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* port forward range test: fix many oopsesEd Santiago2022-07-07
| | | | | | | | | | | | Wrong variable. And, wrong index range. And, wrong bash syntax for extracting end_port. And, add explicit check for valid range, because die() inside 'foo=$(...)' will not actually die. And, refactor some confusing code. And, reformat/clean up a confusing and too-wide comment. Fixes: #14854 Signed-off-by: Ed Santiago <santiago@redhat.com>
* Fix "podman run port forward range" flakePaul Holzinger2022-06-27
| | | | | | | | | | The test must ensure that all ports in the range are free not just the first. This flakes often because port 5355 is always in use by systemd-resolved on fedora. Fixes #14716 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* Fix spelling "setup" -> "set up" and similarErik Sjölund2022-06-22
| | | | | | | | | | * Replace "setup", "lookup", "cleanup", "backup" with "set up", "look up", "clean up", "back up" when used as verbs. Replace also variations of those. * Improve language in a few places. Signed-off-by: Erik Sjölund <erik.sjolund@gmail.com>
* system test image: bump to 20220615Ed Santiago2022-06-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes: - use --timestamp option to produce 'created' stamps that can be reliably tested in the image-history test - podman now supports manifest & multiarch run, so we no longer need buildah - bump up base alpine & busybox images This turned out to be WAY more complicated than it should've been, because: - alpine 3.14 fixed 'date -Iseconds' to include a colon in the TZ offset ("-07:00", was "-0700"). This is now consistent with GNU date's --iso-8601 format, yay, so we can eliminate a minor workaround. - with --timestamp, all ADDed files are set to that timestamp, including the custom-reference-timestamp file that many tests rely on. So we need to split the build into two steps. But: - ...with a two-step build I need to use --squash-all, not --squash, but: - ... (deep sigh) --squash-all doesn't work with --timestamp (#14536) so we need to alter existing tests to deal with new image layers. - And, long and sordid story relating to --rootfs. TL;DR that option only worked by a miracle relating to something special in one specific test image; it doesn't work with any other images. Fix seems to be complicated, so we're bypassing with a FIXME (#14505). And, unrelated: - remove obsolete skip and workaround in run-basic test (dating back to varlink days) - add a pause-image cleanup to avoid icky red warnings in logs Fixes: #14456 Signed-off-by: Ed Santiago <santiago@redhat.com>
* libpod: store network status when userns is usedPaul Holzinger2022-06-07
| | | | | | | | | | | | | | | | | | When a container with a userns is created the network setup is special. Normally the netns is setup before the oci runtime container is created, however with a userns the container is created first and then the network is setup. In the second case we never saved the container state afterwards. Because of it, podman inspect would not show the network info and network teardown will not happen. This worked with local podman because there was a save() call later in the code path which then also saved the network status. But in the podman API code path this save never happened thus all containers started via API had this problem. Fixes #14465 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* libpod: host netns keep same /etc/resolv.confPaul Holzinger2022-04-29
| | | | | | | | | | | | When a container is run in the host network namespace we have to keep the same resolv.conf content and not use the systemd-resolve detection logic. But also make sure we still allow --dns options. Fixes #14055 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* fix incorrect permissions for /etc/resolv.conf in usernsPaul Holzinger2022-04-29
| | | | | | | | | | | | | | The files /etc/hosts, /etc/hostname and /etc/resolv.conf should always be owned by the root user in the container. This worked correct for /etc/hostname and /etc/hosts but not for /etc/resolv.conf. A container run with --userns keep-id would have the reolv.conf file owned by the current container user which is wrong. Consolidate some common code in a new helper function to make the code more cleaner. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* Docs rootfull -> rootfulAshley Cui2022-04-25
| | | | | | | | Some docs say roofull. Change to rootful. [NO NEW TESTS NEEDED] Signed-off-by: Ashley Cui <acui@redhat.com>
* Update test to run network check in both rootless and rootfull modeDaniel J Walsh2022-04-22
| | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Merge pull request #13918 from Luap99/hostsOpenShift Merge Robot2022-04-22
|\ | | | | use etchosts package from c/common
| * test/system: add containers.conf test for new /etc/hosts optionsPaul Holzinger2022-04-22
| | | | | | | | Signed-off-by: Paul Holzinger <pholzing@redhat.com>
| * network dis-/connect: update /etc/hostsPaul Holzinger2022-04-22
| | | | | | | | | | | | | | | | | | | | | | When we connect or disconnect from a network we also have to update /etc/hosts to ensure we only have valid entries in there. This also fixes problems with docker-compose since this makes use of network connect/disconnect. Fixes #12533 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
| * libpod: fix c.Hostname() to respect the utsNsCtrPaul Holzinger2022-04-22
| | | | | | | | | | | | | | | | | | | | When we lookup the hostname for a given container we have to check if the container is joined to another utsns and use this hostname then instead. This fixes a problem where the `hostname` command would use the correct name but /etc/hostname would contain a different name. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
| * use etchosts package from c/commonPaul Holzinger2022-04-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the new logic from c/common to create the hosts file. This will help to better allign the hosts files between buildah and podman. Also this fixes several bugs: - remove host entries when container is stopped and has a netNsCtr - add entries for containers in a pod - do not duplicate entries in the hosts file - use the correct slirp ip when an userns is used Features: - configure host.containers.internal entry in containers.conf - configure base hosts file in containers.conf Fixes #12003 Fixes #13224 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* | Merge pull request #13881 from rhatdan/usernsOpenShift Merge Robot2022-04-22
|\ \ | |/ |/| Add support for --userns=nomap
| * Add support for --userns=nomapDaniel J Walsh2022-04-21
| | | | | | | | | | | | | | | | | | | | | | From a security point of view, it would be nice to be able to map a rootless usernamespace that does not use your own UID within the container. This would add protection against a hostile process escapping the container and reading content in your homedir. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* | system tests: add assert(), and start using itEd Santiago2022-04-20
|/ | | | | | | | | | | | | | | | | | | | | Problem: the system test 'is()' checker was poorly thought out. For example, there is no way to check for inequality or for absence of a substring. Solution, step 1: introduce new assert(), copied almost verbatim from buildah, where it has been successful in addressing the gaps in is(). The logical next step is to search the tests for 'die' and for 'run', looking for negative assertions which we can replace with assert(). There were a lot, and in the process I found a number of ugly bugs in the tests themselves. I've taken the liberty of fixing these. Important note: at this time we have both assert() and is(). Replacing all instances of is() would be impossible to review. Signed-off-by: Ed Santiago <santiago@redhat.com>
* fix slirp4netns port forwarding with rangesPaul Holzinger2022-03-29
| | | | | | | | | | | | | | The slirp4netns port forwarder was not updated to make use of the new port format. This results in a problem when port ranges are used since it does not read the range field from the port. Update the logic to iterate through all ports with the range and protocols. Also added a system test for port ranges with slirp4netns, rootlesskit and the bridge network mode. Fixes #13643 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* Run codespell to cleanup typosDaniel J Walsh2022-03-25
| | | | | | [NO NEW TESTS NEEDED] Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* append podman dns search domainPaul Holzinger2022-02-04
| | | | | | | | | | Append the podman dns seach domain to the host search domains when we use the dnsname/aardvark server. Previously it would only use podman seach domains and discard the host domains. Fixes #13103 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* Cirrus: Add netavark/aardvark system test taskChris Evich2022-02-03
| | | | | | | Also add a system-test that verifies netavark driver is in use when magic env. var. is set. Signed-off-by: Chris Evich <cevich@redhat.com>
* Revert "Move each search dns to its own line"Paul Holzinger2022-02-02
| | | | | | | | | | This reverts commit a1bc8cb52cefd49e8cc54ae14d1864b8a1ec216e. Please see resolv.conf(5) search domains must be on the same line. If you use multiple seach key words only the last one is used. I tested this with alpine and it works correctly when they are on the same line so I am not sure what issues Dan had with it but this is not correct. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* Move each search dns to its own lineDaniel J Walsh2022-02-02
| | | | | | | | | | Alpine does not seem to use search correctly when there are multiple search domains on the same line. It only uses the first with the advent. When podman runs within a separate network we are appending on dns.podman as a search, if you add a search domain, then this causes the local search on network to fail. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Only change network fields if they were actually changed by the userDaniel J Walsh2022-02-02
| | | | | | Fixes: https://github.com/containers/podman/issues/13065 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Add --noout option to prevent the output of idsDaniel J Walsh2022-01-12
| | | | | | Fixes: https://github.com/containers/podman/issues/11515 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Use hosts public ip address in rootless containersDaniel J Walsh2021-12-21
| | | | | | | | | Add first non localhost ipv4 of all host interfaces as destination for host.contaners.internal for rootless containers. Fixes: https://github.com/containers/podman/issues/12000 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* network ls: show networks in deterministic orderPaul Holzinger2021-12-14
| | | | | | | | The new network backend stores the networks in a map so the returned order is not deterministic. Lets sort the network names alphabetically to ensure a deterministic order. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* Network test: fix podman-remote-rootless corner caseEd Santiago2021-11-15
| | | | | | | | Followup to #12229, in which I added a podman unshare for flake debugging. Turns out that doesn't work in podman-remote. It was not caught because CI doesn't run podman-remote rootless. Signed-off-by: Ed Santiago <santiago@redhat.com>
* network reload without ports should not reload portsPaul Holzinger2021-11-10
| | | | | | | | | When run as rootless the podman network reload command tries to reload the rootlessport ports because the childIP could have changed. However if the containers has no ports we should skip this instead of printing a warning. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* Merge pull request #12227 from Luap99/net-setupOpenShift Merge Robot2021-11-09
|\ | | | | Fix rootless networking with userns and ports
| * Fix rootless networking with userns and portsPaul Holzinger2021-11-09
| | | | | | | | | | | | | | | | A rootless container created with a custom userns and forwarded ports did not work. I refactored the network setup to make the setup logic more clear. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* | Minor test tweaksEd Santiago2021-11-08
|/ | | | | | | | | | - remove 'NO TESTS NEEDED' as a valid bypass string. Henceforth only 'NO NEW TESTS NEEDED' will work. - add a debugging aid for #11871, in which bodhi tests time out in nslookup. Signed-off-by: Ed Santiago <santiago@redhat.com>
* System tests: enhance volume test, add debug printsEd Santiago2021-11-01
| | | | | | | | | | Volume test: add a sequence of stat()s to confirm that volumes are mounted as a different device than root. Network test: add debugging code for #11825 (dnsmasq inotify failure in bodhi only). Signed-off-by: Ed Santiago <santiago@redhat.com>
* Add --time out for podman * rm -f commandsDaniel J Walsh2021-10-04
| | | | | | | | | Add --time flag to podman container rm Add --time flag to podman pod rm Add --time flag to podman volume rm Add --time flag to podman network rm Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* System tests: tighten 'is' operatorEd Santiago2021-09-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix day-one sloppiness: when I first wrote this framework it compared strings using 'expr', not '=', to be more forgiving of extra cruft in output. This was a bad decision. It means that warnings or additional text are ignored: is "all is ok, NOT!" "all is ok" <-- this would pass Solution: tighten up the 'is' check. Use '=' (direct compare) first. If it fails, look for wild cards ('*') or character classes ('[') in the expect string. If so, and only then, use 'expr'. And, thanks to a clever suggestion from Luap99, include '(using expr)' in the error message when we do so; this could make it easier for a developer to understand a string mismatch. This change exposes a lot of instances in which we weren't doing proper comparisons. Fix those. Thankfully, there weren't as many as I'd feared. Also, and completely unrelated, add '-T' flag to bats helper, for showing timing results. (I will open this as a separate PR if requested. I too find it offensive to jumble together unrelated commits.) Signed-off-by: Ed Santiago <santiago@redhat.com>
* always add short container id as net aliasPaul Holzinger2021-09-28
| | | | | | | | | | | | | | | | This matches what docker does. Also make sure the net aliases are also shown when the container is stopped. docker-compose uses this special alias entry to check if it is already correctly connected to the network. [1] Because we do not support static ips on network connect at the moment calling disconnect && connect will loose the static ip. Fixes #11748 [1] https://github.com/docker/compose/blob/0bea52b18dda3de8c28fcfb0c80cc08b8950645e/compose/service.py#L663-L667 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* Wire network interface into libpodPaul Holzinger2021-09-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make use of the new network interface in libpod. This commit contains several breaking changes: - podman network create only outputs the new network name and not file path. - podman network ls shows the network driver instead of the cni version and plugins. - podman network inspect outputs the new network struct and not the cni conflist. - The bindings and libpod api endpoints have been changed to use the new network structure. The container network status is stored in a new field in the state. The status should be received with the new `c.getNetworkStatus`. This will migrate the old status to the new format. Therefore old containers should contine to work correctly in all cases even when network connect/ disconnect is used. New features: - podman network reload keeps the ip and mac for more than one network. - podman container restore keeps the ip and mac for more than one network. - The network create compat endpoint can now use more than one ipam config. The man pages and the swagger doc are updated to reflect the latest changes. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* fix restart always with rootlessportPaul Holzinger2021-09-13
| | | | | | | | When a container is automatically restarted due its restart policy and the container uses rootless cni networking with ports forwarded we have to start a new rootlessport process since it exits with conmon. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* system tests: new random_free_port helperEd Santiago2021-09-08
| | | | | | | Picks a pseudorandom open port within a range. Refactor existing instances of such code. Signed-off-by: Ed Santiago <santiago@redhat.com>
* Fix rootless cni dns without systemd stub resolverPaul Holzinger2021-08-16
| | | | | | | | | | | | | | | | | When a host uses systemd-resolved but not the resolved stub resolver the following symlinks are created: `/etc/resolv.conf` -> `/run/systemd/resolve/stub-resolv.conf` -> `/run/systemd/resolve/resolv.conf`. Because the code uses filepath.EvalSymlinks we put the new resolv.conf to `/run/systemd/resolve/resolv.conf` but the `/run/systemd/resolve/stub-resolv.conf` link does not exists in the mount ns. To fix this we will walk the symlinks manually until we reach the first one under `/run` and use this for the resolv.conf file destination. This fixes a regression which was introduced in e73d4829900c. Fixes #11222 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* fix rootless port forwarding with network dis-/connectPaul Holzinger2021-08-03
| | | | | | | | | | | | | | | | | | | | | | | | The rootlessport forwarder requires a child IP to be set. This must be a valid ip in the container network namespace. The problem is that after a network disconnect and connect the eth0 ip changed. Therefore the packages are dropped since the source ip does no longer exists in the netns. One solution is to set the child IP to 127.0.0.1, however this is a security problem. [1] To fix this we have to recreate the ports after network connect and disconnect. To make this work the rootlessport process exposes a socket where podman network connect/disconnect connect to and send to new child IP to rootlessport. The rootlessport process will remove all ports and recreate them with the new correct child IP. Also bump rootlesskit to v0.14.3 to fix a race with RemovePort(). Fixes #10052 [1] https://nvd.nist.gov/vuln/detail/CVE-2021-20199 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* Networking test: fix silent breakageEd Santiago2021-07-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Wow did I screw up. #10982 introduced (at my suggestion) a new wait_for_port() helper, with the goal of eliminating a race condition. It didn't work. First: wait_for_port() tests by connecting to the port, which is a Bad Idea when you have a one-shot server that exits upon the first connection closing. We should've caught that, but: Second: I wrote wait_for_port() for a non-BATS test framework, and used the conventional file descriptor 3. BATS uses fd3 for internal control. Overriding that made the test silently just disappear, no "not ok" message, no warnings, nothing except vanishing into the ether. Third: this was caught by my log-colorizer script, which loudly yelled "WARNING: expected 234" (tests) at the bottom of the log. Unfortunately, since this wasn't my PR, I didn't actually look at the test logs. Solution: we can't use wait_for_port() in the network port test. Use wait_for_output() instead, triggering on the 'listening' message emitted by netcat in the container. Also: fix wait_for_port() to use fd5 instead of 3. Although no code currently uses wait_for_port() as of this PR, it's a useful helper that we may want to keep. Signed-off-by: Ed Santiago <santiago@redhat.com>
* Flake Fix: Wait before connecting container portChris Evich2021-07-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It was observed during periodic testing, this test can fail due to the container process being not fully running and listening on the expected port: ``` [+1069s] not ok 220 podman networking: port with --userns=keep-id [+1069s] # (in test file test/system/500-networking.bats, line 144) [+1069s] # `echo "$teststring" | nc 127.0.0.1 $myport' failed [+1069s] # # /var/tmp/go/src/github.com/containers/podman/bin/podman rm --all --force [+1069s] # # /var/tmp/go/src/github.com/containers/podman/bin/podman ps --all --external --format {{.ID}} {{.Names}} [+1069s] # # /var/tmp/go/src/github.com/containers/podman/bin/podman images --all --format {{.Repository}}:{{.Tag}} {{.ID}} [+1069s] # quay.io/libpod/testimage:20210610 9f9ec7f2fdef [+1069s] # # /var/tmp/go/src/github.com/containers/podman/bin/podman run -d --userns=keep-id -p 127.0.0.1:54322:54322 quay.io/libpod/testimage:20210610 nc -l -n -v -p 54322 [+1069s] # 252c562c9a3c96892d867d1d72fb52b2efdfe62855ebedbccd2d281c472c2988 [+1069s] # Ncat: No route to host. ``` Fix this by using a new `wait_for_port()` function (thanks @edsantiago) before attempting to communicate with the service. Signed-off-by: Chris Evich <cevich@redhat.com>
* Perform a one-sided close of HTTP attach conn on EOFMatthew Heon2021-07-13
| | | | | | | | | | | On EOF of STDIN, we need to perform a one-sided close of the attach connection on the client side, to ensure that STDIN finishing will also cause the exec session to terminate, instead of hang. Fixes #7360 Signed-off-by: Matthew Heon <mheon@redhat.com>
* add correct slirp ip to /etc/hostsPaul Holzinger2021-06-15
| | | | | | | | | The container name should have the slirp interface ip set in /etc/hosts and not the gateway ip. Commit c8dfcce6db0a introduced this regression. Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1972073 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* add ipv6 nameservers only when the container has ipv6 enabledPaul Holzinger2021-06-03
| | | | | | | | | | | | | | | The containers /etc/resolv.conf allways preserved the ipv6 nameserves from the host even when the container did not supported ipv6. Check if the cni result contains an ipv6 address or slirp4netns has ipv6 support enabled and only add the ipv6 nameservers when this is the case. The test needs to have an ipv6 nameserver in the hosts /etc/hosts but we should never mess with this file on the host. Therefore the test is skipped when no ipv6 is detected. Fixes #10158 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* System tests: add :Z to volume mountsEd Santiago2021-06-01
| | | | | | | | | | | | | | | | | | | | | | | selinux-policy-34.9-1.fc34 breaks a behavior we've relied on since (at least) January 2020: - Revert "Add permission open to files_read_inherited_tmp_files() interface" That's probably the correct thing to do, but it breaks our existing tests. Solution: add ':Z' where needed. Tested on Ed's laptop, which has the offending selinux-policy as of 2021-05-31. Tests pass root and rootless. (I mention this because tests will obviously pass in CI, which has a much older selinux-policy). Also: add a 'podman rmi' for cleanup in one test, to avoid noise in test logs. Fixes: #10522 Signed-off-by: Ed Santiago <santiago@redhat.com>
* Merge pull request #9972 from bblenard/issue-5651-hostname-for-container-gatewayOpenShift Merge Robot2021-05-17
|\ | | | | Add host.containers.internal entry into container's etc/hosts
| * Add host.containers.internal entry into container's etc/hostsBaron Lenardson2021-05-17
| | | | | | | | | | | | | | | | | | | | | | This change adds the entry `host.containers.internal` to the `/etc/hosts` file within a new containers filesystem. The ip address is determined by the containers networking configuration and points to the gateway address for the containers networking namespace. Closes #5651 Signed-off-by: Baron Lenardson <lenardson.baron@gmail.com>
* | podman network reload add rootless supportPaul Holzinger2021-05-17
|/ | | | | | | | | | Allow podman network reload to be run as rootless user. While it is unlikely that the iptable rules are flushed inside the rootless cni namespace, it could still happen. Also fix podman network reload --all to ignore errors when a container does not have the bridge network mode, e.g. slirp4netns. Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
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