From 6e48cba2a5f2811fad10de63db9345d4d670632f Mon Sep 17 00:00:00 2001 From: samber Date: Tue, 2 Jul 2024 17:34:29 +0000 Subject: [PATCH] Publish --- .../rules/host-and-hardware/node-exporter.yml | 156 ++++++++---------- 1 file changed, 69 insertions(+), 87 deletions(-) diff --git a/dist/rules/host-and-hardware/node-exporter.yml b/dist/rules/host-and-hardware/node-exporter.yml index 0d80c16..301ae91 100644 --- a/dist/rules/host-and-hardware/node-exporter.yml +++ b/dist/rules/host-and-hardware/node-exporter.yml @@ -5,7 +5,7 @@ groups: rules: - alert: HostOutOfMemory - expr: '(node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 < 10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '(node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes < .10)' for: 2m labels: severity: warning @@ -14,97 +14,88 @@ groups: description: "Node memory is filling up (< 10% left)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostMemoryUnderMemoryPressure - expr: '(rate(node_vmstat_pgmajfault[1m]) > 1000) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' - for: 2m + expr: '(rate(node_vmstat_pgmajfault[5m]) > 1000)' + for: 0m 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 }}" + description: "The node is under heavy memory pressure. High rate of loading memory pages from disk.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostMemoryIsUnderutilized - expr: '(100 - (avg_over_time(node_memory_MemAvailable_bytes[30m]) / node_memory_MemTotal_bytes * 100) < 20) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' - for: 1w + expr: 'min_over_time(node_memory_MemFree_bytes[1w]) > node_memory_MemTotal_bytes * .8' + for: 0m labels: severity: info annotations: summary: Host Memory is underutilized (instance {{ $labels.instance }}) - description: "Node memory is < 20% for 1 week. Consider reducing memory space. (instance {{ $labels.instance }})\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" + description: "Node memory usage is < 20% for 1 week. Consider reducing memory space. (instance {{ $labels.instance }})\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostUnusualNetworkThroughputIn - expr: '(sum by (instance) (rate(node_network_receive_bytes_total[2m])) / 1024 / 1024 > 100) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' - for: 5m + expr: '((rate(node_network_receive_bytes_total[5m]) / on(instance, device) node_network_speed_bytes) > .80)' + for: 0m labels: severity: warning annotations: summary: Host unusual network throughput in (instance {{ $labels.instance }}) - description: "Host network interfaces are probably receiving too much data (> 100 MB/s)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" + description: "Host receive bandwidth is high (>80%)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostUnusualNetworkThroughputOut - expr: '(sum by (instance) (rate(node_network_transmit_bytes_total[2m])) / 1024 / 1024 > 100) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' - for: 5m + expr: '((rate(node_network_transmit_bytes_total[5m]) / on(instance, device) node_network_speed_bytes) > .80)' + for: 0m labels: severity: warning annotations: summary: Host unusual network throughput out (instance {{ $labels.instance }}) - description: "Host network interfaces are probably sending too much data (> 100 MB/s)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" + description: "Host transmit bandwidth is high (>80%)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostUnusualDiskReadRate - expr: '(sum by (instance) (rate(node_disk_read_bytes_total[2m])) / 1024 / 1024 > 50) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' - for: 5m + expr: '(rate(node_disk_io_time_seconds_total[5m]) > .80)' + for: 0m labels: severity: warning annotations: summary: Host unusual disk read rate (instance {{ $labels.instance }}) - description: "Disk is probably reading too much data (> 50 MB/s)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: HostUnusualDiskWriteRate - expr: '(sum by (instance) (rate(node_disk_written_bytes_total[2m])) / 1024 / 1024 > 50) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' - for: 2m - labels: - severity: warning - annotations: - summary: Host unusual disk write rate (instance {{ $labels.instance }}) - description: "Disk is probably writing too much data (> 50 MB/s)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" + description: "Disk is too busy (IO wait > 80%)\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) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '(node_filesystem_avail_bytes{fstype!~"^(fuse.*|tmpfs|cifs|nfs)"} / node_filesystem_size_bytes < .10 and on (instance, device, mountpoint) node_filesystem_readonly == 0)' for: 2m labels: - severity: warning + severity: critical 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) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + - alert: HostDiskMayFillIn24Hours + expr: 'predict_linear(node_filesystem_avail_bytes{fstype!~"^(fuse.*|tmpfs|cifs|nfs)"}[1h], 86400) <= 0 and node_filesystem_avail_bytes > 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 }}" + summary: Host disk may fill in 24 hours (instance {{ $labels.instance }}) + description: "Filesystem will likely run out of space within the next 24 hours\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostOutOfInodes - expr: '(node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"} * 100 < 10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '(node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"} < .10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0)' for: 2m labels: - severity: warning + severity: critical 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: HostFilesystemDeviceError - expr: 'node_filesystem_device_error == 1' + expr: 'node_filesystem_device_error{fstype!~"^(fuse.*|tmpfs|cifs|nfs)"} == 1' for: 2m labels: severity: critical annotations: summary: Host filesystem device error (instance {{ $labels.instance }}) - description: "{{ $labels.instance }}: Device error with the {{ $labels.mountpoint }} filesystem\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" + description: "Error stat-ing the {{ $labels.mountpoint }} filesystem\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostInodesWillFillIn24Hours - expr: '(node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"} * 100 < 10 and predict_linear(node_filesystem_files_free{fstype!="msdosfs"}[1h], 24 * 3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly{fstype!="msdosfs"} == 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: 'predict_linear(node_filesystem_files_free{fstype!~"^(fuse.*|tmpfs|cifs|nfs)"}[1h], 86400) <= 0 and node_filesystem_files_free > 0' for: 2m labels: severity: warning @@ -113,7 +104,7 @@ groups: 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) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + 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 @@ -122,7 +113,7 @@ groups: 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) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + 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 @@ -131,7 +122,7 @@ groups: description: "Disk latency is growing (write operations > 100ms)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostHighCpuLoad - expr: '(sum by (instance) (avg by (mode, instance) (rate(node_cpu_seconds_total{mode!="idle"}[2m]))) > 0.8) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '(avg by (instance) (rate(node_cpu_seconds_total{mode!="idle"}[2m]))) > .80' for: 10m labels: severity: warning @@ -140,16 +131,16 @@ groups: description: "CPU load is > 80%\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostCpuIsUnderutilized - expr: '(100 - (rate(node_cpu_seconds_total{mode="idle"}[30m]) * 100) < 20) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '(min by (instance) (rate(node_cpu_seconds_total{mode="idle"}[1h]))) > 0.8' for: 1w labels: severity: info annotations: summary: Host CPU is underutilized (instance {{ $labels.instance }}) - description: "CPU load is < 20% for 1 week. Consider reducing the number of CPUs.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" + description: "CPU load has been < 20% for 1 week. Consider reducing the number of CPUs.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostCpuStealNoisyNeighbor - expr: '(avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: 'avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10' for: 0m labels: severity: warning @@ -158,22 +149,22 @@ groups: 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: HostCpuHighIowait - expr: '(avg by (instance) (rate(node_cpu_seconds_total{mode="iowait"}[5m])) * 100 > 10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: 'avg by (instance) (rate(node_cpu_seconds_total{mode="iowait"}[5m])) > .10' for: 0m labels: severity: warning annotations: summary: Host CPU high iowait (instance {{ $labels.instance }}) - description: "CPU iowait > 10%. A high iowait means that you are disk or network bound.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" + description: "CPU iowait > 10%. Your CPU is idling waiting for storage to respond.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostUnusualDiskIo - expr: '(rate(node_disk_io_time_seconds_total[1m]) > 0.5) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: 'rate(node_disk_io_time_seconds_total[5m]) > 0.8' for: 5m labels: severity: warning annotations: summary: Host unusual disk IO (instance {{ $labels.instance }}) - description: "Time spent in IO is too high on {{ $labels.instance }}. Check storage for issues.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" + description: "Disk usage >80%. Check storage for issues or increase IOPS capabilities.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostContextSwitchingHigh expr: '(rate(node_context_switches_total[15m])/count without(mode,cpu) (node_cpu_seconds_total{mode="idle"})) @@ -188,7 +179,7 @@ groups: description: "Context switching is growing on the node (twice the daily average during the last 15m)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostSwapIsFillingUp - expr: '((1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '((1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80)' for: 2m labels: severity: warning @@ -197,7 +188,7 @@ groups: description: "Swap is filling up (>80%)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostSystemdServiceCrashed - expr: '(node_systemd_unit_state{state="failed"} == 1) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '(node_systemd_unit_state{state="failed"} == 1)' for: 0m labels: severity: warning @@ -206,7 +197,7 @@ groups: description: "systemd service crashed\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostPhysicalComponentTooHot - expr: '((node_hwmon_temp_celsius * ignoring(label) group_left(instance, job, node, sensor) node_hwmon_sensor_label{label!="tctl"} > 75)) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: 'node_hwmon_temp_celsius > node_hwmon_temp_max_celsius' for: 5m labels: severity: warning @@ -215,7 +206,7 @@ groups: description: "Physical hardware component too hot\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostNodeOvertemperatureAlarm - expr: '(node_hwmon_temp_crit_alarm_celsius == 1) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: 'node_hwmon_temp_crit_alarm_celsius == 1 or node_hwmon_temp_alarm == 1' for: 0m labels: severity: critical @@ -223,44 +214,44 @@ groups: 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) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + - alert: HostSoftwareRaidInsufficientDrives + expr: '((node_md_disks_required - on(device, instance) node_md_disks{state="active"}) > 0)' for: 0m labels: severity: critical annotations: - summary: Host RAID array got inactive (instance {{ $labels.instance }}) - description: "RAID array {{ $labels.device }} is in a degraded state due to one or more disk failures. The number of spare drives is insufficient to fix the issue automatically.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" + summary: Host Software RAID insufficient drives (instance {{ $labels.instance }}) + description: "MD RAID array {{ $labels.device }} on {{ $labels.instance }} has insufficient drives remaining.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - alert: HostRaidDiskFailure - expr: '(node_md_disks{state="failed"} > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + - alert: HostSoftwareRaidDiskFailure + 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 }}" + summary: Host Software RAID disk failure (instance {{ $labels.instance }}) + description: "MD RAID array {{ $labels.device }} on {{ $labels.instance }} needs attention.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostKernelVersionDeviations - expr: '(count(sum(label_replace(node_uname_info, "kernel", "$1", "release", "([0-9]+.[0-9]+.[0-9]+).*")) by (kernel)) > 1) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' - for: 6h - labels: - severity: warning - annotations: - summary: Host kernel version deviations (instance {{ $labels.instance }}) - description: "Different kernel versions are running\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - - alert: HostOomKillDetected - expr: '(increase(node_vmstat_oom_kill[1m]) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: 'changes(node_uname_info[1h]) > 0' for: 0m labels: - severity: warning + severity: info + annotations: + summary: Host kernel version deviations (instance {{ $labels.instance }}) + description: "Kernel version for {{ $labels.instance }} has changed\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" + + - alert: HostOomKillDetected + expr: '(increase(node_vmstat_oom_kill[1m]) > 0)' + for: 0m + labels: + severity: critical 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) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '(increase(node_edac_correctable_errors_total[1m]) > 0)' for: 0m labels: severity: info @@ -269,7 +260,7 @@ groups: 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) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '(node_edac_uncorrectable_errors_total > 0)' for: 0m labels: severity: warning @@ -278,7 +269,7 @@ groups: 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) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '(rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m]) > 0.01)' for: 2m labels: severity: warning @@ -287,7 +278,7 @@ groups: 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 }}" - alert: HostNetworkTransmitErrors - expr: '(rate(node_network_transmit_errs_total[2m]) / rate(node_network_transmit_packets_total[2m]) > 0.01) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '(rate(node_network_transmit_errs_total[2m]) / rate(node_network_transmit_packets_total[2m]) > 0.01)' for: 2m labels: severity: warning @@ -295,17 +286,8 @@ groups: 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 two minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - alert: HostNetworkInterfaceSaturated - expr: '((rate(node_network_receive_bytes_total{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"}[1m]) + rate(node_network_transmit_bytes_total{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"}[1m])) / node_network_speed_bytes{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"} > 0.8 < 10000) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' - for: 1m - labels: - severity: warning - annotations: - summary: Host Network Interface Saturated (instance {{ $labels.instance }}) - description: "The network interface \"{{ $labels.device }}\" on \"{{ $labels.instance }}\" is getting overloaded.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - - alert: HostNetworkBondDegraded - expr: '((node_bonding_active - node_bonding_slaves) != 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '((node_bonding_active - node_bonding_slaves) != 0)' for: 2m labels: severity: warning @@ -314,7 +296,7 @@ groups: description: "Bond \"{{ $labels.device }}\" degraded on \"{{ $labels.instance }}\".\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostConntrackLimit - expr: '(node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '(node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8)' for: 5m labels: severity: warning @@ -323,7 +305,7 @@ groups: description: "The number of conntrack is approaching 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)) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + 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: 10m labels: severity: warning @@ -332,7 +314,7 @@ groups: description: "Clock skew detected. Clock is out of sync. Ensure NTP is configured correctly on this host.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostClockNotSynchronising - expr: '(min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '(min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16)' for: 2m labels: severity: warning @@ -341,7 +323,7 @@ groups: description: "Clock not synchronising. Ensure NTP is configured on this host.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: HostRequiresReboot - expr: '(node_reboot_required > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' + expr: '(node_reboot_required > 0)' for: 4h labels: severity: info