archive

borg/.gitignore

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+*.sw*
+backup/
+mnt/
+restore/

borg/Dockerfile

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+FROM frolvlad/alpine-glibc:alpine-3.9_glibc-2.29
+
+RUN apk update && apk add --no-cache \
+   python3 \
+   curl \
+   bash
+
+WORKDIR /opt
+RUN curl -L \
+   https://github.com/borgbackup/borg/releases/download/1.1.9/borg-linux64 \
+   > ./borg \
+   && chmod +x ./borg
+RUN pip3 install --upgrade borgmatic \
+   && generate-borgmatic-config \
+   && cp /etc/borgmatic/config.yaml /etc/borgmatic/sample.config.yaml
+RUN mkdir -p /backup /mnt
+
+VOLUME /etc/borgmatic/
+VOLUME /mnt
+VOLUME /backup
+
+ENV BORG_PASSPHRASE=a
+
+COPY ./entrypoint.sh ./entrypoint.sh
+COPY ./config.yaml /etc/borgmatic/config.yaml
+
+CMD []
+ENTRYPOINT ["bash", "entrypoint.sh"]

borg/build_and_run.sh

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+#! /bin/bash
+
+set -e
+set -u
+
+cd "$(dirname "${BASH_SOURCE[0]}")" >&2
+
+mkdir -p ./{restore,mnt,backup} >&2
+
+img="${IMG:-dev:dev}"
+
+docker build -t $img . >&2
+
+if [ -z "${BUILD:-""}" ]; then
+docker run \
+   --rm \
+   -it \
+   -e BORG_PASSPHRASE="${BORG_PASSPHRASE:-"a"}" \
+   -v $PWD/restore:/opt/mnt \
+   -v $PWD/mnt:/mnt \
+   -v $PWD/backup:/backup \
+   -v $PWD/config.yaml:/etc/borgmatic/config.yaml:ro \
+   $img \
+   "$@"
+fi

borg/config.yaml

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+location:
+  source_directories:
+    - /mnt
+  repositories:
+    #- user@backupserver:sourcehostname.borg  # ssh example
+    - /backup
+  exclude_if_present: .nobackup # do not back up dirs containing X
+  local_path: /opt/borg
+
+  #exclude_patterns:
+  #  - '*.pyc'
+  #  - ~/*/.cache
+  #  - /etc/ssl
+  #exclude_from:
+  #  - /etc/borgmatic/excludes
+
+
+storage:
+  checkpoint_interval: 600  # checkpoint every X seconds during backup
+  compression: lz4
+
+  #remote_rate_limit: 100 # KB per Sec
+  #ssh_command: ssh -i /path/to/private/key
+  #archive_name_format: '{hostname}-documents-{now}'  # borg help placeholders
+
+retention:
+  keep_daily: 7
+
+  #keep_within: 3H    # Keep all archives within this time interval.
+  #keep_secondly: 60
+  #keep_minutely: 60
+  #keep_hourly: 24
+  #keep_weekly: 4
+  #keep_monthly: 6
+  #keep_yearly: 1
+
+#hooks:
+  #before_backup:
+  #  - echo "Starting a backup job."
+  #after_backup:
+  #  - echo "Backup created."
+  #on_error:
+  #  - echo "Error while creating a backup."
+
+consistency:
+  checks:
+    - repository
+    #- disabled

borg/entrypoint.sh

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+#! /bin/bash
+
+function main() {
+   set -e
+   set -u
+
+   Borgmatic --init --encryption repokey --verbosity 1 >&2 || true
+   if [ "$#" -gt 0 ]; then
+      Borgmatic "$@"
+   else
+      Borgmatic --prune --verbosity 1
+      Borgmatic --create --progress --verbosity 1
+      Borgmatic --check --verbosity 1   #  expensive
+   fi
+}
+
+function Borgmatic() {
+   log borgmatic "$@"
+   borgmatic "$@"
+}
+
+function log() {
+   echo "[$(date +%Y-%m-%d-%H:%M:%S)] $@" >&2
+}
+
+if [ "$0" == "${BASH_SOURCE[0]}" ]; then
+   main "$@"
+fi