Update blog post Scaling a Kubernetes Selenium Grid with KEDA

[deploy site]

Signed-off-by: Viet Nguyen Duc <nguyenducviet4496@gmail.com> 27ee322

Author: selenium-ci

blog/2022/_print/index.html

@@ -248,6 +248,7 @@
 </span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>    </span><span style=color:#204a87;font-weight:700>metadata</span><span style=color:#000;font-weight:700>:</span><span style=color:#f8f8f8;text-decoration:underline>
 </span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>      </span><span style=color:#204a87;font-weight:700>url</span><span style=color:#000;font-weight:700>:</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#4e9a06>&#39;http://selenium-grid-url-or-ip:4444/graphql&#39;</span><span style=color:#f8f8f8;text-decoration:underline>
 </span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>      </span><span style=color:#204a87;font-weight:700>browserName</span><span style=color:#000;font-weight:700>:</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#4e9a06>&#39;chrome&#39;</span><span style=color:#f8f8f8;text-decoration:underline>
+</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>      </span><span style=color:#204a87;font-weight:700>platformName</span><span style=color:#000;font-weight:700>:</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#4e9a06>&#39;Linux&#39;</span><span style=color:#f8f8f8;text-decoration:underline>
 </span></span></span></code></pre></div><p>All of this gets saved as a Scaled-Object like so:</p><div class=highlight><pre tabindex=0 style=background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-yml data-lang=yml><span style=display:flex><span><span style=color:#204a87;font-weight:700>apiVersion</span><span style=color:#000;font-weight:700>:</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#000>keda.sh/v1alpha1</span><span style=color:#f8f8f8;text-decoration:underline>
 </span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>kind</span><span style=color:#000;font-weight:700>:</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#000>ScaledObject</span><span style=color:#f8f8f8;text-decoration:underline>
 </span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>metadata</span><span style=color:#000;font-weight:700>:</span><span style=color:#f8f8f8;text-decoration:underline>
@@ -263,9 +264,13 @@
 </span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>  </span><span style=color:#204a87;font-weight:700>triggers</span><span style=color:#000;font-weight:700>:</span><span style=color:#f8f8f8;text-decoration:underline>
 </span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>    </span>- <span style=color:#204a87;font-weight:700>type</span><span style=color:#000;font-weight:700>:</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#000>selenium-grid</span><span style=color:#f8f8f8;text-decoration:underline>
 </span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>      </span><span style=color:#204a87;font-weight:700>metadata</span><span style=color:#000;font-weight:700>:</span><span style=color:#f8f8f8;text-decoration:underline>
-</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>        </span><span style=color:#204a87;font-weight:700>url</span><span style=color:#000;font-weight:700>:</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#4e9a06>&#39;https://selenium-grid-url-or-ip:4444/graphql&#39;</span><span style=color:#f8f8f8;text-decoration:underline>
+</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>        </span><span style=color:#204a87;font-weight:700>url</span><span style=color:#000;font-weight:700>:</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#4e9a06>&#39;http://selenium-grid-url-or-ip:4444/graphql&#39;</span><span style=color:#f8f8f8;text-decoration:underline>
 </span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>        </span><span style=color:#204a87;font-weight:700>browserName</span><span style=color:#000;font-weight:700>:</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#4e9a06>&#39;chrome&#39;</span><span style=color:#f8f8f8;text-decoration:underline>
-</span></span></span></code></pre></div><p>As an added bonus KEDA allows us to scale our deployments down to
+</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>        </span><span style=color:#204a87;font-weight:700>platformName</span><span style=color:#000;font-weight:700>:</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#4e9a06>&#39;Linux&#39;</span><span style=color:#f8f8f8;text-decoration:underline>
+</span></span></span></code></pre></div><p>Send the request to Grid, for example in Python client:</p><div class=highlight><pre tabindex=0 style=background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-python data-lang=python><span style=display:flex><span><span style=color:#000>options</span> <span style=color:#ce5c00;font-weight:700>=</span> <span style=color:#000>ChromeOptions</span><span style=color:#000;font-weight:700>()</span>
+</span></span><span style=display:flex><span><span style=color:#000>options</span><span style=color:#ce5c00;font-weight:700>.</span><span style=color:#000>set_capability</span><span style=color:#000;font-weight:700>(</span><span style=color:#4e9a06>&#39;platformName&#39;</span><span style=color:#000;font-weight:700>,</span> <span style=color:#4e9a06>&#39;Linux&#39;</span><span style=color:#000;font-weight:700>)</span>
+</span></span><span style=display:flex><span><span style=color:#000>driver</span> <span style=color:#ce5c00;font-weight:700>=</span> <span style=color:#000>webdriver</span><span style=color:#ce5c00;font-weight:700>.</span><span style=color:#000>Remote</span><span style=color:#000;font-weight:700>(</span><span style=color:#000>options</span><span style=color:#ce5c00;font-weight:700>=</span><span style=color:#000>options</span><span style=color:#000;font-weight:700>,</span> <span style=color:#000>command_executor</span><span style=color:#ce5c00;font-weight:700>=</span><span style=color:#4e9a06>&#39;http://selenium-grid-url-or-ip:4444/wd/hub&#39;</span><span style=color:#000;font-weight:700>)</span>
+</span></span></code></pre></div><p>As an added bonus KEDA allows us to scale our deployments down to
 0 when there is no use, something the normal out-of-the-box HPA
 does not allow.</p><p>Check more details at <a href=https://keda.sh/docs/latest/concepts/scaling-deployments/>the documentation for Scaled-Object in KEDA</a>.</p><p>A full example of how to implement this is further down in the article
 but KEDA solves one of our two issues. Now we can properly scale up and