442 lines
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442 lines
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<main>
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<h1 id="update-infrastructure-guide"><a class="header" href="#update-infrastructure-guide">Update Infrastructure Guide</a></h1>
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<p>Guide for safely updating existing infrastructure deployments.</p>
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<h2 id="overview"><a class="header" href="#overview">Overview</a></h2>
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<p>This guide covers strategies and procedures for updating provisioned infrastructure, including servers, task services, and cluster configurations.</p>
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<h2 id="prerequisites"><a class="header" href="#prerequisites">Prerequisites</a></h2>
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<p>Before updating infrastructure:</p>
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<ul>
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<li>✅ Backup current configuration</li>
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<li>✅ Test updates in development environment</li>
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<li>✅ Review changelog and breaking changes</li>
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<li>✅ Schedule maintenance window</li>
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</ul>
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<h2 id="update-strategies"><a class="header" href="#update-strategies">Update Strategies</a></h2>
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<h3 id="1-in-place-update"><a class="header" href="#1-in-place-update">1. In-Place Update</a></h3>
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<p>Update existing resources without replacement:</p>
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<pre><code class="language-bash"># Check for available updates
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provisioning version check
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# Update specific taskserv
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provisioning taskserv update kubernetes --version 1.29.0 --check
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# Update all taskservs
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provisioning taskserv update --all --check
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</code></pre>
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<p><strong>Pros</strong>: Fast, no downtime
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<strong>Cons</strong>: Risk of service interruption</p>
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<hr />
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<h3 id="2-rolling-update"><a class="header" href="#2-rolling-update">2. Rolling Update</a></h3>
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<p>Update resources one at a time:</p>
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<pre><code class="language-bash"># Enable rolling update strategy
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provisioning config set update.strategy rolling
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# Update cluster with rolling strategy
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provisioning cluster update my-cluster --rolling --max-unavailable 1
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</code></pre>
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<p><strong>Pros</strong>: No downtime, gradual rollout
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<strong>Cons</strong>: Slower, requires multiple nodes</p>
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<hr />
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<h3 id="3-blue-green-deployment"><a class="header" href="#3-blue-green-deployment">3. Blue-Green Deployment</a></h3>
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<p>Create new infrastructure alongside old:</p>
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<pre><code class="language-bash"># Create new "green" environment
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provisioning workspace create my-cluster-green
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# Deploy updated infrastructure
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provisioning cluster create my-cluster --workspace my-cluster-green
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# Test green environment
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provisioning test env cluster my-cluster-green
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# Switch traffic to green
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provisioning cluster switch my-cluster-green --production
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# Cleanup old "blue" environment
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provisioning workspace delete my-cluster-blue --confirm
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</code></pre>
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<p><strong>Pros</strong>: Zero downtime, easy rollback
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<strong>Cons</strong>: Requires 2x resources temporarily</p>
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<hr />
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<h2 id="update-procedures"><a class="header" href="#update-procedures">Update Procedures</a></h2>
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<h3 id="updating-task-services"><a class="header" href="#updating-task-services">Updating Task Services</a></h3>
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<pre><code class="language-bash"># List installed taskservs with versions
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provisioning taskserv list --with-versions
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# Check for updates
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provisioning taskserv check-updates
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# Update specific service
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provisioning taskserv update kubernetes \
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--version 1.29.0 \
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--backup \
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--check
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# Verify update
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provisioning taskserv status kubernetes
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</code></pre>
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<h3 id="updating-server-configuration"><a class="header" href="#updating-server-configuration">Updating Server Configuration</a></h3>
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<pre><code class="language-bash"># Update server plan (resize)
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provisioning server update web-01 \
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--plan 4xCPU-8GB \
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--check
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# Update server zone (migrate)
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provisioning server migrate web-01 \
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--to-zone us-west-2 \
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--check
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</code></pre>
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<h3 id="updating-cluster-configuration"><a class="header" href="#updating-cluster-configuration">Updating Cluster Configuration</a></h3>
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<pre><code class="language-bash"># Update cluster configuration
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provisioning cluster update my-cluster \
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--config updated-config.k \
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--backup \
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--check
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# Apply configuration changes
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provisioning cluster apply my-cluster
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</code></pre>
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<h2 id="rollback-procedures"><a class="header" href="#rollback-procedures">Rollback Procedures</a></h2>
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<p>If update fails, rollback to previous state:</p>
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<pre><code class="language-bash"># List available backups
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provisioning backup list
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# Rollback to specific backup
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provisioning backup restore my-cluster-20251010-1200 --confirm
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# Verify rollback
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provisioning cluster status my-cluster
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</code></pre>
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<h2 id="post-update-verification"><a class="header" href="#post-update-verification">Post-Update Verification</a></h2>
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<p>After updating, verify system health:</p>
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<pre><code class="language-bash"># Check system status
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provisioning status
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# Verify all services
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provisioning taskserv list --health
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# Run smoke tests
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provisioning test quick kubernetes
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provisioning test quick postgres
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# Check orchestrator
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provisioning workflow orchestrator
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</code></pre>
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<h2 id="update-best-practices"><a class="header" href="#update-best-practices">Update Best Practices</a></h2>
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<h3 id="before-update"><a class="header" href="#before-update">Before Update</a></h3>
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<ol>
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<li><strong>Backup everything</strong>: <code>provisioning backup create --all</code></li>
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<li><strong>Review docs</strong>: Check taskserv update notes</li>
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<li><strong>Test first</strong>: Use test environment</li>
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<li><strong>Schedule window</strong>: Plan for maintenance time</li>
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</ol>
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<h3 id="during-update"><a class="header" href="#during-update">During Update</a></h3>
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<ol>
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<li><strong>Monitor logs</strong>: <code>provisioning logs follow</code></li>
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<li><strong>Check health</strong>: <code>provisioning health</code> continuously</li>
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<li><strong>Verify phases</strong>: Ensure each phase completes</li>
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<li><strong>Document changes</strong>: Keep update log</li>
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</ol>
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<h3 id="after-update"><a class="header" href="#after-update">After Update</a></h3>
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<ol>
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<li><strong>Verify functionality</strong>: Run test suite</li>
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<li><strong>Check performance</strong>: Monitor metrics</li>
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<li><strong>Review logs</strong>: Check for errors</li>
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<li><strong>Update documentation</strong>: Record changes</li>
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<li><strong>Cleanup</strong>: Remove old backups after verification</li>
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</ol>
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<h2 id="automated-updates"><a class="header" href="#automated-updates">Automated Updates</a></h2>
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<p>Enable automatic updates for non-critical updates:</p>
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<pre><code class="language-bash"># Configure auto-update policy
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provisioning config set auto-update.enabled true
|
||
|
|
provisioning config set auto-update.strategy minor
|
||
|
|
provisioning config set auto-update.schedule "0 2 * * 0" # Weekly Sunday 2AM
|
||
|
|
|
||
|
|
# Check auto-update status
|
||
|
|
provisioning config show auto-update
|
||
|
|
</code></pre>
|
||
|
|
<h2 id="update-notifications"><a class="header" href="#update-notifications">Update Notifications</a></h2>
|
||
|
|
<p>Configure notifications for update events:</p>
|
||
|
|
<pre><code class="language-bash"># Enable update notifications
|
||
|
|
provisioning config set notifications.updates.enabled true
|
||
|
|
provisioning config set notifications.updates.email "admin@example.com"
|
||
|
|
|
||
|
|
# Test notifications
|
||
|
|
provisioning test notification update-available
|
||
|
|
</code></pre>
|
||
|
|
<h2 id="troubleshooting-updates"><a class="header" href="#troubleshooting-updates">Troubleshooting Updates</a></h2>
|
||
|
|
<h3 id="common-issues"><a class="header" href="#common-issues">Common Issues</a></h3>
|
||
|
|
<p><strong>Update Fails Mid-Process</strong>:</p>
|
||
|
|
<pre><code class="language-bash"># Check update status
|
||
|
|
provisioning update status
|
||
|
|
|
||
|
|
# Resume failed update
|
||
|
|
provisioning update resume --from-checkpoint
|
||
|
|
|
||
|
|
# Or rollback
|
||
|
|
provisioning update rollback
|
||
|
|
</code></pre>
|
||
|
|
<p><strong>Service Incompatibility</strong>:</p>
|
||
|
|
<pre><code class="language-bash"># Check compatibility
|
||
|
|
provisioning taskserv compatibility kubernetes 1.29.0
|
||
|
|
|
||
|
|
# See dependency tree
|
||
|
|
provisioning taskserv dependencies kubernetes
|
||
|
|
</code></pre>
|
||
|
|
<p><strong>Configuration Conflicts</strong>:</p>
|
||
|
|
<pre><code class="language-bash"># Validate configuration
|
||
|
|
provisioning validate config
|
||
|
|
|
||
|
|
# Show configuration diff
|
||
|
|
provisioning config diff --before --after
|
||
|
|
</code></pre>
|
||
|
|
<h2 id="related-documentation"><a class="header" href="#related-documentation">Related Documentation</a></h2>
|
||
|
|
<ul>
|
||
|
|
<li><strong><a href="../quickstart/01-prerequisites.html">Quick Start Guide</a></strong> - Initial setup</li>
|
||
|
|
<li><strong><a href="../user/SERVICE_MANAGEMENT_GUIDE.html">Service Management</a></strong> - Service operations</li>
|
||
|
|
<li><strong><a href="../operations/backup-restore.html">Backup & Restore</a></strong> - Backup procedures</li>
|
||
|
|
<li><strong><a href="../user/troubleshooting-guide.html">Troubleshooting</a></strong> - Common issues</li>
|
||
|
|
</ul>
|
||
|
|
<hr />
|
||
|
|
<p><strong>Need Help?</strong> Run <code>provisioning help update</code> or see <a href="../user/troubleshooting-guide.html">Troubleshooting Guide</a>.</p>
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