From d9b8fb6877f9d9c29ba11a78ea37ea735398d55d Mon Sep 17 00:00:00 2001
From: Milena Zlaticanin <60530402+Zlaticanin@users.noreply.github.com>
Date: Fri, 23 Dec 2022 17:14:41 -0600
Subject: [PATCH] MongoDB - Fix write_concern param (#18546)

* fix writeconcern defaulting to majority

* add changelog

* restart CI tests

* fix tests

* add package
---
 changelog/18546.txt                 |  3 +++
 plugins/database/mongodb/mongodb.go | 12 +++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 changelog/18546.txt

diff --git a/changelog/18546.txt b/changelog/18546.txt
new file mode 100644
index 000000000..48bc906d5
--- /dev/null
+++ b/changelog/18546.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+database/mongodb: Fix writeConcern set to be applied to any query made on the database
+```
\ No newline at end of file
diff --git a/plugins/database/mongodb/mongodb.go b/plugins/database/mongodb/mongodb.go
index 13231fdef..6cb511b89 100644
--- a/plugins/database/mongodb/mongodb.go
+++ b/plugins/database/mongodb/mongodb.go
@@ -210,9 +210,19 @@ func (m *MongoDB) DeleteUser(ctx context.Context, req dbplugin.DeleteUserRequest
 		db = "admin"
 	}
 
+	// Set the write concern. The default is majority.
+	writeConcern := writeconcern.New(writeconcern.WMajority())
+	opts, err := m.getWriteConcern()
+	if err != nil {
+		return dbplugin.DeleteUserResponse{}, err
+	}
+	if opts != nil {
+		writeConcern = opts.WriteConcern
+	}
+
 	dropUserCmd := &dropUserCommand{
 		Username:     req.Username,
-		WriteConcern: writeconcern.New(writeconcern.WMajority()),
+		WriteConcern: writeConcern,
 	}
 
 	err = m.runCommandWithRetry(ctx, db, dropUserCmd)