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<title data-rh="true">Bundle Lifecycle | Fleet</title><meta data-rh="true" name="viewport" content="width=device-width,initial-scale=1"><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:url" content="https://fleet.rancher.io/ref-bundle-stages"><meta data-rh="true" name="docusaurus_locale" content="en"><meta data-rh="true" name="docsearch:language" content="en"><meta data-rh="true" name="docusaurus_version" content="current"><meta data-rh="true" name="docusaurus_tag" content="docs-default-current"><meta data-rh="true" name="docsearch:version" content="current"><meta data-rh="true" name="docsearch:docusaurus_tag" content="docs-default-current"><meta data-rh="true" property="og:title" content="Bundle Lifecycle | Fleet"><meta data-rh="true" name="description" content="A bundle is an internal resource used for the orchestration of resources from git. When a GitRepo is scanned it will produce one or more bundles."><meta data-rh="true" property="og:description" content="A bundle is an internal resource used for the orchestration of resources from git. When a GitRepo is scanned it will produce one or more bundles."><link data-rh="true" rel="icon" href="/img/favicon.ico"><link data-rh="true" rel="canonical" href="https://fleet.rancher.io/ref-bundle-stages"><link data-rh="true" rel="alternate" href="https://fleet.rancher.io/ref-bundle-stages" hreflang="en"><link data-rh="true" rel="alternate" href="https://fleet.rancher.io/ref-bundle-stages" hreflang="x-default"><link data-rh="true" rel="preconnect" href="https://5YEVIM7OXD-dsn.algolia.net" crossorigin="anonymous"><link rel="search" type="application/opensearchdescription+xml" title="Fleet" href="/opensearch.xml"><link rel="stylesheet" href="/assets/css/styles.ff6ab72e.css">
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aria-expanded="true" href="/enableexperimental">Experimental Features</a></div><ul style="display:block;overflow:visible;height:auto" class="menu__list"><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link" tabindex="0" href="/enableexperimental">How to enable experimental features</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link" tabindex="0" href="/oci-storage">OCI Storage</a></li></ul></li></ul></nav></div></div></aside><main class="docMainContainer_gTbr"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_VOVn"><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">Explanations</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Bundle Lifecycle</span><meta itemprop="position" content="2"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: Next 🚧</span><div class="tocCollapsible_ETCw 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"><h1>Bundle Lifecycle</h1><p>A bundle is an internal resource used for the orchestration of resources from git. When a GitRepo is scanned it will produce one or more bundles.</p><p>To demonstrate the life cycle of a Fleet bundle, we will use <a href="https://github.com/rancher/fleet-examples/tree/master/multi-cluster/helm" target="_blank" rel="noopener noreferrer">multi-cluster/helm</a> as a case study.</p><ol><li>User will create a <a href="/gitrepo-add#create-gitrepo-instance">GitRepo</a> that points to the multi-cluster/helm repository.</li><li>The <code>gitjob-controller</code> will sync changes from the GitRepo and detect changes from the polling or <a href="/webhook">webhook event</a>. With every commit change, the <code>gitjob-controller</code> will create a job that clones the git repository, reads content from the repo such as <code>fleet.yaml</code> and other manifests, and creates the Fleet <a href="/ref-status-fields#bundles">bundle</a>.</li></ol><blockquote><p><strong>Note:</strong> The job pod with the image name <code>rancher/tekton-utils</code> will be under the same namespace as the GitRepo.</p></blockquote><ol start="3"><li>The <code>fleet-controller</code> then syncs changes from the bundle. According to the targets, the <code>fleet-controller</code> will create <code>BundleDeployment</code> resources, which are a combination of a bundle and a target cluster.</li><li>The <code>fleet-agent</code> will then pull the <code>BundleDeployment</code> from the Fleet controlplane. The agent deploys bundle manifests as a <a href="https://helm.sh/docs/intro/install/" target="_blank" rel="noopener noreferrer">Helm chart</a> from the <code>BundleDeployment</code> into the downstream clusters.</li><li>The <code>fleet-agent</code> will continue to monitor the application bundle and report statuses back in the following order: bundledeployment &gt; bundle &gt; GitRepo &gt; cluster.</li></ol><p>This diagram shows the different rendering stages a bundle goes through until deployment.</p><p><img loading="lazy" alt="Bundle Stages" src="/assets/images/FleetBundleStages-900b0623b70f16e5d1800ea59245458a.svg" width="719" height="811" class="img_ev3q"></p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="examining-the-bundle-lifecycle-with-the-cli">Examining the Bundle Lifecycle With the CLI<a href="#examining-the-bundle-lifecycle-with-the-cli" class="hash-link" aria-label="Direct link to Examining the Bundle Lifecycle With the CLI" title="Direct link to Examining the Bundle Lifecycle With the CLI"></a></h2><p>Several fleet CLI commands help with debugging bundles.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="fleet-apply">fleet apply<a href="#fleet-apply" class="hash-link" aria-label="Direct link to fleet apply" title="Direct link to fleet apply"></a></h3><p><a href="/cli/fleet-cli/fleet_apply">Apply</a> renders a folder with Kubernetes resources, such as a Helm chart, manifests, or kustomize folders, into a Fleet bundle resource.</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">git clone https://github.com/rancher/fleet-test-data</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">cd fleet-test-data</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">fleet apply -n fleet-local -o bundle.yaml testbundle simple-chart/</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>More information on how to create bundles with <code>fleet apply</code> can be found in the <a href="https://fleet.rancher.io/bundle-add" target="_blank" rel="noopener noreferrer">section on bundles</a>.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="fleet-target">fleet target<a href="#fleet-target" class="hash-link" aria-label="Direct link to fleet target" title="Direct link to fleet target"></a></h3><p><a href="/cli/fleet-cli/fleet_target">Target</a> reads a bundle from a file and works with a live cluster to print out the <code>bundledeployment</code> &amp; <code>content</code> resource, which fleetcontroller would create. It takes a namespace as an argument, so it can look in that namespace for e.g. cluster resources. It can also dump the data structure which is used during &quot;targeting&quot;, so decisions taken regarding labels and cluster names can be checked.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="fleet-deploy">fleet deploy<a href="#fleet-deploy" class="hash-link" aria-label="Direct link to fleet deploy" title="Direct link to fleet deploy"></a></h3><p><a href="/cli/fleet-cli/fleet_deploy">Deploy</a> takes the output of <code>fleet target</code>, or a dumped bundledeployment/content resource and deploys it to a cluster, just like fleet-agent would. It supports a dry run mode, to print out the resources which would be created, instead of installing them with helm. Since the command doesn&#x27;t create the input resources, a running fleet-agent would likely garbage collect the deployment.</p><p>The deploy command can be used to bring bundles to air-gapped clusters.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="lifecycle-cli-example">Lifecycle CLI Example<a href="#lifecycle-cli-example" class="hash-link" aria-label="Direct link to Lifecycle CLI Example" title="Direct link to Lifecycle CLI Example"></a></h3><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">git clone https://github.com/rancher/fleet-test-data</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">cd fleet-test-data</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"># for information about apply see https://fleet.rancher.io/bundle-add</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">fleet apply -n fleet-local -o bundle.yaml testbundle simple-chart/</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">fleet target --bundle-file bundle.yaml --list-inputs &gt; bd.yaml</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">fleet deploy --input-file bd.yaml --dry-run</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></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/fleet-docs/edit/main/docs/ref-bundle-stages.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="2024-10-18T11:42:02.000Z">Oct 18, 2024</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="/concepts"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Core Concepts</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/gitrepo-content"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Git Repository Contents</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="#examining-the-bundle-lifecycle-with-the-cli" class="table-of-contents__link toc-highlight">Examining the Bundle Lifecycle With the CLI</a><ul><li><a href="#fleet-apply" class="table-of-contents__link toc-highlight">fleet apply</a></li><li><a href="#fleet-target" class="table-of-contents__link toc-highlight">fleet target</a></li><li><a href="#fleet-deploy" class="table-of-contents__link toc-highlight">fleet deploy</a></li><li><a href="#lifecycle-cli-example" class="table-of-contents__link toc-highlight">Lifecycle CLI Example</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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