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ssv-monitoring

A monitoring solution for node runners and validators utilizing docker containers with Prometheus, Grafana, NodeExporter, and alerting with AlertManager. This is intended to be a single-stop solution for monitoring your signing state for SSV. The dashboard utilize the official SSV Monitoring dashboards

Install

Clone this repository on your Docker host, cd into ssv-monitoring directory and run compose up:

git clone https://github.com/LavenderFive/ssv-monitoring
cd ssv-monitoring
cp .env.sample .env
# under prometheus/prometheus.yml line 43, add your SSV operators
# under alertmanager/config.yml line 12, add your Pagerduty APIv2 service key
docker-compose up -d

Caddy v2 does not accept plaintext passwords. It MUST be provided as a hash value. The above password hash corresponds to ADMIN_PASSWORD 'admin'. To know how to generate hash password, refer Updating Caddy to v2

Prerequisites:

  • Docker Engine >= 1.13
  • Docker Compose >= 1.11

Containers:

  • Prometheus (metrics database) http://<host-ip>:9090
  • Prometheus-Pushgateway (push acceptor for ephemeral and batch jobs) http://<host-ip>:9091
  • AlertManager (alerts management) http://<host-ip>:9093
  • Alertmanager-discord (disabled by default) http://<host-ip>:9094
  • Grafana (visualize metrics) http://<host-ip>:3000
    • Infinity Plugin
  • NodeExporter (host metrics collector)
  • Caddy (reverse proxy and basic auth provider for prometheus and alertmanager)

TL;DR: Steps

1. cp .env.sample .env
----- SSV -----
1. under prometheus/prometheus.yml line 43, add your SSV operators
1. under alertmanager/config.yml line 12, add your Pagerduty APIv2 service key
----- Caddy ------
1. under caddy/Caddyfile:
1. replace YOUR_WEBSITE.COM with your website
1. replace [email protected] with your email
1. point your dns to your monitoring server
-----------------
1. cd ~/ssv-monitoring
1. docker compose up -d

Setup Grafana

Grafana Dashboard

This monitoring solution comes built in with a the official SSV Monitoring dashboards, which works out of the box. Grafana, Prometheus, and Infinity are installed automatically.

Navigate to http://<host-ip>:3000 and login with user admin password admin. You can change the credentials in the compose file or by supplying the ADMIN_USER and ADMIN_PASSWORD environment variables on compose up. The config file can be added directly in grafana part like this

grafana:
  image: grafana/grafana:7.2.0
  env_file:
    - .env

and the config file format should have this content

GF_SECURITY_ADMIN_USER=admin
GF_SECURITY_ADMIN_PASSWORD=changeme
GF_USERS_ALLOW_SIGN_UP=false

If you want to change the password, you have to remove this entry, otherwise the change will not take effect

- grafana_data:/var/lib/grafana

Grafana is preconfigured with dashboards and Prometheus as the default data source:

SSV Node Dashboard

image4

Monitor Services Dashboard

Monitor Services

The Monitor Services Dashboard shows key metrics for monitoring the containers that make up the monitoring stack:

  • Prometheus container uptime, monitoring stack total memory usage, Prometheus local storage memory chunks and series
  • Container CPU usage graph
  • Container memory usage graph
  • Prometheus chunks to persist and persistence urgency graphs
  • Prometheus chunks ops and checkpoint duration graphs
  • Prometheus samples ingested rate, target scrapes and scrape duration graphs
  • Prometheus HTTP requests graph
  • Prometheus alerts graph

Define alerts

Two alert groups have been setup within the alert.rules configuration file:

  • Monitoring services alerts targets
  • SSV alerts ssv

You can modify the alert rules and reload them by making a HTTP POST call to Prometheus:

curl -X POST http://admin:admin@<host-ip>:9090/-/reload

Monitoring services alerts

Trigger an alert if any of the monitoring targets (node-exporter and cAdvisor) are down for more than 30 seconds:

- alert: monitor_service_down
    expr: up == 0
    for: 30s
    labels:
      severity: critical
    annotations:
      summary: "Monitor service non-operational"
      description: "Service {{ $labels.instance }} is down."

SSV alerts

Trigger an alert if SSV, the Beacon, or Execution nodes are down.

- name: SSV
  rules:
  - alert: SSVBeaconNodeDown
    expr: ssv_beacon_status < 2
    for: 5m
    labels:
      severity: critical
    annotations:
      summary: "SSV <> ETH Beacon Node Down for instance: {{ $labels.instance }}"
  - alert: SSVExecutionNodeDown
    expr: ssv_eth1_status < 2
    for: 5m
    labels:
      severity: critical
    annotations:
      summary: "SSV <> ETH Execution Node Down for instance: {{ $labels.instance }}"
  - alert: SSVOperatorDown
    expr: (ssv_node_status + 1) < 2 or (absent(ssv_node_status) * 0) < 2
    for: 5m
    labels:
      severity: critical
    annotations:
      summary: "SSV Operator Down for instance: {{ $labels.instance }}"
  - alert: SSVLowPeers
    expr: ssv_p2p_all_connected_peers < 10
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: "SSV Operator Peers low for instance: {{ $labels.instance }}"
  - alert: SSVLowPerformance
    expr: sum(rate(ssv_validator_roles_failed{instance=~"$instance.*"}[5m])) > sum(rate(ssv_validator_roles_submitted{instance=~"$instance.*"}[5m]))
    for: 5m
    labels:
      severity: critical
    annotations:
      summary: "SSV Failed Submissions too high for instance: {{ $labels.instance }}"
  - alert: SSVMissedProposal
    expr: increase(ssv_validator_roles_failed{role="PROPOSER"}[5m]) > 1
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: "SSV Failed Proposal Submission, likely config error for instance: {{ $labels.instance }}"
  - alert: SSVInstanceDown
    expr: up{job="ssv"} == 0
    for: 3m
    annotations:
      title: 'Instance {{ $labels.instance }} down'
      description: '{{ $labels.job }} on {{ $labels.instance }} has been down for more than 3 minutes'
    labels:
      severity: 'critical'

Node/Server alerts

- name: Node/server alerts
  rules:
  - alert: InstanceDown
    # Condition for alerting
    expr: up == 0
    for: 3m
    # Annotation - additional informational labels to store more information
    annotations:
      title: 'Instance {{ $labels.instance }} down'
      description: '{{ $labels.job }} on {{ $labels.instance }} has been down for more than 3 minutes'
    # Labels - additional labels to be attached to the alert
    labels:
      severity: 'critical'

  - alert: NodeFilesystemReadonly
    expr: node_filesystem_readonly{fstype!~"rootfs|nfs4"} > 0
    for: 5m
    labels:
      severity: critical
      service: node_exporter
    annotations:
      description: 'Filesystem "{{ $labels.mountpoint }}" on "{{ $labels.instance }}" is read-only.'

  - alert: NodeDiskFull48H
    expr: predict_linear(node_filesystem_free_bytes{fstype!~"rootfs|nfs4|tmpfs"}[4h], 48 * 3600) < 0
    for: 5m
    labels:
      severity: major
      service: node_exporter
    annotations:
      description: 'Filesystem "{{ $labels.mountpoint }}" on "{{ $labels.instance }}" will be out of diskspace within 48 hours.'

  - alert: NodeDiskFull1H
    expr: predict_linear(node_filesystem_free_bytes{fstype!~"rootfs|nfs4|tmpfs"}[4h], 3600) < 0
    for: 5m
    labels:
      severity: critical
      service: node_exporter
    annotations:
      description: 'Filesystem "{{ $labels.mountpoint }}" on "{{ $labels.instance }}" will be out of diskspace within 1 hour.'

  - alert: NodeDiskFull
    expr: node_filesystem_avail_bytes/node_filesystem_size_bytes < 0.01
    for: 5m
    labels:
      severity: critical
      service: node_exporter
    annotations:
      description: 'Filesystem "{{ $labels.mountpoint }}" on "{{ $labels.instance }}" is out of diskspace (< 1% free).'

  - alert: NodeInodeFull48H
    expr: predict_linear(node_filesystem_files_free{fstype!~"rootfs|nfs4|tmpfs"}[4h], 48 * 3600) < 0
    for: 5m
    labels:
      severity: major
      service: node_exporter
    annotations:
      description: 'Filesystem "{{ $labels.mountpoint }}" on "{{ $labels.instance }}" will be out of inode numbers within 48 hours.'

  - alert: NodeInodeFull1H
    expr: predict_linear(node_filesystem_files_free{fstype!~"rootfs|nfs4|tmpfs"}[4h], 3600) < 0
    for: 5m
    labels:
      severity: critical
      service: node_exporter
    annotations:
      description: 'Filesystem "{{ $labels.mountpoint }}" on "{{ $labels.instance }}" will be out of inode numbers within 1 hour.'

  - alert: NodeInodeFull
    expr: node_filesystem_files_free/node_filesystem_files < 0.01
    for: 5m
    labels:
      severity: critical
      service: node_exporter
    annotations:
      description: 'Filesystem "{{ $labels.mountpoint }}" on "{{ $labels.instance }}" out of inodes (< 1% free).'

  - alert: NodeOutOfMemory
    expr: node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 < 10
    for: 2m
    labels:
      severity: warning
      service: node_exporter
    annotations:
      description: 'Node memory is filling up < 10% left\n  VALUE = {{ $value }}\n LABELS: {{ $labels.instance }}'

  - alert: NodeHighCPULoad
    expr: 100 - (avg by(instance) (rate(node_cpu_seconds_total{mode="idle"}[2m])) * 100) > 80
    for: 0m
    labels:
      severity: warning
      service: node_exporter
    annotations:
      description: 'CPU load is > 80%\n  VALUE = {{ $value }}\n LABELS: {{ $labels.instance }}'

  - alert: NodeTimeOutOfSync
    expr: node_timex_sync_status{} != 1
    for: 5m
    labels:
      severity: warning
      service: node_exporter
    annotations:
      description: 'Time on instance "{{ $labels.instance }}" not in sync with NTP.'

  - alert: NodeTextfileCollectorDown
    expr: time() - node_textfile_mtime_seconds{} > 3000
    for: 5m
    labels:
      severity: warning
      service: node_exporter
    annotations:
      description: 'Node-exporter textfile collector for file "{{ $labels.file }}" on "{{ $labels.instance }}" has been down for 5 minutes.'

  - alert: NodeTextfileScrapingError
    expr: node_textfile_scrape_error != 0
    for: 5m
    labels:
      severity: warning
      service: node_exporter
    annotations:
      description: 'Node-exporter textfile collector scraping error on "{{ $labels.instance }}".'

Setup alerting

The AlertManager service is responsible for handling alerts sent by Prometheus server. AlertManager can send notifications via email, Pushover, Slack, HipChat or any other system that exposes a webhook interface. A complete list of integrations can be found here.

You can view and silence notifications by accessing http://<host-ip>:9093.

The notification receivers can be configured in alertmanager/config.yml file.

To receive alerts via Slack you need to make a custom integration by choose incoming web hooks in your Slack team app page. You can find more details on setting up Slack integration here.

Copy the Slack Webhook URL into the api_url field and specify a Slack channel.

route:
    receiver: 'slack'

receivers:
    - name: 'slack'
      slack_configs:
          - send_resolved: true
            text: "{{ .CommonAnnotations.description }}"
            username: 'Prometheus'
            channel: '#<channel>'
            api_url: 'https://hooks.slack.com/services/<webhook-id>'

Slack Notifications

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SSV https://ssv.network/ monitoring

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