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<p><a href="elma365-on-premises.html">BRIX On-Premises</a> > <a href="elma365-enterprise.html">BRIX On-Premises Enterprise</a> > Install add-on components for BRIX > <a href="install-monitoring-tools.html">Install monitoring tools</a> / Monitoring of databases</p>
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<div class="topic__title"><h1 class="p_Heading1"><span class="f_Heading1">Monitoring of databases</span></h1>
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<!-- Placeholder for topic body. -->
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<p style="line-height: 1.28; margin: 0 0 11px 0;">DBSExporter is an add-on designed for monitoring PostgreSQL, MongoDB, RabbitMQ, Redis, and S3 storage databases.</p>
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<p style="line-height: 1.28; margin: 0 0 11px 0;">The installation of the add-on consists of the following steps:</p>
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<ol style="list-style-type:decimal">
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<li value="1" style="line-height: 1.28; margin-top: 0; margin-right: 0; margin-bottom: 11px;"><span style="color: #0563c1;"><a href="monitoring-databases.html#download-helm-chart-and-config-file" class="topiclink">Download the Helm chart and configuration file</a></span>.</li><li value="2" style="line-height: 1.28; margin-top: 0; margin-right: 0; margin-bottom: 11px;"><span style="color: #0563c1;"><a href="monitoring-databases.html#create-configuration-token" class="topiclink">Create a configuration token to use MinIO metrics for Prometheus</a></span>.</li><li value="3" style="line-height: 1.28; margin-top: 0; margin-right: 0; margin-bottom: 11px;"><span style="color: #0563c1;"><a href="monitoring-databases.html#filling-out-configuration-file" class="topiclink">Fill in the configuration file</a></span>.</li><li value="4" style="line-height: 1.28; margin-top: 0; margin-right: 0; margin-bottom: 11px;"><a href="monitoring-databases.html#node-exporter" class="topiclink">Install Node Exporter on the database servers</a>.</li><li value="5" style="line-height: 1.28; margin-top: 0; margin-right: 0; margin-bottom: 11px;"><span style="color: #0563c1;"><a href="monitoring-databases.html#install-chart-dbsexporter" class="topiclink">Install the DBSExporter chart using Helm in the Kubernetes cluster</a></span>.</li></ol>
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<h2 class="p_Heading2"><a id="download-helm-chart-and-config-file" class="hmanchor"></a><span class="f_Heading2">Step 1: Download the Helm chart and configuration file</span></h2>
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<p style="line-height: 1.20;">To install via the internet, obtain the <code><b>values-dbsexporter.yaml</b></code><span style="font-size: 13px;"> </span>configuration file by executing the following command:</p>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">helm repo add elma365 https://charts.elma365.tech</span><br />
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<span class="f_CodeExample">helm repo update</span><br />
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<span class="f_CodeExample">helm show values elma365/dbsexporter > values-dbsexporter.yaml</span></p>
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<p class="p_Normal"><a class="dropdown-toggle" style="font-style: normal; font-weight: normal; color: #000000; background-color: transparent; text-decoration: none;" href="javascript:HMToggle('toggle','TOGGLE0186A1')">For offline installation without internet access</a></p>
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<div id="TOGGLE0186A1" class="dropdown-toggle-body" style="text-align: left; text-indent: 0; line-height: 1.80; padding: 0 0 0 0; margin: 0 0 0 0;"><table style="border:none; border-spacing:0;">
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<tr>
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<td style="vertical-align:top; padding:0; border:none"><ol style="list-style-type:decimal">
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<li value="1" class="p_Normal">On a computer with internet access, download the archive of the latest version of the DBSExporter chart from the BRIX repository using the command:</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">helm repo add elma365 https://charts.elma365.tech</span><br />
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<span class="f_CodeExample">helm repo update</span><br />
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<span class="f_CodeExample">helm pull elma365/dbsexporter</span> </p>
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<ol style="list-style-type:decimal">
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<li value="2" class="p_Normal">Copy the obtained chart archive <code><b>dbsexporter-X.Y.Z.tgz</b></code> to the server where the installation will take place.</li><li value="3" class="p_Normal">Unpack the chart, and copy the default configuration file <code><b>values.yaml</b></code> to <code><b>values-dbsexporter.yaml</b></code>.</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">tar -xf dbsexporter-X.Y.Z.tgz</span><br />
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<span class="f_CodeExample">cp dbsexporter/values.yaml values-dbsexporter.yaml</span></p>
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</td>
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</tr>
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</table>
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</div>
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<h2 class="p_Heading2"><a id="create-configuration-token" class="hmanchor"></a><span class="f_Heading2">Step 2: Create a configuration token to use MinIO metrics for Prometheus</span></h2>
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<p style="line-height: 1.28; margin: 0 0 11px 0;">Create <code><b>alias</b></code><span style="font-size: 13px;"> </span>and send the command to generate a token by executing the following:</p>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">mc alias set my_alias http://minio.local accessKey secretKey</span><br />
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<span class="f_CodeExample">mc admin prometheus generate my_alias</span></p>
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<h2 class="p_Heading2"><a id="filling-out-configuration-file" class="hmanchor"></a><span class="f_Heading2">Step 3: Fill in the configuration file</span></h2>
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<p class="p_Normal"><a class="dropdown-toggle" style="font-style: normal; font-weight: normal; color: #000000; background-color: transparent; text-decoration: none;" href="javascript:HMToggle('toggle','TOGGLE0186A2')">Fill in the configuration file to install DBSExporter</a></p>
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<div id="TOGGLE0186A2" class="dropdown-toggle-body" style="text-align: left; text-indent: 0; line-height: 1.28; padding: 0 0 0 0; margin: 0 0 11px 0;"><table style="border:none; border-spacing:0;">
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<tr>
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<td style="vertical-align:top; padding:0; border:none"><p class="p_Normal"> <br />
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Use the generated token when configuring the MinIO connection in the <code><b>values-dbsexporter.yaml</b></code> file.</p>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample"> </span><br />
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<span class="f_CodeExample">dbsexporter:</span><br />
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<span class="f_CodeExample"> # Enable chart imports</span><br />
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<span class="f_CodeExample"> grafana-dashboards:</span><br />
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<span class="f_CodeExample"> dashboards:</span><br />
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<span class="f_CodeExample"> enabled: true</span><br />
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<span class="f_CodeExample"> grafanaFolder: dbs</span><br />
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<span class="f_CodeExample"> # MinIO connection settings</span><br />
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<span class="f_CodeExample"> prometheus-minio-exporter:</span><br />
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<span class="f_CodeExample"> nameOverride: minio</span><br />
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<span class="f_CodeExample"> instances:</span><br />
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<span class="f_CodeExample"> - name: minio-job</span><br />
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<span class="f_CodeExample"> token: generated_token</span><br />
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<span class="f_CodeExample"> path: /minio/v2/metrics/cluster</span><br />
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<span class="f_CodeExample"> host: 'minio.local'</span><br />
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<span class="f_CodeExample"> port: 80</span><br />
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<span class="f_CodeExample"> scheme: http</span><br />
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<span class="f_CodeExample"> # MongoDB connection settings</span><br />
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<span class="f_CodeExample"> prometheus-mongodb-exporter:</span><br />
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<span class="f_CodeExample"> nameOverride: mongo</span><br />
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<span class="f_CodeExample"> instances:</span><br />
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<span class="f_CodeExample"> - name: mongodb</span><br />
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<span class="f_CodeExample"> uri: "mongodb://mongodb:27017"</span><br />
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<span class="f_CodeExample"> # Postgres connection settings</span><br />
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<span class="f_CodeExample"> prometheus-postgres-exporter:</span><br />
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<span class="f_CodeExample"> nameOverride: postgres</span><br />
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<span class="f_CodeExample"> config:</span><br />
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<span class="f_CodeExample"> instances:</span><br />
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<span class="f_CodeExample"> - name: postgres</span><br />
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<span class="f_CodeExample"> # Specify a data source amd a data source secret.</span><br />
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<span class="f_CodeExample"> host: 'example.ru'</span><br />
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<span class="f_CodeExample"> user: postgres</span><br />
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<span class="f_CodeExample"> userSecret: {}</span><br />
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<span class="f_CodeExample"> # Secret name</span><br />
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<span class="f_CodeExample"> # name:</span><br />
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<span class="f_CodeExample"> # User key inside the secret</span><br />
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<span class="f_CodeExample"> # key:</span><br />
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<span class="f_CodeExample"> password: postgres_password</span><br />
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<span class="f_CodeExample"> # Specify passwordFile if the database password is stored in a file.</span><br />
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<span class="f_CodeExample"> passwordFile: ''</span><br />
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<span class="f_CodeExample"> # Specify passwordSecret if the database password is stored in a secret.</span><br />
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<span class="f_CodeExample"> passwordSecret: {}</span><br />
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<span class="f_CodeExample"> # Secret name</span><br />
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<span class="f_CodeExample"> # name:</span><br />
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<span class="f_CodeExample"> # Password key inside the secret</span><br />
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<span class="f_CodeExample"> # key:</span><br />
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<span class="f_CodeExample"> pgpassfile: ''</span><br />
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<span class="f_CodeExample"> # If pgpassfile is set, it is used to initialize the environment variable PGPASSFILE.</span><br />
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<span class="f_CodeExample"> port: "5432"</span><br />
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<span class="f_CodeExample"> database: ''</span><br />
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<span class="f_CodeExample"> sslmode: disable</span><br />
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<span class="f_CodeExample"> extraParams: ''</span><br />
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<span class="f_CodeExample"># rabbitMQ connection settings</span><br />
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<span class="f_CodeExample"> prometheus-rabbitmq-exporter:</span><br />
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<span class="f_CodeExample"> nameOverride: rabbitmq</span><br />
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<span class="f_CodeExample"> rabbitmq:</span><br />
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<span class="f_CodeExample"> instances:</span><br />
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<span class="f_CodeExample"> - name: rabbitmq</span><br />
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<span class="f_CodeExample"> url: 'http://rabbitmq:15672'</span><br />
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<span class="f_CodeExample"> user: rabbitmq_user</span><br />
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<span class="f_CodeExample"> password: rabbitmq_password</span><br />
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<span class="f_CodeExample"> # The specified password will be placed in Secret:</span><br />
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<span class="f_CodeExample"> existingPasswordSecret: rabbitmq-secret</span><br />
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<span class="f_CodeExample"> existingPasswordSecretKey: password</span><br />
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<span class="f_CodeExample"> capabilities: bert,no_sort</span><br />
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<span class="f_CodeExample"> include_queues: ".*"</span><br />
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<span class="f_CodeExample"> include_vhost: ".*"</span><br />
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<span class="f_CodeExample"> skip_queues: "^$"</span><br />
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<span class="f_CodeExample"> skip_verify: "false"</span><br />
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<span class="f_CodeExample"> skip_vhost: "^$"</span><br />
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<span class="f_CodeExample"> exporters: "exchange,node,overview,queue"</span><br />
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<span class="f_CodeExample"> output_format: "TTY"</span><br />
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<span class="f_CodeExample"> timeout: 60</span><br />
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<span class="f_CodeExample"> max_queues: 0</span><br />
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<span class="f_CodeExample"> excludeMetrics: ""</span><br />
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<span class="f_CodeExample"> # Allows overriding environment variables using an external ConfigMap.</span><br />
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<span class="f_CodeExample"> configMapOverrideReference: ""</span><br />
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<span class="f_CodeExample"># Redis connection setting</span><br />
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<span class="f_CodeExample"> prometheus-redis-exporter:</span><br />
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<span class="f_CodeExample"> nameOverride: redis</span><br />
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<span class="f_CodeExample"> instances:</span><br />
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<span class="f_CodeExample"> - name: redis1</span><br />
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<span class="f_CodeExample"> redisAddress: 'redis://redis:6379/0'</span></p>
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</td>
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</tr>
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</table>
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</div>
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<p class="p_Normal"><a class="dropdown-toggle" style="font-style: normal; font-weight: normal; color: #000000; background-color: transparent; text-decoration: none;" href="javascript:HMToggle('toggle','TOGGLE0186A3')">Configuring connection parameters to a private registry for installation in a closed environment without internet access</a></p>
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<div id="TOGGLE0186A3" class="dropdown-toggle-body" style="text-align: left; text-indent: 0; line-height: 1.28; padding: 0 0 0 0; margin: 0 0 11px 0;"><table style="border:none; border-spacing:0;">
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<tr>
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<td style="vertical-align:top; padding:0; border:none"><p class="p_Normal"> <br />
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To connect to the private registry:</p>
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<ol style="list-style-type:decimal">
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<li value="1" class="p_Normal">Download BRIX images and upload them to a local image registry. Refer to <a href="downloadin-images-elma365.html" class="topiclink">Download BRIX images</a> for more details.</li><li value="2" class="p_Normal">Specify the address and path for the parameter <code><b>image.repository</b></code>.</li><li value="3" class="p_Normal">Provide the name of the secret with access rights to the private registry in the parameter <code><b>image.pullSecrets</b></code>. The secret must be manually created and encrypted in Base64.</li></ol>
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<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">prometheus-minio-exporter:</span><br />
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<span class="f_CodeExample"># Connection parameters to the private registry</span><br />
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<span class="f_CodeExample"> image:</span><br />
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<span class="f_CodeExample"># Address and path for the private registry</span><br />
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<span class="f_CodeExample"> repository: registry.example.com/minio_exporter</span><br />
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<span class="f_CodeExample"># tag: "1.0.15"</span><br />
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<span class="f_CodeExample"> imagePullSecrets:</span><br />
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<span class="f_CodeExample"> - myRegistryKeySecretName</span><br />
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<span class="f_CodeExample">prometheus-mongodb-exporter:</span><br />
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<span class="f_CodeExample"># Connection parameters to the private registry</span><br />
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<span class="f_CodeExample"> image:</span><br />
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<span class="f_CodeExample"># Address and path for the private registry</span><br />
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<span class="f_CodeExample"> repository: registry.example.com/mongodb_exporter</span><br />
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<span class="f_CodeExample"># tag: "0.31.0"</span><br />
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<span class="f_CodeExample"> imagePullSecrets:</span><br />
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<span class="f_CodeExample"> - myRegistryKeySecretName</span><br />
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<span class="f_CodeExample">prometheus-postgres-exporter:</span><br />
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<span class="f_CodeExample"># Connection parameters to the private registry</span><br />
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<span class="f_CodeExample"> image:</span><br />
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<span class="f_CodeExample"># Address and path for the private registry</span><br />
|
||
<span class="f_CodeExample"> repository: registry.example.com/postgres-exporter</span><br />
|
||
<span class="f_CodeExample"># tag: "v0.13.2"</span><br />
|
||
<span class="f_CodeExample"> imagePullSecrets:</span><br />
|
||
<span class="f_CodeExample"> - myRegistryKeySecretName</span><br />
|
||
<span class="f_CodeExample"># rabbitMQ connection settings</span><br />
|
||
<span class="f_CodeExample">prometheus-rabbitmq-exporter:</span><br />
|
||
<span class="f_CodeExample"># Connection parameters to the private registry</span><br />
|
||
<span class="f_CodeExample"> image:</span><br />
|
||
<span class="f_CodeExample"># Address and path for the private registry</span><br />
|
||
<span class="f_CodeExample"> repository: registry.example.com/rabbitmq-exporter</span><br />
|
||
<span class="f_CodeExample"># tag: "v0.29.0"</span><br />
|
||
<span class="f_CodeExample"> imagePullSecrets:</span><br />
|
||
<span class="f_CodeExample"> - myRegistryKeySecretName</span><br />
|
||
<span class="f_CodeExample">prometheus-redis-exporter:</span><br />
|
||
<span class="f_CodeExample"># Connection parameters to the private registry</span><br />
|
||
<span class="f_CodeExample"># image:</span><br />
|
||
<span class="f_CodeExample"># Address and path for the private registry</span><br />
|
||
<span class="f_CodeExample"> repository: registry.example.com/redis_exporter</span><br />
|
||
<span class="f_CodeExample"># tag: "v1.44.0"</span><br />
|
||
<span class="f_CodeExample"> imagePullSecrets:</span><br />
|
||
<span class="f_CodeExample"> - myRegistryKeySecretName</span> </p>
|
||
<p style="line-height: 1.28; margin: 0 0 11px 0;">Where <span style="font-weight: bold;">repository </span>format is: address — <code><b>registry.example.com</b></code>.</p>
|
||
</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
<p class="p_Normal">You can add the following additional settings in the <code><b>values-dbsexporter.yaml</b></code> configuration file:</p>
|
||
<ol style="list-style-type:decimal">
|
||
<li value="1" class="p_Normal">Connect several databases both internal and external to DBSExporter. To do this, duplicate the parameters of the <code><b>instances</b></code> block and configure the connection parameters for each replica. For example:</li></ol>
|
||
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">instances: </span><br />
|
||
<span class="f_CodeExample"> - name: mongodb-1</span><br />
|
||
<span class="f_CodeExample"> uri: "mongodb://mongodb-1:27017"</span><br />
|
||
<span class="f_CodeExample"> - name: mongodb-2</span><br />
|
||
<span class="f_CodeExample"> uri: "mongodb://mongodb-2:27017"</span></p>
|
||
<ol style="list-style-type:decimal" start="2">
|
||
<li value="2" class="p_Normal">Enable Yandex Cloud metrics collection.</li></ol>
|
||
<p class="p_Normal">Collection of Yandex Cloud metrics is a chargeable service. Read more in the <a href="https://yandex.cloud/en/docs/monitoring/pricing?utm_referrer=about%3Ablank" target="_blank" class="weblink">official documentation of the service</a>.</p>
|
||
<p class="p_Normal">Example of how to enable Yandex Cloud metrics collection:</p>
|
||
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">global:</span><br />
|
||
<span class="f_CodeExample"># Export yandex metrics</span><br />
|
||
<span class="f_CodeExample"> yandexExporter:</span><br />
|
||
<span class="f_CodeExample"> enabled: true</span><br />
|
||
<span class="f_CodeExample"> bearerToken: "your_bearerToken"</span><br />
|
||
<span class="f_CodeExample"> folderId: "your_folderId"</span><br />
|
||
<span class="f_CodeExample"> services: ["managed-mongodb", "managed-postgresql"]</span><br />
|
||
<span class="f_CodeExample"> relabelings: {}</span></p>
|
||
<ol style="list-style-type:decimal" start="3">
|
||
<li value="3" class="p_Normal">Connect Deckhouse with DBSExporter. For example:</li></ol>
|
||
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">global: </span><br />
|
||
<span class="f_CodeExample">provisioner: "deckhouse"</span></p>
|
||
<h2 class="p_Heading2"><a id="node-exporter" class="hmanchor"></a><span class="f_Heading2">Step 4: Install Node Exporter on the database servers</span></h2>
|
||
<p class="p_Normal">To monitor database servers, install Node Exporter. For this:</p>
|
||
<ol style="list-style-type:upper-roman">
|
||
<li value="1" class="p_Normal">Download Node Exporter on the database server:</li></ol>
|
||
<p class="p_CodeExample" style="white-space: normal; page-break-inside: avoid;"><span class="f_CodeExample">wget https://github.com/prometheus/node_exporter/releases/download/v1.8.2/node_exporter-1.8.2.linux-amd64.tar.gz</span></p>
|
||
<ol style="list-style-type:upper-roman" start="2">
|
||
<li value="2" class="p_Normal">Unpack the archive downloaded on the previous step:</li></ol>
|
||
<p class="p_CodeExample" style="white-space: normal; page-break-inside: avoid;"><span class="f_CodeExample">tar xvf node_exporter-1.8.2.linux-amd64.tar.gz && cd node_exporter-1.8.2.linux-amd64</span></p>
|
||
<ol style="list-style-type:upper-roman" start="3">
|
||
<li value="3" class="p_Normal">Copy the <code><b>node_exporter</b></code> file:</li></ol>
|
||
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo cp node_exporter /usr/local/bin/</span></p>
|
||
<ol style="list-style-type:upper-roman" start="4">
|
||
<li value="4" class="p_Normal">Create a user for Node Exporter:</li></ol>
|
||
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo useradd --no-create-home --shell /bin/false nodeusr</span></p>
|
||
<ol style="list-style-type:upper-roman" start="5">
|
||
<li value="5" class="p_Normal">Define the owner for the <code><b>node_exporter</b></code> executable file:</li></ol>
|
||
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo chown -R nodeusr:nodeusr /usr/local/bin/node_exporter;</span></p>
|
||
<ol style="list-style-type:upper-roman" start="6">
|
||
<li value="6" class="p_Normal">Create the <code><b>node_exporter.service</b></code> file to launch Node Exporter as a service:</li></ol>
|
||
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">cat <<EOF | sudo tee /etc/systemd/system/node_exporter.service;</span><br />
|
||
<span class="f_CodeExample">[Unit]</span><br />
|
||
<span class="f_CodeExample">Description=NodeExporter</span><br />
|
||
<span class="f_CodeExample">[Service]</span><br />
|
||
<span class="f_CodeExample">TimeoutStartSec=0</span><br />
|
||
<span class="f_CodeExample">User=nodeusr</span><br />
|
||
<span class="f_CodeExample">ExecStart=/usr/local/bin/node_exporter \</span><br />
|
||
<span class="f_CodeExample">--web.listen-address=:9100</span><br />
|
||
<span class="f_CodeExample">[Install]</span><br />
|
||
<span class="f_CodeExample">WantedBy=multi-user.target</span><br />
|
||
<span class="f_CodeExample">EOF</span></p>
|
||
<ol style="list-style-type:upper-roman" start="7">
|
||
<li value="7" class="p_Normal">Reload <code><b>systemd</b></code> configuration: </li></ol>
|
||
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo systemctl daemon-reload</span></p>
|
||
<ol style="list-style-type:upper-roman" start="8">
|
||
<li value="8" class="p_Normal">Launch the <code><b>node_exporter.service</b></code> service:</li></ol>
|
||
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">sudo systemctl enable --now node_exporter.service</span></p>
|
||
<p class="p_Normal">After installing Node Exporter, fill in the parameters in the <code><b>values-dbsexporter.yaml</b></code> configuration file to monitor the database servers. In this case, host addresses will be extracted from the <code><b>instances</b></code> points of the configuration file. Example of how to set the parameters:</p>
|
||
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample"># Settings of node exporter</span><br />
|
||
<span class="f_CodeExample"> nodeExporter:</span><br />
|
||
<span class="f_CodeExample"> enabled: true</span><br />
|
||
<span class="f_CodeExample"> port: 9100</span><br />
|
||
<span class="f_CodeExample"> relabelings: {}</span></p>
|
||
<h2 class="p_Heading2"><a id="install-chart-dbsexporter" class="hmanchor"></a><span class="f_Heading2">Step 5: Install the DBSExporter chart using Helm in the Kubernetes cluster</span></h2>
|
||
<p style="line-height: 1.28; margin: 0 0 11px 0;">Execute the installation of the DBSExporter chart in <code><b>namespace monitoring</b></code>.</p>
|
||
<p style="line-height: 1.28; margin: 0 0 11px 0;">For online installation:</p>
|
||
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">helm upgrade --install -n monitoring dbsexporter elma365/dbsexporter -f values-dbsexporter.yaml</span></p>
|
||
<p style="line-height: 1.28; margin: 0 0 11px 0;">For offline installation without internet access, navigate to the directory with the downloaded chart and execute the command:</p>
|
||
<p class="p_CodeExample" style="page-break-inside: avoid;"><span class="f_CodeExample">helm upgrade --install dbsexporter ./dbsexporter -f values-dbsexporter.yaml -n monitoring</span></p>
|
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