Add TEST_SW_RAID option

This can config software RAID for worker nodes.

Signed-off-by: Hu Shuai <[email protected]>

common.sh

@@ -448,3 +448,6 @@ if [[ -n "$MIRROR_IMAGES" || -z "$IP_STACK" || "$IP_STACK" = "v6" ]]; then
    # We're going to be using a locally modified release image
    export OPENSHIFT_INSTALL_RELEASE_IMAGE_OVERRIDE="${LOCAL_REGISTRY_DNS_NAME}:${LOCAL_REGISTRY_PORT}/localimages/local-release-image:latest"
 fi
+
+# Defaults the variable to disable testing software RAID
+export TEST_SW_RAID=${TEST_SW_RAID:-true}

config_example.sh

@@ -664,3 +664,7 @@ set -x
 
 # Uncomment the following line to deploy the MCE operator, and to automatically import the current cluster as the hub cluster
 # export AGENT_DEPLOY_MCE=true
+
+# TEST_SW_RAID -
+# Enable testing of software RAID
+# export TEST_SW_RAID=true

utils.sh

@@ -108,6 +108,17 @@ function create_cluster() {
     mkdir -p ${assets_dir}/openshift
     generate_assets
 
+    if [[ "$TEST_SW_RAID" == "true" ]] && [[ "$NUM_WORKERS" -gt 0 ]]; then
+        for n in $(seq "$NUM_MASTERS" $(expr "$NUM_WORKERS" + "$NUM_MASTERS" - 1));
+        do
+        sed -i "/status/i \\
+  raid: \n\
+    softwareRAIDVolumes: \n\
+    - level: \"1\" \
+"  ${assets_dir}/openshift/99_openshift-cluster-api_hosts-$n.yaml
+        done
+    fi
+
     if [ -z "${NTP_SERVERS}" ];
     then
       export NTP_SERVERS="$PROVISIONING_HOST_EXTERNAL_IP"