Class: GrokCLI::Docker::UpdateEtcHosts

Inherits:
Object
  • Object
show all
Defined in:
lib/grok_cli/docker/update_etc_hosts.rb

Instance Method Summary collapse

Constructor Details

#initialize(config = Configuration.new) ⇒ UpdateEtcHosts

Returns a new instance of UpdateEtcHosts.



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# File 'lib/grok_cli/docker/update_etc_hosts.rb', line 3

def initialize(config = Configuration.new)
  @config = config
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/grok_cli/docker/update_etc_hosts.rb', line 7

def execute
  system <<~CMD

    IP=`docker-machine ip #{@config.machine_name}`

    IP_MAP="$IP #{@config.hostname}"

    if grep -Fxq "$IP_MAP" /etc/hosts; then
      :
    else

      if sudo -n true 2>/dev/null; then
        :
      else
        echo "You may be prompted for your password; this is to permit updating your /etc/hosts for #{@config.hostname}"
      fi

      sudo sed -i '' '/#{@config.hostname.gsub('.', '\.')}$/d' /etc/hosts

      echo $IP_MAP | sudo tee -a /etc/hosts
    fi

  CMD
end