Hash 木偶:使用facter过滤器获取挂载点
我正在尝试使用Puppet facter获取根分区Hash 木偶:使用facter过滤器获取挂载点,hash,puppet,facter,Hash,Puppet,Facter,我正在尝试使用Puppet facter获取根分区(mountpoint=>“/”名称。当我运行“facter mountpoints”时,它会显示多个分区。我想从结果中获取变量“/dev/md3” { / => { available => "893.71 GiB", available_bytes => 959608590336, capacity => "1.86%", device => "/dev/md3", f
(mountpoint=>“/”
名称。当我运行“facter mountpoints”
时,它会显示多个分区。我想从结果中获取变量“/dev/md3”
{
/ => {
available => "893.71 GiB",
available_bytes => 959608590336,
capacity => "1.86%",
device => "/dev/md3",
filesystem => "ext4",
options => [
"rw",
"errors=remount-ro"
],
size => "910.69 GiB",
size_bytes => 977843884032,
used => "16.98 GiB",
used_bytes => 18235293696
},
/run => {
available => "794.91 MiB",
available_bytes => 833527808,
capacity => "0.07%",
device => "tmpfs",
filesystem => "tmpfs",
options => [
"rw",
"noexec",
"nosuid",
"size=10%",
"mode=0755"
],
size => "795.48 MiB",
size_bytes => 834125824,
used => "584.00 KiB",
used_bytes => 598016
},
/tmp => {
available => "1.78 GiB",
available_bytes => 1909157888,
capacity => "1.21%",
device => "/dev/md1",
filesystem => "ext4",
options => [
"rw"
],
size => "1.80 GiB",
size_bytes => 1932533760,
used => "22.29 MiB",
used_bytes => 23375872
}
}
我尝试使用筛选器,但无法筛选设备。
$root_mount=$facts['mountpoints'].filter |$mountpoint |{$mountpoint=='/'}
你们有什么想法吗?你们可以通过哈希符号直接访问这个事实。由于您的问题严重暗示您正在使用facter3/puppet4,因此我将使用该语法
您只需直接遍历Facter散列中的键即可得到/dev/md3
值。如果我们将散列从因子装入点
最小化到相关部分:
{
/ => {
device => "/dev/md3"
}
}
然后我们看到键是挂载点
(当您从CLI访问facter挂载点
时直接访问该键)、/
和设备
。因此,在Puppet中使用标准哈希符号和$facts
哈希,我们可以通过以下方式访问该值:
$facts['mountpoints']['/']['device'] # /dev/md3
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