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gacyun/backup-docker-secrets.sh

Forked from kwonghung-YIP/backup-docker-secrets.sh
Created May 7, 2024 13:13
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Shell script for export all secrets defined in docker swarm
Raw
backup-docker-secrets.sh
#!/bin/bash
service_name="backup-all-secrets"
secret_list=( `docker secret ls --format "{{ .Name }}"` )
cmd="docker service create \
--name $service_name \
--constraint node.hostname==`hostname` "
for secret in "${secret_list[@]}"
do
cmd=$cmd" --secret ${secret}"
done
cmd=$cmd" nginx"
echo $cmd
$cmd
tar_file="backup_`date +\"%Y%m%d-%H%M%S\"`.tar"
container_id=`docker ps -f "label=com.docker.swarm.service.name=$service_name" -q`
echo $tar_file
echo $container_id
docker exec -w /usr/local $container_id sh -c "tar -cvf $tar_file -C /run/secrets ."
docker cp $container_id:/usr/local/$tar_file .
docker service rm $service_name
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