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# @summary Manages the config for a postgresql::server instance
#
# @param ip_mask_deny_postgres_user Specifies the IP mask from which remote connections should be denied for the postgres superuser.
# Default value: '0.0.0.0/0', which denies any remote connection.
# @param ip_mask_allow_all_users
# Overrides PostgreSQL defaults for remote connections. By default, PostgreSQL does not allow database user accounts to connect via TCP
# from remote machines. If you'd like to allow this, you can override this setting.
# Set to '0.0.0.0/0' to allow database users to connect from any remote machine, or '192.168.0.0/1' to allow connections from any machine
# on your local '192.168' subnet.
# Default value: '127.0.0.1/32'.
# @param listen_addresses Address list on which the PostgreSQL service will listen
# @param port
# Specifies the port for the PostgreSQL server to listen on.
# Note: The same port number is used for all IP addresses the server listens on. Also, for Red Hat systems and early Debian systems,
# changing the port causes the server to come to a full stop before being able to make the change.
# Default value: 5432. Meaning the Postgres server listens on TCP port 5432.
# @param ipv4acls Lists strings for access control for connection method, users, databases, IPv4 addresses.
# @param ipv6acls Lists strings for access control for connection method, users, databases, IPv6 addresses.
# @param pg_hba_conf_path Specifies the path to your pg_hba.conf file.
# @param pg_ident_conf_path Specifies the path to your pg_ident.conf file.
# @param postgresql_conf_path Specifies the path to your postgresql.conf file.
# @param postgresql_conf_mode Sets the mode of your postgresql.conf file. Only relevant if manage_postgresql_conf_perms is true.
# @param recovery_conf_path Specifies the path to your recovery.conf file.
# @param pg_hba_conf_defaults
# If false, disables the defaults supplied with the module for pg_hba.conf. This is useful if you disagree with the defaults and wish to
# override them yourself. Be sure that your changes of course align with the rest of the module, as some access is required to perform
# basic psql operations for example.
# @param user Overrides the default PostgreSQL super user and owner of PostgreSQL related files in the file system.
# @param group Overrides the default postgres user group to be used for related files in the file system.
# @param version Sets PostgreSQL version
# @param manage_pg_hba_conf Boolean. Whether to manage the pg_hba.conf.
# @param manage_pg_ident_conf Boolean. Overwrites the pg_ident.conf file.
# @param manage_recovery_conf Boolean. Specifies whether or not manage the recovery.conf.
# @param manage_postgresql_conf_perms
# Whether to manage the postgresql conf file permissions. This means owner,
# group and mode. Contents are not managed but should be managed through
# postgresql::server::config_entry.
# @param datadir PostgreSQL data directory
# @param logdir PostgreSQL log directory
# @param service_name Overrides the default PostgreSQL service name.
# @param service_enable Enable the PostgreSQL service
# @param log_line_prefix PostgreSQL log line prefix
# @param timezone Set timezone for the PostgreSQL instance
# @param password_encryption Specify the type of encryption set for the password.
# @param pg_hba_auth_password_encryption
# Specify the type of encryption set for the password in pg_hba_conf,
# this value is usefull if you want to start enforcing scram-sha-256, but give users transition time.
# @param extra_systemd_config
# Adds extra config to systemd config file, can for instance be used to add extra openfiles. This can be a multi line string
# @param manage_selinux Specifies whether or not manage the conf file for selinux.
define postgresql::server::instance::config (
String[1] $ip_mask_deny_postgres_user = $postgresql::server::ip_mask_deny_postgres_user,
String[1] $ip_mask_allow_all_users = $postgresql::server::ip_mask_allow_all_users,
Optional[Variant[String[1], Array[String[1]]]] $listen_addresses = $postgresql::server::listen_addresses,
Stdlib::Port $port = $postgresql::server::port,
Array[String[1]] $ipv4acls = $postgresql::server::ipv4acls,
Array[String[1]] $ipv6acls = $postgresql::server::ipv6acls,
Stdlib::Absolutepath $pg_hba_conf_path = $postgresql::server::pg_hba_conf_path,
Stdlib::Absolutepath $pg_ident_conf_path = $postgresql::server::pg_ident_conf_path,
Stdlib::Absolutepath $postgresql_conf_path = $postgresql::server::postgresql_conf_path,
Optional[Stdlib::Filemode] $postgresql_conf_mode = $postgresql::server::postgresql_conf_mode,
Stdlib::Absolutepath $recovery_conf_path = $postgresql::server::recovery_conf_path,
Boolean $pg_hba_conf_defaults = $postgresql::server::pg_hba_conf_defaults,
String[1] $user = $postgresql::server::user,
String[1] $group = $postgresql::server::group,
Optional[String[1]] $version = $postgresql::server::_version,
Boolean $manage_pg_hba_conf = $postgresql::server::manage_pg_hba_conf,
Boolean $manage_pg_ident_conf = $postgresql::server::manage_pg_ident_conf,
Boolean $manage_recovery_conf = $postgresql::server::manage_recovery_conf,
Boolean $manage_postgresql_conf_perms = $postgresql::server::manage_postgresql_conf_perms,
Stdlib::Absolutepath $datadir = $postgresql::server::datadir,
Optional[Stdlib::Absolutepath] $logdir = $postgresql::server::logdir,
String[1] $service_name = $postgresql::server::service_name,
Boolean $service_enable = $postgresql::server::service_enable,
Optional[String[1]] $log_line_prefix = $postgresql::server::log_line_prefix,
Optional[String[1]] $timezone = $postgresql::server::timezone,
Postgresql::Pg_password_encryption $password_encryption = $postgresql::server::password_encryption,
Optional[Postgresql::Pg_password_encryption] $pg_hba_auth_password_encryption = $postgresql::server::pg_hba_auth_password_encryption,
Optional[String] $extra_systemd_config = $postgresql::server::extra_systemd_config,
Boolean $manage_selinux = $postgresql::server::manage_selinux,
) {
$_pg_hba_auth_password_encryption = pick($pg_hba_auth_password_encryption,$password_encryption)
if ($manage_pg_hba_conf == true) {
# Prepare the main pg_hba file
concat { $pg_hba_conf_path:
owner => $user,
group => $group,
mode => '0640',
warn => true,
notify => Postgresql::Server::Instance::Reload[$name],
}
if $pg_hba_conf_defaults {
Postgresql::Server::Pg_hba_rule {
database => 'all',
target => $pg_hba_conf_path,
user => 'all',
}
postgresql::server::pg_hba_rule {
"local access as postgres user for instance ${name}":
type => 'local',
user => $user,
auth_method => 'ident',
order => 1;
"local access to database with same name for instance ${name}":
type => 'local',
auth_method => 'ident',
order => 2;
"allow localhost TCP access to postgresql user for instance ${name}":
type => 'host',
user => $user,
address => '127.0.0.1/32',
auth_method => $_pg_hba_auth_password_encryption,
order => 3;
"deny access to postgresql user for instance ${name}":
type => 'host',
user => $user,
address => $ip_mask_deny_postgres_user,
auth_method => 'reject',
order => 4;
"allow access to all users for instance ${name}":
type => 'host',
address => $ip_mask_allow_all_users,
auth_method => $_pg_hba_auth_password_encryption,
order => 100;
"allow access to ipv6 localhost for instance ${name}":
type => 'host',
address => '::1/128',
auth_method => $_pg_hba_auth_password_encryption,
order => 101;
}
} else {
Postgresql::Server::Pg_hba_rule {
target => $pg_hba_conf_path,
}
}
# $ipv4acls and $ipv6acls are arrays of rule strings
# They are converted into hashes we can iterate over to create postgresql::server::pg_hba_rule resources.
(
postgresql::postgresql_acls_to_resources_hash($ipv4acls, 'ipv4acls', 10) +
postgresql::postgresql_acls_to_resources_hash($ipv6acls, 'ipv6acls', 102)
).each | String $key, Hash $attrs| {
postgresql::server::pg_hba_rule { $key:
* => $attrs,
}
}
}
# set default postgresql_conf_path here so the path is configurable in instances for
# default values like port or listen_address
Postgresql::Server::Config_entry {
path => $postgresql_conf_path,
}
if $manage_postgresql_conf_perms {
file { $postgresql_conf_path:
ensure => file,
owner => $user,
group => $group,
mode => $postgresql_conf_mode,
}
}
if $listen_addresses {
postgresql::server::config_entry { "listen_addresses_for_instance_${name}":
key => 'listen_addresses',
value => $listen_addresses,
}
}
# ensure that SELinux has a proper label for the port defined
if $manage_selinux and $facts['os']['selinux']['enabled'] {
case $facts['os']['family'] {
'RedHat', 'Linux': {
if $facts['os']['name'] == 'Amazon' {
$package_name = 'policycoreutils'
}
else {
$package_name = $facts['os']['release']['major'] ? {
'6' => 'policycoreutils-python',
'7' => 'policycoreutils-python',
default => 'policycoreutils-python-utils',
}
}
}
default: {
$package_name = 'policycoreutils'
}
}
stdlib::ensure_packages([$package_name])
$exec_command = ['/usr/sbin/semanage', 'port', '-a', '-t', 'postgresql_port_t', '-p', 'tcp', $port]
$exec_unless = "/usr/sbin/semanage port -l | grep -qw ${port}"
exec { "/usr/sbin/semanage port -a -t postgresql_port_t -p tcp ${port}":
command => $exec_command,
unless => $exec_unless,
before => Postgresql::Server::Config_entry["port_for_instance_${name}"],
require => Package[$package_name],
}
}
postgresql::server::config_entry { "port_for_instance_${name}":
key => 'port',
value => $port,
}
if ($password_encryption) and (versioncmp($version, '10') >= 0) {
postgresql::server::config_entry { "password_encryption_for_instance_${name}":
key => 'password_encryption',
value => $password_encryption,
}
}
postgresql::server::config_entry { "data_directory_for_instance_${name}":
key => 'data_directory',
value => $datadir,
}
if $timezone {
postgresql::server::config_entry { "timezone_for_instance_${name}":
key => 'timezone',
value => $timezone,
}
}
if $logdir {
postgresql::server::config_entry { "log_directory_for_instance_${name}":
key => 'log_directory',
value => $logdir,
}
}
# Allow timestamps in log by default
if $log_line_prefix {
postgresql::server::config_entry { "log_line_prefix_for_instance_${name}":
key => 'log_line_prefix',
value => $log_line_prefix,
}
}
if ($manage_pg_ident_conf == true) {
concat { $pg_ident_conf_path:
owner => $user,
group => $group,
mode => '0640',
warn => true,
notify => Postgresql::Server::Instance::Reload[$name],
}
}
postgresql::server::instance::systemd { $name:
port => $port,
datadir => $datadir,
extra_systemd_config => $extra_systemd_config,
service_name => $service_name,
}
}
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