Enforce limit to pipeline name length.

entrypoint.sh

@@ -69,6 +69,7 @@ case "$1" in
   "pipeline")
     cd pipeline
     export PIPELINE_NAME="${PIPELINE_NAME:-${PIPELINE_PREFIX}-$(hostname -s)}"
+    export PIPELINE_NAME="${PIPELINE_NAME:0:30}"
     export NO_SCREEN=1
     sudo /usr/sbin/tcp-closer -4 --dport 443 --idle_time 21601000 --last_recv_limit 43200000 --interval 300 &
     sudo /usr/sbin/tcp-closer -6 --dport 443 --idle_time 21601000 --last_recv_limit 43200000 --interval 300 &