mock-instance-profile

#!/usr/bin/env bash
# run ec2-metadata-mock with a generated config on the local system

CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

# get the role ARN as input.
role="${1}"
# validate that it is a proper role to attempt to assume
if ! (echo "${role}" | grep -Eq "^arn:(aws|aws-us-gov|aws-cn):iam::\d{12}:role\/[-_a-zA-Z0-9]+$"); then
  echo "Error: no role or invalid role provided."
  exit 1
fi

# ensure that we have the mock binary installed and
# available in the user path.
if ! command -v ec2-metadata-mock > /dev/null 2>&1; then
  echo "Error: ec2-metadata-mock binary not found in PATH."
  exit 1
fi

# check if we are already root
#needSudo=""
#if [[ $(id -u) != 0 ]]; then
#  needSudo="sudo"
#fi

# The virtual interface can just be created over and over
# without any issues so we don't need to check if it already exists
#if [[ $(uname -s) == "Linux" ]]; then
#  "${needSudo}" ifconfig lo:0 169.254.169.254 netmask 255.255.255.255
#elif [[ $(uname -s) == "Darwin" ]]; then
#  "${needSudo}" ifconfig lo0 alias 169.254.169.254
#else
#  echo "Could not determine OS... Exiting"
#  exit 1
#fi

# generate config
[[ -d ${HOME}/.aws/ ]] || mkdir -p "${HOME}"/.aws/
python3 "${CURRENT_DIR}"/generate_mock_config.py --roleArn "${role}"

ec2-metadata-mock -p 80 -c "${HOME}"/.aws/mock_config.json