Update for release v0.4.0 (#27)

* Update for release v0.4.0

* Put back v0.3.0 release docs

Author: mgencur

README.md

@@ -4,11 +4,13 @@
 * [Github pages view - WIP](https://openshift-cloud-functions.github.io/Documentation/)
 * [Serverless: Arotna/Siteless rendering - WIP](https://joaedwar.github.io/Documentation/)
 
-## Knative on OpenShift v0.3.0
+## Knative on OpenShift v0.4.0
 [Knative on an OpenShift 4.0 cluster](/knative-OCP-4x.md)
 
-## Knative on OpenShift v0.2.0
+## Knative on OpenShift v0.3.0
+[Knative on an OpenShift 4.0 cluster](/knative-v0.3.0-OCP-4x.md)
 
+## Knative on OpenShift v0.2.0
 [Knative on an OpenShift 3.11 cluster](/knative-OCP-311.md)
 
 [Knative on Minishift 1.25.0](/knative-minishift.md)

knative-OCP-4x.md

@@ -15,7 +15,7 @@
 
 | Platform        | Supported versions           |
 | ------------- |:-------------:|
-| OpenShift      | [4.0 Developer Preview](https://try.openshift.com/)		|
+| OpenShift      | [4.0 Developer Preview](https://try.openshift.com/)          |
 
 > **NOTE:**  Long-running clusters are not supported in this release.
 
@@ -30,7 +30,7 @@
    `git clone https://github.com/openshift-cloud-functions/knative-operators`   
    `cd knative-operators/`   
    `git fetch --tags`   
-   `git checkout openshift-v0.3.0`   
+   `git checkout openshift-v0.4.0`   
 
 
 3. Navigate to the newly cloned repository and run the `install.sh` script.
@@ -45,8 +45,6 @@
 
     `If targeting OpenShift, a recent version of 'oc' should be available in your PATH. Otherwise, 'kubectl' will be used.`
 
-    `If using OpenShift 3.11 and your cluster isn't minishift, ensure \$KUBE_SSH_KEY and \$KUBE_SSH_USER are set`
-
     `Pass -q to disable this prompt`
 
     `Enter to continue or Ctrl-C to exit:`

knative-v0.3.0-OCP-4x.md

@@ -0,0 +1,50 @@
+# Knative on an OpenShift cluster
+------
+
+> **IMPORTANT:** The functionality introduced by Knative on an OpenShift cluster is preview only. Red Hat support is not provided, and this release should not be used in a production environment.
+
+## Prerequisites
+
+> **IMPORTANT:** You will need cluster administrator privileges to install and use Knative on an OpenShift cluster.
+
+### Supported platform versions
+
+> **NOTE:** This Knative on OpenShift preview is only available via the OpenShift 4.0 developer preview. You will require a Red Hat Developers login to try this. Visit [try.openshift.com](https://try.openshift.com/) for getting started information.
+
+| Platform        | Supported versions           |
+| ------------- |:-------------:|
+| OpenShift      | [4.0 Developer Preview](https://try.openshift.com/)    |
+
+## Installing Knative on an OpenShift cluster using the script provided
+
+1. Login to the cluster using your admin credentials.
+
+   `oc login <admin-credentials>`
+   
+2. Clone the `knative-operators` repository.
+
+   `git clone https://github.com/openshift-cloud-functions/knative-operators`   
+   `cd knative-operators/`   
+   `git fetch --tags`   
+   `git checkout openshift-v0.3.0`   
+
+
+3. Navigate to the newly cloned repository and run the `install.sh` script.
+
+   `./etc/scripts/install.sh`  
+
+>**NOTE** The installation script takes around 20-30 minutes to complete, depending on your system.
+
+4. Once the script starts, you will see the following warning and prompt.
+
+   `WARNING: This script will attempt to install Istio, Knative, and OLM in your Kubernetes/OpenShift cluster.`
+    
+    `If targeting OpenShift, a recent version of 'oc' should be available in your PATH. Otherwise, 'kubectl' will be used.`
+
+    `If using OpenShift 3.11 and your cluster isn't minishift, ensure \$KUBE_SSH_KEY and \$KUBE_SSH_USER are set`
+
+    `Pass -q to disable this prompt`
+ 
+    `Enter to continue or Ctrl-C to exit:`
+
+5. Press Enter to continue.