I have a twice-daily backup script that connects to our managed mongo instance with mongodump and then rsyncs the data off-site.
The command is essentially:
mongodump --uri="mongodb+srv://$USERNAME:$PASSWORD@store-2e6b091b.mongo.ondigitalocean.com/$DB?authSource=admin&replicaSet=store&ssl=true" --gzip --archive="$FILENAME" --sslCAFile=$CA
After running fine for months, a few days ago it’s failing to connect to mongo with the error:
error parsing command line options: error parsing uri: lookup store-2e6b091b.mongo.ondigitalocean.com on 127.0.0.53:53: cannot unmarshal DNS message
Searching for the error message seems to imply that the DNS resolver doesn’t support the
mongodb+srv:// lookup, but I’m not sure why it would suddenly stop working now after working fine for months.
Any help would be appreciated!
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Have you by any chance just enabled trusted sources for your database? This could cause a similar problem, if this is the case you would need to allow your IP address in your trusted hosts for your managed database:
If this is not the case, and if you are still seeing the issue, I could suggest trying to change the DNS on the server that you are running the command from to
22.214.171.124to see if it fixes the issue.
Let me know how it goes!