#!/usr/bin/env bats -*- bats -*- # # Basic tests for podman logs # load helpers @test "podman logs - basic test" { rand_string=$(random_string 40) run_podman create $IMAGE echo $rand_string cid="$output" run_podman logs $cid is "$output" "" "logs on created container: empty" run_podman start --attach --interactive $cid is "$output" "$rand_string" "output from podman-start on created ctr" is "$output" "$rand_string" "logs of started container" run_podman logs $cid is "$output" "$rand_string" "output from podman-logs after container is run" # test --since with Unix timestamps run_podman logs --since 1000 $cid run_podman rm $cid } function _log_test_multi() { local driver=$1 skip_if_remote "logs does not support multiple containers when run remotely" # Under k8s file, 'podman logs' returns just the facts, Ma'am. # Under journald, there may be other cruft (e.g. container removals) local etc= if [[ $driver =~ journal ]]; then etc='.*' fi # Simple helper to make the container starts, below, easier to read local -a cid doit() { run_podman run --log-driver=$driver --rm -d --name "$1" $IMAGE sh -c "$2"; cid+=($(echo "${output:0:12}")) } # Not really a guarantee that we'll get a-b-c-d in order, but it's # the best we can do. The trailing 'sleep' in each container # minimizes the chance of a race condition in which the container # is removed before 'podman logs' has a chance to wake up and read # the final output. doit c1 "echo a;sleep 10;echo d;sleep 3" doit c2 "sleep 1;echo b;sleep 2;echo c;sleep 3" run_podman logs -f c1 c2 is "$output" \ "${cid[0]} a$etc ${cid[1]} b$etc ${cid[1]} c$etc ${cid[0]} d" "Sequential output from logs" } @test "podman logs - multi k8s-file" { _log_test_multi k8s-file } @test "podman logs - multi journald" { # We can't use journald on RHEL as rootless: rhbz#1895105 skip_if_journald_unavailable _log_test_multi journald } @test "podman logs - journald log driver requires journald events backend" { skip_if_remote "remote does not support --events-backend" # We can't use journald on RHEL as rootless: rhbz#1895105 skip_if_journald_unavailable run_podman --events-backend=file run --log-driver=journald -d --name test --replace $IMAGE ls / run_podman --events-backend=file logs test run_podman 125 --events-backend=file logs --follow test is "$output" "Error: using --follow with the journald --log-driver but without the journald --events-backend (file) is not supported" "journald logger requires journald eventer" } function _log_test_since() { local driver=$1 s_before="before_$(random_string)_${driver}" s_after="after_$(random_string)_${driver}" before=$(date --iso-8601=seconds) run_podman run --log-driver=$driver -d --name test $IMAGE sh -c \ "echo $s_before; trap 'echo $s_after; exit' SIGTERM; while :; do sleep 1; done" # sleep a second to make sure the date is after the first echo sleep 1 after=$(date --iso-8601=seconds) run_podman stop test run_podman logs test is "$output" \ "$s_before $s_after" run_podman logs --since $before test is "$output" \ "$s_before $s_after" run_podman logs --since $after test is "$output" "$s_after" run_podman rm -f test } @test "podman logs - since k8s-file" { _log_test_since k8s-file } @test "podman logs - since journald" { # We can't use journald on RHEL as rootless: rhbz#1895105 skip_if_journald_unavailable _log_test_since journald } # vim: filetype=sh