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#!/usr/bin/env bats -*- bats -*-
#
# Tests for podman exec
#
load helpers
@test "podman exec - basic test" {
rand_filename=$(random_string 20)
rand_content=$(random_string 50)
# Start a container. Write random content to random file, then stay
# alive as long as file exists. (This test will remove that file soon.)
run_podman run -d $IMAGE sh -c \
"echo $rand_content >/$rand_filename;echo READY;while [ -f /$rand_filename ]; do sleep 1; done"
cid="$output"
wait_for_ready $cid
run_podman exec $cid sh -c "cat /$rand_filename"
is "$output" "$rand_content" "Can exec and see file in running container"
# Specially defined situations: exec a dir, or no such command.
# We don't check the full error message because runc & crun differ.
run_podman 126 exec $cid /etc
is "$output" ".*permission denied" "podman exec /etc"
run_podman 127 exec $cid /no/such/command
is "$output" ".*such file or dir" "podman exec /no/such/command"
# Done
run_podman exec $cid rm -f /$rand_filename
run_podman wait $cid
is "$output" "0" "output from podman wait (container exit code)"
run_podman rm $cid
}
@test "podman exec - leak check" {
skip_if_remote
# Start a container in the background then run exec command
# three times and make sure no any exec pid hash file leak
run_podman run -td $IMAGE /bin/sh
cid="$output"
is "$(check_exec_pid)" "" "exec pid hash file indeed doesn't exist"
for i in {1..3}; do
run_podman exec $cid /bin/true
done
is "$(check_exec_pid)" "" "there isn't any exec pid hash file leak"
run_podman stop --time 1 $cid
run_podman rm -f $cid
}
# Issue #4785 - piping to exec statement - fixed in #4818
# Issue #5046 - piping to exec truncates results (actually a conmon issue)
@test "podman exec - cat from stdin" {
skip_if_remote
run_podman run -d $IMAGE sh -c 'while [ ! -e /stop ]; do sleep 0.1;done'
cid="$output"
echo_string=$(random_string 20)
run_podman exec -i $cid cat < <(echo $echo_string)
is "$output" "$echo_string" "output read back from 'exec cat'"
# #5046 - large file content gets lost via exec
# Generate a large file with random content; get a hash of its content
local bigfile=${PODMAN_TMPDIR}/bigfile
dd if=/dev/urandom of=$bigfile bs=1024 count=1500
expect=$(sha512sum $bigfile | awk '{print $1}')
# Transfer it to container, via exec, make sure correct #bytes are sent
run_podman exec -i $cid dd of=/tmp/bigfile bs=512 <$bigfile
is "${lines[0]}" "3000+0 records in" "dd: number of records in"
is "${lines[1]}" "3000+0 records out" "dd: number of records out"
# Verify sha. '% *' strips off the path, keeping only the SHA
run_podman exec $cid sha512sum /tmp/bigfile
is "${output% *}" "$expect" "SHA of file in container"
# Clean up
run_podman exec $cid touch /stop
run_podman wait $cid
run_podman rm $cid
}
# #6829 : add username to /etc/passwd inside container if --userns=keep-id
# #6593 : doesn't actually work with podman exec
@test "podman exec - with keep-id" {
run_podman run -d --userns=keep-id $IMAGE sh -c \
"echo READY;while [ ! -f /stop ]; do sleep 1; done"
cid="$output"
wait_for_ready $cid
run_podman exec $cid id -un
is "$output" "$(id -un)" "container is running as current user"
# Until #6593 gets fixed, this just hangs. The server process barfs with:
# unable to find user <username>: no matching entries in passwd file
run_podman exec --user=$(id -un) $cid touch /stop
run_podman wait $cid
run_podman rm $cid
}
# vim: filetype=sh
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