opensearch support

Dev instances

• edms dev
• indico dev
• webservices dev
• dev cern
• edms test
• webservices dev
• asr
• lcagenda

Prod instances

• archives
• asr
• discourse-archives
• edms
• egroups-archives
• indico
• lcagenda
• notifications-archives
• webservices

Migration steps:

Prepare merge request:

• Setup users/roles in to Opensearch UI: https://gitlab.cern.ch/ai/it-puppet-hostgroup-it_es/-/blob/qa/data/hostgroup/it_es/search/pub7.yaml
• Add new variable to INFRA CI to point to new cluster and image called searchSecret
• Update infra values file:
  • lock v2.0.0b2

During rollout:

• Block writes manual on nginx: Run pipelines on: !17 (closed)
• ES team go ahead with data migration and give us the green light when it's ready
• Rollout changes from this MR
• Update DB's
  • invenio alembic upgrade
  • Cleanup CI old vars last