Extract docker composer yaml MySQL user and password with a bash script14.03.21

#!/bin/bash

# install yq                                                                                                                                                                                                       
#  sudo wget https://github.com/mikefarah/yq/releases/download/v4.4.1/yq_linux_amd64 -O /usr/bin/yq                                                                                                                
#  sudo chmod +x /usr/bin/yq

_password=`yq e '.services.exo_mariadb.environment.MYSQL_PASSWORD' docker-compose.yml`
_root_password=`yq e '.services.exo_mariadb.environment.MYSQL_ROOT_PASSWORD' docker-compose.yml`
_user=`yq e '.services.exo_mariadb.environment.MYSQL_USER' docker-compose.yml`
_database=`yq e '.services.exo_mariadb.environment.MYSQL_DATABASE' docker-compose.yml`

echo $_password
echo $_root_password
echo $_user
echo $_database

docker  run -i --rm --net=host  salamander1/mysqldump --verbose -h 127.0.0.1 -u root -p$_root_password  $_database  | gzip > init/$_database.sql.gz

https://mikefarah.gitbook.io/yq/upgrading-from-v3

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Extract docker composer yaml MySQL user and password with a bash script14.03.21

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