6bd89ce541
- Update shortnames and vendored components - Related: RHEL-27608 Signed-off-by: Jindrich Novy <jnovy@redhat.com>
158 lines
7.0 KiB
Plaintext
158 lines
7.0 KiB
Plaintext
# This file is the configuration file for all tools
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# that use the containers/storage library. The storage.conf file
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# overrides all other storage.conf files. Container engines using the
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# container/storage library do not inherit fields from other storage.conf
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# files.
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#
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# Note: The storage.conf file overrides other storage.conf files based on this precedence:
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# /usr/containers/storage.conf
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# /etc/containers/storage.conf
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# $HOME/.config/containers/storage.conf
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# $XDG_CONFIG_HOME/containers/storage.conf (If XDG_CONFIG_HOME is set)
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# See man 5 containers-storage.conf for more information
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# The "container storage" table contains all of the server options.
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[storage]
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# Default Storage Driver, Must be set for proper operation.
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driver = "overlay"
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# Temporary storage location
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runroot = "/run/containers/storage"
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# Priority list for the storage drivers that will be tested one
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# after the other to pick the storage driver if it is not defined.
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# driver_priority = ["overlay", "btrfs"]
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# Primary Read/Write location of container storage
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# When changing the graphroot location on an SELINUX system, you must
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# ensure the labeling matches the default locations labels with the
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# following commands:
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# semanage fcontext -a -e /var/lib/containers/storage /NEWSTORAGEPATH
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# restorecon -R -v /NEWSTORAGEPATH
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graphroot = "/var/lib/containers/storage"
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# Optional alternate location of image store if a location separate from the
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# container store is required. If set, it must be different than graphroot.
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# imagestore = ""
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# Storage path for rootless users
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#
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# rootless_storage_path = "$HOME/.local/share/containers/storage"
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# Transient store mode makes all container metadata be saved in temporary storage
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# (i.e. runroot above). This is faster, but doesn't persist across reboots.
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# Additional garbage collection must also be performed at boot-time, so this
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# option should remain disabled in most configurations.
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# transient_store = true
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[storage.options]
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# Storage options to be passed to underlying storage drivers
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# AdditionalImageStores is used to pass paths to additional Read/Only image stores
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# Must be comma separated list.
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additionalimagestores = [
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]
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# Allows specification of how storage is populated when pulling images. This
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# option can speed the pulling process of images compressed with format
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# zstd:chunked. Containers/storage looks for files within images that are being
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# pulled from a container registry that were previously pulled to the host. It
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# can copy or create a hard link to the existing file when it finds them,
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# eliminating the need to pull them from the container registry. These options
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# can deduplicate pulling of content, disk storage of content and can allow the
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# kernel to use less memory when running containers.
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# containers/storage supports four keys
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# * enable_partial_images="true" | "false"
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# Tells containers/storage to look for files previously pulled in storage
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# rather then always pulling them from the container registry.
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# * use_hard_links = "false" | "true"
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# Tells containers/storage to use hard links rather then create new files in
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# the image, if an identical file already existed in storage.
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# * ostree_repos = ""
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# Tells containers/storage where an ostree repository exists that might have
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# previously pulled content which can be used when attempting to avoid
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# pulling content from the container registry
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# * convert_images = "false" | "true"
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# If set to true, containers/storage will convert images to a
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# format compatible with partial pulls in order to take advantage
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# of local deduplication and hard linking. It is an expensive
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# operation so it is not enabled by default.
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pull_options = {enable_partial_images = "true", use_hard_links = "false", ostree_repos=""}
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# Root-auto-userns-user is a user name which can be used to look up one or more UID/GID
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# ranges in the /etc/subuid and /etc/subgid file. These ranges will be partitioned
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# to containers configured to create automatically a user namespace. Containers
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# configured to automatically create a user namespace can still overlap with containers
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# having an explicit mapping set.
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# This setting is ignored when running as rootless.
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# root-auto-userns-user = "storage"
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#
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# Auto-userns-min-size is the minimum size for a user namespace created automatically.
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# auto-userns-min-size=1024
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#
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# Auto-userns-max-size is the maximum size for a user namespace created automatically.
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# auto-userns-max-size=65536
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[storage.options.overlay]
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# ignore_chown_errors can be set to allow a non privileged user running with
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# a single UID within a user namespace to run containers. The user can pull
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# and use any image even those with multiple uids. Note multiple UIDs will be
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# squashed down to the default uid in the container. These images will have no
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# separation between the users in the container. Only supported for the overlay
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# and vfs drivers.
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#ignore_chown_errors = "false"
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# Inodes is used to set a maximum inodes of the container image.
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# inodes = ""
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# Path to an helper program to use for mounting the file system instead of mounting it
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# directly.
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#mount_program = "/usr/bin/fuse-overlayfs"
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# mountopt specifies comma separated list of extra mount options
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mountopt = "nodev,metacopy=on"
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# Set to skip a PRIVATE bind mount on the storage home directory.
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# skip_mount_home = "false"
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# Set to use composefs to mount data layers with overlay.
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# use_composefs = "false"
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# Size is used to set a maximum size of the container image.
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# size = ""
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# ForceMask specifies the permissions mask that is used for new files and
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# directories.
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#
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# The values "shared" and "private" are accepted.
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# Octal permission masks are also accepted.
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#
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# "": No value specified.
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# All files/directories, get set with the permissions identified within the
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# image.
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# "private": it is equivalent to 0700.
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# All files/directories get set with 0700 permissions. The owner has rwx
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# access to the files. No other users on the system can access the files.
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# This setting could be used with networked based homedirs.
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# "shared": it is equivalent to 0755.
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# The owner has rwx access to the files and everyone else can read, access
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# and execute them. This setting is useful for sharing containers storage
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# with other users. For instance have a storage owned by root but shared
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# to rootless users as an additional store.
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# NOTE: All files within the image are made readable and executable by any
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# user on the system. Even /etc/shadow within your image is now readable by
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# any user.
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#
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# OCTAL: Users can experiment with other OCTAL Permissions.
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#
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# Note: The force_mask Flag is an experimental feature, it could change in the
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# future. When "force_mask" is set the original permission mask is stored in
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# the "user.containers.override_stat" xattr and the "mount_program" option must
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# be specified. Mount programs like "/usr/bin/fuse-overlayfs" present the
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# extended attribute permissions to processes within containers rather than the
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# "force_mask" permissions.
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#
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# force_mask = ""
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