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Upon updating a container, if its network namespace has been
removed, we attempt to clean up the network namespace locally,
to ensure we don't leave hanging file descriptors. This triggers
cleanup code which assumes the network namespace still exists,
but it almost certainly was removed by whoever removed it from
the database. As such, we end up with unavoidable errors if we
don't want to leak FDs. Make these errors nonfatal and log them
because of this.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #962
Approved by: rhatdan
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Signed-off-by: Wim <wim@42.be>
Closes: #955
Approved by: rhatdan
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #944
Approved by: rhatdan
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Pods can now create their own (cgroupfs) cgroups which containers
in them can (optionally) use.
This presently only works with CGroupFS, systemd cgroups are
still WIP
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #784
Approved by: rhatdan
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Add a mutable state to pods, and database backend sutable for
modifying and updating said state.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #784
Approved by: rhatdan
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This fixes the situation where we fail to create a container when a name already exists.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Closes: #517
Approved by: baude
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Refactors creation of bind mounts into a separate function that
can be called from elsewhere (e.g. pod start or container
restart). This function stores the mounts in the DB using the
field established last commit.
Spec generation now relies upon this field in the DB instead of
manually enumerating files to be bind mounted in.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #462
Approved by: baude
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Replace our old IP and Subnet fields in state with CNI types that
contain a lot more information. Retrieve these structs from the
CNI plugins themselves.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #440
Approved by: baude
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This will behave better if we need to add anything to it at a
later date - we can add fields to the struct without breaking
existing BoltDB databases.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #412
Approved by: baude
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #412
Approved by: baude
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Now, we don't need to use the global ID registry to iterate - we
can iterate only through containers or only through pods, without
having to iterate through both.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #184
Approved by: baude
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #184
Approved by: baude
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This allows us to JSON it and stuff it in the DB - previously,
all pod fields were private, so JSON couldn't encode them. This
allows us to keep all pod fields private by having a substruct
with public fields.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #184
Approved by: baude
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #184
Approved by: baude
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #184
Approved by: baude
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #184
Approved by: baude
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