bobuss

Create a Redis Cluster with docker-machine

Requirements

• docker
• docker-machine
• redis-trib.rb

We use a home made redis-3.0 docker image (https://registry.hub.docker.com/u/bobuss/redis-cluster/), with the cluster mode enabled, and the classical ports exposed (6379 for redis and 16379 for the cluster).

naviat

#!/bin/sh

if [ -z "$1" ] ; then userid=$(whoami); else userid=$1; fi
sudo tee /etc/sudoers.d/${userid} > /dev/null <<EOF
${userid} ALL=(root) NOPASSWD:ALL
EOF

naviat

#!/bin/bash
#Author Hai Dam <haidv@tomochain.com>

export DOCKER_COMPOSE_VERSION="1.24.0"

set -eu

function echocolor {
    echo "$(tput setaf 2) $1 $(tput sgr0)"
}

naviat

The list

Text	Image	Shortcode	When to use it
🎉	🎉	:tada:	initial commit
✨	✨	:sparkles:	when adding a new user-facing feature
🎨	🎨	:art:	when improving UI
📦	📦	:package:	when refactoring or improving code
🐎	🐎	:racehorse:	when improving performance
🔒	🔒	:lock:	when improving security

naviat

Helm cheatsheet

• Helm cheatsheet
  • Get started
  • Struture
  • General Usage
  • Template
  • Hooks

naviat

Mastering your history

Frequently rebasing from master

If you work on feature branches, like we do, that are based off a parent branch (e.g. the master branch of the main repository), you want to avoid your branch getting out of sync with the latest work in the parent branch.

As time goes by, your forked branch where you’re working can become significantly out of sync with the latest master branch. This may mean that merging your work

naviat

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

naviat

(still a work-in-progress)

Shortlinks:

• Cluster Health
  • Index Level
  • Shard Level
• Nodes Overview
• Indices Overview
• Cluster Maintenance

naviat

# The same algorithm which is used in Google Analytics (https://support.google.com/analytics/answer/2731565?hl=en):
# Time-based expiry (including end of day):
# - After 30 minutes of inactivity
# - At midnight

# Enable dynamic scripting for Groovy (https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-scripting.html#_enabling_dynamic_scripting)
# ! WARNING: please read about security first

# Usage:
#

naviat

# Maintainer: Jakub Hajek, jakub.hajek@cometari.com
#
# docker stack deploy -c stack-elastic.yml elastic
#
# The stack creates Elasticsearch cluster consiting of
# - 3 dedicated master nodes in order to keep quorum
# - 4 dedicated data nodes to manage CRUD,
#
# Docker compose file to easily deploy Elasticsearch cluster 7.x on Docker Swarm cluster.