Ansible Modules for Dell Technologies Unity

The Ansible Modules for Dell Technologies (Dell) Unity allow Data Center and IT administrators to use RedHat Ansible to automate and orchestrate the configuration and management of Dell Unity arrays.

The capabilities of the Ansible modules are managing consistency groups, filesystem, filesystem snapshots, CIFS server, NAS server, NFS server, NFS export, SMB share, interface, hosts, snapshots, snapshot schedules, storage pools, user quotas, quota trees and volumes. Capabilities also include gathering facts from the array. The options available for each are list, show, create, modify and delete. These tasks can be executed by running simple playbooks written in yaml syntax. The modules are written so that all the operations are idempotent, so making multiple identical requests has the same effect as making a single request.

License

The Ansible collection for Unity is released and licensed under the GPL-3.0 license. See LICENSE for the full terms. Ansible modules and module utilities that are part of the Ansible collection for Unity are released and licensed under the Apache 2.0 license. See MODULE-LICENSE for the full terms.

Support

The Ansible collection for Unity is supported by Dell and is provided under the terms of the license attached to the collection. Please see the LICENSE section for the full terms. Dell does not provide any support for the source code modifications. For any Ansible modules issues, questions or feedback, join the Dell Automation Community.

Supported Platforms

Dell Unity Arrays version 5.1, 5.2

Prerequisites

This table provides information about the software prerequisites for the Ansible Modules for Dell Unity.

Ansible Modules	Red Hat Enterprise Linux	Python version	Python library version	Ansible
v1.4.0	8.4 8.5	3.8 3.9 3.10	1.2.11	2.11 2.12 2.13

Idempotency

The modules are written in such a way that all requests are idempotent and hence fault-tolerant. It essentially means that the result of a successfully performed request is independent of the number of times it is executed.

List of Ansible Modules for Dell Unity

Installation of SDK

Install python sdk named 'storops'. It can be installed using pip, based on appropriate python version.
```
  pip install storops
```

Building Collections

Use this command to build the collection from source code:
```
ansible-galaxy collection build
```

For more details on how to build a tar ball, please refer: Building the collection

Installing Collections

Online Installation of Collections

Use the following command to install the latest collection hosted in galaxy:
```
 ansible-galaxy collection install dellemc.unity -p <install_path>
```

Offline Installation of Collections

Download the latest tar build from any of the available distribution channel Ansible Galaxy /Automation Hub and use the following command to install the collection anywhere in your system:
```
 ansible-galaxy collection install dellemc-unity-1.4.0.tar.gz -p <install_path>
```

Set the environment variable:

 export ANSIBLE_COLLECTIONS_PATHS=$ANSIBLE_COLLECTIONS_PATHS:<install_path>

Using Collections

In order to use any Ansible module, ensure that the importing of proper FQCN (Fully Qualified Collection Name) must be embedded in the playbook. Refer to the following example:
```
collections:
- dellemc.unity
```
In order to use an installed collection specific to the task use a proper FQCN (Fully Qualified Collection Name). Refer to the following example:
```
tasks:
- name: Get Volume details
  dellemc.unity.volume
```
For generating Ansible documentation for a specific module, embed the FQCN before the module name. Refer to the following example:
```
ansible-doc dellemc.unity.info
```

Running Ansible Modules

The Ansible server must be configured with Python library for Unity to run the Ansible playbooks. The Documents provide information on different Ansible modules along with their functions and syntax. The parameters table in the Product Guide provides information on various parameters which need to be configured before running the modules.

SSL Certificate Validation

Copy the CA certificate to the "/etc/pki/ca-trust/source/anchors" path of the host by any external means.
Set the "REQUESTS_CA_BUNDLE" environment variable to the path of the SSL certificate using the command:
```
  export REQUESTS_CA_BUNDLE=/etc/pki/ca-trust/source/anchors/<<Certificate_Name>>
```
Import the SSL certificate to host using the command:
```
  update-ca-trust extract
```

If "TLS CA certificate bundle error" occurs, then follow these steps:

  cd /etc/pki/tls/certs/
  openssl x509 -in ca-bundle.crt -text -noout

Results

Each module returns the updated state and details of the entity. For example, if you are using the Volume module, all calls will return the updated details of the volume. Sample result is shown in each module's documentation.

Ansible Execution Environment

Ansible can also be installed in a container environment. Ansible Builder provides the ability to create reproducible, self-contained environments as container images that can be run as Ansible execution environments.

Install the ansible builder package using:
```
  pip3 install ansible-builder
```

Create the execution environment using:

  ansible-builder build --tag <tag_name> --container-runtime docker

After the image is built, run the container using:
```
  docker run -it <tag_name> /bin/bash
```
Verify collection installation using command:
```
  ansible-galaxy collection list
```

The playbook can be run on the container using:

  docker run --rm -v $(pwd):/runner <tag_name> ansible-playbook info_tests.yml

Maintanence

Ansible Modules for Dell Technologies Unity deprecation cycle is aligned with Ansible.

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