From bd0799561f8c8b2a47c289dec70d95177a9aa98e Mon Sep 17 00:00:00 2001
From: LamGC <lam827@lamgc.net>
Date: Tue, 28 Mar 2023 00:46:48 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=AE=B9=E5=99=A8=E5=86=85?=
 =?UTF-8?q?=E7=9A=84=20jenkins=20=E7=94=A8=E6=88=B7=E6=97=A0=E6=B3=95?=
 =?UTF-8?q?=E5=8A=A0=E5=85=A5=20docker=20=E7=94=A8=E6=88=B7=E7=BB=84?=
 =?UTF-8?q?=E7=9A=84=E9=97=AE=E9=A2=98=E3=80=82=20(#2)?=
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---
 Dockerfile     |  7 ++++---
 start-agent.sh | 26 ++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 3 deletions(-)
 create mode 100644 start-agent.sh

diff --git a/Dockerfile b/Dockerfile
index 6a8b15d..d68ad35 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,9 @@ FROM jenkins/inbound-agent:${BASE_TAG}
 
 USER root
 
-RUN groupadd -g 987 docker && usermod -aG docker jenkins
+COPY start-agent.sh /usr/local/bin/start.sh
+RUN chmod 755 /usr/local/bin/start.sh
+ENTRYPOINT [ "/bin/bash", "/usr/local/bin/start.sh" ]
 
 RUN apt-get update && apt-get install -y \
     ca-certificates \
@@ -16,5 +18,4 @@ RUN apt-get update && apt-get install -y \
     apt-get update && apt-get install -y docker-ce-cli docker-buildx-plugin docker-compose-plugin && \
     apt-get clean && rm -rf /var/lib/apt/lists/*
 
-USER jenkins
-
+ENV DOCKER_HOST=unix:///var/run/docker.sock
diff --git a/start-agent.sh b/start-agent.sh
new file mode 100644
index 0000000..07d3f05
--- /dev/null
+++ b/start-agent.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+if [ $(id -u) != "0" ]; then
+  echo "This script must be run as root"
+  exit 1
+fi
+
+if [ -z "$GID" ]; then
+  echo "GID is not set"
+  exit 1
+fi
+if [ -z "$UID" ]; then
+  echo "UID is not set"
+  exit 1
+fi
+if ! grep -q docker /etc/group; then
+  groupadd -g $GID docker && usermod -aG docker jenkins
+  echo "Added docker group"
+fi
+if [ $(id -u jenkins) -ne $UID ]; then
+  usermod -u $UID jenkins
+  echo "Changed jenkins UID"
+fi
+
+echo "Starting agent..."
+runuser -u jenkins -m -g docker -- /bin/bash /usr/local/bin/jenkins-agent $@