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docker-mysqldump-sshd
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Fabian Peter Hammerle 938ea0f6aa authorize public keys in env var SSH_CLIENT_PUBLIC_KEYS (instead of mounting /home/dump/.ssh/authorized_keys) 3 years ago
.github 7761e6e7bd configure github's dependabot to keep base image up-to-date 3 years ago
CHANGELOG.md 938ea0f6aa authorize public keys in env var SSH_CLIENT_PUBLIC_KEYS (instead of mounting /home/dump/.ssh/authorized_keys) 3 years ago
Dockerfile 2832e2a897 refactor: use openssh-server's ForceCommand option instead of /tmp/mysqldump.sh 3 years ago
README.md 938ea0f6aa authorize public keys in env var SSH_CLIENT_PUBLIC_KEYS (instead of mounting /home/dump/.ssh/authorized_keys) 3 years ago
docker-compose.yml 938ea0f6aa authorize public keys in env var SSH_CLIENT_PUBLIC_KEYS (instead of mounting /home/dump/.ssh/authorized_keys) 3 years ago
entrypoint.sh 938ea0f6aa authorize public keys in env var SSH_CLIENT_PUBLIC_KEYS (instead of mounting /home/dump/.ssh/authorized_keys) 3 years ago
mariadb-client-package-log.url 8093da022f upgrade alpine base image v3.12 -> v13.4 including openssh-server package upgrade v8.3_p1-r0 -> v8.4_p1-r3 & mariadb-client package upgrade v10.4.13-r0 -> v10.5.8-r0 (diff links below) 3 years ago
openssh-package-log.url 8093da022f upgrade alpine base image v3.12 -> v13.4 including openssh-server package upgrade v8.3_p1-r0 -> v8.4_p1-r3 & mariadb-client package upgrade v10.4.13-r0 -> v10.5.8-r0 (diff links below) 3 years ago
rsnapshot.conf.example 0565874cd8 listen on port 2200 for consistency among personal projects (previously 2222) 3 years ago
sshd_config 938ea0f6aa authorize public keys in env var SSH_CLIENT_PUBLIC_KEYS (instead of mounting /home/dump/.ssh/authorized_keys) 3 years ago

README.md

docker: openssh-server invoking mysqldump 💾 🐳

Create logical backups of mariadb and mysql databases via SSH.

Whenever a SSH client connects mysqldump will be executed.

Useful to fetch backups via rsnapshot. See rsnapshot.conf.example.

$ sudo docker run --rm --name mysqldump_ssh \
    -p 2200:2200 \
    -e SSH_CLIENT_PUBLIC_KEYS="$(cat ~/.ssh/id_*.pub)" \
    --tmpfs /home/dump/.ssh:mode=1777,size=16k \
    -e MYSQLDUMP_ARGS='--host=dbhost --user=dbuser --password=dbpass --all-databases' \
    --read-only --security-opt=no-new-privileges --cap-drop=ALL \
    docker.io/fphammerle/mysqldump-sshd
$ ssh -p 2200 -T dump@localhost
-- MariaDB dump 10.17  Distrib 10.4.10-MariaDB, for Linux (x86_64)
--
-- Host: database    Database: demo
-- ------------------------------------------------------
[…]

Git tags docker/* contain signed docker image digests: https://github.com/fphammerle/docker-mysqldump-sshd/tags

Docker Compose 🐙

  1. git clone https://github.com/fphammerle/docker-mysqldump-sshd
  2. cd docker-mysqldump-sshd
  3. Adapt $MYSQLDUMP_ARGS in docker-compose.yml
  4. docker-compose up --build
  5. Add authorized_keys to docker volume mysqldumpsshd_authorized_keys.