[Module][1717]new_module_zfs_resize

.github/ISSUE_TEMPLATE/bug_issue.yml

@@ -139,6 +139,7 @@ body:
         - zos_tso_command
         - zos_unarchive
         - zos_volume_init
+        - zos_zfs_resize
     validations:
       required: false
   - type: textarea

.github/ISSUE_TEMPLATE/collaboration_issue.yml

@@ -146,5 +146,6 @@ body:
         - zos_tso_command
         - zos_unarchive
         - zos_volume_init
+        - zos_zfs_resize
     validations:
       required: false

.github/ISSUE_TEMPLATE/doc_issue.yml

@@ -83,5 +83,6 @@ body:
         - zos_tso_command
         - zos_unarchive
         - zos_volume_init
+        - zos_zfs_resize
     validations:
       required: false

.github/ISSUE_TEMPLATE/enabler_issue.yml

@@ -53,6 +53,7 @@ body:
         - zos_tso_command
         - zos_unarchive
         - zos_volume_init
+        - zos_zfs_resize
     validations:
       required: false
 

.github/ISSUE_TEMPLATE/enhancement_feature.issue.yml

@@ -51,6 +51,7 @@ body:
         - zos_tso_command
         - zos_unarchive
         - zos_volume_init
+        - zos_zfs_resize
     validations:
       required: true
 

plugins/module_utils/zfsadm.py

@@ -0,0 +1,84 @@
+# Copyright (c) IBM Corporation 2025
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+
+class zfsadm:
+    """Provides an interface to execute zfsadm commands.
+    """
+    def __init__(self, aggregate_name, module):
+        """Initialize a class with its zfs dataset and allow modules to be executed.
+        Parameters
+        ----------
+            aggregate_name : str
+                Name of the zfs dataset.
+            module : object
+                Ansible object to execute commands.
+        """
+        self.aggregate_name = aggregate_name.upper()
+        self.module = module
+
+    def execute_resizing(self, operation, size, noai, verbose):
+        """Execute a grow or shrink operation on a zfs dataset.
+
+        Parameters
+        ----------
+            operation : str
+                Whether the operation to execute is grow or shrink
+            size : int
+                Size to be assigned to the zfs
+            noai : str
+                Value for the no auto increase (noai) option when shrinking a dataset
+            verbose : str
+                Value for zfsadm's trace option specifying the output file for the command
+
+        Returns
+        -------
+            rc : int
+                The RC of the command executed.
+            stdout : str
+                The stdout of the executed command.
+            stderr : str
+                The stderr of the executed command.
+            cmd_str : str
+                The full command that was executed.
+        """
+        if operation != "grow":
+            if operation != "shrink":
+                self.module.fail_json(msg=f"There is no operator {operation}")
+
+        cmd = f"-size {size}{noai}{verbose}"
+        cmd_str = f"zfsadm {operation} -aggregate {self.aggregate_name} {cmd}"
+
+        rc, stdout, stderr = self.module.run_command(cmd_str)
+
+        return rc, stdout, stderr, cmd_str
+
+    @staticmethod
+    def get_aggregate_size(aggregate_name, module):
+        """Execute a command to get the size of a zfs dataset.
+
+        Returns
+        -------
+            rc : int
+                The rc of the executed command.
+            stdout : str
+                The stdout of the executed command
+            stderr : str
+                The stderr of the executed command.
+        """
+        cmd = f"zfsadm aggrinfo {aggregate_name}"
+
+        rc, stdout, stderr = module.run_command(cmd)
+
+        return rc, stdout, stderr