#puppet-logstash#
- Simple puppet logstash module, tries to take care of making sure redis & elasticsearch are available.
- Supports grabbing logstash jar directly (jar's are packages right? we just don't support them natively yet :-))
- aimed at logstash-1.1 or newer, with simple redis setup
- templated init scripts for all java daemons (based on work by Josh Davis/Christian d'Heureuse)
##Usage##
Declare a config class that is used by the working classes:
# this example is enough for CentOS 5
class { 'logstash::config':
logstash_home => '/opt/logstash',
logstash_jar_provider => 'http',
logstash_transport => 'redis',
redis_provider => 'package',
elasticsearch_provider => 'embedded',
}
# there is a redis RPM here:
yumrepo { 'yum.mccartney.ie':
baseurl => 'http://yum.mccartney.ie',
descr => 'redis for el',
gpgcheck => 0,
}Then just apply the required classes to each node:
# indexer/storage node
class { 'logstash::indexer': }
# use this class to provide transport that matches what we want, optional
class { 'logstash::redis': }
# straight log shipper only
class { 'logstash::shipper': }
# web interface
class { 'logstash::web': }Different configuration strategies are available to generate the shipper configuration file.
This strategy tracks events in the syslog format. The monitored log files can be defined in the $config_params parameter hash by setting a "logfiles" key together with a CSV-string containing the logfiles as value.
The default strategy is used if no configuration parameters were passed to the shipper class.
# Default configuration strategy
class { 'logstash::shipper':
config_strategy => 'logstash::shipper::defaultconfig',
config_params => {
logfiles => '"/var/log/messages", "/var/log/syslog", "/var/log/*.log"'
}
}The shared configuration strategy enables other Puppet modules to add configuration snippets to the shipper configuration. All snippets are later concatenated to one shipper configuration file.
The shared configuration strategy is using Puppet-Concat (see https://github.com/ripienaar/puppet-concat). Please make sure that the Puppet-Concat module is available in the modulepath.
class { 'logstash::shipper':
config_strategy => 'logstash::shipper::sharedconfig',
config_params => {}
}Other modules can use defines to add input, output or filter snippets to the shipper configuration. The define name should contain the path to the template file which contains the configuration snippet. Alternativelly, the template path can be set with the template parameter.
# add a filter configuration
logstash::shipper::sharedconfig::add_filter { 'mymodule/logstash/shipper-filter.conf.erb': }
# add an input configuration
logstash::shipper::sharedconfig::add_input { 'mymodule/logstash/shipper-input.conf.erb': }
# add an output configuration
logstash::shipper::sharedconfig::add_output { 'a_custom_name':
template => 'mymodule/logstash/shipper-output.conf.erb'
}###Sample config for Ubuntu Precise (12.04)
class { 'logstash::config':
logstash_home => '/opt/logstash',
logstash_jar_provider => 'http', # pull down the jar over http
logstash_transport => 'redis', # configure redis as the transport
redis_provider => 'package', # install redis from native package please
redis_package => 'redis-server', # package name for this platform
redis_version => '', # package-version doesn't work with apt/deb
elasticsearch_provider => 'embedded', # we'll run ES inside out logstash JVM
java_provider => 'package', # install java for me please, from a package
java_package => 'openjdk-6-jdk', # package name on this platform
java_home => '/usr/lib/jvm/java-6-openjdk-amd64',
# JAVA_HOME for your chosen JDK
}###Sample config for Debian Squeeze (6)
class { 'logstash::config':
logstash_home => '/opt/logstash',
logstash_jar_provider => 'http',
logstash_transport => 'redis',
redis_provider => 'external', # Debian 6 ships with redis-server-1.2.6,
# which doesn't support BLPOP, so you'll have
# provide your own redis-server
elasticsearch_provider => 'embedded', # we'll run ES inside out logstash JVM
java_provider => 'package', # install java for me please, from a package
java_package => 'openjdk-6-jdk', # package name on this platform
java_home => '/usr/lib/jvm/java-6-openjdk',
# JAVA_HOME for your chosen JDK
}##Configuration Detail##
Many of the configuration defaults come from the original behaviour of Kris Buytaert's original module, which this started out as a fork of.
#Credit# Based on lots of original work by Kris Buytaert & Joe McDonagh https://github.com/KrisBuytaert/puppet-logstash https://github.com/thesilentpenguin/puppet-logstash
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