Scott Ford smford22

Setting Up Kubernetes on Ubuntu 18.04

This document is an overview of setting up a Kubernetes cluster on three Ubuntu 18.04 nodes. The three nodes are described as follows with the following components installed:

Kubernetes Components

Kubernetes is made up of multiple components that make up a cluster. Many of the components are actually pods in the cluster running under kube-system. The following components make up the k8s control plane

etcd

etcd is a synchronized data store for storing and sharing the cluster state across nodes in the cluster

`kube-apiserver`

Local Habitat Windows Workstation for Mac OS X with Vagrant and VirtualBox

The following document describes how to setup a Mac OS X workstation for developing Habitat Packages for Windows using Vagrant and VirtualBox

Software Tools Prereqs:

Before you begin you should have the following tools installed on your Mac workstation:

Vagrant
VirtualBox
vagrant-reload plugin - Open a terminal and run the command vagrant plugin install vagrant-reload

	# Simple Inspec control
	control 'cve-blah-blah-blah' do
	impact 1.0
	title 'Ensure our systems are not vulnerable to the blah blah blah cve'
	desc 'Blah Blah Blah VVE is dangerous'
	describe file('/tmp/blahblahblah') do
	it { should_not exist }
	end
	end


	curl https://raw.githubusercontent.com/habitat-sh/habitat/master/components/hab/install.sh \| sudo bash
	hab license accept

	cat << EOF > /etc/systemd/system/hab-sup.service
	[Unit]
	Description=Habitat Supervisor

	[Service]
	ExecStartPre=/bin/bash -c /bin/systemctl

	title 'Password Policy'

	control 'cis-enforce-password-history-1.1.1' do
	impact 0.7
	title '1.1.1 Set Enforce password history to 24 or more passwords'
	desc 'Set Enforce password history to 24 or more passwords'
	describe security_policy do
	its('PasswordHistorySize') { should be >= 24 }
	end
	end

	pkg_name=national-parks
	pkg_origin=<YOUR ORIGIN>
	pkg_version="6.3.0"
	pkg_maintainer="The Habitat Maintainers [email protected]"
	pkg_license=("Apache-2.0")
	pkg_deps=(core/tomcat8 core/jre8 core/mongo-tools)
	pkg_build_deps=(core/jdk8/8u131 core/maven)
	pkg_svc_user="root"
	pkg_binds=(
	[database]="port"

	#!/bin/bash

	ln -vsf {{pkg.svc_config_path}}/conf_server.xml {{pkgPathFor "core/tomcat8"}}/tc/conf/server.xml

	{{#if bind.database ~}}
	{{pkgPathFor "core/mongo-tools"}}/bin/mongoimport --drop -d demo -c nationalparks --type json --jsonArray --file {{pkg.path}}/national-parks.json --host={{bind.database.first.sys.ip}} --port={{bind.database.first.cfg.port}}
	{{/if ~}}

	#!/bin/bash

	{{#if bind.database ~}}
	export CATALINA_OPTS="-DMONGODB_SERVICE_HOST={{bind.database.first.sys.ip}} -DMONGODB_SERVICE_PORT={{bind.database.first.cfg.port}} -DMONGODB_DATABASE={{cfg.mongodb_database}}"
	{{/if ~}}

	export JAVA_HOME="{{pkgPathFor "core/jre8"}}"
	export TOMCAT_HOME="{{pkgPathFor "core/tomcat8"}}/tc"
	cp {{pkg.path}}/*.war $TOMCAT_HOME/webapps
	exec ${TOMCAT_HOME}/bin/catalina.sh run