Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDay...

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Deploying 
with Docker
DevOps Days PGH
2014.05.30
a.k.a. provisioning docker containers and images with Chef
Deploying 
wi...

Why do we still need 
<insert tool here>?

But… we have
Dockerfiles!

It’s a shell-script?
$ cat SomeApp/Dockerﬁle 
 
FROM ubuntu:13.10 
 
RUN apt-get update; apt-get install apache 
RUN sed ’...

I ♥ #!/bin/bash
. oo # https://raw.githubusercontent.com/ 
# ewindisch/bashoo/master/lib/oo 
 
# Classes are created impli...

stack:~/devstack$ wc -l stack.sh functions  
functions-common  
lib/* lib/*/* | tail -n1
15490 total

DevOps 
or
crazy-sauce
?

$ cd ~/rpm-chef 
$ cat Dockerfile 
FROM fedora 
RUN yum update  
yum -y install chef
DockerChef

$ cd ~/omnibus-chef 
$ cat Dockerfile 
FROM fedora"
RUN curl -L  
https://www.opscode.com/chef/install.sh | 
/bin/bash
Doc...

Traditional Chef
Hardware
OS
Linux
Chef
Installs Chef
Runs
Conﬁgures

Images on HW 
is usually mutable
Hardware
Image
Linux
Chef
Installs Chef
Image'
Linux
Chef
Creates
Replaces
Runs

Ephemeral environments 
are (somewhat) immutable.
Hypervisor
Image
Linux
Chef
Runs
Image'
Linux
Chef
Chef
Runs
Conﬁgures
V...

Chef-for-runtime
$ cat Dockerfile 
FROM fedora 
RUN yum update;  
yum -y install chef 
ADD http://x/receipes.tar.gz /opt/c...

Containers 
are 
THINGS

Servers vs Things
 
Pets vs Cattle

LET US  
BAKE 
IMAGES!
Let us
BAKE
images!

Containers are like
ephemeral VMs*
* Docker containers don’t HAVE to be ephemeral,
but it’s TheRightThing
Docker
Image
Lin...

Bakery Chef
$ cat Dockerfile 
FROM fedora 
RUN yum update;  
yum -y install chef"
 
ADD http://x/receipes.tar.gz /opt/chef...

Burning configuration 
into images.
Docker ContainerInitiates Creates
Image
Linux
Chef
Chef
Runs
Conﬁgures
Build Creates

Expanded view: 
Burning configuration into
images.
Docker Image tagInitiates
Image'
Linux
Chef
Chef
Build
Image
Linux
Chef...

Anatomy of a Docker
+Chef build & run
Docker ContainerInitiates Creates
Image
Linux
Chef
Chef
Runs
Conﬁgures
Chef
Runs
Con...

For All The Things!
$ cat Dockerfile 
FROM fedora 
RUN yum update;  
yum -y install chef 
 
ADD http://x/receipes.tar.gz /...

Does it converge?
$ docker build —rm . 
$ echo $? # pass or fail
(This is great use of Docker as an
alternative to VMs for...

Deploying Docker
(for real this time)

#!/bin/bash -x
aws ec2 run-instances
--image-id ami-e55a648c
--key-name my-key
--user-data "#include https://get.docker...

# using https://github.com/bflad/chef-docker
 
$ cat cookbooks/docker-registry/default.rb 
# Pull latest image
docker_imag...

docker::run { 'helloworld': 
image => 'base', 
command => '/bin/sh -c "while true; do echo
hello world; sleep 1; done"', 
...

Orchestration for Docker 
with OpenStack Heat
DockerInc::Docker:
:Container
VMs
Baremetal

Heat Workﬂow
Heat API
VM
Docker
NovaNova resource
Docker resource
Container1
Container2
Container3
HOT

heat_template_version: 2013-05-23
description: shared volumes example
resources:
my_instance:
type: OS::Nova::Server
prope...

Ansible
- hosts: web 
sudo: yes 
tasks: 
- name: ensure redis container is running 
docker: image=crosbymichael/redis name...

Mesos Flynn.io

Creating Containers
is Easy

Managing them
SUCKS
needs improvement

This is probably
material for another
talk…

Container Inventory
• discoverd / sdutil
• serf
• skydock
• others?

Q & A
@ewindisch

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

Deploying Docker (Provisioning /w Docker + Chef/Puppet) - DevopsDaysPGH

You are reading a preview.

Activate your 30 day free trial to continue reading.

Share SlideShare

Facebook
Twitter
LinkedIn

Embed

Size (px)

Show related SlideShares at end

WordPress Shortcode

Link

LinkedIn
Facebook
Twitter
Email

Replay

Top clipped slide

1 of 64 Ad

1 of 64 Ad