Change Details

As per title, all hosts running Icinga should be on Buster. Ideally by FQ2 FY20-21. ``` root@cumin1001:~# cumin 'P{O:alerting_host} and not P{F:lsbdistcodename = buster}' 2 hosts will be targeted: icinga[1001,2001].wikimedia.org DRY-RUN mode enabled, aborting ``` Action plan: [x] Apply the role to alert2001 (new icinga host, T252032) [x] Verify all things are working as expected, i.e. state matches icinga1001 [x] alert latency is acceptable, cpu load is lower (hw is more powerful) etc [x] Make sure metamonitoring checks for alert[12]001 are passing [] Switchover icinga1001 -> alert2001 (enable notifications for alert2001, switch DNS) [] Enable meta monitoring notifications for alert2001 [] Reimage alert1001 (see T255072) and repeat verification steps [] Switch back alert2001 -> alert1001 [] Enable meta monitoring notifications for alert1001

As per title, all hosts running Icinga should be on Buster. Ideally by FQ2 FY20-21. ``` root@cumin1001:~# cumin 'P{O:alerting_host} and not P{F:lsbdistcodename = buster}' 2 hosts will be targeted: icinga[1001,2001].wikimedia.org DRY-RUN mode enabled, aborting ``` Action plan: [x] Apply the role to alert2001 (new icinga host, T252032) [x] Verify all things are working as expected, i.e. state matches icinga1001 [x] alert latency is acceptable, cpu load is lower (hw is more powerful) etc [x] Make sure metamonitoring checks for alert[12]001 are passing [] Switchover icinga1001 -> alert1001 (enable notifications for alert1001, switch DNS) [] Enable meta monitoring notifications for alert1001 and alert2001

As per title, all hosts running Icinga should be on Buster. Ideally by FQ2 FY20-21. ``` root@cumin1001:~# cumin 'P{O:alerting_host} and not P{F:lsbdistcodename = buster}' 2 hosts will be targeted: icinga[1001,2001].wikimedia.org DRY-RUN mode enabled, aborting ``` Action plan: [x] Apply the role to alert2001 (new icinga host, T252032) [x] Verify all things are working as expected, i.e. state matches icinga1001 [x] alert latency is acceptable, cpu load is lower (hw is more powerful) etc [x] Make sure metamonitoring checks for alert[12]001 are passing [] Switchover icinga1001 -> alert21001 (enable notifications for alert20011001, switch DNS) [] Enable meta monitoring notifications for alert2001 [] Reimage alert1001 (see T255072) and repeat verification steps [] Switch back alert2001 -> alert1001 [] Enable meta monitoring notifications for alert11001 and alert2001