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r3code/send-test-alert.sh

Created March 28, 2023 14:16
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Sending Alertmanager test alert and resolution over API
Raw
send-test-alert.sh
#!/bin/bash
# set your AlertManager server url
alertmanager_url='http://localhost:9093'
url="$alertmanager_url/api/v1/alerts"
# Script will prompt you for alert params, if you hit ENTER without entering a value it uses a [default] value
# alert params
default_name="alert_$RANDOM"
read -p "Enter alertname [$default_name]: " alertname
alertname=${name:-$default_name}
read -p "Enter service name [test_service]: " service
service=${service:-test_service}
read -p "Enter severity [warning]: " severity
severity=${severity:-warning}
read -p "Enter summary [Test service alert]: " summary
summary=${summary:-Test service alert}
description="example alert description"
alerts="[{
\"status\": \"firing\",
\"labels\": {
\"alertname\": \"$alertname\",
\"service\": \"$service\",
\"severity\":\"$severity\",
\"instance\": \"$alertname.example.net\",
},
\"annotations\": {
\"summary\": \"$summary\",
\"description\": \"$description\",
\"grafana_dashboard_link\": \"https://grafana.my.domain/d/<dashboards-folder>/<dashboard-name>?from=now-6h/m&to=now-1m/m&var-service=<service_name>&var-some_var=<some_var_value>\"
},
\"generatorURL\": \"http://prometheus.int.example.net/<generating_expression>\"
}]"
echo "Fire up an alert $alertname for $service"
curl -XPOST $url -d "$alerts"
echo ""
echo "Press enter to send an alert resolution for $alertname for $service"
read
alerts=${alerts/\"firing\"/\"resolved\"}
echo "sending resolve"
curl -XPOST $url -d "$alerts"
echo ""
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