The uninstallation of Trilio is depending on the Openstack Distribution it is installed in. The high-level process is the same for all Distributions.

1. Uninstall the Horizon Plugin or the Trilio Horizon container

2. Uninstall the datamover-api container

3. Uninstall the datamover

4. Delete the Trilio Appliance Cluster

Clean Trilio Datamover API service

The following steps need to be run on all nodes, which have the Trilio Datamover API service running. Those nodes can be identified by checking the roles_data.yaml for the role that contains the entry OS::TripleO::Services::TrilioDatamoverApi.

Once the role that runs the Trilio Datamover API service has been identified will the following commands clean the nodes from the service.

Stop trilio_dmapi container.

# For RHOSP13
systemctl disable tripleo_trilio_dmapi.service
systemctl stop tripleo_trilio_dmapi.service
docker stop trilio_dmapi

# For RHOSP16 onwards
systemctl disable tripleo_trilio_dmapi.service
systemctl stop tripleo_trilio_dmapi.service
podman stop trilio_dmapi

Remove trilio_dmapi container.

# For RHOSP13
docker rm trilio_dmapi
docker rm trilio_datamover_api_init_log
docker rm trilio_datamover_api_db_sync

# For RHOSP16 onwards
podman rm trilio_dmapi
podman rm trilio_datamover_api_init_log
podman rm trilio_datamover_api_db_sync

Clean Trilio Datamover API service conf directory.

rm -rf /var/lib/config-data/puppet-generated/triliodmapi
rm /var/lib/config-data/puppet-generated/triliodmapi.md5sum

Clean Trilio Datamover API service log directory.

rm -rf /var/log/containers/trilio-datamover-api/

Clean Trilio Datamover Service

The following steps need to be run on all nodes, which have the Trilio Datamover service running. Those nodes can be identified by checking the roles_data.yaml for the role that contains the entry OS::TripleO::Services::TrilioDatamover.

Once the role that runs the Trilio Datamover service has been identified will the following commands clean the nodes from the service.

Stop trilio_datamover container.

# For RHOSP13
docker stop trilio_datamover

# For RHOSP16 onwards
systemctl disable tripleo_trilio_datamover.service
systemctl stop tripleo_trilio_datamover.service
podman stop trilio_datamover

Remove trilio_datamover container.

# For RHOSP13
docker rm trilio_datamover

# For RHOSP16 onwards
podman rm trilio_datamover

Unmount Trilio Backup Target on compute host.

## Following steps applicable for all supported RHOSP releases.

# Check triliovault backup target mount point
mount | grep trilio

# Unmount it
-- If it's NFS	(COPY UUID_DIR from your compute host using above command)
umount /var/lib/nova/triliovault-mounts/<UUID_DIR>

-- If it's S3
umount /var/lib/nova/triliovault-mounts

# Verify that it's unmounted		
mount | grep trilio
	
df -h  | grep trilio

# Remove mount point directory after verifying that backup target unmounted successfully.
# Otherwise actual data from backup target may get cleaned.	

rm -rf /var/lib/nova/triliovault-mounts

Clean Trilio Datamover service conf directory.

rm -rf /var/lib/config-data/puppet-generated/triliodm/
rm /var/lib/config-data/puppet-generated/triliodm.md5sum

Clean log directory of Trilio Datamover service.

rm -rf /var/log/containers/trilio-datamover/

Clean Trilio haproxy resources

The following steps need to be run on all nodes, which have the haproxy service running. Those nodes can be identified by checking the roles_data.yaml for the role that contains the entry OS::TripleO::Services::HAproxy.

Once the role that runs the haproxy service has been identified will the following commands clean the nodes from all Trilio resources.

Edit the following file inside the haproxy container and remove all Trilio entries.

/var/lib/config-data/puppet-generated/haproxy/etc/haproxy/haproxy.cfg

An example of these entries is given below.

listen trilio_datamover_api
  bind 172.25.3.60:13784 transparent ssl crt /etc/pki/tls/private/overcloud_endpoint.pem
  bind 172.25.3.60:8784 transparent
  http-request set-header X-Forwarded-Proto https if { ssl_fc }
  http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
  http-request set-header X-Forwarded-Port %[dst_port]
  option httpchk
  option httplog
  server overcloud-controller-0.internalapi.localdomain 172.25.3.59:8784 check fall 5 inter 2000 rise 2

Restart the haproxy container once all edits have been done.

# For RHOSP13
docker restart haproxy-bundle-docker-0

# For RHOSP16 onwards
podman restart haproxy-bundle-podman-0

Clean Trilio Keystone resources

Trilio registers services and users in Keystone. Those need to be unregistered and deleted.

openstack service delete dmapi
openstack user delete dmapi

Clean Trilio database resources

Trilio creates a database for the dmapi service. This database needs to be cleaned.

Login into the database cluster

## On RHOSP13, run following command on node where database service runs
docker exec -ti -u root galera-bundle-docker-0 mysql -u root

## On RHOSP16
podman exec -it galera-bundle-podman-0 mysql -u root

Run the following SQL statements to clean the database.

## Clean database
DROP DATABASE dmapi;

## Clean dmapi user
=> List 'dmapi' user accounts
MariaDB [mysql]> select user, host from mysql.user where user='dmapi';
+-------+-------------+
| user  | host        |
+-------+-------------+
| dmapi | 172.25.2.10 |
| dmapi | 172.25.2.8  |
+-------+-------------+
2 rows in set (0.00 sec)

=> Delete those user accounts
MariaDB [mysql]> DROP USER dmapi@172.25.2.10;
Query OK, 0 rows affected (0.82 sec)

MariaDB [mysql]> DROP USER dmapi@172.25.2.8;
Query OK, 0 rows affected (0.05 sec)

=> Verify that dmapi user got cleaned
MariaDB [mysql]> select user, host from mysql.user where user='dmapi';
Empty set (0.00 sec)

Revert overcloud deploy command

Remove the following entries from roles_data.yaml used in the overcloud deploy command.

• OS::TripleO::Services::TrilioDatamoverApi

• OS::TripleO::Services::TrilioDatamover

Follow these steps to clean the overcloud deploy command from all Trilio entries.

1. Remove trilio_env.yaml entry

2. Remove trilio endpoint map file Replace with original map file if existing

Revert back to original RHOSP Horizon container

Run the cleaned overcloud deploy command.

Destroy the Trilio VM Cluster

List all VMs running on the KVM node

virsh list

Destroy the Trilio VMs

virsh destroy <Trilio VM Name or ID>

Undefine the Trilio VMs

virsh undefine <Trilio VM name>

Delete the TrlioVault VM disk from KVM Host storage

Uninstall Trilio Services

The Trilio Ansible OpenStack playbook can be run to uninstall the Trilio services.

Destroy Trilio Datamover API container

To cleanly remove the Trilio Datamover API container run the following Ansible playbook.

Clean openstack_user_config.yml

Remove the tvault-dmapi_hosts and tvault_compute_hosts entries from /etc/openstack_deploy/openstack_user_config.yml

Remove Trilio haproxy settings in user_variables.yml

Remove Trilio Datamover API settings from /etc/openstack_deploy/user_variables.yml

Remove Trilio Datamover API inventory file

Remove Trilio Datamover API service endpoints

Delete Trilio Datamover API database and user

• Go inside galera container.

• Login as root user in mysql database engine.

• Drop dmapi database.

• Drop dmapi user

Remove dmapi rabbitmq user from rabbitmq container

• Go inside rabbitmq container.

• Delete dmapi user.

• Delete dmapi vhost.

Clean haproxy

Remove /etc/haproxy/conf.d/datamover_service file.

Remove HAproxy configuration entry from /etc/haproxy/haproxy.cfg file.

Restart the HAproxy service.

Remove certificates from Compute nodes

Destroy the Trilio VM Cluster

List all VMs running on the KVM node

Destroy the Trilio VMs

Undefine the Trilio VMs

Delete the TrlioVault VM disk from KVM Host storage

Clean triliovault_datamover_api container

The container needs to be cleaned on all nodes where the triliovault_datamover_api container is running. The Kolla Openstack inventory file helps to identify the nodes with the service.

Following steps need to be done to clean the triliovault_datamover_api container:

Stop the triliovault_datamover_api container.

docker stop triliovault_datamover_api

Remove the triliovault_datamover_api container.

docker rm triliovault_datamover_api

Clean /etc/kolla/triliovault-datamover-api directory.

rm -rf /etc/kolla/triliovault-datamover-api

Clean log directory of triliovault_datamover_api container.

rm -rf /var/log/kolla/triliovault-datamover-api/

Clean triliovault_datamover container

The container needs to be cleaned on all nodes where the triliovault_datamover container is running. The Kolla Openstack inventory file helps to identify the nodes with the service.

Following steps need to be done to clean the triliovault_datamover container:

Stop the triliovault_datamover container.

docker stop triliovault_datamover

Remove the triliovault_datamover container.

docker rm triliovault_datamover

Clean /etc/kolla/triliovault-datamover directory.

rm -rf /etc/kolla/triliovault-datamover

Clean log directory of triliovault_datamover container.

rm -rf /var/log/kolla/triliovault-datamover/

Clean haproxy of Trilio Datamover API

The Trilio Datamover API entries need to be cleaned on all haproxy nodes. The Kolla Openstack inventory file helps to identify the nodes with the service.

Following steps need to be done to clean the haproxy container:

rm /etc/kolla/haproxy/services.d/triliovault-datamover-api.cfg
docker restart haproxy

Clean Kolla Ansible deployment procedure

Delete all Trilio related entries from:

Trilio entries can be found in:

Revert to original Horizon container

Run deploy command to replace the Trilio Horizon container with original Kolla Ansible Horizon container.

kolla-ansible -i multinode deploy

Clean Keystone resources

Trilio created a dmapi service with dmapi user.

openstack service delete dmapi
openstack user delete dmapi

Clean Trilio database resources

Trilio Datamover API service has its own database in the Openstack database.

Login to Openstack database as root user or user with similar priviliges.

mysql -u root -p

Delete dmapi database and user.

DROP DATABASE dmapi;
DROP USER dmapi;

Destroy the Trilio VM Cluster

List all VMs running on the KVM node

virsh list

Destroy the Trilio VMs

virsh destroy <Trilio VM Name or ID>

Undefine the Trilio VMs

virsh undefine <Trilio VM name>

Delete the TrlioVault VM disk from KVM Host storage