byteshiva

$ sudo systemctl stop consul socorro-processor
# run local single-node consul server
$ consul agent -server -bootstrap-expect 1 -data-dir /tmp/consul &
# ensure that no data is in local consul server
$ consulate kv backup
[]
# should only be a single member of this "cluster"
$ consul members
# load new config to test
$ cat socorro.consul.config.json | consulate kv restore

byteshiva

#!/bin/bash

# From https://gist.github.com/philips/56fa3f5dae9060fbd100

source /etc/environment
name=$(cat /etc/machine-id)
 
if [ ! -f /opt/consul ]; then
        mkdir /opt
        mkdir /var/lib/consul

byteshiva

[/etc/consul-template]$ cat config/config.json 
consul = "localhost:8500"
token = ""
retry = "10s"

log_level = "debug"
template {
  source = "/etc/consul-template/clusterit.ctmpl"
  destination = "/etc/clusterit.consul"
  command = "true"

byteshiva

---
# This Playbook bounces a consul cluster that is unable to elect a leader

# push peers.json to the consul/raft data directory, change single quotes to doubles, restart consul servers
- hosts: consulservers
  become: yes

# update the peers.json file with the correct consul server ip addresses and port
  tasks:
    - include_vars: roles/consul/vars/main.yml

byteshiva

Grab the two node vagrant set up from here: 

https://github.com/hashicorp/consul/tree/master/demo/vagrant-cluster

Install consul

wget https://dl.bintray.com/mitchellh/consul/0.4.1_linux_amd64.zip

Copy consul into /usr/local/bin

byteshiva

#!/bin/bash
hostname="consul-$(curl -s http://169.254.169.254/latest/meta-data/instance-id)"
CONF=/etc/consul/config/000-consul.json
TEMPLATE="/mnt/dashboard/consul-config/config.json"
x=0

rm -f $CONF
rm -f /tmp/instances $$ rm -f /tmp/*.json

restart consul

byteshiva

sudo useradd consul
sudo mkdir -p /etc/consul.d/{bootstrap,server,client}
sudo mkdir /var/consul
sudo chown consul:consul /var/consul
wget -nc -nv https://releases.hashicorp.com/consul/0.6.4/consul_0.6.4_linux_amd64.zip 1&>2
unzip -o consul_0.6.4_linux_amd64.zip
sudo cp consul /usr/local/bin

if [ "$HOSTNAME" = mesos-master ]; then
    echo "on master"

byteshiva

#!/bin/bash
# <bitbar.title>Consul Services</bitbar.title>
# <bitbar.version>v1.0</bitbar.version>
# <bitbar.author>Ben Brooks</bitbar.author>
# <bitbar.author.github>bbrooks</bitbar.author.github>
# <bitbar.desc>Displays services in Consul, along with their port numbers</bitbar.desc>
# <bitbar.image>https://i.imgur.com/RB7z44c.png</bitbar.image>
# <bitbar.dependencies>jq,curl</bitbar.dependencies>
# <bitbar.abouturl>https://github.com/matryer/bitbar-plugins/blob/master/Dev/Consul/consul_services.5s.sh</bitbar.abouturl>
#

byteshiva

consulmasterserver:
  command: -server -bootstrap-expect 3 -config-file /etc/configs/acl.json
  image: progrium/consul:latest
  hostname: node_1
  name: node_1
  ports:
    - "27017:27017"
  volumes:
    - ~/docker-consul/config:/etc/configs:ro

byteshiva

#! /usr/bin/python
# Sanity check that consul-template is writing the services in Consul to the
# nginx config file.
import requests

HOST = '10.1.1.13'
CONSUL_PORT = 8500
NGINX_CONFIG_PATH = '/etc/nginx/sites-enabled/consul_template.conf'