micklove

# Add this to your ~/.aws/cli/alias file
#
# rit == (R)unning (I)nstances by (T)ag 
#        (Name and Value)
# 
# Allows users to filter their AWS instances, which are running, by Tag Name / Value and see a summarised view.
# 
# Pre-requisite - Expects one tag to be 'Name'
#
# e.g. With 1 Tag Match the Instance tagged with "branch" of "develop"

micklove

Useful AWS command line tools

awscli

The AWS Command Line Interface (CLI) is a unified tool to manage your AWS services.

Installation details

nb: See http://embedyoutube.org/ for embedding of youtube vids in markdown.

micklove

#!/usr/bin/env bash

# diff file at given path to committed version.
# Use colordiff, if installed 
# e.g. gdiff my-file.c

PREFERRED_DIFFER="colordiff"
command -v ${PREFERRED_DIFFER} >/dev/null 2>&1 || PREFERRED_DIFFER="diff"

if [[ -z "${1}" ]]; then

micklove

# Use jq to grab the various scripts from package.json and expose them as a make targets
# Based on the awesome script from https://gist.github.com/kvz/79554af7f2d1b1379536
# (but with jq... for something different)
# can use autocomplete (make <TAB><TAB> )
TARGETS:=$(shell jq -r ".scripts | keys | .[]" package.json | sed 's/:/-/g')
define npm_script_targets
$$(TARGETS):
	npm run $(subst -,:,$(MAKECMDGOALS))

.PHONY: $$(TARGETS)

micklove

# HELP - will output the help for each task in the Makefile
# In sorted order.
# The width of the first column can be determined by the `width` value passed to awk
#
# thanks to https://marmelab.com/blog/2016/02/29/auto-documented-makefile.html for the initial version.
#
help: ## This help.
	@grep -E -h "^[a-zA-Z_-]+:.*?## " $(MAKEFILE_LIST) \
	  | sort \
	  | awk -v width=36 'BEGIN {FS = ":.*?## "} {printf "\033[36m%-*s\033[0m %s\n", width, $$1, $$2}'

micklove

## Dump a prettified version of given var, with a column width of 40,
##e.g.
##
##   MY_STACK                    - micks-stack
##   MY_BUCKET                   - micks-bucket
## nb: 033 is yellow
##
define dump_var
	@echo $(1) $(2) | awk -v width=40 '{printf "\033[33m%-*s\033[0m - %s\n", width, $$1, $$2}'
endef

micklove

# apologies, forgotten the book I got this from... but very useful :O
# see origin function at https://www.gnu.org/software/make/manual/html_node/Origin-Function.html

dump-var-origin: ## useful for debugging
	@$(foreach V,$(sort $(.VARIABLES)),   \
	 $(if $(filter-out environ% default automatic, \
	 $(origin $V)), $(info $V=$($V) ($(value $V)))))

# Usage - make dump-var-origin

micklove

cloudformation-templates: ## Find all Cloudformation Templates e.g. for yamlint, cfnlint, cfnnag, etc...
	@find -E $(CURDIR) \
	  -regex ".*(yaml|yml|json|template)" \
	  -not -path "*/node_modules/*" \
	  -exec grep -il AWSTemplate {} \; \
	  | grep -v ".aws-sam"