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Update readme with design spec

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Update dockerfile to add required resources to final container
This commit is contained in:
Ethan Paul 2023-10-15 17:19:29 -04:00
parent d1e53ea8be
commit e3f0800f5d
Signed by: enpaul
GPG Key ID: 07F53B438281D181
2 changed files with 64 additions and 3 deletions
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14
Containerfile
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@ -31,8 +31,16 @@ RUN cd /source/borgbackup && python -m pip wheel .[pyfuse3] \
FROM docker.io/library/python:3.11-slim AS final
COPY --from=build /wheels /wheels
RUN apt update --yes && \
apt install openssh-clients --yes && \
apt clean all && \
mkdir /repo /data && \
useradd borg --uid 1000 --gid 1000 && \
chown --recursive borg:borg /repo
VOLUME ["/repo", "/data"]
COPY --from=build /wheels /wheels
RUN python -m pip install borgbackup[pyfuse3] \
--upgrade \
--pre \
@ -42,4 +50,6 @@ RUN python -m pip install borgbackup[pyfuse3] \
--disable-pip-version-check && \
rm -rf /install/
ENTRYPOINT ["/bin/bash"]
USER 1000:1000
ENTRYPOINT ["/usr/local/bin/borg"]

53
README.md
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@ -1,3 +1,54 @@
# Borg Drone
Python bindings and OCI container for managing [Borg](https://borgbackup.org/) backups
OCI container for managing [Borg](https://borgbackup.org/) backups
## Parameter Spec
Environment var prefix: `BORGDRONE_`
| Variable | Type | Default | Usage |
|-|-|-|-|
| BORGDRONE_CHECK | `bool` | `True` | Verify repository before creating backup |
| BORGDRONE_COMPACT | `bool` | `True` | Compact the repository after all write operations |
| BORGDRONE_REPO_INIT | `bool` | `True` | Create the repository if it doesn't exist |
| BORGDRONE_REPO_INIT_APPEND_ONLY | `bool` | `False` | See `borg rcreate --append-only` |
| BORGDRONE_REPO_INIT_QUOTA | `str` | `none` | See `borg rcreate --storage-quota` |
| BORGDRONE_REPO_INIT_ENCRYPTION | `multi` | - | See `borg rcreate --encryption` |
| BORGDRONE_REPO_INIT_OVERWRITE_KEY | `bool` | `False` | If initializing a new repo and `BORGDRONE_REPO_KEY_FILE` exists, overwrite the existing key with the new repo key |
| BORGDRONE_REPO_KEY_FILE | `path` | - | Path to the repository key file |
| BORGDRONE_REPO_PATH | `path` | - | Path to the repository |
| BORGDRONE_REPO_PASSPHRASE | `str` | - | Passphrase for the key specified by `BORGDRONE_REPO_KEY_FILE` |
| BORGDRONE_REPO_PASSPHRASE_FILE | `str` | - | Passphrase for the key specified by `BORGDRONE_REPO_KEY_FILE` stored in a plaintext file |
| BORGDRONE_PRUNE | `bool` | `false` | Prune the repository according to policies |
| BORGDRONE_PRUNE_INTERVAL | `int` | - | See `borg prune --keep-within` |
| BORGDRONE_PRUNE_SECONDLY | `int` | - | See `borg prune --keep-secondly` |
| BORGDRONE_PRUNE_MINUTELY | `int` | - | See `borg prune --keep-minutely` |
| BORGDRONE_PRUNE_HOURLY | `int` | - | See `borg prune --keep-hourly` |
| BORGDRONE_PRUNE_DAILY | `int` | - | See `borg prune --keep-daily` |
| BORGDRONE_PRUNE_WEEKLY | `int` | - | See `borg prune --keep-weekly` |
| BORGDRONE_PRUNE_MONTHLY | `int` | - | See `borg prune --keep-monthly` |
| BORGDRONE_PRUNE_YEARLY | `int` | - | See `borg prune --keep-yearly` |
| BORGDRONE_ARCHIVE_COMPRESSION | `multi` | `lz4` | See `borg help compression` |
| BORGDRONE_ARCHIVE_NAME | `str` | - | Name of the archive to create |
| BORGDRONE_ARCHIVE_PATH | `csv,path` | - | Comma separated list of paths to add to the archive |
| BORGDRONE_ARCHIVE_COMMENT | `str` | - | Comment to attach to the archive
| BORGDRONE_ARCHIVE_EXCLUDE_PATTERN | `str` | - | See `borg create --exclude` |
| BORGDRONE_ARCHIVE_EXCLUDE_CACHES | `bool` | `false` | See `borg create --exclude-caches` |
| BORGDRONE_ARCHIVE_EXCLUDE_IF_PRESENT | `str` | - | See `borg create --exclude-if-present` |
| BORGDRONE_ARCHIVE_KEEP_EXCLUDE_TAGS | `bool` | `false` | See `borg create --keep-exclude-tags` |
## Design Spec
* All configuration taken from environment
* Support server and client operations
* Single run: scheduling + start/stop management should be handled by the orchestrator
Operation:
1. Check whether `BORGDRONE_REPO_PATH` exists; if not:
1. Initialize repository at path
1. Export key to `BORGDRONE_REPO_KEY_FILE` location
1. Run `borg check` on destination repository
1. Run `borg create` to create new archive
1. Run `borg prune` on destination repository
1. Run `borg compact` on destination repository