Setup-Gitlab-Runner-at-IHEP.md

@@ -11,10 +11,14 @@ In IHEP cluster:
 
 * Choose a path for the runner with enough disk space. For example '/scratchfs'. 
 * Create a directory named 'ihep-gitlab-runner' and cd to it.
+  * Use `realpath` to get the real directory. 
+  * Some user paths are soft links, which will cause apptainer can't access the storage. 
 * Copy the script '~lint/setup-gitlab-runner.sh' to current directoy. 
 * Edit this script
   * Change RUNNER_TOP_DIR to the current directory. 
   * Change APPTAINER_BINDPATH and add the necessary mount path, such as '/cvmfs,/afs,/scratchfs'
+* Create a soft link `$HOME/.gitlab-runner` to the previous path. 
+  * The reason is that AFS will be locked when the keberos token is expired. 
 * Register with token
   * `bash setup-gitlab-runner.sh new glrt-XXXXXXXXXXXXXXXX`
 * Start the instance