nomad node-drain rescheduled all completed periodic tasks

[mitchellh]

Nomad version

0.3.2

Operating system and Environment details

Ubuntu 14.04 LTS (all clients and servers)

Issue

I modified some system settings and brought up a new Nomad client (new instance). I did a nomad drain on the other Nomad client. It immediately scheduled seemingly dozens of periodic tasks that had completed, onto the new node. I can verify based on the logs that they all re-ran.

Reproduction steps

1. Start a single server, single client
2. Create a periodic job, let it run for awhile, at least a dozen times
3. Start a second client, no allocations go to it (they're all happy on the first client)
4. Drain the first client, run nomad node-status on the new client, see all periodic tasks re-enter "pending" state with desired state "run"

[github-actions]

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