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* e2e tests: use Should(Exit()) and ExitWithError()Ed Santiago2021-07-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | e2e test failures are rife with messages like: Expected 1 to equal 0 These make me cry. They're anti-helpful, requiring the reader to dive into the source code to figure out what those numbers mean. Solution: Go tests have a '.Should(Exit(NNN))' mechanism. I don't know if it spits out a better diagnostic (I have no way to run e2e tests on my laptop), but I have to fantasize that it will, and given the state of our flakes I assume that at least one test will fail and give me the opportunity to see what the error message looks like. THIS IS NOT REVIEWABLE CODE. There is no way for a human to review it. Don't bother. Maybe look at a few random ones for sanity. If you want to really review, here is a reproducer of what I did: cd test/e2e ! positive assertions. The second is the same as the first, ! with the addition of (unnecessary) parentheses because ! some invocations were written that way. The third is BeZero(). perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(Equal\((\d+)\)\)/Expect($1).Should(Exit($2))/' *_test.go perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(\(Equal\((\d+)\)\)\)/Expect($1).Should(Exit($2))/' *_test.go perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(BeZero\(\)\)/Expect($1).Should(Exit(0))/' *_test.go ! Same as above, but handles three non-numeric exit codes ! in run_exit_test.go perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(Equal\((\S+)\)\)/Expect($1).Should(Exit($2))/' *_test.go ! negative assertions. Difference is the spelling of 'To(Not)', ! 'ToNot', and 'NotTo'. I assume those are all the same. perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(Not\(Equal\((0)\)\)\)/Expect($1).To(ExitWithError())/' *_test.go perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.ToNot\(Equal\((0)\)\)/Expect($1).To(ExitWithError())/' *_test.go perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.NotTo\(Equal\((0)\)\)/Expect($1).To(ExitWithError())/' *_test.go ! negative, old use of BeZero() perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.ToNot\(BeZero\(\)\)/Expect($1).Should(ExitWithError())/' *_test.go Run those on a clean copy of main branch (at the same branch point as my PR, of course), then diff against a checked-out copy of my PR. There should be no differences. Then all you have to review is that my replacements above are sane. UPDATE: nope, that's not enough, you also need to add gomega/gexec to the files that don't have it: perl -pi -e '$_ .= "$1/gexec\"\n" if m!^(.*/onsi/gomega)"!' $(grep -L gomega/gexec $(git log -1 --stat | awk '$1 ~ /test\/e2e\// { print $1}')) UPDATE 2: hand-edit run_volume_test.go UPDATE 3: sigh, add WaitWithDefaultTimeout() to a couple of places UPDATE 4: skip a test due to bug #10935 (race condition) Signed-off-by: Ed Santiago <santiago@redhat.com>
* Add the option of Rootless CNI networking by defaultMatthew Heon2021-05-26
| | | | | | | | | | | | | | | | | | | When the containers.conf field "NetNS" is set to "Bridge" and the "RootlessNetworking" field is set to "cni", Podman will now handle rootless in the same way it does root - all containers will be joined to a default CNI network, instead of exclusively using slirp4netns. If no CNI default network config is present for the user, one will be auto-generated (this also works for root, but it won't be nearly as common there since the package should already ship a config). I eventually hope to remove the "NetNS=Bridge" bit from containers.conf, but let's get something in for Brent to work with. Signed-off-by: Matthew Heon <mheon@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>
* Fix dnsname testPaul Holzinger2021-04-01
| | | | Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* Add rootless support for cni and --uidmapPaul Holzinger2021-04-01
| | | | | | This is supported with the new rootless cni logic. Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* Add dns search domains from cni response to resolv.confPaul Holzinger2021-02-24
| | | | | | | This fixes slow local host name lookups. see containers/dnsname#57 Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* bump go module to v3Valentin Rothberg2021-02-22
| | | | | | | | | We missed bumping the go module, so let's do it now :) * Automated go code with github.com/sirkon/go-imports-rename * Manually via `vgrep podman/v2` the rest Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* Make slirp MTU configurable (network_cmd_options)bitstrings2021-02-02
| | | | | | | | The mtu default value is currently forced to 65520. This let the user control it using the config key network_cmd_options, i.e.: network_cmd_options=["mtu=9000"] Signed-off-by: bitstrings <pino.silvaggio@gmail.com>
* Allow static ip and mac with rootless cni networkPaul Holzinger2021-01-27
| | | | | | | | Make sure we pass the ip and mac address as CNI_ARGS to the cnitool which is executed in the rootless-cni-infra container. Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* test: use stringid.GenerateNonCryptoID() in more testsGiuseppe Scrivano2021-01-13
| | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* network: disallow CNI networks with user namespacesGiuseppe Scrivano2021-01-13
| | | | | | | | | | | | | | | | | | | | | | | | it solves a segfault when running as rootless a command like: $ podman run --uidmap 0:0:1 --net foo --rm fedora true panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x30 pc=0x5629bccc407c] goroutine 1 [running]: panic(0x5629bd3d39e0, 0x5629be0ab8e0) /usr/lib/golang/src/runtime/panic.go:1064 +0x545 fp=0xc0004592c0 sp=0xc0004591f8 pc=0x5629bbd35d85 runtime.panicmem(...) /usr/lib/golang/src/runtime/panic.go:212 runtime.sigpanic() /usr/lib/golang/src/runtime/signal_unix.go:742 +0x413 fp=0xc0004592f0 sp=0xc0004592c0 pc=0x5629bbd4cd33 github.com/containers/podman/libpod.(*Runtime).setupRootlessNetNS(0xc0003fe9c0, 0xc0003d74a0, 0x0, 0x0) /builddir/build/BUILD/podman-2.2.1/_build/src/github.com/containers/podman/libpod/networking_linux.go:238 +0xdc fp=0xc000459338 sp=0xc0004592f0 pc=0x5629bccc407c github.com/containers/podman/libpod.(*Container).completeNetworkSetup(0xc0003d74a0, 0x0, 0x0) /builddir/build/BUILD/podman-2.2.1/_build/src/github.com/containers/podman/libpod/container_internal.go:965 +0xb72 fp=0xc0004594d8 sp=0xc000459338 pc=0x5629bcc81732 [.....] Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Correct port range logic for port generationMatthew Heon2020-12-08
| | | | | | | | | | | | | The existing logic (Range > 0) always triggered, because range is guaranteed to be at least 1 (a single port has a range of 1, a two port range (e.g. 80-81) has a range of 2, and so on). As such this could cause ports that had a host port assigned to them by the user to randomly assign one instead. Fixes #8650 Fixes #8651 Signed-off-by: Matthew Heon <mheon@redhat.com>
* Support --network=default as if it was privateDaniel J Walsh2020-12-02
| | | | | | | | | | | | Docker defines an option of "default" which means to use the default network. We should support this with the same code path as --network="". This is important for compatibility with the Docker API. Fixes: https://github.com/containers/podman/issues/8544 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Revert "Allow multiple --network flags for podman run/create"Luap992020-11-30
| | | | | | | | | As described in issue #8507 this commit contains a breaking change which is not wanted in v2.2. We can discuss later if we want this in 3.0 or not. Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* Allow multiple --network flags for podman run/createPaul Holzinger2020-11-20
| | | | | | | | | | | | | | We allow a container to be connected to several cni networks but only if they are listed comma sperated. This is not intuitive for users especially since the flag parsing allows multiple string flags but only would take the last value. see: spf13/pflag#72 Also get rid of the extra parsing logic for pods. The invalid options are already handled by `pkg/specgen`. A test is added to prevent a future regression. Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* Make sure /etc/hosts populated correctly with networksDaniel J Walsh2020-11-16
| | | | | | | | | | | The --hostname and containername should always be added to containers. Added some tests to make sure you can always ping the hostname and container name from within the container. Fixes: https://github.com/containers/podman/issues/8095 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* make network name uniq for dnsname testsbaude2020-11-09
| | | | | | | | ed identified that the dnsname integration test does not use a unique name and therefore cannot be cleaned up. this was made worse by a improper defer statement to remove the network should the test fail. Signed-off-by: baude <bbaude@redhat.com>
* Fix dnsname when joining a different network namespace in a podPaul Holzinger2020-10-30
| | | | | | | | | | When creating a container in a pod the podname was always set as the dns entry. This is incorrect when the container is not part of the pods network namespace. This happend both rootful and rootless. To fix this check if we are part of the pods network namespace and if not use the container name as dns entry. Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* Merge pull request #8053 from rhatdan/detachkeysOpenShift Merge Robot2020-10-22
|\ | | | | podman create doesn't support creating detached containers
| * podman create doesn't support creating detached containersDaniel J Walsh2020-10-21
| | | | | | | | | | | | | | | | | | | | | | | | Detached containers and detach keys are only created with the podman run, i exec, and start commands. We do not store the detach key sequence or the detach flags in the database, nor does Docker. The current code was ignoreing these fields but documenting that they can be used. Fix podman create man page and --help output to no longer indicate that --detach and --detach-keys works. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* | Add hostname to /etc/hosts for --net=noneMatthew Heon2020-10-21
|/ | | | | | | | | This does not match Docker, which does not add hostname in this case, but it seems harmless enough. Fixes #8095 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Ensure that hostname is added to hosts with net=hostMatthew Heon2020-10-20
| | | | | | | | | | | | | | | | | | When a container uses --net=host the default hostname is set to the host's hostname. However, we were not creating any entries in `/etc/hosts` despite having a hostname, which is incorrect. This hostname, for Docker compat, will always be the hostname of the host system, not the container, and will be assigned to IP 127.0.1.1 (not the standard localhost address). Also, when `--hostname` and `--net=host` are both passed, still use the hostname from `--hostname`, not the host's hostname (we still use the host's hostname by default in this case if the `--hostname` flag is not passed). Fixes #8054 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Ports given only by number should have random host portMatthew Heon2020-10-08
| | | | | | | | | | | | | | | In Podman 1.9.3, `podman run -p 80` would assign port 80 in the container to a random port on the host. In Podman 2.0 and up, it assigned Port 80 in the container to Port 80 on the host. This is an easy fix, fortunately - just need to remove the bit that assumed host port, if not given, should be set to container port. We also had a test for the bad behavior, so fix it to test for the correct way of doing things. Fixes #7947 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Populate /etc/hosts file when run in a user namespaceDaniel J Walsh2020-10-07
| | | | | | | | | We do not populate the hostname field with the IP Address when running within a user namespace. Fixes https://github.com/containers/podman/issues/7490 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Make all Skips specify a reasonDaniel J Walsh2020-09-29
| | | | | | Always use CGROUPV2 rather then reading from system all the time. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Remove SkipIfRootless if possible, document other callsDaniel J Walsh2020-09-27
| | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Examine all SkipIfRemote functionsDaniel J Walsh2020-09-22
| | | | | | | | Remove ones that are not needed. Document those that should be there. Document those that should be fixed. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* run_networking e2e test: add cleanup to some testsEd Santiago2020-09-10
| | | | | | | | | | | | | | | Problem: if either of the two "podman network create" tests fail, all subsequent retries will also fail because the created network has not been cleaned up (so "network create" will fail with EEXIST). Solution: run "podman network rm" as deferred cleanup instead of in each test. This is NOT a fix for #7583 - it is just a way to allow ginkgo to retry a failing test. Signed-off-by: Ed Santiago <santiago@redhat.com>
* fix pod creation with "new:" syntax followup + allow hostnamePaul Holzinger2020-08-20
| | | | | | | | | | | | | | | | | | | | | Fixes: 4c75fe3f70ed ("fix pod creation with "new:" syntax") Commit 4c75fe3f70ed passes all net options to the pod but forgot to unset the options for the container creation. This leads to erros when using flags like `--ip` since we tried setting the ip on the pod and container which obviously fails. I didn't notice the bug because we don't throw an error when specifing port bindings on a container which joins the pods network namespace. (#7373) Also allow the use of `--hostname` and pass that option to the pod and unset it for the container. The container has to use the pods hostname anyway. This would error otherwise. Added tests to prevent regression. Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* Add support for setting the CIDR when using slirp4netnsAdis Hamzić2020-08-12
| | | | | | | | This adds support for the --cidr parameter that is supported by slirp4netns since v0.3.0. This allows the user to change the ip range that is used for the network inside the container. Signed-off-by: Adis Hamzić <adis@hamzadis.com>
* Merge pull request #7216 from 5eraph/masterOpenShift Merge Robot2020-08-09
|\ | | | | support outbound-addr
| * changes to support outbound-addr5eraph2020-08-07
| | | | | | | | | | | | Fixes #6064 Signed-off-by: Bohumil Cervenka <5eraph@protonmail.com>
* | Do not set host IP on ports when 0.0.0.0 requestedMatthew Heon2020-08-03
|/ | | | | | | | | | | | | | | | Docker and CNI have very different ideas of what 0.0.0.0 means. Docker takes it to be 0.0.0.0/0 - that is, bind to every IPv4 address on the host. CNI (and, thus, root Podman) take it to mean the literal IP 0.0.0.0. Instead, CNI interprets the empty string ("") as "bind to all IPs". We could ask CNI to change, but given this is established behavior, that's unlikely. Instead, let's just catch 0.0.0.0 and turn it into "" when we parse ports. Fixes #7014 Signed-off-by: Matthew Heon <mheon@redhat.com>
* Binding the same container port to >1 host port is OKMatthew Heon2020-07-29
| | | | | | | | | | | The initial version of the new port code mistakenly restricted this, so un-restrict it. We still need to maintain the map of container ports, unfortunately (need to verify if the port in question is a duplicate, for example). Fixes #7062 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Switch all references to github.com/containers/libpod -> podmanDaniel J Walsh2020-07-28
| | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Turn on a bunch more remote testsDaniel J Walsh2020-07-22
| | | | | | We need to be more specific about the remote tests we turn off. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Merge pull request #6965 from giuseppe/followup-pr6324OpenShift Merge Robot2020-07-17
|\ | | | | allow switching of port-forward approaches in rootless/using slirp4netns
| * network, slirp4netns: add option to allow host loopbackGiuseppe Scrivano2020-07-16
| | | | | | | | | | | | Closes: https://github.com/containers/podman/issues/6912 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
| * libpod: pass down network optionsGiuseppe Scrivano2020-07-16
| | | | | | | | | | | | do not pass network specific options through the network namespace. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* | Fix "Error: unrecognized protocol \"TCP\" in port mapping"Akihiro Suda2020-07-15
|/ | | | | | | | "TCP" in upper characters was not recognized as a valid protocol name. Fix #6948 Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
* Change buildtag for remoteclient to remote for testingDaniel J Walsh2020-07-06
| | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* move go module to v2Valentin Rothberg2020-07-06
| | | | | | | | | | | | | | | With the advent of Podman 2.0.0 we crossed the magical barrier of go modules. While we were able to continue importing all packages inside of the project, the project could not be vendored anymore from the outside. Move the go module to new major version and change all imports to `github.com/containers/libpod/v2`. The renaming of the imports was done via `gomove` [1]. [1] https://github.com/KSubedi/gomove Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* Allow empty host port in --publish flagMatthew Heon2020-06-29
| | | | | | | | | | | | | | | | | I didn't believe that this was actually legal, but it looks like it is. And, unlike our previous understanding (host port being empty means just use container port), empty host port actually carries the same meaning as `--expose` + `--publish-all` (that is, assign a random host port to the given container port). This requires a significant rework of our port handling code to handle this new case. I don't foresee this being commonly used, so I optimized having a fixed port number as fast path, which this random assignment code running after the main port handling code only if necessary. Fixes #6806 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Reformat inspect network settingsQi Wang2020-06-23
| | | | | | Reformat ports of inspect network settings to compatible with docker inspect. Close #5380 Signed-off-by: Qi Wang <qiwan@redhat.com>
* Enable IPv6 port bindingMatthew Heon2020-06-10
| | | | | | | | | | | | | | | | | | | | | | | | Two areas needed tweaking to accomplish this: port parsing and binding ports on the host. Parsing is an obvious problem - we have to accomodate an IPv6 address enclosed by [] as well as a normal IPv4 address. It was slightly complicated by the fact that we previously just counted the number of colons in the whole port definition (a thousand curses on whoever in the IPv6 standard body decided to reuse colons for address separators), but did not end up being that bad. Libpod also (optionally) binds ports on the host to prevent their reuse by host processes. This code was IPv4 only for TCP, and bound to both for UDP (which I'm fairly certain is not correct, and has been adjusted). This just needed protocols adjusted to read "tcp4"/"tcp6" and "udp4"/"udp6" based on what we wanted to bind to. Fixes #5715 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* test: enable networking test for rootlessGiuseppe Scrivano2020-05-12
| | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* enable rootless integration testingBrent Baude2020-05-10
| | | | Signed-off-by: Brent Baude <bbaude@redhat.com>
* Rework port parsing to support --expose and -PMatthew Heon2020-05-04
| | | | | | | | | | | | | | | | | | | | | As part of this, make a major change to the type we use to represent port mappings in SpecGen (from using existing OCICNI structs to using our own custom one). This struct has the advantage of supporting ranges, massively reducing traffic over the wire for Podman commands using them (for example, the `podman run -p 5000-6000` command will now send only one struct instead of 1000). This struct also allows us to easily validate which ports are in use, and which are not, which is necessary for --expose. Once we have parsed the ports from the new struct, we can produce an accurate map including all currently requested ports, and use that to determine what ports need to be exposed (some requested exposed ports may already be included in a mapping from --publish and will be ignored) and what open ports on the host we can map them to. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Force integration tests to passBrent Baude2020-04-21
| | | | | | Failing tests are now skipped and we should work from this. Signed-off-by: Brent Baude <bbaude@redhat.com>
* spec: allow container alias name in lookupGiuseppe Scrivano2020-02-26
| | | | | | | | Previously --uts=container: expected the full container ID. Closes: https://github.com/containers/libpod/issues/5289 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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