Revert "Remove Entrust provider from x509_certificate_pipe for now."

This reverts commit 6ee5d7d.

plugins/modules/x509_certificate_pipe.py

@@ -16,7 +16,7 @@
 short_description: Generate and/or check OpenSSL certificates
 version_added: 1.3.0
 description:
-    - It implements a notion of provider (ie. C(selfsigned), C(ownca))
+    - It implements a notion of provider (ie. C(selfsigned), C(ownca), C(entrust))
       for your certificate.
     - "Please note that the module regenerates existing certificate if it doesn't match the module's
       options, or if it seems to be corrupt. If you are concerned that this could overwrite
@@ -29,8 +29,10 @@
     provider:
         description:
             - Name of the provider to use to generate/retrieve the OpenSSL certificate.
+            - "The C(entrust) provider requires credentials for the
+               L(Entrust Certificate Services,https://www.entrustdatacard.com/products/categories/ssl-certificates) (ECS) API."
         type: str
-        choices: [ ownca, selfsigned ]
+        choices: [ entrust, ownca, selfsigned ]
         required: true
 
     content:
@@ -43,6 +45,7 @@
 
 extends_documentation_fragment:
     - community.crypto.module_certificate
+    - community.crypto.module_certificate.backend_entrust_documentation
     - community.crypto.module_certificate.backend_ownca_documentation
     - community.crypto.module_certificate.backend_selfsigned_documentation
 '''
@@ -90,6 +93,11 @@
     get_certificate_argument_spec,
 )
 
+from ansible_collections.community.crypto.plugins.module_utils.crypto.module_backends.certificate_entrust import (
+    EntrustCertificateProvider,
+    add_entrust_provider_to_argument_spec,
+)
+
 from ansible_collections.community.crypto.plugins.module_utils.crypto.module_backends.certificate_ownca import (
     OwnCACertificateProvider,
     add_ownca_provider_to_argument_spec,
@@ -131,6 +139,7 @@ def dump(self, check_mode=False):
 def main():
     argument_spec = get_certificate_argument_spec()
     argument_spec.argument_spec['provider']['required'] = True
+    add_entrust_provider_to_argument_spec(argument_spec)
     add_ownca_provider_to_argument_spec(argument_spec)
     add_selfsigned_provider_to_argument_spec(argument_spec)
     argument_spec.argument_spec.update(dict(
@@ -143,6 +152,7 @@ def main():
     try:
         provider = module.params['provider']
         provider_map = {
+            'entrust': EntrustCertificateProvider,
             'ownca': OwnCACertificateProvider,
             'selfsigned': SelfSignedCertificateProvider,
         }