forked from k-space/kube
452 lines
19 KiB
YAML
452 lines
19 KiB
YAML
---
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apiVersion: monitoring.coreos.com/v1
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kind: Probe
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metadata:
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name: nodes-proxmox
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spec:
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scrapeTimeout: 30s
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targets:
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staticConfig:
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static:
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- nas.mgmt.k-space.ee:9100
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- pve1.proxmox.infra.k-space.ee:9100
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- pve8.proxmox.infra.k-space.ee:9100
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- pve9.proxmox.infra.k-space.ee:9100
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relabelingConfigs:
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- sourceLabels: [__param_target]
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targetLabel: instance
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- sourceLabels: [__param_target]
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targetLabel: __address__
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prober:
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url: localhost
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path: /metrics
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metricRelabelings:
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- sourceLabels: [__address__]
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targetLabel: target
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---
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apiVersion: monitoring.coreos.com/v1
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kind: Probe
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metadata:
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name: nodes-misc
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spec:
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targets:
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staticConfig:
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static:
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- sprucecone.infra.k-space.ee:9100
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- cedarcone.infra.k-space.ee:9100
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relabelingConfigs:
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- sourceLabels: [__param_target]
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targetLabel: instance
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- sourceLabels: [__param_target]
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targetLabel: __address__
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prober:
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url: localhost
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path: /metrics
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metricRelabelings:
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- sourceLabels: [__address__]
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targetLabel: target
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---
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apiVersion: monitoring.coreos.com/v1
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kind: PrometheusRule
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metadata:
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name: node-exporter
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spec:
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groups:
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- name: node-exporter
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rules:
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- alert: ZfsOfflinePool
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expr: node_zfs_zpool_state{state!="online"} > 0
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for: 1m
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labels:
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severity: critical
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annotations:
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summary: ZFS offline pool (instance {{ $labels.instance }})
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description: "A ZFS zpool is in a unexpected state: {{ $labels.state }}.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostHighLoad
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expr: sum(node_load1{}) by (instance) / count(node_cpu_seconds_total{mode="user"}) by (instance) > 2.5
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for: 15m
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labels:
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severity: warning
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annotations:
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summary: Host under high load
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description: Many processes are queued up for execution
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- alert: HostOutOfMemory
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expr: (node_memory_Cached_bytes + node_memory_Buffers_bytes + node_memory_MemFree_bytes ) / node_memory_MemTotal_bytes * 100 < 20
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host out of memory (instance {{ $labels.instance }})
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description: Node memory is filling up (< 10% left)
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- alert: HostMemoryUnderMemoryPressure
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expr: rate(node_vmstat_pgmajfault[1m]) > 1000
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host memory under memory pressure (instance {{ $labels.instance }})
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description: The node is under heavy memory pressure. High rate of major page faults
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- alert: HostUnusualNetworkThroughputIn
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expr: sum by (instance) (rate(node_network_receive_bytes_total[2m])) > 800e+06
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for: 1h
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labels:
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severity: warning
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annotations:
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summary: Host unusual network throughput in (instance {{ $labels.instance }})
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description: Host network interfaces are probably receiving too much data (> 800 MB/s)
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- alert: HostUnusualNetworkThroughputOut
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expr: sum by (instance) (rate(node_network_transmit_bytes_total[2m])) > 800e+06
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for: 1h
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labels:
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severity: warning
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annotations:
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summary: Host unusual network throughput out (instance {{ $labels.instance }})
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description: Host network interfaces are probably sending too much data (> 800 MB/s)
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- alert: HostUnusualDiskReadRate
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expr: sum by (instance) (rate(node_disk_read_bytes_total[2m])) > 500e+06
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for: 1h
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labels:
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severity: warning
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annotations:
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summary: Host unusual disk read rate (instance {{ $labels.instance }})
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description: Disk is probably reading too much data (> 500 MB/s)
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- alert: HostUnusualDiskWriteRate
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expr: sum by (instance) (rate(node_disk_written_bytes_total[2m])) > 500e+06
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for: 1h
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labels:
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severity: warning
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annotations:
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summary: Host unusual disk write rate (instance {{ $labels.instance }})
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description: Disk is probably writing too much data (> 500 MB/s)
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# Please add ignored mountpoints in node_exporter parameters like
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# "--collector.filesystem.ignored-mount-points=^/(sys|proc|dev|run)($|/)".
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# Same rule using "node_filesystem_free_bytes" will fire when disk fills for non-root users.
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- alert: HostOutOfDiskSpace
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expr: (node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host out of disk space (instance {{ $labels.instance }})
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description: Disk is almost full (< 10% left)
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# Please add ignored mountpoints in node_exporter parameters like
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# "--collector.filesystem.ignored-mount-points=^/(sys|proc|dev|run)($|/)".
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# Same rule using "node_filesystem_free_bytes" will fire when disk fills for non-root users.
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- alert: HostDiskWillFillIn24Hours
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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
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host disk will fill in 24 hours (instance {{ $labels.instance }})
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description: Filesystem is predicted to run out of space within the next 24 hours at current write rate
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- alert: HostOutOfInodes
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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
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host out of inodes (instance {{ $labels.instance }})
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description: Disk is almost running out of available inodes (< 10% left)
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- alert: HostInodesWillFillIn24Hours
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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
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host inodes will fill in 24 hours (instance {{ $labels.instance }})
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description: Filesystem is predicted to run out of inodes within the next 24 hours at current write rate
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- alert: HostUnusualDiskReadLatency
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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
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host unusual disk read latency (instance {{ $labels.instance }})
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description: Disk latency is growing (read operations > 100ms)
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- alert: HostUnusualDiskWriteLatency
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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
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host unusual disk write latency (instance {{ $labels.instance }})
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description: Disk latency is growing (write operations > 100ms)
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- alert: HostCpuStealNoisyNeighbor
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expr: avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Host CPU steal noisy neighbor (instance {{ $labels.instance }})
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description: CPU steal is > 10%. A noisy neighbor is killing VM performances or a spot instance may be out of credit.
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# 1000 context switches is an arbitrary number.
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# Alert threshold depends on nature of application.
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# Please read: https://github.com/samber/awesome-prometheus-alerts/issues/58
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- alert: HostContextSwitching
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expr: (rate(node_context_switches_total[5m])) / (count without(cpu, mode) (node_cpu_seconds_total{mode="idle"})) > 50000
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Host context switching (instance {{ $labels.instance }})
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description: Context switching is growing on node (> 50000 / s)
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- alert: HostSwapIsEnabled
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expr: node_memory_SwapTotal_bytes > 0
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Swap is discouraged nowadays
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- alert: HostPhysicalComponentTooHot
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expr: node_hwmon_temp_celsius > 75
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: Host physical component too hot (instance {{ $labels.instance }})
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description: Physical hardware component too hot
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- alert: HostNodeOvertemperatureAlarm
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expr: node_hwmon_temp_alarm == 1
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Host node overtemperature alarm (instance {{ $labels.instance }})
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description: Physical node temperature alarm triggered
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- alert: HostRaidArrayGotInactive
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expr: node_md_state{state="inactive"} > 0
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Host RAID array got inactive (instance {{ $labels.instance }})
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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.
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- alert: HostRaidDiskFailure
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expr: node_md_disks{state="failed"} > 0
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host RAID disk failure (instance {{ $labels.instance }})
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description: At least one device in RAID array on {{ $labels.instance }} failed. Array {{ $labels.md_device }} needs attention and possibly a disk swap
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- alert: HostOomKillDetected
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expr: increase(node_vmstat_oom_kill[1m]) > 0
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Host OOM kill detected (instance {{ $labels.instance }})
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description: OOM kill detected
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- alert: HostEdacCorrectableErrorsDetected
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expr: increase(node_edac_correctable_errors_total[1m]) > 0
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for: 0m
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labels:
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severity: info
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annotations:
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summary: Host EDAC Correctable Errors detected (instance {{ $labels.instance }})
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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 }}"
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- alert: HostEdacUncorrectableErrorsDetected
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expr: node_edac_uncorrectable_errors_total > 0
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Host EDAC Uncorrectable Errors detected (instance {{ $labels.instance }})
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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 }}"
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- alert: HostNetworkReceiveErrors
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expr: rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m]) > 0.01
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host Network Receive Errors (instance {{ $labels.instance }})
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description: "Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf \"%.0f\" $value }} receive errors in the last two minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostNetworkTransmitErrors
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expr: rate(node_network_transmit_errs_total[2m]) / rate(node_network_transmit_packets_total[2m]) > 0.01
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host Network Transmit Errors (instance {{ $labels.instance }})
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description: "Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf \"%.0f\" $value }} transmit errors in the last two minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostNetworkInterfaceSaturated
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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
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for: 1m
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labels:
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severity: warning
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annotations:
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summary: Host Network Interface Saturated (instance {{ $labels.instance }})
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description: "The network interface {{ $labels.interface }} on {{ $labels.instance }} is getting overloaded."
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- alert: HostNetworkBondDegraded
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expr: node_bonding_active != node_bonding_slaves {master=~"bond.*"}
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host Network Bond Degraded
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- alert: HostConntrackLimit
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expr: node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: Host conntrack limit (instance {{ $labels.instance }})
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description: The number of conntrack is approching limit
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- alert: HostClockSkew
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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)
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host clock skew (instance {{ $labels.instance }})
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description: Clock skew detected. Clock is out of sync.
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- alert: HostClockNotSynchronising
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expr: min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host clock not synchronising (instance {{ $labels.instance }})
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description: Clock not synchronising.
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---
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apiVersion: monitoring.coreos.com/v1
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kind: PrometheusRule
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metadata:
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name: smart
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spec:
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groups:
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- name: smart
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rules:
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- alert: SmartSSDWriteRateTooHigh
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expr: rate(smartmon_total_lbas_written_raw_value[72h]) * 512 > 10000000
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: SSD write rate exceeds 10MB/s
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description: At this rate the SSD will be worn out before warranty period expires
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---
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apiVersion: monitoring.coreos.com/v1
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kind: PrometheusRule
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metadata:
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name: temperatures
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spec:
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groups:
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- name: temperatures
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rules:
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- alert: HighDiskTemperature
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expr: smartmon_airflow_temperature_cel_raw_value > 45 or smartmon_temperature_celsius_raw_value > 45
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for: 10m
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labels:
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severity: critical
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annotations:
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summary: High HDD/SSD temperature indicates high ambient temperature
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- alert: HighChipsetTemperature
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expr: node_hwmon_temp_celsius > 65
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for: 10m
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labels:
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severity: warning
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annotations:
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summary: High chipset (CPU, NB) temperature indicates insufficient or failing fans
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- alert: LowDiskTemperature
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expr: smartmon_airflow_temperature_cel_raw_value < 10 or smartmon_temperature_celsius_raw_value < 10
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for: 10m
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labels:
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severity: critical
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annotations:
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summary: Low HDD/SSD temperature indicates low ambient temperature and stuck server room exhaust fan relay
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---
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apiVersion: monitoring.coreos.com/v1
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kind: PodMonitor
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metadata:
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name: node-exporter
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spec:
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selector:
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matchLabels:
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app: node-exporter
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podMetricsEndpoints:
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- port: web
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scrapeTimeout: 30s
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relabelings:
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- sourceLabels: [__meta_kubernetes_pod_node_name]
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targetLabel: node
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---
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: node-exporter
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---
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apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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labels:
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app: node-exporter
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name: node-exporter
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annotations:
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keel.sh/policy: force
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keel.sh/trigger: poll
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keel.sh/pollSchedule: "@midnight"
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spec:
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selector:
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matchLabels:
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app: node-exporter
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template:
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metadata:
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labels:
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app: node-exporter
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spec:
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containers:
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- name: node-exporter
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args:
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- --web.listen-address=0.0.0.0:9101
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- --path.sysfs=/host/sys
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- --path.rootfs=/host/root
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- --no-collector.wifi
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- --collector.filesystem.mount-points-exclude=^/(dev|proc|sys|var/lib/docker/.+|var/lib/kubelet/pods/.+)($|/)
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- --collector.netclass.ignored-devices=^(veth|cali|vxlan|cni|vnet|tap|lo|wg)
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- --collector.netdev.device-exclude=^(veth|cali|vxlan|cni|vnet|tap|lo|wg)
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- --collector.diskstats.ignored-devices=^(sr[0-9][0-9]*)$
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image: prom/node-exporter:v1.3.1
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resources:
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limits:
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cpu: 50m
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memory: 180Mi
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requests:
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cpu: 5m
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memory: 20Mi
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volumeMounts:
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- mountPath: /host/sys
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mountPropagation: HostToContainer
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name: sys
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readOnly: true
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- mountPath: /host/root
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mountPropagation: HostToContainer
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name: root
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readOnly: true
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ports:
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- containerPort: 9101
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name: web
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securityContext:
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runAsGroup: 65532
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runAsNonRoot: true
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runAsUser: 65532
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readOnlyRootFilesystem: true
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hostNetwork: true
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hostPID: true
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priorityClassName: system-node-critical
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securityContext:
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runAsNonRoot: true
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runAsUser: 65534
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serviceAccountName: node-exporter
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tolerations:
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- operator: Exists
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volumes:
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- hostPath:
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path: /sys
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name: sys
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- hostPath:
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path: /
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name: root
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