Class: ProvisionCmd

Inherits:
MofaCmd show all
Defined in:
lib/mofa/provision_cmd.rb

Instance Attribute Summary collapse

Attributes inherited from MofaCmd

#cookbook, #options, #token

Instance Method Summary collapse

Methods inherited from MofaCmd

generate_token, #ssh_exec!

Constructor Details

#initialize(token, cookbook) ⇒ ProvisionCmd

Returns a new instance of ProvisionCmd.



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# File 'lib/mofa/provision_cmd.rb', line 9

def initialize(token, cookbook)
  super(token, cookbook)
end

Instance Attribute Details

#attributes_map ⇒ Object

Returns the value of attribute attributes_map.



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# File 'lib/mofa/provision_cmd.rb', line 7

def attributes_map
  @attributes_map
end

#hostlist ⇒ Object

Returns the value of attribute hostlist.



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# File 'lib/mofa/provision_cmd.rb', line 5

def hostlist
  @hostlist
end

#runlist_map ⇒ Object

Returns the value of attribute runlist_map.



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# File 'lib/mofa/provision_cmd.rb', line 6

def runlist_map
  @runlist_map
end

Instance Method Details

#cleanup ⇒ Object 



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# File 'lib/mofa/provision_cmd.rb', line 37

def cleanup
  cookbook.cleanup
end

#create_data_bags(sftp, hostname, solo_dir) ⇒ Object 



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# File 'lib/mofa/provision_cmd.rb', line 116

def create_data_bags(sftp, hostname, solo_dir)
  puts "Remotely creating data_bags items..."
  if cookbook.instance_of?(SourceCookbook) and File.directory?("#{cookbook.source_dir}/data_bags")
    Dir.entries("#{cookbook.source_dir}/data_bags/").each do |data_bag|
      next if data_bag =~ /^\.\.?$/
      puts "Found data_bag #{data_bag}... "
      Dir.entries("#{cookbook.source_dir}/data_bags/#{data_bag}").select { |f| f.match(/\.json$/) }.each do |data_bag_item|
        puts "Uploading data_bag_item #{data_bag_item}... "
        sftp.upload!("#{cookbook.source_dir}/data_bags/#{data_bag}/#{data_bag_item}", "#{solo_dir}/data_bags/#{data_bag}/#{data_bag_item}")
        puts "OK."
      end
    end
  end
end

#create_node_json(sftp, hostname, solo_dir, attributes_map) ⇒ Object 



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# File 'lib/mofa/provision_cmd.rb', line 103

def create_node_json(sftp, hostname, solo_dir, attributes_map)
  puts "Remotely creating \"#{solo_dir}/node.json\""
  node_json = {}
  node_json.store('run_list', runlist_map.mp[hostname])
  attributes_map.mp[hostname].each do |key, value|
    node_json.store(key, value)
  end

  sftp.file.open("#{solo_dir}/node.json", "w") do |file|
    file.write(JSON.pretty_generate(node_json))
  end
end

#create_solo_rb(sftp, hostname, solo_dir) ⇒ Object 



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# File 'lib/mofa/provision_cmd.rb', line 80

def create_solo_rb(sftp, hostname, solo_dir)
  puts "Remotely creating \"#{solo_dir}/solo.rb\""
  sftp.file.open("#{solo_dir}/solo.rb", "w") do |file|
    if cookbook.instance_of?(SourceCookbook)
      solo_rb = <<-"EOF"
  cookbook_path [ "#{solo_dir}/cookbooks" ]
      EOF
    else
      solo_rb = <<-"EOF"
  recipe_url "#{solo_dir}/#{cookbook.pkg_name}"
      EOF
    end
    solo_rb += <<-"EOF"
  data_bag_path "#{solo_dir}/data_bags"
  log_level :info
  log_location "#{solo_dir}/log"
  verify_api_cert true
    EOF

    file.write(solo_rb)
  end
end

#execute ⇒ Object 



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# File 'lib/mofa/provision_cmd.rb', line 17

def execute
  cookbook.execute

  hostlist.retrieve
  runlist_map.generate
  attributes_map.generate

  puts "Runlist Map: #{runlist_map.mp.inspect}"
  puts "Attributes Map: #{attributes_map.mp.inspect}"
  puts "Hostlist before runlist filtering: #{hostlist.list.inspect}"

  hostlist.filter_by_runlist_map(runlist_map)

  puts "Hostlist after runlist filtering: #{hostlist.list.inspect}"

  exit_code = run_chef_solo_on_hosts

  exit_code
end

#host_avail?(hostname) ⇒ Boolean

FIXME This Code is Copy’n’Pasted from the old mofa tooling. Only to make the MVP work in time!! This needs to be refactored ASAP.

Returns:

  • (Boolean) 


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# File 'lib/mofa/provision_cmd.rb', line 45

def host_avail?(hostname)
  host_available = false
  puts "Pinging host #{hostname}..."
  exit_status = system("ping -q -c 1 #{hostname} >/dev/null 2>&1")
  if exit_status
    puts "  --> Host #{hostname} is available."
    host_available = true
  else
    puts "  --> Host #{hostname} is unavailable!"
  end
  host_available
end

#prepare ⇒ Object 



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# File 'lib/mofa/provision_cmd.rb', line 13

def prepare
  cookbook.prepare
end

#prepare_host(hostname, host_index, solo_dir) ⇒ Object 



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# File 'lib/mofa/provision_cmd.rb', line 58

def prepare_host(hostname, host_index, solo_dir)
  puts
  puts "----------------------------------------------------------------------"
  puts "Chef-Solo on Host #{hostname} (#{host_index}/#{hostlist.list.length.to_s})"
  puts "----------------------------------------------------------------------"
  Net::SSH.start(hostname, Mofa::Config.config['ssh_user'], :keys => [Mofa::Config.config['ssh_keyfile']], :port => Mofa::Config.config['ssh_port'], :verbose => :error) do |ssh|
    puts "Remotely creating solo_dir \"#{solo_dir}\" on host #{hostname}"
    # remotely create the temp folder
    out = ssh_exec!(ssh, "[ -d #{solo_dir} ] || mkdir #{solo_dir}")
    puts "ERROR (#{out[0]}): #{out[2]}" if out[0] != 0

    # remotely create a data_bags folder structure on the target host
    if cookbook.instance_of?(SourceCookbook) and File.directory?("#{cookbook.source_dir}/data_bags")
      Dir.entries("#{cookbook.source_dir}/data_bags").select { |f| !f.match(/^\.\.?$/) }.each do |data_bag|
        puts "Remotely creating data_bags dir \"#{solo_dir}/data_bags/#{data_bag}\""
        out = ssh_exec!(ssh, "[ -d #{solo_dir}/data_bags/#{data_bag} ] || mkdir -p #{solo_dir}/data_bags/#{data_bag}")
        puts "ERROR (#{out[0]}): #{out[2]}" if out[0] != 0
      end
    end
  end
end

#run_chef_solo_on_hosts ⇒ Object 



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# File 'lib/mofa/provision_cmd.rb', line 131

def run_chef_solo_on_hosts
  time = Time.new
  # Create a temp working dir on the target host
  solo_dir = '/var/tmp/' + time.strftime('%Y-%m-%d_%H%M%S')
  puts
  puts 'Chef-Solo Run started at ' + time.strftime('%Y-%m-%d %H:%M:%S')
  puts "Will use ssh_user #{Mofa::Config.config['ssh_user']}, ssh_port #{Mofa::Config.config['ssh_port']} and ssh_key_file #{Mofa::Config.config['ssh_keyfile']}"
  at_least_one_chef_solo_run_failed = false
  chef_solo_runs = {}
  host_index = 0
  hostlist.list.each do |hostname|
    host_index = host_index + 1
    chef_solo_runs.store(hostname, {})

    if host_avail?(hostname) == false || options[:ignore_ping] == true
      chef_solo_runs[hostname].store('status', 'UNAVAIL')
      chef_solo_runs[hostname].store('status_msg', "Host #{hostname} unreachable.")
      at_least_one_chef_solo_run_failed = true
      next
    end

    prepare_host(hostname, host_index, solo_dir)

    Net::SFTP.start(hostname, Mofa::Config.config['ssh_user'], :keys => [Mofa::Config.config['ssh_keyfile']], :port =>  Mofa::Config.config['ssh_port'], :verbose => :error) do |sftp|

      # remotely creating solo.rb
      create_solo_rb(sftp, hostname, solo_dir)

      # remotely creating node.json
      create_node_json(sftp, hostname, solo_dir, attributes_map)

      # remotely create data_bag items
      create_data_bags(sftp, hostname, solo_dir)

      puts "Uploading Package #{cookbook.pkg_name}... "
      sftp.upload!("#{cookbook.pkg_dir}/#{cookbook.pkg_name}", "#{solo_dir}/#{cookbook.pkg_name}")
      puts "OK."

      # Do it -> Execute the chef-solo run!
      Net::SSH.start(hostname, Mofa::Config::config['ssh_user'], :keys => [Mofa::Config::config['ssh_keyfile']], :port =>  Mofa::Config.config['ssh_port'], :verbose => :error) do |ssh|

        if cookbook.instance_of?(SourceCookbook)
          puts "Remotely unpacking Snapshot Package #{cookbook.pkg_name}... "
          out = ssh_exec!(ssh, "cd #{solo_dir}; tar xvfz #{cookbook.pkg_name}")
          if out[0] != 0
            puts "ERROR (#{out[0]}): #{out[2]}"
            puts out[1]
          else
            puts "OK."
          end
        end

        puts "Remotely running chef-solo -c #{solo_dir}/solo.rb -j #{solo_dir}/node.json"
        out = ssh_exec!(ssh, "sudo chef-solo -c #{solo_dir}/solo.rb -j #{solo_dir}/node.json")
        if out[0] != 0
          puts "ERROR (#{out[0]}): #{out[2]}"
          out = ssh_exec!(ssh, "sudo cat #{solo_dir}/log")
          puts "ERROR (#{out[0]}): #{out[2]}" if out[0] != 0
          puts out[1]
          chef_solo_runs[hostname].store('status', 'FAIL')
          chef_solo_runs[hostname].store('status_msg', out[1])
        else
          unless Mofa::CLI::option_debug
            out = ssh_exec!(ssh, "sudo grep 'Chef Run' #{solo_dir}/log")
            puts "ERROR (#{out[0]}): #{out[2]}" if out[0] != 0
            puts "Done."
          else
            out = ssh_exec!(ssh, "sudo cat #{solo_dir}/log")
            puts "ERROR (#{out[0]}): #{out[2]}" if out[0] != 0
            puts out[1]
          end
          chef_solo_runs[hostname].store('status', 'SUCCESS')
          chef_solo_runs[hostname].store('status_msg', '')
        end
        out = ssh_exec!(ssh, "sudo chown -R #{Mofa::Config.config['ssh_user']}.#{Mofa::Config.config['ssh_user']} #{solo_dir}")
        puts "ERROR (#{out[0]}): #{out[2]}" if out[0] != 0
        out = ssh_exec!(ssh, "sudo mkdir -p /var/lib/mofa && sudo ln -s #{solo_dir} /var/lib/mofa/last_run")
        puts "ERROR (#{out[0]}): #{out[2]}" if out[0] != 0
        out = ssh_exec!(ssh, "echo #{cookbook.pkg_name} | sudo tee /var/lib/mofa/last_cookbook")
        puts "ERROR (#{out[0]}): #{out[2]}" if out[0] != 0
        out = ssh_exec!(ssh, "echo #{chef_solo_runs[hostname]['status']}| sudo tee /var/lib/mofa/last_status")
        puts "ERROR (#{out[0]}): #{out[2]}" if out[0] != 0
        out = ssh_exec!(ssh, "echo '#!/bin/bash' | sudo tee /usr/bin/mofalog && echo 'cat /var/lib/mofa/last_run/log' | sudo tee -a /usr/bin/mofalog && sudo chmod 755 /usr/bin/mofalog")
        puts "ERROR (#{out[0]}): #{out[2]}" if out[0] != 0
      end
    end
    at_least_one_chef_solo_run_failed = true unless chef_solo_runs[hostname]['status'] == 'SUCCESS'
  end

  # ------- print out report
  puts
  puts "----------------------------------------------------------------------"
  puts "Chef-Solo Run REPORT"
  puts "----------------------------------------------------------------------"
  puts "Chef-Solo has been run on #{chef_solo_runs.keys.length.to_s} hosts."

  chef_solo_runs.each do |hostname, content|
    status_msg = ''
    status_msg = "(#{content['status_msg']})" if content['status'] == 'FAIL'
    puts "#{content['status']}: #{hostname} #{status_msg}"
  end

  exit_code = 0
  if at_least_one_chef_solo_run_failed
    exit_code = 1
  end

  puts "Exiting with exit code #{exit_code}."

  if exit_code != 0
    raise Thor::Error, "Chef client exited with non zero exit code: #{exit_code}"
  end
  exit_code

end