ec2 instance launched in last X days

aws-ec2-launched-in-last.sh

#!/bin/bash

# to list instances launched in in the last 15 days run like:
#  ./aws-ec2-launched-in-last.sh 15

# https://stackoverflow.com/questions/18858120/finding-all-amazon-aws-instances-that-do-not-have-a-certain-tag

OLDER=$1

if date -v-"$OLDER"d > /dev/null 2>&1; then
    # BSD systems (Mac OS X)
    DATE=$(date -v-"$OLDER"d +%Y-%m-%d)
else
    # GNU systems (Linux)
    DATE=date --date="-$OLDER days" +%Y-%m-%d
fi

##aws ec2 describe-instances --query 'Reservations[].Instances[?LaunchTime>='2018-08-01'][].{id: InstanceId, type: InstanceType, launched: LaunchTime}'

# aws ec2 describe-instances --filters "Name=tag:Name,Values=*" --output json --query 'Reservations[*].Instances[*].[PrivateIpAddress,InstanceId,Tags[?Key=='Name'].Value]'

# aws ec2 describe-instances --filters "Name=tag:Name,Values=*" --query "Reservations[].Instances[?LaunchTime>='2018-09-12'].[PrivateIpAddress,InstanceId,Tags[?Key=='Name'].Value][]"

## aws ec2 describe-instances  --query "Reservations[].Instances[?LaunchTime>='2018-09-12'][].{id: InstanceId, type: InstanceType, launched: LaunchTime, tags: Tags}"

# instance-state-name - The state of the instance (pending | running
#            | shutting-down | terminated | stopping | stopped ).

echo "STOPPED INSTSNCES LAUNCHED IN LAST  $OLDER DAYS"

echo "           ID       -- InstanType --      Launch time         --          Tags"
aws ec2 describe-instances --filter Name=instance-state-name,Values=stopped --query "Reservations[].Instances[?LaunchTime>=\`$DATE\`][].{id: InstanceId, type: InstanceType, launched: LaunchTime, tags: Tags}" |jq -r '.[]| "\(.id) -- \(.type) --  \(.launched) -- \(.tags)"'


echo ""


echo "RUNNING INSTANCES LAUNCHED IN LAST $OLDER DAYS"

echo "          ID       -- InstanType --      Launch time         --          Tags"
aws ec2 describe-instances --filter Name=instance-state-name,Values=running --query "Reservations[].Instances[?LaunchTime>=\`$DATE\`][].{id: InstanceId, type: InstanceType, launched: LaunchTime, tags: Tags}" |jq -r '.[]| "\(.id) -- \(.type) --  \(.launched) -- \(.tags)"'