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<!DOCTYPE HTML>
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<title>Provisioning with Terraform · IBM Cloud Kubernetes Service Lab</title>
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<li class="header">Introduction</li>
<li class="chapter " data-level="1.1" data-path="./">
<a href="./">
<b>1.1.</b>
Lab Overview
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</li>
<li class="header">Preparation</li>
<li class="chapter " data-level="2.1" data-path="prepare-prereq.html">
<a href="prepare-prereq.html">
<b>2.1.</b>
Pre-Requisites
</a>
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<li class="chapter " data-level="2.2" data-path="prepare-plugins.html">
<a href="prepare-plugins.html">
<b>2.2.</b>
Install Container Plugins
</a>
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<li class="chapter " data-level="2.3" data-path="prepare-cli.html">
<a href="prepare-cli.html">
<b>2.3.</b>
Main command lines
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<li class="chapter " data-level="2.4" data-path="prepare-get-cluster.html">
<a href="prepare-get-cluster.html">
<b>2.4.</b>
Get a cluster
</a>
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<li class="header">Lab 1 - Deploy an app in a Kubernetes cluster</li>
<li class="chapter " data-level="3.1" data-path="view-cluster.html">
<a href="view-cluster.html">
<b>3.1.</b>
View your cluster
</a>
</li>
<li class="chapter " data-level="3.2" data-path="kube-dashboard.html">
<a href="kube-dashboard.html">
<b>3.2.</b>
Kubernetes Dashboard
</a>
</li>
<li class="chapter " data-level="3.3" data-path="connect-via-cli.html">
<a href="connect-via-cli.html">
<b>3.3.</b>
Connect via CLI
</a>
</li>
<li class="chapter " data-level="3.4" data-path="get-app.html">
<a href="get-app.html">
<b>3.4.</b>
Get and run the app locally
</a>
</li>
<li class="chapter " data-level="3.5" data-path="docker-build.html">
<a href="docker-build.html">
<b>3.5.</b>
Build docker image
</a>
</li>
<li class="chapter " data-level="3.6" data-path="docker-push.html">
<a href="docker-push.html">
<b>3.6.</b>
Push docker image
</a>
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<li class="chapter " data-level="3.7" data-path="deploy-app.html">
<a href="deploy-app.html">
<b>3.7.</b>
Deploy app
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<a href="scale-app.html">
<b>3.8.</b>
Scale app
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<a href="connect-database.html">
<b>3.9.</b>
Optional: Connect to a database
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<li class="chapter " data-level="3.10" data-path="test-resiliency.html">
<a href="test-resiliency.html">
<b>3.10.</b>
Optional: Test the resiliency
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<li class="chapter " data-level="3.11" data-path="clean-up.html">
<a href="clean-up.html">
<b>3.11.</b>
Clean up
</a>
</li>
<li class="header">Lab 2 - DevOps and Helm charts</li>
<li class="chapter " data-level="4.1" data-path="devops-helm.html">
<a href="devops-helm.html">
<b>4.1.</b>
Deploy with Helm
</a>
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<li class="chapter " data-level="4.2" data-path="devops-continuous-delivery.html">
<a href="devops-continuous-delivery.html">
<b>4.2.</b>
Deploy with Continuous Delivery
</a>
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<li class="chapter " data-level="4.3" data-path="monitor-debug.html">
<a href="monitor-debug.html">
<b>4.3.</b>
Optional: Troubleshoot and Debug
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<li class="header">Lab 3 - Monitor your cluster</li>
<li class="chapter " data-level="5.1" data-path="monitor-cluster-logs.html">
<a href="monitor-cluster-logs.html">
<b>5.1.</b>
Cluster Logs
</a>
</li>
<li class="chapter " data-level="5.2" data-path="monitor-cluster-metrics.html">
<a href="monitor-cluster-metrics.html">
<b>5.2.</b>
Monitoring your cluster
</a>
</li>
<li class="header">Advanced</li>
<li class="chapter " data-level="6.1" data-path="appendix-create-cluster-cli.html">
<a href="appendix-create-cluster-cli.html">
<b>6.1.</b>
Create a cluster with CLI
</a>
</li>
<li class="chapter " data-level="6.2" data-path="appendix-create-cluster-ui.html">
<a href="appendix-create-cluster-ui.html">
<b>6.2.</b>
Create a cluster in the Console
</a>
</li>
<li class="chapter " data-level="6.3" data-path="weavescope.html">
<a href="weavescope.html">
<b>6.3.</b>
Weavescope
</a>
</li>
<li class="chapter active" data-level="6.4" data-path="appendix-terraform.html">
<a href="appendix-terraform.html">
<b>6.4.</b>
Provisioning with Terraform
</a>
</li>
<li class="chapter " data-level="6.5" data-path="calico.html">
<a href="calico.html">
<b>6.5.</b>
Controlling traffic with network policies
</a>
</li>
<li class="chapter " data-level="6.6" data-path="appendix.html">
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<b>6.6.</b>
Appendix
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<li class="header">Resources</li>
<li class="chapter " data-level="7.1" data-path="resources.html">
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<b>7.1.</b>
Resources
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<a href="." >Provisioning with Terraform</a>
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<h1 id="deploy-the-solution-using-terraform">Deploy the solution using Terraform</h1>
<p> <a href="images/terraform-color.png" rel="grouped" title="" target="_self" class="fancybox">
<img src="images/terraform-color.png" alt="">
</a></p>
<p><a href="https://www.terraform.io/" target="_blank">Terraform</a> enables you to safely and predictably create, change, and improve infrastructure. It is an open source tool that codifies APIs into declarative configuration files that can be shared amongst team members, treated as code, edited, reviewed, and versioned.</p>
<p>In this tutorial, you will use a sample configuration to provision a <strong>Kubernetes cluster</strong>, and, a <strong>Postgres</strong> database. Finish by deleting all of the resources created by the configuration.</p>
<h2 id="install-terraform-and-the-ibm-cloud-provider">Install Terraform and the IBM Cloud provider</h2>
<ol>
<li><p>Download and install Terraform for your system. <a href="https://learn.hashicorp.com/terraform/getting-started/install.html" target="_blank">https://learn.hashicorp.com/terraform/getting-started/install.html</a></p>
</li>
<li><p>Check Terraform installation by running <strong>terraform</strong> in your terminal or command prompt window. You should see a list of <strong>Common commands</strong>.</p>
</li>
<li><p>Download the appropriate IBM Cloud Provider plugin for your system and extract the archive. <a href="https://github.com/IBM-Cloud/terraform-provider-ibm/releases" target="_blank">https://github.com/IBM-Cloud/terraform-provider-ibm/releases</a></p>
</li>
<li><p>To setup Terraform with IBM Cloud provider, refer to this <a href="https://cloud.ibm.com/docs/tutorials?topic=solution-tutorials-infrastructure-as-code-terraform#setup" target="_blank">link</a></p>
</li>
<li><p>Create a .terraformrc file in your home directory that points to the Terraform binary. In the following example, $HOME/.terraform.d/plugins is the route to the directory.</p>
<pre class="language-"><code> # ~/.terraformrc
providers {
ibm = "$HOME/.terraform.d/plugins/terraform-provider-ibm_v0.15.1"
}
</code></pre><p> Note: Update the provider version according to the release you use.</p>
</li>
</ol>
<h2 id="set-platform-api-key">Set Platform API key</h2>
<ol>
<li><p>Go to the terraform folder</p>
<pre class="language-"><code> cd terraform
</code></pre></li>
<li><p>Terraform must initialize the provider before it can be used.</p>
<pre class="language-"><code> terraform init
</code></pre></li>
<li><p>Verify the terraform provider is installed</p>
<pre class="language-"><code> terraform providers
</code></pre><p> Output:</p>
<pre class="language-"><code> .
└── provider.ibm
</code></pre></li>
<li><p>Copy terraform/credentials.tfvars.tmpl to terraform/credentials.tfvars by running the below command</p>
<pre class="language-"><code> cp terraform/credentials.tfvars.tmpl terraform/credentials.tfvars
</code></pre></li>
<li><p>Edit terraform/credentials.tfvars and set the value for ibmcloud_api_key to the Platform API key you obtained.</p>
</li>
<li><p>To provision the cluster, the terraform needs your Infrastructure API. To do so, go to <a href="https://cloud.ibm.com/iam#/users" target="_blank">https://cloud.ibm.com/iam#/users</a></p>
</li>
<li><p>Select the User</p>
</li>
<li><p>Scroll down to API Keys</p>
</li>
<li><p>Select the <strong>Classic infrastructure API key</strong> - To see your classic infrastructure API key details, select Details in the Options menu.</p>
</li>
</ol>
<h2 id="provision-a-kubernetes-cluster">Provision a Kubernetes cluster</h2>
<ol>
<li><p>Perform a dry run to show what infrastructure terraform intends to create</p>
<pre class="language-"><code> terraform plan
</code></pre><blockquote>
<p>You can activate debug log by running: <em>export TF_LOG=debug</em></p>
</blockquote>
</li>
<li><p>Start provisioning</p>
<pre class="language-"><code> terraform apply
terraform apply -target=ibm_container_cluster.cluster
</code></pre></li>
<li><p>Once provisioned, reads and outputs a Terraform state or plan file in a human-readable form.</p>
<pre class="language-"><code> terraform show
</code></pre></li>
<li><p>Clean up</p>
<pre class="language-"><code> terraform destroy
</code></pre></li>
</ol>
<h2 id="resources">Resources</h2>
<p>For additional resources pay close attention to the following:</p>
<ul>
<li><a href="https://cloud.ibm.com/docs/tutorials?topic=solution-tutorials-infrastructure-as-code-terraform#setup" target="_blank">Tutorial: Deploy a LAMP stack using Terraform</a></li>
<li><a href="https://cloud.ibm.com/docs/tutorials/plan-create-update-deployments.html#plan-create-and-update-deployment-environments" target="_blank">Tutorial: Plan, create and update deployment environments</a></li>
</ul>
</section>
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