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theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Helm Chart Options</h1></header><h2 class="anchor anchorWithStickyNavbar_LWe7" id="configuring-resource-limits-and-requests">Configuring Resource Limits and Requests<a href="#configuring-resource-limits-and-requests" class="hash-link" aria-label="Direct link to Configuring Resource Limits and Requests" title="Direct link to Configuring Resource Limits and Requests"></a></h2><p>The resource requests and limits can be configured when installing <code>rancher-monitoring</code>.</p><p>The default values are in the <a href="https://github.com/rancher/charts/blob/main/charts/rancher-monitoring/values.yaml" target="_blank" rel="noopener noreferrer">values.yaml</a> in the <code>rancher-monitoring</code> Helm chart.</p><p>The default values in the table below are the minimum required resource limits and requests.</p><table><thead><tr><th>Resource Name</th><th>Memory Limit</th><th>CPU Limit</th><th>Memory Request</th><th>CPU Request</th></tr></thead><tbody><tr><td>alertmanager</td><td>500Mi</td><td>1000m</td><td>100Mi</td><td>100m</td></tr><tr><td>grafana</td><td>200Mi</td><td>200m</td><td>100Mi</td><td>100m</td></tr><tr><td>kube-state-metrics subchart</td><td>200Mi</td><td>100m</td><td>130Mi</td><td>100m</td></tr><tr><td>prometheus-node-exporter subchart</td><td>50Mi</td><td>200m</td><td>30Mi</td><td>100m</td></tr><tr><td>prometheusOperator</td><td>500Mi</td><td>200m</td><td>100Mi</td><td>100m</td></tr><tr><td>prometheus</td><td>2500Mi</td><td>1000m</td><td>1750Mi</td><td>750m</td></tr><tr><td><strong>Total</strong></td><td><strong>3950Mi</strong></td><td><strong>2700m</strong></td><td><strong>2210Mi</strong></td><td><strong>1250m</strong></td></tr></tbody></table><p>At least 50Gi storage is recommended.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="trusted-ca-for-notifiers">Trusted CA for Notifiers<a href="#trusted-ca-for-notifiers" class="hash-link" aria-label="Direct link to Trusted CA for Notifiers" title="Direct link to Trusted CA for Notifiers"></a></h2><p>If you need to add a trusted CA to your notifier, follow these steps:</p><ol><li>Create the <code>cattle-monitoring-system</code> namespace.</li><li>Add your trusted CA secret to the <code>cattle-monitoring-system</code> namespace.</li><li>Deploy or upgrade the <code>rancher-monitoring</code> Helm chart. In the chart options, reference the secret in <strong>Alerting > Additional Secrets</strong>.</li></ol><p><strong>Result:</strong> The default Alertmanager custom resource will have access to your trusted CA.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="additional-scrape-configurations">Additional Scrape Configurations<a href="#additional-scrape-configurations" class="hash-link" aria-label="Direct link to Additional Scrape Configurations" title="Direct link to Additional Scrape Configurations"></a></h2><p>If the scrape configuration you want cannot be specified via a ServiceMonitor or PodMonitor at the moment, you can provide an <code>additionalScrapeConfigSecret</code> on deploying or upgrading <code>rancher-monitoring</code>.</p><p>A <a href="https://prometheus.io/docs/prometheus/latest/configuration/configuration/#scrape_config" target="_blank" rel="noopener noreferrer">scrape_config section</a> specifies a set of targets and parameters describing how to scrape them. In the general case, one scrape configuration specifies a single job.</p><p>An example of where this might be used is with Istio. For more information, see <a href="/integrations-in-rancher/istio/configuration-options/selectors-and-scrape-configurations">this section.</a></p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="configuring-applications-packaged-within-monitoring-v2">Configuring Applications Packaged within Monitoring v2<a href="#configuring-applications-packaged-within-monitoring-v2" class="hash-link" aria-label="Direct link to Configuring Applications Packaged within Monitoring v2" title="Direct link to Configuring Applications Packaged within Monitoring v2"></a></h2><p>We deploy kube-state-metrics and node-exporter with monitoring v2. The node exporters are deployed as DaemonSets. Each of these entities are deployed as sub-charts through the monitoring v2 Helm chart, values.yaml.</p><p>We also deploy Grafana, which is not managed by Prometheus.</p><p>Many values aren’t exposed in the top level chart. However, you can add values to the top level chart to override values that exist in the sub-charts.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="increase-the-replicas-of-alertmanager">Increase the Replicas of Alertmanager<a href="#increase-the-replicas-of-alertmanager" class="hash-link" aria-label="Direct link to Increase the Replicas of Alertmanager" title="Direct link to Increase the Replicas of Alertmanager"></a></h3><p>As part of the chart deployment options, you can opt to increase the number of replicas of the Alertmanager deployed onto your cluster. The replicas can all be managed using the same underlying Alertmanager Config Secret. For more information on the Alertmanager Config Secret, refer to <a href="/how-to-guides/advanced-user-guides/monitoring-v2-configuration-guides/advanced-configuration/alertmanager#multiple-alertmanager-replicas">this section.</a></p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="configuring-the-namespace-for-a-persistent-grafana-dashboard">Configuring the Namespace for a Persistent Grafana Dashboard<a href="#configuring-the-namespace-for-a-persistent-grafana-dashboard" class="hash-link" aria-label="Direct link to Configuring the Namespace for a Persistent Grafana Dashboard" title="Direct link to Configuring the Namespace for a Persistent Grafana Dashboard"></a></h3><p>To specify that you would like Grafana to watch for ConfigMaps across all namespaces, set this value in the <code>rancher-monitoring</code> Helm chart:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">grafana.sidecar.dashboards.searchNamespace=ALL</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>Note that the RBAC roles exposed by the Monitoring chart to add Grafana Dashboards are still restricted to giving permissions for users to add dashboards in the namespace defined in <code>grafana.dashboards.namespace</code>, which defaults to <code>cattle-dashboards</code>.</p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/rancher/rancher-docs/edit/main/docs/reference-guides/monitoring-v2-configuration/helm-chart-options.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_vwxv"><span class="theme-last-updated">Last updated<!-- --> on <b><time datetime="2023-12-06T21:17:31.000Z">Dec 6, 2023</time></b></span></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/reference-guides/monitoring-v2-configuration/servicemonitors-and-podmonitors"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">ServiceMonitor and PodMonitor Configuration</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/reference-guides/monitoring-v2-configuration/examples"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Monitoring Configuration Examples</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#configuring-resource-limits-and-requests" class="table-of-contents__link toc-highlight">Configuring Resource Limits and Requests</a></li><li><a href="#trusted-ca-for-notifiers" class="table-of-contents__link toc-highlight">Trusted CA for Notifiers</a></li><li><a href="#additional-scrape-configurations" class="table-of-contents__link toc-highlight">Additional Scrape Configurations</a></li><li><a href="#configuring-applications-packaged-within-monitoring-v2" class="table-of-contents__link toc-highlight">Configuring Applications Packaged within Monitoring v2</a><ul><li><a href="#increase-the-replicas-of-alertmanager" class="table-of-contents__link toc-highlight">Increase the Replicas of Alertmanager</a></li><li><a href="#configuring-the-namespace-for-a-persistent-grafana-dashboard" class="table-of-contents__link toc-highlight">Configuring the Namespace for a Persistent Grafana Dashboard</a></li></ul></li></ul></div></div></div></div></main></div></div><footer class="footer footer--dark"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2024 SUSE Rancher. 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