Expose demotion database gate as OCF parameter

tests/test-demote-database-parameter.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)"
+FILE="$ROOT/ocf/loxthelion/managed-container.d/applications/postgresql/plugin.sh"
+
+grep -q \
+  'OCF_RESKEY_demote_database_gate_default="false"' \
+  "$FILE"
+
+grep -q \
+  ': "${OCF_RESKEY_demote_database_gate:=' \
+  "$FILE"
+
+grep -q \
+  'DEMOTE_DATABASE_GATE="${OCF_RESKEY_demote_database_gate}"' \
+  "$FILE"
+
+grep -q \
+  'export MC_DEMOTE_DATABASE_GATE="${DEMOTE_DATABASE_GATE}"' \
+  "$FILE"
+
+grep -q \
+  'demote_database_gate must be true or false' \
+  "$FILE"
+
+grep -q \
+  '<parameter name="demote_database_gate"' \
+  "$FILE"
+
+grep -q \
+  '<content type="boolean" default="false"/>' \
+  "$FILE"
+
+echo "DEMOTE_DATABASE_PARAMETER_TEST_PASS=1"