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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2022-04-15 06:02:02 -0400
committerGitHub <noreply@github.com>2022-04-15 06:02:02 -0400
commit92625eadc600c22897b8c6b2955eacc27a045f84 (patch)
tree3dff6828801c01f2e26d309919333aaa0181f6d4 /test
parentf2ab79cc02520fde565729727184767726bb09ce (diff)
parent3da3afa5764bcec2d50b219446579b5770051f32 (diff)
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Merge pull request #13641 from nicrowe00/logfile
Add log rotation based on log size
Diffstat (limited to 'test')
-rw-r--r--test/system/090-events.bats65
1 files changed, 65 insertions, 0 deletions
diff --git a/test/system/090-events.bats b/test/system/090-events.bats
index a0b0380a2..cac0a177c 100644
--- a/test/system/090-events.bats
+++ b/test/system/090-events.bats
@@ -129,3 +129,68 @@ EOF
run cat $events_file
is "$output" ".*\"Name\":\"$IMAGE" "test"
}
+
+function _populate_events_file() {
+ # Create 100 duplicate entries to populate the events log file.
+ local events_file=$1
+ truncate --size=0 $events_file
+ for i in {0..99}; do
+ printf '{"Name":"busybox","Status":"pull","Time":"2022-04-06T11:26:42.7236679%02d+02:00","Type":"image","Attributes":null}\n' $i >> $events_file
+ done
+}
+
+@test "events log-file rotation" {
+ skip_if_remote "setting CONTAINERS_CONF logger options does not affect remote client"
+
+ # Make sure that the events log file is (not) rotated depending on the
+ # settings in containers.conf.
+
+ # Config without a limit
+ eventsFile=$PODMAN_TMPDIR/events.txt
+ _populate_events_file $eventsFile
+ containersConf=$PODMAN_TMPDIR/containers.conf
+ cat >$containersConf <<EOF
+[engine]
+events_logger="file"
+events_logfile_path="$eventsFile"
+EOF
+
+ # Create events *without* a limit and make sure that it has not been
+ # rotated/truncated.
+ contentBefore=$(head -n100 $eventsFile)
+ CONTAINERS_CONF=$containersConf run_podman run --rm $IMAGE true
+ contentAfter=$(head -n100 $eventsFile)
+ is "$contentBefore" "$contentAfter" "events file has not been rotated"
+
+ # Repopulate events file
+ rm $eventsFile
+ _populate_events_file $eventsFile
+
+ # Config with a limit
+ rm $containersConf
+ cat >$containersConf <<EOF
+[engine]
+events_logger="file"
+events_logfile_path="$eventsFile"
+# The limit of 4750 is the *exact* half of the inital events file.
+events_logfile_max_size=4750
+EOF
+
+ # Create events *with* a limit and make sure that it has been
+ # rotated/truncated. Once rotated, the events file should only contain the
+ # second half of its previous events plus the new ones.
+ expectedContentAfterTruncation=$PODMAN_TMPDIR/truncated.txt
+
+ run_podman create $IMAGE
+ CONTAINERS_CONF=$containersConf run_podman rm $output
+ tail -n52 $eventsFile >> $expectedContentAfterTruncation
+
+ # Make sure the events file looks as expected.
+ is "$(cat $eventsFile)" "$(cat $expectedContentAfterTruncation)" "events file has been rotated"
+
+ # Make sure that `podman events` can read the file, and that it returns the
+ # same amount of events. We checked the contents before.
+ CONTAINERS_CONF=$containersConf run_podman events --stream=false --since="2022-03-06T11:26:42.723667984+02:00"
+ is "$(wc -l <$eventsFile)" "$(wc -l <<<$output)" "all events are returned"
+ is "${lines[-2]}" ".* log-rotation $eventsFile"
+}