Filippo Giunchedi has uploaded a new change for review.
https://gerrit.wikimedia.org/r/310557
Change subject: [WIP] prometheus: add varnish_exporter
......................................................................
[WIP] prometheus: add varnish_exporter
Change-Id: I325ccc028da833da917514885cfa6bca998cc533
---
A modules/prometheus/manifests/varnish_exporter.pp
A
modules/prometheus/templates/initscripts/prometheus-varnish-expor...@.systemd.erb
A modules/role/manifests/prometheus/varnish_exporter.pp
3 files changed, 74 insertions(+), 0 deletions(-)
git pull ssh://gerrit.wikimedia.org:29418/operations/puppet
refs/changes/57/310557/1
diff --git a/modules/prometheus/manifests/varnish_exporter.pp
b/modules/prometheus/manifests/varnish_exporter.pp
new file mode 100644
index 0000000..39d31e7
--- /dev/null
+++ b/modules/prometheus/manifests/varnish_exporter.pp
@@ -0,0 +1,29 @@
+# Prometheus Varnish metrics exporter.
+
+# === Parameters
+#
+# [*$instance*]
+# The varnish instance to use, passed to varnishstat -n
+#
+# [*$listen_address*]
+# The host:port tuple to listen on, host can be omitted.
+
+class prometheus::varnish_exporter (
+ $instance = $::hostname,
+ $listen_address = ':9131',
+) {
+ require_package('prometheus-varnish-exporter')
+
+ exec { 'mask_default_varnish_exporter':
+ command => '/bin/systemctl mask prometheus-varnish-exporter.service',
+ creates => '/etc/systemd/system/prometheus-varnish-exporter.service',
+ }
+
+ base::service_unit { "prometheus-varnish-exporter@${instance}":
+ ensure => present,
+ refresh => true,
+ systemd => true,
+ template_name => 'prometheus-varnish-exporter@',
+ require => Package['prometheus-varnish-exporter'],
+ }
+}
diff --git
a/modules/prometheus/templates/initscripts/prometheus-varnish-expor...@.systemd.erb
b/modules/prometheus/templates/initscripts/prometheus-varnish-expor...@.systemd.erb
new file mode 100644
index 0000000..cc3ca2c
--- /dev/null
+++
b/modules/prometheus/templates/initscripts/prometheus-varnish-expor...@.systemd.erb
@@ -0,0 +1,11 @@
+[Unit]
+Description=Prometheus exporter for Varnish (instance %i)
+Documentation=https://prometheus.io/docs/introduction/overview/
+
+[Service]
+Restart=always
+User=prometheus
+ExecStart=/usr/bin/prometheus-varnish-exporter -raw -n <%= @instance %>
-web.listen-address <%= @listen_address %>
+
+[Install]
+WantedBy=multi-user.target
diff --git a/modules/role/manifests/prometheus/varnish_exporter.pp
b/modules/role/manifests/prometheus/varnish_exporter.pp
new file mode 100644
index 0000000..c900858
--- /dev/null
+++ b/modules/role/manifests/prometheus/varnish_exporter.pp
@@ -0,0 +1,34 @@
+# == Class: role::prometheus::varnish_exporter
+#
+# The role sets up one exporter per instance:
+# default on tcp/9131
+# frontend on tcp/9331 (ie. default + 200)
+
+class role::prometheus::varnish_exporter {
+ if $::realm == 'labs' {
+ $ferm_srange = '$LABS_NETWORKS'
+ } else {
+ $prometheus_nodes = hiera('prometheus_nodes')
+ $prometheus_ferm_nodes = join($prometheus_nodes, ' ')
+ $ferm_srange = "@resolve((${prometheus_ferm_nodes}))"
+ }
+
+ class { '::prometheus::varnish_exporter': }
+
+ ferm::service { 'prometheus-varnish-exporter':
+ proto => 'tcp',
+ port => '9131',
+ srange => $ferm_srange,
+ }
+
+ class { '::prometheus::varnish_exporter':
+ instance => 'frontend',
+ listen_address => ':9331',
+ }
+
+ ferm::service { 'prometheus-varnish-exporter-frontend':
+ proto => 'tcp',
+ port => '9331',
+ srange => $ferm_srange,
+ }
+}
--
To view, visit https://gerrit.wikimedia.org/r/310557
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings
Gerrit-MessageType: newchange
Gerrit-Change-Id: I325ccc028da833da917514885cfa6bca998cc533
Gerrit-PatchSet: 1
Gerrit-Project: operations/puppet
Gerrit-Branch: production
Gerrit-Owner: Filippo Giunchedi <fgiunch...@wikimedia.org>
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