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Unconditionally refresh storage options from config
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Due to our unconditionally setting some storage options, we
are not always reading storage options from storage.conf. This
can lead to some fields in the storage config (most notably extra
storage options) being ignored, despite being set in
storage.conf.
Resolve this by unconditionally refreshing our storage config
from storage.conf (this was previously only done for rootless
Podman)
Fixes #2217
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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rootless: do not override /dev/pts if not needed
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when running in rootless mode we were unconditionally overriding
/dev/pts to take ride of gid=5. This is not needed when multiple gids
are present in the namespace, which is always the case except when
running the tests suite with only one mapping. So change it to check
how many gids are present before overriding the default mount.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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addition of import and export for the podman-remote client. This includes
the ability to send and receive files between the remote-client and the
"podman" host using an upgraded varlink connection.
Signed-off-by: baude <bbaude@redhat.com>
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Changes to container runlabel for toolbox project
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The toolbox project would benefit from a few changes to more closely
resembe the original atomic cli project. Changes made are:
* only pull image for container runlabel if the label exists in the image
* if a container image does not have the desired label, exit with non-zero
Signed-off-by: baude <bbaude@redhat.com>
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Fix up `image sign` in PR 2108
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Signed-off-by: Qi Wang <qiwan@redhat.com>
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Alter varlink API for ListContainerMounts to return a map
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We want to return a map of containermounts where the key is container
id and it points to the mountpath.
Issue #2215
Signed-off-by: baude <bbaude@redhat.com>
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Cirrus: Enable AppArmor build and test
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AppArmor requires root privileges, so skip loading the default profile
in rootless mode. Also add a log to ease debugging.
Fixes: #2223
Reported-by: @dmacvicar
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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we now, by default, only prune dangling images. if --all is passed, we
prune dangling images AND images that do not have an associated containers.
also went ahead and enabled the podman-remote image prune side of things.
Fixes: #2192
Signed-off-by: baude <bbaude@redhat.com>
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initial enablement of podman-remote version. includes add a APIVersion const
that will allow us to check compatibility between host/client when connections
are made.
also added client related information to podman info.
Signed-off-by: baude <bbaude@redhat.com>
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rootless: support port redirection from the host
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add support for ports redirection from the host.
It needs slirp4netns v0.3.0-alpha.1.
Closes: https://github.com/containers/libpod/issues/2081
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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base enablement of the inspect command.
Signed-off-by: baude <bbaude@redhat.com>
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When using --pid=host don't try to cover /proc paths, as they are
coming from the /proc bind mounted from the host.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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If realloc fails, then buffer will be leaked, this change frees up the buffer.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Add darwin support for remote-client
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Add the ability to cross-compile podman remote for OSX.
Also, add image exists and tag to remote-client.
Signed-off-by: baude <bbaude@redhat.com>
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when defining containers, we missed the conditional logic to allow
the container to be defined with "WithPod" and so forth. I had to
slightly modify the createcontainer process to pass a libpod.Pod
that could override things; use nil as no pod.
Signed-off-by: baude <bbaude@redhat.com>
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Add varlink support for prune
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Add the ability to prune unused images using the varlink
API.
Signed-off-by: baude <bbaude@redhat.com>
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remote-client support for images
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Signed-off-by: baude <bbaude@redhat.com>
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Use defaults if paths are not specified in storage.conf
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For rootless Podman, if storage.conf exists but does not specify
one or both of RunRoot and GraphRoot, set them to rootless
defaults so we don't end up with an unusable configuration.
Fixes #2125
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Fix 'image trust' from PR1899
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Signed-off-by: Qi Wang <qiwan@redhat.com>
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the rootless container storage is always mounted in a different mount
namespace, owned by the unprivileged user. Even if it is mounted, a
process running in another namespace cannot reuse the already mounted
storage.
Make sure the storage is always cleaned up once the container
terminates.
This has worked with vfs since there is no real mounted storage.
Closes: https://github.com/containers/libpod/issues/2112
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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apparmor: apply default profile at container initialization
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Apply the default AppArmor profile at container initialization to cover
all possible code paths (i.e., podman-{start,run}) before executing the
runtime. This allows moving most of the logic into pkg/apparmor.
Also make the loading and application of the default AppArmor profile
versio-indepenent by checking for the `libpod-default-` prefix and
over-writing the profile in the run-time spec if needed.
The intitial run-time spec of the container differs a bit from the
applied one when having started the container, which results in
displaying a potentially outdated AppArmor profile when inspecting
a container. To fix that, load the container config from the file
system if present and use it to display the data.
Fixes: #2107
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Avoid generating
quay.io/openshift-release-dev/ocp-release@sha256@sha256:239... and
similar when the image name is already digest-based [1]. It's not
clear exactly how we get into this state, but as shown by the unit
tests, the new code handles this case correctly (while the previous
code does not).
[1]: https://github.com/containers/libpod/issues/2086
Signed-off-by: W. Trevor King <wking@tremily.us>
Closes: #2106
Approved by: rhatdan
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For example:
$ cat /etc/containers/oci/hooks.d/test.json
{
"version": "1.0.0",
"hook": {
"path": "/bin/sh",
"args": ["sh", "-c", "echo 'oh, noes!' >&2; exit 1"]
},
"when": {
"always": true
},
"stages": ["precreate"]
}
$ podman run --rm docker.io/library/alpine echo 'successful container'
error setting up OCI Hooks: executing [sh -c echo 'oh, noes!' >&2; exit 1]: exit status 1
The rendered command isn't in in the right syntax for copy/pasting
into a shell, but it should be enough for the user to be able to
locate the failing hook. They'll need to know their hook directories,
but with the previous commits requiring explicit hook directories it's
more likely that the caller is aware of them. And if they run at a
debug level, they can see the lookups in the logs:
$ podman --log-level=debug --hooks-dir=/etc/containers/oci/hooks.d run --rm docker.io/library/alpine echo 'successful container' 2>&1 | grep -i hook
time="2018-12-02T22:15:16-08:00" level=debug msg="reading hooks from /etc/containers/oci/hooks.d"
time="2018-12-02T22:15:16-08:00" level=debug msg="added hook /etc/containers/oci/hooks.d/test.json"
time="2018-12-02T22:15:16-08:00" level=debug msg="hook test.json matched; adding to stages [precreate]"
time="2018-12-02T22:15:16-08:00" level=warning msg="container 3695c6ba0cc961918bd3e4a769c52bd08b82afea5cd79e9749e9c7a63b5e7100: precreate hook: executing [sh -c echo 'oh, noes!' >&2; exit 1]: exit status 1"
time="2018-12-02T22:15:16-08:00" level=error msg="error setting up OCI Hooks: executing [sh -c echo 'oh, noes!' >&2; exit 1]: exit status 1"
Signed-off-by: W. Trevor King <wking@tremily.us>
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To make it easier to notice and track down errors (or other surprising
behavior) due to precreate hooks. With this commit, the logged
messages look like:
time="2018-11-19T13:35:18-08:00" level=debug msg="precreate hook 0 made configuration changes:
--- Old
+++ New
@@ -18,3 +18,3 @@
Namespaces: ([]specs.LinuxNamespace) <nil>,
- Devices: ([]specs.LinuxDevice) (len=1) {
+ Devices: ([]specs.LinuxDevice) (len=2) {
(specs.LinuxDevice) {
@@ -24,2 +24,11 @@
Minor: (int64) 229,
+ FileMode: (*os.FileMode)(-rw-------),
+ UID: (*uint32)(0),
+ GID: (*uint32)(0)
+ },
+ (specs.LinuxDevice) {
+ Path: (string) (len=8) "/dev/sda",
+ Type: (string) (len=1) "b",
+ Major: (int64) 8,
+ Minor: (int64) 0,
FileMode: (*os.FileMode)(-rw-------),
"
time="2018-11-19T13:35:18-08:00" level=debug msg="precreate hook 1 made configuration changes:
--- Old
+++ New
@@ -29,3 +29,3 @@
(specs.LinuxDevice) {
- Path: (string) (len=8) "/dev/sda",
+ Path: (string) (len=8) "/dev/sdb",
Type: (string) (len=1) "b",
"
Ideally those logs would include the container ID, but we don't have
access to that down at this level. I'm not sure if it's worth
teaching RuntimeConfigFilter to accept a *logrus.Entry (so the caller
could use WithFields [1]) or to use a generic logging interface (like
go-log [2]). For now, I've left the container ID unlogged here.
The spew/difflib implementation is based on stretchr/testify/assert,
but I think the ~10 lines I'm borrowing are probably small enough to
stay under the "all copies or substantial portions" condition in its
MIT license.
[1]: https://godoc.org/github.com/sirupsen/logrus#WithFields
[2]: https://github.com/go-log/log
Signed-off-by: W. Trevor King <wking@tremily.us>
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There's been a lot of discussion over in [1] about how to support the
NVIDIA folks and others who want to be able to create devices
(possibly after having loaded kernel modules) and bind userspace
libraries into the container. Currently that's happening in the
middle of runc's create-time mount handling before the container
pivots to its new root directory with runc's incorrectly-timed
prestart hook trigger [2]. With this commit, we extend hooks with a
'precreate' stage to allow trusted parties to manipulate the config
JSON before calling the runtime's 'create'.
I'm recycling the existing Hook schema from pkg/hooks for this,
because we'll want Timeout for reliability and When to avoid the
expense of fork/exec when a given hook does not need to make config
changes [3].
[1]: https://github.com/opencontainers/runc/pull/1811
[2]: https://github.com/opencontainers/runc/issues/1710
[3]: https://github.com/containers/libpod/issues/1828#issuecomment-439888059
Signed-off-by: W. Trevor King <wking@tremily.us>
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If local storage file exists, then use it rather then defau…
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Currently we always force overlay if it exists even though a user might want
vfs.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Add the configuration file used to setup storage to podman info
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Users have no idea what storage configuration file is used to setup
storage, so adding this to podman info, should make it easier to
discover.
This requires a revendor of containers/storage
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Add ability to build golang remote client
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Add the ability to build a remote client in golang that uses all
the same front-end cli code and output code. The initial limitations
here are that it can only be a local client while the bridge and
resolver code is being written for the golang varlink client.
Tests and docs will be added in subsequent PRs.
Signed-off-by: baude <bbaude@redhat.com>
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Update vendor of runc
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Updating the vendor or runc to pull in some fixes that we need.
In order to get this vendor to work, we needed to update the vendor
of docker/docker, which causes all sorts of issues, just to fix
the docker/pkg/sysinfo. Rather then doing this, I pulled in pkg/sysinfo
into libpod and fixed the code locally.
I then switched the use of docker/pkg/sysinfo to libpod/pkg/sysinfo.
I also switched out the docker/pkg/mount to containers/storage/pkg/mount
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Add support for executing an init binary as PID 1 in a container to
forward signals and reap processes. When the `--init` flag is set for
podman-create or podman-run, the init binary is bind-mounted to
`/dev/init` in the container and "/dev/init --" is prepended to the
container's command.
The default base path of the container-init binary is `/usr/libexec/podman`
while the default binary is catatonit [1]. This default can be changed
permanently via the `init_path` field in the `libpod.conf` configuration
file (which is recommended for packaging) or temporarily via the
`--init-path` flag of podman-create and podman-run.
[1] https://github.com/openSUSE/catatonit
Fixes: #1670
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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We had two problems with /dev/shm, first, you mount the
container read/only then /dev/shm was mounted read/only.
This is a bug a tmpfs directory should be read/write within
a read-only container.
The second problem is we were ignoring users mounted /dev/shm
from the host.
If user specified
podman run -d -v /dev/shm:/dev/shm ...
We were dropping this mount and still using the internal mount.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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ParseIDMap function was extracted to idtools in
https://github.com/containers/storage/pull/236
it is already used in containers/storage and buildah, it should be used in
libpod as well.
Signed-off-by: Šimon Lukašík <isimluk@fedoraproject.org>
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