mirror of
https://github.com/nix-community/disko.git
synced 2024-08-15 09:20:35 +03:00
Merge pull request #689 from nix-community/incremental-zfs
zfs: when dataset already exist, only update dataset options
This commit is contained in:
commit
e8ef4773dd
@ -59,10 +59,38 @@
|
|||||||
# important to prevent accidental shadowing of mount points
|
# important to prevent accidental shadowing of mount points
|
||||||
# since (create order != mount order)
|
# since (create order != mount order)
|
||||||
# -p creates parents automatically
|
# -p creates parents automatically
|
||||||
default = ''
|
default = let
|
||||||
|
createOptions = (lib.optionalAttrs (config.mountpoint != null) { mountpoint = config.mountpoint; }) // config.options;
|
||||||
|
# All options defined as PROP_ONETIME or PROP_ONETIME_DEFAULT in https://github.com/openzfs/zfs/blob/master/module/zcommon/zfs_prop.c
|
||||||
|
onetimeProperties = [
|
||||||
|
"encryption"
|
||||||
|
"casesensitivity"
|
||||||
|
"utf8only"
|
||||||
|
"normalization"
|
||||||
|
"volblocksize"
|
||||||
|
"pbkdf2iters"
|
||||||
|
"pbkdf2salt"
|
||||||
|
"keyformat"
|
||||||
|
];
|
||||||
|
updateOptions = builtins.removeAttrs config.options onetimeProperties;
|
||||||
|
mountpoint = config.options.mountpoint or config.mountpoint;
|
||||||
|
in ''
|
||||||
if ! zfs get type ${config._name} >/dev/null 2>&1; then
|
if ! zfs get type ${config._name} >/dev/null 2>&1; then
|
||||||
zfs create -up ${config._name} \
|
zfs create -up ${config._name} \
|
||||||
${lib.concatStringsSep " " (lib.mapAttrsToList (n: v: "-o ${n}=${v}") config.options)}
|
${lib.concatStringsSep " " (lib.mapAttrsToList (n: v: "-o ${n}=${v}") (createOptions))}
|
||||||
|
${lib.optionalString (updateOptions != {}) ''
|
||||||
|
else
|
||||||
|
zfs set ${lib.concatStringsSep " " (lib.mapAttrsToList (n: v: "${n}=${v}") updateOptions)} ${config._name}
|
||||||
|
${lib.optionalString (mountpoint != null) ''
|
||||||
|
# zfs will try unmount the dataset to change the mountpoint
|
||||||
|
# but this might fail if the dataset is in use
|
||||||
|
if ! zfs set mountpoint=${mountpoint} ${config._name}; then
|
||||||
|
echo "Failed to set mountpoint to '${mountpoint}' for ${config._name}." >&2
|
||||||
|
echo "You may need to run when the pool is not mounted i.e. in a recovery system:" >&2
|
||||||
|
echo " zfs set mountpoint=${mountpoint} ${config._name}" >&2
|
||||||
|
fi
|
||||||
|
''}
|
||||||
|
''}
|
||||||
fi
|
fi
|
||||||
'';
|
'';
|
||||||
} // { readOnly = false; };
|
} // { readOnly = false; };
|
||||||
|
Loading…
Reference in New Issue
Block a user