vincent/eea.docker.rsync
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Refs #72026 - Add support for multiple authorized ssh keys

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This commit is contained in:
Alin Voinea 2016-06-15 17:17:32 +03:00
parent e9ae9dea8c
commit 7da81a28a1
2 changed files with 21 additions and 13 deletions
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9
Readme.md
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@ -7,7 +7,7 @@ A simple rsync server/client Docker image to easily rsync data within Docker vol
Get files from remote server within a `docker volume`:
$ docker run --rm -v blobstorage:/data/ eeacms/rsync \
rsync -avz user@remote.server.domain.or.ip:/var/local/blobs/ /data/
rsync -avzx --numeric-ids user@remote.server.domain.or.ip:/var/local/blobs/ /data/
Get files from `remote server` to a `data container`:
@ -23,7 +23,7 @@ Start client to pack and sync every night:
$ docker run --name=rsync_client -v client_vol_to_sync:/data \
-e CRON_TASK_1="0 1 * * * /data/pack-db.sh" \
-e CRON_TASK_2="0 3 * * * rsync -e 'ssh -p 2222 -o StrictHostKeyChecking=no' -avz root@foo.bar.com:/data/ /data/" \
-e CRON_TASK_2="0 3 * * * rsync -e 'ssh -p 2222' -aqx --numeric-ids root@foo.bar.com:/data/ /data/" \
eeacms/rsync client
Copy the client SSH public key printed found in console
@ -33,7 +33,8 @@ Copy the client SSH public key printed found in console
Start server on `foo.bar.com`
# docker run --name=rsync_server -d -p 2222:22 -v server_vol_to_sync:/data \
-e SSH_AUTH_KEY="<SSH KEY FROM rsync_client>" \
-e SSH_AUTH_KEY_1="<SSH KEY FROM rsync_client>" \
-e SSH_AUTH_KEY_n="<SSH KEY FROM rsync_client_n>" \
eeacms/rsync server
### Verify that it works
@ -46,5 +47,5 @@ Add `test` file on server:
Bring the `file` on client:
$ docker exec -it rsync_client sh
$ rsync -e 'ssh -p 2222 -o StrictHostKeyChecking=no' -avz root@foo.bar.com:/data/ /data/
$ rsync -e 'ssh -p 2222' -avz root@foo.bar.com:/data/ /data/
$ ls -l /data/

19
docker-entrypoint.sh
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@ -4,16 +4,23 @@
# INIT
################################################################################
# Provide SSH AUTHORIZED KEY via environment variable
if [ ! -z "$SSH_AUTH_KEY" ]; then
mkdir -p /root/.ssh
echo "$SSH_AUTH_KEY" > /root/.ssh/authorized_keys
> /root/.ssh/authorized_keys
chmod go-rwx /root/.ssh/authorized_keys
sed -i "s/#PasswordAuthentication yes/PasswordAuthentication no/g" /etc/ssh/sshd_config
fi
# Provide CRON_TASK via environment variable
echo '' > /etc/crontabs/root
# Provide SSH_AUTHORIZED_KEY_* via environment variable
for item in `env`; do
case "$item" in
SSH_AUTHORIZED_KEY*)
ENVVAR=`echo $item | cut -d \= -f 1`
printenv $ENVVAR >> /root/.ssh/authorized_keys
;;
esac
done
# Provide CRON_TASK_* via environment variable
> /etc/crontabs/root
for item in `env`; do
case "$item" in
CRON_TASK*)