[IMP]Odoo backup image can now be used for 1 or many hosts

odoo/backups/backup.template

@@ -1,3 +1 @@
-#!/bin/bash
-
-python backup.py -oh ${ODOO_HOST} -pw ${ODOO_ADMIN_PASSWORD} -D backups/ -n ${ODOO_DATABASES}
+python backup.py -oh ${HOST} -pw ${ADMIN_PASSWORD} -D backups/ -n ${DATABASES}

odoo/backups/launch.sh

@@ -1,5 +1,19 @@
 #!/bin/bash
 
-envsubst < /home/odoo/backup.template > /home/odoo/backup.sh
+set -f
+echo '#!/bin/bash' > /home/odoo/backup.sh
+index=0
+ODOO_HOST=(${ODOO_HOST//:/ })
+ODOO_ADMIN_PASSWORD=(${ODOO_ADMIN_PASSWORD//:/ })
+ODOO_DATABASES=(${ODOO_DATABASES//:/ })
+for host in "${ODOO_HOST[@]}"
+do
+  HOST=${host}
+  ADMIN_PASSWORD=${ODOO_ADMIN_PASSWORD[$index]}
+  DATABASE=${ODOO_DATABASES[$index]}
+  export HOST ADMIN_PASSWORD DATABASES
+  envsubst < /home/odoo/backup.template >> /home/odoo/backup.sh
+  ((index++))
+done
 chown odoo:odoo /home/odoo/backup.sh
 crontab ./crontab && touch /var/log/cron.log && cron && tail -f /var/log/cron.log