diff options
Diffstat (limited to 'test/system')
-rw-r--r-- | test/system/130-kill.bats | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/test/system/130-kill.bats b/test/system/130-kill.bats new file mode 100644 index 000000000..af3409b9b --- /dev/null +++ b/test/system/130-kill.bats @@ -0,0 +1,92 @@ +#!/usr/bin/env bats -*- bats -*- +# +# tests for podman kill +# + +load helpers + +@test "podman kill - test signal handling in containers" { + # Start a container that will handle all signals by emitting 'got: N' + local -a signals=(1 2 3 4 5 6 8 10 12 13 14 15 16 20 21 22 23 24 25 26 64) + run_podman run -d $IMAGE sh -c "for i in ${signals[*]}; do trap \"echo got: \$i\" \$i; done; echo READY; while ! test -e /stop; do sleep 0.05; done;echo DONE" + cid="$output" + + # Run 'logs -f' on that container, but run it in the background with + # redirection to a named pipe from which we (foreground job) read + # and confirm that signals are received. We can't use run_podman here. + local fifo=${PODMAN_TMPDIR}/podman-kill-fifo.$(random_string 10) + mkfifo $fifo + $PODMAN logs -f $cid >$fifo & + podman_log_pid=$! + # First container emits READY when ready; wait for it. + read -t 10 ready <$fifo + is "$ready" "READY" "first log message from container" + + # Helper function: send the given signal, verify that it's received. + kill_and_check() { + local signal=$1 + local signum=${2:-$1} # e.g. if signal=HUP, we expect to see '1' + + run_podman kill -s $signal $cid + read -t 10 actual <$fifo + is "$actual" "got: $signum" "Signal $signal handled by container" + } + + # Send signals in random order; make sure each one is received + for s in $(fmt --width=2 <<< "${signals[*]}" | sort --random-sort);do + kill_and_check $s + done + + # Variations: with leading dash; by name, with/without dash or SIG + kill_and_check -1 1 + kill_and_check -INT 2 + kill_and_check FPE 8 + kill_and_check -SIGUSR1 10 + kill_and_check SIGUSR2 12 + + # Done. Tell the container to stop, and wait for final DONE + run_podman exec $cid touch /stop + read -t 5 done <$fifo + is "$done" "DONE" "final log message from container" + + # Clean up + run_podman wait $cid + run_podman rm $cid + wait $podman_log_pid +} + +@test "podman kill - rejects invalid args" { + # These errors are thrown by the imported docker/signal.ParseSignal() + local -a bad_signal_names=(0 SIGBADSIG SIG BADSIG %% ! "''" '""' " ") + for s in ${bad_signal_names[@]}; do + # 'nosuchcontainer' is fine: podman should bail before it gets there + run_podman 125 kill -s $s nosuchcontainer + is "$output" "Error: Invalid signal: $s" "Error from kill -s $s" + + run_podman 125 pod kill -s $s nosuchpod + is "$output" "Error: Invalid signal: $s" "Error from pod kill -s $s" + done + + # Special case: these too are thrown by docker/signal.ParseSignal(), + # but the dash sign is stripped by our wrapper in utils, so the + # error message doesn't include the dash. + local -a bad_dash_signals=(-0 -SIGBADSIG -SIG -BADSIG -) + for s in ${bad_dash_signals[@]}; do + run_podman 125 kill -s $s nosuchcontainer + is "$output" "Error: Invalid signal: ${s##-}" "Error from kill -s $s" + done + + # This error (signal out of range) is thrown by our wrapper + local -a bad_signal_nums=(65 -65 96 999 99999999) + for s in ${bad_signal_nums[@]}; do + run_podman 125 kill -s $s nosuchcontainer + is "$output" "Error: valid signals are 1 through 64" \ + "Error from kill -s $s" + done + + # 'podman create' uses the same parsing code + run_podman 125 create --stop-signal=99 $IMAGE + is "$output" "Error: valid signals are 1 through 64" "podman create" +} + +# vim: filetype=sh |