tomofuminijo’s gists

tomofuminijo / ebs_resize.sh

Created June 22, 2022 04:24

	#!/bin/bash
	## More information about this process can be found at
	## https://docs.aws.amazon.com/cloud9/latest/user-guide/move-environment.html#move-environment-resize

	# Specify the desired volume size in GiB as a command line argument. If not specified, default to 20 GiB.
	SIZE=${1:-20}

	# Get the ID of the environment host Amazon EC2 instance.
	INSTANCEID=$(curl http://169.254.169.254/latest/meta-data/instance-id)

tomofuminijo / inclese-disk-size.sh

Last active January 4, 2022 06:47

Increase the disk size on Cloud9 instance

	pip3 install --user --upgrade boto3
	export instance_id=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)
	python -c "import boto3
	import os
	from botocore.exceptions import ClientError
	ec2 = boto3.client('ec2')
	volume_info = ec2.describe_volumes(
	Filters=[
	{
	'Name': 'attachment.instance-id',

tomofuminijo / ulam_spiral.py

Last active April 9, 2021 08:31

Sample code to output Ulam spiral image in Python

	from PIL import Image
	from sympy import isprime
	import math


	def ulam_spiral(length: int, start_num: int = 1) -> list[list[int]]:
	"""
	ulam_spiral plots the spiral of Ulam on a square with a side length of
	the inputed length.
	The result is returned in the coordinates of a two-dimensional array.

tomofuminijo / assume-role.sh

Created April 4, 2020 02:33

A sample script that executes GetSessionToken and then AssumeRole

	#!/bin/bash -eu
	# Auth アカウントのIAM ユーザアクセスキーにより、get-session-token を実行して、MFA 認証済みの一時的認証情報を入手する
	credentials=$(aws sts get-session-token \
	--serial-number arn:aws:iam::<auth_account_id>:mfa/<iam_username> \
	--token-code $1 \
	--query "Credentials.[AccessKeyId, SecretAccessKey,SessionToken]" \
	--output text)

	# 一旦環境変数にMFA 認証済み一時的認証情報をセット
	export AWS_ACCESS_KEY_ID=$(echo $credentials \| cut -d ' ' -f 1)

tomofuminijo / asyncproc.js

Created March 31, 2020 14:02

Samples to understand the asynchronous processing of JavaScript.

	// JavaScript の非同期処理を理解するためのサンプル

	const getThisYear = (callback) => {
	setTimeout(() => callback(null, new Date().getFullYear()), 100);
	}

	const getNextYear = (year, callback) => {
	setTimeout(() => callback(null, ++year), 100);
	}

tomofuminijo / restricted-instance type.json

Created March 10, 2020 01:43

Policy that restrict instance types

tomofuminijo / guardduty-disabled-all-region.sh

Last active February 14, 2020 23:38

Sample script to delete a GuardDuty master and some members configuration in all regions

	#!/bin/bash
	OPERATION_REGION=us-east-1
	ROLE_NAME=OrganizationAccountAccessRole
	#Change your master account id
	MASTAR_ACCOUNT_ID=<YOUR_MASTER_ACCOUNT_ID>

	regions=$(aws ec2 describe-regions --query "Regions[].RegionName" --region $OPERATION_REGION --output text)

	function delete_detector () {
	region=$1

tomofuminijo / guardduty-enabled-all-region.sh

Last active February 14, 2020 23:38

Sample script to create a GuardDuty master and some members configuration in all regions

	#!/bin/bash
	OPERATION_REGION=us-east-1
	ROLE_NAME=OrganizationAccountAccessRole
	#Change your master account id
	MASTAR_ACCOUNT_ID=<YOUR_MASTER_ACCOUNT_ID>

	regions=$(aws ec2 describe-regions --query "Regions[].RegionName" --region $OPERATION_REGION --output text)

	function switch_role () {
	account_id=$1

tomofuminijo / config-recorder-enabled.yaml

Last active February 18, 2024 21:58

Enabled Config Recorder for Any Accounts, all regions

	AWSTemplateFormatVersion: 2010-09-09
	Description: Enable AWS Config
	Parameters:
	AuditS3BucketName:
	Type: String
	OrganizationId:
	Type: String

	Resources:
	ServiceLinkedRoleForConfig:

tomofuminijo / config-s3-bucket.yaml

Created February 11, 2020 07:18

Create S3 Bucket for aggregating AWS Config records

	WSTemplateFormatVersion: 2010-09-09
	Description: Create S3 Bucket for Config

	Parameters:
	AuditS3BucketName:
	Type: String
	OrganizationId:
	Type: String

	Resources:

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