My Chef shortcuts and command reminders

Chef Handy Reference

** Node Operations **

knife node list
knife node delete name_of_server
knife node bulk delete name_of_server
knife node run_list add name_of_server 'recipe[nginx]'
knife node run_list remove name_of_server 'role[iptables]'

** Deploy **

knife ssh 'name:name_of_server*' 'sudo chef-client' -i private.pem -x ubuntu
knife ssh 'role:role_of_server*' 'sudo chef-client' -i private.pem -x ubuntu

** Cookbooks **

knife cookbook upload -a
knife cookbook upload iptables
knife cookbook bulk delete freeradius
knife cookbook site install nodejs

** Roles **

knife role from file roles/webserver.rb  

** Knife EC2 create server **

knife ec2 server create -G default -I ami-3d160149 -f t1.micro \
  -S name_of_key -i private.pem -x ubuntu -d ubuntu10.04-gems-qs \
  -r 'role[webserver],role[iptables]' \
  --region eu-west-1

** Knife EC2 bootstrap ** 

knife bootstrap ec2-79-125-70-51.eu-west-1.compute.amazonaws.com \
  --ssh-user ubuntu \
  -i private.pem \
  --ssh-port 22 \
  -r 'role[webserver]' \
  --sudo \
  --node-name "radius_1"

** Create VPC Instance **

knife ec2 server create \
  -g sg-xxxf \
  -s subnet-xxx \
  -I ami-xxx -f m1.small \
  -i private.pem \
  -x ubuntu \
  --server-connect-attribute private_ip_address \
  --ssh-gateway [email protected] \
  -S sec_group \
  -r 'role[load_balancer]' \
  --region eu-west-1 \
  -E production

** Run chef on remote VPC **

knife ssh 'role:elastic*' 'sudo chef-client' -G [email protected] -x ubuntu -i private.pem --attribute ipaddress

** Knife Server Start Stop **

knife ec2 server start -i instance-id,instance-id -t tag=pattern*,tag=value
knife ec2 server stop -i instance-id,instance-id -t tag=pattern*,tag=value

** SSH Problems ** 

WARNING: Failed to connect to  -- Net::SSH::Disconnect: connection closed by remote host

Generally fixed with:

ss-add private_key