120 lines
3.3 KiB
YAML
120 lines
3.3 KiB
YAML
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: prom-config
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data:
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prom-config: |-
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global:
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scrape_interval: 15s
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scrape_configs:
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- job_name: mysql # To get metrics about the mysql exporter’s targets
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params:
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auth_module: [client]
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static_configs:
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- targets:
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# All mysql hostnames or unix sockets to monitor.
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- mysql-0.base.svc:3306
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- mysql-1.base.svc:3306
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- mysql-2.base.svc:3306
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- mysql-3.base.svc:3306
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relabel_configs:
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- source_labels: [__address__]
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target_label: __param_target
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- source_labels: [__param_target]
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target_label: instance
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- target_label: __address__
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replacement: mysqld-exporter.base.svc:9104
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rule_files:
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- /etc/prometheus/rules/rule-0.yaml
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alerting:
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alert_relabel_configs:
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alertmanagers:
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prom-rule-0: |-
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groups:
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- name: mysqld_rules
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rules:
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# Record slave lag seconds for pre-computed timeseries that takes
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# `mysql_slave_status_sql_delay` into account
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- record: instance:mysql_slave_lag_seconds
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expr: mysql_slave_status_seconds_behind_master - mysql_slave_status_sql_delay
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# Record slave lag via heartbeat method
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- record: instance:mysql_heartbeat_lag_seconds
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expr: mysql_heartbeat_now_timestamp_seconds - mysql_heartbeat_stored_timestamp_seconds
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- record: job:mysql_transactions:rate5m
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expr: sum without (command) (rate(mysql_global_status_commands_total{command=~"(commit|rollback)"}[5m]))
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---
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: prometheus
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spec:
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replicas: 1
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serviceName: mysql
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selector:
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matchLabels:
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app: prometheus
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template:
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metadata:
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labels:
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app: prometheus
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spec:
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containers:
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- name: prometheus
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image: prom/prometheus:v2.51.2
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args:
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- --config.file=/etc/prometheus/prometheus.yaml
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- --storage.tsdb.path=/etc/prometheus/data
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- --storage.tsdb.retention.time=15d
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volumeMounts:
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- name: prometheus
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mountPath: /etc/prometheus/data
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- name: prom-config
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mountPath: /etc/prometheus/prometheus.yaml
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subPath: prometheus.yaml
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readOnly: true
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- name: prom-config
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mountPath: /etc/prometheus/rules/rule-0.yaml
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subPath: rule-0.yaml
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readOnly: true
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volumes:
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- name: prometheus
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hostPath:
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path: /data/prometheus/data
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- name: prom-config
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configMap:
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name: prom-config
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items:
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- key: prom-config
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path: prometheus.yaml
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- key: prom-rule-0
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path: rule-0.yaml
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affinity:
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nodeAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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nodeSelectorTerms:
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- matchExpressions:
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- key: "kubernetes.io/hostname"
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operator: In
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values:
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- bfs-k8snode-10-2-2-7.hetzner.base.beaconfireinc.com
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: prometheus
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labels:
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app: prometheus
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spec:
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ports:
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- protocol: TCP
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port: 9090
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targetPort: 9090
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selector:
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app: prometheus
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type: ClusterIP
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