Aerospike

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This document describes how to configure your Google Kubernetes Engine deployment so that you can use Google Cloud Managed Service for Prometheus to collect metrics from Aerospike. This document shows you how to do the following:

  • Set up the exporter for Aerospike to report metrics.
  • Configure a PodMonitoring resource for Managed Service for Prometheus to collect the exported metrics.
  • Access a dashboard in Cloud Monitoring to view the metrics.

These instructions apply only if you are using using managed collection with Managed Service for Prometheus. If instead you are using self-deployed collection, then see the source repository for the Aerospike exporter for installation information.

For information about Aerospike, see Aerospike.

Prerequisites

To collect metrics from Aerospike by using Managed Service for Prometheus and managed collection, your deployment must meet the following requirements:

  • Your cluster must be running Google Kubernetes Engine version 1.21.4-gke.300 or later.
  • You must be running Managed Service for Prometheus with managed collection enabled. For more information, see Get started with managed collection.

  • To use dashboards available in Cloud Monitoring for the Aerospike integration, you must use aerospike-prometheus-exporter version 1.8.0 or later.

    For more information about available dashboards, see View dashboards.

Install the Aerospike exporter

We recommend that you install the Aerospike exporter, aerospike-prometheus-exporter, as a sidecar to your Aerospike workload. For information about using sidecars, see Extended applications on Kubernetes with multi-container pods.

To install aerospike-prometheus-exporter as a sidecar to Aerospike, modify your Aerospike configuration as shown in the following example:

# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: aerospike
  labels:
    app.kubernetes.io/name: aerospike
spec:
  serviceName: aerospike
  replicas: 1
  selector:
    matchLabels:
+     app.kubernetes.io/name: aerospike
  template:
    metadata:
      labels:
+       app.kubernetes.io/name: aerospike
    spec:
      containers:
      - name: aerospike
        image: aerospike/aerospike-server:6.0.0.2
        ports:
        - containerPort: 3000
+     - name: aerospike-prometheus-exporter
+       image: aerospike/aerospike-prometheus-exporter:1.8.0
+       ports:
+       - containerPort: 9145
+         name: prometheus
+       env:
+         - name: AS_HOST
+           value: localhost
+         - name: AS_PORT
+           value: "3000"

You must add any lines preceded by the + symbol to your configuration.

These instructions assume you already have a working Aerospike installation and want to modify it to include an exporter. For information about setting up Aerospike, see the Aerospike operator documentation.

To apply configuration changes from a local file, run the following command:

kubectl apply -n NAMESPACE_NAME -f FILE_NAME

You can also use Terraform to manage your configurations.

Define a PodMonitoring resource

For target discovery, the Managed Service for Prometheus Operator requires a PodMonitoring resource that corresponds to the Aerospike exporter in the same namespace.

You can use the following PodMonitoring configuration:

# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: monitoring.googleapis.com/v1
kind: PodMonitoring
metadata:
  name: aerospike
  labels:
    app.kubernetes.io/name: aerospike
    app.kubernetes.io/part-of: google-cloud-managed-prometheus
spec:
  endpoints:
  - port: prometheus
    interval: 30s
  selector:
    matchLabels:
      app.kubernetes.io/name: aerospike

Ensure that the label selectors and the port match the selectors and port used in Install the Aerospike exporter.

To apply configuration changes from a local file, run the following command:

kubectl apply -n NAMESPACE_NAME -f FILE_NAME

You can also use Terraform to manage your configurations.

Verify the configuration

You can use Metrics Explorer to verify that you correctly configured the Aerospike exporter. It might take one or two minutes for Cloud Monitoring to ingest your metrics.

To verify the metrics are ingested, do the following:

  1. In the Google Cloud console, select Monitoring or click the following button:
    Go to Monitoring
  2. In the navigation pane, select   Metrics Explorer.
  3. Select the PromQL tab, and run the following query:
    up{job="aerospike", cluster="CLUSTER_NAME", namespace="NAMESPACE_NAME"}

View dashboards

The Cloud Monitoring integration includes the Aerospike Prometheus Overview dashboard. Dashboards are automatically installed when you configure the integration. You can also view static previews of dashboards without installing the integration.

To view an installed dashboard, do the following:

  1. In the Google Cloud console, select Monitoring or click the following button:
    Go to Monitoring
  2. In the navigation pane, select  Dashboards.
  3. Select the Dashboard List tab.
  4. Choose the Integrations category.
  5. Click the name of the dashboard, for example, Aerospike Prometheus Overview.

To view a static preview of the dashboard, do the following:

  1. In the Google Cloud console, select Monitoring or click the following button:
    Go to Monitoring
  2. In the navigation pane, select  Integrations.
  3. Click the Kubernetes Engine deployment-platform filter.
  4. Locate the Aerospike integration and click View Details.
  5. Select the Dashboards tab.

Troubleshooting

For information about troubleshooting metric-ingestion problems, see Problems with collection from exporters in Troubleshooting ingestion-side problems.