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| Variable | Default Value | Purpose |
|---|---|---|
DROOT | /data | The root of the directory tree for volumes shared with the containers. |
DOMAIN | akraino.demo | The domain under which all these containers run. |
PREFIX | arc | The prefix used when naming the Docker containers. |
PW | abc123 | The password used for the databases. |
NETWORK | ${PREFIX}-net | The name of the Docker network that all containers run on. |
CERTDIR | ${DROOT}/nginx/cert | Alternate directory to pass to NGiNX for the SSL certificates. |
API_IMAGE | nexus3.akraino.org:10003/akraino/arc_api:latest | The Docker image used for the API server. |
AF_IMAGE | nexus3.akraino.org:10003/akraino/airflow:latest | The Docker image used for the Apache Airflow workflow engine. |
DB_IMAGE | mariadb:10.4 | The Docker image used for the database. |
LDAP_IMAGE | osixia/openldap:1.2.34 | The Docker image used for the LDAP server. |
The copy of NGiNX internal to the Regional Controller will only allow HTTPS (port 443) access. It comes with some built in SSL certificates, that are self-signed and are for the domain arc.akraino.demo. These are intended for demo use only; you will probably want to get your own certificates. To replace the default certificates, set the $CERTDIR variable to the directory containing your certificates. These MUST be named akraino.crt and akraino.key.
Internal Structure of the
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Regional Controller
The regional controller consists internally of ten docker containers. The following diagram shows the internal flow of communication.
