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295 lines
9.6 KiB
Markdown
295 lines
9.6 KiB
Markdown
---
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sort: 4
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weight: 4
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title: Alerting with vmalert and Managed VictoriaMetrics
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menu:
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docs:
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parent: "managed"
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weight: 4
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---
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# Alerting with vmalert and Managed VictoriaMetrics
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This guide explains the different ways in which you can use vmalert in conjunction with Managed VictoriaMetrics
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<img src="alerting-vmalert-managed-victoria-metrics-setup.png">
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## Preconditions
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* [vmalert](https://docs.victoriametrics.com/vmalert.html) is installed. You can obtain it by building it from [source](https://docs.victoriametrics.com/vmalert.html#quickstart), downloading it from the [GitHub releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases), or using the [docker image](https://hub.docker.com/r/victoriametrics/vmalert) for the container ecosystem (such as docker, k8s, etc.).
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* [Alertmanager](https://prometheus.io/docs/alerting/latest/alertmanager/) is installed.
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* You have a [single or cluster](https://docs.victoriametrics.com/managed-victoriametrics/quickstart.html#creating-deployment) deployment in [Managed VictoriaMetrics](https://docs.victoriametrics.com/managed-victoriametrics/overview.html).
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* If you are using helm, add the [VictoriaMetrics helm chart](https://github.com/VictoriaMetrics/helm-charts/tree/master/charts/victoria-metrics-alert#how-to-install) repository to your helm repositories. This step is optional.
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* If you are using [vmoperator](https://docs.victoriametrics.com/operator/quick-start.html#quick-start), make sure that it and its CRDs are installed. This step is also optional.
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## Setup
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### Alerting and recording rules file(s)
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You need to prepare file(s) with alerting or recording rules.
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An example file with one alerting rule.
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alerts.yml
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```yaml
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groups:
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- name: common
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rules:
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- alert: instanceIsDown
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for: 1m
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expr: up == 0
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labels:
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severity: critical
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annotations:
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summary: "{{ $labels.job }} instance: {{$labels.instance }} is not up"
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description: "Job {{ $labels.job }} instance: {{$labels.instance }} is not up for the last 1 minute"
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```
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### Managed VictoriaMetrics access token and deployment endpoint
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To use vmalert with Managed VictoriaMetrics, you must create a read/write token, or use an existing one. The token must have write access to ingest recording rules, ALERTS and ALERTS_FOR_STATE metrics, and read access for rules evaluation.
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For instructions on how to create tokens, please refer to this section of the [documentation](https://docs.victoriametrics.com/managed-victoriametrics/quickstart.html#deployment-access).
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#### Single-Node
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<img src="alerting-vmalert-managed-victoria-metrics-single-1.png">
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<img src="alerting-vmalert-managed-victoria-metrics-single-2.png">
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#### Cluster
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<img src="alerting-vmalert-managed-victoria-metrics-cluster-1.png">
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<img src="alerting-vmalert-managed-victoria-metrics-cluster-2.png">
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<img src="alerting-vmalert-managed-victoria-metrics-cluster-3.png">
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### vmalert configuration
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#### Single-Node
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##### Binary
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```console
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export TOKEN=81e8226e-4e25-480d-9397-31ba4007f0bf
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export MANAGED_VM_URL=https://gw-c15-1c.cloud.victoriametrics.com
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export ALERTMANAGER_URL=http://localhost:9093
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./vmalert -rule=alerts.yml -datasource.url=$MANAGED_VM_URL -datasource.bearerToken=$TOKEN -notifier.url=$ALERTMANAGER_URL -remoteWrite.url=$MANAGED_VM_URL -remoteWrite.bearerToken=$TOKEN -remoteRead.url=$MANAGED_VM_URL -remoteRead.bearerToken=$TOKEN
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```
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##### Docker
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```console
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export TOKEN=81e8226e-4e25-480d-9397-31ba4007f0bf
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export MANAGED_VM_URL=https://gw-c15-1c.cloud.victoriametrics.com
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export ALERTMANAGER_URL=http://alertmanager:9093
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docker run -it -p 8080:8080 -v $(pwd)/alerts.yml:/etc/alerts/alerts.yml victoriametrics/vmalert:v1.87.1 -datasource.url=$MANAGED_VM_URL -datasource.bearerToken=$TOKEN -remoteRead.url=$MANAGED_VM_URL -remoteRead.bearerToken=$TOKEN -remoteWrite.url=$MANAGED_VM_URL -remoteWrite.bearerToken=$TOKEN -notifier.url=$ALERTMANAGER_URL -rule="/etc/alerts/*.yml"
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```
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##### Helm Chart
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```console
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export TOKEN=81e8226e-4e25-480d-9397-31ba4007f0bf
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export MANAGED_VM_URL=https://gw-c15-1c.cloud.victoriametrics.com
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export ALERTMANAGER=http://alertmanager:9093
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cat <<EOF | helm install vmalert vm/victoria-metrics-alert -f -
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server:
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datasource:
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url: $MANAGED_VM_URL
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bearer:
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token: $TOKEN
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remote:
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write:
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url: $MANAGED_VM_URL
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bearer:
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token: $TOKEN
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read:
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url: $MANAGED_VM_URL
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bearer:
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token: $TOKEN
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notifier:
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alertmanager:
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url: $ALERTMANAGER
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config:
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alerts:
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groups:
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- name: common
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rules:
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- alert: instanceIsDown
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for: 1m
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expr: up == 0
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labels:
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severity: critical
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annotations:
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summary: "{{ $labels.job }} instance: {{$labels.instance }} is not up"
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description: "Job {{ $labels.job }} instance: {{$labels.instance }} is not up for the last 1 minute"
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EOF
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```
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##### VMalert CRD for vmoperator
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```console
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export TOKEN=81e8226e-4e25-480d-9397-31ba4007f0bf
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export MANAGED_VM_URL=https://gw-c15-1c.cloud.victoriametrics.com
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export ALERTMANAGER=http://alertmanager:9093
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cat << EOF | kubectl apply -f -
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apiVersion: operator.victoriametrics.com/v1beta1
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kind: VMAlert
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metadata:
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name: vmalert-managed-vm
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spec:
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replicaCount: 1
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datasource:
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url: $MANAGED_VM_URL
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bearerTokenSecret:
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name: managed-token
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key: token
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remoteWrite:
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url: $MANAGED_VM_URL
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bearerTokenSecret:
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name: managed-token
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key: token
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remoteRead:
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url: $MANAGED_VM_URL
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bearerTokenSecret:
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name: managed-token
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key: token
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notifier:
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url: $ALERTMANAGER
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ruleSelector:
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matchLabels:
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type: managed
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---
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apiVersion: v1
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kind: Secret
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metadata:
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name: managed-token
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stringData:
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token: $TOKEN
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EOF
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```
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##### Testing
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You can ingest metric that will raise an alert
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```console
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export TOKEN=81e8226e-4e25-480d-9397-31ba4007f0bf
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export MANAGED_VM_URL=https://gw-c15-1c.cloud.victoriametrics.com/
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curl -H "Authorization: Bearer $TOKEN" -X POST "$MANAGED_VM_URLapi/v1/import/prometheus" -d 'up{job="vmalert-test", instance="localhost"} 0'
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```
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#### Cluster
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##### Binary
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```console
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export TOKEN=76bc5470-d340-4e5e-9574-49ed30911cc4
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export MANAGED_VM_READ_URL=https://gw-c15-1a.cloud.victoriametrics.com/select/0/prometheus/
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export MANAGED_VM_WRITE_URL=https://gw-c15-1a.cloud.victoriametrics.com/insert/0/prometheus/
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export ALERTMANAGER_URL=http://localhost:9093
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./vmalert -rule=alerts.yml -datasource.url=$MANAGED_VM_READ_URL -datasource.bearerToken=$TOKEN -notifier.url=$ALERTMANAGER_URL -remoteWrite.url=$MANAGED_VM_WRITE_URL -remoteWrite.bearerToken=$TOKEN -remoteRead.url=$MANAGED_VM_READ_URL -remoteRead.bearerToken=$TOKEN
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```
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##### Docker
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```console
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export TOKEN=76bc5470-d340-4e5e-9574-49ed30911cc4
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export MANAGED_VM_READ_URL=https://gw-c15-1a.cloud.victoriametrics.com/select/0/prometheus/
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export MANAGED_VM_WRITE_URL=https://gw-c15-1a.cloud.victoriametrics.com/insert/0/prometheus/
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export ALERTMANAGER_URL=http://alertmanager:9093
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docker run -it -p 8080:8080 -v $(pwd)/alerts.yml:/etc/alerts/alerts.yml victoriametrics/vmalert:v1.87.1 -datasource.url=$MANAGED_VM_READ_URL -datasource.bearerToken=$TOKEN -remoteRead.url=$MANAGED_VM_READ_URL -remoteRead.bearerToken=$TOKEN -remoteWrite.url=$MANAGED_VM_WRITE_URL -remoteWrite.bearerToken=$TOKEN -notifier.url=$ALERTMANAGER_URL -rule="/etc/alerts/*.yml"
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```
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##### Helm Chart
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```console
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export TOKEN=76bc5470-d340-4e5e-9574-49ed30911cc4
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export MANAGED_VM_READ_URL=https://gw-c15-1a.cloud.victoriametrics.com/select/0/prometheus/
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export MANAGED_VM_WRITE_URL=https://gw-c15-1a.cloud.victoriametrics.com/insert/0/prometheus/
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export ALERTMANAGER=http://alertmanager:9093
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cat <<EOF | helm install vmalert vm/victoria-metrics-alert -f -
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server:
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datasource:
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url: $MANAGED_VM_READ_URL
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bearer:
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token: $TOKEN
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remote:
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write:
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url: $MANAGED_VM_WRITE_URL
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bearer:
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token: $TOKEN
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read:
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url: $MANAGED_VM_READ_URL
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bearer:
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token: $TOKEN
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notifier:
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alertmanager:
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url: $ALERTMANAGER
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config:
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alerts:
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groups:
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- name: common
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rules:
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- alert: instanceIsDown
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for: 1m
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expr: up == 0
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labels:
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severity: critical
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annotations:
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summary: "{{ $labels.job }} instance: {{$labels.instance }} is not up"
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description: "Job {{ $labels.job }} instance: {{$labels.instance }} is not up for the last 1 minute"
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EOF
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```
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##### VMalert CRD for vmoperator
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```console
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export TOKEN=76bc5470-d340-4e5e-9574-49ed30911cc4
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export MANAGED_VM_READ_URL=https://gw-c15-1a.cloud.victoriametrics.com/select/0/prometheus/
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export MANAGED_VM_WRITE_URL=https://gw-c15-1a.cloud.victoriametrics.com/insert/0/prometheus/
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export ALERTMANAGER=http://alertmanager:9093
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cat << EOF | kubectl apply -f -
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apiVersion: operator.victoriametrics.com/v1beta1
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kind: VMAlert
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metadata:
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name: vmalert-managed-vm
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spec:
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replicaCount: 1
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datasource:
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url: $MANAGED_VM_READ_URL
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bearerTokenSecret:
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name: managed-token
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key: token
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remoteWrite:
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url: $MANAGED_VM_WRITE_URL
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bearerTokenSecret:
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name: managed-token
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key: token
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remoteRead:
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url: $MANAGED_VM_READ_URL
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bearerTokenSecret:
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name: managed-token
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key: token
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notifier:
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url: $ALERTMANAGER
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ruleSelector:
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matchLabels:
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type: managed
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---
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apiVersion: v1
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kind: Secret
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metadata:
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name: managed-token
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stringData:
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token: $TOKEN
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EOF
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```
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##### Testing
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You can ingest metric that will raise an alert
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```console
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export TOKEN=76bc5470-d340-4e5e-9574-49ed30911cc4
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export MANAGED_VM_WRITE_URL=https://gw-c15-1a.cloud.victoriametrics.com/insert/0/prometheus/
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curl -H "Authorization: Bearer $TOKEN" -X POST "$MANAGED_VM_WRITE_URLapi/v1/import/prometheus" -d 'up{job="vmalert-test", instance="localhost"} 0'
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``` |