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| <h1>Questions and answers</h1> |
| <p class="lead">You have questions? We might have some answers!</p> |
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| <a href="#what-packages-can-use">What packages can use?</a> |
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| <a href="#what-is-required-to-create-a-new-package">What is required to create a new package?</a> |
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| <a href="#why-are-you-using-insecure-settings">Why are you using insecure settings?</a> |
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| <h3 id="what-packages-can-use">What packages can use?</h3><p>Packages must be self-contained, and not require any additional external service in order to run.</p> |
| |
| <p>It should be possible to simply start up a local cluster in <a href="https://kubernetes.io/docs/setup/learning-environment/minikube/" title="Minikube">Minikube</a> and deploy it right away. At the same time it should be possible to |
| run them on any other Kubernetes based solution, in the real cloud.</p> |
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| </section> |
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| <h3 id="what-is-required-to-create-a-new-package">What is required to create a new package?</h3><p>We have a full page dedicated to this question: <a href="/packages/contribute/">Contribute</a>.</p> |
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| <section> |
| <h3 id="who-is-involved-in-this-project">Who is involved in this project?</h3><p>Take a look at the <a href="https://projects.eclipse.org/projects/iot.packages/who">Who’s Involved</a> page of the project.</p> |
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| <h3 id="why-aren-t-you-using-tiller">Why aren't you using Tiller?</h3><div role="alert" class="alert alert-info"> |
| This only applies to Helm 2. Tiller is no longer present in Helm 3. |
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| <p>Tiller is a server side component for Helm 2. It allows the Helm client, which is on your local machine, |
| to talk to the cluster, and let it perform the deployment.</p> |
| |
| <p>There are several aspects to that, which make the use of Tiller complicated. The main concern is security |
| (also see <a href="https://engineering.bitnami.com/articles/helm-security.html">Exploring the Security of Helm</a>). |
| The default deployment of Tiller is rather insecure. That may work on a local instance of Kubernetes, |
| but not when using an actual, hosted version.</p> |
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| <p>And while you can configure Tiller to be less insecure, and also work on a multi-tenant cluster, this might |
| require permissions you don’t have on that cluster. And require additional steps to set up Tiller first.</p> |
| |
| <p>On the other hand, this project is about getting you started with IoT, not about administrating Tiller. |
| And since Helm allows to locally generate the YAML files, required for deployment, it seems much easier |
| to only use Helm as a template tool, and use standard Kubernetes tooling to perform the deployment.</p> |
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| </section> |
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| <section> |
| <h3 id="why-are-you-using-insecure-settings">Why are you using insecure settings?</h3><p>Every now and then, you might spot a <code class="highlighter-rouge">--insecure</code> (or equivalent settings) |
| in the commands.</p> |
| |
| <p>It is unfortunate, but sometimes it is necessary. With the availability of |
| <a href="https://letsencryt.org">Let’s Encrypt</a>, it would actually be rather simple |
| to add proper TLS certificates. But when you are running a local <code class="highlighter-rouge">minikube</code> |
| instance, you can’t properly use certificates. Also does the process of getting |
| a proper Let’s Encrypt certificate still need a significant effort and understanding, |
| on the user side, especially when requesting a wildcard certificate.</p> |
| |
| <p>You are encouraged to try with a proper certificate though, and drop the <code class="highlighter-rouge">--insecure</code> |
| for commands.</p> |
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| </section> |
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| <h3 id="my-question-isn-t-answered-here">My question isn't answered here!</h3><p>Your chance to contribute! Raise the question on GitHub, and we will take a look.</p> |
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