From 3fde5ef21a797bfe4d73bcf588a3ac0a1e5df14b Mon Sep 17 00:00:00 2001
From: cellarspoon <cellarspoon@riseup.net>
Date: Tue, 4 Jan 2022 14:49:01 +0100
Subject: [PATCH] attempt to support private registries

---
 README.md | 2 ++
 plugin.sh | 9 ++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index d1258c1..c1c9dfa 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,8 @@ This is meant to be used as a [Drone plugin](http://plugins.drone.io/).
 - **user** (default: `drone`): System user to connect via SSH with
 - **networks** (default:): Try and auto-create these networks first
 - **rm**: (default: `false`): Remove the stack before deploying it
+- **reg_user**: Registry user if publishing from a private repository
+- **reg_pass**: Registry password if publishing from a private repository
 
 ### Dangerous options, unwise outside CI
 
diff --git a/plugin.sh b/plugin.sh
index 0544c5b..b17b43f 100755
--- a/plugin.sh
+++ b/plugin.sh
@@ -63,7 +63,14 @@ output_versions(){
 
 run_stack_deploy() {
   echo "--- start deploy ---"
-  docker -H "$REMOTE_DOCKER_HOST" stack deploy -c "$PLUGIN_COMPOSE" "$PLUGIN_STACK"
+
+  if [[ -z "${PLUGIN_REG_USER}" ]] && [[ -z "${PLUGIN_REG_PASS}" ]]; then
+    echo "--- discovered secrets, assuming private registry, logging in ---"
+    docker login -u "${PLUGIN_REG_USER}" -p "${PLUGIN_REG_PASS}"
+    docker -H "$REMOTE_DOCKER_HOST" stack deploy -c "$PLUGIN_COMPOSE" "$PLUGIN_STACK"
+  else
+    docker -H "$REMOTE_DOCKER_HOST" stack deploy -c "$PLUGIN_COMPOSE" "$PLUGIN_STACK"
+  fi
   echo "--- end deploy ---"
 }