Temporary workaround for kubernetes/minikube#5751

Will be removed when Minikube 1.5.1 is released

03_launch_mgmt_cluster.sh

@@ -34,7 +34,7 @@ CAPBMREPO="${CAPBMREPO:-https://github.com/metal3-io/cluster-api-provider-bareme
 
 if [ "${V1ALPHA2_SWITCH}" == true ]; then
   CAPBMBRANCH="${CAPBMBRANCH:-v1alpha2}"
-else 
+else
   CAPBMBRANCH="${CAPBMBRANCH:-master}"
 fi
 
@@ -137,7 +137,7 @@ function apply_bm_hosts() {
 #
 function launch_cluster_api_provider_baremetal() {
     pushd "${CAPBMPATH}"
-    
+
     if [ "${CAPBM_RUN_LOCAL}" == true ]; then
       touch capbm.out.log
       touch capbm.err.log
@@ -151,7 +151,7 @@ function launch_cluster_api_provider_baremetal() {
     else
       make deploy
     fi
-    popd 
+    popd
 }
 
 clone_repos
@@ -166,7 +166,7 @@ if [ "${V1ALPHA2_SWITCH}" == true ]; then
 fi
 
 init_minikube
-sudo su -l -c 'minikube start' "${USER}"
+sudo su -l -c 'minikube start --docker-opt="default-ulimit=nofile=102400:102400"' "${USER}"
 sudo su -l -c 'minikube ssh sudo ip addr add 172.22.0.2/24 dev eth2' "${USER}"
 launch_baremetal_operator
 apply_bm_hosts

lib/common.sh

@@ -84,7 +84,20 @@ export CLUSTER_NAME=${CLUSTER_NAME:-"test1"}
 export KUBERNETES_VERSION=${KUBERNETES_VERSION:-"v1.16.0"}
 
 # Image url and checksum
-export IMAGE_NAME=${2:-CentOS-7-x86_64-GenericCloud-1907.qcow2}
+IMAGE_OS=${IMAGE_OS:-Cirros}
+if [[ "${IMAGE_OS}" == "Ubuntu" ]]; then
+  export IMAGE_NAME=${IMAGE_NAME:-bionic-server-cloudimg-amd64.img}
+  export IMAGE_LOCATION=${IMAGE_LOCATION:-https://cloud-images.ubuntu.com/bionic/current}
+  export IMAGE_USERNAME=${IMAGE_USERNAME:-ubuntu}
+elif [[ "${IMAGE_OS}" == "Centos" ]]; then
+  export IMAGE_NAME=${IMAGE_NAME:-CentOS-7-x86_64-GenericCloud-1907.qcow2}
+  export IMAGE_LOCATION=${IMAGE_LOCATION:-http://cloud.centos.org/centos/7/images}
+  export IMAGE_USERNAME=${IMAGE_USERNAME:-centos}
+else
+  export IMAGE_NAME=${IMAGE_NAME:-cirros-0.4.0-x86_64-disk.img}
+  export IMAGE_LOCATION=${IMAGE_LOCATION:-http://download.cirros-cloud.net/0.4.0}
+  export IMAGE_USERNAME=${IMAGE_USERNAME:-cirros}
+fi
 export IMAGE_URL=http://172.22.0.1/images/${IMAGE_NAME}
 export IMAGE_CHECKSUM=http://172.22.0.1/images/${IMAGE_NAME}.md5sum
 
@@ -287,7 +300,7 @@ differs(){
 function init_minikube() {
     #If the vm exists, it has already been initialized
     if [[ "$(sudo virsh list --all)" != *"minikube"* ]]; then
-      sudo su -l -c "minikube start --insecure-registry 192.168.111.1:5000" "$USER"
+      sudo su -l -c 'minikube start --insecure-registry 192.168.111.1:5000 --docker-opt="default-ulimit=nofile=102400:102400"' "$USER"
       # Pre-pull the image to reduce pod initialization time
       for IMAGE_VAR in IRONIC_IMAGE IPA_DOWNLOADER_IMAGE IRONIC_INSPECTOR_IMAGE BAREMETAL_OPERATOR_IMAGE; do
         IMAGE=${!IMAGE_VAR}