Skip to content

Instantly share code, notes, and snippets.

View mumoshu's full-sized avatar
🏠
Working from home

Yusuke Kuoka mumoshu

🏠
Working from home
1.1k followers · 59 following
View GitHub Profile
@mumoshu
mumoshu / sedtest.sh
Created February 28, 2014 06:57
Test which sed is installed on your system
testfile="/tmp/$(basename $0).$$.tmp"
echo test > $testfile
out=$(sed -e "s/^//" -i "" $testfile 2>&1)
sed_exit_status=$?
$(echo $out | grep "sed: can't read : No such fil or directory")
grep_exit_status=$?
echo $grep_exit_status
if [ $sed_exit_status -ne 0 ]; then
echo GNU sed
@mumoshu
mumoshu / print_installed_java_versions_in_mac_os_x.sh
Last active August 29, 2015 13:57
#!/bin/sh
/usr/libexec/java_home -V 2>&1 \
| awk -F',' '$1 ~ /1.[678].0(_[a-z0-9\-]+)?$/ { gsub(/^ +/, ""); print $1 }'
#
#Output:
#
# 1.8.0
# 1.7.0_06
@mumoshu
mumoshu / select_java_home.sh
Last active August 29, 2015 13:57
#!/bin/sh
# Usage:
# source select_java_home.sh
function select_java_home
{
local java_home_cmd=/usr/libexec/java_home
@mumoshu
mumoshu / ec2-ipaddr
Last active August 29, 2015 13:59
#!/bin/sh
#
# 前提
#
# awscliとjqをインストールしておくこと
# Mac OS Xならそれぞれbrew install awscliとbrew install jqでOK
# DEBUG=1 ec2-ipaddr hoge
# などと実行すると、デバッグモードになる
@mumoshu
mumoshu / memo.md
Last active August 29, 2015 14:01

以下のような感じで実装できるかも。

# ServerからClientへのKeepAliveに対する応答
connection.on_global_request("keep-alive@openssh.com") do |data, want_reply|
  puts "data: #{data.inspect}"
  puts "want_reply: #{want_reploy}"
end

# ClientからServerへのKeepAlive要求
@mumoshu
mumoshu / function-retry.sh
Last active August 29, 2015 14:01
test-kitchenのdestroyやsetupが時々失敗するので、リトライをかける
# ~/.bash_profileなどに追加しておくと便利
retry () {
echo retry: Running $@ with retries
local label=retry:
local temp_file=$(mktemp -t temp_file.tmp)
local exit_status_file=$(mktemp -t exit_status.tmp)
local trial_num=
local exit_status=
local max_trial_num=5
local re='^[0-9]+$'
@mumoshu
mumoshu / s3-access-control-with-source-ip-and-username.json
Last active August 29, 2015 14:05
{
"Version": "2008-10-17",
"Id": "Policy<UNIQUE_ID>",
"Statement": [
{
"Sid": "Stmt<UNIQUE_ID>",
"Effect": "Deny",
"NotPrincipal": {
"AWS": "arn:aws:iam::アカウントID:user/Wercker向けIAMユーザ名"
},
@mumoshu
mumoshu / ar_relation_test.rb
Created August 26, 2014 08:50
bundle exec ruby ar_relation_test.rb
require 'active_record'
require 'mysql2'
require 'minitest/autorun'
require 'logger'
puts "ActiveRecord: #{ActiveRecord::VERSION::STRING}"
ActiveRecord::Base.establish_connection(adapter: "mysql2", host: "localhost", database: "test")
ActiveRecord::Base.logger = Logger.new(STDOUT)
class Author < ActiveRecord::Base
@mumoshu
mumoshu / action_view_and_partial_templates_in_rails_console.rb
Created October 16, 2014 15:02
ActionView・Partial TemplatesをRails Consoleでテストする方法
Rails.application.routes.default_url_options = { :host => 'example.com' }
view_paths = Rails.application.config.paths["app/views"]
action_view = ActionView::Base.new(view_paths).tap do |av|
action_view.class_eval do
include ApplicationHelper
include Rails.application.routes.url_helpers
include JobOffersHelper
end
end; nil
@mumoshu
mumoshu / reliable.rb
Last active August 29, 2015 14:17
module Reliable
def retries(method, up_to:, on:, delay: Tryer.delay, before_retry: Tryer.before_retry, after_call: Tryer.after_call)
original_method = :"#{method}_without_reliable"
alias_method original_method, method
tryer = Tryer.new(up_to: up_to, on: on, delay: delay, before_retry: before_retry, after_call: after_call)
define_method method do |*args|
tryer.reliably do
__send__ original_method, *args
end