add minimalistic role for prometheus/alertmanager

2 files changed, 54 insertions, 0 deletions

diff --git a/roles/monitoring/prometheus/alertmanager/templates/alertmanager.yml.j2 b/roles/monitoring/prometheus/alertmanager/templates/alertmanager.yml.j2
new file mode 100644
index 00000000..b1d40bb2
--- /dev/null
+++ b/roles/monitoring/prometheus/alertmanager/templates/alertmanager.yml.j2
@@ -0,0 +1,17 @@
+# {{ ansible_managed }}
+
+global:
+  smtp_smarthost: '{{ promethues_alertmanager_smtp.smarthost }}'
+  smtp_from: '{{ promethues_alertmanager_smtp.from }}'
+  smtp_require_tls: {{ promethues_alertmanager_smtp.require_tls | ternary('true', 'false') }}
+
+route:
+  receiver: empty
+
+  routes:
+  - match_re:
+      instance: ^$
+    receiver: empty
+
+receivers:
+- name: empty
diff --git a/roles/monitoring/prometheus/alertmanager/templates/prometheus-alertmanager.service.j2 b/roles/monitoring/prometheus/alertmanager/templates/prometheus-alertmanager.service.j2
new file mode 100644
index 00000000..f290dca8
--- /dev/null
+++ b/roles/monitoring/prometheus/alertmanager/templates/prometheus-alertmanager.service.j2
@@ -0,0 +1,37 @@
+[Unit]
+Description=Alertmanager for Prometheus Monitoring system
+Documentation=https://prometheus.io/docs/alerting/alertmanager/
+
+[Service]
+Restart=on-failure
+User=prometheus-alertmanager
+ExecStart=/usr/bin/prometheus-alertmanager --config.file=/etc/prometheus/alertmanager.yml --cluster.listen-address= --storage.path="/var/lib/prometheus/alertmanager"
+ExecReload=/bin/kill -HUP $MAINPID
+TimeoutStopSec=20s
+SendSIGKILL=no
+
+# systemd hardening-options
+AmbientCapabilities=
+CapabilityBoundingSet=
+DeviceAllow=/dev/null rw
+DevicePolicy=strict
+LimitMEMLOCK=0
+LimitNOFILE=8192
+LockPersonality=true
+MemoryDenyWriteExecute=true
+NoNewPrivileges=true
+PrivateDevices=true
+PrivateTmp=true
+PrivateUsers=true
+ProtectControlGroups=true
+ProtectHome=true
+ProtectKernelModules=true
+ProtectKernelTunables=true
+ProtectSystem=full
+RemoveIPC=true
+RestrictNamespaces=true
+RestrictRealtime=true
+SystemCallArchitectures=native
+
+[Install]
+WantedBy=multi-user.target