Chef introduction

1. Chef
introduc.on
Touch
the
chef-­‐solo

2. Agenda
1. Goal
2. About
Chef
3. Install
Chef
4. Chef
Basic
Usage

3. Agenda
1. Goal
2. About
Chef
3. Install
Chef
4. Chef
Basic
Usage

4. Goal
1. Learn
basic
knowledge
of
Chef
2. Learn
basic
command
of
Chef-­‐solo
3. Use
Chef-­‐solo

5. Agenda
1. Goal
2. About
Chef
3. Install
Chef
4. Chef
Basic
Usage

6. About
Chef
• Chef
(Opscode)
developed
this
– hIp://www.getchef.com/blog/2013/12/09/chef-­‐the-­‐company-­‐
formerly-­‐known-­‐as-­‐opscode/
• System
configure
management
tool
using
Ruby
• Similar
Tool
– CFEngine
– Puppet
– Ansible

7. Specially
• idempotence
– The
same
result
even
if
performed
mul.ple
.mes
*
Chef
defines
the
last
server
configura.on
• Independent
to
plaVorm
• Reuse
cookbook
/
recipe
– These
are
published
on
Community/Github
• We
can
construct
server
by
code
• We
can
manage
server
status
by
code

8. Chef
Rela.onship
From
official

9. Repository
/
Cookbook
/
Recipe
Repository
Cookbook
Recipe
• Repository:
The
loca.on
in
which
cookbooks,roles,
data
bags,
environment
and
configura.on
files
are
stored
• Cookbook:
The
fundamental
unit
of
configura.on
and
policy
distribu.on
• Recipe:
The
most
fundamental
configura.on
element
within
the
organiza.on

10. What
kind
of
vender
used
Chef
• Facebook
• Splunk
• CyberAgent
• GREE

11. Agenda
1. Goal
2. About
Chef
3. Install
Chef
4. Chef
Basic
Usage

12. Install
Chef
(Client)
• Package
hIps://opscode-­‐omnibus-­‐packages.s3.amazonaws.com/el/6/
x86_64/chef-­‐11.14.2-­‐1.el6.x86_64.rpm
hIps://opscode-­‐omnibus-­‐packages.s3.amazonaws.com/debian/6/
x86_64/chef_11.14.2-­‐1_amd64.deb
• Shell
curl
-­‐L
hIps://www.opscode.com/chef/install.sh
|
bash
• Gem
(not
recommend)
gem
install
chef
From
hIp://www.getchef.com/chef/install/

13. Agenda
1. Goal
2. About
Chef
3. Install
Chef
4. Chef
Basic
Usage

14. Chef-­‐solo
Basic
Usage
1. Repository
crea.on
(knife
solo
init
[Path])
2. Chef-­‐solo
config
fie
crea.on
3. Get/Create
cookbook
4. Node
file
included
run_list
crea.on
5. Chef-­‐solo
execu.on

15. 1.
Repository
crea.on
• Command
– knife
solo
init
[Path]
※Before
this
command,
setup
knife
through
[knife
configure]
• Detail
of
under
repository
– Cookbooks
:
The
store
of
published
cookbook
– data_bags
:
A
piacere
data
store
which
we
can
refer
– Environments
:
The
informa.on
to
map
an
organiza.on’s
real-­‐life
workflow
– Nodes
:
The
informa.on
that
is
configured
to
be
maintained
by
chef
client
– Roles
:
The
informa.on
to
define
certain
paIerns
and
processes
– site-­‐cookbooks
:
The
store
of
self
cookbook

16. 2.
Chef-­‐solo
Configure
File
• cookbook_path
The
path
of
cookbooks
(This
is
separated
by
comma)
• file_backup_path
The
path
of
backup
file
Default:
/var/chef/backup
• file_cache_path
The
path
to
cache
data
which
is
temporary
and
cookbook
• log_level
The
level
of
log
which
is
wriIen
to
file
Default:
auto
(other:
debug,
info,
warn,
error,
fatal)
If
you
more
learn,
please
check
hIp://docs.getchef.com/config_rb_solo.html

17. 3.
Get/Create
cookbook
• In
the
case
to
get
external
such
as
community
– The
environment
which
is
needed
proxy
• Write
the
followings
to
.chef/knife.rb
(Under
the
repository)
– hIp_proxy
“hIp://VIP:PORT”
– hIps_proxy
hIp://VIP:PORT
– knife
cookbook
site
download
“[Recipe-­‐Name]”
• We
can
get
the
file
formaIed
tar.gz
from
hIps://supermarket.getchef.com/cookbooks
• Ajer
unpacking,
we
need
to
move
it
to
cookbook
directory

18. 3.
Get/Create
cookbook
• In
the
case
of
self
cookbook
– knife
cookbook
create
[Recipe-­‐name]
–o
site-­‐
cookbooks
– The
above
command
creates
unnecessary
directories.
So
we
need
to
delete
these.
– On
the
other
hand,
we
create
only
needed
directories
by
mkdir
command

19. 3.
Detail
the
under
the
Recipe
• Detail
of
under
Recipe
• recipes
(default.rb
is
wriIen
to
main)
The
processing
file
• Templates
The
file
which
changes
dynamically
(such
as
configura.on
file)
This
exten.on
is
.erb.
In
basic
usage,
target
file
is
set
under
this
ajer
crea.ng
default
directory
• aIributes
(default
value
is
wriIen
on
default.rb)
The
default
value
selng
file
• files
The
file
which
not
change
(such
as
upload
file)
In
basic
usage,
target
file
is
set
under
this
ajer
crea.ng
default
directory
If
you
more
learn,
please
check
hIp://docs.getchef.com/essen.als_cookbooks.h

20. 4.
Node
file
crea.on
• Set
a
variable
value
• Set
recipe
which
we
use
(run_list)

21. Reference
• 公式サイト
– h#p://www.getchef.com/
• 今更聞けない人の為の Chef
再入門
– h#p://blog.schoolwith.me/chef-­‐re-­‐introduc:on/
• Chef入門 ドットインストール
– hIp://do.nstall.com/lessons/basic_chef
• Chef入門
– hIp://tatsu-­‐zine.com/books/chef-­‐solo
• Chef活用ガイド
– hIp://books.rakuten.co.jp/rk/
fec960065935329eb2ae093098277f99/