feat(local): add "local" project with many services

local/utils-entrypoint.sh

@@ -0,0 +1,105 @@
+#!/bin/sh
+set -e
+
+DATA_DIR=/data
+BACKUPS_DIR=/backups
+
+backup() {
+  if [ -z "$1" ] || [ "$1" = "all" ]; then
+    for src in ${DATA_DIR}/*; do
+      backup_single "$(basename "$src")" "$2"
+    done
+  else
+    backup_single "$1" "$2"
+  fi
+}
+
+backup_single() {
+  SOURCE="$1"
+  DEST="$SOURCE"
+  if [ -n "$2" ]; then
+    DEST="${DEST}-${2}"
+  fi
+  DEST="${DEST}.tar.gz"
+
+  if [ -z "$SOURCE" ]; then
+    echo "Usage: backup [<source-name|all>] [<backup-name>]" >&2
+    exit 1
+  fi
+
+  if [ ! -d "${DATA_DIR}/$SOURCE" ]; then
+    echo "ERROR: Source directory for $SOURCE does not exist." >&2
+    exit 1
+  fi
+
+  if [ -f "${BACKUPS_DIR}/${DEST}" ]; then
+    echo "WARN: Overwriting existing destination file ${DEST}..." >&2
+  fi
+
+  cd "${DATA_DIR}/${SOURCE}"
+  echo "Backing up ${SOURCE} to ${DEST}..."
+  tar -czf "${BACKUPS_DIR}/${DEST}" .
+  echo "Backup of ${SOURCE} to ${DEST} complete."
+}
+
+restore() {
+  if [ -z "$1" ] || [ "$1" = "all" ]; then
+    for src in ${DATA_DIR}/*; do
+      restore_single "$(basename "$src")" "$2"
+    done
+  else
+    restore_single "$1" "$2"
+  fi
+}
+
+restore_single() {
+  SOURCE="$1"
+
+  if [ -z "$SOURCE" ]; then
+    echo "Usage: restore [<source-name|all>] [<backup-name>]" >&2
+    exit 1
+  fi
+
+  if [ ! -d "${DATA_DIR}/$SOURCE" ]; then
+    echo "ERROR: Restore target directory for $SOURCE does not exist." >&2
+    exit 1
+  fi
+
+  DEST=""
+  if [ -n "$2" ]; then
+    if [ -f "${BACKUPS_DIR}/${2}" ]; then
+      DEST="${2}"
+    elif [ -f "${BACKUPS_DIR}/${2}.tar.gz" ]; then
+      DEST="${2}.tar.gz"
+    elif [ -f "${BACKUPS_DIR}/${SOURCE}-${2}" ]; then
+      DEST="${SOURCE}-${2}"
+    else
+      DEST="${SOURCE}-${2}.tar.gz"
+    fi
+  else
+    DEST="${SOURCE}.tar.gz"
+  fi
+
+  if [ ! -f "${BACKUPS_DIR}/${DEST}" ]; then
+    echo "ERROR: Restore source file ${DEST} does not exist." >&2
+    exit 1
+  fi
+
+  cd "${DATA_DIR}/${SOURCE}"
+  echo "Restoring ${DEST} to ${SOURCE}..."
+  tar -xzf "${BACKUPS_DIR}/${DEST}" .
+  echo "Restored ${DEST} to ${SOURCE}."
+}
+
+case "$1" in
+  backup)
+    backup "$2" "$3"
+    ;;
+  restore)
+    restore "$2" "$3"
+    ;;
+  *)
+    echo "Usage: {backup|restore} [<source-name|all>] [<backup-name>]" >&2
+    exit 1
+    ;;
+esac