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systests: random_free_port: fix EADDRINUSE flake

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Fixes infrequent but annoying flake in which system tests
call random_free_port(), get a nice-looking port, then
fail with "bind: address already in use".

Signed-off-by: Ed Santiago <santiago@redhat.com>
This commit is contained in:
Ed Santiago
2023-09-06 06:08:59 -06:00
parent 3e5b28b1d4
commit c32cfb1d01
1 changed files with 1 additions and 0 deletions
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test/system/helpers.network.bash
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@ -251,6 +251,7 @@ function port_is_bound() {
*"."*) *"."*)
grep -e "^[^:]*: $(ipv4_to_procfs "${address}"):${port}" \ grep -e "^[^:]*: $(ipv4_to_procfs "${address}"):${port}" \
-e "^[^:]*: $(ipv4_to_procfs "0.0.0.0"):${port}" \ -e "^[^:]*: $(ipv4_to_procfs "0.0.0.0"):${port}" \
-e "^[^:]*: $(ipv4_to_procfs "127.0.0.1"):${port}" \
-q "/proc/net/${proto}" -q "/proc/net/${proto}"
;; ;;
*) *)