commit fa62f7d67f1f3b8567895206dcdbfd88f5db4287
Author: Valery Tschopp <valery.tschopp@switch.ch>
Date:   Thu Oct 1 10:21:52 2020 +0200

    Add 'project_id' to Snapshot query parameters
    
    This allow to list volume snapshots filtered by project (as admin).
    
    Change-Id: I9372dd139868f726c749b4616acb7d0cdac6643c
    Task: 41002
    Story: 2008214

diff --git a/openstack/block_storage/v3/_proxy.py b/openstack/block_storage/v3/_proxy.py
index 247bf3b..d0f07f0 100644
--- a/openstack/block_storage/v3/_proxy.py
+++ b/openstack/block_storage/v3/_proxy.py
@@ -62,6 +62,7 @@ class Proxy(_base_proxy.BaseBlockStorageProxy):
 
             * name: Name of the snapshot as a string.
             * all_projects: Whether return the snapshots in all projects.
+            * project_id: Filter the snapshots by project.
             * volume_id: volume id of a snapshot.
             * status: Value of the status of the snapshot so that you can
                       filter on "available" for example.
diff --git a/openstack/block_storage/v3/snapshot.py b/openstack/block_storage/v3/snapshot.py
index 04b8e71..86e8383 100644
--- a/openstack/block_storage/v3/snapshot.py
+++ b/openstack/block_storage/v3/snapshot.py
@@ -20,7 +20,8 @@ class Snapshot(resource.Resource):
     base_path = "/snapshots"
 
     _query_mapping = resource.QueryParameters(
-        'name', 'status', 'volume_id', all_projects='all_tenants')
+        'name', 'status', 'volume_id',
+        'project_id', all_projects='all_tenants')
 
     # capabilities
     allow_fetch = True
diff --git a/openstack/tests/unit/block_storage/v3/test_snapshot.py b/openstack/tests/unit/block_storage/v3/test_snapshot.py
index ae98054..9aa3665 100644
--- a/openstack/tests/unit/block_storage/v3/test_snapshot.py
+++ b/openstack/tests/unit/block_storage/v3/test_snapshot.py
@@ -48,6 +48,7 @@ class TestSnapshot(base.TestCase):
         self.assertDictEqual({"name": "name",
                               "status": "status",
                               "all_projects": "all_tenants",
+                              "project_id": "project_id",
                               "volume_id": "volume_id",
                               "limit": "limit",
                               "marker": "marker"},