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* journald logger: fix race conditionValentin Rothberg2021-05-26
| | | | | | | | | | | | | | | | | | | | | | | Fix a race in journald driver. Following the logs implies streaming until the container is dead. Streaming happened in one goroutine, waiting for the container to exit/die and signaling that event happened in another goroutine. The nature of having two goroutines running simultaneously is pretty much the core of the race condition. When the streaming goroutines received the signal that the container has exitted, the routine may not have read and written all of the container's logs. Fix this race by reading both, the logs and the events, of the container and stop streaming when the died/exited event has been read. The died event is guaranteed to be after all logs in the journal which guarantees not only consistencty but also a deterministic behavior. Note that the journald log driver now requires the journald event backend to be set. Fixes: #10323 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* podman image tree: restore previous behaviorValentin Rothberg2021-05-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The initial version of libimage changed the order of layers which has now been restored to remain backwards compatible. Further changes: * Fix a bug in the journald logging which requires to strip trailing new lines from the message. The system tests did not pass due to empty new lines. Triggered by changing the default logger to journald in containers/common. * Fix another bug in the journald logging which embedded the container ID inside the message rather than the specifid field. That surfaced in a preceeding whitespace of each log line which broke the system tests. * Alter the system tests to make sure that the k8s-file and the journald logging drivers are executed. * A number of e2e tests have been changed to force the k8s-file driver to make them pass when running inside a root container. * Increase the timeout in a kill test which seems to take longer now. Reasons are unknown. Tests passed earlier and no signal-related changes happend. It may be CI VM flake since some system tests but other flaked. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* RHEL gating tests: more journald exceptionsEd Santiago2020-12-14
| | | | | | | | | | | | | | | | | | | | Followup to #8284, due to my not having noticed #8096. RHEL gating tests are failing again due to rhbz#1895105, the one where we can't run journalctl rootless on RHEL. #8284 fixed this for some RHEL builds of older podman, but I missed #8096 which added yet another logs test. This brings us to three journalctl exceptions, which means it gets complicated because I have to refactor it all. **THIS IS NOT SUSTAINABLE**. We need some way to have a similar setup in CI, with a permission-less rootless login, so we don't add yet another logs test some day and discover, months later, that it doesn't work on RHEL and then have to go into crisis mode. Signed-off-by: Ed Santiago <santiago@redhat.com>
* Support Unix timestamps for `podman logs --since`Chih-Hsuan Yen2020-12-04
| | | | | | To match what podman-logs(1) describes --since Signed-off-by: Chih-Hsuan Yen <yan12125@gmail.com>
* system tests: skip journald tests on RHEL8Ed Santiago2020-11-09
| | | | | | | | (actually, on any system exhibiting the symptom wherein journalctl fails due to insufficient permissions, which for all practical purposes means only RHEL8) Signed-off-by: Ed Santiago <santiago@redhat.com>
* Fix Podman logs reading journaldAshley Cui2020-10-02
| | | | | | | A podman could not read logs written to journald properly, due to a tail config bug. Added a system test to check this - since e2e tests don't like journald Signed-off-by: Ashley Cui <acui@redhat.com>
* Reenable remote system testsEd Santiago2020-08-03
| | | | | | | | | | | | | | | | | | | podman-remote is in better shape now. Let's see what needs to be done to reenable remote system tests. - logs test: skip multilog, it doesn't work remote - diff test: use -l only when local, not with remote - many other tests: skip_if_remote, with 'FIXME: pending #xxxx' where xxxx is a filed issue. Unrelated: added new helper to skip_if_remote and _if_rootless, where we check if the source message includes "remote"/"rootless" and insert it if missing. This is a minor usability enhancement to make it easier to understand at-a-glance why a skip triggers. Signed-off-by: Ed Santiago <santiago@redhat.com>
* bats - various small updatesEd Santiago2019-04-18
| | | | | | | | | | | | | | - podman-remote: - enable log, run and build tests, they're working now - well, except build + rootless. Skip that one. - add explanation of why info test is skipped - Giuseppe's permission test: - validate GraphRoot and RunRoot values - add verbose logging, to enable seeing full directory tree permissions on error Signed-off-by: Ed Santiago <santiago@redhat.com>
* BATS tests: start supporting podman-remoteEd Santiago2019-04-10
| | | | | | | | | | | | | | podman-remote now supports rm! That's what we needed to start running BATS tests. Although most tests don't actually work, some do, and maybe the rest will start working over time. For now, disable them. The only significant difference found is that podman-remote strips fractional seconds from timestamps in JSON output. Probably not something worth caring about. Signed-off-by: Ed Santiago <santiago@redhat.com>
* BATS: new tests, and improvements to existing onesEd Santiago2019-03-18
| | | | | | | | | | | | | | | | | | | | | New: - podman exec - podman load (requires #2674) - CLI parsing (regression test for #2574) Improved: - help: test "podman NoSuchCommand", and subcommands - help: test "podman cmd" without required args - pod: start with --infra=false; this allows running rootless - log: also run 'logs' after container is run - log: test -f with two containers Also, use helpful descriptions for skip_if_rootless Tested on f29, root and rootless. As soon as podman-remote supports rm, I'll start testing that too. Signed-off-by: Ed Santiago <santiago@redhat.com>
* Implement review feedbackEd Santiago2019-03-07
- document a recommended convention for fail-fast tests - document the requirement for jq. (And, add a fail-fast test for its presence; remove the duplicated checks in subtests) - add further sanity checks to 'help' test. Add missing documentation. Remove a no-longer-needed workaround for usage-message bug fixed in #2486 - add a documented TEMPLATE - and, since we're at 1.1, enable 'Remote API' check in version test - better diagnostics in setup/teardown; add vim filetype hint; better formatting of actual-vs-expect errors - new pod-top, logs, build tests - improve error messages - add $IMAGE alias for ridiculous $PODMAN_TEST_IMAGE_FQN - final cleanup, in prep for merge Signed-off-by: Ed Santiago <santiago@redhat.com>