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# File 'modules/varnish/manifests/common.pp', line 1
class varnish::common(
$log_slow_request_threshold='60.0',
$logstash_host=undef,
$logstash_json_lines_port=undef,
) {
require ::varnish::packages
# Frontend memory cache sizing
$mem_gb = $::memorysize_mb / 1024.0
if ($mem_gb < 90.0) {
# virtuals, test hosts, etc...
$fe_mem_gb = 1
} else {
# Removing a constant factor before scaling helps with
# low-memory hosts, as they need more relative space to
# handle all the non-cache basics.
$fe_mem_gb = ceiling(0.7 * ($mem_gb - 80.0))
}
# Python version
if os_version('debian == stretch') {
$python_version = '3.5'
} elsif os_version('debian == buster') {
$python_version = '3.7'
}
# Mount /var/lib/varnish as tmpfs to avoid Linux flushing mlocked
# shm memory to disk
mount { '/var/lib/varnish':
ensure => mounted,
device => 'tmpfs',
fstype => 'tmpfs',
options => 'noatime,defaults,size=512M',
pass => 0,
dump => 0,
require => Class['varnish::packages'],
}
file { '/usr/local/sbin/reload-vcl':
source => 'puppet:///modules/varnish/reload-vcl.py',
owner => 'root',
group => 'root',
mode => '0555',
}
# Scripts to depool, restart and repool varnish frontends
file { '/usr/local/sbin/varnish-frontend-restart':
owner => 'root',
group => 'root',
mode => '0555',
source => 'puppet:///modules/varnish/varnish-frontend-restart',
}
file { '/usr/local/share/dstat':
ensure => directory,
owner => 'root',
group => 'root',
mode => '0755',
}
file { '/usr/local/share/dstat/dstat_varnishstat.py':
owner => 'root',
group => 'root',
mode => '0444',
source => 'puppet:///modules/varnish/dstat_varnishstat.py',
require => File['/usr/local/share/dstat'],
}
file { '/usr/local/share/dstat/dstat_varnish_hit.py':
owner => 'root',
group => 'root',
mode => '0444',
source => 'puppet:///modules/varnish/dstat_varnish_hit.py',
require => File['/usr/local/share/dstat'],
}
# `vlogdump` is a small tool to filter the output of varnishlog
# See <https://github.com/cosimo/vlogdump> for more.
file { '/usr/local/bin/vlogdump':
source => 'puppet:///modules/varnish/vlogdump',
owner => 'root',
group => 'root',
mode => '0555',
}
file { '/usr/local/lib/python2.7/dist-packages/varnishprocessor':
ensure => absent,
recurse => true,
purge => true,
force => true,
}
# We are not using varnishncsa, make sure it's stopped
service { 'varnishncsa':
ensure => 'stopped',
enable => false,
}
# We don't use varnishlog at all, and it can become an issue, see T135700
service { 'varnishlog':
ensure => 'stopped',
}
file { '/usr/local/lib/python2.7/dist-packages/varnishapi.py':
ensure => absent,
}
file { '/usr/local/lib/python2.7/dist-packages/varnishlog.py':
ensure => absent,
}
# Install cachestats.py
file { '/usr/local/lib/python2.7/dist-packages/cachestats.py':
source => 'puppet:///modules/varnish/cachestats.py',
owner => 'root',
group => 'root',
mode => '0444',
}
}
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