feat(coderd/database): add UpsertProvisionerDaemons query (#11178)

Co-authored-by: Marcin Tojek <marcin@coder.com>

coderd/database/queries/provisionerdaemons.sql

@@ -4,19 +4,6 @@ SELECT
 FROM
 	provisioner_daemons;
 
--- name: InsertProvisionerDaemon :one
-INSERT INTO
-	provisioner_daemons (
-		id,
-		created_at,
-		"name",
-		provisioners,
-		tags,
-		last_seen_at
-	)
-VALUES
-	($1, $2, $3, $4, $5, $6) RETURNING *;
-
 -- name: DeleteOldProvisionerDaemons :exec
 -- Delete provisioner daemons that have been created at least a week ago
 -- and have not connected to coderd since a week.
@@ -26,3 +13,32 @@ DELETE FROM provisioner_daemons WHERE (
 	(created_at < (NOW() - INTERVAL '7 days') AND last_seen_at IS NULL) OR
 	(last_seen_at IS NOT NULL AND last_seen_at < (NOW() - INTERVAL '7 days'))
 );
+
+-- name: UpsertProvisionerDaemon :one
+INSERT INTO
+	provisioner_daemons (
+		id,
+		created_at,
+		"name",
+		provisioners,
+		tags,
+		last_seen_at,
+		"version"
+	)
+VALUES (
+	gen_random_uuid(),
+	@created_at,
+	@name,
+	@provisioners,
+	@tags,
+	@last_seen_at,
+	@version
+) ON CONFLICT("name", lower((tags ->> 'owner'::text))) DO UPDATE SET
+	provisioners = @provisioners,
+	tags = @tags,
+	last_seen_at = @last_seen_at,
+	"version" = @version
+WHERE
+	-- Only ones with the same tags are allowed clobber
+	provisioner_daemons.tags <@ @tags :: jsonb
+RETURNING *;