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#!/bin/sh
# simple testing of snapshot APIs on test driver
# Copyright (C) 2019 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, see
# <http://www.gnu.org/licenses/>.
. "$(dirname $0)/test-lib.sh"
test_expensive
if test "$VERBOSE" = yes; then
set -x
$abs_top_builddir/tools/virsh --version
fi
fail=0
mock_xdg_ || framework_failure
# The test driver loses states between restarts, so we perform a script
# with some convenient markers for later post-processing of output.
$abs_top_builddir/tools/virsh --connect test:///default >out 2>err '
# Create a series of snapshots, with names that intentionally sort
# differently by topology than by name. Use revert to create fanout.
snapshot-create-as test s1
snapshot-create-as test s1
snapshot-create-as test s3
snapshot-create-as test s2
snapshot-revert test s3
snapshot-create-as test s6
snapshot-create-as test s5
snapshot-revert test s6
snapshot-create-as test s4
snapshot-revert test s1
snapshot-create-as test s7
snapshot-create-as test s8
# checkpoints cannot be created while snapshots exist
echo --err marker
checkpoint-create-as test c1
echo --err marker
# Checking tree view (siblings sorted alphabetically)
snapshot-list test --tree
# Current was last one created, but we can change that
snapshot-current test --name
snapshot-current test s1
snapshot-current test --name
# Deleting current root leads to multiple roots, demonstrate list filtering
snapshot-delete test --current
echo --err marker
snapshot-current test --name
echo --err marker
snapshot-list test --roots
snapshot-list test --leaves
snapshot-list test --parent --no-leaves
snapshot-list test --from s3
snapshot-list test --from s3 --descendants --name
# More fun with delete flags, current node moves up to remaining parent
snapshot-current test s4
snapshot-delete test --children-only s6
snapshot-current test --name
snapshot-delete test --children s7
snapshot-current test --name
snapshot-delete test s6
snapshot-current test --name
# Now the tree is linear, so we have an unambiguous topological order
snapshot-list test --name
snapshot-list test --name --topological
# Capture some XML for later redefine
echo "<!--MarkerA-->"
snapshot-dumpxml test s3
echo "<!--MarkerB-->"
snapshot-dumpxml test s2
echo "<!--MarkerC-->"
# All done
' || fail=1
# First part is expected output, --tree results in trailing spaces,
# and snapshot-list produces timestamps
sed 's/ *$//; s/[0-9-]\{10\} [0-9:.]* .[0-9]\{4\}/TIMESTAMP/;
/MarkerA/,/MarkerC/d' < out > out.cooked || fail=1
# Second part holds domain snapshot XMLs
sed -n '/MarkerA/,/MarkerB/p' < out > s3.xml || fail=1
sed -n '/MarkerB/,/MarkerC/p' < out > s2.xml || fail=1
cat <<\EOF > exp || fail=1
Domain snapshot s1 created
Domain snapshot s3 created
Domain snapshot s2 created
Domain snapshot s3 reverted
Domain snapshot s6 created
Domain snapshot s5 created
Domain snapshot s6 reverted
Domain snapshot s4 created
Domain snapshot s1 reverted
Domain snapshot s7 created
Domain snapshot s8 created
s1
|
+- s3
| |
| +- s2
| +- s6
| |
| +- s4
| +- s5
|
+- s7
|
+- s8
s8
Snapshot s1 set as current
s1
Domain snapshot s1 deleted
Name Creation Time State
---------------------------------------------
s3 TIMESTAMP running
s7 TIMESTAMP running
Name Creation Time State
---------------------------------------------
s2 TIMESTAMP running
s4 TIMESTAMP running
s5 TIMESTAMP running
s8 TIMESTAMP running
Name Creation Time State Parent
------------------------------------------------------
s3 TIMESTAMP running
s6 TIMESTAMP running s3
s7 TIMESTAMP running
Name Creation Time State
---------------------------------------------
s2 TIMESTAMP running
s6 TIMESTAMP running
s2
s4
s5
s6
Snapshot s4 set as current
Domain snapshot s6 children deleted
s6
Domain snapshot s7 deleted
s6
Domain snapshot s6 deleted
s3
s2
s3
s3
s2
EOF
compare exp out.cooked || fail=1
cat <<EOF > exp || fail=1
error: operation failed: domain moment s1 already exists
error: marker
error: Operation not supported: cannot create checkpoint while snapshot exists
error: marker
error: marker
error: domain 'test' has no current snapshot
error: marker
EOF
compare exp err || fail=1
# Restore state with redefine
$abs_top_builddir/tools/virsh -c test:///default >out 2>err '
# Redefine must be in topological order; this will fail
snapshot-create test --redefine s2.xml --validate
echo --err marker
# This is the right order
snapshot-create test --redefine s3.xml --validate
snapshot-create test --redefine s2.xml --current --validate
snapshot-info test --current
' || fail=1
cat <<\EOF > exp || fail=1
Domain snapshot s3 created from 's3.xml'
Domain snapshot s2 created from 's2.xml'
Name: s2
Domain: test
Current: yes
State: running
Location: internal
Parent: s3
Children: 0
Descendants: 0
Metadata: yes
EOF
compare exp out || fail=1
cat <<EOF > exp || fail=1
error: invalid argument: parent s3 for moment s2 not found
error: marker
EOF
compare exp err || fail=1
(exit $fail); exit $fail
|
