From 72a5ae8a09f43b8de1739965a1f5f002e3f78860 Mon Sep 17 00:00:00 2001
From: DEvil0000 <DEvil0000@users.noreply.github.com>
Date: Fri, 21 Jan 2022 22:11:51 +0100
Subject: [PATCH] added option to not register/unregister every start/stop but
 reuse a runner config instead

---
 README.md |  5 +++++
 start.sh  | 10 +++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 58f2510..dee5002 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,10 @@ The container expects the following environment variables:
 
 `CONCURRENT` - Limits how many jobs can run concurrently (default 1)
 
+`UNREGISTER_ON_EXIT` - set this in case you want to unregister the runner on container stop (default not set)
+
+`REGISTER_ON_ENTER` - set this in case you want to register the runner on container start (default not set)
+
 ### [Openstack variables](https://docs.openstack.org/python-openstackclient/latest/cli/man/openstack.html#environment-variables)
 
 `OS_AUTH_URL` - Openstack authentication URL
@@ -108,6 +112,7 @@ Run a container:
 podman run -it \
            -e PRIVATE_KEY="$(cat <private key filename>)"
            --env-file=env.txt \
+           -v ~/runner.toml:/home/gitlab-runner/.gitlab-runner/config.toml
            quay.io/redhatqe/openstack-gitlab-runner:latest
 ```
 
diff --git a/start.sh b/start.sh
index d840fb0..b2e50ca 100644
--- a/start.sh
+++ b/start.sh
@@ -3,7 +3,11 @@
 trap cleanup 1 2 3 6
 
 cleanup() {
-    gitlab-runner unregister --all-runners
+    if [[ "$UNREGISTER_ON_EXIT" ]]; then
+        gitlab-runner unregister --all-runners
+    else
+        gitlab-runner stop
+    fi
     sleep 5
 }
 
@@ -14,12 +18,16 @@ fi
 
 echo "$PRIVATE_KEY" > "$HOME"/priv_key
 
+if [[ "$REGISTER_ON_ENTER" ]]; then
 gitlab-runner register --non-interactive \
                        --executor=custom \
                        --custom-config-exec="$HOME"/config.sh \
                        --custom-prepare-exec="$HOME"/prepare.py \
                        --custom-run-exec="$HOME"/run.py \
                        --custom-cleanup-exec="$HOME"/cleanup.py
+else
+    gitlab-runner start
+fi
 
 if [[ "$CONCURRENT" ]]; then
     sed -i "s/concurrent = .*/concurrent = $CONCURRENT/g" "$HOME"/.gitlab-runner/config.toml