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slirp4netns: Look up pasta command, exit if not found

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Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio 2022-02-04 17:24:14 +01:00
parent 70c05e678e
commit a5d4a5156f
1 changed files with 6 additions and 1 deletions
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7
slirp4netns.sh
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@ -17,7 +17,10 @@
PASTA_PID="$(mktemp)" PASTA_PID="$(mktemp)"
PASTA_OPTS="-q --ipv4-only -a 10.0.2.0 -n 24 -g 10.0.2.2 -m 1500 --no-ndp --no-dhcpv6 --no-dhcp -P ${PASTA_PID}" PASTA_OPTS="-q --ipv4-only -a 10.0.2.0 -n 24 -g 10.0.2.2 -m 1500 --no-ndp --no-dhcpv6 --no-dhcp -P ${PASTA_PID}"
PASTA="$(command -v ./pasta || command -v pasta || :)"
USAGE_RET=1 USAGE_RET=1
NOTFOUND_RET=127
# add() - Add single option to $PASTA_OPTS # add() - Add single option to $PASTA_OPTS
# $1: Option name, with or without argument # $1: Option name, with or without argument
@ -161,6 +164,8 @@ no_map_gw=0
EFD=0 EFD=0
RFD=0 RFD=0
[ -z "${PASTA}" ] && echo "pasta command not found" && exit ${NOTFOUND_RET}
while getopts ce:r:m:6a:hv-: OPT 2>/dev/null; do while getopts ce:r:m:6a:hv-: OPT 2>/dev/null; do
if [ "${OPT}" = "-" ]; then if [ "${OPT}" = "-" ]; then
OPT="${OPTARG%%[= ]*}" OPT="${OPTARG%%[= ]*}"
@ -198,7 +203,7 @@ if [ ${v6} -eq 1 ]; then
add "-a $(gen_addr6) -g fd00::2 -D fd00::3" add "-a $(gen_addr6) -g fd00::2 -D fd00::3"
fi fi
./pasta ${PASTA_OPTS} ${ns_spec} 2>/dev/null && \ ${PASTA} ${PASTA_OPTS} ${ns_spec} && \
[ ${RFD} -ne 0 ] && echo "1" >&${RFD} [ ${RFD} -ne 0 ] && echo "1" >&${RFD}
trap "kill $(cat ${PASTA_PID}); rm ${PASTA_PID}" INT TERM trap "kill $(cat ${PASTA_PID}); rm ${PASTA_PID}" INT TERM