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zap: destroy all mdadm devices if mdadm is in PATH

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lassulus 2022-12-08 21:03:11 +01:00
parent e0ce5fb75f
commit 66add2cd9e
2 changed files with 8 additions and 5 deletions
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2
README.md
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@ -114,7 +114,7 @@ $ nix-channel --update
``` nix ``` nix
{ {
imports = [ "${builtins.fetchTarball "https://github.com/nix-community/disko/archive/main.tar.gz"}/modules/disko.nix" ]; imports = [ "${builtins.fetchTarball "https://github.com/nix-community/disko/archive/master.tar.gz"}/module.nix" ];
} }
``` ```

3
types.nix
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@ -147,6 +147,7 @@ rec {
# ensures that "/" is processed before "/foo" etc. # ensures that "/" is processed before "/foo" etc.
${concatStrings (attrValues fsMounts)} ${concatStrings (attrValues fsMounts)}
''; '';
/* takes a disko device specification and returns a string which unmounts, destroys all disks and then runs create and mount /* takes a disko device specification and returns a string which unmounts, destroys all disks and then runs create and mount
zapCreateMount :: types.devices -> str zapCreateMount :: types.devices -> str
@ -164,10 +165,12 @@ rec {
fi fi
# stop all existing raids # stop all existing raids
if command -v mdadm; then
for r in /dev/md/* /dev/md[0-9]*; do for r in /dev/md/* /dev/md[0-9]*; do
# might fail if the device was already closed in the loop # might fail if the device was already closed in the loop
mdadm --stop "$r" || true mdadm --stop "$r" || true
done done
fi
echo 'creating partitions...' echo 'creating partitions...'
${diskoLib.create devices} ${diskoLib.create devices}