forked from ungleich-public/cdist
Merge branch 'fix/type/__package_opkg/lock' into 'master'
__package_opkg: Add locking See merge request ungleich-public/cdist!896
This commit is contained in:
commit
684043bf37
2 changed files with 109 additions and 41 deletions
|
@ -1,7 +1,8 @@
|
||||||
#!/bin/sh
|
#!/bin/sh -e
|
||||||
#
|
#
|
||||||
# 2011 Nico Schottelius (nico-cdist at schottelius.org)
|
# 2011 Nico Schottelius (nico-cdist at schottelius.org)
|
||||||
# 2012 Giel van Schijndel (giel plus cdist at mortis dot eu)
|
# 2012 Giel van Schijndel (giel plus cdist at mortis dot eu)
|
||||||
|
# 2020 Dennis Camera (dennis.camera at ssrq-sds-fds.ch)
|
||||||
#
|
#
|
||||||
# This file is part of cdist.
|
# This file is part of cdist.
|
||||||
#
|
#
|
||||||
|
@ -19,21 +20,78 @@
|
||||||
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
|
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
|
||||||
#
|
#
|
||||||
#
|
#
|
||||||
# Retrieve the status of a package - parsed opkg output
|
# Retrieve the status of a package - parses opkg output
|
||||||
#
|
#
|
||||||
|
|
||||||
if [ -f "$__object/parameter/name" ]; then
|
readonly __type_path=${__object%%${__object_id}*}
|
||||||
name="$(cat "$__object/parameter/name")"
|
test -d "${__type_path}" || { echo 'Cannot determine __type_path' >&2; exit 1; }
|
||||||
|
readonly LOCKFILE="${__type_path:?}/.cdist_opkg.lock"
|
||||||
|
|
||||||
|
if command -v flock >/dev/null 2>&1
|
||||||
|
then
|
||||||
|
# use flock (if available) on FD 9
|
||||||
|
_lock() {
|
||||||
|
exec 9<>"${LOCKFILE:?}"
|
||||||
|
flock -x 9
|
||||||
|
echo $$>&9
|
||||||
|
}
|
||||||
|
_unlock() {
|
||||||
|
:>"${LOCKFILE:?}"
|
||||||
|
flock -u 9
|
||||||
|
exec 9<&-
|
||||||
|
}
|
||||||
else
|
else
|
||||||
name="$__object_id"
|
# fallback to mkdir if flock is missing
|
||||||
|
_lock() {
|
||||||
|
until mkdir "${LOCKFILE:?}.dir" 2>/dev/null
|
||||||
|
do
|
||||||
|
while test -d "${LOCKFILE}.dir"
|
||||||
|
do
|
||||||
|
# DEBUG:
|
||||||
|
# printf 'Locked by PID: %u\n' "$(cat "${LOCKFILE}.dir/pid")"
|
||||||
|
sleep 1
|
||||||
|
done
|
||||||
|
done
|
||||||
|
echo $$ >"${LOCKFILE:?}.dir/pid"
|
||||||
|
}
|
||||||
|
_unlock() {
|
||||||
|
test -d "${LOCKFILE}.dir" || return 0
|
||||||
|
if test -s "${LOCKFILE}.dir/pid"
|
||||||
|
then
|
||||||
|
test "$(cat "${LOCKFILE}.dir/pid")" = $$ || return 1
|
||||||
|
rm "${LOCKFILE:?}.dir/pid"
|
||||||
|
fi
|
||||||
|
rmdir "${LOCKFILE:?}.dir"
|
||||||
|
}
|
||||||
fi
|
fi
|
||||||
|
|
||||||
# Except dpkg failing, if package is not known / installed
|
|
||||||
if opkg status "$name" 2>/dev/null | grep -q "^Status: install user installed$"; then
|
if test -f "${__object}/parameter/name"
|
||||||
echo "present"
|
then
|
||||||
exit 0
|
pkg_name=$(cat "${__object}/parameter/name")
|
||||||
elif [ "$(opkg info "$name" 2> /dev/null | wc -l)" -eq 0 ]; then
|
else
|
||||||
echo "absent notpresent"
|
pkg_name=$__object_id
|
||||||
exit 0
|
fi
|
||||||
|
|
||||||
|
|
||||||
|
# NOTE: We need to lock parallel execution of type explorers and code-remote
|
||||||
|
# because opkg will try to acquire the OPKG lock (usually /var/lock/opkg.lock)
|
||||||
|
# using lockf(2) for every operation.
|
||||||
|
# It will not wait for the lock but terminate with an error.
|
||||||
|
# This leads to incorrect 'absent notpresent' statuses when parallel execution
|
||||||
|
# is enabled.
|
||||||
|
trap _unlock EXIT
|
||||||
|
_lock
|
||||||
|
|
||||||
|
|
||||||
|
# Except opkg failing, if package is not known / installed
|
||||||
|
if opkg status "${pkg_name}" 2>/dev/null \
|
||||||
|
| grep -q -e '^Status: [^ ][^ ]* [^ ][^ ]* installed$'
|
||||||
|
then
|
||||||
|
echo 'present'
|
||||||
|
elif opkg info "${pkg_name}" 2>/dev/null | grep -q .
|
||||||
|
then
|
||||||
|
echo 'absent notpresent'
|
||||||
|
else
|
||||||
|
echo 'absent'
|
||||||
fi
|
fi
|
||||||
echo "absent"
|
|
||||||
|
|
|
@ -2,6 +2,7 @@
|
||||||
#
|
#
|
||||||
# 2011,2013 Nico Schottelius (nico-cdist at schottelius.org)
|
# 2011,2013 Nico Schottelius (nico-cdist at schottelius.org)
|
||||||
# 2012 Giel van Schijndel (giel plus cdist at mortis dot eu)
|
# 2012 Giel van Schijndel (giel plus cdist at mortis dot eu)
|
||||||
|
# 2020 Dennis Camera (dennis.camera at ssrq-sds-fds.ch)
|
||||||
#
|
#
|
||||||
# This file is part of cdist.
|
# This file is part of cdist.
|
||||||
#
|
#
|
||||||
|
@ -19,41 +20,50 @@
|
||||||
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
|
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
|
||||||
#
|
#
|
||||||
#
|
#
|
||||||
# Manage packages on OpenWRT and co.
|
# Manage packages on OpenWrt, optware, and co.
|
||||||
#
|
#
|
||||||
|
|
||||||
if [ -f "$__object/parameter/name" ]; then
|
if test -f "${__object}/parameter/name"
|
||||||
name="$(cat "$__object/parameter/name")"
|
then
|
||||||
|
name=$(cat "${__object}/parameter/name")
|
||||||
else
|
else
|
||||||
name="$__object_id"
|
name=$__object_id
|
||||||
fi
|
fi
|
||||||
|
|
||||||
state_should="$(cat "$__object/parameter/state")"
|
state_should=$(cat "${__object}/parameter/state")
|
||||||
|
state_is=$(cat "${__object}/explorer/pkg_status")
|
||||||
|
|
||||||
state_is="$(cat "$__object/explorer/pkg_status")"
|
case $state_is
|
||||||
case "$state_is" in
|
in
|
||||||
absent*)
|
(absent*)
|
||||||
present="$(echo "$state_is" | cut -d ' ' -f 2)"
|
presence=$(echo "${state_is}" | cut -d ' ' -f 2)
|
||||||
state_is="absent"
|
state_is='absent'
|
||||||
;;
|
;;
|
||||||
esac
|
esac
|
||||||
|
|
||||||
[ "$state_is" = "$state_should" ] && exit 0
|
if test "${state_is}" = "${state_should}"
|
||||||
|
then
|
||||||
|
exit 0
|
||||||
|
fi
|
||||||
|
|
||||||
case "$state_should" in
|
|
||||||
present)
|
case $state_should
|
||||||
if [ "$present" = "notpresent" ]; then
|
in
|
||||||
echo "opkg --verbosity=0 update"
|
(present)
|
||||||
fi
|
if test "${presence}" = 'notpresent'
|
||||||
echo "opkg --verbosity=0 install '$name'"
|
then
|
||||||
echo "installed" >> "$__messages_out"
|
echo 'opkg --verbosity=0 update'
|
||||||
;;
|
fi
|
||||||
absent)
|
|
||||||
echo "opkg --verbosity=0 remove '$name'"
|
printf "opkg --verbosity=0 install '%s'\n" "${name}"
|
||||||
echo "removed" >> "$__messages_out"
|
echo 'installed' >>"${__messages_out}"
|
||||||
;;
|
;;
|
||||||
*)
|
(absent)
|
||||||
echo "Unknown state: ${state_should}" >&2
|
printf "opkg --verbosity=0 remove '%s'" "${name}"
|
||||||
exit 1
|
echo 'removed' >>"${__messages_out}"
|
||||||
;;
|
;;
|
||||||
|
(*)
|
||||||
|
printf 'Unknown state: %s\n' "${state_should}" >&2
|
||||||
|
exit 1
|
||||||
|
;;
|
||||||
esac
|
esac
|
||||||
|
|
Loading…
Reference in a new issue