Add commands for "consistency group snapshot"

Add commands:
    consistency group snapshot create
    consistency group snapshot delete
    consistency group snapshot list
    consistency group snapshot show
in volume v2 (v2 only)

Change-Id: Ib4115f8ff00fb5aa8194588223032657eb1346b5
Closes-Bug: #1642238
Implements: bp cinder-command-support

1 files changed, 96 insertions, 0 deletions

diff --git a/doc/source/command-objects/consistency-group-snapshot.rst b/doc/source/command-objects/consistency-group-snapshot.rst
new file mode 100644
index 00000000..b7b1423e
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+==========================
+consistency group snapshot
+==========================
+
+Block Storage v2
+
+consistency group snapshot create
+---------------------------------
+
+Create new consistency group snapshot.
+
+.. program:: consistency group snapshot create
+.. code:: bash
+
+    os consistency group snapshot create
+        [--consistency-group <consistency-group>]
+        [--description <description>]
+        [<snapshot-name>]
+
+.. option:: --consistency-group <consistency-group>
+
+    Consistency group to snapshot (name or ID)
+    (default to be the same as <snapshot-name>)
+
+.. option:: --description <description>
+
+    Description of this consistency group snapshot
+
+.. _consistency_group_snapshot_create-snapshot-name:
+.. option:: <snapshot-name>
+
+    Name of new consistency group snapshot (default to None)
+
+consistency group snapshot delete
+---------------------------------
+
+Delete consistency group snapshot(s)
+
+.. program:: consistency group snapshot delete
+.. code:: bash
+
+    os consistency group snapshot delete
+        <consistency-group-snapshot> [<consistency-group-snapshot> ...]
+
+.. _consistency_group_snapshot_delete-consistency-group-snapshot:
+.. describe:: <consistency-group-snapshot>
+
+    Consistency group snapshot(s) to delete (name or ID)
+
+consistency group snapshot list
+-------------------------------
+
+List consistency group snapshots.
+
+.. program:: consistency group snapshot list
+.. code:: bash
+
+    os consistency group snapshot list
+        [--all-projects]
+        [--long]
+        [--status <status>]
+        [--consistency-group <consistency-group>]
+
+.. option:: --all-projects
+
+    Show detail for all projects. Admin only.
+    (defaults to False)
+
+.. option:: --long
+
+    List additional fields in output
+
+.. option:: --status <status>
+
+    Filters results by a status
+    ("available", "error", "creating", "deleting" or "error_deleting")
+
+.. option:: --consistency-group <consistency-group>
+
+    Filters results by a consistency group (name or ID)
+
+consistency group snapshot show
+-------------------------------
+
+Display consistency group snapshot details.
+
+.. program:: consistency group snapshot show
+.. code:: bash
+
+    os consistency group snapshot show
+        <consistency-group-snapshot>
+
+.. _consistency_group_snapshot_show-consistency-group-snapshot:
+.. describe:: <consistency-group-snapshot>
+
+    Consistency group snapshot to display (name or ID)