Setting - Slack
Run Alertmanager on Docker
https://github.com/prometheus/alertmanager
sansae@sansaeubuntu:~$ docker run --name alertmanager -d -p 9093:9093 quay.io/prometheus/alertmanager Unable to find image 'quay.io/prometheus/alertmanager:latest' locally latest: Pulling from prometheus/alertmanager 0f8c40e1270f: Pull complete 626a2a3fee8c: Pull complete 74ad1ee664e6: Pull complete addd0e4e1dc5: Pull complete 012b22e92c79: Pull complete 518f5393dbbc: Pull complete Digest: sha256:24a5204b418e8fa0214cfb628486749003b039c279c56b5bddb5b10cd100d926 Status: Downloaded newer image for quay.io/prometheus/alertmanager:latest 8177cb714ac6256558917a0c3b165f526baf591f7e295cc12f295e2ab4ef6598 sansae@sansaeubuntu:~$ sansae@sansaeubuntu:~$ sansae@sansaeubuntu:~$ docker exec -it alertmanager sh /alertmanager $ vi /etc/alertmanager/alertmanager.yml /alertmanager $ cp /etc/alertmanager/alertmanager.yml /etc/alertmanager/alertmanager.yml.orig /alertmanager $ /alertmanager $ vi /etc/alertmanager/alertmanager.yml ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ global: smtp_smarthost: 'localhost:25' smtp_from: 'sooabia@gmail.com' smtp_auth_username: '' smtp_auth_password: '' templates: - '/etc/alertmanager/temlate/*.tmpl' route: repeat_interval: 1h receiver: operations-team receivers: - name: 'operations-team' email_configs: - to: 'sooabia@gmail.com' slack_configs: - api_url: https://hooks.slack.com/services/XXXXXX/B020ED9QYUD/RvFVPTzArYTXXXXXXXX channel: '#alertmanager-demo' send_resolved: true ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /alertmanager $ exit sansae@sansaeubuntu:~$ docker stop alertmanager alertmanager sansae@sansaeubuntu:~$ docker start alertmanager alertmanager sansae@sansaeubuntu:~$ sansae@sansaeubuntu:~$ sansae@sansaeubuntu:~$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 8177cb714ac6 quay.io/prometheus/alertmanager "/bin/alertmanager -…" 17 minutes ago Up 3 seconds 0.0.0.0:9093->9093/tcp, :::9093->9093/tcp alertmanager sansae@sansaeubuntu:~$ sansae@sansaeubuntu:~$ curl ifconfig.me 20.41.96.191
Setting Prometheus on Docker
sansae@sansaeubuntu:~$ docker run -d --name prometheus --link exporter --link alertmanager -p 9090:9090 prom/prometheus
8125a3d79028fca48963236c2f5a3c1ca12fe2287af0e5331253bebf8bb55434
sansae@sansaeubuntu:~$
sansae@sansaeubuntu:~$
sansae@sansaeubuntu:~$ docker exec -it prometheus sh
/prometheus $ vi /etc/prometheus/prometheus.yml
/prometheus $
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Alertmanager configuration
alerting:
alertmanagers:
- static_configs:
- targets:
- alertmanager:9093
rule_files:
- "/etc/prometheus/alert.urles"
scrape_configs:
- job_name: 'node_exporter'
scrape_interval: 5s
static_configs:
- targets: ['exporter:9100']
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/prometheus $
/prometheus $
/prometheus $ vi /prometheus/alert.rules
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
groups:
- name: example
rules:
- alert: cpuUsge
expr: 100 - (avg by (instance) (irate(node_cpu_seconds_total{job='node_exporter',mode="idle"}[5m])) * 100) > 45
for: 1m
labels:
severity: critical
annotations:
summary: Machine under healvy load
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/prometheus $ exit
sansae@sansaeubuntu:~$
sansae@sansaeubuntu:~$ docker stop prometheus
prometheus
sansae@sansaeubuntu:~$ docker start prometheus
prometheus
sansae@sansaeubuntu:~$
Test Webhook - Slack
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