production: Migrate loader-directory to use dynamic storage rw instance

Only test it on one loader for now to incrementally test it's ok.

make swh-helm-diff

[swh] Comparing changes between branches production and migrate-rw-storage-clients (per environment)...
Your branch is up to date with 'origin/production'.
[swh] Generate config in production branch for environment staging, namespace swh...
[swh] Generate config in production branch for environment staging, namespace swh-cassandra...
[swh] Generate config in production branch for environment staging, namespace swh-cassandra-next-version...
[swh] Generate config in migrate-rw-storage-clients branch for environment staging...
[swh] Generate config in migrate-rw-storage-clients branch for environment staging...
[swh] Generate config in migrate-rw-storage-clients branch for environment staging...
Your branch is up to date with 'origin/production'.
[swh] Generate config in production branch for environment production, namespace swh...
[swh] Generate config in production branch for environment production, namespace swh-cassandra...
[swh] Generate config in production branch for environment production, namespace swh-cassandra-next-version...
[swh] Generate config in migrate-rw-storage-clients branch for environment production...
[swh] Generate config in migrate-rw-storage-clients branch for environment production...
[swh] Generate config in migrate-rw-storage-clients branch for environment production...


------------- diff for environment staging namespace swh -------------

No differences


------------- diff for environment staging namespace swh-cassandra -------------

No differences


------------- diff for environment staging namespace swh-cassandra-next-version -------------

No differences


------------- diff for environment production namespace swh -------------

--- /tmp/swh-chart.swh.AKGO5Fyc/production-swh.before   2024-01-25 07:37:01.182345650 +0100
+++ /tmp/swh-chart.swh.AKGO5Fyc/production-swh.after    2024-01-25 07:37:01.674341414 +0100
@@ -4400,21 +4400,21 @@
           directory_entries: 12000
           extid: 1000
           release: 1000
           release_bytes: 52428800
           revision: 1000
           revision_bytes: 52428800
           revision_parents: 2000
       - cls: filter
       - cls: retry
       - cls: remote
-        url: http://saam.internal.softwareheritage.org:5002
+        url: http://storage-read-write-rpc-ingress
     celery:
       task_broker: amqp://swhconsumer:${AMQP_PASSWORD}@rabbitmq.internal.softwareheritage.org:5672/%2f
       task_acks_late: false
       task_queues:
       - swh.loader.core.tasks.LoadTarballDirectory

       sentry_settings_for_celery_tasks:
         __sentry-settings-for-celery-tasks__
     metadata_fetcher_credentials:
       __metadata-fetcher-credentials__
@@ -25508,21 +25508,21 @@
   strategy:
     type: RollingUpdate
     rollingUpdate:
       maxSurge: 1
   template:
     metadata:
       labels:
         app: loader-directory
       annotations:
         # Force a rollout upgrade if the configuration changes
-        checksum/config: 6fef31db2074bdb39102720b4e99e51b828cea62e4dd92e3e67da490f9449df5
+        checksum/config: 75c4e2341abad85fed9062872953dedfcd3a5a91fdf1d1329fc0beb104be63a1
     spec:
       affinity:
         nodeAffinity:
           requiredDuringSchedulingIgnoredDuringExecution:
             nodeSelectorTerms:
             - matchExpressions:
               - key: swh/loader
                 operator: In
                 values:
                 - "true"


------------- diff for environment production namespace swh-cassandra -------------

No differences

Refs. swh/infra/sysadm-environment#5215 (closed)