Question

我有以下代码：

if (!EAP-Message) {
    # Now check against the authorized_macs file
    <%- @filename.each do |key,value| -%>
    <%= key %>
    if (!ok) {
    <%- end -%>
                        eap
                    }
                    else {
                        # accept
                        update control {
                            Auth-Type := Accept
                        }
                    }
                }
                else {
                    # accept
                    update control {
                        Auth-Type := Accept
                    }   
                }
            }
            else {
                # accept
                update control {
                    Auth-Type := Accept
                }
            }
        }
        else {
            # accept
            update control {
                Auth-Type := Accept
            }
        }
    }
    else {
        # accept
        update control {
            Auth-Type := Accept
        }
    }
}
else {
    eap
}

我想通过在每个循环后添加缩进或空格或制表符来正确缩进文件，以便它看起来像这样：

if (!EAP-Message) {
    # Now check against the authorized_macs file
    authorized_macs_10
    if (!ok) {
        authorized_macs_11
        if (!ok) {
            authorized_macs_12
            if (!ok) {
                authorized_macs_13
                if (!ok) {
                    authorized_macs_14
                    if (!ok) {
                        eap
                    }
                    else {
                        # accept
                        update control {
                            Auth-Type := Accept
                        }
                    }
                }
                else {
                    # accept
                    update control {
                        Auth-Type := Accept
                    }
                }
            }
            else {
                # accept
                update control {
                    Auth-Type := Accept
                }
            }
        }
        else {
            # accept
            update control {
                Auth-Type := Accept
            }
        }
    }
    else {
        # accept
        update control {
            Auth-Type := Accept
        }
    }
}
else {
    eap
}

这是我的freeradius puppet模块的/ etc / freeradius / sites-available / default的一部分，最终完成。 @filename变量是一个hiera_hash，我从yaml文件中获取。以下是相关部分：

test_freeradius::files:
'authorized_macs_10':
    macs: 
        - 'aaaaa'
        - 'bbbbb'
    vlan: '10' 
'authorized_macs_11':
    macs: 
        - 'ccccc' 
        - 'ddddd'  
    vlan: '11'
'authorized_macs_12':
    macs: 
        - 'eeeee'
        - 'fffff'
    vlan: '12'
'authorized_macs_13':
    macs:
        - 'ggggg'
        - 'hhhhh'
    vlan: '13'
'authorized_macs_14':
    macs:
        - 'iiiii'
        - 'jjjjj'
    vlan: '14'

以下是我用来创建default文件内容的定义：

define test_freeradius::files (

  $macs,
  $vlan,
  $macfile  = $title,

) {

  include test_freeradius::service

  ensure_resource('file', '/etc/freeradius/modules/files', {
      ensure  => 'file',
      owner   => 'root',
      group   => 'root',
      mode    => '0644',
      content => template("${module_name}/files.erb"),
      require => Class['test_freeradius::install'],
      notify  => Service['freeradius'],
    }
  )

  file { "/etc/freeradius/${macfile}" :
    ensure  => 'file',
    owner   => 'root',
    group   => 'root',
    mode    => '0644',
    content => template("${module_name}/macfiles.erb"),
    require => Class['test_freeradius::install'],
    notify  => Service['freeradius'],
  }

  ensure_resource('file', '/etc/freeradius/sites-available/default', {
      ensure  => 'file',
      owner   => 'root',
      group   => 'freerad',
      mode    => '0644',
      content => template("${module_name}/default.erb"),
      require => Class['test_freeradius::install'],
      notify  => Service['freeradius'],
    }
  )

  ensure_resource('file', '/etc/freeradius/sites-enabled/default', {
      ensure => 'link',
      target => '/etc/freeradius/sites-available/default',
    }
  )
}

循环完成应有的操作，但没有缩进，我尝试了不同的方法，例如在多个位置添加<%= " "%>并为if (!ok) {部分创建变量，遗憾的是没有成功，也许我应该重组码？有任何想法吗？

Answer 1

您应该能够通过Ruby scriptlet代码生成适当的缩进，方法是在迭代时构建缩进字符串。例如，

if (!EAP-Message) {
    # Now check against the authorized_macs file
    <%- indent = '' -%>
    <%- @filename.each do |key,value| -%>
    <%= indent %><%= key %>
    <%= indent %>if (!ok) {
    <%- indent += '    ' -%>
    <%- end -%>
                        eap
    ...

但在我看来，你可能还有其他问题。你能确信@filenames哈希总是包含五个条目吗？如果它包含一些其他数量的条目，那么您的模板将产生格式错误的输出，因为将会有太多或太少的块闭包。

您可以通过使用类似于我已经描述的方法来解决这个问题，在迭代时在字符串中构建块闭包，然后在适当的点输出字符串（而不是使用模板文本来关闭块）。

Answer 2

这是freeradius模块的最终结果。这些是我一直在寻求帮助的相关代码片段。

<强> default.erb

if (!EAP-Message) {
    # Now check against the authorized_macs file
    <%- indent = '' -%>
    <%- @filename.each do |key,value| -%>
    <%= indent %><%= key %>
    <%= indent %>if (!ok) {
    <%- indent += '    ' -%>
    <%- end -%>
    <%= indent %>eap
<%- @filename.each do |key,value| -%>
    <%= indent %>}
    <%= indent %>else {
        <%= indent %># accept
        <%= indent %>update control {
            <%= indent %>Auth-Type := Accept
        <%= indent %>}
    <%= indent %>}
<% indent = indent.slice(0..-5) -%>
<%- end -%> 
}
else {
    eap
}

虚拟服务器配置的post-auth部分有点棘手，因为我必须读取哈希，记下密钥并以相反的顺序分配vlan，所以我将哈希转换为数组，尊敬它并将数组转换回哈希值。

<强>内隧道

post-auth {
    <%- indent = '' -%>
    <%- @filename.each do |key,value| -%>
    <%= indent %><%= key %>
    <%= indent %>if (!ok) {
    <%- indent += '    ' -%>
    <%- end -%>
    <%= indent %>ldap
<%- @new_files = Hash[@filename.to_a.reverse].to_hash -%>
<%- @new_files.each do |key,value| -%>
<%= indent %>}
<%= indent %>else {
    <%= indent %>update reply {
        <%= indent %>Tunnel-Type = VLAN
        <%= indent %>Tunnel-Medium-Type = IEEE-802
        <%= indent %>Tunnel-Private-Group-ID =  <%= value['vlan'] %>
    <%= indent %>}
<%= indent %>}
<%- indent = indent.slice(0..-5) -%>
<%- end -%>

    ldap
<%- @groups.each do |key,value| -%>
<%- if key == 'vlan_10' -%>
    if (LDAP-Group == vlan_10) {
        update reply {
            Tunnel-Type = VLAN
            Tunnel-Medium-Type = IEEE-802
            Tunnel-Private-Group-ID = 10
        }
    }
<%- else -%>
    elsif (LDAP-Group == <%= key %>) {
        update reply {
            Tunnel-Type = VLAN
            Tunnel-Medium-Type = IEEE-802
            Tunnel-Private-Group-ID = <%= value['vlan'] %>
        }
    }
<%- end -%>
<%- end -%>

    Post-Auth-Type REJECT {
        attr_filter.access_reject
    }
}

谢谢大家，尤其是约翰！

缩进ERB文件

2 个答案: