snapshot of https://github.com/zulip/zulip.git @ 48c69911c7dd4e03b20552eb3bd77ad8151c1357 (2026-09-15)

puppet/kandra/manifests/profile/prometheus_server.pp

@@ -0,0 +1,87 @@
+# @summary Gathers Prometheus statistics from all nodes.
+#
+# Only one instance is necessary.
+#
+class kandra::profile::prometheus_server inherits kandra::profile::base {
+
+  include kandra::prometheus::base
+
+  # Service discovery via Teleport
+  include kandra::teleport::tbot
+  include kandra::teleport::sd
+
+  # This blackbox monitoring of the backup system runs locally
+  include kandra::prometheus::wal_g
+
+  # Ditto the Akamai logs
+  include kandra::prometheus::akamai
+
+  # Ditto Weblate
+  include kandra::prometheus::weblate
+
+  # The SES log ETL (writing to S3) runs on vector
+  include kandra::ses_logs
+
+  # Export prometheus stats to status.zulip.com
+  include kandra::statuspage
+
+  $version = $zulip::common::versions['prometheus']['version']
+  $dir = "/srv/zulip-prometheus-${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-${version}.linux-${zulip::common::goarch}.tar.gz",
+    tarball_prefix => "prometheus-${version}.linux-${zulip::common::goarch}",
+    bin            => [$bin, "${dir}/promtool"],
+    cleanup_after  => [Service[supervisor]],
+  }
+  file { '/usr/local/bin/promtool':
+    ensure  => link,
+    target  => "${dir}/promtool",
+    require => File["${dir}/promtool"],
+    before  => Exec['Cleanup prometheus'],
+  }
+
+  file { $data_dir:
+    ensure  => directory,
+    owner   => 'prometheus',
+    group   => 'prometheus',
+    require => [ User[prometheus], Group[prometheus] ],
+  }
+  file { '/etc/prometheus':
+    ensure => directory,
+    owner  => 'root',
+    group  => 'root',
+    mode   => '0755',
+  }
+
+  $czo = zulipconf('prometheus', 'czo', '')
+  $other_hosts = split(zulipconf('prometheus', 'other_hosts', ''), ',')
+  $backup_buckets = split(zulipconf('prometheus', 'walg_buckets', ''), ',')
+  file { '/etc/prometheus/prometheus.yaml':
+    ensure  => file,
+    owner   => 'root',
+    group   => 'root',
+    mode    => '0644',
+    content => template('kandra/prometheus/prometheus.yaml.template.erb'),
+    notify  => Service[supervisor],
+  }
+
+  file { "${zulip::common::supervisor_conf_dir}/prometheus.conf":
+    ensure  => file,
+    require => [
+      Package[supervisor],
+      File[$bin],
+      File[$data_dir],
+      File['/etc/prometheus/prometheus.yaml'],
+      Service['tbot'],
+    ],
+    owner   => 'root',
+    group   => 'root',
+    mode    => '0644',
+    content => template('kandra/supervisor/conf.d/prometheus.conf.template.erb'),
+    notify  => Service[supervisor],
+  }
+}