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[swh-search] Deploy v0.9.0 on staging and execute a full origin and metadata reindexation

As it's the first time we will use the aliases functionality to avoid a downtime on the search during the reindexation, it deserves a task for the record For the first time it will be done manually in staging.

Actions:

  • stop puppet
  • update the packages
  • create new journal-client configurations with these properties:
    • index origin.v0.9.0
    • read alias: origin_v0.9.0-read
    • write alias: origin v0.9.0-write
  • manually start the indexers
  • when the backfill is done, update the swh-search configuration to use the new index and aliases, the webapp will use the new index It will allow to easily make a rollback if anything goes wrong as nothing is destructive
  • if it's ok
    • Update puppet to use this new configuration
    • clean the old index/read aliases

Finally after writing this, I realize the aliases are not useful with this scenario ¯_(ツ)_/¯

Migrated from T3391 (view on Phabricator)