resource_name :dirsrv_instance
provides :dirsrv_instance

property :instance_name,  String,  name_property: true
property :hostname,       String,  required: true
property :admin_password, String,  required: true
property :suffix,         String,  required: true
property :admin_username, String,  default: 'admin'
property :bind_dn,        String,  default: 'cn=Directory Manager'
property :port,           Integer, default: 389

action :create do
  include_recipe "apt"
  package "389-ds-base"
  package "python3-lib389"

  include_recipe "ulimit"
  user_ulimit "dirsrv" do
    filehandle_limit 40960
  end

  config = {
    instance_name:  new_resource.instance_name,
    hostname:       new_resource.hostname,
    suffix:         new_resource.suffix,
    port:           new_resource.port,
    bind_dn:        new_resource.bind_dn,
    admin_username: new_resource.admin_username,
    admin_password: new_resource.admin_password,
    base_dir:       "/var/lib/dirsrv",
    conf_dir:       "/etc/dirsrv"
  }

  inst_dir = "/etc/dirsrv/slapd-#{new_resource.instance_name}"
  service_name = "dirsrv@#{new_resource.instance_name}"

  cookbook_file "/etc/dirsrv/config/template-initconfig" do
    source "template-initconfig"
    mode "0644"
    owner "dirsrv"
    group "dirsrv"
  end

  cookbook_file "/usr/sbin/ldif2db" do
    source "ldif2db"
    mode "0755"
    owner "root"
    group "root"
  end

  unless ::Dir.exists?(inst_dir)
    setup_config = "#{config[:conf_dir]}/setup-#{new_resource.instance_name}.inf"
    template setup_config do
      source "setup.inf.erb"
      mode "0600"
      owner "root"
      group "root"
      sensitive true
      variables config
    end

    execute "setup-#{new_resource.instance_name}" do
      command "/usr/share/dirsrv/setup-ds.pl --silent --file #{setup_config}"
      creates ::File.join inst_dir, 'dse.ldif'
      action :nothing
      subscribes :run, "template[#{setup_config}]", :immediately
      notifies :restart, "service[#{service_name}]", :immediately
      notifies :delete, "template[#{setup_config}]", :immediately
      notifies :run, "execute[set base acis]", :delayed
      notifies :run, "execute[add users group]", :delayed
      notifies :run, "execute[disable anonymous access]", :delayed
    end
  end

  service service_name do
    action [:start]
  end

  # :enable on the dirsrv@master service creates the wrong file
  # (/etc/systemd/system/dirsrv.target.wants/dirsrv@master.service), seems to
  # be a Chef bug. Let's do it manually
  link "/etc/systemd/system/multi-user.target.wants/dirsrv@master.service" do
    to "/lib/systemd/system/dirsrv@.service"
  end

  cookbook_file "#{Chef::Config[:file_cache_path]}/acis.ldif" do
    source "acis.ldif"
    owner "root"
    group "root"
  end

  execute "set base acis" do
    command "ldapmodify -x -w #{new_resource.admin_password} -D '#{new_resource.bind_dn}' -f '#{Chef::Config[:file_cache_path]}/acis.ldif' -p #{new_resource.port} -h localhost"
    sensitive true
    action :nothing
  end

  cookbook_file "#{Chef::Config[:file_cache_path]}/users.ldif" do
    source "users.ldif"
    owner "root"
    group "root"
  end

  execute "add users group" do
    command "ldapadd -x -w #{new_resource.admin_password} -D '#{new_resource.bind_dn}' -f '#{Chef::Config[:file_cache_path]}/users.ldif' -p #{new_resource.port} -h localhost"
    sensitive true
    action :nothing
  end

  file "#{Chef::Config[:file_cache_path]}/disable_anonymous_access.ldif" do
    content <<-EOF
dn: cn=config
changetype: modify
replace: nsslapd-allow-anonymous-access
nsslapd-allow-anonymous-access: off
    EOF
    owner "root"
    group "root"
  end

  execute "disable anonymous access" do
    command "ldapmodify -x -w #{new_resource.admin_password} -D '#{new_resource.bind_dn}' -f '#{Chef::Config[:file_cache_path]}/disable_anonymous_access.ldif' -p #{new_resource.port} -h localhost"
    sensitive true
    action :nothing
  end

end