Remove gluster support

Development on gluster has stopped upstream, see:

https://marc.info/?l=fedora-devel-list&m=171934833215726&w=2

tests/Makefile.am

@@ -642,7 +642,6 @@ TESTS += \
 	regressions/rhbz1011907-1165785.sh \
 	regressions/rhbz1174551.sh \
 	regressions/rhbz1175196.sh \
-	regressions/rhbz1370424.sh \
 	regressions/rhbz1477623.sh \
 	regressions/rhbz1930996.sh \
 	regressions/test-big-heap \
@@ -675,8 +674,6 @@ EXTRA_DIST += \
 	regressions/rhbz1091803.sh \
 	regressions/rhbz1174551.sh \
 	regressions/rhbz1175196.sh \
-	regressions/rhbz1370424.sh \
-	regressions/rhbz1370424.xml \
 	regressions/rhbz1477623.sh \
 	regressions/rhbz1930996.sh \
 	regressions/test-noexec-stack.pl

tests/disks/test-qemu-drive-libvirt.sh

@@ -65,13 +65,6 @@ check_output
 grep -sq -- '-drive file=rbd:abc-def/ghi-jkl:auth_supported=none,' "$DEBUG_QEMU_FILE" || fail ceph2
 rm "$DEBUG_QEMU_FILE"
 
-# Gluster.
-
-$guestfish -d gluster run ||:
-check_output
-grep -sq -- '-drive file=gluster://1.2.3.4:1234/volname/image,' "$DEBUG_QEMU_FILE" || fail gluster
-rm "$DEBUG_QEMU_FILE"
-
 # iSCSI.
 
 $guestfish -d iscsi run ||:

tests/disks/test-qemu-drive-libvirt.xml.in

@@ -59,25 +59,6 @@
     </devices>
   </domain>
 
-  <domain type='test' xmlns:test='http://libvirt.org/schemas/domain/test/1.0'>
-    <test:runstate>5</test:runstate> <!-- 5 == VIR_DOMAIN_SHUTOFF -->
-    <name>gluster</name>
-    <memory>1048576</memory>
-    <os>
-      <type>hvm</type>
-      <boot dev='hd'/>
-    </os>
-    <devices>
-      <disk type='network' device='disk'>
-        <driver name='qemu'/>
-        <source protocol='gluster' name='volname/image'>
-          <host name='1.2.3.4' port='1234'/>
-        </source>
-        <target dev='vda' bus='virtio'/>
-      </disk>
-    </devices>
-  </domain>
-
   <domain type='test' xmlns:test='http://libvirt.org/schemas/domain/test/1.0'>
     <test:runstate>5</test:runstate> <!-- 5 == VIR_DOMAIN_SHUTOFF -->
     <name>iscsi</name>

tests/disks/test-qemu-drive.sh

@@ -72,16 +72,6 @@ check_output
 grep -sq -- '-drive file=http://www.example.com/disk.img,' "$DEBUG_QEMU_FILE" || fail
 rm "$DEBUG_QEMU_FILE"
 
-# Gluster.
-
-guestfish <<EOF ||:
-  add "volname/image" "format:raw" "protocol:gluster" "server:www.example.com:24007"
-  run
-EOF
-check_output
-grep -sq -- '-drive file=gluster://www.example.com:24007/volname/image,' "$DEBUG_QEMU_FILE" || fail
-rm "$DEBUG_QEMU_FILE"
-
 # iSCSI.
 
 guestfish <<EOF ||:

tests/regressions/rhbz1370424.sh

@@ -1,34 +0,0 @@
-#!/bin/bash -
-# libguestfs
-# Copyright (C) 2016 Red Hat Inc.
-#
-# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-
-# Regression test for:
-# https://bugzilla.redhat.com/show_bug.cgi?id=1370424
-# Handle a network disk without a port attribute.
-
-set -e
-
-$TEST_FUNCTIONS
-skip_if_skipped
-
-guestfish <<EOF
--add-domain rhbz1370424 \
-            libvirturi:test://$srcdir/regressions/rhbz1370424.xml \
-            readonly:true
-# The test is just that the above command does not segfault.
-# We don't need to do anything else here.
-EOF

tests/regressions/rhbz1370424.xml

@@ -1,28 +0,0 @@
-<node>
-  <domain type='test'>
-    <name>rhbz1370424</name>
-    <memory>1048576</memory>
-    <vcpu>2</vcpu>
-    <os>
-      <type>hvm</type>
-      <boot dev='hd'/>
-    </os>
-    <features>
-      <acpi/>
-      <apic/>
-      <pae/>
-    </features>
-    <devices>
-      <disk type='network' device='disk'>
-        <driver name='qemu' type='raw'/>
-        <source protocol='gluster' name='gluster-vol/test.qcow2'>
-          <host name='localhost'/>
-        </source>
-        <backingStore/>
-        <target dev='vda' bus='virtio'/>
-        <alias name='virtio-disk0'/>
-        <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>
-      </disk>
-    </devices>
-  </domain>
-</node>