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authorDevan Goodwin <dgoodwin@redhat.com>2016-11-24 10:00:29 -0400
committerDevan Goodwin <dgoodwin@redhat.com>2016-11-30 09:41:06 -0400
commit5c24cf417b08e0b427435d1bd5d27a4b03467092 (patch)
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Cleanup ovs file and restart docker on every upgrade.
In 3.3 one of our services lays down a systemd drop-in for configuring Docker networking to use lbr0. In 3.4, this has been changed but the file must be cleaned up manually by us. However, after removing the file docker requires a restart. This had big implications particularly in containerized environments where upgrade is a very fragile series of upgrading and service restarts. To avoid double docker restarts, and thus double service restarts in containerized environments, this change does the following: - Skip restart during docker upgrade, if it is required. We will restart on our own later. - Skip containerized service restarts when we upgrade the services themselves. - Clean shutdown of all containerized services. - Restart Docker. (always, previously this only happened if it needed an upgrade) - Ensure all containerized services are restarted. - Restart rpm node services. (always) - Mark node schedulable again. At the end of this process, docker0 should be back on the system.
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