cgswong

#!/bin/bash
# Setup CentOS 7 host as AMI

# Update base OS update, and install EPEL repo and Python Pip
sudo yum -y update
sudo yum –y install epel-release
sudo yum -y install python-pip

# Install Python add-ons:
sudo pip install pystache 

cgswong

1. Find ID of container to move
`docker ps -a` or `docker images`

2. Save container as new image:
`docker save [newimage] | gzip > /tmp/docker-[newimage].tar.gz`

3. Copy file, `/tmp/docker-[newimage].tar.gz`, to destination and gunzip

4. Load new image:
`docker load --input docker-[newimage].tar`

cgswong

#!/bin/bash

# CoreOS channel ["stable" | "beta" | "alpha"]
channel=${1:-"alpha"}
# AWS AMI disk backing ["pv" | "hvm"]
disk=hvm

# Use default us-east-1 region
region=${2:-"us-east-1"}

cgswong

#!/bin/bash

# Set locale: this is required by the standard Mesos startup scripts
echo "info: Setting locale to en_US.UTF-8..."
locale-gen en_US.UTF-8 > /dev/null 2>&1

# Start syslog if not started....
echo "info: Starting syslog..."
service rsyslog start > /dev/null 2>&1

cgswong

# #####################################################################
# DESC: Logstash configuration file. Typically forwarding logs to
#       Elasticsearch instance.
# #####################################################################

# Where to get input
input {
  # Get input from Redis queue
  redis {
    data_type => "list"

cgswong

# #####################################################################
# DESC: Logstash configuration file. Typically forwarding logs to
#       Elasticsearch instance.
# #####################################################################

# Where to get input
input {
  # Get input from Apache logs
  file {
    type            => "apache-access"

cgswong

# syslog/relp

grok {
    match => { "@message" => "(?:%{INT:syslog6587_msglen} )?<%{POSINT:syslog_pri}>(?:%{NONNEGINT:syslog5424_ver} )?(?:%{SYSLOGTIMESTAMP:syslog_timestamp}|%{TIMESTAMP_ISO8601:syslog_timestamp}) %{SYSLOGHOST:syslog_hostname} %{DATA:syslog_program}(?:\[%{POSINT:syslog_pid}\])?(:)? %{GREEDYDATA:syslog_message}" }
    add_field => [ "received_at", "%{@timestamp}" ]
    add_field => [ "received_from", "%{host}" ]
    add_tag => [ "syslog_standard" ]
    tag_on_failure => ["_grokparsefailure-syslog_standard"]
}

cgswong

#!/usr/bin/env python3

#   Copyright 2015 Open Source Robotics Foundation, Inc.
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#

cgswong

#! /bin/bash

echo "Removing exited docker containers..."
docker rm -v $(docker ps -a -f status=exited -q)

echo "Removing untagged images..."
docker rmi $(docker images --no-trunc | grep "<none>" | awk '{print $3}')

echo "Removing unused docker images"
images=($(docker images | awk '{print $1":"$2}'))

cgswong

upstream kibana {
  server 127.0.0.1:5601 fail_timeout=0;
}

server {
  listen      80;
  return 301 https://example.com;
}

server {