Created Init-Container that pulls pubkeys from git, creates authorized_keys, ssh-host-keys and backup-repo folders

server/entrypoint.sh

@@ -0,0 +1,64 @@
+#!/bin/bash
+# Start Script for docker-borgserver
+
+PUID=${PUID:-1000}
+PGID=${PGID:-1000}
+
+usermod -o -u "$PUID" borg &>/dev/null
+groupmod -o -g "$PGID" borg &>/dev/null
+
+BORG_DATA_DIR=${BORG_DATA_DIR:-/backup}
+SSH_KEY_DIR=${SSH_KEY_DIR:-/sshkeys}
+BORG_CMD='cd ${BORG_DATA_DIR}/${client_name}; borg serve --restrict-to-path ${BORG_DATA_DIR}/${client_name} ${BORG_SERVE_ARGS}'
+AUTHORIZED_KEYS_PATH=/home/borg/.ssh/authorized_keys
+
+# Append only mode?
+BORG_APPEND_ONLY=${BORG_APPEND_ONLY:=no}
+
+echo "########################################################"
+echo " * Docker BorgServer powered by $(borg -V)"
+echo "########################################################"
+echo " * $(id)"
+echo "########################################################"
+
+echo -n "Waiting for init-container to finish..."
+sleep 5
+while ping -c2 init >/dev/null 2>/dev/null ; do
+  echo .
+  sleep 3
+done
+echo " done"
+
+# Precheck if BORG_ADMIN is set
+if [ "${BORG_APPEND_ONLY}" == "yes" ] && [ -z "${BORG_ADMIN}" ] ; then
+  echo "WARNING: BORG_APPEND_ONLY is active, but no BORG_ADMIN was specified!"
+fi
+
+# Precheck directories & client ssh-keys
+for dir in BORG_DATA_DIR SSH_KEY_DIR ; do
+  dirpath=$(eval echo '$'${dir})
+  echo " * Testing Volume ${dir}: ${dirpath}"
+  if [ ! -d "${dirpath}" ] ; then
+    echo " ! ERROR: ${dirpath} is no directory!"
+    exit 1
+  fi
+done
+
+for keytype in ed25519 rsa ; do
+  if [ ! -f "${SSH_KEY_DIR}/ssh_host_${keytype}_key" ] ; then
+    echo " ! WARNING: SSH-Host-Key $keytype doesn't exist!"
+    continue
+  fi
+done
+
+echo "########################################################"
+echo " * Checking authorized_keys file..."
+# Check if authorzied_keys is valid
+if ! ssh-keygen -lf ${AUTHORIZED_KEYS_PATH} >/dev/null; then
+  echo " ! ERROR: '${AUTHORIZED_KEYS_PATH}' is not a valid authorized_keys-file."
+  exit 1
+fi
+
+echo "########################################################"
+echo " * Init done! Starting SSH-Daemon..."
+/usr/sbin/sshd -D -e