bash_profile functions

aws.sh

# will search either by instance-name or instance-id
# on instance-id it will return the first match, on instance-name it will return all matches
# will iterate through all your ~/.aws/credentials profiles
#
# Usage: aws-find-ec2 NAME-OR-INSTANCE-ID
# Example output:
# ~  aws-find-ec2 i-1234567abcdefghijk
# - checking company-master...
# - checking company-development...
# asg-platform / i-1234567abcdefghijk / 172.0.1.200
aws-find-ec2() {
  local profile
  local buf
  local search_key
  local return_first_match="1"

  if [[ "${1}" =~ ^i-[0-9a-f]{17,}$ ]]; then
    search_key="instance-id"
  else
    search_key="tag:Name"
    return_first_match="0"
  fi

  grep '\[' ~/.aws/credentials | tr -d '[]' | while read -r profile; do
    echo "- checking ${profile}..."
    buf="$(aws \
             --profile "${profile}" \
             --output json \
             ec2 describe-instances \
             --filters "Name=${search_key},Values=${1}" "Name=instance-state-name,Values=running" \
             --query 'Reservations[*].Instances[*].[Tags[?Key==`Name`].Value,InstanceId,PrivateIpAddress]')"
    if [[ "${buf}" == '[]' ]]; then
      continue
    else
      echo "${buf}" | jq -r '.[][] | "\(.[0][0]) / \(.[1]) / \(.[2])"'
      if [[ "${return_first_match}" == "1" ]]; then
        break
      fi
    fi
  done
}