wekan/snap-src/bin/mongodb-backup

#!/bin/bash

# get wekan/mongo settings
source $SNAP/bin/wekan-read-settings

# make sure we have set minimum env variables for locale
if [ -z "$LANG" ]; then
    export LANG=en_US.UTF-8
fi

export LC_ALL=C

# If CPU does not support AVX, use Qemu that supports AVX. 
# Migratemongo is at https://github.com/wekan/migratemongo
# and at directory /snap/${SNAP_NAME}/current/migratemongo/avx
# is bash scripts like mongod, mongosh check avx support and use Qemu if needed.
export PATH=/snap/${SNAP_NAME}/current/migratemongo/avx:/snap/${SNAP_NAME}/current/usr/bin:/snap/${SNAP_NAME}/current/bin:$PATH
export LD_LIBRARY_PATH=/snap/${SNAP_NAME}/current/lib:/snap/${SNAP_NAME}/current/lib/x86_64-linux-gnu:$LD_LIBRARY_PATH

if [ -z $1 ]; then
    DATE=`/bin/date +%Y%m%dT%H%M%S`
    mkdir -p $SNAP_COMMON/db-backups/
    ARCHIVE=$SNAP_COMMON/db-backups/wekan-$DATE.backup
else
    ARCHIVE=$1
fi
# start mongodb backup
[ "x" == "x${MONGODB_BIND_IP}" ] && MONGODB_BIND_IP="127.0.0.1"
 echo "using bind ip"
mongodump --host $MONGODB_BIND_IP --port $MONGODB_PORT -d wekan --gzip  --archive=${ARCHIVE}