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This will require a 'podman system renumber' after being applied
to get lock numbers for existing volumes.
Add the DB backend code for rewriting volume configs and use it
for updating lock numbers as part of 'system renumber'.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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This swaps the previous handling (parse all volume mounts on the
container and look for ones that might refer to named volumes)
for the new, explicit named volume lists stored per-container.
It also deprecates force-removing volumes that are in use. I
don't know how we want to handle this yet, but leaving containers
that depend on a volume that no longer exists is definitely not
correct.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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If this doesn't match, we end up not being able to access named
volumes mounted into containers, which is bad. Use the same
validation that we use for other critical paths to ensure this
one also matches.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Necessary for rewriting lock IDs as part of renumber.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Add support for podman volume and its subcommands.
The commands supported are:
podman volume create
podman volume inspect
podman volume ls
podman volume rm
podman volume prune
This is a tool to manage volumes used by podman. For now it only handle
named volumes, but eventually it will handle all volumes used by podman.
Signed-off-by: umohnani8 <umohnani@redhat.com>
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Signed-off-by: Matthew Heon <mheon@redhat.com>
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Signed-off-by: Matthew Heon <mheon@redhat.com>
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Previously, we implicitly validated runtime configuration against
what was stored in the database as part of database init. Make
this an explicit step, so we can call it after the database has
been initialized. This will allow us to retrieve paths from the
database and use them to overwrite our defaults if they differ.
Signed-off-by: Matthew Heon <mheon@redhat.com>
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When we create a Libpod database, we store a number of runtime
configuration fields in it. If we can retrieve those, we can use
them to configure the runtime to match the DB instead of inbuilt
defaults, helping to ensure that we don't error in cases where
our compiled-in defaults changed.
Signed-off-by: Matthew Heon <mheon@redhat.com>
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It's not necessary to fill in state immediately, as we'll be
overwriting it on any API call accessing it thanks to
syncContainer(). It is also causing races when we fetch it
without holding the container lock (which syncContainer() does).
As such, just don't retrieve the state on initial pull from the
database with Bolt.
Also, refactor some Linux-specific netns handling functions out
of container_internal_linux.go into boltdb_linux.go.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #1186
Approved by: rhatdan
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Include details on how namespaces interact with the
state.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
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Dependency containers must be in the same namespace, to ensure
there are never problems resolving a dependency.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
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Signed-off-by: Jhon Honce <jhonce@redhat.com>
Closes: #831
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 solves some dependency problems in the state, and makes
sense from a design standpoint.
Containers not in a pod can still depend on the namespaces of
containers joined to a pod, which we might also want to change in
the future.
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: #268
Approved by: rhatdan
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This ensures that there is only one canonical place where
containers in a pod are stored, in the state itself.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #268
Approved by: rhatdan
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Add new functions to update pods and add/remove containers from them
Use these new functions in place of manually modifying pods
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #229
Approved by: rhatdan
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #229
Approved by: rhatdan
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Also prevent containers with dependencies from being removed from
in memory states. SQLite already enforced this via FOREIGN KEY
constraints.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Closes: #220
Approved by: rhatdan
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Also, ensure we always recreate runtime spec so our net namespace
paths will be correct
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
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