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README.md

Deploy

Wordpress Helm Chart

Uses the Helm API of @pulumi/kubernetes to deploy v2.1.3 of the Wordpress Helm Chart to a Kubernetes cluster. The Tiller server is not required to be installed. Pulumi will expand the Helm Chart and submit the expanded YAML to the cluster.

NOTE: Because Tiller is not used, it is important to be aware that a small number of Charts depend on values that can only be expanded on the server. These variables will get default values instead.

NOTE: This example has a dependency on the helm CLI. Be sure to install that first! See instructions below.

wordpress

Running the App

Use the Helm installation guide to install the helm CLI. On macOS this might look something like:

brew install helm

If you haven't already, follow the steps in Pulumi Installation and Setup and Configuring Pulumi Kubernetes to get setup with Pulumi and Kubernetes.

Now, install dependencies:

npm install

Create a new stack:

$ pulumi stack init
Enter a stack name: wordpress-dev

Preview the deployment of the application.

TIP: This example installs the Wordpress Chart. You can use helm search to find other Helm charts, as well as available versions for them.

Perform the deployment:

$ pulumi up
Updating stack 'wordpress-dev'
Performing changes:

     Type                                         Name                      Status      Info
 +   pulumi:pulumi:Stack                          wordpress-wordpress-dev   created     1 warning
 +   └─ kubernetes:helm.sh:Chart                  wpdev                     created
 +      ├─ kubernetes:core:ConfigMap              wpdev-mariadb             created
 +      ├─ kubernetes:core:ConfigMap              wpdev-mariadb-tests       created
 +      ├─ kubernetes:core:Secret                 wpdev-mariadb             created
 +      ├─ kubernetes:core:Secret                 wpdev-wordpress           created
 +      ├─ kubernetes:core:Service                wpdev-wordpress           created     1 warning, 2 info messages
 +      ├─ kubernetes:core:Service                wpdev-mariadb             created     1 warning, 1 info message
 +      ├─ kubernetes:core:Pod                    wpdev-credentials-test    created     17 warnings
 +      ├─ kubernetes:core:Pod                    wpdev-mariadb-test-mgjjy  created     32 warnings
 +      ├─ kubernetes:core:PersistentVolumeClaim  wpdev-wordpress           created
 +      ├─ kubernetes:apps:StatefulSet            wpdev-mariadb             created
 +      └─ kubernetes:extensions:Deployment       wpdev-wordpress           created

---outputs:---
frontendIp: "35.193.210.254"

info: 13 changes performed:
    + 13 resources created
Update duration: 1m28.601219022s

Permalink: https://app.pulumi.com/hausdorff/wordpress-dev/updates/1

We can see here in the ---outputs:--- section that Wordpress was allocated a public IP, in this case 35.193.210.254. It is exported with a stack output variable, frontendIp. We can use curl and grep to retrieve the <title> of the site the proxy points at.

$ curl -sL $(pulumi stack output frontendIp):80 | grep "<title>"
<title>User&#039;s Blog! &#8211; Just another WordPress site</title>