aws cli - AWS CLI: get RDS free space -


how free space of rds instance using aws-cli?

tried:

aws rds describe-db-instances | grep -i 'size|space|free|available|used'

but no result

i've found solution:

starttime="$(date -u -d '5 minutes ago' '+%y-%m-%dt%t')" endtime="$(date -u '+%y-%m-%dt%t')" aws cloudwatch get-metric-statistics --namespace aws/rds \ --metric-name freestoragespace\ --start-time $starttime --end-time $endtime --period 300 \ --statistics average\ --dimensions="name=dbinstanceidentifier, value=<db_instance>"

otput sample:

{     "datapoints": [         {             "timestamp": "2016-02-11t08:50:00z",              "average": 45698627515.73333,              "unit": "bytes"         }     ],      "label": "freestoragespace" }

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