2 files changed, 108 insertions, 0 deletions
diff --git a/services/docker/auto-backup/Dockerfile b/services/docker/auto-backup/Dockerfile
new file mode 100644
index 0000000..6736077
--- /dev/null
+++ b/services/docker/auto-backup/Dockerfile
@@ -0,0 +1,14 @@
+FROM debian
+RUN apt-get update && apt-get install -y \
+    tini ca-certificates coreutils bash tar zstd \
+    && rm -rf /var/lib/apt/lists/*
+
+ENV CRUPEST_AUTO_BACKUP_INIT_DELAY=
+ENV CRUPEST_AUTO_BACKUP_INTERVAL=1d
+
+ADD --chmod=755 https://github.com/tencentyun/coscli/releases/download/v1.0.3/coscli-v1.0.3-linux-amd64 /app/coscli
+ADD --chmod=755 daemon.bash /app/
+
+VOLUME [ "/data" ]
+
+CMD [ "tini", "--", "/app/daemon.bash" ]
diff --git a/services/docker/auto-backup/daemon.bash b/services/docker/auto-backup/daemon.bash
new file mode 100755
index 0000000..0c6beec
--- /dev/null
+++ b/services/docker/auto-backup/daemon.bash
@@ -0,0 +1,94 @@
+#!/usr/bin/env bash
+
+set -e
+
+die() {
+  echo -e "\033[31mError: " "$@" "\033[0m" >&2
+  exit 1
+}
+
+note() {
+  echo -e "\033[33mNote: " "$@" "\033[0m"
+}
+
+success() {
+  echo -e "\033[32mSuccess: " "$@" "\033[0m"
+}
+
+# Check I'm root.
+if [[ $EUID -ne 0 ]]; then
+  die "This script must be run as root"
+fi
+
+if [[ ! -f /run/secrets/auto-backup ]]; then
+  die "/run/secrets/auto-backup not found, please use docker secrets to set it."
+fi
+
+if [[ -z "$CRUPEST_AUTO_BACKUP_INTERVAL" ]]; then
+  die "Backup interval not set, please set it!"
+fi
+
+# shellcheck source=/dev/null
+. /run/secrets/auto-backup
+
+note "Checking secrets..."
+[[ -n "$CRUPEST_AUTO_BACKUP_COS_ENDPOINT" ]] || die "COS endpoint not set!"
+[[ -n "$CRUPEST_AUTO_BACKUP_COS_BUCKET" ]] || die "COS bucket not set!"
+[[ -n "$CRUPEST_AUTO_BACKUP_COS_SECRET_ID" ]] || die "COS secret ID  not set!"
+[[ -n "$CRUPEST_AUTO_BACKUP_COS_SECRET_KEY" ]] || die "COS secret key not set!"
+success "Secrets check passed."
+
+note "Checking tools..."
+tar --version
+zstd --version
+/app/coscli --version
+success "Tools check passed."
+
+echo "Backup interval set to $CRUPEST_AUTO_BACKUP_INTERVAL..."
+
+if [[ -z "$CRUPEST_AUTO_BACKUP_INIT_DELAY" ]]; then
+  echo "Initial delay not set, will do a backup immediately!"
+else
+  echo "Initial delay set to $CRUPEST_AUTO_BACKUP_INIT_DELAY ..."
+  sleep "$CRUPEST_AUTO_BACKUP_INIT_DELAY"
+fi
+
+function backup {
+  note "Begin backup..."
+
+  # Get current time and convert it to YYYY-MM-DDTHH:MM:SSZ
+  current_time="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
+  echo "Current time UTC: $current_time"
+
+  backup_file_ext="tar.zst"
+  tmp_file="/tmp/data.$backup_file_ext"
+
+  echo "Create $tmp_file for data..."
+  tar -cp --zstd -f "$tmp_file" -C / data
+
+  du -h "$tmp_file" | cut -f1 | xargs echo "Size of $tmp_file:"
+
+  des_file_name="$current_time.$backup_file_ext"
+  echo "Upload $des_file_name to COS..."
+
+  /app/coscli --init-skip \
+    --secret-id "${CRUPEST_AUTO_BACKUP_COS_SECRET_ID}" \
+    --secret-key "${CRUPEST_AUTO_BACKUP_COS_SECRET_KEY}" \
+    --endpoint "${CRUPEST_AUTO_BACKUP_COS_ENDPOINT}" \
+    cp "$tmp_file" "cos://${CRUPEST_AUTO_BACKUP_COS_BUCKET}/$des_file_name"
+
+  echo "Remove tmp file..."
+  rm "$tmp_file"
+
+  echo "$des_file_name" >>/data/backup.log
+
+  success "Finish backup!"
+}
+
+# forever loop
+while true; do
+  backup
+
+  echo "Sleep for $CRUPEST_AUTO_BACKUP_INTERVAL for next backup..."
+  sleep "$CRUPEST_AUTO_BACKUP_INTERVAL"
+done