[redis] Added plugin for Redis

Patch adds plugin to collect details related to Redis -
in-memory data structure store.

Closes #760.

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>
Signed-off-by: Bryn M. Reeves <bmr@redhat.com>

AUTHORS

@@ -1,5 +1,6 @@
 Individuals
 -----------
+Abhijeet Kasurde <akasurde@redhat.com>
 Adam Stokes <adam.stokes@ubuntu.com>
 Ben Turner <bturner@redhat.com>
 Bharani C.V. <bharanve@linux.vnet.ibm.com>

sos/plugins/redis.py

@@ -0,0 +1,53 @@
+# Copyright (C) 2015 Red Hat, Inc., Abhijeet Kasurde <akasurde@redhat.com>
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+from sos.plugins import Plugin, RedHatPlugin
+
+
+class Redis(Plugin, RedHatPlugin):
+    """Redis, in-memory data structure store
+    """
+
+    plugin_name = 'redis'
+    profiles = ('services',)
+
+    packages = ('redis',)
+    files = ('/etc/redis.conf', '/var/log/redis')
+
+    def setup(self):
+        self.add_copy_spec("/etc/redis.conf")
+        self.limit = self.get_option("log_size")
+        self.add_cmd_output("redis-cli info")
+        if self.get_option("all_logs"):
+            self.add_copy_spec_limit("/var/log/redis/redis.log*",
+                                     sizelimit=self.limit)
+        else:
+            self.add_copy_spec_limit("/var/log/redis/redis.log",
+                                     sizelimit=self.limit)
+
+    def postproc(self):
+        self.do_file_sub(
+            "/etc/redis.conf",
+            r"(masterauth\s).*",
+            r"\1********"
+        )
+        self.do_file_sub(
+            "/etc/redis.conf",
+            r"(requirepass\s).*",
+            r"\1********"
+        )
+
+# vim: set et ts=4 sw=4 :