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if running rootless do not print a warning message when podman cannot
rejoin the initial network namespace.
The first network namespace is owned by root on the host, a rootless
user cannot re-join it once it moves to a new network namespace.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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To 'avoid unknown FS magic on "/run/user/1000/netns/...": 1021994'
make the network namespace bind-mount recursively shared, so the
mount is back-propogated to the host.
Signed-off-by: gabi beyer <gabrielle.n.beyer@intel.com>
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In order to run Podman with VM-based runtimes unprivileged, the
network must be set up prior to the container creation. Therefore
this commit modifies Podman to run rootless containers by:
1. create a network namespace
2. pass the netns persistent mount path to the slirp4netns
to create the tap inferface
3. pass the netns path to the OCI spec, so the runtime can
enter the netns
Closes #2897
Signed-off-by: Gabi Beyer <gabrielle.n.beyer@intel.com>
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This reverts commit 80dcd4bebcdc8e280f6b43228561d09c194c328b.
Signed-off-by: baude <bbaude@redhat.com>
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In order to run Podman with VM-based runtimes unprivileged, the
network must be set up prior to the container creation. Therefore
this commit modifies Podman to run rootless containers by:
1. create a network namespace
2. pass the netns persistent mount path to the slirp4netns
to create the tap inferface
3. pass the netns path to the OCI spec, so the runtime can
enter the netns
Closes #2897
Signed-off-by: Gabi Beyer <gabrielle.n.beyer@intel.com>
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clean up and prepare to migrate to the golangci-linter
Signed-off-by: baude <bbaude@redhat.com>
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Signed-off-by: baude <bbaude@redhat.com>
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #1165
Approved by: baude
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The CNI plugins upstream removed their network namespace creation
code, making it a test package only. Copy it into our repository
and slightly modify it for our use (most notably, use MNT_DETACH
when unmounting namespaces).
This new CNI code splits closing and unmounting network
namespaces, which allows us to greatly reduce the number of
occasions on which we call teardownNetwork() and make more errors
in that function fatal instead of warnings. Instead, we can call
Close() and just close the open file descriptor in cases where
the namespace has already been cleaned up.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #1165
Approved by: baude
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