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zulip/puppet/zulip_ops/manifests/profile/prometheus_server.pp
2021-12-29 16:35:15 -08:00

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Puppet

# @summary Gathers Prometheus statistics from all nodes.
#
# Only one instance is necessary.
#
class zulip_ops::profile::prometheus_server {
include zulip_ops::profile::base
include zulip_ops::prometheus::base
$version = '2.27.1'
$dir = "/srv/zulip-prometheus-${version}"
$bin = "${dir}/prometheus"
$data_dir = '/var/lib/prometheus'
zulip::external_dep { 'prometheus':
version => $version,
url => "https://github.com/prometheus/prometheus/releases/download/v${version}/prometheus-${version}.linux-${::architecture}.tar.gz",
sha256 => 'ce637d0167d5e6d2561f3bd37e1c58fe8601e13e4e1ea745653c068f6e1317ae',
tarball_prefix => "prometheus-${version}.linux-${::architecture}",
bin => 'prometheus',
}
file { '/usr/local/bin/promtool':
ensure => 'link',
target => "${dir}/promtool",
require => File[$dir],
}
# This was moved to an external dep in 2021/12, and the below can be
# removed once the prod server has taken the update.
file { '/srv/prometheus':
ensure => absent,
}
file { $data_dir:
ensure => directory,
owner => 'prometheus',
group => 'prometheus',
require => [ User[prometheus], Group[prometheus] ],
}
file { '/etc/prometheus':
ensure => directory,
owner => 'root',
group => 'root',
mode => '0644',
}
file { '/etc/prometheus/prometheus.yaml':
ensure => file,
owner => 'root',
group => 'root',
mode => '0644',
source => 'puppet:///modules/zulip_ops/prometheus/prometheus.yaml',
notify => Service[supervisor],
}
file { "${zulip::common::supervisor_conf_dir}/prometheus.conf":
ensure => file,
require => [
Package[supervisor],
File[$bin],
File[$data_dir],
File['/etc/prometheus/prometheus.yaml'],
],
owner => 'root',
group => 'root',
mode => '0644',
content => template('zulip_ops/supervisor/conf.d/prometheus.conf.template.erb'),
notify => Service[supervisor],
}
}