From 190607cf35712c0e79b2385b240d9bdc3d194b33 Mon Sep 17 00:00:00 2001
From: Merith <merith.tk@gmail.com>
Date: Wed, 25 Sep 2024 13:00:54 -0700
Subject: [PATCH] address dockerfile feedback, further work on entrypoint

---
 Dockerfile    |  3 +--
 entrypoint.sh | 71 ++++++++++++++++++++++++++++++++++++---------------
 2 files changed, 51 insertions(+), 23 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 6843a3a..c40304b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -38,8 +38,7 @@ LABEL maintainer="contact@forgejo.org" \
 
 ENV HOME=/data
 
-COPY entrypoint.sh /entrypoint.sh
-RUN chmod +x /entrypoint.sh
+COPY --chmod=555 entrypoint.sh /entrypoint.sh
 
 WORKDIR /data
 
diff --git a/entrypoint.sh b/entrypoint.sh
index 4fd5ae8..a11508c 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -8,36 +8,71 @@ if [[ ! -d /data ]]; then
 fi
 cd /data
 
-if [[ -z "${RUNNER_FILE}" ]]; then
-  RUNNER_FILE="/data/.runner"
-fi
+RUNNER_USERID="${RUNNER_USERID:-1000}"
 
-if [[ ! -f "${RUNNER_FILE}" ]]; then
-  touch "${RUNNER_FILE}"
+## Setup User
+if id "forgejo-runner" &>/dev/null; then
+  if [[ ! -z "${RUNNER_USERID}" ]]; then
+    echo "Changing UID of forgejo-runner to ${RUNNER_USERID}"
+    sed -i "s/^forgejo-runner:[^:]*:[^:]*:/forgejo-runner:x:${RUNNER_USERID}:/" /etc/passwd
+  fi
+else
+  echo "Creating user forgejo-runner with UID ${RUNNER_USERID}"
+  adduser --uid "${RUNNER_USERID}" --home /home/forgejo-runner --disabled-password --gecos "" forgejo-runner
 fi
+chown -R forgejo-runner:forgejo-runner /data
 
+## Handle and alter the config file
 if [[ -z "${CONFIG_FILE}" ]]; then
   CONFIG_FILE="/data/config.yml"
 fi
 CONFIG_ARG="--config ${CONFIG_FILE}"
 
+DOCKER_HOST=${DOCKER_HOST:-docker}
+echo "DOCKER_HOST: ${DOCKER_HOST}"
 if [[ ! -f "${CONFIG_FILE}" ]]; then
-  forgejo-runner generate-config > ${CONFIG_FILE}
+  su -c "forgejo-runner generate-config > ${CONFIG_FILE}" forgejo-runner
+
+  # Remove test environment variables if they exist in the config file
+  sed -i "/^    A_TEST_ENV_NAME_1:/d" ${CONFIG_FILE}
+  sed -i "/^    A_TEST_ENV_NAME_2:/d" ${CONFIG_FILE}
+
+  # apply default values for docker
+  sed -i "/\"labels\":/c\  \"labels\": [\"docker:docker://code.forgejo.org/oci/node:20-bookworm\", \"ubuntu-22.04:docker://catthehacker/ubuntu:act-22.04\"]" ${CONFIG_FILE}
+
+  sed -i "/^  network:/c\  network: host" config.yml
+  sed -i "/^  privileged:/c\  privileged: true" ${CONFIG_FILE}
+  sed -i "/^  options:/c\  options: -v /certs/client:/certs/client" config.yml
+  sed -i "/^  docker_host:/c\  docker_host: tcp://${DOCKER_HOST}:2376" ${CONFIG_FILE}
 fi
 
+if [[ ! -z "${ENV_FILE}" ]]; then
+  sed -i "/^  env_file:/c\  env_file: ${ENV_FILE}" ${CONFIG_FILE}
+else
+  ENV_FILE="/data/.env"
+fi
+if [[ ! -f "${ENV_FILE}" ]]; then
+  echo "Creating ${ENV_FILE} and populating with default values"
+  cat <<EOF > ${ENV_FILE}
+  DOCKER_TLS_VERIFY: 1
+  DOCKER_CERT_PATH: /certs/client
+EOF
+fi
+
+
 EXTRA_ARGS=""
 if [[ ! -z "${RUNNER_LABELS}" ]]; then
   EXTRA_ARGS="${EXTRA_ARGS} --labels ${RUNNER_LABELS}"
 fi
 
-# For simplicity sake, I am not using the same ENV variable names as the original script
-
+# Set the runner file
 if [[ -z "${RUNNER_FILE}" ]]; then
-  RUNNER_FILE=".runner"
+  RUNNER_FILE=".runner.json"  # use json so editors know how to highlight
 fi
 sed -i "/^  file:/c\  file: ${RUNNER_FILE}" ${CONFIG_FILE}
 
 if [[ ! -s "${RUNNER_FILE}" ]]; then
+  touch ${RUNNER_FILE}
   try=$((try + 1))
   success=0
   if [[ -z "${RUNNER_TOKEN}" ]]; then
@@ -45,22 +80,16 @@ if [[ ! -s "${RUNNER_FILE}" ]]; then
     exit 1
   fi
 
-  if [[ -z "${FORGEJO_URL}" ]]; then
-    echo "FORGEJO_URL is not set"
-    echo "Defaulting to http://forgejo:8080"
-  fi
-
-
   # The point of this loop is to make it simple, when running both forgejo-runner and gitea in docker,
   # for the forgejo-runner to wait a moment for gitea to become available before erroring out.  Within
   # the context of a single docker-compose, something similar could be done via healthchecks, but
   # this is more flexible.
   while [[ $success -eq 0 ]] && [[ $try -lt ${MAX_REG_ATTEMPTS:-10} ]]; do
-    forgejo-runner register \
-      --instance "${FORGEJO_URL:-http://forgejo:8080}" \
-      --token "${RUNNER_TOKEN}" \
-      --name "${RUNNER_NAME:-$(hostname)}" \
-      ${CONFIG_ARG} ${EXTRA_ARGS} --no-interactive 2>&1 | tee /tmp/reg.log
+    su -c "forgejo-runner register \
+      --instance \"${FORGEJO_URL:-http://forgejo:3000}\" \
+      --token \"${RUNNER_TOKEN}\" \
+      --name \"${RUNNER_NAME:-$(hostname)}\" \
+      ${CONFIG_ARG} ${EXTRA_ARGS} --no-interactive 2>&1 | tee /tmp/reg.log" forgejo-runner
 
     cat /tmp/reg.log | grep 'Runner registered successfully' >/dev/null
     if [[ $? -eq 0 ]]; then
@@ -75,4 +104,4 @@ fi
 # Prevent reading the token from the forgejo-runner process
 unset RUNNER_TOKEN
 
-forgejo-runner daemon ${CONFIG_ARG}
+su -c "forgejo-runner daemon ${CONFIG_ARG}" forgejo-runner