Class: DevLXC::ChefServer

Inherits:
Object
  • Object
show all
Defined in:
lib/dev-lxc/chef-server.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, cluster_config) ⇒ ChefServer

Returns a new instance of ChefServer.



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# File 'lib/dev-lxc/chef-server.rb', line 8

def initialize(name, cluster_config)
  unless cluster_config["servers"].keys.include?(name)
    raise "Server #{name} is not defined in the cluster config"
  end
  cluster = DevLXC::ChefCluster.new(cluster_config)
  @server = DevLXC::Container.new(name)
  @config = cluster_config["servers"][@server.name]
  @ipaddress = @config["ipaddress"]
  case cluster.topology
  when "open-source", "standalone"
    @role = cluster.topology
  when "tier"
    @role = "bootstrap_backend" if @server.name == cluster.bootstrap_backend
    @role = "frontend" if cluster.frontends.include?(@server.name)
  end
  @mounts = cluster_config["mounts"]
  @bootstrap_backend = cluster.bootstrap_backend
  @chef_server_config = cluster.chef_server_config
  @api_fqdn = cluster.api_fqdn
  @platform_container_name = cluster_config["platform_container"]
  @packages = cluster_config["packages"]

  if File.basename(@packages["server"]).match(/^(\w+-\w+.*)[_-]((?:\d+\.?){3,})-/)
    @chef_server_type = Regexp.last_match[1]
    @chef_server_version = Regexp.last_match[2].gsub(".", "-")
  end

  @shared_container_name = "s#{@platform_container_name[1..-1]}"
  case @chef_server_type
  when 'chef-server-core'
    @shared_container_name += '-cs'
    @server_ctl = 'chef-server'
  when 'private-chef'
    @shared_container_name += '-ec'
    @server_ctl = 'private-chef'
  when 'chef-server'
    @shared_container_name += '-osc'
    @server_ctl = 'chef-server'
  end
  @shared_container_name += "-#{@chef_server_version}"
  @shared_container_name += "-reporting-#{Regexp.last_match[1].gsub(".", "-")}" if @packages["reporting"].to_s.match(/[_-]((\d+\.?){3,})-/)
  @shared_container_name += "-pushy-#{Regexp.last_match[1].gsub(".", "-")}" if @packages["push-jobs-server"].to_s.match(/[_-]((\d+\.?){3,})-/)
end

Instance Attribute Details

#platform_container_name ⇒ Object (readonly)

Returns the value of attribute platform_container_name.



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# File 'lib/dev-lxc/chef-server.rb', line 6

def platform_container_name
  @platform_container_name
end

#server ⇒ Object (readonly)

Returns the value of attribute server.



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# File 'lib/dev-lxc/chef-server.rb', line 6

def server
  @server
end

#shared_container_name ⇒ Object (readonly)

Returns the value of attribute shared_container_name.



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# File 'lib/dev-lxc/chef-server.rb', line 6

def shared_container_name
  @shared_container_name
end

Instance Method Details

#abspath(rootfs_path) ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 62

def abspath(rootfs_path)
  "#{@server.config_item('lxc.rootfs')}#{rootfs_path}" if @server.defined?
end

#configure_manage ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 235

def configure_manage
  if @chef_server_type == 'private-chef'
    puts "Disabling old opscode-webui in /etc/opscode/private-chef.rb"
    DevLXC.search_file_delete_line("#{@server.config_item('lxc.rootfs')}/etc/opscode/private-chef.rb", /opscode_webui[.enable.]/)
    DevLXC.append_line_to_file("#{@server.config_item('lxc.rootfs')}/etc/opscode/private-chef.rb", "\nopscode_webui['enable'] = false\n")
    run_ctl(@server_ctl, "reconfigure")
  end
  run_ctl("opscode-manage", "reconfigure")
end

#configure_push_jobs_server ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 230

def configure_push_jobs_server
  run_ctl("opscode-push-jobs-server", "reconfigure")
  run_ctl(@server_ctl, "reconfigure")
end

#configure_reporting ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 220

def configure_reporting
  if @role == 'frontend'
    puts "Copying /etc/opscode-reporting from bootstrap backend"
    FileUtils.cp_r("#{LXC::Container.new(@bootstrap_backend).config_item('lxc.rootfs')}/etc/opscode-reporting",
                   "#{@server.config_item('lxc.rootfs')}/etc")
  end
  run_ctl(@server_ctl, "reconfigure")
  run_ctl("opscode-reporting", "reconfigure")
end

#configure_server ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 193

def configure_server
  case @role
  when "open-source"
    puts "Creating /etc/chef-server/chef-server.rb"
    FileUtils.mkdir_p("#{@server.config_item('lxc.rootfs')}/etc/chef-server")
    IO.write("#{@server.config_item('lxc.rootfs')}/etc/chef-server/chef-server.rb", @chef_server_config)
    run_ctl(@server_ctl, "reconfigure")
  when "standalone", "bootstrap_backend"
    case @chef_server_type
    when 'private-chef'
      puts "Creating /etc/opscode/private-chef.rb"
      FileUtils.mkdir_p("#{@server.config_item('lxc.rootfs')}/etc/opscode")
      IO.write("#{@server.config_item('lxc.rootfs')}/etc/opscode/private-chef.rb", @chef_server_config)
    when 'chef-server-core'
      puts "Creating /etc/opscode/chef-server.rb"
      FileUtils.mkdir_p("#{@server.config_item('lxc.rootfs')}/etc/opscode")
      IO.write("#{@server.config_item('lxc.rootfs')}/etc/opscode/chef-server.rb", @chef_server_config)
    end
    run_ctl(@server_ctl, "reconfigure")
  when "frontend"
    puts "Copying /etc/opscode from bootstrap backend"
    FileUtils.cp_r("#{LXC::Container.new(@bootstrap_backend).config_item('lxc.rootfs')}/etc/opscode",
                   "#{@server.config_item('lxc.rootfs')}/etc")
    run_ctl(@server_ctl, "reconfigure")
  end
end

#create ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 116

def create
  if @server.defined?
    puts "Using existing container #{@server.name}"
    return
  end
  unique_container = DevLXC::Container.new("u-#{@server.name}")
  if unique_container.defined?
    puts "Cloning shared container #{unique_container.name} into container #{@server.name}"
    unique_container.clone(@server.name, {:flags => LXC::LXC_CLONE_SNAPSHOT|LXC::LXC_CLONE_KEEPMACADDR})
    @server = DevLXC::Container.new(@server.name)
    return
  else
    puts "Creating container #{@server.name}"
    unless %w(open-source standalone).include?(@role) || @server.name == @bootstrap_backend || DevLXC::Container.new(@bootstrap_backend).defined?
      raise "The bootstrap backend server must be created first."
    end
    shared_container = create_shared_container
    puts "Cloning shared container #{shared_container.name} into container #{@server.name}"
    shared_container.clone(@server.name, {:flags => LXC::LXC_CLONE_SNAPSHOT})
    @server = DevLXC::Container.new(@server.name)
    puts "Adding lxc.hook.post-stop hook"
    @server.set_config_item("lxc.hook.post-stop", "/usr/local/share/lxc/hooks/post-stop-dhcp-release")
    @server.save_config
    hwaddr = @server.config_item("lxc.network.0.hwaddr")
    raise "#{@server.name} needs to have an lxc.network.hwaddr entry" if hwaddr.empty?
    DevLXC.assign_ip_address(@ipaddress, @server.name, hwaddr)
    DevLXC.create_dns_record(@api_fqdn, @server.name, @ipaddress) if %w(open-source standalone frontend).include?(@role)
    @server.sync_mounts(@mounts)
    @server.start
    configure_server unless @packages["server"].nil?
    create_users if %w(standalone bootstrap_backend).include?(@role)
    if %w(standalone bootstrap_backend frontend).include?(@role)
      configure_reporting unless @packages["reporting"].nil?
      configure_push_jobs_server unless @packages["push-jobs-server"].nil?
    end
    if %w(standalone frontend).include?(@role) && ! @packages["manage"].nil?
      @server.install_package(@packages["manage"])
      configure_manage
    end
    @server.stop
    puts "Cloning container #{@server.name} into unique container #{unique_container.name}"
    @server.clone("#{unique_container.name}", {:flags => LXC::LXC_CLONE_SNAPSHOT|LXC::LXC_CLONE_KEEPMACADDR})
  end
end

#create_shared_container ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 161

def create_shared_container
  shared_container = DevLXC::Container.new(@shared_container_name)
  if shared_container.defined?
    puts "Using existing shared container #{shared_container.name}"
    return shared_container
  end
  platform_container = DevLXC.create_platform_container(@platform_container_name)
  puts "Cloning platform container #{platform_container.name} into shared container #{shared_container.name}"
  platform_container.clone(shared_container.name, {:flags => LXC::LXC_CLONE_SNAPSHOT})
  shared_container = DevLXC::Container.new(shared_container.name)

  # Disable certain sysctl.d files in Ubuntu 10.04, they cause `start procps` to fail
  # Enterprise Chef server's postgresql recipe expects to be able to `start procps`
  if platform_container.name == "p-ubuntu-1004"
    if File.exist?("#{shared_container.config_item('lxc.rootfs')}/etc/sysctl.d/10-console-messages.conf")
      FileUtils.mv("#{shared_container.config_item('lxc.rootfs')}/etc/sysctl.d/10-console-messages.conf",
                   "#{shared_container.config_item('lxc.rootfs')}/etc/sysctl.d/10-console-messages.conf.orig")
    end
  end
  unless shared_container.config_item("lxc.mount.auto").empty?
    shared_container.set_config_item("lxc.mount.auto", "proc:rw sys:rw")
    shared_container.save_config
  end
  shared_container.sync_mounts(@mounts)
  shared_container.start
  shared_container.install_package(@packages["server"]) unless @packages["server"].nil?
  shared_container.install_package(@packages["reporting"]) unless @packages["reporting"].nil?
  shared_container.install_package(@packages["push-jobs-server"]) unless @packages["push-jobs-server"].nil?
  shared_container.stop
  return shared_container
end

#create_users ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 250

def create_users
  puts "Creating org, user, keys and knife.rb in /root/chef-repo/.chef"
  FileUtils.mkdir_p("#{@server.config_item('lxc.rootfs')}/root/chef-repo/.chef")
  knife_rb = %Q(
current_dir = File.dirname(__FILE__)

chef_server_url "https://127.0.0.1/organizations/ponyville"

node_name "rainbowdash"
client_key "\#{current_dir}/rainbowdash.pem"

validation_client_name "ponyville-validator"
validation_key "\#{current_dir}/ponyville-validator.pem"

cookbook_path Dir.pwd + "/cookbooks"
knife[:chef_repo_path] = Dir.pwd
)
  IO.write("#{@server.config_item('lxc.rootfs')}/root/chef-repo/.chef/knife.rb", knife_rb)
  case @chef_server_type
  when 'private-chef'
    # give time for all services to come up completely
    sleep 60
    pivotal_rb = %Q(
chef_server_root "https://127.0.0.1/"
chef_server_url "https://127.0.0.1/"

node_name "pivotal"
client_key "/etc/opscode/pivotal.pem"

knife[:chef_repo_path] = Dir.pwd
)
    IO.write("#{@server.config_item('lxc.rootfs')}/root/chef-repo/.chef/pivotal.rb", pivotal_rb)
    @server.run_command("/opt/opscode/embedded/bin/gem install knife-opc --no-ri --no-rdoc")
    @server.run_command("/opt/opscode/embedded/bin/knife opc org create ponyville ponyville --filename /root/chef-repo/.chef/ponyville-validator.pem -c /root/chef-repo/.chef/pivotal.rb")
    @server.run_command("/opt/opscode/embedded/bin/knife opc user create rainbowdash rainbowdash rainbowdash [email protected] rainbowdash --filename /root/chef-repo/.chef/rainbowdash.pem -c /root/chef-repo/.chef/pivotal.rb")
    @server.run_command("/opt/opscode/embedded/bin/knife opc org user add ponyville rainbowdash --admin")
  when 'chef-server-core'
    # give time for all services to come up completely
    sleep 10
    run_ctl(@server_ctl, "org-create ponyville ponyville --filename /root/chef-repo/.chef/ponyville-validator.pem")
    run_ctl(@server_ctl, "user-create rainbowdash rainbowdash rainbowdash [email protected] rainbowdash --filename /root/chef-repo/.chef/rainbowdash.pem")
    run_ctl(@server_ctl, "org-user-add ponyville rainbowdash --admin")
  end
end

#deregister_from_dnsmasq(hwaddr) ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 96

def deregister_from_dnsmasq(hwaddr)
  DevLXC.search_file_delete_line("/etc/lxc/addn-hosts.conf", /^#{@ipaddress}\s/)
  DevLXC.search_file_delete_line("/etc/lxc/dhcp-hosts.conf", /,#{@ipaddress}$/)
  unless hwaddr.nil?
    DevLXC.search_file_delete_line("/etc/lxc/dhcp-hosts.conf", /^#{hwaddr}/)
  end
  DevLXC.reload_dnsmasq
end

#destroy ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 90

def destroy
  hwaddr = @server.config_item("lxc.network.0.hwaddr") if @server.defined?
  @server.destroy
  deregister_from_dnsmasq(hwaddr)
end

#destroy_container(type) ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 105

def destroy_container(type)
  case type
  when :unique
    DevLXC::Container.new("u-#{@server.name}").destroy
  when :shared
    DevLXC::Container.new(@shared_container_name).destroy
  when :platform
    DevLXC::Container.new(@platform_container_name).destroy
  end
end

#run_command(command) ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 66

def run_command(command)
  if @server.running?
    puts "Running '#{command}' in #{@server.name}"
    @server.run_command(command)
  else
    puts "#{@server.name} is not running"
  end
end

#run_ctl(component, subcommand) ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 245

def run_ctl(component, subcommand)
  puts "Running `#{component}-ctl #{subcommand}` in #{@server.name}"
  @server.run_command("#{component}-ctl #{subcommand}")
end

#start ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 75

def start
  create
  hwaddr = @server.config_item("lxc.network.0.hwaddr")
  DevLXC.assign_ip_address(@ipaddress, @server.name, hwaddr)
  DevLXC.create_dns_record(@api_fqdn, @server.name, @ipaddress) if %w(open-source standalone frontend).include?(@role)
  @server.sync_mounts(@mounts)
  @server.start
end

#status ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 52

def status
  if @server.defined?
    state = @server.state
    ip_addresses = @server.ip_addresses.join(" ") if @server.state == :running
  else
    state = "not_created"
  end
  printf "%20s     %-15s %s\n", @server.name, state, ip_addresses
end

#stop ⇒ Object 



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# File 'lib/dev-lxc/chef-server.rb', line 84

def stop
  hwaddr = @server.config_item("lxc.network.0.hwaddr") if @server.defined?
  @server.stop
  deregister_from_dnsmasq(hwaddr)
end