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From 04b824ebfcf80c648d5855f10bc30fde45fd62eb Mon Sep 17 00:00:00 2001
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From: Sunny Kumar <sunkumar@redhat.com>
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Date: Thu, 26 Mar 2020 10:46:16 +0000
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Subject: [PATCH 361/362] snap_scheduler: python3 compatibility and new test
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 case
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Problem:
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"snap_scheduler.py init" command failing with the below traceback:
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[root@dhcp43-104 ~]# snap_scheduler.py init
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Traceback (most recent call last):
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  File "/usr/sbin/snap_scheduler.py", line 941, in <module>
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    sys.exit(main(sys.argv[1:]))
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  File "/usr/sbin/snap_scheduler.py", line 851, in main
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    initLogger()
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  File "/usr/sbin/snap_scheduler.py", line 153, in initLogger
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    logfile = os.path.join(process.stdout.read()[:-1], SCRIPT_NAME + ".log")
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  File "/usr/lib64/python3.6/posixpath.py", line 94, in join
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    genericpath._check_arg_types('join', a, *p)
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  File "/usr/lib64/python3.6/genericpath.py", line 151, in _check_arg_types
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    raise TypeError("Can't mix strings and bytes in path components") from None
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TypeError: Can't mix strings and bytes in path components
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Solution:
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Added the 'universal_newlines' flag to Popen to support backward compatibility.
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Added a basic test for snapshot scheduler.
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Backport Of:
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        >Upstream Patch: https://review.gluster.org/#/c/glusterfs/+/24257/
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        >Change-Id: I78e8fabd866fd96638747ecd21d292f5ca074a4e
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        >Fixes: #1134
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        >Signed-off-by: Sunny Kumar <sunkumar@redhat.com>
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BUG: 1817369
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Change-Id: I78e8fabd866fd96638747ecd21d292f5ca074a4e
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Signed-off-by: Sunny Kumar <sunkumar@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/196482
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com>
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---
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 extras/snap_scheduler/snap_scheduler.py |  2 +-
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 tests/basic/volume-snap-scheduler.t     | 49 +++++++++++++++++++++++++++++++++
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 2 files changed, 50 insertions(+), 1 deletion(-)
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 create mode 100644 tests/basic/volume-snap-scheduler.t
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diff --git a/extras/snap_scheduler/snap_scheduler.py b/extras/snap_scheduler/snap_scheduler.py
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index a66c5e3..5a29d41 100755
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--- a/extras/snap_scheduler/snap_scheduler.py
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+++ b/extras/snap_scheduler/snap_scheduler.py
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@@ -149,7 +149,7 @@ def initLogger():
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     sh.setFormatter(formatter)
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     process = subprocess.Popen(["gluster", "--print-logdir"],
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-                               stdout=subprocess.PIPE)
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+                               stdout=subprocess.PIPE, universal_newlines=True)
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     logfile = os.path.join(process.stdout.read()[:-1], SCRIPT_NAME + ".log")
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     fh = logging.FileHandler(logfile)
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diff --git a/tests/basic/volume-snap-scheduler.t b/tests/basic/volume-snap-scheduler.t
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new file mode 100644
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index 0000000..a638c5c
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--- /dev/null
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+++ b/tests/basic/volume-snap-scheduler.t
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@@ -0,0 +1,49 @@
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+#!/bin/bash
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+
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+. $(dirname $0)/../include.rc
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+. $(dirname $0)/../volume.rc
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+
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+cleanup;
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+
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+TEST glusterd;
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+TEST pidof glusterd;
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+
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+TEST $CLI volume create $V0 replica 2 $H0:$B0/${GMV0}{1,2,3,4};
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+TEST $CLI volume start $V0
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+
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+## Create, start and mount meta_volume as
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+## snap_scheduler expects shared storage to be enabled.
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+## This test is very basic in nature not creating any snapshot
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+## and purpose is to validate snap scheduling commands.
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+
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+TEST $CLI volume create $META_VOL replica 3 $H0:$B0/${META_VOL}{1,2,3};
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+TEST $CLI volume start $META_VOL
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+TEST mkdir -p $META_MNT
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+TEST glusterfs -s $H0 --volfile-id $META_VOL $META_MNT
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+
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+##function to check status
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+function check_status_scheduler()
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+{
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+     local key=$1
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+     snap_scheduler.py status | grep -F "$key" | wc -l
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+}
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+
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+##Basic snap_scheduler command test init/enable/disable/list
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+
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+TEST snap_scheduler.py init
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+
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+TEST snap_scheduler.py enable
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+
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+EXPECT 1 check_status_scheduler "Enabled"
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+
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+TEST snap_scheduler.py disable
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+
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+EXPECT 1 check_status_scheduler "Disabled"
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+
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+TEST snap_scheduler.py list
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+
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+TEST $CLI volume stop $V0;
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+
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+TEST $CLI volume delete $V0;
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+
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+cleanup;
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-- 
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1.8.3.1
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