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TECHNICAL_DETAILS.md

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Accounts Setup

Component Username Password Origin
Solr admin@choruselectronics.com password chorus-realm.json
Solr admin password security.json
Solr solr SolrRocks security.json
Quepid admin@choruselectronics.com password chorus-realm.json
Quepid admin@choruselectronics.com password quickstart.sh
Grafana admin@choruselectronics.com password quickstart.sh
Keycloak admin password docker-compose.yml
MySQL root password docker-compose.yml

blockUnknown is false as we want to let RRE (now removed from Chorus) run against the ecommerce collection. We have locked down in security.json to allow anonymous users only to hit the /ecommerce/select/ end point

When you bring up Solr Admin and then are redirected to Keycloak, when you register and sent back to Solr you are given the solr-admin role.

Looking at DB:

So, connect to your smui_db via localhost:3306, with username root, and password password.

Loading Data into Solr

curl 'http://localhost:8983/solr/ecommerce/update?commit=true' --data-binary @solr/products.json -H 'Content-type:application/json'

We created a custom update processor to deal with date formats via:

curl http://localhost:8983/solr/ecommerce/config -H 'Content-type:application/json' -d '
{                                                                               
  "add-updateprocessor" :
  {
    "name" : "formatDateUpdateProcessor",
    "class": "solr.ParseDateFieldUpdateProcessorFactory",
    "format":["yyyy-MM-dd"]
  }
}'

Setting up Quepid

Create a user with the email demo@example.com and the password password:

docker-compose run quepid bundle exec thor user:create -a demo@example.com "Demo User" password

For Quepid case, pick name for title, and id for identifier. Add thumb:imageUrl to the list of fields.

Monitoring Details

Prometheus and Grafana setup heavily inspired by https://github.com/vegasbrianc/prometheus and https://github.com/chatman/solr-grafana-docker

We update the /grafana/provisioning/dashboards/solr-dashboard_rev7.json to replace ${DS_PROMETHEUS} with Prometheus

We imported the dashboard https://grafana.com/grafana/dashboards/10306 for Rails. Could not get Puma metrics to be gathered by prometheus however.

We created admin@choruselectronics.com / password in quickstart.sh.

The two prometheus exporters run at http://localhost:9394/metrics and http://localhost:9854/metrics.

The monitoring should probably be on it's own network ;-)

Jaeger for distributed Tracing Details

The tracing in Solr is set up for demo purposes, using the JAEGER_SAMPLER_TYPE=const and JAEGER_SAMPLER_PARAM=1 only makes sense in a toy deployment!

For Solr we use the UDP method, however for Blacklight we use the HTTP method for pushing data to Jaeger. We are only part of the way (I think!) to using OpenTelemetry protocols w Jaeger.

Keycloak

Lots going on here! We have migrated to the Quarkus version, which promises better startup times, but we don't use the production version, so we get a 12 second start up penalty ;-(.

https://github.com/eabykov/keycloak-compose for ideas.

Keycloak in non localhost wants SSL, so make sure to disable it in the administration tool.

In the "master" realm, over login tab. Change 'Require SSL' property to none.

To update our Keycloak set up (like add new users or clients) the pattern we've used is to just log into the Keycloak UI and make the changes. Then, use Docker CLI to log in, and use the kc.sh:

./kc.sh export --users realm_file --dir /opt/keycloak/data/export/

Then cat the contents of /opt/keycloak/data/export/chorus-realm.json and paste it into our local copy of the file.