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############ chefdk #############
provision env on AWS

check you linux distribution:
cat /etc/*-release

download Chef rpm installer: (Src: https://downloads.chef.io/chefdk#sles)
wget https://packages.chef.io/files/stable/chefdk/3.0.36/el/7/chefdk-3.0.36-1.el7.x86_64.rpm

install rpm:
sudo rpm -ivh chefdk-3.0.36-1.el7.x86_64.rpm

############ chef server #############
install chef server: (attention: you need enough memory for it)
sudo wget https://packages.chef.io/files/stable/chef-server/12.17.33/el/7/chef-server-core-12.17.33-1.el7.x86_64.rpm
sudo rpm -ivh chef-server-core-12.17.33-1.el7.x86_64.rpm

initializa chef server:
sudo chef-server-ctl reconfigure

create user:
sudo mkdir ./chef
sudo mkdir ./chef/certs
sudo chef-server-ctl user-create samtsai sam tsai samtsai@lab.io 111111 --filename ./chef/certs/samtsai.pem
sudo chef-server-ctl org-create cheflab "Pluralsight Chef Lab" --association_user samtsai --filename ./chef/certs/cheflab.pem
sudo chef-server-ctl user-create samtsai02 sam02 tsai samtsai02@lab.io 222222 --filename ./chef/certs/samtsai02.pem
sudo chef-server-ctl org-create cheflab02 "Pluralsight Chef Lab02" --association_user samtsai02 --filename ./chef/certs/cheflab02.pem


install manage:
sudo chef-server-ctl install opscode-manage
sudo chef-server-ctl reconfigure
sudo opscode-manage-ctl reconfigure -> type "yes"

############ chef workstation #############
development kit: (not in use)
https://preview.opscode.com/organizations/uopspop-chef-lab/getting_started
donwload it and put it on S3
wget S3 object url
unzip
-> you'll get a chef-repo folder
->-> chef-repo/.chef-knife.rb

donwload user private.pem key:
download it from the chef website
upload it to S3
wget
put it somewhere
vi chef-repo/.chef/kinfe.rb to point to the pem file

ssl setup with Chef server:
sudo knife ssl fetch
sudo knife ssl check

connect:
sudo knife bootstrap api.chef.io --ssh-user samtsai --sudo --identity-file samtsai.pem --node-name samtsai

############ chenf cookbook #############
sudo chef generate cookbook example


############ official tutorial #############
curl https://omnitruck.chef.io/install.sh | sudo bash -s -- -P chefdk -c stable -v 2.5.3
mkdir /tmp/motd
cd /tmp/motd
vi hello.rb
file '/tmp/motd' do
  content 'hello world'
end
chef-client --local-mode hello.rb

ci goodbye.rb
file '/tmp/motd' do
  action :delete
end
chef-client --local-mode hello.rb

package 'httpd'

service 'httpd' do
  action [:enable, :start]
end

file '/var/www/html/index.html' do
  content '<html>
  <body>
    <h1>hello world</h1>
  </body>
</html>'
end


############ workstation -> node : initialization #############
wget https://s3-us-west-2.amazonaws.com/cf-templates-1f3fxvcyh3s0h-us-west-2/ec2-work-key-pair.pem
knife bootstrap 34.216.98.106 --ssh-user ec2-user --sudo --identity-file ~/.ssh/ec2-work-key-pair.pem --node-name node1-myrhel --run-list 'recipe[learn_chef_httpd::default]'
# -> associate the node with chef server
# -> your node downloaded and installed chef-client, downloaded the latest cookbooks, and executed the run-list.
knife node list
knife node node1-myrhel
curl 34.216.98.106

############ workstation -> node : update #############
(not working)sudo knife ssh 'name:node1-myrhel' 'sudo chef-client' --ssh-user ec2-user --identity-file ~/.ssh/ec2-work-key-pair.pem --attribute cloud.public_hostname
sudo ssh ec2-user@34.216.98.106 -i ~/.ssh/ec2-work-key-pair.pem
sudo chef-client
exit

(not working)sudo knife ssh 'role:web' 'sudo chef-client' --ssh-user ec2-user --identity-file ~/.ssh/ec2-work-key-pair.pem --attribute cloud.public_hostname

ls ~/.berkshelf/cookbooks