Puppet Class: ssh::server

Defined in:
modules/ssh/manifests/server.pp

Overview

Parameters:

  • listen_port (Stdlib::Port) (defaults to: 22) —

    the port to listen on

  • listen_addresses (Array[Stdlib::IP::Address]) (defaults to: []) —

    an array of addresses to listen on

  • permit_root (Ssh::Config::PermitRootLogin) (defaults to: true) —

    if true allow root logins

  • authorized_keys_file (Array[Stdlib::Unixpath]) (defaults to: ['/etc/ssh/userkeys/%u', '/etc/ssh/userkeys/%u.d/cumin']) —

    space seperated list of authorized keys files

  • authorized_keys_command (Stdlib::Unixpath) (defaults to: '/usr/sbin/ssh-key-ldap-lookup') —

    command to run for authorized keys

  • disable_nist_kex (Boolean) (defaults to: true) —

    Allow uses to temporarily opt out of nist kex disabling

  • explicit_macs (Boolean) (defaults to: true) —

    Allow users to opt out of more secure MACs

  • enable_hba (Boolean) (defaults to: false) —

    enable host based authentication

  • enable_kerberos (Boolean) (defaults to: false) —

    enable kerberos

  • disable_agent_forwarding (Boolean) (defaults to: true) —

    disable agent forwarding

  • challenge_response_auth (Boolean) (defaults to: true) —

    Disable all password auth

  • max_sessions (Optional[Integer]) (defaults to: undef) —

    allow users to override the maximum number ops sessions

  • max_startups (Optional[String[1]]) (defaults to: undef) —

    allow users to override the maximum number ops startups

  • gateway_ports (Boolean) (defaults to: false) —

    if true set sshd_config GatewayPorts to yes

  • accept_env (Array[String[1]]) (defaults to: ['LANG', 'LC_*']) —

    array of elements for AcceptEnv config



17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
 
# File 'modules/ssh/manifests/server.pp', line 17

class ssh::server (
    Stdlib::Port                 $listen_port              = 22,
    Array[Stdlib::IP::Address]   $listen_addresses         = [],
    Ssh::Config::PermitRootLogin $permit_root              = true,
    Array[Stdlib::Unixpath]      $authorized_keys_file     = ['/etc/ssh/userkeys/%u', '/etc/ssh/userkeys/%u.d/cumin'],
    Stdlib::Unixpath             $authorized_keys_command  = '/usr/sbin/ssh-key-ldap-lookup',
    Boolean                      $disable_nist_kex         = true,
    Boolean                      $explicit_macs            = true,
    Boolean                      $enable_hba               = false,
    Boolean                      $enable_kerberos          = false,
    Boolean                      $disable_agent_forwarding = true,
    Boolean                      $challenge_response_auth  = true,
    Optional[Integer]            $max_sessions             = undef,
    Optional[String[1]]          $max_startups             = undef,
    Boolean                      $gateway_ports            = false,
    Array[String[1]]             $accept_env               = ['LANG', 'LC_*'],
) {
    $_permit_root = $permit_root ? {
        String  => $permit_root,
        false   => 'no',
        default => 'yes',
    }
    package { 'openssh-server':
        ensure => present,
    }

    service { 'ssh':
        ensure    => running,
        subscribe => File['/etc/ssh/sshd_config'],
    }

    profile::auto_restarts::service { 'ssh': }

    file { '/etc/ssh/userkeys':
        ensure  => directory,
        owner   => 'root',
        group   => 'root',
        mode    => '0444',
        recurse => true,
        purge   => true,
    }

    file { '/etc/ssh/sshd_config':
        ensure  => file,
        owner   => 'root',
        group   => 'root',
        mode    => '0444',
        content => template('ssh/sshd_config.erb'),
        require => Package['openssh-server'],
    }

    # we use the legacy facts here specificaly because we override them in
    # modules/base/lib/facter/interface_primary.rb
    # Although the networking.ip fact now points to a sensible fact
    # networking.ip6 still points to IMO the wrong address.
    # related: https://tickets.puppetlabs.com/browse/FACT-2907
    # related: https://tickets.puppetlabs.com/browse/FACT-2843
    $aliases = [
        $facts['networking']['hostname'],
        $facts['ipaddress'],
        $facts['ipaddress6'],
    ].filter |$x| { $x =~ NotUndef }

    @@sshkey { $facts['networking']['fqdn']:
        ensure       => present,
        type         => 'ecdsa-sha2-nistp256',
        key          => $facts['ssh']['ecdsa']['key'],
        host_aliases => $aliases,
    }
}