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Changed the requires file to take 'before' and 'after' parameters to declare forward and backward dependencies. Declaring 'before' will FORCE the listed module to be installed along with this one. See the docs.

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This commit is contained in:
Andrew Kesterson
2012-08-23 21:32:27 -04:00
parent 68c32cadf3
commit 86b19b9743
5 changed files with 84 additions and 18 deletions
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61
universe/bin/disco-ball
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@@ -31,38 +31,86 @@ function fetch_params() {
return $RETVAL
}
function params() {
if [ "$1" == "" ]; then
echo "Must pass a module name to fetch data for"
return 1
fi
mkdir -p ${DISCOROOT}/reports/$1
rm -f ${DISCOROOT}/reports/${1}/params
/usr/bin/time -f "$TIME" -o ${DISCOROOT}/reports/$1/params \
rsync -aWH ${STORAGE}/parameters/* ${DISCOROOT}/parameters/$(hostname)/
return $?
}
function fetch() {
if [ "$1" == "" ]; then
echo "Must pass a module name to fetch"
echo "Must pass a module name to fetch data for"
return 1
fi
SRC="${SERVERURI}::${1}"
if [ "$2" != "" ]; then
SRC="$2"
fi
if [ "$NOOP" == "" ]; then
DEST=/var/disco/testfs/real/scratchfs
else
DEST=/var/disco/testfs/noop/scratchfs
fi
rm -rf ${STORAGE}/${1}
mkdir -p ${DISCOROOT}/reports/$1
rm -f ${DISCOROOT}/reports/${1}/fetch
# Sometimes there's some shell escaping voodoo and rsync doesn't like the command args some people will pass it straight on
# the command line; so we wrap it in a little bash script, and everyone's happy.
echo ${RSYNC} ${SERVERURI}::${1}/files/* ${DEST} > /tmp/$$.sh
echo ${RSYNC} --delete ${SERVERURI}::${1}/requires ${SERVERURI}::${1}/scripts ${SERVERURI}::${1}/parameters ${SERVERURI}::${1}/templates ${STORAGE}/${1} >> /tmp/$$.sh
echo ${RSYNC} --delete ${SRC}/requires ${SRC}/scripts ${SRC}/parameters ${SRC}/templates ${STORAGE}/${1} > /tmp/$$.sh
echo 'exit $?' >> /tmp/$$.sh
/usr/bin/time -f "$TIME" -o ${DISCOROOT}/reports/${1}/fetch /tmp/$$.sh 2>/tmp/$$.errors | sed s/"^"/"info: ${1}: "/g
/usr/bin/time -f "$TIME" -o ${DISCOROOT}/reports/${1}/fetch /bin/bash /tmp/$$.sh 2>/tmp/$$.errors | sed s/"^"/"info: ${1}: "/g
cat /tmp/$$.errors | grep -v "some files/attrs were not transferred" | sed s/"^"/"error: ${1}: "/g
RETVAL=$?
rm -f /tmp/$$.sh
return $RETVAL
}
function files() {
if [ "$1" == "" ]; then
echo "Must pass a module name to retrieve files for"
return 1
fi
SRC="${SERVERURI}::${1}"
if [ "$2" != "" ]; then
SRC="$2"
fi
if [ "$NOOP" == "" ]; then
DEST=/var/disco/testfs/real/scratchfs
else
DEST=/var/disco/testfs/noop/scratchfs
fi
mkdir -p ${DISCOROOT}/reports/$1
rm -f ${DISCOROOT}/reports/${1}/files
# Sometimes there's some shell escaping voodoo and rsync doesn't like the command args some people will pass it straight on
# the command line; so we wrap it in a little bash script, and everyone's happy.
echo ${RSYNC} ${SRC}/files/* ${DEST} > /tmp/$$.sh
echo 'exit $?' >> /tmp/$$.sh
/usr/bin/time -f "$TIME" -o ${DISCOROOT}/reports/${1}/files /bin/bash /tmp/$$.sh 2>/tmp/$$.errors | sed s/"^"/"info: ${1}: "/g
cat /tmp/$$.errors | grep -v "some files/attrs were not transferred" | sed s/"^"/"error: ${1}: "/g
RETVAL=$?
rm -f /tmp/$$.sh
return $RETVAL
}
function requires()
{
if [ "$1" == "" ]; then
echo "Must pass a module name for requirements"
return 1
fi
cat ${STORAGE}/${1}/requires | sed s/"^"/"${1} "/g
cat ${STORAGE}/${1}/requires 2>/dev/null |\
grep -v "^#" |\
sed -e s/"^ *after"/"${1} "/g \
-e s/"^ *before *\([a-zA-Z0-9\-_\.]*\)"/"\1 ${1}"/g
}
function exec() {
@@ -117,6 +165,7 @@ function template() {
function spin() {
module=$1
echo "info: Processing ${module}"
NOOP="true" files $module
NOOP="true" template $module
if [ "$NOOP" == "" ]; then
# We rsync all the configs and files into the 'real' scratchfs so that we can
@@ -146,4 +195,4 @@ function spin() {
return $?
}
$1 $2
$1 "$2" "$3" "$4" "$5" "$6" "$7" "$8"