Add special case handling for OVS upgrade in updates and upgrades

This adds a special case handling for the opensvswitch package
as discussed at the related bug below.
This is added/handled here for both the minor update and the
major mitaka...newton upgrade.

Change-Id: I9b1f0eaa0d36a28e20b507bec6a4e9b3af1781ae
Closes-Bug: 1635205
(cherry picked from commit 2526815150)
Conflicts:
	extraconfig/tasks/major_upgrade_ceph_storage.sh
	extraconfig/tasks/major_upgrade_controller_pacemaker_1.sh

extraconfig/tasks/major_upgrade_block_storage.sh

@@ -4,5 +4,19 @@
 #
 set -eu
 
+# Special-case OVS for https://bugs.launchpad.net/tripleo/+bug/1635205
+if [[ -n $(rpm -q --scripts openvswitch | awk '/postuninstall/,/*/' | grep "systemctl.*try-restart") ]]; then
+    echo "Manual upgrade of openvswitch - restart in postun detected"
+    mkdir OVS_UPGRADE || true
+    pushd OVS_UPGRADE
+    echo "Attempting to downloading latest openvswitch with yumdownloader"
+    yumdownloader --resolve openvswitch
+    echo "Updating openvswitch with nopostun"
+    rpm -U --nopostun ./*.rpm
+    popd
+else
+    echo "Skipping manual upgrade of openvswitch - no restart in postun detected"
+fi
+
 yum -y install python-zaqarclient  # needed for os-collect-config
 yum -y -q update

extraconfig/tasks/major_upgrade_ceph_storage.sh

@@ -22,6 +22,21 @@ function systemctl_ceph {
 ceph osd set noout
 
 systemctl_ceph stop
+
+# Special-case OVS for https://bugs.launchpad.net/tripleo/+bug/1635205
+if [[ -n \$(rpm -q --scripts openvswitch | awk '/postuninstall/,/*/' | grep "systemctl.*try-restart") ]]; then
+    echo "Manual upgrade of openvswitch - restart in postun detected"
+    mkdir OVS_UPGRADE || true
+    pushd OVS_UPGRADE
+    echo "Attempting to downloading latest openvswitch with yumdownloader"
+    yumdownloader --resolve openvswitch
+    echo "Updating openvswitch with nopostun"
+    rpm -U --nopostun ./*.rpm
+    popd
+else
+    echo "Skipping manual upgrade of openvswitch - no restart in postun detected"
+fi
+
 yum -y install python-zaqarclient  # needed for os-collect-config
 yum -y update
 systemctl_ceph start

extraconfig/tasks/major_upgrade_compute.sh

@@ -16,6 +16,21 @@ cat > $UPGRADE_SCRIPT << ENDOFCAT
 
 crudini  --set /etc/nova/nova.conf upgrade_levels compute $upgrade_level_nova_compute
 
+
+# Special-case OVS for https://bugs.launchpad.net/tripleo/+bug/1635205
+if [[ -n \$(rpm -q --scripts openvswitch | awk '/postuninstall/,/*/' | grep "systemctl.*try-restart") ]]; then
+    echo "Manual upgrade of openvswitch - restart in postun detected"
+    mkdir OVS_UPGRADE || true
+    pushd OVS_UPGRADE
+    echo "Attempting to downloading latest openvswitch with yumdownloader"
+    yumdownloader --resolve openvswitch
+    echo "Updating openvswitch with nopostun"
+    rpm -U --nopostun ./*.rpm
+    popd
+else
+    echo "Skipping manual upgrade of openvswitch - no restart in postun detected"
+fi
+
 yum -y install python-zaqarclient  # needed for os-collect-config
 yum -y update
 

extraconfig/tasks/major_upgrade_controller_pacemaker_1.sh

@@ -146,6 +146,20 @@ fi
 # https://bugs.launchpad.net/tripleo/+bug/1597674
 yum -y install openstack-gnocchi-api openstack-gnocchi-indexer-sqlalchemy openstack-gnocchi-carbonara openstack-gnocchi-statsd openstack-gnocchi-metricd openstack-sahara openstack-sahara-api openstack-sahara-engine python-cradox
 
+# Special-case OVS for https://bugs.launchpad.net/tripleo/+bug/1635205
+if [[ -n $(rpm -q --scripts openvswitch | awk '/postuninstall/,/*/' | grep "systemctl.*try-restart") ]]; then
+    echo "Manual upgrade of openvswitch - restart in postun detected"
+    mkdir OVS_UPGRADE || true
+    pushd OVS_UPGRADE
+    echo "Attempting to downloading latest openvswitch with yumdownloader"
+    yumdownloader --resolve openvswitch
+    echo "Updating openvswitch with nopostun"
+    rpm -U --nopostun ./*.rpm
+    popd
+else
+    echo "Skipping manual upgrade of openvswitch - no restart in postun detected"
+fi
+
 yum -y install python-zaqarclient  # needed for os-collect-config
 yum -y -q update
 

extraconfig/tasks/major_upgrade_object_storage.sh

@@ -22,6 +22,19 @@ function systemctl_swift {
     done
 }
 
+# Special-case OVS for https://bugs.launchpad.net/tripleo/+bug/1635205
+if [[ -n \$(rpm -q --scripts openvswitch | awk '/postuninstall/,/*/' | grep "systemctl.*try-restart") ]]; then
+    echo "Manual upgrade of openvswitch - restart in postun detected"
+    mkdir OVS_UPGRADE || true
+    pushd OVS_UPGRADE
+    echo "Attempting to downloading latest openvswitch with yumdownloader"
+    yumdownloader --resolve openvswitch
+    echo "Updating openvswitch with nopostun"
+    rpm -U --nopostun ./*.rpm
+    popd
+else
+    echo "Skipping manual upgrade of openvswitch - no restart in postun detected"
+fi
 
 systemctl_swift stop
 

extraconfig/tasks/yum_update.sh

@@ -61,6 +61,21 @@ else
     exit 0
 fi
 
+
+# Special-case OVS for https://bugs.launchpad.net/tripleo/+bug/1635205
+if [[ -n $(rpm -q --scripts openvswitch | awk '/postuninstall/,/*/' | grep "systemctl.*try-restart") ]]; then
+    echo "Manual upgrade of openvswitch - restart in postun detected"
+    mkdir OVS_UPGRADE || true
+    pushd OVS_UPGRADE
+    echo "Attempting to downloading latest openvswitch with yumdownloader"
+    yumdownloader --resolve openvswitch
+    echo "Updating openvswitch with nopostun"
+    rpm -U --nopostun ./*.rpm
+    popd
+else
+    echo "Skipping manual upgrade of openvswitch - no restart in postun detected"
+fi
+
 command=${command:-update}
 full_command="yum -q -y $command $command_arguments"
 echo "Running: $full_command"