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Allow module to manage "/etc/ssh/ssh_known_hosts" file. #2

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Allow module to manage "/etc/ssh/ssh_known_hosts" file. #2

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16 changes: 8 additions & 8 deletions manifests/resource/known_hosts.pp
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Original file line number Diff line number Diff line change
Expand Up @@ -14,32 +14,32 @@
# *hosts* - Comma separated list of hostnames to compile into known_hosts file.
# *user* - User to create known_hosts file for.
# [*root*] - Parent directory known_hosts file. Default /home/USER/.ssh
define ssh::resource::known_hosts($ensure=present, $hosts, $user, $root="/home/$user/.ssh") {
define ssh::resource::known_hosts($ensure=present, $hosts, $user, $root="/home/$user/.ssh", $known_hosts="$root/known_hosts", $known_hosts_mode='0600') {
$hosthash = "$root/host_hash"
$sed = "sed 's/,/\\n/g'"
$sha = "sha512sum"
$sha = 'sha512sum'
$awk = "awk '{ print \$1 }'"
$hashcmd = "sha512sum | $awk"
$known_hosts = "$root/known_hosts"

# Create the hosts' hash. When this file is re-created it will trigger the
# exec of ssh-keyscan, which constructs the known_hosts file.
exec { "create hash of hosts for $user in $root":
path => '/bin:/usr/bin:/bin:/usr/sbin:/sbin',
command => "echo '$hosts' | $sha | $awk > $hosthash",
unless => "[ -f $hosthash ] && [ `$sha $hosthash | $awk` = `echo '$hosts' | $sha | $awk | $sha | $awk` ]",
unless => "[ -f $hosthash ] && [ `cat $hosthash` = `echo '$hosts' | $sha | $awk` ]",
}
file { $hosthash:
mode => 0600,
}

# Construct the right and proper known_hosts file.
exec { "create $root/known_hosts":
command => "echo '$hosts' | $sed | ssh-keyscan -H -f - > $root/known_hosts",
exec { "create ${known_hosts}":
path => '/bin:/usr/bin:/bin:/usr/sbin:/sbin',
command => "echo '$hosts' | $sed | ssh-keyscan -H -f - > ${known_hosts}",
refreshonly => true,
subscribe => Exec["create hash of hosts for $user in $root"],
}
file { "${known_hosts}":
mode => 0600,
mode => $known_hosts_mode,
}

## Ensure that all files and execs get the correct user/group combinations.
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