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From ded01bd47c65636e59dc332d06fb8acb982ec677 Mon Sep 17 00:00:00 2001
From: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Date: Fri, 14 Jan 2022 16:41:52 +0100
Subject: [PATCH 4/6] Update dscheck_VMware's rpctool check (#970)

RH-Author: Emanuele Giuseppe Esposito <eesposit@redhat.com>
RH-MergeRequest: 44: Datasource for VMware
RH-Commit: [4/6] 509f68596f2d8f32027677f756b9d81e6a507ff1
RH-Bugzilla: 2026587
RH-Acked-by: Mohamed Gamal Morsy <mmorsy@redhat.com>
RH-Acked-by: Eduardo Otubo <otubo@redhat.com>

commit 7781dec3306e9467f216cfcb36b7e10a8b38547a
Author: Shreenidhi Shedi <53473811+sshedi@users.noreply.github.com>
Date:   Fri Aug 13 00:40:39 2021 +0530

    Update dscheck_VMware's rpctool check (#970)

    This patch updates the dscheck_VMware function's use of "vmware-rpctool".

    When checking to see if a "guestinfo" property is set.
    Because a successful exit code can occur even if there is an empty
    string returned, it is possible that the VMware datasource will be
    loaded as a false-positive. This patch ensures that in addition to
    validating the exit code, the emitted output is also examined to ensure
    a non-empty value is returned by rpctool before returning "${DS_FOUND}"
    from "dscheck_VMware()".

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
---
 tools/ds-identify | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/tools/ds-identify b/tools/ds-identify
index c01eae3d..0e12298f 100755
--- a/tools/ds-identify
+++ b/tools/ds-identify
@@ -141,6 +141,7 @@ error() {
     debug 0 "$@"
     stderr "$@"
 }
+
 warn() {
     set -- "WARN:" "$@"
     debug 0 "$@"
@@ -344,7 +345,6 @@ geom_label_status_as() {
     return $ret
 }
 
-
 read_fs_info_freebsd() {
     local oifs="$IFS" line="" delim=","
     local ret=0 labels="" dev="" label="" ftype="" isodevs=""
@@ -404,7 +404,6 @@ cached() {
     [ -n "$1" ] && _RET="$1" && return || return 1
 }
 
-
 detect_virt() {
     local virt="${UNAVAILABLE}" r="" out=""
     if [ -d /run/systemd ]; then
@@ -450,7 +449,7 @@ detect_virt() {
 read_virt() {
     cached "$DI_VIRT" && return 0
     detect_virt
-    DI_VIRT=${_RET}
+    DI_VIRT="$(echo "${_RET}" | tr '[:upper:]' '[:lower:]')"
 }
 
 is_container() {
@@ -1370,16 +1369,20 @@ vmware_has_rpctool() {
     command -v vmware-rpctool >/dev/null 2>&1
 }
 
+vmware_rpctool_guestinfo() {
+    vmware-rpctool "info-get guestinfo.${1}" 2>/dev/null | grep "[[:alnum:]]"
+}
+
 vmware_rpctool_guestinfo_metadata() {
-    vmware-rpctool "info-get guestinfo.metadata"
+    vmware_rpctool_guestinfo "metadata"
 }
 
 vmware_rpctool_guestinfo_userdata() {
-    vmware-rpctool "info-get guestinfo.userdata"
+    vmware_rpctool_guestinfo "userdata"
 }
 
 vmware_rpctool_guestinfo_vendordata() {
-    vmware-rpctool "info-get guestinfo.vendordata"
+    vmware_rpctool_guestinfo "vendordata"
 }
 
 dscheck_VMware() {
-- 
2.27.0