File grains-master-can-read-grains.patch of Package salt.19540

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File grains-master-can-read-grains.patch of Package salt.19540

From d9618fed8ff241c6f127f08ec59fea9c8b8e12a6 Mon Sep 17 00:00:00 2001
From: Alberto Planas <aplanas@suse.com>
Date: Tue, 27 Oct 2020 13:16:37 +0100
Subject: [PATCH] grains: master can read grains

---
 salt/grains/extra.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/salt/grains/extra.py b/salt/grains/extra.py
index d25faac3b7..7729a5c0a5 100644
--- a/salt/grains/extra.py
+++ b/salt/grains/extra.py
@@ -76,8 +76,14 @@ def __secure_boot():
     enabled = False
     sboot = glob.glob("/sys/firmware/efi/vars/SecureBoot-*/data")
     if len(sboot) == 1:
-        with salt.utils.files.fopen(sboot[0], "rb") as fd:
-            enabled = fd.read()[-1:] == b"\x01"
+        # The minion is usually running as a privileged user, but is
+        # not the case for the master.  Seems that the master can also
+        # pick the grains, and this file can only be readed by "root"
+        try:
+            with salt.utils.files.fopen(sboot[0], "rb") as fd:
+                enabled = fd.read()[-1:] == b"\x01"
+        except PermissionError:
+            pass
     return enabled
 
 
-- 
2.29.2

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File grains-master-can-read-grains.patch of Package salt.19540

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