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https://github.com/libguestfs/libguestfs.git
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47ac4871b2
These APIs allow you to capture output from guest commands that generate more output than the protocol limit allows. Thanks: Nijin Ashok Fixes: https://issues.redhat.com/browse/RHEL-80159
74 lines
2.2 KiB
Bash
Executable File
74 lines
2.2 KiB
Bash
Executable File
#!/bin/bash -
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# libguestfs
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# Copyright (C) 2025 Red Hat Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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# Test command-out. We can't easily test sh-out without having a
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# shell (which requires a full guest), however the code path for both
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# is essentially identical.
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source ./functions.sh
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set -e
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set -x
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skip_if_skipped
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skip_unless stat --version
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# Binary must exist and must be linked statically.
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bin=large-command/test-large-command
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skip_unless test -x $bin
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skip_unless bash -c " ldd $bin |& grep -sq 'not a dynamic executable' "
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disk=large-command/test.img
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rm -f $disk
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out1=large-command/test.out1
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out2=large-command/test.out2
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out3=large-command/test.out3
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out4=large-command/test.out4
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# Must be larger than protocol size, currently 4MB.
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size=$((10 * 1024 * 1024))
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guestfish -x -N $disk=fs -m /dev/sda1 <<EOF
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upload $bin /test-large-command
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chmod 0755 /test-large-command
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command-out "/test-large-command $size" $out1
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# Check smaller sizes work as well.
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command-out "/test-large-command 0" $out2
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command-out "/test-large-command 1" $out3
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command-out "/test-large-command 80" $out4
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EOF
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ls -l $out1 $out2 $out3 $out4
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cat $out2
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cat $out3
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cat $out4
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# Check the sizes are correct.
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test "$( stat -c '%s' $out1 )" -eq $size
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test "$( stat -c '%s' $out2 )" -eq 0
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test "$( stat -c '%s' $out3 )" -eq 1
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test "$( stat -c '%s' $out4 )" -eq 80
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# Check the content is correct, for the smaller files.
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test `cat $out3` = "x"
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test `cat $out4` = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
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rm $disk $out1 $out2 $out3 $out4
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