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@@ -0,0 +1,223 @@
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+---
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+prometheus_version: 2.37.0 # LTS
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+prometheus_binary_local_dir: '' # default /usr/local/bin
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+prometheus_skip_install: false
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+
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+prometheus_config_dir: /etc/prometheus
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+prometheus_db_dir: /var/lib/prometheus
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+prometheus_read_only_dirs: []
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+
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+prometheus_web_listen_address: "0.0.0.0:9090"
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+prometheus_web_external_url: ''
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+# See https://github.com/prometheus/exporter-toolkit/blob/master/docs/web-configuration.md
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+
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+prometheus_storage_retention: "30d"
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+# Available since Prometheus 2.7.0
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+# [EXPERIMENTAL] Maximum number of bytes that can be stored for blocks. Units
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+# supported: KB, MB, GB, TB, PB.
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+prometheus_storage_retention_size: "0"
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+
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+# Alternative config file name, searched in ansible templates path.
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+prometheus_config_file: 'prometheus.yml.j2'
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+
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+prometheus_targets: "{{ all_targets }}"
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+
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+prometheus_alertmanager_config:
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+ - static_configs:
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+ - targets:
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+ - localhost:9093
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+
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+prometheus_scrape_configs:
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+ - job_name: "prometheus"
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+ metrics_path: "{{ prometheus_metrics_path }}"
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+ static_configs:
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+ - targets:
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+ - "{{ ansible_fqdn | default(ansible_host) | default('localhost') }}:9090"
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+ - job_name: "node"
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+ file_sd_configs:
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+ - files:
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+ - "{{ prometheus_config_dir }}/file_sd/node.yml"
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+
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+ - job_name: 'blackbox-external-targets'
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+ metrics_path: /probe
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+ params:
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+ module: [http_2xx_head]
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+ static_configs:
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+ - targets:
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+ - https://www.google.com
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+ - https://www.ripe.net
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+ relabel_configs: "{{ blackbox_relabel_configs }}"
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+
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+ - job_name: 'blackbox-server_head'
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+ metrics_path: /probe
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+ params:
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+ module: [http_2xx_head]
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+ static_configs:
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+ - targets:
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+ - https://ada
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+ relabel_configs: "{{ blackbox_relabel_configs }}"
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+
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+ - job_name: 'blackbox-server_get'
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+ metrics_path: /probe
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+ params:
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+ module: [http_2xx_get]
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+ static_configs:
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+ - targets:
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+ - https://torrent.ada/
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+ relabel_configs: "{{ blackbox_relabel_configs }}"
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+
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+ - job_name: 'blackbox-ping-external'
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+ metrics_path: /probe
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+ params:
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+ module: [icmp]
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+ static_configs:
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+ - targets:
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+ - 1.1.1.1
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+ - 8.8.8.8
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+ - 4.2.2.2
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+ relabel_configs: "{{ blackbox_relabel_configs }}"
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+
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+ - job_name: 'blackbox-ping-internal'
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+ file_sd_configs:
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+ - files:
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+ - "{{ prometheus_config_dir }}/file_sd/blackbox_ping_internal.yml"
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+ metrics_path: /probe
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+ params:
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+ module: [icmp]
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+ relabel_configs: "{{ blackbox_relabel_configs }}"
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+
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+prometheus_alert_rules:
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+ - alert: Watchdog
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+ expr: vector(1)
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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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+ description: "This is an alert meant to ensure that the entire alerting pipeline is functional.\nThis alert is always firing, therefore it should always be firing in Alertmanager\nand always fire against a receiver. There are integrations with various notification\nmechanisms that send a notification when this alert is not firing. For example the\n\"DeadMansSnitch\" integration in PagerDuty."
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+ summary: 'Ensure entire alerting pipeline is functional'
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+ - alert: NodeDown
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+ expr: "up{job=\"node\", alert=\"yes\"} == 0"
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+ for: 5m
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+ labels:
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+ severity: critical
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+ annotations:
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+ description: '{% raw %}{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 5 minutes.{% endraw %}'
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+ summary: '{% raw %}Instance {{ $labels.instance }} down{% endraw %}'
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+ - alert: ToolDown
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+ expr: "probe_success{job=\"blackbox-ping-internal\"} == 0"
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+ for: 5m
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+ labels:
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+ severity: critical
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+ annotations:
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+ description: '{% raw %}{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 5 minutes.{% endraw %}'
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+ summary: '{% raw %}Instance {{ $labels.instance }} down{% endraw %}'
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+ - alert: RebootRequired
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+ expr: 'node_reboot_required > 0'
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+ labels:
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+ severity: warning
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+ annotations:
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+ description: '{% raw %}{{ $labels.instance }} requires a reboot.{% endraw %}'
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+ summary: '{% raw %}Instance {{ $labels.instance }} - reboot required{% endraw %}'
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+ - alert: NodeFilesystemSpaceFillingUp
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+ annotations:
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+ description: '{% raw %}Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available space left and is filling up.{% endraw %}'
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+ summary: 'Filesystem is predicted to run out of space within the next 24 hours.'
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+ expr: "(\n node_filesystem_avail_bytes{job=\"node\",fstype!=\"\"} / node_filesystem_size_bytes{job=\"node\",fstype!=\"\"} * 100 < 40\nand\n predict_linear(node_filesystem_avail_bytes{job=\"node\",fstype!=\"\"}[6h], 24*60*60) < 0\nand\n node_filesystem_readonly{job=\"node\",fstype!=\"\"} == 0\n)\n"
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+ for: 1h
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+ labels:
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+ severity: warning
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+ - alert: NodeFilesystemSpaceFillingUp
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+ annotations:
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+ description: '{% raw %}Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available space left and is filling up fast.{% endraw %}'
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+ summary: 'Filesystem is predicted to run out of space within the next 4 hours.'
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+ expr: "(\n node_filesystem_avail_bytes{job=\"node\",fstype!=\"\"} / node_filesystem_size_bytes{job=\"node\",fstype!=\"\"} * 100 < 20\nand\n predict_linear(node_filesystem_avail_bytes{job=\"node\",fstype!=\"\"}[6h], 4*60*60) < 0\nand\n node_filesystem_readonly{job=\"node\",fstype!=\"\"} == 0\n)\n"
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+ for: 1h
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+ labels:
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+ severity: critical
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+ - alert: NodeFilesystemAlmostOutOfSpace
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+ annotations:
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+ description: '{% raw %}Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available space left.{% endraw %}'
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+ summary: 'Filesystem has less than 5% space left.'
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+ expr: "(\n node_filesystem_avail_bytes{job=\"node\",fstype!=\"\"} / node_filesystem_size_bytes{job=\"node\",fstype!=\"\"} * 100 < 5\nand\n node_filesystem_readonly{job=\"node\",fstype!=\"\"} == 0\n)\n"
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+ for: 1h
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+ labels:
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+ severity: warning
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+ - alert: NodeFilesystemAlmostOutOfSpace
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+ annotations:
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+ description: '{% raw %}Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available space left.{% endraw %}'
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+ summary: 'Filesystem has less than 3% space left.'
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+ expr: "(\n node_filesystem_avail_bytes{job=\"node\",fstype!=\"\"} / node_filesystem_size_bytes{job=\"node\",fstype!=\"\"} * 100 < 3\nand\n node_filesystem_readonly{job=\"node\",fstype!=\"\"} == 0\n)\n"
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+ for: 1h
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+ labels:
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+ severity: critical
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+ - alert: NodeFilesystemFilesFillingUp
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+ annotations:
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+ description: '{% raw %}Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available inodes left and is filling up.{% endraw %}'
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+ summary: 'Filesystem is predicted to run out of inodes within the next 24 hours.'
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+ expr: "(\n node_filesystem_files_free{job=\"node\",fstype!=\"\"} / node_filesystem_files{job=\"node\",fstype!=\"\"} * 100 < 40\nand\n predict_linear(node_filesystem_files_free{job=\"node\",fstype!=\"\"}[6h], 24*60*60) < 0\nand\n node_filesystem_readonly{job=\"node\",fstype!=\"\"} == 0\n)\n"
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+ for: 1h
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+ labels:
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+ severity: warning
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+ - alert: NodeFilesystemFilesFillingUp
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+ annotations:
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+ description: '{% raw %}Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available inodes left and is filling up fast.{% endraw %}'
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+ summary: 'Filesystem is predicted to run out of inodes within the next 4 hours.'
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+ expr: "(\n node_filesystem_files_free{job=\"node\",fstype!=\"\"} / node_filesystem_files{job=\"node\",fstype!=\"\"} * 100 < 20\nand\n predict_linear(node_filesystem_files_free{job=\"node\",fstype!=\"\"}[6h], 4*60*60) < 0\nand\n node_filesystem_readonly{job=\"node\",fstype!=\"\"} == 0\n)\n"
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+ for: 1h
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+ labels:
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+ severity: critical
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+ - alert: NodeFilesystemAlmostOutOfFiles
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+ annotations:
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+ description: '{% raw %}Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available inodes left.{% endraw %}'
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+ summary: 'Filesystem has less than 5% inodes left.'
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+ expr: "(\n node_filesystem_files_free{job=\"node\",fstype!=\"\"} / node_filesystem_files{job=\"node\",fstype!=\"\"} * 100 < 5\nand\n node_filesystem_readonly{job=\"node\",fstype!=\"\"} == 0\n)\n"
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+ for: 1h
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+ labels:
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+ severity: warning
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+ - alert: NodeFilesystemAlmostOutOfFiles
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+ annotations:
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+ description: '{% raw %}Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available inodes left.{% endraw %}'
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+ summary: 'Filesystem has less than 3% inodes left.'
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+ expr: "(\n node_filesystem_files_free{job=\"node\",fstype!=\"\"} / node_filesystem_files{job=\"node\",fstype!=\"\"} * 100 < 3\nand\n node_filesystem_readonly{job=\"node\",fstype!=\"\"} == 0\n)\n"
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+ for: 1h
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+ labels:
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+ severity: critical
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+ - alert: NodeNetworkReceiveErrs
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+ annotations:
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+ description: '{% raw %}{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} receive errors in the last two minutes.{% endraw %}'
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+ summary: 'Network interface is reporting many receive errors.'
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+ expr: "increase(node_network_receive_errs_total[2m]) > 10\n"
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+ for: 1h
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+ labels:
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+ severity: warning
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+ - alert: NodeNetworkTransmitErrs
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+ annotations:
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+ description: '{% raw %}{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} transmit errors in the last two minutes.{% endraw %}'
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+ summary: 'Network interface is reporting many transmit errors.'
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+ expr: "increase(node_network_transmit_errs_total[2m]) > 10\n"
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+ for: 1h
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+ labels:
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+ severity: warning
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+ - alert: NodeHighNumberConntrackEntriesUsed
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+ annotations:
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+ description: '{% raw %}{{ $value | humanizePercentage }} of conntrack entries are used{% endraw %}'
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+ summary: 'Number of conntrack are getting close to the limit'
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+ expr: "(node_nf_conntrack_entries / node_nf_conntrack_entries_limit) > 0.75\n"
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+ labels:
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+ severity: warning
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+ - alert: NodeClockSkewDetected
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+ annotations:
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+ message: '{% raw %}Clock on {{ $labels.instance }} is out of sync by more than 300s. Ensure NTP is configured correctly on this host.{% endraw %}'
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+ summary: 'Clock skew detected.'
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+ expr: "(\n node_timex_offset_seconds > 0.05\nand\n deriv(node_timex_offset_seconds[5m]) >= 0\n)\nor\n(\n node_timex_offset_seconds < -0.05\nand\n deriv(node_timex_offset_seconds[5m]) <= 0\n)\n"
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+ for: 10m
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+ labels:
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+ severity: warning
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+ - alert: NodeClockNotSynchronising
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+ annotations:
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+ message: '{% raw %}Clock on {{ $labels.instance }} is not synchronising. Ensure NTP is configured on this host.{% endraw %}'
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+ summary: 'Clock not synchronising.'
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+ expr: "min_over_time(node_timex_sync_status[5m]) == 0\n"
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+ for: 10m
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+ labels:
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+ severity: warning
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