From 94f56133bb0035fe85ee9e58d573eb4485e9fa42 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Wed, 2 Jun 2021 00:46:12 +0200
Subject: prometheus: initial serverside config

---
 roles/monitoring/prometheus/server/defaults/main.yml | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'roles/monitoring/prometheus/server/defaults/main.yml')

diff --git a/roles/monitoring/prometheus/server/defaults/main.yml b/roles/monitoring/prometheus/server/defaults/main.yml
index b5d13b5d..ab08a2ff 100644
--- a/roles/monitoring/prometheus/server/defaults/main.yml
+++ b/roles/monitoring/prometheus/server/defaults/main.yml
@@ -4,3 +4,6 @@
 #   ...
 
 prometheus_server_retention: "15d"
+
+prometheus_server_jobs:
+  - node
-- 
cgit v1.2.3


From 1a40395d35db76e1482bc32fb7a97e6a60c4b1dc Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Mon, 21 Jun 2021 00:23:51 +0200
Subject: promethues: initial support for alert rules

---
 .../monitoring/prometheus/server/defaults/main.yml |   9 -
 .../prometheus/server/defaults/main/main.yml       |  13 ++
 .../prometheus/server/defaults/main/rules_node.yml | 219 +++++++++++++++++++++
 .../server/defaults/main/rules_prometheus.yml      | 192 ++++++++++++++++++
 roles/monitoring/prometheus/server/tasks/main.yml  |  39 ++--
 .../prometheus/server/templates/rules.yml.j2       |   5 +
 6 files changed, 453 insertions(+), 24 deletions(-)
 delete mode 100644 roles/monitoring/prometheus/server/defaults/main.yml
 create mode 100644 roles/monitoring/prometheus/server/defaults/main/main.yml
 create mode 100644 roles/monitoring/prometheus/server/defaults/main/rules_node.yml
 create mode 100644 roles/monitoring/prometheus/server/defaults/main/rules_prometheus.yml
 create mode 100644 roles/monitoring/prometheus/server/templates/rules.yml.j2

(limited to 'roles/monitoring/prometheus/server/defaults/main.yml')

diff --git a/roles/monitoring/prometheus/server/defaults/main.yml b/roles/monitoring/prometheus/server/defaults/main.yml
deleted file mode 100644
index ab08a2ff..00000000
--- a/roles/monitoring/prometheus/server/defaults/main.yml
+++ /dev/null
@@ -1,9 +0,0 @@
----
-# prometheus_server_storage:
-#   type: (zfs|lvm)
-#   ...
-
-prometheus_server_retention: "15d"
-
-prometheus_server_jobs:
-  - node
diff --git a/roles/monitoring/prometheus/server/defaults/main/main.yml b/roles/monitoring/prometheus/server/defaults/main/main.yml
new file mode 100644
index 00000000..b10d6f17
--- /dev/null
+++ b/roles/monitoring/prometheus/server/defaults/main/main.yml
@@ -0,0 +1,13 @@
+---
+# prometheus_server_storage:
+#   type: (zfs|lvm)
+#   ...
+
+prometheus_server_retention: "15d"
+
+prometheus_server_jobs:
+  - node
+
+prometheus_server_rules:
+  prometheus: "{{ prometheus_server_rules_prometheus + prometheus_server_rules_prometheus_extra }}"
+  node: "{{ prometheus_server_rules_node + prometheus_server_rules_prometheus_extra }}"
diff --git a/roles/monitoring/prometheus/server/defaults/main/rules_node.yml b/roles/monitoring/prometheus/server/defaults/main/rules_node.yml
new file mode 100644
index 00000000..ab7317ac
--- /dev/null
+++ b/roles/monitoring/prometheus/server/defaults/main/rules_node.yml
@@ -0,0 +1,219 @@
+---
+## https://awesome-prometheus-alerts.grep.to/rules#host-and-hardware
+prometheus_server_rules_node_extra: []
+prometheus_server_rules_node:
+  - alert: HostOutOfMemory
+    expr: node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 < 10
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host out of memory (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Node memory is filling up (< 10% left)\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostMemoryUnderMemoryPressure
+    expr: rate(node_vmstat_pgmajfault[1m]) > 1000
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host memory under memory pressure (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "The node is under heavy memory pressure. High rate of major page faults\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostOutOfDiskSpace
+    expr: (node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host out of disk space (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Disk is almost full (< 10% left)\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostDiskWillFillIn24Hours
+    expr: (node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) predict_linear(node_filesystem_avail_bytes{fstype!~"tmpfs"}[1h], 24 * 3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly == 0
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host disk will fill in 24 hours (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Filesystem is predicted to run out of space within the next 24 hours at current write rate\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostOutOfInodes
+    expr: node_filesystem_files_free{mountpoint ="/rootfs"} / node_filesystem_files{mountpoint="/rootfs"} * 100 < 10 and ON (instance, device, mountpoint) node_filesystem_readonly{mountpoint="/rootfs"} == 0
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host out of inodes (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Disk is almost running out of available inodes (< 10% left)\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostInodesWillFillIn24Hours
+    expr: node_filesystem_files_free{mountpoint ="/rootfs"} / node_filesystem_files{mountpoint="/rootfs"} * 100 < 10 and predict_linear(node_filesystem_files_free{mountpoint="/rootfs"}[1h], 24 * 3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly{mountpoint="/rootfs"} == 0
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host inodes will fill in 24 hours (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Filesystem is predicted to run out of inodes within the next 24 hours at current write rate\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostUnusualDiskReadLatency
+    expr: rate(node_disk_read_time_seconds_total[1m]) / rate(node_disk_reads_completed_total[1m]) > 0.1 and rate(node_disk_reads_completed_total[1m]) > 0
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host unusual disk read latency (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Disk latency is growing (read operations > 100ms)\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostUnusualDiskWriteLatency
+    expr: rate(node_disk_write_time_seconds_total[1m]) / rate(node_disk_writes_completed_total[1m]) > 0.1 and rate(node_disk_writes_completed_total[1m]) > 0
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host unusual disk write latency (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Disk latency is growing (write operations > 100ms)\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostHighCpuLoad
+    expr: 100 - (avg by(instance) (rate(node_cpu_seconds_total{mode="idle"}[2m])) * 100) > 80
+    for: 0m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host high CPU load (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "CPU load is > 80%\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostCpuStealNoisyNeighbor
+    expr: avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10
+    for: 0m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host CPU steal noisy neighbor (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "CPU steal is > 10%. A noisy neighbor is killing VM performances or a spot instance may be out of credit.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostSystemdServiceCrashed
+    expr: node_systemd_unit_state{state="failed"} == 1
+    for: 0m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host systemd service crashed (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "systemd service crashed\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostPhysicalComponentTooHot
+    expr: node_hwmon_temp_celsius > 75
+    for: 5m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host physical component too hot (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Physical hardware component too hot\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostNodeOvertemperatureAlarm
+    expr: node_hwmon_temp_crit_alarm_celsius == 1
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      summary: Host node overtemperature alarm (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Physical node temperature alarm triggered\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostRaidArrayGotInactive
+    expr: node_md_state{state="inactive"} > 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      summary: Host RAID array got inactive (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "RAID array {{ '{{' }} $labels.device {{ '}}' }} is in degraded state due to one or more disks failures. Number of spare drives is insufficient to fix issue automatically.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostRaidDiskFailure
+    expr: node_md_disks{state="failed"} > 0
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host RAID disk failure (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "At least one device in RAID array on {{ '{{' }} $labels.instance {{ '}}' }} failed. Array {{ '{{' }} $labels.md_device {{ '}}' }} needs attention and possibly a disk swap\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostOomKillDetected
+    expr: increase(node_vmstat_oom_kill[1m]) > 0
+    for: 0m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host OOM kill detected (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "OOM kill detected\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostEdacCorrectableErrorsDetected
+    expr: increase(node_edac_correctable_errors_total[1m]) > 0
+    for: 0m
+    labels:
+      severity: info
+    annotations:
+      summary: Host EDAC Correctable Errors detected (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Host {{ '{{' }} $labels.instance {{ '}}' }} has had {{ '{{' }} printf \"%.0f\" $value {{ '}}' }} correctable memory errors reported by EDAC in the last 5 minutes.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostEdacUncorrectableErrorsDetected
+    expr: node_edac_uncorrectable_errors_total > 0
+    for: 0m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host EDAC Uncorrectable Errors detected (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Host {{ '{{' }} $labels.instance {{ '}}' }} has had {{ '{{' }} printf \"%.0f\" $value {{ '}}' }} uncorrectable memory errors reported by EDAC in the last 5 minutes.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostNetworkReceiveErrors
+    expr: rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m]) > 0.01
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host Network Receive Errors (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Host {{ '{{' }} $labels.instance {{ '}}' }} interface {{ '{{' }} $labels.device {{ '}}' }} has encountered {{ '{{' }} printf \"%.0f\" $value {{ '}}' }} receive errors in the last five minutes.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostNetworkTransmitErrors
+    expr: rate(node_network_transmit_errs_total[2m]) / rate(node_network_transmit_packets_total[2m]) > 0.01
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host Network Transmit Errors (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Host {{ '{{' }} $labels.instance {{ '}}' }} interface {{ '{{' }} $labels.device {{ '}}' }} has encountered {{ '{{' }} printf \"%.0f\" $value {{ '}}' }} transmit errors in the last five minutes.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostNetworkInterfaceSaturated
+    expr: (rate(node_network_receive_bytes_total{device!~"^tap.*"}[1m]) + rate(node_network_transmit_bytes_total{device!~"^tap.*"}[1m])) / node_network_speed_bytes{device!~"^tap.*"} > 0.8
+    for: 1m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host Network Interface Saturated (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "The network interface \"{{ '{{' }} $labels.interface {{ '}}' }}\" on \"{{ '{{' }} $labels.instance {{ '}}' }}\" is getting overloaded.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostConntrackLimit
+    expr: node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8
+    for: 5m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host conntrack limit (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "The number of conntrack is approching limit\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostClockSkew
+    expr: (node_timex_offset_seconds > 0.05 and deriv(node_timex_offset_seconds[5m]) >= 0) or (node_timex_offset_seconds < -0.05 and deriv(node_timex_offset_seconds[5m]) <= 0)
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host clock skew (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Clock skew detected. Clock is out of sync.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: HostClockNotSynchronising
+    expr: min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host clock not synchronising (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Clock not synchronising.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
diff --git a/roles/monitoring/prometheus/server/defaults/main/rules_prometheus.yml b/roles/monitoring/prometheus/server/defaults/main/rules_prometheus.yml
new file mode 100644
index 00000000..6d84efa4
--- /dev/null
+++ b/roles/monitoring/prometheus/server/defaults/main/rules_prometheus.yml
@@ -0,0 +1,192 @@
+---
+## https://awesome-prometheus-alerts.grep.to/rules#prometheus-self-monitoring
+prometheus_server_rules_prometheus_extra: []
+prometheus_server_rules_prometheus:
+  - alert: PrometheusJobMissing
+    expr: absent(up{job="prometheus"})
+    for: 0m
+    labels:
+      severity: warning
+    annotations:
+      summary: Prometheus job missing (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "A Prometheus job has disappeared\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusJobMissing
+    expr: absent(up{job="prometheus"})
+    for: 0m
+    labels:
+      severity: warning
+    annotations:
+      summary: Prometheus job missing (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "A Prometheus job has disappeared\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusTargetMissing
+    expr: up == 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      summary: Prometheus target missing (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "A Prometheus target has disappeared. An exporter might be crashed.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusAllTargetsMissing
+    expr: count by (job) (up) == 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      summary: Prometheus all targets missing (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "A Prometheus job does not have living target anymore.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusConfigurationReloadFailure
+    expr: prometheus_config_last_reload_successful != 1
+    for: 0m
+    labels:
+      severity: warning
+    annotations:
+      summary: Prometheus configuration reload failure (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus configuration reload error\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusTooManyRestarts
+    expr: changes(process_start_time_seconds{job=~"prometheus|pushgateway|alertmanager"}[15m]) > 2
+    for: 0m
+    labels:
+      severity: warning
+    annotations:
+      summary: Prometheus too many restarts (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus has restarted more than twice in the last 15 minutes. It might be crashlooping.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusRuleEvaluationFailures
+    expr: increase(prometheus_rule_evaluation_failures_total[3m]) > 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      summary: Prometheus rule evaluation failures (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus encountered {{ '{{' }} $value {{ '}}' }} rule evaluation failures, leading to potentially ignored alerts.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusTemplateTextExpansionFailures
+    expr: increase(prometheus_template_text_expansion_failures_total[3m]) > 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      summary: Prometheus template text expansion failures (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus encountered {{ '{{' }} $value {{ '}}' }} template text expansion failures\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusRuleEvaluationSlow
+    expr: prometheus_rule_group_last_duration_seconds > prometheus_rule_group_interval_seconds
+    for: 5m
+    labels:
+      severity: warning
+    annotations:
+      summary: Prometheus rule evaluation slow (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus rule evaluation took more time than the scheduled interval. It indicates a slower storage backend access or too complex query.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusNotificationsBacklog
+    expr: min_over_time(prometheus_notifications_queue_length[10m]) > 0
+    for: 0m
+    labels:
+      severity: warning
+    annotations:
+      summary: Prometheus notifications backlog (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "The Prometheus notification queue has not been empty for 10 minutes\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusTargetEmpty
+    expr: prometheus_sd_discovered_targets == 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      summary: Prometheus target empty (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus has no target in service discovery\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusTargetScrapingSlow
+    expr: prometheus_target_interval_length_seconds{quantile="0.9"} > 60
+    for: 5m
+    labels:
+      severity: warning
+    annotations:
+      summary: Prometheus target scraping slow (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus is scraping exporters slowly\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusLargeScrape
+    expr: increase(prometheus_target_scrapes_exceeded_sample_limit_total[10m]) > 10
+    for: 5m
+    labels:
+      severity: warning
+    annotations:
+      summary: Prometheus large scrape (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus has many scrapes that exceed the sample limit\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusTargetScrapeDuplicate
+    expr: increase(prometheus_target_scrapes_sample_duplicate_timestamp_total[5m]) > 0
+    for: 0m
+    labels:
+      severity: warning
+    annotations:
+      summary: Prometheus target scrape duplicate (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus has many samples rejected due to duplicate timestamps but different values\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusTsdbCheckpointCreationFailures
+    expr: increase(prometheus_tsdb_checkpoint_creations_failed_total[1m]) > 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      summary: Prometheus TSDB checkpoint creation failures (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus encountered {{ '{{' }} $value {{ '}}' }} checkpoint creation failures\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusTsdbCheckpointDeletionFailures
+    expr: increase(prometheus_tsdb_checkpoint_deletions_failed_total[1m]) > 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      summary: Prometheus TSDB checkpoint deletion failures (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus encountered {{ '{{' }} $value {{ '}}' }} checkpoint deletion failures\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusTsdbCompactionsFailed
+    expr: increase(prometheus_tsdb_compactions_failed_total[1m]) > 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      summary: Prometheus TSDB compactions failed (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus encountered {{ '{{' }} $value {{ '}}' }} TSDB compactions failures\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusTsdbHeadTruncationsFailed
+    expr: increase(prometheus_tsdb_head_truncations_failed_total[1m]) > 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      summary: Prometheus TSDB head truncations failed (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus encountered {{ '{{' }} $value {{ '}}' }} TSDB head truncation failures\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusTsdbReloadFailures
+    expr: increase(prometheus_tsdb_reloads_failures_total[1m]) > 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      summary: Prometheus TSDB reload failures (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus encountered {{ '{{' }} $value {{ '}}' }} TSDB reload failures\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusTsdbWalCorruptions
+    expr: increase(prometheus_tsdb_wal_corruptions_total[1m]) > 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      summary: Prometheus TSDB WAL corruptions (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus encountered {{ '{{' }} $value {{ '}}' }} TSDB WAL corruptions\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
+
+  - alert: PrometheusTsdbWalTruncationsFailed
+    expr: increase(prometheus_tsdb_wal_truncations_failed_total[1m]) > 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      summary: Prometheus TSDB WAL truncations failed (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "Prometheus encountered {{ '{{' }} $value {{ '}}' }} TSDB WAL truncation failures\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
diff --git a/roles/monitoring/prometheus/server/tasks/main.yml b/roles/monitoring/prometheus/server/tasks/main.yml
index 44f0800e..a70bd6fd 100644
--- a/roles/monitoring/prometheus/server/tasks/main.yml
+++ b/roles/monitoring/prometheus/server/tasks/main.yml
@@ -18,21 +18,6 @@
     name: prom-server
     state: present
 
-- name: create configuration directories
-  loop:
-  - jobs
-  - rules
-  - targets
-  file:
-    path: "/etc/prometheus/{{ item }}"
-    state: directory
-
-- name: create sub-directroy for all exporter types in jobs directory
-  loop: "{{ prometheus_server_jobs }}"
-  file:
-    path: "/etc/prometheus/jobs/{{ item }}"
-    state: directory
-
 - name: add user for server
   user:
     name: prometheus
@@ -50,6 +35,21 @@
 - name: create TLS CA and certificates
   import_tasks: tls.yml
 
+- name: create configuration directories
+  loop:
+  - jobs
+  - rules
+  - targets
+  file:
+    path: "/etc/prometheus/{{ item }}"
+    state: directory
+
+- name: create sub-directroy for all exporter types in jobs directory
+  loop: "{{ prometheus_server_jobs }}"
+  file:
+    path: "/etc/prometheus/jobs/{{ item }}"
+    state: directory
+
 - name: generate targets config
   loop: "{{ prometheus_zone_targets }}"
   copy:
@@ -68,10 +68,19 @@
     path: "/etc/prometheus/jobs/{{ item.job }}/{{ item.target }}.yml"
     state: "{{ item.enabled | ternary('link', 'absent') }}"
 
+- name: generate rules files for all jobs
+  loop: "{{ prometheus_server_jobs | union(['prometheus']) }}"
+  template:
+    src: rules.yml.j2
+    dest: "/etc/prometheus/rules/{{ item }}.yml"
+    validate: "promtool check rules %s"
+  notify: reload prometheus
+
 - name: generate configuration file
   template:
     src: prometheus.yml.j2
     dest: /etc/prometheus/prometheus.yml
+    validate: "promtool check config %s"
   notify: reload prometheus
 
 - name: generate systemd service unit
diff --git a/roles/monitoring/prometheus/server/templates/rules.yml.j2 b/roles/monitoring/prometheus/server/templates/rules.yml.j2
new file mode 100644
index 00000000..30576363
--- /dev/null
+++ b/roles/monitoring/prometheus/server/templates/rules.yml.j2
@@ -0,0 +1,5 @@
+# {{ ansible_managed }}
+
+groups:
+  - name: {{ item }}
+    {{ {'rules': prometheus_server_rules[item]} | to_nice_yaml(indent=2, width=1337) | indent(4) }}
-- 
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