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rsyslog

Manage rsyslog client and server

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Version information

  • 5.0.0 (latest)
  • 4.0.3
  • 4.0.2
  • 4.0.0
  • 3.5.1
  • 3.5.0
  • 3.4.0
  • 3.3.0
  • 3.2.0
  • 3.1.0
  • 3.0.0
  • 2.4.0
  • 2.3.0
  • 2.2.1
  • 2.2.0
  • 2.1.0
  • 2.0.1
  • 2.0.0
  • 1.1.4
  • 1.1.3
  • 1.1.2
  • 1.1.1
  • 1.1.0
  • 1.0.0
released Nov 18th 2016
This version is compatible with:
  • Puppet Enterprise >= 3.2.0 < 3.4.0
  • Puppet >= 3.0.0 < 5.0.0
  • RedHat, Amazon, CentOS, SuSe, SLES, OracleLinux, Scientific, Debian, Ubuntu, FreeBSD, Gentoo

Start using this module

  • r10k or Code Manager
  • Bolt
  • Manual installation
  • Direct download

Add this module to your Puppetfile:

mod 'saz-rsyslog', '5.0.0'
Learn more about managing modules with a Puppetfile

Add this module to your Bolt project:

bolt module add saz-rsyslog
Learn more about using this module with an existing project

Manually install this module globally with Puppet module tool:

puppet module install saz-rsyslog --version 5.0.0

Direct download is not typically how you would use a Puppet module to manage your infrastructure, but you may want to download the module in order to inspect the code.

Download

Documentation

saz/rsyslog — version 5.0.0 Nov 18th 2016

puppet-rsyslog Build Status

Manage rsyslog client and server via Puppet

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REQUIREMENTS

  • Puppet >= 3.0
  • Starting with release 4.0.0 Puppet < 3.0 is not tested anymore

Supported platforms

  • Debian-based distributions
  • RedHat-based distributions
  • Suse-based distributions
  • Gentoo
  • FreeBSD

USAGE

Client

Using default values

  class { 'rsyslog::client': }

Variables and default values

  class { 'rsyslog::client':
    log_remote                => true,
    spool_size                => '1g',
    spool_timeoutenqueue      => false,
    remote_type               => 'tcp',
    remote_forward_format     => 'RSYSLOG_ForwardFormat',
    log_local                 => false,
    log_local_custom          => undef,
    log_auth_local            => false,
    listen_localhost          => false,
    split_config              => false,
    custom_config             => undef,
    custom_params             => undef,
    server                    => 'log',
    port                      => '514',
    remote_servers            => false,
    ssl_ca                    => undef,
    ssl_permitted_peer        => undef,
    ssl_auth_mode             => 'anon',
    log_templates             => false,
    log_filters               => false,
    actionfiletemplate        => false,
    high_precision_timestamps => false,
    rate_limit_burst          => undef,
    rate_limit_interval       => undef,
    imfiles                   => undef
  }

for read from file

  rsyslog::imfile { 'my-imfile':
    file_name     => '/some/file',
    file_tag      => 'mytag',
    file_facility => 'myfacility',
  }

Defining custom logging templates

The log_templates parameter can be used to set up custom logging templates, which can be used for local and/or remote logging. More detail on template formats can be found in the rsyslog documentation.

The following examples sets up a custom logging template as per RFC3164fmt:

class{'rsyslog::client':
  log_templates => [
    {
      name      => 'RFC3164fmt',
      template  => '<%PRI%>%TIMESTAMP% %HOSTNAME% %syslogtag%%msg%',
    },
  ]
}

Logging to multiple remote servers

The remote_servers parameter can be used to set up logging to multiple remote servers which are supplied as a list of key value pairs for each remote. There is an example configuration provided in ./test/multiple_hosts.pp

Using the remote_servers parameter over-rides the other remote sever parameters, and they will not be used in the client configuration file:

  • log_remote
  • remote_type
  • server
  • port

The following example sets up three remote logging hosts for the client:

class{'rsyslog::client':
  remote_servers => [
    {
      host => 'logs.example.org',
    },
    {
      port => '55514',
    },
    {
      host      => 'logs.somewhere.com',
      port      => '555',
      pattern   => '*.log',
      protocol  => 'tcp',
      format    => 'RFC3164fmt',
    },
  ]
}

Each host has the following parameters:

  • host: Sets the address or hostname of the remote logging server. Defaults to localhost
  • port: Sets the port the host is listening on. Defaults to 514
  • pattern: Sets the pattern to match logs. Defaults to *.*
  • protocol: Sets the protocol. Only recognises TCP and UDP. Defaults to UDP
  • format: Sets the log format. Defaults to not specifying log format, which defaults to the format set by ActionFileDefaultTemplate in the client configuration.

Logging to a MySQL or PostgreSQL database

Events can also be logged to a MySQL or PostgreSQL database. The database needs to be deployed separately, either locally or remotely. Schema are available from the rsyslog source:

Declare the following to configure the connection:

  class { 'rsyslog::database':
    backend  => 'mysql',
    server   => 'localhost',
    database => 'Syslog',
    username => 'rsyslog',
    password => 'secret',
  }

Server

Using default values

  class { 'rsyslog::server': }

Variables and default values

  class { 'rsyslog::server':
    enable_tcp                => true,
    enable_udp                => true,
    enable_relp               => true,
    enable_onefile            => false,
    relay_server              => false,
    server_dir                => '/srv/log/',
    custom_config             => undef,
    content                   => undef,
    port                      => '514',
    relp_port                 => '20514',
    address                   => '*',
    high_precision_timestamps => false,
    ssl_ca                    => undef,
    ssl_cert                  => undef,
    ssl_key                   => undef,
    log_templates             => false,
    log_filters               => false,
    actionfiletemplate        => false,
    rotate                    => undef
  }

Both can be installed at the same time.

PARAMETERS

The following lists all the class parameters this module accepts.

RSYSLOG CLASS PARAMETERS            VALUES              DESCRIPTION
-------------------------------------------------------------------
msg_reduction                       true,false          Reduce repeated messages. Defaults to false.
non_kernel_facility                 true,false          Permit non-kernel facility messages in the kernel log. Defaults to false.
omit_local_logging                  true,false          Turn off message reception via local log socket. Defaults to true only for RedHat 7+ and false elsewhere.
preserve_fqdn                       true,false          Use full name of host even if sender and receiver are in the same domain. Defaults to false.
local_host_name                     STRING              Use a custom local host name, instead of clients actual host name. Defaults to undef.
package_status                      STRING              Manages rsyslog package installation. Defaults to 'present'.

RSYSLOG::SERVER CLASS PARAMETERS    VALUES              DESCRIPTION
-------------------------------------------------------------------
enable_tcp                          true,false          Enable TCP listener. Defaults to true.
enable_udp                          true,false          Enable UDP listener. Defaults to true.
enable_relp                         true,false          Enable RELP listener. Defaults to true.
enable_onefile                      true,false          Only one logfile per remote host. Defaults to false.
relay_server                        true,false          If the server should be able to relay the received logs to another server. The rsyslog::client must also be set up. Defaults to false.
server_dir                          STRING              Folder where logs will be stored on the server. Defaults to '/srv/log/'
custom_config                       STRING              Specify your own template to use for server config. Defaults to undef. Example usage: custom_config => 'rsyslog/my_config.erb'
content                             STRING              Specify the content of the server config, instead of using a template. Defaults to undef.
port                                STRING/INTEGER      Port to listen on for messages via UDP and TCP. Defaults to 514
relp_port                           STRING/INTEGER      Port to listen on for messages via RELP. Defaults to 20514
address                             STRING              The IP address to bind to. Applies to UDP listener only. Defaults to '*'.
high_precision_timestamps           true,false          Whether or not to use high precision timestamps. Defaults to false.
ssl_ca                              STRING              Path to SSL CA certificate. Defaults to undef.
ssl_cert                            STRING              Path to SSL certificate. Defaults to undef.
ssl_key                             STRING              Path to SSL private key. Defaults to undef.
log_templates                       HASH                Provides a hash defining custom logging templates using the `$template` configuration parameter. Defaults to false.
log_filters                         HASH                Provides a hash defining custom logging filters using the `if/then` configurations parameter. Defaults to false.
actionfiletemplate                  STRING              If set this defines the `ActionFileDefaultTemplate` which sets the default logging format for remote and local logging. Defaults to false.
rotate                              STRING              Enables rotation of logfiles. Valid values: year, month, day. Defaults to undef.

RSYSLOG::CLIENT CLASS PARAMETERS    VALUES              DESCRIPTION
-------------------------------------------------------------------
log_remote                          true,false          Log Remotely. Defaults to true.
spool_size                          STRING              Max size for disk queue if remote server failed. Defaults to '1g'.
remote_type                         'tcp','udp','relp'  Which protocol to use when logging remotely. Defaults to 'tcp'.
remote_forward_format               STRING              Which forward format for remote servers should be used. Only used if remote_servers is false.
log_local                           true,false          Log locally. Defaults to false.
log_auth_local                      true,false          Just log auth facility locally. Defaults to false.
split_config                        true,false          Splits the client config into 00_client_config.conf, 50_client_remote.conf and 99_client_local.conf. Defaults to false.
custom_config                       STRING              Specify your own template to use for client config. Defaults to undef. Example usage: custom_config => 'rsyslog/my_config.erb'
custom_params                       TODO                TODO
server                              STRING              Rsyslog server to log to. Will be used in the client configuration file. Only used, if remote_servers is false.
port                                '514'               Remote server port. Only used if remote_servers is false.
remote_servers                      Array of hashes     Array of hashes with remote servers. See documentation above. Defaults to false.
ssl_ca                              STRING              SSL CA file location. Defaults to undef.
ssl_permitted_peer                  STRING              List of permitted peers. Defaults to undef.
ssl_auth_mode                       STRING              SSL auth mode. Defaults to anon.
log_templates                       HASH                Provides a has defining custom logging templates using the `$template` configuration parameter.
log_filters                         HASH                Provides a has defining custom logging filters using the `if/then` configurations parameter.
actionfiletemplate                  STRING              If set this defines the `ActionFileDefaultTemplate` which sets the default logging format for remote and local logging.
high_precision_timestamps           true,false          Whether or not to use high precision timestamps.
rate_limit_burst                    INTEGER             Specifies the number of messages in $rate_limit_interval before limiting begins. Defaults to undef.
rate_limit_interval                 INTEGER             Specifies the number of seconds per rate limit interval. Defaults to undef.

RSYSLOG::DATABASE CLASS PARAMETERS  VALUES              DESCRIPTION
-------------------------------------------------------------------
backend                             'mysql','pgsql'     Database backend (MySQL or PostgreSQL).
server                              STRING              Database server.
database                            STRING              Database name.
username                            STRING              Database username.
password                            STRING              Database password.

Other notes

By default, rsyslog::server will strip numbers from hostnames. This means the logs of multiple servers with the same non-numerical name will be aggregrated in a single directory. i.e. www01 www02 and www02 would all log to the www directory.

To log each host to a seperate directory, set the custom_config parameter to 'rsyslog/server-hostname.conf.erb'

If any of the following parameters are set to false, then the module will not manage the respective package:

gnutls_package_name
relp_package_name
rsyslog_package_name

This can be used when using the adiscon PPA repository, that has merged rsyslog-gnutls with the main rsyslog package.

Default package_status parameter for rsyslog class used to be 'latest'. However, it was against puppet best practices so it defaults to 'present' now.