List all EC2 instances

get_ec2_instances.sh

#!/usr/bin/env bash
# Prereqs:  
# Ubuntu 16.04+: apt install awscli jq
# Centos 7+    : yum install awscli jq

set +m
for region in $(aws ec2 describe-regions --query "Regions[*].[RegionName]" --output text); do
  aws ec2 describe-instances --region "$region" | jq ".Reservations[].Instances[] | {type: .InstanceType, state: .State.Name, tags: .Tags, zone: .Placement.AvailabilityZone}" &
done; wait; set -m

output.txt

cayenne :: ~/bin » set +m
for region in $(aws ec2 describe-regions --query "Regions[*].[RegionName]" --output text); do
  aws ec2 describe-instances --region "$region" | jq ".Reservations[].Instances[] | {type: .InstanceType, state: .State.Name, tags: .Tags, zone: .Placement.AvailabilityZone}" &
done; wait; set -m
{
  "type": "t2.micro",
  "state": "pending",
  "tags": null,
  "zone": "us-east-1e"
}

cayenne :: ~/bin » set +m   
for region in $(aws ec2 describe-regions --query "Regions[*].[RegionName]" --output text); do
  aws ec2 describe-instances --region "$region" | jq ".Reservations[].Instances[] | {type: .InstanceType, state: .State.Name, tags: .Tags, zone: .Placement.AvailabilityZone}" &
done; wait; set -m
{
  "type": "t2.micro",
  "state": "terminated",
  "tags": null,
  "zone": "us-east-1e"
}