation here is to see if using IPv6 clears this up, giving us some datapoints. However I think that our other nodepool hosts should all be fine to use ZK over IPv6. However, I think in the gate we may have cases where hosts don't have IPv6 addresses, so this looks for the v6 address and if not found, falls back to the current ansible_host behaviour. Change-Id: Ifde86ddd632662f36bcbe2a0dc99660f06b01ac3
|1 year ago|
|__init__.py||2 years ago|
|make_nodepool_zk_hosts.py||1 year ago|