Clarify helm documentation, keel and tiller must share namespace

v1/guide/documentation.html

@@ -370,6 +370,7 @@ <h3 id="DaemonSet-polling-example"><a href="#DaemonSet-polling-example" class="h
 <figure class="highlight yaml"><table><tr><td class="code"><pre><span class="line"><span class="attr">apiVersion:</span> <span class="string">apps/v1</span></span><br><span class="line"><span class="attr">kind:</span> <span class="string">DaemonSet</span></span><br><span class="line"><span class="attr">metadata:</span></span><br><span class="line"><span class="attr">  name:</span> <span class="string">wd-ds</span></span><br><span class="line"><span class="attr">  namespace:</span> <span class="string">default</span></span><br><span class="line"><span class="attr">  labels:</span> </span><br><span class="line"><span class="attr">      name:</span> <span class="string">"wd"</span></span><br><span class="line">      <span class="string">keel.sh/policy:</span> <span class="string">minor</span></span><br><span class="line">      <span class="string">keel.sh/trigger:</span> <span class="string">poll</span>            </span><br><span class="line"><span class="attr">  annotations:</span></span><br><span class="line">      <span class="string">keel.sh/pollSchedule:</span> <span class="string">"@every 1m"</span>          </span><br><span class="line"><span class="attr">spec:</span></span><br><span class="line"><span class="attr">  selector:</span></span><br><span class="line"><span class="attr">    matchLabels:</span></span><br><span class="line"><span class="attr">      name:</span> <span class="string">wd-ds</span></span><br><span class="line"><span class="attr">  template:</span></span><br><span class="line"><span class="attr">    metadata:</span></span><br><span class="line"><span class="attr">      labels:</span></span><br><span class="line"><span class="attr">        name:</span> <span class="string">wd-ds</span></span><br><span class="line"><span class="attr">    spec:</span>      </span><br><span class="line"><span class="attr">      containers:</span></span><br><span class="line"><span class="attr">      - name:</span> <span class="string">wd-ds</span></span><br><span class="line"><span class="attr">        image:</span> <span class="string">karolisr/webhook-demo:0.0.8</span></span><br><span class="line"><span class="attr">        imagePullPolicy:</span> <span class="string">Always</span>            </span><br><span class="line"><span class="attr">        name:</span> <span class="string">wd</span></span><br><span class="line"><span class="attr">        command:</span> <span class="string">["/bin/webhook-demo"]</span></span><br><span class="line"><span class="attr">        ports:</span></span><br><span class="line"><span class="attr">          - containerPort:</span> <span class="number">8090</span>       </span><br><span class="line"><span class="attr">        livenessProbe:</span></span><br><span class="line"><span class="attr">          httpGet:</span></span><br><span class="line"><span class="attr">            path:</span> <span class="string">/healthz</span></span><br><span class="line"><span class="attr">            port:</span> <span class="number">8090</span></span><br><span class="line"><span class="attr">          initialDelaySeconds:</span> <span class="number">30</span></span><br><span class="line"><span class="attr">          timeoutSeconds:</span> <span class="number">10</span></span><br><span class="line"><span class="attr">        securityContext:</span></span><br><span class="line"><span class="attr">          privileged:</span> <span class="literal">true</span></span><br></pre></td></tr></table></figure>
 <h3 id="Helm"><a href="#Helm" class="headerlink" title="Helm"></a>Helm</h3><p>Helm helps you manage Kubernetes applications — Helm Charts helps you define, install, and upgrade even the most complex Kubernetes application. More information can be found on project’s website <a href="https://helm.sh/" target="_blank" rel="noopener">https://helm.sh/</a>. </p>
 <p>Keel works directly with Tiller (a daemon that is used by Helm CLI) to manage release upgrades when new images are available. </p>
+<blockquote><p><strong>Note</strong>: Keel must be installed into the same namespace as Tiller, typically <code>kube-system</code></p></blockquote>
 <h3 id="Helm-example"><a href="#Helm-example" class="headerlink" title="Helm example"></a>Helm example</h3><p>Keel is configured through your chart’s <code>values.yaml</code> file.</p>
 <p>Here is an example application <code>values.yaml</code> file where we instruct Keel to track and update specific values whenever there is a new version:</p>
 <figure class="highlight yaml"><table><tr><td class="code"><pre><span class="line"><span class="attr">replicaCount:</span> <span class="number">1</span></span><br><span class="line"><span class="attr">image:</span></span><br><span class="line"><span class="attr">  repository:</span> <span class="string">karolisr/webhook-demo</span></span><br><span class="line"><span class="attr">  tag:</span> <span class="string">"0.0.8"</span></span><br><span class="line"><span class="attr">  pullPolicy:</span> <span class="string">IfNotPresent</span></span><br><span class="line"><span class="attr">service:</span></span><br><span class="line"><span class="attr">  name:</span> <span class="string">webhookdemo</span></span><br><span class="line"><span class="attr">  type:</span> <span class="string">ClusterIP</span></span><br><span class="line"><span class="attr">  externalPort:</span> <span class="number">8090</span></span><br><span class="line"><span class="attr">  internalPort:</span> <span class="number">8090</span></span><br><span class="line"></span><br><span class="line"><span class="attr">keel:</span></span><br><span class="line">  <span class="comment"># keel policy (all/major/minor/patch/force)</span></span><br><span class="line"><span class="attr">  policy:</span> <span class="string">all</span></span><br><span class="line">  <span class="comment"># images to track and update</span></span><br><span class="line"><span class="attr">  images:</span></span><br><span class="line"><span class="attr">    - repository:</span> <span class="string">image.repository</span> <span class="comment"># [1]</span></span><br><span class="line"><span class="attr">      tag:</span> <span class="string">image.tag</span>  <span class="comment"># [2]</span></span><br></pre></td></tr></table></figure>
@@ -607,4 +608,4 @@ <h3 id="Overriding-default-channels-per-deployment"><a href="#Overriding-default
       </script>
   </body>
 
-  </html>
+  </html>