# Uninstalling from Ansible OpenStack

## Uninstall Trilio Services

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

```
cd /opt/openstack-ansible/playbooks
openstack-ansible os-tvault-install.yml --tags "tvault-all-uninstall"
```

## Destroy Trilio Datamover API container

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

```
cd /opt/openstack-ansible/playbooks
openstack-ansible lxc-containers-destroy.yml --limit "DMPAI CONTAINER_NAME"
```

## Clean openstack\_user\_config.yml

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

```
#tvault-dmapi
tvault-dmapi_hosts:
  infra-1:
    ip: 172.26.0.3
  infra-2:
    ip: 172.26.0.4
    
#tvault-datamover
tvault_compute_hosts:
  infra-1:
    ip: 172.26.0.7
  infra-2:
    ip: 172.26.0.8
```

## Remove Trilio haproxy settings in user\_variables.yml

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

```
# Datamover haproxy setting
haproxy_extra_services:
  - service:
      haproxy_service_name: datamover_service
      haproxy_backend_nodes: "{{ groups['dmapi_all'] | default([]) }}"
      haproxy_ssl: "{{ haproxy_ssl }}"
      haproxy_port: 8784
      haproxy_balance_type: http
      haproxy_backend_options:
        - "httpchk GET / HTTP/1.0\\r\\nUser-agent:\\ osa-haproxy-healthcheck"
```

## Remove Trilio Datamover API inventory file

```
rm /opt/openstack-ansible/inventory/env.d/tvault-dmapi.yml
```

## Remove Trilio Datamover API service endpoints

```
 source cloudadmin.rc
 openstack endpoint delete "internal datamover service endpoint_id"
 openstack endpoint delete "public datamover service endpoint_id"
 openstack endpoint delete "admin datamover service endpoint_id"
```

## 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

```
lxc-attach -n "GALERA CONTAINER NAME"
mysql -u root -p "root password"
DROP DATABASE dmapi;
DROP USER dmapi;
```

## Remove dmapi rabbitmq user from rabbitmq container

* Go inside rabbitmq container.
* Delete dmapi user.
* Delete dmapi vhost.

```
lxc-attach -n "RABBITMQ CONTAINER NAME"
rabbitmqctl delete_user dmapi
rabbitmqctl delete_vhost /dmapi
```

## Clean haproxy

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

```
rm  /etc/haproxy/conf.d/datamover_service
```

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

```
frontend datamover_service-front-1
    bind ussuriubuntu.triliodata.demo:8784 ssl crt /etc/ssl/private/haproxy.pem ciphers ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:RSA+AESGCM:RSA+AES:!aNULL:!MD5:!DSS
    option httplog
    option forwardfor except 127.0.0.0/8
    reqadd X-Forwarded-Proto:\ https
    mode http
    default_backend datamover_service-back

frontend datamover_service-front-2
    bind 172.26.1.2:8784
    option httplog
    option forwardfor except 127.0.0.0/8
    mode http
    default_backend datamover_service-back


backend datamover_service-back
    mode http
    balance leastconn
    stick store-request src
    stick-table type ip size 256k expire 30m
    option forwardfor
    option httplog
    option httpchk GET / HTTP/1.0\r\nUser-agent:\ osa-haproxy-healthcheck


    server controller_dmapi_container-bf17d5b3 172.26.1.75:8784 check port 8784 inter 12000 rise 1 fall 1
```

Restart the HAproxy service.

```
systemctl restart haproxy
```

## Remove certificates from Compute nodes

```
rm -rf /opt/config-certs/rabbitmq
rm -rf /opt/config-certs/s3
```

## 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