File use-threadpool-from-multiprocessing.pool-to-avo... of Package salt.21872

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File use-threadpool-from-multiprocessing.pool-to-avoid-le.patch of Package salt.21872

From 9ebf39f96704f17886e306ee270a06ef7126c381 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pablo=20Su=C3=A1rez=20Hern=C3=A1ndez?=
 <psuarezhernandez@suse.com>
Date: Tue, 30 Apr 2019 10:51:42 +0100
Subject: [PATCH] Use ThreadPool from multiprocessing.pool to avoid
 leakings

---
 salt/grains/core.py | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/salt/grains/core.py b/salt/grains/core.py
index 883e3ebe09..bebb4581bc 100644
--- a/salt/grains/core.py
+++ b/salt/grains/core.py
@@ -23,7 +23,7 @@ import uuid
 import warnings
 import zlib
 from errno import EACCES, EPERM
-from multiprocessing.dummy import Pool as ThreadPool
+from multiprocessing.pool import ThreadPool
 
 import distro
 import salt.exceptions
@@ -2442,10 +2442,14 @@ def fqdns():
     # Create a ThreadPool to process the underlying calls to 'socket.gethostbyaddr' in parallel.
     # This avoid blocking the execution when the "fqdn" is not defined for certains IP addresses, which was causing
     # that "socket.timeout" was reached multiple times secuencially, blocking execution for several seconds.
-    pool = ThreadPool(8)
-    results = pool.map(_lookup_fqdn, addresses)
-    pool.close()
-    pool.join()
+
+    try:
+        pool = ThreadPool(8)
+        results = pool.map(_lookup_fqdn, addresses)
+        pool.close()
+        pool.join()
+    except Exception as exc:
+        log.error("Exception while creating a ThreadPool for resolving FQDNs: %s", exc)
 
     for item in results:
         if item:
-- 
2.29.2

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File use-threadpool-from-multiprocessing.pool-to-avoid-le.patch of Package salt.21872

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