initial commit

containerd/entrypoint.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+# any command returning non-zero, should end this script
+set -e
+
+# cycle through *.sh in `opt/containerd` in alphabetical order; executing each one
+CONTAINERD_FILES=( /opt/containerd/*.sh )
+if (( ${#CONTAINERD_FILES[@]} > 1 )); then
+  for (( CONTAINERD_FILEINDEX = 0; CONTAINERD_FILEINDEX < ${#CONTAINERD_FILES[@]}; CONTAINERD_FILEINDEX++ )); do
+    CONTAINERD_FILE=${CONTAINERD_FILES[${CONTAINERD_FILEINDEX}]}
+    if [[ ${CONTAINERD_FILE} != "/opt/containerd/entrypoint.sh" ]]; then
+      echo "Executing entrypoint: ${CONTAINERD_FILE}"
+      . ${CONTAINERD_FILE}
+    fi
+  done
+fi
+
+# if there are arguments to the entrypoint, execute them to finish
+# like a server startup command
+if (( $# > 0 )); then
+  echo "Executing entrypoint ..."
+  exec "$@"
+fi