Dump all Mongo collections to JSON files

mongo_dump_all_collections_to_json.sh

#!/bin/bash

set -euo pipefail

docker_container=sipts-mongo
db=si-pts
target=$(mktemp -d "${db}_mongoexport_XXX")

echo "Dumping into ${target}."
docker exec "$docker_container" mongo --quiet \
       mongodb://localhost/"${db}" \
       --eval "db.getCollectionNames().join('\n');" | \
    while read c
    do
        f="${target}/${c}.json"
        echo "${c} -> ${f}"
        docker exec "$docker_container" \
               mongoexport --db "$db" \
               --collection="$c" \
               --out= > \
               "${f}"
    done
echo "Dumped collections into ${target}."

mongo_dump_all_collections_to_json_and_compress.sh

#!/bin/bash

set -euo pipefail

docker_container=sipts-mongo
db=si-pts
target=$(mktemp -d "${db}_mongoexport_XXX")

echo "Dumping into ${target}."
docker exec "$docker_container" mongo --quiet \
       mongodb://localhost/"${db}" \
       --eval "db.getCollectionNames().join('\n');" | \
    while read c
    do
        f="${target}/${c}.json"
        echo "${c} -> ${f}"
        docker exec "$docker_container" \
               mongoexport --db "$db" \
               --collection="$c" \
               --out= | tee "${f}" | \
            xz --compress -T0 --stdout > "${f}.xz"
    done
echo "Dumped collections into ${target}."