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switchover icinga.wikimedia.org from einsteinium to tegmen
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Description

In order to continue having a monitoring host while T148506 is ongoing and in order to be prepared for the worse we should not rely on einsteinium while there are works ongoing. Switching over to tegmen should be relatively easy

Event Timeline

Change 349171 had a related patch set uploaded (by Alexandros Kosiaris):
[operations/puppet@production] Switch einsteinium and tegmen roles

https://gerrit.wikimedia.org/r/349171

Change 349184 had a related patch set uploaded (by Alexandros Kosiaris):
[operations/dns@master] Switchover icinga.wikimedia.org to tegmen

https://gerrit.wikimedia.org/r/349184

Change 349171 merged by Alexandros Kosiaris:
[operations/puppet@production] Switch einsteinium and tegmen roles

https://gerrit.wikimedia.org/r/349171

Change 349184 merged by Alexandros Kosiaris:
[operations/dns@master] Switchover icinga.wikimedia.org to tegmen

https://gerrit.wikimedia.org/r/349184

After a long day and a rabbithole, along with some unwanted pages, this is done.

Change 358962 had a related patch set uploaded (by Alexandros Kosiaris; owner: Alexandros Kosiaris):
[operations/puppet@production] Revert "Switch einsteinium and tegmen roles"

https://gerrit.wikimedia.org/r/358962

Change 358962 merged by Alexandros Kosiaris:
[operations/puppet@production] Revert "Switch einsteinium and tegmen roles"

https://gerrit.wikimedia.org/r/358962