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Velotio - HashiCorp Consul Part 2 - MongoDB Replica Set - Check Primary instance using shell script
#!/bin/bash
mongo_primary=$(mongo --quiet --eval 'JSON.stringify(db.isMaster())' | jq -r .ismaster 2> /dev/null)
if [[ $mongo_primary == false ]]; then
exit 1
fi
echo "Mongo primary healthy and reachable"
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