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Allow to configure scp port #58

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Allow to configure scp port #58

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1820eba
Allow to configure SCP port.
jan-brinkmann Jun 12, 2022
349ad78
Update documentation.
jan-brinkmann Jun 12, 2022
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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -244,6 +244,7 @@ Variable | Default | Notes
`AWS_DEFAULT_REGION` | | Optional when using `AWS_S3_BUCKET_NAME`. Allows you to override the AWS CLI default region. Usually not needed.
`AWS_EXTRA_ARGS` | | Optional additional args for the AWS CLI. Useful for e.g. providing `--endpoint-url <url>` for S3-compatible systems, such as [DigitalOcean Spaces](https://www.digitalocean.com/products/spaces/), [MinIO](https://min.io/) and the like.
`SCP_HOST` | | When provided, the resulting backup file will be uploaded by means of `scp` to the host stated.
`SCP_PORT` | `22` | Port, on which the host stated above is listening.
`SCP_USER` | | User name to log into `SCP_HOST`.
`SCP_DIRECTORY` | | Directory on `SCP_HOST` where backup file is stored.
`PRE_SCP_COMMAND` | | Commands that is executed on `SCP_HOST` before the backup is transferred.
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14 changes: 8 additions & 6 deletions src/backup.sh
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Expand Up @@ -120,20 +120,22 @@ if [ ! -z "$AWS_GLACIER_VAULT_NAME" ]; then
fi

if [ ! -z "$SCP_HOST" ]; then
info "Uploading backup by means of SCP"
SSH_CONFIG="-o StrictHostKeyChecking=no -i /ssh/id_rsa"
if [ ! -z "$PRE_SCP_COMMAND" ]; then
echo "Pre-scp command: $PRE_SCP_COMMAND"
ssh $SSH_CONFIG $SCP_USER@$SCP_HOST $PRE_SCP_COMMAND
info "Pre-scp command"
echo "$PRE_SCP_COMMAND"
eval ssh -p $SCP_PORT $SSH_CONFIG $SCP_USER@$SCP_HOST $PRE_SCP_COMMAND
fi
info "Uploading backup by means of SCP"
echo "Will upload to $SCP_HOST:$SCP_DIRECTORY"
TIME_UPLOAD="$(date +%s.%N)"
scp $SSH_CONFIG $BACKUP_FILENAME $SCP_USER@$SCP_HOST:$SCP_DIRECTORY
scp -P $SCP_PORT $SSH_CONFIG $BACKUP_FILENAME $SCP_USER@$SCP_HOST:$SCP_DIRECTORY
echo "Upload finished"
TIME_UPLOADED="$(date +%s.%N)"
if [ ! -z "$POST_SCP_COMMAND" ]; then
echo "Post-scp command: $POST_SCP_COMMAND"
ssh $SSH_CONFIG $SCP_USER@$SCP_HOST $POST_SCP_COMMAND
info "Post-scp command"
echo "$POST_SCP_COMMAND"
eval ssh -p $SCP_PORT $SSH_CONFIG $SCP_USER@$SCP_HOST $POST_SCP_COMMAND
fi
fi

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1 change: 1 addition & 0 deletions src/entrypoint.sh
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Expand Up @@ -13,6 +13,7 @@ AWS_EXTRA_ARGS="${AWS_EXTRA_ARGS:-}"
PRE_BACKUP_COMMAND="${PRE_BACKUP_COMMAND:-}"
POST_BACKUP_COMMAND="${POST_BACKUP_COMMAND:-}"
SCP_HOST="${SCP_HOST:-}"
SCP_PORT="${SCP_PORT:-22}"
SCP_USER="${SCP_USER:-}"
SCP_DIRECTORY="${SCP_DIRECTORY:-}"
PRE_SCP_COMMAND="${PRE_SCP_COMMAND:-}"
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