feat: add features

Dockerfile

@@ -0,0 +1,12 @@
+FROM rclone/rclone:1.52.0
+
+LABEL "repository"="https://github.com/ttionya/BitwardenRS-Backup" \
+  "homepage"="https://github.com/ttionya/BitwardenRS-Backup" \
+  "maintainer"="ttionya <git@ttionya.com>"
+
+COPY scripts/*.sh /app/
+
+RUN chmod +x /app/*.sh \
+  && apk add --no-cache sqlite zip
+
+ENTRYPOINT ["/app/entrypoint.sh"]

scripts/backup.sh

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+#!/bin/sh
+
+. /app/includes.sh
+
+BACKUP_DIR="/bitwarden/backup/"
+BACKUP_FILE="${BACKUP_DIR}/backup.$(date +%Y%m%d).sqlite3"
+BACKUP_FILE_ZIP="${BACKUP_FILE}.zip"
+
+function backup_clear_dir() {
+    rm -rf ${BACKUP_DIR}
+}
+
+function backup() {
+    color blue "backup bitwarden_rs sqlite database"
+
+    mkdir -p ${BACKUP_DIR}
+
+    sqlite3 /bitwarden/data/db.sqlite3 ".backup ${BACKUP_FILE}"
+
+    ls -lah ${BACKUP_DIR}
+}
+
+function backup_package() {
+    if [[ "${ZIP_ENABLE}" == "TRUE" ]]; then
+        color blue "package backup file"
+        UPLOAD_FILE="${BACKUP_FILE_ZIP}"
+
+        zip -jP ${ZIP_PASSWORD} ${BACKUP_FILE_ZIP} ${BACKUP_FILE}
+
+        ls -lah ${BACKUP_DIR}
+    else
+        color yellow "skip package backup file"
+        UPLOAD_FILE="${BACKUP_FILE}"
+    fi
+}
+
+function backup_upload() {
+    color blue "upload backup file to storage system"
+
+    rclone copy ${UPLOAD_FILE} ${RCLONE_REMOTE}
+    if [[ $? != 0 ]]; then
+        color red "upload failed"
+        exit 1
+    fi
+}
+
+function backup_clear_history() {
+    if [[ "${BACKUP_KEEP_DAYS}" -gt 0 ]]; then
+        color blue "delete ${BACKUP_KEEP_DAYS} days ago backup files"
+
+        RCLONE_DELETE_LIST=$(rclone lsf ${RCLONE_REMOTE} | head -n -${BACKUP_KEEP_DAYS})
+
+        for RCLONE_DELETE_FILE in ${RCLONE_DELETE_LIST}
+        do
+            color yellow "deleting ${RCLONE_DELETE_FILE}"
+
+            rclone delete ${RCLONE_REMOTE}/${RCLONE_DELETE_FILE}
+            if [[ $? != 0 ]]; then
+                color red "delete ${RCLONE_DELETE_FILE} failed"
+            fi
+        done
+    fi
+}
+
+color blue "running backup program..."
+
+init_env
+check_rclone_connection
+
+backup_clear_dir
+backup
+backup_package
+backup_upload
+backup_clear_dir
+backup_clear_history
+
+color none ""

scripts/entrypoint.sh

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+#!/bin/sh
+
+. /app/includes.sh
+
+function configure_cron() {
+    echo "${CRON} sh /app/backup.sh > /dev/stdout" >> /etc/crontabs/root
+}
+
+init_env
+check_rclone_connection
+configure_cron
+
+# foreground run crond
+crond -l 2 -f

scripts/includes.sh

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+#!/bin/sh
+
+#################### Function ####################
+########################################
+# Print colorful message.
+# Arguments:
+#     color
+#     message
+# Outputs:
+#     colorful message
+########################################
+function color() {
+    case $1 in
+        red)     echo -e "\033[31m$2\033[0m" ;;
+        green)   echo -e "\033[32m$2\033[0m" ;;
+        yellow)  echo -e "\033[33m$2\033[0m" ;;
+        blue)    echo -e "\033[34m$2\033[0m" ;;
+        none)    echo $2 ;;
+    esac
+}
+
+########################################
+# Check storage system connection success.
+# Arguments:
+#     None
+########################################
+function check_rclone_connection() {
+    rclone mkdir ${RCLONE_REMOTE}
+    if [[ $? != 0 ]]; then
+        color red "storage system connection failure"
+        exit 1
+    fi
+}
+
+########################################
+# Initialization environment variables.
+# Arguments:
+#     None
+# Outputs:
+#     environment variables
+########################################
+function init_env() {
+    # CRON
+    local CRON_DEFAULT="0 1 * * *"
+    if [[ -z "${CRON}" ]]; then
+        CRON="${CRON_DEFAULT}"
+    fi
+
+    # RCLONE_REMOTE_NAME
+    local RCLONE_REMOTE_NAME_DEFAULT="BitwardenBackup"
+    if [[ -z "${RCLONE_REMOTE_NAME}" ]]; then
+        RCLONE_REMOTE_NAME="${RCLONE_REMOTE_NAME_DEFAULT}"
+    fi
+
+    # RCLONE_REMOTE_DIR
+    local RCLONE_REMOTE_DIR_DEFAULT="/BitwardenBackup/"
+    if [[ -z "${RCLONE_REMOTE_DIR}" ]]; then
+        RCLONE_REMOTE_DIR="${RCLONE_REMOTE_DIR_DEFAULT}"
+    fi
+
+    # RCLONE_REMOTE
+    RCLONE_REMOTE="${RCLONE_REMOTE_NAME}:${RCLONE_REMOTE_DIR}"
+
+    # ZIP_ENABLE
+    if [[ $(echo "${ZIP_ENABLE}" | tr '[a-z]' '[A-Z]') == "FALSE" ]]; then
+        ZIP_ENABLE="FALSE"
+    else
+        ZIP_ENABLE="TRUE"
+    fi
+
+    # ZIP_PASSWORD
+    if [[ -z "${ZIP_PASSWORD}" ]]; then
+        ZIP_PASSWORD="WHEREISMYPASSWORD?"
+    fi
+
+    # BACKUP_KEEP_DAYS
+    local BACKUP_KEEP_DAYS_DEFAULT="0"
+    if [[ -z "${BACKUP_KEEP_DAYS}" ]]; then
+        BACKUP_KEEP_DAYS="${BACKUP_KEEP_DAYS_DEFAULT}"
+    fi
+
+    color yellow "========================================"
+    color yellow "CRON: ${CRON}"
+    color yellow "RCLONE_REMOTE_NAME: ${RCLONE_REMOTE_NAME}"
+    color yellow "RCLONE_REMOTE_DIR: ${RCLONE_REMOTE_DIR}"
+    color yellow "RCLONE_REMOTE: ${RCLONE_REMOTE}"
+    color yellow "ZIP_ENABLE: ${ZIP_ENABLE}"
+    color yellow "ZIP_PASSWORD: ${#ZIP_PASSWORD} Chars"
+    color yellow "BACKUP_KEEP_DAYS: ${BACKUP_KEEP_DAYS}"
+    color yellow "========================================"
+}