vmware: Support cloud-init datasource GuestInfo

features/vmware/file.include/etc/cloud/cloud.cfg.d/99_enabled-datasources.cfg

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+# Cloud-Init Datasource for VMware Guestinfo
+#
+# Copyright (c) 2018 VMware, Inc. All Rights Reserved.
+#
+# This product is licensed to you under the Apache 2.0 license (the "License").
+# You may not use this product except in compliance with the Apache 2.0 License.
+#
+# This product may include a number of subcomponents with separate copyright
+# notices and license terms. Your use of these subcomponents is subject to the
+# terms and conditions of the subcomponent's license, as noted in the LICENSE
+# file.
+
+datasource_list: [ "VMwareGuestInfo", "OVF" ]

features/vmware/file.include/usr/bin/dscheck_VMwareGuestInfo

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+#!/bin/sh
+
+# Cloud-Init Datasource for VMware Guestinfo
+#
+# Copyright (c) 2019 VMware, Inc. All Rights Reserved.
+#
+# This product is licensed to you under the Apache 2.0 license (the "License").
+# You may not use this product except in compliance with the Apache 2.0 License.
+#
+# This product may include a number of subcomponents with separate copyright
+# notices and license terms. Your use of these subcomponents is subject to the
+# terms and conditions of the subcomponent's license, as noted in the LICENSE
+# file.
+
+#
+# This file should be installed to /usr/bin/dscheck_VMwareGuestInfo
+# without the ".sh" extension. The extension only exists to make it easier
+# to identify the file during development.
+#
+# This file provides cloud-init's ds-identify program a shell type that
+# can be resolved with "type dscheck_VMwareGuestInfo" and used to validate
+# where a datasource is installed and useable.
+#
+# Cloud-init's ds-identify program in /usr/lib/cloud-init includes functions
+# to determine whether or not datasources can be used. Because the program
+# is a shell script and uses "type dscheck_DATASOURCE_NAME" to determine
+# if there is a matching bash type that can answer for the datasource,
+# it's possible to respond with an external script. While other datasources
+# have functions in ds-identify, the "type" command looks up types both
+# in Bash's function table as well as script in the PATH. Therefore the
+# ds-identify program, when looking up whether or not the datasource
+# VMwareGuestInfo can be used, will defer to this file when it is in the
+# PATH and named dscheck_VMwareGuestInfo.
+#
+
+if [ -n "${VMX_GUESTINFO}" ]; then
+  if [ -n "${VMX_GUESTINFO_METADATA}" ] || \
+     [ -n "${VMX_GUESTINFO_USERDATA}" ] || \
+     [ -n "${VMX_GUESTINFO_VENDORDATA}" ]; then
+     exit 0
+  fi
+fi
+
+if ! command -v vmware-rpctool >/dev/null 2>&1; then
+  exit 1
+fi
+
+if { vmware-rpctool "info-get guestinfo.metadata" || \
+     vmware-rpctool "info-get guestinfo.userdata" || \
+     vmware-rpctool "info-get guestinfo.vendordata"; } >/dev/null 2>&1; then
+   exit 0
+fi
+
+exit 1