We want to get podman info to tell us about the version of
the mount program to help us diagnose issues users are having.
Also if in rootless mode and slirp4netns is installed reveal package
info on slirp4netns.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
If c/storage paths are explicitly set to "" (the empty string) it
will use compiled-in defaults. However, it won't tell us this via
`storage.GetDefaultStoreOptions()` - we just get the empty string
(which can put our defaults, some of which are relative to
c/storage, in a bad spot).
Hardcode a sane default for cases like this. Furthermore, add
some sanity checks to paths, to ensure we don't use relative
paths for core parts of libpod.
Fixes#3952
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
When we fail to remove a container's SHM, that's an error, and we
need to report it as such. This may be part of our lingering
storage woes.
Also, remove MNT_DETACH. It may be another cause of the storage
removal failures.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
When volume options and the local volume driver are specified,
the volume is intended to be mounted using the 'mount' command.
Supported options will be used to volume the volume before the
first container using it starts, and unmount the volume after the
last container using it dies.
This should work for any local filesystem, though at present I've
only tested with tmpfs and btrfs.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
We need to be able to track the number of times a volume has been
mounted for tmpfs/nfs/etc volumes. As such, we need a mutable
state for volumes. Add one, with the expected update/save methods
in both states.
There is backwards compat here, in that older volumes without a
state will still be accepted.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
In upcoming commits, we're going to turn on the backends for
these fields. Volumes with these set will act fundamentally
differently from other volumes. There will probably be validation
required for each field.
Until now, though, we've freely allowed creation of volumes with
these set - they just did nothing. So we have no idea what could
be in the DB with old volumes.
Change the struct tags so we don't have to worry about old,
unvalidated data. We'll start fresh with new volumes.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
We have had some issues with users squashing large images or pulling large
content from github, that could trigger crashes based on the size of /tmp.
Docker had an issue with this back in 2016. https://github.com/golang/go/issues/14021
The discussion there was to change the default to /var/tmp.
This change will only effect systems that do not set the TMPDIR environment variable.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Add '.To(BeTrue())' to 'Expect(' statements in unit tests that
are missing them. These tests weren't being compared to anything,
thus reporting false positives.
Signed-off-by: gabi beyer <gabrielle.n.beyer@intel.com>
crun emits wildly different error messages than runc in
two cases:
podman run ... /no/such/path (enoent)
podman run ... /etc (trying to exec a directory)
Deal with it by getting the runtime from 'podman info' and,
if crun, changing what we expect.
There may be more tweaks needed to get system tests working
with crun, but right now podman rawhide is too broken to
have any hope of finding them all.
Signed-off-by: Ed Santiago <santiago@redhat.com>
use the inotify backend to be notified on the container exit instead
of polling continuosly the runtime. Polling the runtime slowns
significantly down the podman execution time for short lived
processes:
$ time bin/podman run --rm -ti fedora true
real 0m0.324s
user 0m0.088s
sys 0m0.064s
from:
$ time podman run --rm -ti fedora true
real 0m4.199s
user 0m5.339s
sys 0m0.344s
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Also add fixes to help prevent 'fatal: Invalid revision range' error.
Should obtaining all authors from the range still fail, only grab the
HEAD commit author as a fallback.
Signed-off-by: Chris Evich <cevich@redhat.com>
when cni returns a list of dns servers, we should add them under the
right conditions. the defined conditions are as follows:
- if the user provides dns, it and only it are added.
- if not above and you get a cni name server, it is added and a
forwarding dns instance is created for what was in resolv.conf.
- if not either above, the entries from the host's resolv.conf are used.
Signed-off-by: baude <bbaude@redhat.com>
Signed-off-by: baude <bbaude@redhat.com>
With huge thanks to @rwha for #3915. All man pages are clean
and consistent now - let's keep them that way.
Signed-off-by: Ed Santiago <santiago@redhat.com>
detect if the current user namespace doesn't match the configuration
in the /etc/subuid and /etc/subgid files.
If there is a mismatch, raise a warning and suggest the user to
recreate the user namespace with "system migrate", that also restarts
the containers.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
provide an implementation for getDevices that skip unreadable
directories for the current user.
Based on the implementation from runc/libcontainer.
Closes: https://github.com/containers/libpod/issues/3919
Signed-off-by: Giuseppe Scrivano <giuseppe@scrivano.org>
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
when running in rootless mode, --device creates a bind mount from the
host instead of specifying the device in the OCI configuration. This
is required as an unprivileged user cannot use mknod, even when root
in a user namespace.
Closes: https://github.com/containers/libpod/issues/3905
Signed-off-by: Giuseppe Scrivano <giuseppe@scrivano.org>
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