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Pim Kunis 2024-09-07 12:35:02 +02:00
commit cdec5a64aa
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149
modules/longhorn-volume.nix Normal file
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{ lib, config, ... }:
let
longhornVolumeOpts = { name, ... }: {
options = {
storage = lib.mkOption {
type = lib.types.str;
};
namespace = lib.mkOption {
type = lib.types.str;
default = "default";
};
};
};
longhornPVOpts = { name, ... }: {
options = {
storage = lib.mkOption {
type = lib.types.str;
};
};
};
longhornPVCOpts = { name, ... }: {
options = {
volumeName = lib.mkOption {
type = lib.types.str;
default = name;
};
# TODO: ideally we take this from the longhornPV so we don't duplicate this information.
storage = lib.mkOption {
type = lib.types.str;
};
};
};
in
{
options = {
lab.longhornVolumes = lib.mkOption {
type = with lib.types; attrsOf (submodule longhornVolumeOpts);
default = { };
};
lab.longhorn = {
persistentVolume = lib.mkOption {
type = with lib.types; attrsOf (submodule longhornPVOpts);
default = { };
};
persistentVolumeClaim = lib.mkOption {
type = with lib.types; attrsOf (submodule longhornPVCOpts);
default = { };
};
};
};
config = {
kubernetes.resources = {
persistentVolumes = lib.mergeAttrs
(builtins.mapAttrs
(name: longhornVolume: {
spec = {
accessModes = [ "ReadWriteOnce" ];
capacity.storage = longhornVolume.storage;
persistentVolumeReclaimPolicy = "Delete";
volumeMode = "Filesystem";
claimRef = {
inherit name;
namespace = longhornVolume.namespace;
};
csi = {
driver = "driver.longhorn.io";
fsType = "ext4";
volumeHandle = name;
volumeAttributes = {
dataLocality = "disabled";
fromBackup = "";
fsType = "ext4";
numberOfReplicas = "2";
staleReplicaTimeout = "30";
unmapMarkSnapChainRemoved = "ignored";
recurringJobSelector = lib.generators.toYAML { } [{
name = "backup-nfs";
isGroup = false;
}];
};
};
};
})
config.lab.longhornVolumes)
(builtins.mapAttrs
(name: longhornPV: {
spec = {
accessModes = [ "ReadWriteOnce" ];
capacity.storage = longhornPV.storage;
persistentVolumeReclaimPolicy = "Delete";
volumeMode = "Filesystem";
csi = {
driver = "driver.longhorn.io";
fsType = "ext4";
volumeHandle = name;
volumeAttributes = {
dataLocality = "disabled";
fromBackup = "";
fsType = "ext4";
numberOfReplicas = "2";
staleReplicaTimeout = "30";
unmapMarkSnapChainRemoved = "ignored";
recurringJobSelector = lib.generators.toYAML { } [{
name = "backup-nfs";
isGroup = false;
}];
};
};
};
})
config.lab.longhorn.persistentVolume);
persistentVolumeClaims = lib.mergeAttrs
(builtins.mapAttrs
(name: longhornVolume: {
spec = {
accessModes = [ "ReadWriteOnce" ];
resources.requests.storage = longhornVolume.storage;
storageClassName = "";
};
})
config.lab.longhornVolumes)
(builtins.mapAttrs
(name: longhornPVC: {
spec = {
accessModes = [ "ReadWriteOnce" ];
resources.requests.storage = longhornPVC.storage;
storageClassName = "";
volumeName = longhornPVC.volumeName;
};
})
config.lab.longhorn.persistentVolumeClaim);
};
};
}