Why action is to be taken ?

We are running elasticsearch:6.2.3, which is old and uses removed and deprecated API calls

>> Gitlab issue is: https://gitlab.greenpeace.org/gp/git/global-apps/cms/planet4/documentation-and-issues/-/issues/632

What needs to be done ?

Upgrade the elastic stack to a maintainable version: https://github.com/greenpeace/planet4-helm-elasticsearch

• Look into current elastic stack setup
• Make a plan to upgrade the stack
• Upgrade test and finetune vars
• Upgrade prod and review inner-workings

What successful result look like ?

Elastic is upgraded in P4 since a few years