Deploy journal client for indexed metadata

Related to T3041

Test Plan

octodiff:

bin/octocatalog-diff --to staging search1
Found host search1.internal.softwareheritage.org
WARN     -> Environment "wip-pg-hba-rules-in-yaml" contained non-word characters, correcting name to wip_pg_hba_rules_in_yaml
Cloning into '/tmp/swh-ocd.YbbctrKR/environments/production/data/private'...
done.
Cloning into '/tmp/swh-ocd.YbbctrKR/environments/staging/data/private'...
done.
*** Running octocatalog-diff on host search1.internal.softwareheritage.org
I, [2021-06-10T11:27:27.054140 #22519]  INFO -- : Catalogs compiled for search1.internal.softwareheritage.org
I, [2021-06-10T11:27:29.029138 #22519]  INFO -- : Diffs computed for search1.internal.softwareheritage.org
diff origin/production/search1.internal.softwareheritage.org current/search1.internal.softwareheritage.org
*******************************************
+ File[/etc/softwareheritage/search/journal_client_indexed.yml] =>
   parameters =>
     "content": "---\nsearch:\n  cls: elasticsearch\n  hosts:\n  - host: search-e...
     "ensure": "present",
     "group": "swhstorage",
     "mode": "0640",
     "notify": "Service[swh-search-journal-client@indexed]",
     "owner": "swhstorage"
*******************************************
+ Profile::Swh::Deploy::Search::Journal_client_instance[indexed] =>
   parameters =>
     "ensure": "running",
     "instance_name": "indexed"
*******************************************
+ Service[swh-search-journal-client@indexed] =>
   parameters =>
     "enable": true,
     "ensure": "running"
*******************************************
*** End octocatalog-diff on search1.internal.softwareheritage.org

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Migrated from D5844 (view on Phabricator)