bulk-delete-instances.sh

# find and delete running instances with display name like test
for i in $(oci search resource structured-search --query-text "QUERY instance resources where lifeCycleState = 'RUNNING' && displayName =~ 'test' && compartmentId = 'ocid1.compartment.oc1..<compartment-id>' " --query 'data.items[*].identifier' --raw-output|sed 's/\"//g;s/,//g'|egrep -v -e "\[" -e "\]")
do
    time oci compute instance terminate --instance-id "$i" --force
done

real    0m1.218s
user    0m0.664s
sys     0m0.060s

real    0m1.142s
user    0m0.643s
sys     0m0.050s

real    0m1.189s
user    0m0.648s
sys     0m0.050s

real    0m1.141s
user    0m0.622s
sys     0m0.050s

real    0m1.066s
user    0m0.607s
sys     0m0.062s

real    0m1.046s
user    0m0.605s
sys     0m0.072s

real    0m0.912s
user    0m0.604s
sys     0m0.059s

real    0m1.068s
user    0m0.655s
sys     0m0.069s

real    0m1.058s
user    0m0.633s
sys     0m0.060s

real    0m0.995s
user    0m0.651s
sys     0m0.050s