Class: VMC::KNIFE::VCAPUpdateCloudControllerConfig

Inherits:
Object
  • Object
show all
Defined in:
lib/vmc_knife/vmc_knife.rb

Overview

This is really a server-side vcap admin feature.

Instance Method Summary collapse

Constructor Details

#initialize(uri, cloud_controller_config = nil) ⇒ VCAPUpdateCloudControllerConfig

Returns a new instance of VCAPUpdateCloudControllerConfig.



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# File 'lib/vmc_knife/vmc_knife.rb', line 1205

def initialize(uri, cloud_controller_config=nil)
  @config = cloud_controller_config
  @config ||="#{ENV['HOME']}/cloudfoundry/config/cloud_controller.yml"
  @uri = uri
  raise "The config file #{@config} does not exist." unless File.exists? @config
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/vmc_knife/vmc_knife.rb', line 1240

def execute()
  @changed = false
  @changed_gateways = Array.new
  # look for the line that starts with external_uri:
  # replace it with the new uri if indeed there was a change.
  lines = IO.readlines @config
  File.open(@config, "w") do |file|
    lines.each do |s|
      if /^[\s]*external_uri:/ =~ s
        @changed = true unless /#{@uri}[\s]*$/ =~ s
        file.puts "external_uri: #{@uri}\n"
      else
        file.puts s
      end
    end
  end
  if @changed
    #update the gateways too.
    @changed_gateways = Array.new
    yaml_files = Dir.glob File.join(File.dirname(@config), "*_gateway.yml")
    yaml_files.each do |path|
      if update_gateway(path)
        gateway = File.basename(path, '.yml')
        @changed_gateways << gateway
      end
    end
    cc_yml = File.open( @config ) { |yf| YAML::load( yf ) }
    pid = cc_yml['pid']
    if pid!=nil && File.exists?(pid)
      display "Restarting the reconfigured cloud_controller"
      #assuming that the vcap symlink is in place. maker sure the aliases
      # will be resolved.
      #`shopt -s expand_aliases; vcap restart cloud_controller`
      #TODO: something that looks nicer?
      system ". ~/.bashrc;\n vcap restart cloud_controller"
      @changed_gateways.each do |gateway|
        system ". ~/.bashrc;\n vcap restart #{gateway}"
      end
    end
  end
end

#update_gateway(config) ⇒ Object

look for

cloud_controller_uri: http://api.intalio.me

and replace it with the new one.



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# File 'lib/vmc_knife/vmc_knife.rb', line 1225

def update_gateway(config)
  changed = false
  lines = IO.readlines config
  File.open(config, "w") do |file|
    lines.each do |s|
      if /^[\s]*cloud_controller_uri:/ =~ s
        changed = true unless /#{@uri}[\s]*$/ =~ s
        file.puts "cloud_controller_uri: http://#{@uri}\n"
      else
        file.puts s
      end
    end
  end
  changed
end

#update_pending ⇒ Object 



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# File 'lib/vmc_knife/vmc_knife.rb', line 1211

def update_pending()
  res = false
  File.open(@config, "r") do |file|
    file.each_line do |s|
      if /^[\s]*external_uri:/ =~ s
        res = true unless /#{@uri}[\s]*$/ =~ s
      end
    end
  end
  return res
end

#was_changed ⇒ Object 



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# File 'lib/vmc_knife/vmc_knife.rb', line 1281

def was_changed()
  @changed
end