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config_entry.pp
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config_entry.pp
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# Manage a postgresql.conf entry. See README.md for more details.
define postgresql::server::config_entry (
$ensure = 'present',
$value = undef,
$path = false
) {
$postgresql_conf_path = $postgresql::server::postgresql_conf_path
$target = $path ? {
false => $postgresql_conf_path,
default => $path,
}
Exec {
logoutput => 'on_failure',
}
case $name {
/data_directory|timezone|hba_file|ident_file|include|listen_addresses|port|max_connections|superuser_reserved_connections|unix_socket_director(y|ies)|unix_socket_group|unix_socket_permissions|bonjour|bonjour_name|ssl|ssl_ciphers|shared_buffers|max_prepared_transactions|max_files_per_process|shared_preload_libraries|wal_level|wal_buffers|archive_mode|max_wal_senders|hot_standby|logging_collector|silent_mode|track_activity_query_size|autovacuum_max_workers|autovacuum_freeze_max_age|max_locks_per_transaction|max_pred_locks_per_transaction|restart_after_crash|lc_messages|lc_monetary|lc_numeric|lc_time/: {
if $postgresql::server::service_restart_on_change {
Postgresql_conf {
notify => Class['postgresql::server::service'],
before => Class['postgresql::server::reload'],
}
} else {
Postgresql_conf {
before => [
Class['postgresql::server::service'],
Class['postgresql::server::reload'],
],
}
}
}
default: {
Postgresql_conf {
notify => Class['postgresql::server::reload'],
}
}
}
# We have to handle ports and the data directory in a weird and
# special way. On early Debian and Ubuntu and RHEL we have to ensure
# we stop the service completely. On RHEL 7 we either have to create
# a systemd override for the port or update the sysconfig file, but this
# is managed for us in postgresql::server::config.
if $::operatingsystem == 'Debian' or $::operatingsystem == 'Ubuntu' {
if $name == 'port' and ( $::operatingsystemrelease =~ /^6/ or $::operatingsystemrelease =~ /^10\.04/ ) {
exec { "postgresql_stop_${name}":
command => "service ${::postgresql::server::service_name} stop",
onlyif => "service ${::postgresql::server::service_name} status",
unless => "grep 'port = ${value}' ${::postgresql::server::postgresql_conf_path}",
path => '/usr/sbin:/sbin:/bin:/usr/bin:/usr/local/bin',
before => Postgresql_conf[$name],
}
}
elsif $name == 'data_directory' {
exec { "postgresql_stop_${name}":
command => "service ${::postgresql::server::service_name} stop",
onlyif => "service ${::postgresql::server::service_name} status",
unless => "grep \"data_directory = '${value}'\" ${::postgresql::server::postgresql_conf_path}",
path => '/usr/sbin:/sbin:/bin:/usr/bin:/usr/local/bin',
before => Postgresql_conf[$name],
}
}
}
if $::osfamily == 'RedHat' {
if ! ($::operatingsystemrelease =~ /^7/ or $::operatingsystem == 'Fedora') {
if $name == 'port' {
# We need to force postgresql to stop before updating the port
# because puppet becomes confused and is unable to manage the
# service appropriately.
exec { "postgresql_stop_${name}":
command => "service ${::postgresql::server::service_name} stop",
onlyif => "service ${::postgresql::server::service_name} status",
unless => "grep 'PGPORT=${value}' /etc/sysconfig/pgsql/postgresql",
path => '/sbin:/bin:/usr/bin:/usr/local/bin',
require => File['/etc/sysconfig/pgsql/postgresql'],
}
-> augeas { 'override PGPORT in /etc/sysconfig/pgsql/postgresql':
lens => 'Shellvars.lns',
incl => '/etc/sysconfig/pgsql/*',
context => '/files/etc/sysconfig/pgsql/postgresql',
changes => "set PGPORT ${value}",
require => File['/etc/sysconfig/pgsql/postgresql'],
notify => Class['postgresql::server::service'],
before => Class['postgresql::server::reload'],
}
} elsif $name == 'data_directory' {
# We need to force postgresql to stop before updating the data directory
# otherwise init script breaks
exec { "postgresql_${name}":
command => "service ${::postgresql::server::service_name} stop",
onlyif => "service ${::postgresql::server::service_name} status",
unless => "grep 'PGDATA=${value}' /etc/sysconfig/pgsql/postgresql",
path => '/sbin:/bin:/usr/bin:/usr/local/bin',
require => File['/etc/sysconfig/pgsql/postgresql'],
}
-> augeas { 'override PGDATA in /etc/sysconfig/pgsql/postgresql':
lens => 'Shellvars.lns',
incl => '/etc/sysconfig/pgsql/*',
context => '/files/etc/sysconfig/pgsql/postgresql',
changes => "set PGDATA ${value}",
require => File['/etc/sysconfig/pgsql/postgresql'],
notify => Class['postgresql::server::service'],
before => Class['postgresql::server::reload'],
}
}
}
}
case $ensure {
/present|absent/: {
postgresql_conf { $name:
ensure => $ensure,
target => $target,
value => $value,
require => Class['postgresql::server::initdb'],
}
}
default: {
fail("Unknown value for ensure '${ensure}'.")
}
}
}

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