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600462834f
In many files there are header comments that contain an Author: statement, supposedly reflecting who originally wrote the code. In a large collaborative project like libvirt, any non-trivial file will have been modified by a large number of different contributors. IOW, the Author: comments are quickly out of date, omitting people who have made significant contribitions. In some places Author: lines have been added despite the person merely being responsible for creating the file by moving existing code out of another file. IOW, the Author: lines give an incorrect record of authorship. With this all in mind, the comments are useless as a means to identify who to talk to about code in a particular file. Contributors will always be better off using 'git log' and 'git blame' if they need to find the author of a particular bit of code. This commit thus deletes all Author: comments from the source and adds a rule to prevent them reappearing. The Copyright headers are similarly misleading and inaccurate, however, we cannot delete these as they have legal meaning, despite being largely inaccurate. In addition only the copyright holder is permitted to change their respective copyright statement. Reviewed-by: Erik Skultety <eskultet@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
127 lines
3.4 KiB
Bash
127 lines
3.4 KiB
Bash
#!/bin/sh
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# lxc_native.c: LXC native configuration import
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#
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# Copyright (c) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library 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 GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library. If not, see
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# <http://www.gnu.org/licenses/>.
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#
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handler_cleanup()
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{
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if test "$conf_dir"; then
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# Remove the temporary config
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rm -r "$conf_dir"
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fi
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}
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trap handler_cleanup INT EXIT
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show_help()
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{
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cat << EOF
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$0 /path/to/lxc/config/file
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Wrapper around virsh domxml-from-native to ease conversion of LXC
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containers configuration to libvirt domain XML.
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EOF
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}
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if test $# != 1; then
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show_help
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exit 1
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fi
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if test "$1" = "--help" || test "$1" = "-h"; then
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show_help
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exit $?
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fi
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conf=$1
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conf_dir=$(mktemp --tmpdir -d virt-lxc-convert-XXX)
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conf_new=$conf_dir/config
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cp "$conf" "$conf_new"
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# Do we have lxc.mount, and is it pointing to a readable file?
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fstab=$(sed -n '/lxc.mount[[:space:]]*=/ s/[[:space:]]*=[[:space:]]*/=/p' \
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"$conf_new" | cut -f 2 -d '=')
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if test -r "$fstab"; then
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sed 's/^lxc.mount[[:space:]]*=.*$//' "$conf_new" >"${conf_new}.tmp"
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mv "${conf_new}.tmp" "${conf_new}"
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sed 's/^\([^#]\)/lxc.mount.entry = \1/' "$fstab" >>"${conf_new}"
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fi
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memory=$(free -b | sed -n '/Mem:/s/ \+/ /gp' | cut -f 2 -d ' ')
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default_tmpfs="size=$((memory/2))"
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# Do we have tmpfs without size param?
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lineno=0
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while read line; do
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lineno=$(expr $lineno + 1)
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has_rel_size=false
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case $line in
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lxc.mount.entry[[:space:]]*=[[:space:]]*tmpfs[[:space:]]*)
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is_tmpfs=true
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;;
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*)
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is_tmpfs=false
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;;
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esac
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# We only care about tmpfs mount entries here
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if ! $is_tmpfs; then
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continue
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fi
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case $line in
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*size=[0-9][0-9]*%*)
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has_rel_size=true
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has_size=true
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;;
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*size=*)
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has_size=true
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;;
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*)
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has_size=false
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;;
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esac
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# Add the default size here (50%) if no size is given
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if ! $has_size; then
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last_option_match="\([[:space:]]*[0-9][[:space:]]*[0-9][::space::]*$\)"
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sed "${lineno}s/$last_option_match/,$default_tmpfs\1/" \
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"$conf_new" >"${conf_new}.tmp"
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mv "${conf_new}.tmp" "${conf_new}"
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fi
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# Convert relative sizes
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if $has_rel_size; then
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percent=$(echo "$line" | sed 's/.*size=\([0-9][0-9]*\)%.*/\1/')
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size="$((memory*percent/100))"
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sed "${lineno}s/size=[0-9]*%/size=${size}/" \
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"$conf_new" >"${conf_new}.tmp"
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mv "${conf_new}.tmp" "${conf_new}"
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fi
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done < "$conf_new"
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# Do we have any memory limit set?
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mem_limit=$(grep 'lxc.cgroup.memory.limit_in_bytes[[:space:]]*=' $conf_new)
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if test -z "$mem_limit"; then
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echo "lxc.cgroup.memory.limit_in_bytes = $memory" >> "$conf_new"
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fi
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virsh -c lxc:///system domxml-from-native lxc-tools $conf_new
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exit $?
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