Class: Chef::Knife::BlueboxServerDelete

Inherits:
Chef::Knife show all
Defined in:
lib/chef/knife/bluebox_server_delete.rb

Instance Method Summary collapse

Instance Method Details

#chef_name ⇒ Object 



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# File 'lib/chef/knife/bluebox_server_delete.rb', line 77

def chef_name
  short_name = @server_to_remove.split(".").first

  if node_exists?(@server_to_remove)
    @server_to_remove
  elsif node_exists?(short_name)
    short_name
  else
    nil
  end
end

#green(text) ⇒ Object 



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# File 'lib/chef/knife/bluebox_server_delete.rb', line 118

def green(text)
  "#{highline.color(text, :green)}"
end

#highline ⇒ Object 



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# File 'lib/chef/knife/bluebox_server_delete.rb', line 114

def highline
  @highline ||= HighLine.new
end

#node_exists?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/knife/bluebox_server_delete.rb', line 109

def node_exists?(node)
  search = Chef::Search::Query.new
  !search.search('node', "name:#{node}").first.empty?
end

#red(text) ⇒ Object 



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# File 'lib/chef/knife/bluebox_server_delete.rb', line 122

def red(text)
  "#{highline.color(text, :red)}"
end

#remove_client(client) ⇒ Object 



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# File 'lib/chef/knife/bluebox_server_delete.rb', line 99

def remove_client(client)
  begin
    object = Chef::ApiClient.load(client)
    object.destroy
    ui.msg(green("#{client} client removed from chef server"))
  rescue
    ui.warn("Could not remove the #{client} client")
  end
end

#remove_node(node) ⇒ Object 



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# File 'lib/chef/knife/bluebox_server_delete.rb', line 89

def remove_node(node)
  begin
    object = Chef::Node.load(node)
    object.destroy
    ui.msg(green("#{node} node removed from chef server"))
  rescue
    ui.warn(" Could not remove the #{node} node")
  end
end

#run ⇒ Object 



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# File 'lib/chef/knife/bluebox_server_delete.rb', line 37

def run
  bluebox = Fog::Compute::Bluebox.new(
    :bluebox_customer_id => Chef::Config[:knife][:bluebox_customer_id],
    :bluebox_api_key => Chef::Config[:knife][:bluebox_api_key]
  )

  @server_to_remove = @name_args[0]

  # Build hash of hostname => id
  servers = bluebox.servers.inject({}) { |h,f| h[f.hostname] = f.id; h }

  unless servers.has_key?(@server_to_remove)
    ui.error("Can't find a block named #{@server_to_remove}")
    exit 1
  end

  # remove the block instance
  ui.confirm("Do you really want to delete block UUID #{servers[@server_to_remove]} with hostname #{@server_to_remove}")
  begin
    response = bluebox.destroy_block(servers[@server_to_remove])
    if response.status == 200
      ui.msg(green("Successfully destroyed #{@server_to_remove}"))
    else
      ui.msg(red("There was a problem destroying #{@server_to_remove}. Please check Box Panel."))
      exit 1
    end
  rescue Excon::Errors::UnprocessableEntity
    ui.msg(red("There was a problem destroying #{@server_to_remove}. Please check Box Panel."))
  end

  # remove chef client and node
  ui.confirm("Do you wish to remove the #{chef_name} node and client objects from the chef server?")
  if !chef_name.nil?
    remove_node(chef_name)
    remove_client(chef_name)
  else
    ui.msg "Could not locate a chef node associated with #{@server_to_remove}"
  end
end