KR 1: Established process for tracking OS updates in line with our policy resulting with: a. Capability to generate on fly report of each service OS version and days to EOL tracker. b. Stakeholders approved agreement on OS upgrade policy.
KR 2: Two main mail servers/MXes migrated to Bullseye.
KR3: Reduce the risk of introducing breaking changes in WMCS (WikiMedia Cloud Services) while making changes on production puppet.
KR4: Prepare plan for our infrastructure resource modelling application resulted by selection of one IRM and documented evaluation of improvements.
KR5: Setup a test cluster for Ganeti and use it to test the update to Debian 10