From 7d527be1c0db243d81c97d255e6c4c465531a994 Mon Sep 17 00:00:00 2001
From: Jeltz <tom.barthe+aurore@ens-paris-saclay.fr>
Date: Sat, 6 Mar 2021 00:45:43 +0100
Subject: [PATCH] Remove duplicate alerts from 'prometheus-federate'

---
 .../templates/prometheus/alert.rules.yml.j2   | 152 ++----------------
 1 file changed, 15 insertions(+), 137 deletions(-)

diff --git a/roles/prometheus_federate/templates/prometheus/alert.rules.yml.j2 b/roles/prometheus_federate/templates/prometheus/alert.rules.yml.j2
index f78df48..d30511f 100644
--- a/roles/prometheus_federate/templates/prometheus/alert.rules.yml.j2
+++ b/roles/prometheus_federate/templates/prometheus/alert.rules.yml.j2
@@ -1,138 +1,16 @@
-# {{ ansible_managed }}
-{# As this is also Jinja2 it will conflict without a raw block #}
-{# Depending of Prometheus Node exporter version, rules can change depending of version #}
-{% raw %}
+---
+{{ ansible_managed | comment }}
+
 groups:
-- name: alert.rules
-  rules:
-
-  # Alert for any instance that is unreachable for >3 minutes.
-  - alert: InstanceDown
-    expr: up == 0
-    for: 3m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Federate : {{ $labels.exported_instance }} est invisible depuis plus de 3 minutes !"
-
-  # Alert for out of memory
-  - alert: OutOfMemory
-    expr: (node_memory_MemFree_bytes + node_memory_Cached_bytes + node_memory_Buffers_bytes) / node_memory_MemTotal_bytes * 100 < 10
-    for: 5m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Federate : Mémoire libre de {{ $labels.exported_instance }} à {{ humanize $value }}%."
-
-  # Alert for out of disk space
-  - alert: OutOfDiskSpace
-    expr: node_filesystem_free_bytes{fstype="ext4"} / node_filesystem_size_bytes{fstype="ext4"} * 100 < 10
-    for: 5m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Espace libre de {{ $labels.mountpoint }} sur {{ $labels.exported_instance }} à {{ humanize $value }}%."
-
-  # Alert for out of inode space on disk
-  - alert: OutOfInodes
-    expr: node_filesystem_files_free{fstype="ext4"} / node_filesystem_files{fstype="ext4"} * 100 < 10
-    for: 5m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Federate : Presque plus d'inodes disponibles ({{ $value }}% restant) dans {{ $labels.mountpoint }} sur {{ $labels.exported_instance }}."
-
-  # Alert for high CPU usage
-  - alert: CpuUsage
-    expr: (100 - avg by (instance) (irate(node_cpu_seconds_total{mode="idle"}[5m])) * 100) > 75
-    for: 10m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Federate : CPU sur {{ $labels.exported_instance }} à {{ humanize $value }}%."
-
-  # Check systemd unit (> buster)
-  - alert: SystemdServiceFailed
-    expr: node_systemd_unit_state{state="failed"} == 1
-    for: 10m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Federate : {{ $labels.name }} a échoué sur {{ $labels.exported_instance }}"
-
-  # Check load of instance
-  - alert: LoadUsage
-    expr: node_load1 > 5
-    for: 2m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Federate : la charge de {{ $labels.exported_instance }} est à {{ $value }} !"
-
-  # Check UPS
-  - alert: UpsOutputSourceChanged
-    expr: upsOutputSource != 3
-    for: 1m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Federate : La source d'alimentation de {{ $labels.exported_instance }} a changé !"
-
-  - alert: UpsBatteryStatusWarning
-    expr: upsBatteryStatus == 3
-    for: 2m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Federate : L'état de la batterie de {{ $labels.exported_instance }} est faible !"
-
-  - alert: UpsBatteryStatusCritical
-    expr: upsBatteryStatus == 4
-    for: 10m
-    labels:
-      severity: warning
-    annotations:
-      summary: "L'état de la batterie de {{ $labels.exported_instance }} est affaibli !"
-
-  - alert: UpsHighLoad
-    expr: upsOutputPercentLoad > 70
-    for: 5m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Federate : La charge de {{ $labels.exported_instance }} est de {{ $value }}% !"
-
-  - alert: UpsWrongInputVoltage
-    expr: (upsInputVoltage < 210) or (upsInputVoltage > 250)
-    for: 10m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Federate : La tension d'entrée de {{ $labels.exported_instance }} est de {{ $value }}V."
-
-  - alert: UpsWrongOutputVoltage
-    expr: (upsOutputVoltage < 220) or (upsOutputVoltage > 240)
-    for: 10m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Federate : La tension de sortie de {{ $labels.exported_instance }} est de {{ $value }}V."
-
-  - alert: UpsTimeRemainingWarning
-    expr: upsEstimatedMinutesRemaining < 15
-    for: 1m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Federate : L'autonomie restante sur {{ $labels.exported_instance }} est de {{ $value }} min."
-
-  - alert: UpsTimeRemainingCritical
-    expr: upsEstimatedMinutesRemaining < 5
-    for: 1m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Federate : L'autonomie restante sur {{ $labels.exported_instance }} est de {{ $value }} min."
-
-
-{% endraw %}
+  - name: alert.rules
+    rules:
+      - alert: FederateInstanceDown
+        expr: up{job="federate"} == 0
+        for: 3m
+        labels:
+          severity: critical
+        annotations:
+          summary: >-
+            Federate : {{ "{{" }} $labels.instance {{ "}}" }} est invisible
+            depuis plus de 3 minutes !
+...