Build Flatcar CAPI images (OVA) for vSphere

script.sh

# Generate a Packer var file
cat <<EOF > packer-ova.json
{
    "vcenter_server":"vcenter.example.com",
    "username":"me",
    "password":"mypass",
    "datacenter": "DC",
    "datastore":"Datastore",
    "folder": "foo",
    "cluster": "10.1.2.3",
    "network": "VM Network",
    "insecure_connection": "true",
    "kubernetes_semver": "v1.26.1",
    "convert_to_template": "true"
}
EOF

# Build an image based on the latest stable Flatcar release (https://www.flatcar.org/releases)
PACKER_VAR_FILES=./packer-ova.json make build-node-ova-vsphere-flatcar

# Build an image based on a specific stable Flatcar release
PACKER_VAR_FILES=./packer-ova.json FLATCAR_VERSION=3374.2.0 make build-node-ova-vsphere-flatcar

# Build an image based on a specific Flatcar release in the beta channel
PACKER_VAR_FILES=./packer-ova.json FLATCAR_CHANNEL=beta FLATCAR_VERSION=3493.1.0 make build-node-ova-vsphere-flatcar