chef resouce

cron "noop" do
    hour "5"
    minute "0"
    command "/bin/true"
end

file "/tmp/something" do
    owner "root"
    group "root"
    mode "755"      # 혹은 mode 00755
    action :create
end

file "/tmp/something" do
    action :delete
end

group "admin" do
  gid 999
  members ['paco', 'vicente']
end

group "www-data" do
  action :modify
  members "maintenance"
  append true
end

ifconfig "10.0.0.2" do
   device "eth1"
   mask "255.255.255.0"
   onboot "yes"
   action [:add, :enable]
end

mount "/export/www" do
  device "nfs.joinc.co.kr:/export/web_sites"
  fstype "nfs"
  options "rw"
  action [:mount, :enable]
end

route "10.0.1.0/24" do
  gateway "10.0.0.20"
  device "eth1"
end

# Recipe snippet applied to master DB node
# Show master status의 값은 다음과 같다.
# +---------------+----------+--------------+------------------+
# | File          | Position | Binlog_Do_DB | Binlog_Ignore_DB |
# +---------------+----------+--------------+------------------+
# | mysql-bin.003 | 73       | test         | manual,mysql     |
# +---------------+----------+--------------+------------------+
ruby_block "master-log" do
  block do
    logs = %x[mysql -u root -e "show master status;" | grep mysql].strip.split
    node[:mysql][:server][:log_file] = logs[0]
    node[:mysql][:server][:log_pos] = logs[1]
  end
  action :create
end
# logs[0]은 bin 파일 이름
# logs[1]은 위치다.

# Make sure that we create replication users for each slave machine known
# by chef-server.

slaves = search(:node, 'mysql_server_role:slave')

ruby_block "create-replication-users" do
  block do
    slaves.each do |slave|
      # slave_ip = <favorite mechanism to get IP address from hostname>
      %x[mysql -u root -e "GRANT REPLICATION SLAVE ON *.* TO 'replication'@'#{slave_ip}' IDENTIFIED BY 'password';]
    end
  end
  action :create
end

# Recipe snippet applied to slave DB nodes
masters = search(:node, 'mysql_server_role:master')

# Let's assume we only have one master for now
ruby_block "import-master-log" do
  block do
    # master_ip = <favorite mechanism to figure out an IP address \
                   from a hostname>
    master_log_file = masters[0][:mysql][:server][:log_file]
    master_log_pos = masters[0][:mysql][:server][:log_pos]
    %x[mysql -u root -e "CHANGE MASTER TO master_host='#{master_ip}', master_port=3306, master_user='replication', master_password='password', master_log_file='#{master_log_file}', master_log_pos=#{master_log_pos};"]
    %x[mysql -u root -e "START SLAVE;"]
  end
  action :create
end