Manage SSH client and server via Puppet. Source: https://github.com/saz/puppet-ssh
- Exported resources for host keys management
- puppetlabs/stdlib
- puppetlabs/concat
Since version 2.0.0 only non-default values are written to both, client and server, configuration files.
Multiple occurrences of one config key (e.g. sshd should be listening on port 22 and 2222) should be passed as an array.
options => {
'Port' => [22, 2222],
}This is working for both, client and server.
Host keys will be collected and distributed unless
storeconfigs_enabled is false.
include sshor
class { 'ssh':
storeconfigs_enabled => false,
server_options => {
'Match User www-data' => {
'ChrootDirectory' => '%h',
'ForceCommand' => 'internal-sftp',
'PasswordAuthentication' => 'yes',
'AllowTcpForwarding' => 'no',
'X11Forwarding' => 'no',
},
'Port' => [22, 2222, 2288],
},
client_options => {
'Host *.amazonaws.com' => {
'User' => 'ec2-user',
},
},
users_client_options => {
'bob' => {
options => {
'Host *.alice.fr' => {
'User' => 'alice',
},
},
},
},
}ssh::storeconfigs_enabled: true
ssh::server_options:
Protocol: '2'
ListenAddress:
- '127.0.0.0'
- '%{::hostname}'
PasswordAuthentication: 'yes'
SyslogFacility: 'AUTHPRIV'
UsePAM: 'yes'
X11Forwarding: 'yes'
ssh::server::match_block:
filetransfer:
type: group
options:
ChrootDirectory: /home/sftp
ForceCommand: internal-sftp
ssh::client_options:
'Host *':
SendEnv: 'LANG LC_*'
ForwardX11Trusted: 'yes'
ServerAliveInterval: '10'
ssh::users_client_options:
'bob':
'options':
'Host *.alice.fr':
'User': 'alice'
'PasswordAuthentication': 'no'Collected host keys from servers will be written to known_hosts unless
storeconfigs_enabled is false
include ssh::clientor
class { 'ssh::client':
storeconfigs_enabled => false,
options => {
'Host short' => {
'User' => 'my-user',
'HostName' => 'extreme.long.and.complicated.hostname.domain.tld',
},
'Host *' => {
'User' => 'andromeda',
'UserKnownHostsFile' => '/dev/null',
},
},
}User's home is expected to be /home/bob
SSH configuration file will be /home/bob/.ssh/config.
::ssh::client::config::user { 'bob':
ensure => present,
options => {
'HashKnownHosts' => 'yes'
}
}User's home is passed to define type
SSH configuration file will be /var/lib/bob/.ssh/config and puppet will
manage directory /var/lib/bob/.ssh.
::ssh::client::config::user { 'bob':
ensure => present,
user_home_dir => '/var/lib/bob',
options => {
'HashKnownHosts' => 'yes'
}
}User's ssh directory should not be managed by the define type
SSH configuration file will be /var/lib/bob/.ssh/config.
::ssh::client::config::user { 'bob':
ensure => present,
user_home_dir => '/var/lib/bob',
manage_user_ssh_dir => false,
options => {
'HashKnownHosts' => 'yes'
}
}User's ssh config is specified with an absolute path
::ssh::client::config::user { 'bob':
ensure => present,
target => '/var/lib/bob/.ssh/ssh_config',
options => {
'HashKnownHosts' => 'yes'
}
}Host keys will be collected for client distribution unless
storeconfigs_enabled is false
include ssh::serveror
class { 'ssh::server':
storeconfigs_enabled => false,
options => {
'Match User www-data' => {
'ChrootDirectory' => '%h',
'ForceCommand' => 'internal-sftp',
'PasswordAuthentication' => 'yes',
'AllowTcpForwarding' => 'no',
'X11Forwarding' => 'no',
},
'PasswordAuthentication' => 'no',
'PermitRootLogin' => 'no',
'Port' => [22, 2222],
},
}validate_sshd_file allows you to run /usr/sbin/sshd -tf against the sshd config file before it gets replaced, and will raise an error if the config is incorrect.
class { 'ssh::server':
validate_sshd_file => true,
}'Host *' => {
'SendEnv' => 'LANG LC_*',
'HashKnownHosts' => 'yes',
'GSSAPIAuthentication' => 'yes',
}'ChallengeResponseAuthentication' => 'no',
'X11Forwarding' => 'yes',
'PrintMotd' => 'no',
'AcceptEnv' => 'LANG LC_*',
'Subsystem' => 'sftp /usr/lib/openssh/sftp-server',
'UsePAM' => 'yes',Default options will be merged with options passed in. If an option is set both as default and via options parameter, the latter will win.
The following example will disable X11Forwarding, which is enabled by default:
class { 'ssh::server':
options => {
'X11Forwarding' => 'no',
},
}Which will lead to the following sshd_config file:
# File is managed by Puppet
ChallengeResponseAuthentication no
X11Forwarding no
PrintMotd no
AcceptEnv LANG LC\_\*
Subsystem sftp /usr/lib/openssh/sftp-server
UsePAM yes
PasswordAuthentication no
Values can also be arrays, which will result in the option being specified multiple times
class { 'ssh::server':
options => {
'HostKey' => ['/etc/ssh/ssh_host_ed25519_key', '/etc/ssh/ssh_host_rsa_key'],
},
}Which will lead to the following sshd_config file:
# File is managed by Puppet
ChallengeResponseAuthentication no
HostKey /etc/ssh/ssh_host_ed25519_key
HostKey /etc/ssh/ssh_host_rsa_key
PrintMotd no
AcceptEnv LANG LC_\*
Subsystem sftp /usr/lib/openssh/sftp-server
UsePAM yes
PasswordAuthentication no
You can define host keys your server will use
ssh::server::host_key {'ssh_host_rsa_key':
private_key_content => '<the private key>',
public_key_content => '<the public key>',
}Alternately, you could create the host key providing the files, instead of the content:
ssh::server::host_key {'ssh_host_rsa_key':
private_key_source => 'puppet:///mymodule/ssh_host_rsa_key',
public_key_source => 'puppet:///mymodule/ssh_host_rsa_key.pub',
}Both of these definitions will create /etc/ssh/ssh_host_rsa_key and
/etc/ssh/ssh_host_rsa_key.pub and restart sshd daemon.
class YOURCUSTOMCLASS {
include ssh
ssh::server::match_block { 'sftp_only':
type => 'User',
options => {
'ChrootDirectory' => "/sftp/%u",
'ForceCommand' => 'internal-sftp',
'PasswordAuthentication' => 'no',
'AllowTcpForwarding' => 'no',
'X11Forwarding' => 'no',
}
}
}Assign tags to exported sshkey resources (when ssh::storeconfigs_enabled is set to true).
ssh::hostkeys::tags:
- hostkey_group1
- hostkey_group2Host keys then can be imported using:
Sshkey <<| tag == "hostkey_group1" |>>Use hiera to exclude interfaces or ipaddresses from hostkey inclusion
ssh::hostkeys::exclude_interfaces:
- eth0
- eth3
ssh::hostkeys::exclude_ipaddresses:
- 192.168.0.1
- 10.42.24.242This module provides facts detailing the available SSH client and server versions.
ssh_*_version_fullProvides the full version number including the portable version number.ssh_*_version_majorProvides the first two numbers in the version number.ssh_*_version_releaseProvides the first three number components of the version, no portable version is present.
Example facter output for OpenSSH 6.6.1p1:
ssh_client_version_full => 6.6.1p1
ssh_client_version_major => 6.6
ssh_client_version_release => 6.6.1
ssh_server_version_full => 6.6.1p1
ssh_server_version_major => 6.6
ssh_server_version_release => 6.6.1
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