mongodb getShardDistributionをcollection全部にやるやつ

getShardDistribution.sh

#!/usr/bin/env zsh
set -eu

remote=${1:-localhost}
database=${2:-test}
mongos=(--host $remote $database --port 27017)
collections=($(echo "show collections" | mongo $mongos --quiet))
echo "show collections" | mongo $mongos
for col in $collections
do
  echo "======================== $col =========================="
  echo "db.${col}.getShardDistribution()" | mongo $mongos
done