Merge pull request #4342 from markyjackson-taulia/master

unconference notes from ben the elder kind presentation

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+## Presenter: Ben the Elder
+
+
+#### Topic: Kind
+
+#### Date & time: 11/18/2019 2:00PM
+
+#### Notes
+
+Kind allows you to start a docker image with all the Kubernetes binaries
+The basic workflow is a command that builds Kubernetes and puts it in a docker image.
+After that it's a Kubernetes cluster you just run tests because what's running is a full kubernetes cluster.
+
+Generally speaking you want to run the upstream kubernetes tests.
+You probably want to set a regex focus on tests for your areas.
+
+This runs on pre-submit and release blocking signal. 
+Take the pr code build into an image, create cluster from image and run battery of test
+
+kind = automated kubernetes building for testing strategies.
+
+Does not test block device and it doesn't isolate the block device. 
+
+Ignore privileged containers.
+
+Not everything in Kubernetes can be namespaced because of linux.
+
+kind does not
+
+    * Test block devices
+    * Test the ingress 
+
+Kubernetes uses klog package which is a port from google
+
+kind build node-image
+
+Plan is to build a pre-submit test suite to run a single command and pass a single test.
+
+Kind only builds specific things it needs versus all of the binaries.
+
+Default is kind create cluster --image=/kindtest/default --name cluster_name
+
+Writes to default kube config and you can change this by specifying --kubeconfig=config name
+
+kubectl cluster-info --context kube-kubectl
+
+kind delete cluster --name cluster_name
+
+Some parts of the builds are cached so after the initial build it will use cached items unless things have changed.
+
+There is a config where you can specify how you want your cluster to be set up.
+
+Storage class to handle multiple kind nodes but its not available yet.
+
+Current options only put all workloads on the daemon doing the work
+
+Not true multi-node yet 
+
+With sig-storage they are hoping there is a local storage driver that comes with it. The problem is the deployment mechanism for CSI, PR pending.
+
+Docker with mac containers aren't access via ip.
+
+
+
+Questions:
+
+Has anyone tried to launch kind cluster in pod for testing?
+
+    * You should not do this.
+
+Kubernetes does do this but you shouldn't do this.
+    
+    * secrets don't nest well
+    * you have to make sure you clean up
+    * you have to run a privileged container.
+    
+Is there any way to use it for training for spinning up multiple clusters.
+    
+    * no, and yes. possible with magic.
+
+
+#### Key Learning/Takeaways
+
+Kind can be used to create cluster for testing and a project is in the works to do automated testing build into kind for release to check if prs that are merged are valid and will deploy fine.
+
+
+#### Action items
+- N/A
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