File add-yum-plugin.patch of Package salt.5440

From a0523ac82a1dcca7a7c77f9b3816f237f211b94e Mon Sep 17 00:00:00 2001
From: Bo Maryniuk <bo@suse.de>
Date: Thu, 29 Sep 2016 17:00:14 +0200
Subject: [PATCH] Add YUM plugin

* Add plugin for Yum-Salt integration
* Add configuration for the yumnotify plugin
* Fixes wrong 'enabled' opts for yumnotify plugin
---
 scripts/yum/plugins/README.md      | 20 ++++++++++++++
 scripts/yum/plugins/yumnotify.conf |  2 ++
 scripts/yum/plugins/yumnotify.py   | 55 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 77 insertions(+)
 create mode 100644 scripts/yum/plugins/README.md
 create mode 100644 scripts/yum/plugins/yumnotify.conf
 create mode 100644 scripts/yum/plugins/yumnotify.py

diff --git a/scripts/yum/plugins/README.md b/scripts/yum/plugins/README.md
new file mode 100644
index 0000000000..cb3abd2260
--- /dev/null
+++ b/scripts/yum/plugins/README.md
@@ -0,0 +1,20 @@
+## What it is
+
+Plugin which provides a notification mechanism to Salt, if Yum is
+used outside of it.
+
+## Installation
+
+Configuration files are going to:
+
+	`/etc/yum/pluginconf.d/[name].conf`
+
+Plugin itself goes to:
+
+	`/usr/share/yum-plugins/[name].conf`
+
+## Permissions
+
+User:  root
+Group: root
+Mode:  644
diff --git a/scripts/yum/plugins/yumnotify.conf b/scripts/yum/plugins/yumnotify.conf
new file mode 100644
index 0000000000..8e4d76c728
--- /dev/null
+++ b/scripts/yum/plugins/yumnotify.conf
@@ -0,0 +1,2 @@
+[main]
+enabled=1
diff --git a/scripts/yum/plugins/yumnotify.py b/scripts/yum/plugins/yumnotify.py
new file mode 100644
index 0000000000..268e1e9531
--- /dev/null
+++ b/scripts/yum/plugins/yumnotify.py
@@ -0,0 +1,55 @@
+# Copyright (c) 2016 SUSE Linux LLC
+# All Rights Reserved.
+#
+# Author: Bo Maryniuk <bo@suse.de>
+
+from yum.plugins import TYPE_CORE
+from yum import config
+import os
+import hashlib
+
+CK_PATH = "/var/cache/salt/minion/rpmdb.cookie"
+RPM_PATH = "/var/lib/rpm/Packages"
+
+requires_api_version = '2.5'
+plugin_type = TYPE_CORE
+
+
+def _get_mtime():
+    """
+    Get the modified time of the RPM Database.
+
+    Returns:
+        Unix ticks
+    """
+    return os.path.exists(RPM_PATH) and int(os.path.getmtime(RPM_PATH)) or 0
+
+
+def _get_checksum():
+    """
+    Get the checksum of the RPM Database.
+
+    Returns:
+        hexdigest
+    """
+    digest = hashlib.md5()
+    with open(RPM_PATH, "rb") as rpm_db_fh:
+        while True:
+            buff = rpm_db_fh.read(0x1000)
+            if not buff:
+                break
+            digest.update(buff)
+    return digest.hexdigest()
+
+
+def posttrans_hook(conduit):
+    """
+    Hook after the package installation transaction.
+
+    :param conduit:
+    :return:
+    """
+    # Integrate Yum with Salt
+    if 'SALT_RUNNING' not in os.environ:
+        with open(CK_PATH, 'w') as ck_fh:
+            ck_fh.write('{chksum} {mtime}\n'.format(chksum=_get_checksum(), mtime=_get_mtime()))
-- 
2.11.0