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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2010 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'chef/knife'
require 'chef/json'
require 'tempfile'
require 'erubis'
class Chef
class Knife
class Bootstrap < Knife
banner "knife bootstrap FQDN [RUN LIST...] (options)"
option :ssh_user,
:short => "-x USERNAME",
:long => "--ssh-user USERNAME",
:description => "The ssh username",
:default => "root"
option :ssh_password,
:short => "-P PASSWORD",
:long => "--ssh-password PASSWORD",
:description => "The ssh password"
option :identity_file,
:short => "-i IDENTITY_FILE",
:long => "--identity-file IDENTITY_FILE",
:description => "The SSH identity file used for authentication"
option :chef_node_name,
:short => "-N NAME",
:long => "--node-name NAME",
:description => "The Chef node name for your new node"
option :prerelease,
:long => "--prerelease",
:description => "Install the pre-release chef gems"
option :distro,
:short => "-d DISTRO",
:long => "--distro DISTRO",
:description => "Bootstrap a distro using a template",
:default => "ubuntu10.04-gems"
option :use_sudo,
:long => "--sudo",
:description => "Execute the bootstrap via sudo",
:boolean => true
option :template_file,
:long => "--template-file TEMPLATE",
:description => "Full path to location of template to use",
:default => false
option :run_list,
:short => "-r RUN_LIST",
:long => "--run-list RUN_LIST",
:description => "Comma separated list of roles/recipes to apply",
:proc => lambda { |o| o.split(",") },
:default => []
def h
@highline ||= HighLine.new
end
def load_template(template=nil)
# Are we bootstrapping using an already shipped template?
if config[:template_file]
bootstrap_files = config[:template_file]
else
bootstrap_files = []
bootstrap_files << File.join(File.dirname(__FILE__), 'bootstrap', "#{config[:distro]}.erb")
bootstrap_files << File.join(Dir.pwd, ".chef", "bootstrap", "#{config[:distro]}.erb")
bootstrap_files << File.join(ENV['HOME'], '.chef', 'bootstrap', "#{config[:distro]}.erb")
end
template = Array(bootstrap_files).find do |bootstrap_template|
Chef::Log.debug("Looking for bootstrap template in #{File.dirname(bootstrap_template)}")
File.exists?(bootstrap_template)
end
unless template
Chef::Log.info("Can not find bootstrap definition for #{config[:distro]}")
raise Errno::ENOENT
end
Chef::Log.debug("Found bootstrap template in #{File.dirname(template)}")
IO.read(template).chomp
end
def render_template(template=nil)
context = {}
context[:run_list] = config[:run_list]
context[:config] = config
Erubis::Eruby.new(template).evaluate(context)
end
def run
require 'highline'
validate_name_args!
$stdout.sync = true
Chef::Log.info("Bootstrapping Chef on #{h.color(config[:server_name], :bold)}")
begin
knife_ssh.run
rescue Net::SSH::AuthenticationFailed
unless config[:ssh_password]
puts "Failed to authenticate #{config[:ssh_user]} - trying password auth"
knife_ssh_with_password_auth.run
end
end
end
def validate_name_args!
if Array(@name_args).first.nil?
Chef::Log.error("Must pass an FQDN or ip to bootstrap")
exit 1
end
end
def server_name
Array(@name_args).first
end
def knife_ssh
ssh = Chef::Knife::Ssh.new
ssh.name_args = [ server_name, ssh_command ]
ssh.config[:ssh_user] = config[:ssh_user]
ssh.config[:ssh_password] = config[:ssh_password]
ssh.config[:identity_file] = config[:identity_file]
ssh.config[:manual] = true
ssh
end
def knife_ssh_with_password_auth
ssh = knife_ssh
ssh.config[:identity_file] = nil
ssh.config[:ssh_password] = ssh.get_password
ssh
end
def ssh_command
command = render_template(load_template(config[:bootstrap_template]))
if config[:use_sudo]
command = "sudo #{command}"
end
command
end
end
end
end
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